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    10 t/h limestone grinding powder production line in Nanchuan, Chongqing With the increasing of environmental protection problems, the government has adopted more strict measures to rectify the...
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    Analysis on Development Prospect of Raymond Mill in Calcium Silicate Board Market Speaking of the development prospect of Raymond mill in calcium silicate board market, someone might show doubt about th...
    Industrial milling machines enters into agriculture fertilizer market and contributes to agricultura Industrial milling machines take important position of production and process in agricultural development and are indisp...
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    Which mill has higher investment values and good development prospect? Engineering project investment is not a little thing no matter for the individual or the enterprise and it needs to take...
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    Project DackgroundBauxite is a kind of high quality fireproof material, it can also be used for aluminum smelting, and i... MORE>>
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    Project BackgroundIn Decmeber, 2016, we made a 200 t/h basalt crushing production line for a customer in India. The out... MORE>>
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    Project BackgroundThe process of copper beneficiation line is relatively simple. Raw materials are crushed before the gr... MORE>>
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    Project BackgroundRiver pebble is a natural stone taken from tore which is formed by uplifted ancient river bed through ... MORE>>
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    Limestone Product IntroductionLimestone’s main component is calcium carbonate(CaCO₃)and its hardness is 3-4 in Mohs. Lime and lime...
    Calcite Product Introduction   Calcite is widely distributed. Its hardness is 2.7~3.0, and the weight is 2.6~2.8. It’s...
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    Pebble Product Introduction  Pebble is the product of yellow sand mining. It is named after a goose egg. The pebbles,...
    Coal Gangue Product IntroductionCoal gangue is a solid waste discharged from the process of coal mining and coal washing. It is a da...
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    Gold ore Product Introduction Gold ore is a mineral that contains gold or gold compounds. Gold ore resources in China are ab...
    Molybdenum Ore Product Introduction Molybdenum metal is a very important metal, which is known as war metal. With high strength, h...
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High Pressure Mill

High Pressure Mill


【Feed Size】 <  35mm

【Finished Product Size】 0.033~1.9mm

【Capacity】 0.4~35t/h

High pressure suspension roller mill whose difference is addition of high pressure spring mechanism resulting to wider application range, finer powders and higher grinding efficient. High pressure suspension roller mill is a high-efficiency and energy-saving mill and has been widely used in material processing field involving mining, construction, metallurgy, etc. 

High pressure suspension roller mill is used to process non-inflammable and none-explosive materials with Mohs hardness less than 9.3 and humidity under 6%.

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High Pressure MillHigh Pressure Mill Higher capacity under same driving force

Its capacity increased by 10-20% under same driving force compared to other mills and its 

rolling pressure to materials by grinding rollers increased by 800-1200kg with the function of 

high pressure spring.


High Pressure Mill Adjustable powder size and finer products granularity

The machine has wider powder size range adjustable from 30 to 1000 mesh and most final 

products size is 0.033mm (425mesh) with a finest size of 0.013mm (1000mesh).


High Pressure Mill Convenient maintenance, reliable air tightness and good dust removal effect

 It’s convenient to adjust the analyzer; the grinding device adopts overlap and multilevel 

sealing ensuring superior sealing performance; besides, the mill completely meets the national 

dust emission standards.



High Pressure Mill

High Pressure Mill Brief Introduction

High pressure suspension roller mill, also called as Raymond mill, high pressure mill or suspension mill, is an upgradation of Raymond mill absorbing domestic and foreign successful experiences designed by our company. Addition of high pressure spring mechanism to the mill brings about wider application range, finer powders and higher grinding efficient. High pressure suspension roller mill is a high-efficiency and energy-saving mill and has been widely used in mining, construction, building material, water conservancy and hydropower, metallurgy and chemistry industries to grind and process materials, such as calcium carbonate, plaster processing, power plant desulphurization, non-metallic powder making and coal powder making, etc. 

High pressure suspension roller mill is used to process non-inflammable and none-explosive materials with Mohs hardness less than 9.3 and humidity under 6%, such as quartz, feldspar, calcite, limestone, talc, ceramics, marble, granite, dolomite, bauxite, iron ore, barite, bentonite, gangue, coal, etc.


High Pressure Mill Structural Composition

High pressure suspension roller mill package unit consists of host, speed reducer, analytical engine, duct device, blower, dust remover, jaw crusher, bucket elevator, electromagnetic vibrating feeder and electric control system, etc.


High Pressure Mill Working Principles


In the host, there is high pressure spring of 1000-1500kg pressure tightly fixed in the grinding roller hanger. When the mill is working, the grinding rollers rotate around the main shaft and are tightly against the grinding ring under high pressure spring force and centrifugal force, and its rolling force is 1.2 times higher than Raymond mills under same power so its yield has been improved greatly. After entered into the grinding chamber, the materials are spaded into the gap between grinding ring and grinding rollers by the blade to be ground; then the ground powders are blew into analytical engine and qualified powders enters into the cyclone collector along with the air current and are collected as the finished products while unqualified powders fall back for another grinding. The circulating air will repeat the above processes and the residual air enters into the bag filter for purification. Besides, when grinding ring and the grinding rollers are worn, the length of high pressure spring should be adjusted to keep the constant rolling pressure between the grinding ring and the grinding rollers and to ensure steady capacity and fineness.

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