list of used milling and crushing equipments

used machines in north america | wirtgen group

Are you looking for a second-hand, field-proven WIRTGEN GROUP machine or system? As a specialist for used machines, we offer a wide selection choose from the worlds largest selection of used WIRTGEN GROUP road milling machines, soil stabilisers, cold recyclers, slipform pavers, surface miners, road pavers, compactors, tandem rollers, crushing and screening plants

crusher equipment list - crusher machine

The building aggregates equipment of GM includes not only a series of single equipment of coarse crushing, intermediate and fine crushing, sand making and shaping, but also a batch of standardized design products of production line on the basis of many years of experience. Relying on these excellent products, we can satisfy all your demands, including customized and specialized products, and products which can be installed and put into use rapidly.

The Micro grinding mill, Raymond Mill, Vertical mill, and the LM, LUM Vertical Mill cover all requirements of crude powder milling, fine powder milling and ultrafine powder milling in the industrial milling field. Production of free combination from 0 to 2500 meshes can be realized. No matter which industry you are in, chemistry, energy, construction material or metallurgy field, GM will always meet all your demands.

used mill for sale

Milling equipment uses blades, hammers, or other methods to turn large particles into a finer material, usually powders. The size of the particle depends on the speed and type of the rotor, and the screen hole size. This equipment is commonly used in the food and pharmaceutical industries.

Used Quadro Mill with: Output: up to 16,000 pounds per hour Capabilities: Sieving Mixing Dispersion Size reduction Screen diameter: 24 inches Includes impeller Sanitary spindle...

Used Fryma MZ-50 High Shear Vertical Colloid Mill with: Used for wet grinding of liquid and high viscous suspensions Output: 120 300 kilograms per hour 3 horsepower motor Cart mounted ...

Used Fitzpatrick Fitzmill with: Gravity pan fed Two screens: Mesh: 0.007 inch openings Perforated: .040 inch openings 5 horsepower motor Knife assembly: fixed 16 hardened...

Used Fluid Air 003 Hammer Mill with: Comminuting mill Feed hopper and vibratory feeder Capable of handling both wet or dry prodcuts Can reduce up to 40 microns, may require change parts Blade...

Used Fitzmill DAS06 Hammermill Comminutor with: Stainless steel contact parts High feed throat Blade chamber dimensions: 11 inches long x 6 inches wide (16) 1 inch wide x 3.75 inches long fixed,...

Used Prater G5HFS Hammer Mill with: 5 horsepower motor 36 carbon steel hammers Hammer pattern: (3) rows of 12 hammers Hammer dimensions: 2 inches wide x 3/16" thick Screen area: approximately...

Used Fryma MK-180R Corundum Stone Mill with: Used for the dispersion and wet milling of liquid, viscous, and pasty products Sample products include: mustard, sesame, pet food, humus, nut pastes, chocolate,...

Used Jacobson Hammermill with: 20 horsepower motor 3 different screen sizes Infeed dimensions: 9 inches x 9 inches Outfeed dimensions: 8 inches x 9 inches Infeed height: 84 inches Outfeed...

Used Jacobson 160-FF Hammermill with: Infeed diameters: 6 inches and 5.75 inches Hopper and auger feed product into milling chamber Hopper dimensions: 15 inches x 12 inches x 12 inches deep 1 horsepower...

Used Bliss E-1906 Hammer Mill with: Heavy duty Mild steel construction 576 square inch screen area 15 horsepower motor Octagonal housing Knife/blunt swing blades Previously used for coffee...

Used Entoleter Series 27 Centrifugal Impact Mill with: Breaks up and eliminates small nodules and agglomerates which may form during mixing process 25 horsepower motor Approximate output: 12 metric...

Used Bauermeister Mill with: Fine grinding mill Includes product hopper Driven by 10 horsepower, explosion proof motor Stainless steel construction Mounted on stainless steel portable base with...

Used Sprout Pellet Mill with: Capacity: 1 ton per hour Mixing feed bin with Gaylord dumper: Dimensions: 60 x 72 x 48 inches Discharge: 6 inches diameter Feed screw with VFD drive (3) Internal...

china feed mill equipment, feed mill equipment manufacturers, suppliers, price

China manufacturing industries are full of strong and consistent exporters. We are here to bring together China factories that supply manufacturing systems and machinery that are used by processing industries including but not limited to: feed pellet machine, pellet machine, feed machine. Here we are going to show you some of the process equipments for sale that featured by our reliable suppliers and manufacturers, such as Feed Mill Equipment. We will do everything we can just to keep every buyer updated with this highly competitive industry & factory and its latest trends. Whether you are for group or individual sourcing, we will provide you with the latest technology and the comprehensive data of Chinese suppliers like Feed Mill Equipment factory list to enhance your sourcing performance in the business line of manufacturing & processing machinery.

equipments for mining industry trommel

For each project scheme design, we will use professional knowledge to help you, carefully listen to your demands, respect your opinions, and use our professional teams and exert our greatest efforts to create a more suitable project scheme for you and realize the project investment value and profit more quickly.

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Trommel Screen 2020-5-23A Flipscreen is a portion of the cost of a Trommel screen. Not to mention much lower operating costs, maintenance, etc. Furthermore, the Flipscreen can screen just as much as a trommel, which means you pay it off sooner, and then are

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rock crushers

The size requirement of the primary rock crusher is a function of grizzly openings, ore chute configuration, required throughput, ore moisture, and other factors. Usually, primary crushers are sized by the ability to accept the largest expected ore fragment. Jaw crushers are usually preferred as primary crushers in small installations due to the inherent mechanical simplicity and ease of operation of these machines. Additionally, jaw crushers wearing parts are relatively uncomplicated castings and tend to cost less per unit weight of metal than more complicated gyratory crusher castings. The primary crusher must be designed so that adequate surge capacity is present beneath the crusher. An ore stockpile after primary crushing is desirable but is not always possible to include in a compact design.

Many times the single heaviest equipment item in the entire plant is the primary crusher mainframe. The ability to transport the crusher main frame sometimes limits crusher size, particularly in remote locations having limited accessibility.

In a smaller installation, the crushing plant should be designed with the minimum number of required equipment items. Usually, a crushing plant that can process 1000s of metric tons per operating day will consist of a single primary crusher, a single screen, a single secondary cone crusher, and associated conveyor belts. The discharge from both primary and secondary crushers is directed to the screen. Screen oversize serves as feed to the secondary crusher while screen undersize is the finished product. For throughputs of 500 to 1,000 metric tons per operating day (usually 2 shifts), a closed circuit tertiary cone crusher is usually added to the crushing circuit outlined above. This approach, with the addition of a duplicate screen associated with the tertiary cone crusher, has proven to be effective even on ores having relatively high moisture contents. Provided screen decks are correctly selected, the moist fine material in the incoming ore tends to be removed in the screening stages and therefore does not enter into subsequent crushing units.

All crusher cavities and major ore transfer points should be equipped with a jib-type crane or hydraulic rock tongs to facilitate the removal of chokes. In addition, secondary crushers must be protected from tramp iron by suspended magnets or magnetic head pulleys. The location of these magnets should be such that recycling of magnetic material back into the system is not possible.

Crushing plants for the tonnages indicated may be considered to be standardized. It is not prudent to spend money researching crusher abrasion indices or determining operating kilowatt consumptions for the required particle size reduction in a proposed small crushing plant. Crushing installations usually are operated to produce the required mill tonnage at a specified size distribution under conditions of varying ore hardness by the variation of the number of operating hours per day. It is normal practice to generously size a small crushing plant so that the daily design crushing tonnage can be produced in one, or at most two, operating shifts per working day.

particle size reduction equipment - size reduction machines | stedman machine company

Different types of particle size reduction equipment are available and each has its own method of reduction. The right size reduction machine for the task is the one that can add energy most efficiently for the application.

From the beginning of time, humans have found it necessary to make little pieces out of big ones stone, ore, ice, grain and more. It was a slow, laborious process for many centuries. Then in the Stone Age came the first breakthrough we call it a hammer and it worked better than ever. It worked so well, in fact, that it's still one of the most widely used tools in the world.

Today, there are many different size reduction machines available to make little pieces out of big ones. Particle size reduction equipment includes primary impact crushers and secondary crushers as well as milling machines - cage mills, hammer mills, pulverizers and grinders.

Stedman manufactures a full line of particle size reduction equipment primary impactors, secondary crushers, tertiary impactors, plus cage mill pulverizers,hammer mill crushers and lump breakers for the aggregate, mining and industrial markets. Materials processed fall into broad categories including abrasive, non-abrasive, wet or dry, sticky and friable.Stedman's experience evaluating these factors helps target the correct size reduction equipment for each unique project.

As you look for particle size reduction equipment, if you have the answers to the following basic questions, a good, experienced supplier can help you maneuver through designing the best equipment for your application. Begin by answering these five questions:

The Stedman Testing and Toll Processing Facility is the place to test your material in our full size equipment. If it can be crushed, ground, pulverized or mixed, chances are weve done it. We have more than 10,000 test reports to help get you to the best solution quickly.To learn more about what to expect from testing, read our article that ran in POWDER BULK ENGINEERING magazine.

Why Stedman? Delivering equipment and service you deserve For nearly two centuries, Stedman Machine Company has produced quality, reliable and durable size reduction and industrial crushing equipment. Stedman has expert field service and installation technicians ready to assist with all maintenance and equipment commissioning needs. Unsurpassed industry experience operating since 1834 State-of-the-art equipment testing facilities Dedicated, professional staff Parts and service available 24 hours a day

For nearly two centuries, Stedman Machine Company has produced quality, reliable and durable size reduction and industrial crushing equipment. Stedman has expert field service and installation technicians ready to assist with all maintenance and equipment commissioning needs.

Impact size reduction incorporates striking to pulverize material. The primary types of impact crushers include horizontal shaft impactors (HSI), cage mill pulverizers, and vertical shaft impactors (VSI).

brewers' wish list for brewery equipment | morebeer

By Rosannah Hayden The holiday season typically finds home brewers and microbrewers preparing their favorite seasonal specialty beers and, as winter waxes on, reflecting on the past years brewing successes and failures. Brewers wish lists for brewery equipment reveal commonalities and variety in small-scale brewing approaches. True to the age-old pattern of wintertime introspection, the closing months of the year provide an ideal time to take stock of ones brewing operation and to make plans for system improvements and modification for the future. Although countless ways exist for improving any brewing operation, if you had the financial freedom to choose one piece of equipment that would help you up-scale your brewing setup, what would it be? BrewingTechniques posed this question to a number of its readers. From the responses of a diverse sampling of our audience (brewers of 50500 gal/year on up to professional brewers producing 1000 bbl/year), we compiled a wish list, so to speak, that reveals the objects of brewers both fantastic and practical. Brewpub owner Bill Owens (Buffalo Bills, Hayward, California) starts his list with a complete 50bbl brewhouse with a bottling and kegging system. It would house a printing press and brewery and be located at the end of a road with peacocks wandering on the lawn. Friends and customers sit around picnic tables drinking imperial stout while people play bocce ball in the background. On the other hand, if Ralph Olivieri, a home brewer from Seekonk, Massachusetts, were up-scaling his brewing operation, his moneys-no-object acquisition would be a complete brewing kitchen, one with a sink, stove, scales, and a chiller for lagering. Despite their differences, these imagined setups actually have more in common than they might first appear. Although the wants and needs of a 75 gal/year home brewer differ common considerations such as space limitations, equipment quality, planning, and the need for research before purchasing remain relevant to all levels of beer production. When up-scaling, a timely investment in informationgathering and hardware investigation will pay off in spades, making both the beer and the brewing process more enjoyable. Kettles That Fit the Bill Not surprisingly, one of the commonly mentioned items on brewers wish lists was a larger brew kettle. As home brewers become increasingly proficient and begin to act on the inevitable desire to experiment with new recipes and styles, that 16-qt boiling kettle purchased at the beginning of the brewing career suddenly starts to look small. Enter, stage left, one of the universal laws of brewing, applicable to operations of all sizes: production capacity is limited primarily by the size of the brew kettle. Although it is easy to add another carboy or fermenting vessel to the existing system to accommodate larger batches, it is the brew kettle capacity that determines a systems production capacity. As Don Gortemiller of Pacific Coast Brewing Company in Oakland, California, explains, The bottom line is, bigger is better. Retrofitting and adding equipment is an expensive process, so its best to start with an oversize brew kettle and then worry about fermentors later. If youre short on money, its wisest to invest in a large brew kettle and mash tun to allow for future expansion. Although Gortemillers comments were made in the context of increased capacity at Pacific Coast, which produces 500600 bbl/year, they are equally relevant to brewers working on a smaller scale. Home brewers find that a small brew kettle confines them to small batches. Before purchasing a kettle, consider both present needs and future possibilities and buy accordingly. In terms of quality and longevity, most experienced brewers consider stainless steel kettles (Figure 1) superior to ceramic-coated kettles. Ceramic pots are serviceable and relatively inexpensive, but the enamel coating on the inside of ceramic kettles can eventually chip or crack. Once the enamel coating chips, the underlying metal (iron) contacts the wort, which can produce off-flavors in the beer. Because of their susceptibility to chipping, it is important to reserve ceramic kettles for brewing only. Although more spendy, stainless steel kettles are more versatile and can do double service for hefty stews as well as successful brews. And although the ceramic kettles can be purchased for as little as one-fourth the cost of an all-stainless one, you get what you pay for. A 15-gal, restaurant-grade, stainless steel kettle may require an initial outlay of $ 200, but after years of use it will likely be an heirloom you can bequeath to your grandchildren; if they grow up to be brewers, theyll no doubt appreciate your farsightedness. Restaurant chefs and experienced brewers know that a quality, thick-bottomed stainless steel pot retains and distributes heat most effectively and that the benefits of quality cookware far outweigh the initial costs. Look for a kettle constructed of at least 18-gauge steel with quality-welded or riveted handles and a well-fitted lid. Kettles of varying sizes can be obtained through mail-order catalogs, homebrew supply stores, and restaurant supply houses. Click here to consider upgrading to a brand new BrewBuilt Brew Kettle today! Propane Burners Home brewers, especially those using larger brew kettles, are well familiar with the trials and tribulations of brewing on the stove; uneven heating, difficult cleanup from boil-overs, interminably long times to boil, and even spousal pressure are among the multiple forces that spark many brewers desires for a propane burner. One of the more popular items on our readers wish lists, a portable propane- or natural gas-fueled stove provides heating qualities that reduce preparation time and increase the likelihood of success. Paddy Giffin, a home brewer and employee at The Beverage People (Santa Rosa, California), currently produces 150 gal/year, of which about 75% is ale and about 25% lager. When asked about his greatest wish for brewing equipment, he described a three-tiered system with a 10-gal capacity to facilitate experimentation with yeast cultures (separating the batch into separate vessels for pitching with different yeasts). Short of a completely new system, however, a propane burner is highest on his list of equipment to be purchased when economically feasible. Propane burners are available from a number of manufacturers for reasonable prices, and its a purchase that can be easily rationalized in light of the burners durability and time-saving properties. Propane burners range in price from around $ 35 for the cheaper models to $ 110 for high-end versions. Outputs range from 80,000 to 2000,000 Btus. Generally speaking, the higher the Btu rating, the higher the heat output and the shorter the time to boil. The Beer Cooker a 200,000-Btu model with a swingin-place baffle, adjustable brass needle valve, regulator, hose, and adapter is available by mail order through Brewers Resource (Woodland Hills, California) for under $ 50, and for most home brewers this model is entirely sufficient. Designed for outdoor use, the burner (also available in a natural-gas version) will bring 10 gal of liquid to boil in ~20 min. Click here to browse our selection of portable standing burners! Whats at the top of your wish list? Bill Owens, brewpub owner: A 50-bbl brewhouse with a bottling and kegging system. It would house a printing press and brewery and be located at the end of a road with peacocks wandering on the lawn. Friends and customers sit around picnic tables drinking imperial stout while people play bocce ball in the background dressed in white, of course. Ralph Olivieri, home brewer: A complete brewing kitchen, one with a sink, stove, scales, and a chiller for lagering. Dale Dean, home brewer: A custom-made, -bbl, stainless steel, gravity-feed brewing system with a propane burner. Barring this, hed like either a top-loader freezer (for easier lagering) with an internal thermostat, or else a counterflow wort chiller. Don Barkley, microbrewery master brewer: Coincidentally, were in the process of upscaling our brewery. Were adding fermentation vessels to increase our batch production for 22 bbl to 50 bbl. Well continue producing our bottle-conditioned ale, but the increased fermentation capacity will allow us to expand into other kinds of beer, such as lagers. Paddy Giffin, home brewer: A three-tiered system with a 10-gal capacity to facilitate increased experimentation with yeast cultures. Teri Fahrendorf, brewpub brewmaster: A mash tun with a sloping floor so that leftover water and grain wont pool on the bottom of the tun after cleaning. Our current mash tun has a flat floor with two drain ports on the bottom of the tank. The weight of the mash causes the tun floor to bow slightly, and residual water and grain bits tend to remain in this concave area between the drains. Its very hard to get the unit completely clean, and any remaining grains can sour the next batch, so a slope-floor mash tun would be a real improvement. For the most part, differences in price between various models are based on differences in construction. Cheaper models can be noisy, emitting a loud, sputtering hiss from the burner. The metal on the less-expensive models tends to be lighter and thinner, which affects stability and durability. The burners are smaller on such models, and the plate design is usually simpler as well. Even models that outwardly appear sturdy, such as cast-iron burners, can be problematic. One brewer noted that a cheap cast-iron burner that he used developed noticeable cracks in the iron, presumably due to lack of resilience to high temperatures. Appearances can deceive. The variables in burner design also influence the rate of boil and the evenness of heat distribution, so its important to remember the desirability of a well-researched initial investment. Another important consideration to make before buying a burner is the design of the base. Propane burners generally are available in three-legged and four-legged models; more legs, however, does not necessarily mean more stability. On a perfectly even surface, four legs are better than three, but on an uneven surface, a three-legged base is less likely to tip over. Because most outdoor surfaces are less than perfectly even and level, a three-legged base would, in many cases, be the most stable. Nevertheless, the most important aspect of a base is its width and center of gravity. Keep in mind that if you have a 10-gal wort-filled kettle resting on the burner, you are balancing over 80 lb of scalding hot trouble. A tippy, wobbly burner can lead to disaster, so look for a model with both a low center of gravity and a wide leg base. Kegging and Refrigeration Systems Alison Calandra, a beer and wine retailer and avid home brewer in Eugene, Oregon, aspires to someday get out of bottling and into kegging her beer. She brews about 250 gal/year, and the time-saving aspects of a keg system (only one container to wash, sanitize, fill, and seal), and its versatility (keg dispensers can do double duty as lagering or conditioning tanks) are among her reasons for putting a draft beer system at the top of her wish list. I save all the Grolsch bottles that my customers return for deposit, and I use those for easier bottling, but Id really like to have a keg system. Not everyone is as lucky as Calandra, whose business affords her access to a large cooler. Although many retail home-brew suppliers sell complete keg systems and system components, refrigeration units are sold separately. The exception to this would be an integral refrigeration-cabinet draft system, which can sell for over $ 1000. One such unit is the BeverageAir, a complete keg-and-cabinet set (24 in. deep, 37 in. high), which includes a carbon dioxide tank and keg. The set sells for about $ 1100 and is available through many homebrew supply stores. Nevertheless, with some ingenuity and patience, a relatively inexpensive system can be assembled for about S350. A complete draft system consisting of a new 5-gal stainless steel keg, carbon dioxide tank, dual-gauge gas regulator, and the necessary hoses and fittings can be purchased for about $ 230 through brewing suppliers, and a used refrigerator can cost as little as $ 30, depending on where you buy it. Classified ads are a good place to find an inexpensive unit that will suit your system needs. Jon Hoyt, a home brewer from Oakland, California, designed and assembled his draft system piece by piece. Hoyt shows what you can make with under $ 200 and only a modicum of mechanical knowledge and tools: a complete, fully functional draft beer/refrigeration unit. I bought a used 5-ft-tall fridge for $ 35 and it works great. Its got a freezer unit where we store hops to keep them fresh. I got a CO2 dispenser at a fire extinguisher store for $ 15 and had it filled, which cost another $ 10. I picked up a used 5-gal keg for 50 bucks, then went to a restaurant supply store, where I bought a regulator, pressure hose, fittings, a tap, and a shank, all for around $ 85. Next, I drilled a hole in both the door and the side wall of the refrigerator and attached the tap and the shank to the door of the unit. The CO2 tank and regulator is set up next to the fridge, and a hose passes from the tank through the side hole and into the keg inside. We use a Styrofoam tray (the kind that supermarket meat is packaged in) that we saved to catch the drips from the tap. The whole system works great, although the freezer ices up a little. Wort Chillers Dale Dean of Green Bay, Wisconsin, responded to our queries about his dream acquisition by describing a complete, custom-made, -bbl, stainless steel, gravity-feed brewing system with a propane burner. Barring this, hed like either a top-loader freezer for easier lagering with an internal thermostat [he currently uses a refrigerator with digital temperature control], or else a counterflow wort chiller. Dean knows that reducing the time between chilling the wort and pitching the yeast minimizes the chance of a bacterial infection and ensures a good cold break. Dean currently uses an open immersion chiller, but hed like to switch to a closed system to decrease the possibility of infection. Although immersion wort chillers can be placed in boiling water or directly into the boiling wort to sterilize them before use, Deans concerns about introducing foreign agents into his wort are well understood and well founded. Anything a brewer can do to lower the possibility of infection should be done whenever possible, and a counterflow system is one way of reducing the risks. Whereas an immersion chiller cools the wort by flowing cold water through a copper coil immersed directly into the wort, counter-flow chillers work by running hot wort through a narrowbore tube from one vessel to another while cold water runs in the opposite direction through a widerbore tube that jackets the inner wort-filled tube. Both immersion and counterflow chillers require careful and complete sanitizing immediately before use. Immersion chillers have more surface area to sanitize and tend to chill wort somewhat unevenly (even cooling requires swishing the immersion coil around inside the vessel), and these limitations make a counterflow system an attractive item. Counterflow chillers reduce the worts exposure to airborne contaminants, and some models can chill wort in a very short time. One model that stands out in terms of quality and design is the Stoelting Counter-Flow Wort Chiller (Stoelting, Inc., Kiel, Wisconsin). Using a flow rate of 0.33 gal/min., this model reportedly can chill 5 gal of wort from 210 F (99 C) to 65 F (18 C) in 15 min. Most immersion chillers take about 3545 min, and achieving even cooling requires swishing the immersion coil around inside the wort vessel. The Stoelting chiller is constructed of a stainless steel wort line wrapped with a finned copper tube (Figure 2); the stainless steel tube provides a sanitary environment for the wort, and the highly conductive finned copper sheath is designed to maximize heat transfer. The wort tube is centered inside a -in. cold-water copper line. The chiller is 8 in. high and 11 in. wide, and an optional stainless steel housing unit is also available. One of the more innovative and compact chiller designs, the B.I.T.O.A. wort-chiller (Brewers Warehouse, Seattle, Washington), is an interesting counterflow chiller that, according to the manufacturers specifications, can cool 5 gal of wort from 212 F(100 C) to 70 F(21 C) in 1215 min, using 65 F (18 C) tap water. The wort siphons through a coiled copper tube housed inside a PVC canister mounted on a stand. The unit is 15 in. long and 4 in. wide. Space often being a dear commodity for brewers, this chiller offers an efficient, moderately priced alternative to immersion chillers. To browse our selection of homebrew wort chillers, click here! Exemplary Innovation One reader, Randall Boyd of Modesto, California, constructed a homemade brewing system that is a shining example of ingenuity and resourcefulness. Like almost every brewer, however, he still harbors unrequited equipment desires. First, lets look at his present system. In addition to teaching all-grain brewing classes at his local home-brew supply store, Boyd regularly brews 10-gal batches in his homemade, three-vessel, gravity-feed system. After acquiring two inexpensive Budweiser kegs ($15 apiece, used) from a retailer and a friend, and one keg for which he traded a batch of homebrew, he proceeded to enlist the help of a machinist friend, who cut the tops off two of the kegs with an acetylene torch. His buddy wasnt around when he acquired the third keg, and as Boyd recalls, I used a saber saw to cut the top off of the keg because I wanted to use it right then; I wore out a few blades in the process, but it worked! Boyd then purchased three ball-type spigots at a local hardware store ($15 apiece) and had his friend weld a threaded pipe onto the faucets and then welded these onto the tanks. Next, they modified a perforated stainless steel screen (salvaged from used cannery equipment) into a false bottom for the mash kettle to round out his all-grain brewing system. The next step involved building a series of platforms for his gravity-feed system. The sparge water kettle sits on a 7-ft platform, the mash tun at 5 ft, and the boiling vessel at 2 ft off the ground, from which the wort can be fed into a fermenting vessel. Next, he built a 4 X 4 superinsulated room. I used 2-in. foam insulation on the walls, floor, and ceiling and placed an air conditioner inside. The temperature is maintained at 6570 F by a remotecontrolled thermostat that plugs into a wall outlet. This system allows me to make ales in the summertime without letting high temperatures make the ale too freaky. Cornelius kegs, kept chilled in a converted fridge purchased from a friend, round out his system. Boyds setup shows what can be done for a nominal price (less than $ 100), with a little motivation and know-how. Of course, it helps to have friends with tools, mechanical ability, and similar interests in brewing. Grain Mills For Boyd, the only gaps in his system exist in the stages directly before and after brewing. He wants to someday add a grain mill and a filter to complete his setup. Grains age and lose flavor rapidly when exposed to air; crushing the malt just before brewing gives a fresh, robust grain flavor unavailable in precrushed malt. Grain mills are available in a range of styles, sizes, and prices. The tin-plated cast iron Corona mill (Landers Y CIA., S.A., Medellin, Columbia) is a durable, serviceable, inexpensive mill (sold in many homebrew supply shops for around $ 40). Flat metal plates supply the grinding action, and a tall hopper holds over 1 lb of grain. The Corona can be motorized by attaching a drill adapter bolt, which makes the mill suitable for preparing large quantities of grain for mashing. A nicely constructed basic mill, the Corona is ideal for budget-bound brewers looking for freshly ground grains. Brewers being the innovative, tinkering types that they are, its no surprise that modified and improved grain mill designs are available in many retail outlets. One such revamped model is the PhilMill (Listermann Mfg. Co., Norwood, Ohio), available through homebrew suppliers for $ 70 $ 80. The PhilMill, designed by home brewer Phil Listermann, is a very compact, hand-cranked single roll mill that clamps onto a table or bench (it can be easily motorized in much the same way as the Corona). The grain, husks intact and with minimal flour, discharges over the edge of the table and into the brewers bucket. The brewer feeds the hopper which, consists of a plastic 2L soda bottle (larger hoppers can be attached for high-volume grinds). The PhilMill is a distinctive, moderately priced mill of relatively lightweight and compact construction. Another type of grain mill suitable for home brewing is the roller-style mill. One such model, the MaltMill (Jack Schmidling Productions, Chicago, Illinois), consists of a large plastic hopper, a hand crank, and two 10-in. counter-rotating rollers, which crush the grain while doing relatively little damage to the husk. The MaltMill fits on top of a standard 5-gal plastic bucket, into which the grain falls. The width of the rollers allows a large volume of grain to be crushed at one time. Priced at around $100, this mill offers brewers a quality mill at a quality price. When it comes to mills, each brewers space limitations, personal taste, brewery setup, and economics will guide the choice of a grain mill. Regardless of the brand of mill chosen, the satisfaction of enhanced grain flavor and freshness make this item a worthwhile purchase. Click here to browse our best-selling grain mills for homebrewers! Filters Filters are useful for removing chill haze and particulate matter from finished beer. Whether a microbrewery uses a diatomaceous earth filter or a plate-and-frame sheet filter, the main purpose of filtering is to make the beer yeast-free and to remove the proteins that cause chill haze. Filtering, however, is a complex and sometimes difficult process, especially if sterile beer is desired. Filtering out bacteria, for instance, requires a 0.2-m filter; besides taking a long time, using such a fine filter will remove some of the large flavor molecules, undoubtedly altering the body and character of the beer. Filtering for yeast, on the other hand, requires a coarser filter that allows more flavor and texture to remain in the beer. The question, therefore, is What do I want to filter out, and what type and size of filter suits that purpose? Striving for brewing excellence: Expert advice on system improvements Would that all home brewers and microbrewers had Michael Lewiss good fortune. Through his line of work, Lewis, brewer and brewing sciences professor at the University of California, Davis, has access to all the precision brewing equipment he requires. When questioned about his equipment desires, Lewis offered this unselfish request: My wish, or what I would like to see, is increased attention to quality control on the part of home brewers and microbrewers. Routine quality control methodologies and equipment are sorely lacking throughout the trade, and product consistency suffers as a result. Lewis points out that such simple pieces of equipment as temperature control devices, a pressure cooker and wire loop for sterilizing purposes, and quality hydrometers are often overlooked or underused by novices and experienced brewers alike. According to Lewis, the lack of concern for data and precision isnt limited to home brewers. Brewpubs and home brewers dont maintain records to the extent they could. Calculating and recording the beers gravity, foam, color, pH, and so forth is relatively simple and should be a regular part of the brewing process. Lewiss comments emphasize the importance of consistency in brewing; just as following a recipe and set procedure facilitates a repeatable result, the objective data afforded by recordkeeping helps brewers compare and improve their beers over time. For home brewers interested in precision brewing methods, Lewis offers several recommendations. Useful tools for upgrading include a programmable temperature control device for maintaining proper mash temperatures; a counterflow wort chiller and large stainless steel or copper kettles. My advice to home brewers is for them to get out of fermenting in plastic buckets and into glass carboys. Although plastic is a good, cheap way to get started, if you find that you enjoy brewing, you should try to progressively upgrade your system and equipment. Try to get into draft; dont bottle unless you have to. Although many people associate brewing system improvements with prohibitively expensive equipment price tags, Lewis suggests that, although some pieces of equipment certainly will better ones brewing system, a superior and more predictable product can be had simply by improving sanitation and maintaining accurate records when brewing. Says Lewis, Brewers need to make a bigger commitment to quality; doing this requires an investment in both hardware and knowledge. Home brewers who have problems with chill haze (which sizes in at 0.4 m) can use a 0.5-m filter by chilling the beer to almost freezing so that the proteins that cause chill haze coagulate. A 0.5-m filter will then remove these clumps of protein, leaving haze-free beer. Nevertheless, according to Pat Cappon, a sales representative at The Filter Store, filtering changes the body of a beer; a filter is most useful for those producing light ales rather than dense, dark beers. Heavy, dark beers can be filtered, but they are difficult and sensitive to filter and require a coarse filter grade to work properly. At the microbrewery level, filters are useful not only for clarifying beer, but also for increasing shelf life and production (mechanical filtering is quicker than gravity settling). Shelf life is of greatest concern to microbrewers who market their beers in bottles and kegs distributed to retailers. For a small brewpub where all beer produced is consumed on premises, a filter is, from most standpoints, probably unnecessary and even unlikely to be cost-effective. Don Gortemiller of Pacific Coast Brewery explains, If we had a bottle packaging arrangement, wed look at a filter; as it is, we get by very well using good yeast, which really reduces problems with turbidity. We tine our beer with isinglass or Irish moss, and it comes out pretty clear. For starters, a filter would cost us around $ 6000; with the cost of replacing the filter medium ($ 1020 per 7-bbl batch), combined with the keg or so of beer lost to the filter each batch, its just not cost-effective for a small brewery like ours to filter our product. As it is, we sell every bit of beer we brew each month, so storage isnt an issue. Gortemillers wish list centers on increased space and production capacity. If money were no object, I would like to have a spacious single-story structure with a gas-fired brew kettle [Pacific Coast currently brews in the basement, with the pub located on the first floor looking out onto historic downtown Oakland). Also, Id like to brew using all-grains instead of malt extract. Filters are an expensive brewery component (small filters start at around $ 6000, and large filters cost more than $ 25,000), and the question of whether or not to filter depends on the particular needs of the pub or microbrewery. Home brewers may purchase a fairly inexpensive yet effective filter capable of removing not only yeast sediment, but chill haze and even bacteria as well. One such filter is The Kit (The Filter Store, Rochester, New York), a canister-style filter designed for use with a two-keg system. Although The Kit can be used with a bottling system, a pump is necessary to propel the beer through the filtration unit; this system is not designed for gravity filtering. Perhaps an ideal application of this product is to use the carbon dioxide in keg #1 to force the beer through a tube into the filter, where an exit hose attached to keg #2 carries the filtered product into your serving keg. Compared with larger filters, such as those that microbreweries use, a small canisterstyle unit will not adversely affect batch yield. There is nominal loss in the process; the pleated, polypropylene filter housed inside a PVC canister traps only the yeast, proteins, and other fine particles. The Kit costs about $ 75, and replacement filters run about $ 33 each. It can filter about 5 gal of beer before needing to be flushed with a reverse flow of clean water; each filter will filter about 250 gal before requiring replacement. The 0.5-m filter reportedly performs at 99.9% efficiency; filtration time for a 5-gal batch of beer is 2040 min. Research, Research, Research Research before purchasing is important for almost any upgrading purchase you make for your brewing system. Teri Fahrendorf of the Steelhead Brewery in Eugene, Oregon, advises home brewers to talk to other brewers about their experiences using a particular system or piece of equipment before making any investments themselves. For home brewers looking at modifying or up-scaling their brewing operations, says Fahrendorf, one of the best things to do is to go down to your local homebrew supply store and get information on the local brewing clubs meeting dates and members. Get involved early on with experienced brewers by joining a brew club; where else can you sit around drinking good beer and talking about your brewing interests? If you want to try all-grain brewing, ask someone with mashing experience if you can watch them brew with grains a few times. Before you invest, see if its something you really want to get into or whether its just something you want to play with. Sound advice from an active brew club member. Whether youre fantasizing about purchases large or small, remember that much information is available, and many people with considerable knowledge are ready and willing to assist you in the process of actualizing your dreams of an ideal brewing system.

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aquafeed processing technology and equipment - fish feed production

As one of the fastest growing food processing industry in the world, aquaculture has provided more than half of all aquatic products for human consumption. The rapid and healthy development of aquaculture industry can hardly do without the support of artificial breeding technology, knowledge of nutritional requirement to aquatic animals, aquafeed processing technology, feed production equipment and so on. Over the past years, the technique of fish feed production has proceeded rapidly and most aquaculture farmers are fond of using floating extruded pellet to feed their fish because floating feed makes it easier for them to observe fish intake and estimate feeding amount. Here, Our Fish Feed Machinery will state the processing technology and equipment of aquafeed and put forward some suggestions.

Compared with other animal feed, aquafeed has higher requirements in respect of feed nutrition and physical characteristics (including feed pellet shape, size, density, stability in water and so on), therefore, it is the appropriate feed processing technology and fish food making machines that plays a key role in producing healthy and nutrient aqua feed according to customers specific requirements. As the leading fish feed machines and production line manufacturer, we can provide aquafeed processing equipment from raw material processing to finished feed bagging.

Crushing Technology and Equipment In general, there are three types crushing technologies, including collocation after grinding raw materials, grinding after ingredients mixing, and combination of the two. With the purpose of producing high quality aquafeed meeting the growing demand of aquatic life, it is desinging the crushing procedure of aquaculture feed that becomes the priority among priorities. The common crushing equipment contain fish feed hammer mill and droplet fish feed crusher. Usually, the former is used for rough grinding, which needs to add sieve during crushing process so as to return coarse grain for further milling. While the latter is always applied for fine grinding of cellulose materials, high-moisture materials, and granular materials like corn, grains, broomcorn and so forth, all of which make droplet fish feed crusher become incomparable machine for aquafeed production. All in all, the choice of crushing technique and crushing equipment should depend on the analysis of aquatic animal species, the analysis of feedstuff features and types, and the analysis of specified requirement of aquafeed quality.

Mixing Technology and Equipment Mixing technique is very worthwhile to be concerned in the manufacturing process of aquatic feed. Because the daily food consumption of most aquatic animals is little, it is very necessary to make high quality mixing feed with uniform nutritional ingredient so as to ensure fish can get complete nutrient from daily ingestion. The mixing uniformity is affected by several factors, including raw materials feature, mixing time and blending equipment.

With the helical ribbon structure, our fish feed mixer, according with the GMP standard, is able to blend aquafeed raw materials with high productivity. Briefly, the use of mixing technology and equipment should consider the following points: choose high cost-performance mixing machine; some raw materials should be crushed first before mixing while some should be mixed and classified before grinding; when processed in the equipment, the water content of crushed raw materials with granular shape would be decreased along with the constant rising of heat.

Pelleting Technology and Equipment As a deep processing step in feed processing, the pelleting processing technology design and the choice of related machines are important factors affecting the quality of aquatic feed, including tempering and extruding technology. Tempering refers to the process of heat-moisture treatment to feedstuff for gelatinization, which can promote the digestibility of protein in feed, improve the water tolerance and stability, and kill the pathogenic bacteria without water pollution.

Currently, using extruding methods to produce various aquafeed has been promoted rapidly all over the world because fish feed made by extruding equipment has unique advantages , such as fine palatability, good stablility in water, easy digestion and so on. Generally, there are two types aquafeed extrusion machines, including dry type fish feed extruder and wet type fish feed extruder, which can be adopted to produce floating, sinking and slow-sinking aquatic feed to meet the ingestion requirements of diverse aqua animals. When choosing dry or wet type extruder, it is necessary to consider the water content of feed raw materials because the biggest difference between the two machines is that the wet one is equipped with a boiler for adding water or steam in the production processing.

Drying/Cooling Technology and Equipment For easy storage, it is indispensable to dry or cool aquafeed after pelleting and extruding. there is a multilayer mesh belt dryer that is specially designed for drying feed pellets. With circulation fan, heating device, fresh air suction and exhaust discharging system, this drying machine can be used to transfer pellets into chamber for heating so as to reduce water content of feed and lower temperature. Before finished, aquafeed pellets should be cooled after drying.

Based on counter flow cooling theory, our fish feed cooler is able to cool the pellets completely and evenly, reducing pellets temperature from about 85 Celsius down to about 5 Celsius above surrounding temperature, and lowering pellets water content from nearly eighteen percents to about thirteen percents. In a word, suitable drying/cooling processing can make fish feed easier to store and transport, which makes it be considerable link in the feed production.