Monthly Archives: August 2012

Manganese Ore Grinding Plant

kefidchina | August 29th, 2012
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Manganese ore crushing equipment, manganese ore grinding line, manganese ore dressing plant are common seen in manganese ore processing industry. Manganese ore is hard and very brittle ore. And manganese is an important element in modern industry, so how to choose equipment and design suitable manganese ore processing equipment become more and more important.

Manganese Ore Processing Flow

As we all know, manganese ore have different application, so there have many types of manganese ore processing technology. Such as use manganese ore crushing plant to crush manganese ore into small size; use manganese ore grinding plant to processing manganese ore to powder, use manganese ore washing plant to clean manganese ore, use manganese ore beneficiation plant to processing manganese ore powder and get high grade manganese, etc. These processing technology are chose according customers’ different requirement, Kefid can provide you with these manganese ore processing plant and equipments used in the plant, can also design suitable plant and complete technical support.

Manganese Ore Grinding Equipment

In manganese ore grinding line, grinding mill is the important machine. Such as vertical grinding mill, super thin mill, MTW grinding mill, ball mill and so on. Among these grinding machines, the vertical grinding mill machine is crucial equipment for grinding manganese ore. It is grind manganese ore into different type of powder and has large capacity. For a complete manganese ore processing plant, there also need small jaw crusher, elevator, powder collector machines. Sometimes, manganese are needed in order to get high grade manganese element.

Manganese Ore Grinding Plant

For further manganese ore grinding, there is grinding manganese mill, kefid have more than 20 years of study and tough work within the style and manufacturing, vertical roller mill following many years of continuous improvement, has been inside the mining, chemical, metallurgical as well as other industry has a wide range of applications. Kefid large capacity vertical grinding mill will probably be your very best selection, this type of grinding machines applies many national newest grinding machine patented technologies, the modern design and structure are reasonable, the area is small, electricity consumes, the service life lowly long, and vulnerable construction cost is low, performance-to-price ratio higher characteristic. Some times, there will use manganese beneficiation machines, customer can choose different manganese ore beneficiation machines or manganese ore flotation equipments according need. Need more technical support, please be free to contact our online chat service.

Category: Grinding Plant Cases

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Kefid Will Attend Worldwide Exhibitions

kefidchina | August 27th, 2012
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From September to Decemeber, Kefid company will attend some worldwide exhibitions, we invite you to attend, you can get a further understand of us when you at these exbitions. You are warmly welcome to pay a visit. At the appointed time, we can make 1%- 5% discount for you if you sign a contract on the show. If you are interested in stone crushing and grinding machines, please seize the chance.

Kefid will attend the Minexpo International 2012 in America

Kefid Machinery will attend the Minexpo International 2012 in America during September 24-26th, 2012. Our booth NO is 967.

Date: September 24-26th, 2012

Location: Las Vegas Convention Center

Booth NO.: 967

Kefid will attend the EXPOMINA PERU 2012 in Peru

Kefid Machinery will attend the EXPOMINA PERU 2012 in Peru during September 12-14th, 2012. Our booth NO is B99. You are warmly welcome to pay a visit.

Date: September 12-14th , 2012

Location:  Centro de Exposiciones Jockey

Booth NO.: B99

Kefid will Attend the Bauma China 2012 in Shanghai

Kefid Machinery will attend the Bauma China 2012 in Shanghai during November, 27th-30th 2012. You are warmly welcome to pay a visit.

Date: November 27-30th , 2012

Location:  Shanghai New International Expo Centre (SNIEC)

For more information, please contact our 24 hours online chat service!

Category: News Of Kefid

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Development of Cone Crusher Industry

kefidchina | August 24th, 2012
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Cone crushers are widely used in modern building and construction, but the design of cone crusher progress has roughly 60 years remains unchanged. More reliability and higher production have been taken into consider in cone crusher machines design, but this design generally remain unchanged. The maximum change aspect of cone crusher is the improvement of the rotational speed. About fifty years ago, a 48-inch (120 cm) cone crusher can produce gravel stone of 160 tons per hour, the same size cone crusher in modern can produce about 280 tons per hour. The improvement of cone crusher processing capacity derived from the increase in speed and better grinding chamber design.

The greatest advance in cone crusher development is the application of hydraulic technology. The cone crusher hydraulic system can protect against non-smash items into the crushing chamber. For example, iron and steel can cause a large area of the cone crusher damage, and caused more cost consumed in the production. The progress of the hydraulic system greatly reducing downtime and improve the using life of cone crusher machines. So the hydraulic cone crushers are gradually get quarry site customers’ favor, such as cone crusher in China, cone crusher in India, cone crusher in Africa, cone crusher in South America, etc.

Recently, laminated technology is applied to the design of the cone crusher at home and abroad. Most cone crusher manufacturing or company have made remarkable research and develop the modern high-energy cone crusher which set of high-wobble, optimizing the cavity shape and reasonable stroke in one body. Kefid is a China leading cone crusher manufacturing experts, its hydraulic cone crusher, spring cone crusher, multi-cavity cone crusher are all use these technology and widely used in stone crushing or ore broken industry.

Some developed industrial countries have invested a lot of money in research and development of cone crushers. During about five decades, the development of cone crusher has been entered into a comprehensive application and process improvement stage from material preparation and performance of the development phase. Countries that attach importance to the cone crusher development have gotten the benefit. In future, the cone crusher technical development and cone crusher application still has vast overseas market.

Information of cone crusher:

Cone crushers  are the important crushing machines in stone crushing industry. China Kefid company is a leading manufactuer in cone crusher design and making with over 20 years experience.  We have four types cone crusher: CS Cone Crusher, HC Cone Crusher, HP Cone Crusher and Spring Cone Crusher, which are widely used to crush various mineral stones and bulk materials to medium size.

Category: News Of Industry

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Sand Making Machines & Plant

kefidchina | August 18th, 2012
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Sand is the most important material, which is widely used in building, construction, highways, concrete, etc. Generally, sand includes natural sand and machine made sand. As we all now, there have a large demand of sand, and natural sand can not meet the demand, so the substitution of machine made sand to natural sand has become a steady tendency. Kefid sand making machines have exported to Asia, America, Europe and Africa, and our sand crusher particularly used in Indonesia, Chile, India, Kazakhstan, Nigeria and so on.

Sand making machines

Machine-made sand are processing from large stone, such as limestone, marble, granite and other stone. Stones that used as sand less than 4 mm. But the raw stone usually have the size from 4mm to 700 mm. So the limestone crusher, marble crusher and granite crusher are used in sand making line.
Equipments used in sand making flow have many types, but customer can choose the suitable one according the different factors. Jaw crushers are used to processing large size to small size. Impact crushers are used to processing stones that are not very hard and easy to impact to sand. Cone crushers are used to processing materials like granite which is harder. But if the raw materials are not very large, such as the river stone, they can be directly feed into sand making crusher ( the max input size of Kefid VSI crusher are 45mm ) and not need to use jaw crusher or impact crusher..
In order to design a complete sand making plant, many other optional equipments needs to equipped with. We recommend you with Kefid vibrating feeder, vibrating screen, belt conveyor, sand washing machine, etc.

Sand making flow

Raw stones are first feed into jaw crusher via vibrating feeder for crushing, and then the elementary stones are transferred via the belt conveyor to the secondary crushing machine ( impact crusher or cone crusher ) for secondary crushing. After this, Kefid vibrating screen machines separates the small size stones into two kinds. The one suitable the standard of the VSI Crusher ( sand making crusher ) will be conveyed to the sand making machine and become final sand after being washed by the sand washing machine. The other one will return to the secondary crushing machine for recrushing.

Three types of sand making flow :

Type one: vibrating feeder + jaw crusher + cone crusher + vibrating screen + VSI crusher + sand washing machine
Type two: vibrating feeder + jaw crusher + impact crusher + vibrating screen + VSI crusher + sand washing machine
Type three: vibrating feeder + VSI crusher + vibrating screen+ sand washing machine

Kefrid company offer the professional sand making line for you. We have more than 20 years experience and hundreds of plant designing for global customers. Our sand making plants are featuring with low operation cost, high crushing ratio, low power consumption, high capacity, the size of the finished product in good shape, which can meet the national standards and various specific requirements. Please contact for more support.

Category: Sand Making Plant

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Gypsum Ore Crushing & Grinding Plant

kefidchina | August 16th, 2012
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Gypsum is a common and important mineral, it is deposited from lake and sea water, as well as in hot springs, from volcanic vapors, and sulfate solutions in veins. Gypsum is a very soft sulfate mineral composed of calcium sulfate dihydrate. It is the second softest mineral on the Mohs scale of mineral hardness.

Gypsum Ore Processing Equipment

The first step should be gypsum ore mining, then we can processing these ore to industry material. In mineral ore process industry, gypsum mining equipments including gypsum ore crusher, gypsum grinding mill and other gypsum processing equipments.

Gypsum have been applied in many industries, such as cement processing, paper making, painting materials, wall decoration and soil concentration and so on. So in order to provide different type of gypsum powder, customer should choose the equipments that can meet their requirement. China Kefid company is professional company in gypsum ore mining, gypsum ore crushing and gypsum ore powder making, we can provide you with the suitable equipments.

Gypsum Ore Crushing

Gypsum ore crusher is the important crushing machines in gypsum ore process. These crushers are used to crush large size of gypsum ore into small particles for next step. Gypsum ore crusher consist of primary jaw crusher, secondary jaw crusher or impact crusher, some times there also use cone crushers. These equipments can be used in one complete gypsum crushing and screening plant. Capacity of which is from 10 TPH to 1000 TPH.

Vibrating feeder send gypsum ore in to primary jaw crusher, feeding size is 125mm~750mm. if the output size is still large, secondary jaw is needed to recrush the screened material. Other gypsum stone will be send to cone crusher or impact crusher, which can decrease the grain size down to 20mm. In this process, gypsum vibrating screen is the perfect ore screening equipment, and gypsum vibrating screen assists to purify gypsum quarry from soil and other impurity. Gypsum belt conveyor is rubber belt conveyor which is the perfect choice for gypsum ore crushing plant.

Gypsum Ore Grinding

Gypsum ore grinding machines is needed if customer wants to get small size of gypsum or gypsum powder. There are many types of gypsum grinding mill for customers choosing. Kefid is a leading company in making and supply the best mineral ore grinding machines, we can choose ball mill, super thin mill, vertical grinding mill, raymond mill, trapezium mill, hammer mill, high pressure grinding mill for your gypsum grinding plant according to different application.

Kefid grinding machines’ capacity from 1 ton to 150 ton per hour, which have low operation cost, less metal wear, high grinding efficiency and stable products quality and even products shape. The final products fineness is from 50 mesh to 3000 mesh. By now, about ten gypsum ore grinding plant have been installed in domestic and foreign country, if you need more technical support, please contact us for more help.

Category: Grinding Plant Cases

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Aggregate Processing Equipment Choice

kefidchina | August 13th, 2012
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Aggregate processing is very important in material crushing and grinding. As we all know, aggregate is that a component of a composite material used to resist compressive stress. Such as aggregate materials used in construction, including sand, gravel, crushed stone, slag, or recycled crushed concrete.

Aggregate plant introduction

In aggregate plant, there are usually including mineral material feeding, conveying, crushing, screening and transportation. Other operations are restricted to specific subcategories. These processes include wet and dry fine milling or grinding, air classification, drying, mixing. Here are some information about equipments and how to choose suitable equipments.

Aggregates are the raw materials for construction and building. In construction industry, aggregate can be divided into two coarse type and fine type. Coarse aggregates are particles greater than 0.19 inch, but generally range between 3/8 and 1.5 inch in diameter. Gravels constitute the majority of coarse aggregate used in concrete. Fine aggregates generally are consist of natural sand or crushed stones with most particles passing through a 3/8 inch of vibrating screen machines.

Aggregate Crushing Process

The operation of aggregate crushing is the processes of dealing and processing of nonmetallic mineral materials for construction industry. Nonmetallic mineral material will be first mined and conveyed to the processing plant for further classification, or further size reduction by aggregate crushing process. In the crushing plants, how to choose and use suitable aggregate processing equipments is very important. They produce fine and even particle size for next processing stages. Aggregate crushers in the process include portable crusher, jaw crusher, impact crusher, cone crusher, roller crusher and so on.

Aggregate Processing Equipments Choice

Kefid company is a China leading manufacturer and supplier in aggregate processing equipments. We always focus on developing new technology and create more wealth for our customers. Our aggregate processing equipments are including mineral ore mining, raw material crushing and grinding, and produce fine aggregate and coarse aggregate for different construction applications. By now, our aggregate processing equipments used in india, aggregate plant running in Africa, aggregate processing equipments sell to south America, and so on. We are waiting for your consult for more information.

Category: Crushing Plant Cases

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Mobile Crushing Plants operated in Papua New Guinea

kefidchina | August 11th, 2012
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A few months ago, three sets of Kefid mobile crushing plants with a value of about USD 700,000 are delivered to Papua New Guinea from Zhengzhou Kefid Machinery Co., Ltd. Now, the three sets of mobile crushing plant are installed and debugged by our technical engineers, then successfully get into operation. The YG series mobile crushing plant is the professional crushing plant which is more convenient and flexible to move for crushing. It will bring the mineral stone crushing industry into a new era and it will bring more benefits to our customers.

Zhengzhou Kefid Machinery Co., Ltd. is a leading manufacturer of crushing and screening plant and grinding plant in China, who is professional in researching, designing and applying advanced technology into mineral processing machinery. The equipments strictly manufactured by Kefid are sold to all over the world, with a fantastic reputation in our customers. With the faith of “Designing and Manufacturing Excellent Crushers”, KEFID will go to more and brighter future, and bring more and more benefits to the customers in the whole related industry.

Information of Kefid Mobile Crushing Plant ：

Kefid explores and develops this series mobile stone crushing station (portable crusher), which is the crushing equipments for rocks and construction waste, and expands the conception of primary and secondary crushing operation. Kefid leads the way with state-of-the-art track-mounted and wheel-mounted crushing plants. Now we have five type crushing plant: Crawler Mobile Crusher, Mobile Jaw Crusher, Mobile Impact Crusher, Mobile Cone Crusher, Mobile VSI Crusher.

Category: News Of Kefid

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Hard Material Ore Crushing Craft

kefidchina | August 8th, 2012
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Stone crushing is generally determined by several factors :

1,The type of raw materials (it is limestone or it is greater hardness of granite,basalt)

2,The hardness of materials( it is mainly the percent of silicon content and water content)

3,The size of the raw materials and the size of the final product

4,The processing capacity

Granite, basalt, river gravel or other hard materials with high silicon are all difficult to break and will result a high crushing cost in the actual operations. Generally speaking, basalt is a hard and rather tough material, granite is hard and frail while the river gravel is relatively lower hardness but the highest silicon content. Therefore, when considering crushing the hard materials like these, we must take full accounts of the production line investment cost and practical issues with the purpose of obtaining maximum benefit return on investment.

During actual operations, if the materials we want to process are limestone or other low hard materials, the jaw plate of jaw crusher wears and tears very lightly, so we can see the common phenomenon that a jaw plate can keep operating one year without any replacement. Not only the low hardness of the limestone but also the low silicon content. So the abrasion of wear spare parts is reduced greatly.

However, when raw material is basalt, granite or other hard material, the jaw plate, hammer, impact plate and other quick spare parts will wear and tear badly. At the time, if the configuration of production line is still according to conventional regulations that jaw crusher as the primary machine and impact crusher as secondary machine, the maintenance cost rises greatly and that is very unreasonable for us. So we need to improve the crushing craft, we can adopt two jaw crushers and one cone crusher consisting a production line. Moreover, if the quality of final product size we expect is very high, one impact crusher can be added to shape. The craft with three sections crushers will inevitably lead to a higher investment cost, but for the long-term operation quarry, the producing cost reduces substantially.

Three different configurations ：

Option one: vibrating feeder + jaw crusher + impact crusher + vibrating screen

Option two: vibrating feeder + jaw crusher + small jaw crusher + impact crusher ( option or not) + vibrating screen

Option three: vibrating feeder + jaw crusher + cone crusher + impact crusher ( option or not) + vibrating screen

If you need more support, please feel free to contact with us, Kefid company will do our best for you.

Category: Stone Making Plant

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Ultrafine Mill Equipment New Technology

kefidchina | August 3rd, 2012
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Ultrafine powder raw material are widely used in now equipment manufacturing. How to processing ultrafine powder or how to choose suitable ultrafine grinding equipments is very important. And ultrafine powder raw material demand driven ultrafine mill equipment processing technology to enhance

With the economic and social development, construction projects have taken a pivotal position in the economic and social development. Throughout the whole world, infrastructure construction and large-scale construction projects are carried out in various countries. Modern engineering technology requires an increasing number of high-purity ultrafine powder, ultrafine grinding technology will play an increasingly important role in the new engineering technology. The general trend of development of non-metallic mineral materials is high purity, ultra-fine and functional. Company should take deep processing of raw non-metallic materials of high purity and ultrafine as the main development direction to comprehensive develop and utilize of a variety of non-metallic mineral.

The primary means of accessing ultra-fine powder is through mechanical crushing. Large size ore crushed into small size by jaw crusher, impact crusher, cone crusher and so on. Then the small size ore are sent into powder making machines, such as super thin mill or micro powder mill. But the ultra-fine grinding and classification technology is becoming increasingly difficult by mechanical preparation of ultrafine powder. So the development of ultrafine grinding technology is becoming increasingly evident. Grinding mill with the performance of high efficiency, low energy, high-tech is more and more get company’s concern. Auxiliary equipment of ultra-fine grinding equipment, such as fine grading equipment and other ancillary equipment are also got the importance of non-metallic mineral processing enterprises.

Non-metallic mineral processing demand is gradually increasing. Under the national energy saving and environmental protection policy, the ultra-fine powder processing equipment requirements will become more and more stringent. And it also has more demand on the technology of ultra-fine grinding equipment and grading. Company need to develop high High-tech grinding equipment so as to meet the needs of the market.

Category: News Of Industry

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