namoya mining pilot crusher plant

laboratory and pilot plant primary jaw crushers

Essa Jaw Crushers have set the industry standard for over 30 years so you can be assured the designs have stood the test of time. They offer fast sample throughput with good reduction ratio and reduced sample contamination.

The crushers are easy to maintain and repair, and have hard-wearing parts, such as the long-life roller bearings and strong jaw plates. These decrease downtime and maintenance costs important factors that affect your bottom line. Additionally, their simple mechanical design makes them easy and safe to operate.

With high productivity and low maintenance costs being a priority, Essa has designed these sturdy machines to operate efficiently and safely. The mechanics have been kept simple for easy repair so that downtime is kept to a minimum.

The Essa JC1000 Jaw Crusher is the smallest of the range. It is a medium-duty, entry-level machine designed for crushing smaller samples across a wide range of applications. Known in the industry as a steady-going and reliable machine, it is productive and hardy, with reduced operating and spare parts costs.

To maximise your available space, the JC1000 has a compact footprint. It is mounted on a sturdy floor stand and is fitted with an ergonomically designed feed hopper and easily accessible aluminium sample drawer. It features a simple stop/start button. Along with a dust extraction point to remove airborne dust, these features improve the operating environment and reduce sample contamination.

The JC1000 accepts a variety of sample types up to 85 mm. It has a good reduction ratio with 6 mm product size and 250 kg/hr throughput. A single toggle and easy jaw gap adjustment add to its uncomplicated operation and control features. The jaw plates are made from hard-wearing BISALLOY Wear steel, further reducing sample contamination.

The Essa JC2000 Jaw Crusher is known as a workhorse in the industry, and for good reason. It is dependable, hard-wearing, and has proven itself in exploration and grade control primary sample crushing across the exploration and mining industries. Suitable for drill core, rock chip and grab samples, it is the industry standard crusher for the geochemistry laboratory.

Its two installation options offer improved flexibility. Choose an upright, stand-alone configuration or a low-profile bench-mountable version. Both can easily be configured to operate in a sampling station or pilot plant application.

This crusher represents excellent value and promises high productivity for any laboratory, field or plant application. The mechanically simple single toggle design is reliable and easy to maintain and repair.

The heavy-duty, general purpose Essa JC3000 Jaw Crusher is a well proven, highly productive primary crusher used in sample preparation and plant applications. More powerful than the JC2000, it is suitable for higher workloads and can handle large core and lump crushing. It effectively crushes soft to very hard ore, drill core, rock and similar particulate.

You are offered flexible installation options, with the machine available in upright stand-alone or low-profile configuration. The low-profile configuration has a fabricated steel base for mounting on a support frame or concrete footing.

The single toggle JC3000 has been tried and tested for analytical and metallurgical laboratory use. It is well regarded as a high performing, low maintenance choice. It has large input feed size up to 170 mm, with an efficient reduction ratio with 24 mm product size and rapid crushing at 3000 kg/hr throughput.

Standard features include rugged, fabricated steel construction, electric pre-wiring with an IP65-enclosed stop/start and motor protection station. The vertically serrated chrome steel jaw plates are reversible and interchangeable for extended life.

With safety a top priority, the JC3000s features include full drive guarding. The two dust extraction points remove airborne dust at the inlet and sample drawer, greatly improving the health of the operating environment. Theres also an ergonomically designed feed hopper and easily accessible aluminium sample drawer.

The rugged and dependable Essa JC5000 Jaw Crusher is the largest model in the Essa range. It has a throughput five times as large as the next model down, at 15,000 kg/hr. It also has a larger input feed size up to 250 mm, with a 30 mm product size.

Typical applications include primary crushing of large lump ore in sampling stations and pilot plants, the pre-crushing of materials being prepared for analytical or metallurgical laboratory use, and in industrial production facilities. The JC5000 is suitable for soft to very hard ore, rock and large industrial particulate. Its flexibility of use allows for continuous or batch use in laboratory and plant applications. It is a highly desirable crusher, requiring fewer processes and less handling.

The crusher has a number of features which make it easy to maintain and repair. These include the mechanically simple single toggle and the jaw gap adjustment mechanism. It offers extended wear part life with the reversible and interchangeable manganese steel jaw plates. The long-life roller bearings allow for a high load capacity and also decrease downtime and maintenance costs.

FLSmidth provides sustainable productivity to the global mining and cement industries. We deliver market-leading engineering, equipment and service solutions that enable our customers to improve performance, drive down costs and reduce environmental impact. Our operations span the globe and we are close to 10,200 employees, present in more than 60 countries. In 2020, FLSmidth generated revenue of DKK 16.4 billion. MissionZero is our sustainability ambition towards zero emissions in mining and cement by 2030.

mobile crushers, mobile crusher plant & price, - liming mining and rock technology

Liming Heavy Industry is a high-tech company integrating R&D, production and distribution, and provides crusher, sand making, grinding equipment, mobile crushing station, etc. mature products and solutions used in aggregate, mining and waste recycling. At present, we have established cooperative relations with customers in more than 170 countries, and helped them plan reasonable programme and realize scientific process.

LIMING has got ISO9001:2008 international quality system certification, European Union CE certification and Russian CU-TR certification. The mining machinery is listed as recommended product of China Aggregates Association.

The mobile jaw crusher is equipped with main machine with large crushing ratio, which can be used for primary crushing of mineral materials. Of course, it is also a good helper in waste recycling, so that waste mortar, bricks and stones can be reprocessed to make recycled aggregates for new building materials.

According to projects requirement, there is HST cone crusher or HPT cone crusher can be main machine of mobile cone crusher, so the flexibility and controllability is good. The product can play its performance very well and optimize stone shape in fine crushing. It is a wisdom choice of stone processing in mining industry.

Mobile impact crusher can produce high-quality materials and excellent shape for secondary and tertiary crushing, which is quite competitive in the market. In addition, it takes advantages of large capacity, wide range of granularity and adjustable function. Dozens of models can crush almost any application.

Mobile sand making machine can be used in combination with mobile jaw crusher, mobile cone crusher and mobile impact crusher. It usually shapes or crushes the materials after coarse crushing or medium crushing in order to make the fineness smaller and more accurate. It can quickly start to work and run stably.

crushing and screening | mining equipment | pilot crushtec

With a three-decade heritage of providing expert equipment solutions, technical support and expert advice, Pilot Crushtec International (Pty) Ltd is southern Africas leading supplier of quarrying and mining equipment. We are proud to offer a range of industry-leading OEM and in-house quarrying, mining, recycling and materials-handling solutions, including:

Mobile and semi-mobile crushing Screening Modular plants Recycling Stockpiling Materials-handling Spare and wear parts Mobile lighting Dust fighters Impactors Sand washing Technical support Repair services

Our team of experts and specialists is backed by 30 years of experience in the field, in the harshest environments and toughest applications. Thats why we only offer the best OEM product ranges which include jaw crushers, cone crushers, vertical shaft impactors (VSI), screens, skid frames, feeders, hoppers and conveyors.

With a three-decade heritage of providing expert equipment solutions, technical support and expert advice Pilot Crushtec International (Pty) Ltd is southern Africas leading supplier of quarrying and mining equipment. We are proud to offer a range of industry-leading OEM and in-house quarrying, mining, recycling and materials-handling solutions including:

Mobile and semi-mobile crushing Screening Modular plants Recycling Stockpiling Materials-handling Spare and Wear parts Mobile lighting Dust fighters Impactors Sand washing Technical support Repair services

Our team of experts and specialists is backed by 30 years of experience in the field, in the harshest environments and toughest applications. Thats why we only offer the best OEM product ranges which include jaw crushers, cone crushers, vertical shaft impactors (VSI), screens, skid frames, feeders, hoppers and conveyors.

Pilot Crushtec International (Pty) Ltd is South Africas leading supplier of mobile and semi-mobile crushing, screening, recycling, sand washing, stockpiling, compacting and material handling solutions. Our product range includes jaw crushers, cone crushers, vertical shaft impact (VSI) crushers, impact crushers, screens and conveyors.

namoya gold mine, maniema - mining technology | mining news and views updated daily

Namoya open-pit gold mine is located in the Maniema Province of Democratic Republic of the Congo. The mine is situated at the southwestern end of the 210km-long Twangiza-Namoya gold belt, and is owned by Banro Corporation (Banro).

Namoya open-pit gold mine is located in the Maniema Province of the Democratic Republic of the Congo. The mine is situated at the southwestern end of the 210km-long Twangiza-Namoya gold belt and owned by Banro Corporation (Banro).

First gold from the Namoya mine was poured in December 2013, while commercial production began in January 2016. The mine is expected to produce 122,000oz of gold for the first five years of production.

The Namoya project is one of the four gold properties of Banro in the South Kivu and Maniema Provinces. The exploration permit for the mine covers 174km and is divided into four main deposits namely Mt. Mwendamboko, Muviringu, Kakula and Namoya Summit. Auriferous vein system is prominently found at the surface of the deposits.

Most of the mineralisation is contained in fine-grained sericite schists. It is structurally controlled by a northwest-southeast trending shear zone, which contains quartz, calcite, chlorite, and albite.

The proven and probable reserves at Namoya are estimated to be 20.53 million tonnes (Mt) graded at 1.92g/t Au containing 1.27 million ounces (Moz) of gold. The inferred mineral resources are estimated to be 6.35Mt grading at 1.63g/t Au containing 330,000oz of gold.

Mining at Namoya commenced with the pit development of Seketi and Mwendamboko deposits. Oxides and transitional ores are stockpiled and graded based on the ore quality. The ore processing is done using hybrid carbon-in-leach (CIL)/gravity and heap leach methods for easily leachable oxide and transitional ores, while a milling/carbon-in-leach (CIL) plant was installed in the second phase to treat fresh rock.

Construction of the Namoya oxide project started in the fourth quarter of 2012. The major installations included the primary crusher, the conveyor belt, the primary product stockpile and the crushed product stockpile.

A 420km road to Namoya from Uvira was rehabilitated to serve as the main access road. Approximately 220km of the N5 roadway was also reconstructed to provide access to the mine site. A 200km-long spur road linking Fizxi and Namoya was additionally constructed under the project.

mining equipment for sale | sand screen | jaw crusher - pilot crushtec

Pilot Crushtec International (Pty) Ltd is South Africas leading supplier of mobile and semi-mobile crushing, screening, recycling, sand washing, stockpiling, compacting and material handling solutions. Our product range includes jaw crushers, cone crushers, vertical shaft impact (VSI) crushers, impact crushers, screens and conveyors.

metso lokotrack lt120e mobile jaw crushing plant | pilot crushtec

The Lokotrack LT120E mobile jaw crushing plant is a revolutionary masterpiece in mobile crushing with electricity. Superior capacity combined with excellent fuel economy provides the lowest sustainable cost per ton.

The Lokotrack LT120E mobile jaw crushing plant is a revolutionary masterpiece in mobile crushing with electricity. Superior capacity combined with excellent fuel economy provides the lowest sustainable cost per ton.

Lokotrack LT120E is a hybrid mobile crushing plant, its power supplied either by an external network or by the 420-kVA on-board diesel generator. The electrically driven crusher and conveyors enable a highly effective, economical and environment-friendly process.

Your special requirements are taken into account with the wide range of options designed for the Lokotrack LT120E. For example, a long foldable main conveyor and wide feed hopper extensions help to customise the LT120E for your needs. Precisely designed details guarantee safe operation while proper platforms and composite covers enable easy maintenance. Compact dimensions make the Lokotrack LT120E easy to transport and operate even in the most demanding conditions.

Material is fed on to the feeder by an excavator or wheel loader. Two stage scalping section removes the fines which can be guided to the main or side conveyor. Output material size is controlled by crusher setting. Power for Lokotrack LT120E can be supplied either from external network or from 420 kVA onboard diesel generator.

Pilot Crushtec International (Pty) Ltd is South Africas leading supplier of mobile and semi-mobile crushing, screening, recycling, sand washing, stockpiling, compacting and material handling solutions. Our product range includes jaw crushers, cone crushers, vertical shaft impact (VSI) crushers, impact crushers, screens and conveyors.

record pilot crushtec plant for zambian mining industry - international mining

The biggest Pilot Crushtec modular plant to have been built to date has been installed at a limestone operation in Ndola near Lusaka, Zambia. One of the key markets for the crushed limestone is acid neutralisation in the metallic mining sector in the country. Owned by local company Zamm Imports Ltd, the plant includes 18 Pilot Crushtec machines and was commissioned in late July 2010.Included in the deal was a Pilot Modular/TRIO MJ3042 jaw crusher, three Pilot Modular MC 1000 11m conveyors, a Pilot Modular MC1050 20m conveyor, a Pilot Modular DD4815 double deck screen, a Pilot Modular MC800 16m conveyor, a Pilot Modular MC800 20m conveyor, a Pilot Modular/TRIO MC130 standard cone crusher, a Pilot Modular MC130 short head cone crusher, a Pilot Modular MC1200 25m conveyor and a Pilot Modular/TRIO TD6118 triple deck screen.

The plantis initially being used to crush 2,000t/d of 0-5mm, 5-10mm, 10-19mm and 19-25mm limestone. The Ndola area has the largest reserve of the finest quality limestone in Zambia and we will be using the plant to supply the booming construction sector and the mining sector, where the limestone is used to neutralise acid, explained Zamm Imports owner Jignesh Soni.

The speed of delivery and installation impressed Zamm as the order was finalised in March and the plant was fully set up by the middle of June 2010. The modular design meant that Zamm did not have to carry out a large amount of civil works that may have been needed with a different design.

After many enquiries to various South African and Chinese companies, I was shown the full range of Pilot Modular/TRIO crushers at Pilot Crushtec which particularly impressed me as this approach eliminates the need for any civil works, which can take up to a year to set up and commission, he explained.

schlumberger new energy venture to launch a lithium extraction pilot plant in nevada | schlumberger

HOUSTON, March 18, 2021Schlumberger New Energy announced today the development of a lithium extraction pilot plant through its new venture, NeoLith Energy. The deployment of the pilot plant will be in Clayton Valley, Nevada, USA. The NeoLith Energy sustainable approach uses a differentiated direct lithium extraction (DLE) process to enable the production of high-purity, battery-grade lithiummaterial while reducing the production time from over a year to weeks. This innovative process can create new market opportunities for lithium extraction and battery manufacturing economy, and maximize the value of the lithium-rich resource base in Nevada with cutting-edge extraction technology.

The demand for battery-grade lithium is projected to grow exponentially, driven by growth in the electric vehicle (EV) market. As EVs greatly depend on lithium-ion rechargeable batteries, sustainable and efficient lithium production has become an important topic for regions, industries, and technology companies, as well as battery and large automotive manufacturers. NeoLith Energys pilot plant is a step towards a full-scale, commercial lithium production facility. The pilot plant results will be used to optimize the design of the full-scale production plant. The production plant will utilize an environmentally friendly method for subsurface brine extraction and lithium production that requires a significantly smaller footprint and reduces water consumption by over 85% compared to current methods for lithium extraction from brine.

Nevada lithium resources present an excellent opportunity to demonstrate a leap in production efficiency with a more sustainable approach, said Ashok Belani, Schlumberger New Energyexecutive vice president. Schlumbergers expertise in the subsurface domain, development of process technology, and global deployment of technology at scale with various partners all play an important role in the innovation and efficiency of our DLE process. We are accelerating the deployment of our pilot plant in response to the high market demand for battery-grade lithium material.

The pilot plants deployment is part of the Pure Energy Minerals agreement with Schlumberger New Energy for the development of its Nevada lithium brine property, using advanced technology to process the brine and extract high-purity lithium, maximizing the lithium resource recovery. Commissioning of the pilot plant will begin following receipt of all necessary permits. NeoLith Energy intends to begin operations before the end of 2021.

Schlumberger New Energy has invested more than USD 15 million in this DLE process, and expects the development and operation of the pilot plant in Nevada to require a similar amount of investment. This innovative and sustainable DLE process has the potential to disrupt the lithium economy by opening new opportunities to existing production regions, and enabling new lithium production regions across the globe to meet the growing demand.

Schlumberger is the world's leading provider of technology to the global energy industry. Schlumberger New Energy explores new avenues of growth by leveraging Schlumbergers intellectual and business capital in emerging new energy markets, with a focus on low-carbon and carbon-neutral energy technologies. Its activities include ventures in the domains of hydrogen, lithium, carbon capture and sequestration, geothermal power and geoenergy for heating and cooling buildings. Find out more at www.slb.com/newenergy.

This press release contains forward-looking statements within the meaning of the U.S. federal securities laws that is, statements about the future, not about past events. Such statements often contain words such as expect, may, can, estimate, intend, anticipate, will, potential, projected" and other similar words. Forward-looking statements address matters that are, to varying degrees, uncertain, such as projected demand growth for battery-grade lithium, and other forecasts or expectations regarding global climate change. These statements are subject to risks and uncertainties, including, but not limited to, the inability to achieve net-negative carbon emissions goals; the inability to recognize intended benefits of the partnership; legislative and regulatory initiatives addressing environmental concerns, including initiatives addressing the impact of global climate change; the timing or receipt of regulatory approvals and permits; and other risks and uncertainties detailed in the companies public filings, including Schlumbergers most recent Forms 10-K, 10-Q and 8-K filed with or furnished to the U.S. Securities and Exchange Commission. If one or more of these or other risks or uncertainties materialize (or the consequences of such a development changes), or should underlying assumptions prove incorrect, actual outcomes may vary materially from those reflected in our forward-looking statements. The forward-looking statements speak only as of the date of this press release, the parties disclaim any intention or obligation to update publicly or revise such statements, whether as a result of new information, future events or otherwise.

greenidge generation to expand bitcoin mining with south carolina plant - coindesk

The leader in news and information on cryptocurrency, digital assets and the future of money, CoinDesk is a media outlet that strives for the highest journalistic standards and abides by a strict set of editorial policies. CoinDesk is an independent operating subsidiary of Digital Currency Group, which invests in cryptocurrencies and blockchain startups.

pilot crushtec doppiatrac dr400 delivers coal tonnes

Coal supply for a variety of end users remains a hot topic in the South African mining fraternity and process operators are continually looking for cost-effective solutions to provide in spec product against a background of deflated commodity prices.

The DoppiaTrac DR400 offers this solution, not only for the efficiencies it offers in a highly competitive business, but for its unique status in the local market as a track-mounted double roll crusher.

[quote]The year began with an urgent contract to process run of mine (ROM) thermal coal from >80 mm spec to <40 mm spec. Pilot Crushtec International was able to respond to the customers needs by supplying a brand new product ex-stock. Within a matter of days, the machine had been delivered, commissioned and was producing product in line with, if not better, than customer expectations.

Pilot Crushtec International CEO Sandro Scherf explains that the DoppiaTracs acceptance in the marketplace is very much related to the economies and efficiencies it delivers to owners and contractors.

In thermal coal applications the DoppiaTrac DR400 can crush >80 mm ROM coal down to <40 mm specification in a single pass. This means that there is no need for additional screening and a return conveyor to pass oversize material back to the crusher.

Spy Imports and Hire owner Martin Brown is well pleased with his companys new acquisition. The tonnages are as good as we expected, averaging between 300 and 350 tph and occasionally approaching a rate of 400 tph.

According to Brown, he first made contact with Pilot Crushtec International in 2015 via the companys website which indicated that it is currently the sole local supplier of a tracked double roll crusher a product that he identified as being most suited to his needs.

Our traditional business has basically been plant hire however we began to focus on crushing and screening work midway through 2015, as we believe that this is a field which can offer attractive opportunities, says Brown.

lab and pilot equipment - crushers, ball mills and flotation cells for mining and mineral beneficiation

On the basis of process mineralogy, our laboratory and pilot scale equipment is mainly for the ore beatification plant to do the laboratory mineral processing and pilot testing, or do the laboratory testing and analysis on ore, pulp, ore concentration,etc, up to the aim control the ore beatification process better.

ZJH minerals micro dosing pump is used for continuous flotation experiment in mineral dressing laboratory, especially for pump viscous (turpentine), corrosive and environment-polluting liquids. Our micro dosing peristaltic pump could also applied for pump microscale liquid in chemical, pharmaceutical, environmental protection, printing and dyeing departments.

Industrial peristaltic pump is widely adopted for the industry of metallurgy, geology, chemical engineering, mining and mineral processing. Peristaltic hose pump could deliver the ore pulp, reagent and other thick liquid.

This set of lab heap leaching system is for the aim of extracting gold by heap leaching method in the laboratory. It is suitable for the gold ore processing plant and mineral processing technology research institute.

This set of pilot flotation and cyanidation plant is suitable for the laboratory of the gold ore dressing plant, mineral processing technology research institute, the university, Geology industry and metallurgical industry to do the flotation technology and cyanidation research on the gold ore, non-ferrous metals ore, non-metal ores, in order to provide reliable technical parameters for industrial production and innovation of mineral processing technology.

The laboratory disc pelletizer system is composed by powder mixer, disc pelletizer and liquid spray device. It is widely used in the laboratory powder pellet making for the industry of chemical engineering,fertilizer, pesticide, iron ore pellet, power source, food, medical, refractory materials, Particles coating, solid waste disposal. Building materials, etc.

Lab agitator or Agitating tank is suitable for labs in industries to wet agitate slurry materials, allowing ore particles to suspend and to fully contact with reagent before being mixed evenly and creating conditions for separating operation.

XJT-Pneumatic Multi-functional Leaching Agitator is applied for the laboratory of mining, Geology, metallurgy, building material, chemical engineering, scientific research institution, etc for Wet leaching agitating.

ZJH mainly focus on producing and supply crushers, ore grinding equipment, mineral Beneficiation equipment, laboratory and pilot scale ore dressing equipment for Mining and Mineral Processing Industry. Our aim is to work together with Mines, Mineral Beneficiation Plantsfor helping to reduce the operating cost ,to improve the operating efficiency.

pilot flotation plant - crushers, ball mills and flotation cells for mining and mineral beneficiation

This set of pilot flotation plant is suitable for the laboratory of the ore dressing plant, mineral processing technology research institute, the university, Geology industry and metallurgical industry to do the flotation technology research on the gold ore,non-ferrous metals ore, non-metal ores, in order to provide reliable technical parameters for industrial production and innovation of mineral processing technology.

This set of pilot flotation plant is suitable for the laboratory of the ore dressing plant, mineral processing technology research institute, the university, Geology industry and metallurgical industry to do the flotation technology research on the gold ore,non-ferrous metals ore, non-metal ores, in order to provide reliable technical parameters for industrial production and innovation of mineral processing technology.

Pulp specific gravity: 1.4t/m, the particle size of pulp: -200 mesh up to 85%, pulp density: less than 45%, capacity: 30-40kg/h. This set of pilot flotation plant includes the process of the crushing system, ball mill grinding system, classification system, rough floatation,scavengerandconcentrating.

ZJH mainly focus on producing and supply crushers, ore grinding equipment, mineral Beneficiation equipment, laboratory and pilot scale ore dressing equipment for Mining and Mineral Processing Industry. Our aim is to work together with Mines, Mineral Beneficiation Plantsfor helping to reduce the operating cost ,to improve the operating efficiency.

pilot flotation and cyanidation plant - crushers, ball mills and flotation cells for mining and mineral beneficiation

This set of pilot flotation and cyanidation plant is suitable for the laboratory of the gold ore dressing plant, mineral processing technology research institute, the university, Geology industry and metallurgical industry to do the flotation technology and cyanidation research on the gold ore, non-ferrous metals ore, non-metal ores, in order to provide reliable technical parameters for industrial production and innovation of mineral processing technology.

1.The application and features of pilot flotation and cyanidation plant This set of pilot flotation and cyanidation plant is suitable for the laboratory of the gold ore dressing plant, mineral processing technology research institute, the university, Geology industry and metallurgical industry to do the flotation technology and cyanidation research on the gold ore, non-ferrous metals ore, non-metal ores, in order to provide reliable technical parameters for industrial production and innovation of mineral processing technology. This set of Lab flotation and cyanidation pilot plant is adopted the advanced technology, is the ideal equipment for gold concentration.

2.Equipment composition This set of pilot flotation and cyanidation plant mainly include crushers, ball mills, spiral classifier, vertical sand pump, agitator, flotation cells and leaching tanks, etc. 3.Flotation and cyanidation technological process Pulp specific gravity: 1.4t/m, the particle size of pulp: -200 mesh up to 85%, pulp density: less than 45%, capacity: 30-40kg/h. This set of pilot flotation and cyanidation plant includes the process of the crushing system, ball mill grinding system, classification system, rough floatation, scavenger and concentrating, cyanidation leaching, up to the aim of extracting gold and useful metals from the cyanide solution.

ZJH mainly focus on producing and supply crushers, ore grinding equipment, mineral Beneficiation equipment, laboratory and pilot scale ore dressing equipment for Mining and Mineral Processing Industry. Our aim is to work together with Mines, Mineral Beneficiation Plantsfor helping to reduce the operating cost ,to improve the operating efficiency.