High-efficiency ceramic grinding roller and ceramic lining plate

A ceramic lining plate and ceramic technology, which is applied in the field of high-efficiency ceramic grinding rollers and ceramic lining plates, can solve the problems of insufficient output of coal mills, increase energy consumption, affect boiler combustion, etc., so as to reduce power consumption, increase output, and prolong use. effect of life

Inactive Publication Date: 2017-02-15
张弘
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The wear of the grinding parts of the coal mill will cause insufficient output of the coal mill, which will not only increase energy consumption, but also affect the combustion of the boiler

Method used

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  • High-efficiency ceramic grinding roller and ceramic lining plate
  • High-efficiency ceramic grinding roller and ceramic lining plate
  • High-efficiency ceramic grinding roller and ceramic lining plate

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] Referring to each figure, a high-efficiency ceramic grinding roller and a ceramic lining plate, the ceramic grinding roller and the ceramic lining plate form a relatively moving grinding mechanism, and the ceramic grinding roller includes a grinding roller base 3, an adhesive layer 2 and a composite ceramic layer 1. The ceramic liner includes a liner base 4, an adhesive layer 2 and a composite ceramic layer 1; the material of the composite ceramic layer 1 is one of silicon carbide, silicon nitride, tungsten carbide, alumina and zirconia The adhesive layer 2 is an adhesive with high temperature resistance and strong viscosity; the grinding roller base 3 is made of metal; the liner base 4 is made of metal The composite ceramic layer 1 of the ceramic grinding roller is assembled from ceramic modules, and gaps that can increase the friction of the ceramic surface are formed between the ceramic modules.

[0028] The existing grinding rollers of coal mills are mostly made of ...

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Abstract

The invention belongs to the technical field of coal mill equipment, and particularly relates to a high-efficiency ceramic grinding roller and a ceramic lining plate. A grinding mechanism with the relative movement function is formed by the ceramic grinding roller and the ceramic lining plate. The ceramic grinding roller comprises a grinding roller base body, an adhesive layer and a composite ceramic layer. The ceramic lining plate comprises a lining plate base body, an adhesive layer and a composite ceramic layer. Materials of the composite ceramic layers are formed by one or more of silicon carbide, silicon nitride, tungsten carbide, aluminum oxide and zirconium oxide in a compounded mode. The adhesive layers are adhesives resistant to high temperature and high in viscidity. The grinding roller base body and the lining plate base body are made of metal. The composite ceramic layer of the ceramic grinding roller is formed by splicing ceramic modules. Gaps capable of increasing the surface friction force of ceramic are formed between the ceramic modules. The high-efficiency ceramic grinding roller and the ceramic lining plate are simple in structure, reasonable in design, high in hardness, long in service life, economical, practicable and easy to apply and popularize on a large scale, and the cost is reduced.

Description

[0001] Technical field: [0002] The invention belongs to the technical field of coal mill equipment, and in particular relates to a high-efficiency ceramic grinding roller and a ceramic liner. [0003] Background technique: [0004] The coal pulverizer is the key equipment for crushing the material after it is crushed. The coal pulverizer is widely used in coal powder equipment in thermal power plants, steel plants, cement plants and large-volume powder production of coal gangue. There are many types of coal mills, which can be divided into three types according to the speed of coal grinding working parts, namely low-speed coal mills, medium-speed coal mills and high-speed coal mills, of which the speed of medium-speed coal mills is 50-300 rpm / points, more types. The common ones are flat disc mill, bowl mill, E-type mill and roller mill. Their common feature is that the grinding parts are composed of two groups of relatively moving grinding bodies. The coal block is squee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C15/00
CPCB02C15/003B02C15/004
Inventor 闫百涛杨大勇李天华申晓光王跃成
Owner 张弘
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