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vertical coal mill

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Place of Origin: China

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Keyword: coal mill, vertical coal mill, coal verticalmill, vertical roller mill for coal

Category: Grinding Equipment

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Great Wall Steel Casting Company

Membership: BIZ

Country / Year Established: China / 1958

Business type: Manufacturer

Verified Certificate: 9

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PRODUCT DESCRIPTION COMPANY INFORMATION Related Products

Product name	vertical coal mill	Certification	-
Category	Grinding Equipment	Ingredients	-
Keyword	coal mill , vertical coal mill , coal verticalmill , vertical roller mill for coal	Unit Size	-
Brand name	-	Unit Weigh	-
origin	China	Stock	-
Supply type	-	HS code	-

Product Information

　I: Product Profile

　　Vertical Coal Mill, also known as coal mill, for superfine grinding of raw coal, soft coal specifically for cement, power plant, steel mill and other fields. Its special design structure and production process creates the higher production efficiency with lower energy consumption, less dust, lower noise than ball mill, which meets national standard of energy saving industry. Greatwall Machinery’s Vertical Coal Mill technology reaches the international advanced level, and its manufacturing quality reaches the leading domestic level, and is the preferred equipment for grinding raw coal and soft coal.

　　II Process flow

　　1. Raw coal from the yard are conveyed through screen to belt conveyors. The raw coals after iron removal by electromagnetic separator are put into the warehouse for storage.

　　2. After grinding system has started, please turn on the rod valve in the bottom of raw coal storage, and start sealing measuring belt to coal mill, then raw coal will be dryed and ground in the vertical coal mill.0608454165.jpg

　　3.The mixture of hot air or waste gas of cement production line are sucked into Vertical Coal Mill, under blower’s function. After complete heat exchange with ground coal, the coal powder are brought to separator for separation. The unqualified coarse coal powder falls to the grinding table for regrinding. The qualified coal powder will be collected with the airflow into the anti-explosion impulsive dust collector, through the grid wheel are discharged into pulverized coal storage.

　　4 The debris of raw coal, such as coal gangue, metal block, etc. will be discharged through the wind ring, discharge hole.

　　Three, product advantage

　　1 Complete function, perfect performance.

　　As a professional manufacturer with nearly 60 years manufacturing experience, Greatwall Machinery keeps proceeding optimization and upgrading products and adopts the most advanced Japanese UBE technology, integrates crushing, drying, grinding, grading, transportation and other functions into one system. The improved function of vertical coal mill reduces customers’ investment on related auxiliary equipments, but also enhances the systematicness.

　　2. High grinding efficiency, low operation cost

　　Coal mill adopts directing grinding with roller on top of grinding table for direct grinding, with high grinding efficiency, low energy consumption and guaranteed product. With continuous development of vertical mill technology, the roller route design is perfect, and it forms material layer easier than ordinary vertical roller, the required product fineness and improved capacity can be reached. Meanwhile, application of high quality wear-resistant material increased its stability, and reduces the abrasion, so as to ensure continuous operation of production line.

　　3 High quality final product.

　　It adopts the material layer grinding principle to guarantee product fineness.

　　GRMC series coal mill adopts the most advanced dynamic and static combined separator, which has high classification efficiency, large adjustment scope, and can meet fineness requirements of 0.08 mm with retained percentage below 3%, can meet requirements for fault coal or anthracite in majority cement production lines.

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　　4 Energy-saving, environment protection.

　　As a professional coal mill manufacturer, Greatwall Machinery provides customers with high quality coal mills, but also pays more attention to environmental protection. Greatwall Machinery Vertical Coal Mill with advanced grinding mode, so that energy consumption is reduced by 30%～40% compared with that of ball mill. Due to its unique sealing structure design, the whole system is under negative pressure, so there is no dust in the production process, noise. It is an environmental protection coal- grinding equipment.

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Great Wall Steel Casting Company

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Country / Year Established: China / 1958

Membership: BIZ

Business type: Manufacturer

President: wangjizhong

Address: Mengzhuang Town, Huixian City, Henan Province, China

Product Category: Drying Equipment,Grinding Equipment

Year Established: 1958

No. of Total Employees: 1001-2000

Company introduction

Covering an area of 330,000 m² and having more than 1,100 employees, the company has a total asset of CNY 500 million and has passed ISO9001:2008 quality management system authentication and is a main specialized supplier for manufacturing large scale kiln mill. Possessing the experience of equipment manufacturing for more than half a century, the Company has formed the perfect operation and management system in design and development, product manufacturing, market promotion, equipment installation and after sales service. The Company once won the honors of High Growth Private Enterprise of Henan Province, The Top 100 Suppliers of China’s Cement Industry in 2012, The Top 10 Innovative Enterprise of China’s Cement Industry in 2012 and so on.

The company now has over 500 sets of various machining equipments. The main equipments include Φ10m Russian Double Column Heavy Vertical lathe and Φ10m gear hobbing machine produced in Russia, T6920 boring and milling machine produced in Czech, WIISTNC120 × 3000 type upper roller numerically controlled universal lapping machine, Φ6 .3m × 20m cylinder lathe, the largest and the most advanced 6m × 6m× 16.5m cylinder integral electric heating automatic-controlled annealing furnace in domestic machinery industry, five 150t automatic submerged arc welding production lines, about 50sets of 150t, 100t and 75t,etc overhead travelling cranes and 2 sets of 30t alkaline arc furnace. The specifications of the equipments are complete with advanced technology, and the company has formed powerful whole set processing capacity with annual processing capacity of 80000t.

The main products are:

GRM series raw material vertical mill, cement mill that can cater to below 10000t/d cement production line, and the series slag vertical mills with annual production capacity of 0.3 million ton, 0.6 million ton and 1.0 million ton.

Φ4.8m×74m、Φ4.5m×66m、Φ4.3m×66m、Φ4.2m×60m series of NSP rotary kiln
Φ4.2m×13m cement grinding mill and other ball mills
Rod mill and trellis pattern overflow mill for coal chemical industry and alumina industry; and the relevant supporting equipments for cement production lines.

The company’ s large foundry base, main plant building area covers 25000 m² with annual production volume of 50000 ton, and the weight of single product can reach 120 ton, enjoys advanced technology and equipments, and is the largest steel-casting base in the north of Henan Province, PRC.

Since the first ball mill produced in 1968, the company has produced more than 2600 sets of mills and rotary kilns in various specifications, and the products are sold to each provinces of China, and exported to America, Russia, Japan, Brazil, India, South Korea, Vietnam, Kenya, Iran and others, enjoys high market reputation.

Great Wall Company would like to join hands with our old and new customers and friends from home and abroad, carry out good faith cooperation and create brilliant together. We welcome friends from all circles to visit for investigation and guidance.