middle alumina grinding ceramic ball dia mm

china alumina ceramic manufacturer, calcined alumina, alumina ceramic ball supplier - lianyungang zhong ao aluminium co., ltd

Alumina Ceramic, Calcined Alumina, Alumina Ceramic Ball manufacturer / supplier in China, offering High Purity Alumina Prilling Powder, Wear-Resistant Alumina Tile, High Precision Alumina Ceramic Piston Pump and so on.

Lianyungang Zhong Ao Aluminium Co. Ltd. (ZALY)Our Products: Alumina Ceramic BallAlumina Ceramic LiningAlumina Ceramic CylinderAlumina Wear TileAlumina Ceramic BeadsAlumina Ceramic NozzleAlumina Ceramic RingInsulation CeramicCustomized Heterotypic Technical CeramicsAIZA is a Lianyungang based Sino-Foreign joint venture corporation. It is a Chinese producer of calcined alumina and a manufacturer of alumina ceramics, such as alumina ceramic ball, alumina ceramic ...

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Middle alumina ball is characterized by good crystallization, high content of aluminum oxide, high mohs hardness, high density, Low wear loss, etc., which greatly improves the grinding efficiency compared with traditional natural stone. Moreover, Using our middle alumina ball can save large amount of electricity compared with the natural stone due to its higher density.

(3) Thirdly, the uniformity of the quality. Thanks to the technology and the kiln, the temperature control int he kiln is very uniform, therefore, the alumina ball density and wear loss will be very uniform and stable.

dia 0.5mm small size 92% alumina grinding ball for ceramic industry - china ceramics, bead

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In order to prevent excessive wear abrasion, the hardness of the grinding jars and the grinding balls must be higher than that of the material used for grinding. Normally, grinding jars and grinding balls of the same material should be chosen.

alumina balls, alumina ceramic grinding media ball, mill linings brick, inert ceramic, china. - part 3

We are specializing in floor tiles and wall tiles ceramic production with capacity is 15 milliion m2 per year. Now we want to buy alumina ceramic balls from China with some details kind as below: 70% Alumina ball Dia. 70mm: quantity: 50tons per month. (for supplement) 75% Alumina ball Dia. 40mm 70mm: 75tons (for new use), details: + Dia. 40: 9 tons + Dia. 50: 21 tons + Dia. 60: 21 tons + Dia. 70: 24 tons

1. Scope 1.1 This Standard Specification describes the general chemical and physical requirements for inert ceramic balls (ICB). This Standard Specification also describes the means of testing for the required properties and the acceptance criteria to be used. 1.2 Exceptions or variations shown in the UOP Project Specifications take precedence over the requirements shown herein. GENERAL REQUIREMENTS 2.1 Materials considered for use shall have demonstrated satisfactory performance in the same service. 2.2 Inert ceramic balls (ICB) are used as: a. support material beneath catalyst or other granular material b. hold down material on top of a bed of catalyst or other granular material c. filler material where a reactive material (e.g., catalyst) is undesirable (e.g., a low flow area subject to coke formation) d. material to occupy a volume while creating minimal pressure drop for flowing fluids e. a means of developing a back-pressure to aid in flow distribution (especially for vapor flow). 2.3 The UOP Project Specifications provide the following information: a. Location(s) where the ICBs are to be placed b. Size(s) of ICBs to be placed at each location c. The depth of each layer of ICBs or the volume to be filled by the ICBs d. The Type of ICB to be placed at each location 2.4 ICBs shall be new. Except as noted in Paragraph 2.5, recycled, reconditioned, or reclaimed ICBs shall not be used under any circumstances. 2.5 Reuse of ICBs that are unloaded as the granular material in a vessel is unloaded, may be considered under the following circumstances: a. The ICBs are reused in the same process and service in which they were previously used. b. The ICBs are reused at the same site as they were previously used. c. The ICBs do not leave the site between unloading and reuse.

d. ICBs from different manufacturers shall not be mixed. e. Prior to reuse, the ICBs are separated by size and screened to remove all over or undersize (e.g., broken, fines) pieces. f. The ICBs are undamaged, e.g., they are not cracked, they have not absorbed any chemicals, etc. g. The ICBs are stored in sealed containers, in a shelter, protected from the elements and moisture (e.g., dew, humidity, spills) from the time they are unloaded until they are reused. h. IBCs shall not be reconditioned under any circumstances. 2.6 The testing requirements of the following sections apply to, and shall be met by, each size of ICB. Intact ICBs shall be tested; ICBs shall not be crushed or otherwise altered. The manufacturer shall determine the frequency of each test. Tests shall be performed on each manufactured batch as necessary for quality control of the manufacturing process. Other tests shall be performed periodically to demonstrate that the type and size of ICB meets the requirements of this specification. Additional testing shall be performed as required by the purchaser. 3. CHEMISTRY REQUIREMENTS 3.1 ICBs shall be inert to the process atmosphere, i.e., neither affecting nor affected by the environment to which they are exposed. 3.2 The chemical makeup of each ICB Type shall be as follows: Type 1 The combined alumina (Al2O3) and silica (SiO2) content of the material shall be a minimum of 90 weight percent, with a maximum silica (SiO2) content of 80 weight percent. Type 2 The combined alumina (Al2O3) and silica (SiO2) content of the material shall be a minimum of 90 weight percent, with a maximum silica (SiO2) content of 80 weight percent. Type 3 A very pure, 99+ percent alumina product, with a maximum silica (SiO2) content of 0.5 weight percent.

3.3 A sample of each size of the specified Type of ICB shall be tested for water absorbtion in accordance with ASTM C-830 (i.e., the sample is thoroughly oven dried, placed under a vacuum to evacuate the pores, then saturated by water under pressure to ensue completely filling the pores). The water absorbed shall not exceed the following: a. Type 1 3.0 weight percent b. Type 2 0.9 weight percent c. Type 3 3.0 weight percent 3.4 The leachable iron content as iron oxide (Fe2O3) shall be a maximum of 0.1 weight percent. The leachable iron shall be determined by boiling 0.11 pounds (50 grams) of ICBs in a 10% hydrochloric acid solution for 64 hours.

4.1 All material shall be suitable for operating temperatures up to 1800F (980C). 4.2 All ICBs shall be essentially spherical in shape. The ratio of the maximum diameter to minimum diameter of any ICB shall not exceed 1.20. 4.3 The loose filled ICB density shall be a minimum of 85 lb/ft3 (1360 kg/m3). The material (piece) density shall be at least 135 lb/ft3 (2160 kg/m3). 4.4 The ICBs shall not dust; i.e., produce small fines, spall, or fracture due to abrasion between ICBs or with the container when handled or vibrated. 4.5 ICBs shall pass a high-pressure shock test. The test consists of heating 0.5 gallons (2 liters) of ICBs to 850F (454C) in an autoclave under 100 percent hydrogen pressure of 1500 psi (106 kg/cm2) for at least 1 hour. Reduce the pressure from the specified pressure to zero in less than one second. Inspect the ICBs for breakage and test for crushing strength. Compare the results with those prior to the high-pressure shock test. The compared results shall be consistent with the following:

Fracturing or spalling: 99% of the ICBs intact Crushing strength: No loss of strength 4.6 ICBs shall pass an attrition test where 5 pounds (2.25 kg) of ICBs are placed into an 18-inch (450 mm) diameter rubber lined drum with round ribs. The drum is sealed and rotated at a rate of 60 rpm for 30 minutes. Remove the ICBs from the drum, screen on a 10-mesh screen, and weigh. The loss of weight shall be less than one weight percent. 4.7 A randomly selected sample of 30 ICBs shall withstand the following impact test without fracture or spalling. Testing shall be performed on the same set of ICBs used for the quench test (Paragraph 4.8), both before and after the quench test. The ICBs shall be dropped (free fall), one at a time, onto a steel plate from a height of 20 feet (6 meters).

4.8 ICBs shall withstand the following quench test without fracture or spalling. ICBs shall be heated to at least 925F (500C), held for 30 minutes at temperature, removed, and immediately dropped into 165F (75C) water. 4.9 The diameter range and minimum crushing strength for each size of ICB shall be as indicated below. The crushing strength shall be the actual gauge reading when a single ICB is pressed between two steel plates.

Size (Nominal Diameter) Diameter Range (Greater Than / Less Than, Inclusive) Crushing Strength (Minimum) 1/8 (3 mm) 0.08 (2 mm) / 0.17 (4 mm) 50 lb (23 kg) 1/4 (6 mm) 0.20 (5 mm) / 0.30 (8 mm) 120 lb (55 kg) 3/4 (19 mm) 0.65 (17 mm) / 0.85 (21 mm) 950 lb (430 kg) 1-1/2 (38 mm) 1.38 (35 mm) / 1.58 (40 mm) 2000 lb (910 kg)

SHIPPING 5.1 ICBs shall be shipped and stored in sealed steel drums. The ICBs shall be enclosed in a heavy gauge polypropylene bag inside of the drum. 5.2 Prior to loading into the drum, each nominal size of ICB shall be screened to remove broken pieces, fines, and any material smaller or larger than the tolerance limits specified for the nominal size (see Paragraph 4.9). 5.3 ICBs shall not be exposed to moisture. Drums shall be stored in a sheltered location, protected from the environment. They shall be elevated above the floor and the floor shall slope away from the storage site to prevent ponding of water. 5.4 The drums and bags shall not be opened until the ICBs are to be loaded into the vessel. If samples are required, the bag and drum shall be resealed immediately after the samples are obtained. LOADING 6.1 The ratio of the nominal diameters of material in adjacent layers shall not exceed three (3). 6.2 If there is evidence of fines, breakage, or out of size tolerance ICBs, each nominal size of ICB shall be screened prior to loading to remove broken pieces, fines, and any material smaller or larger than the tolerance limits specified for the nominal size (see Paragraph 4.9). 6.3 The depth of each layer shall be uniform within inch of the specified nominal depth. 6.4 Each layer shall contain only the specified diameter of inert ceramic balls.

There are a lot of big companies which are producing ceramics bodies, glazes and processing of ores and minerals. We have very good relations with them and they are very near distance to our company so, we can visit them in each day.

For producing artificial granite, they are milling clay and feldspar raw materials in discontinue ball mill machines. For this operations one of our customer using a lot of kinds alumina balls and sfere alubit 90 balls. Im sending knowledges of two kinds of these balls which are used in the customer with very big amounts. For only this customer monthly consumption is 30 tons.

Finally, we have very very big potential of selling these balls. There are approximately 20 very big factories which are producing a lot of kinds ceramics bodies. By adding other regions in Turkey, total monthly balls consumption is 250 300 tons/month. We have good experience and very good relations with lots of these factories.

Now, we are searching all alumina balls and sfere alubit 90 balls producers in all around the world, China companies, Japan companies, Italy companies and USA companies After finding best company, we want to be Turkey distributor of this company. We will do very big and very good jobs with this company and we will be ordering minimum 250 300 tons balls in each month after getting all Turkey markets.

So, please send us the best good solution for above mentioned operations as alumina balls and sfere alubit 90 balls and send us your best cheapest price offer for 10tons, 20tons, 40tons, 50tons, 100tons and 200tons.

The problem was: after certain period from milling, erosion done on the alumina ceramic ball and we noticed the material be milled have black fog during granulation, this is serious situation, after inspection the balls we find that the surface of the balls have black lines.

Somebody in Chinese company analyzed these balls & compared it with old type we have (good quality type), the result was: contaminated balls is alumina, the second is steatite and mainly silicon dioxide 63% & 4.5% aluminum oxide.

Alumina balls, alumina grinding ball, inert alumina ball from HuaMing Alumina Technology Ltd., China. For ball mill grinding media and ceramic tower packing, catalyst bed support. Best quality, competitive pricing and prompt shipment!

Can you provide cost and timing to provide the following alumina balls for my evaluation? Material Qty (wt in Kg) Diameter (mm) High Alumina 95 Series 25 20 High Alumina 95 Series 25 25 High Alumina 95 Series 25 30 Inert Alumina Balls 25 25 Also please provide a quotation for each of these grades in $(USD) per metric ton. Best regards, Alumina ball products, alumina grinding media, alumina support media inquiry provided by China alumina ball manufacturer: HuaMing Alumina Technology Ltd.

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2)The alumina grinding ball have been widely used in ball mills as abrasive media for ceramic raw materials and glaze materials in ceramic factories, cement factories, enamel factories and glasswork.

Commodity Alumina grinding ball 30/40/50/60mm Appearance Faint yellow Al2O3 Content (%) 70%2% Bulk Density 3.02(g/cm3) Water absorption <0.01(%) Degree of hardness (MOhs) 8 Use raw material Fining high bauxite Formation way Isostatic pressing