Cement grinding roller with bionic coupling wear-resistant surface layer and preparation method thereof

A cement grinding and wear-resistant layer technology, applied in grain processing and other directions, can solve the problems of low repair processing efficiency, difficult material processing, large repair processing volume, etc., to promote the growth of the national economy, wear resistance and powder. The effect of improved grinding effect and simple manufacturing process

Inactive Publication Date: 2012-01-04
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Materials with super strength, high toughness and high wear resistance are difficult to process, and the amount of repair processing

Method used

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  • Cement grinding roller with bionic coupling wear-resistant surface layer and preparation method thereof
  • Cement grinding roller with bionic coupling wear-resistant surface layer and preparation method thereof
  • Cement grinding roller with bionic coupling wear-resistant surface layer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] see figure 1 , a cement grinding roller with a convex hull bionic coupling wear-resistant surface layer, the core material is 45 medium carbon steel, and the transition layer of the grinding roller is high-chromium and high-manganese austenite with different components (wt%) according to three different thicknesses Body welding material surfacing welding.

[0039] The surface of the grinding roller is processed into three bionic coupling strengthening layers with convex hulls with different sizes and distributions by surfacing welding technology. Its material is high chromium cast iron wear-resistant welding wire with different components (wt%).

[0040] The material composition of the wear-resistant layer is the same as that of the bionic coupling strengthening layer, and is made of welding material surfacing according to three different thicknesses of the wear-resistant layer.

[0041] The parameters of the transition layer, wear-resistant layer and bionic coupling ...

Embodiment 2

[0045] see figure 2 , cement grinding roller with striped bionic coupling wear-resistant surface layer, the core material is 45 medium carbon steel, and the transition layer of the grinding roller is high chromium and high manganese austenite with different components (wt%) according to three different thicknesses Welding materials are surfacing.

[0046] The surface of the grinding roller is processed into three bionic coupling strengthening layers with stripes of different sizes and distributions by surfacing technology. Its material is high chromium cast iron wear-resistant welding wire with different components (wt%).

[0047] The material composition of the wear-resistant layer is the same as that of the bionic coupling strengthening layer, and is made of welding material surfacing according to three different thicknesses of the wear-resistant layer.

[0048] The parameters of the transition layer, wear-resistant layer and bionic coupling strengthening layer of the bio...

Embodiment 3

[0052] see image 3 , a cement grinding roller with corrugated bionic coupling wear-resistant surface layer, the core material is 35 medium carbon steel, and the transition layer of the grinding roller is high chromium and high manganese austenite with different components (wt%) according to three different thicknesses Welding materials are surfacing.

[0053] The surface of the grinding roller is processed into three bionic coupling strengthening layers with corrugations in different sizes and distributions by surfacing technology. Its material is high chromium cast iron wear-resistant welding wire with different components (wt%).

[0054] The material composition of the wear-resistant layer is the same as that of the bionic coupling strengthening layer, and is made of welding material surfacing according to three different thicknesses of the wear-resistant layer.

[0055] The parameters of the transition layer, wear-resistant layer and bionic coupling reinforcement layer o...

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Abstract

The invention relates to a grinding roller for cement powder grinding, in particular to a cement grinding roller with a bionic coupling wear-resistant surface layer and a preparation method thereof. Simulating a natural biological coupling wear-resistant principle, the bionic coupling wear-resistant surface layer consists of a bionic coupling strengthening layer, a wear-resistant layer arranged at the lower part of the strengthening layer and a transition layer, wherein the bionic coupling strengthening layer is formed by a cooperative combination of a millimeter-level convex hull, stripe, ripple, grid or squama-shape non-smooth form with an embedded-type structure. The preparation method comprises the following steps of: firstly preparing the transition layer on a parent substance surface of a core part material by using a flux-cored wire electric-arc surfacing method, wherein the thickness of the transition layer is 10-25 millimeters; then changing welding materials and further surfacing the wear-resistant layer on the surface of the transition layer, wherein the thickness of the wear-resistant layer is 5-15 millimeters; and finally preparing the bionic coupling strengthening layer. According to the cement grinding roller and the preparation method provided by the invention, the coupling among the grinding roller surface form, the structure, the soft-hard alternated organization and the materials is realized; the surface wear resistance and grinding effect are significantly increased; and compared with a smooth surface grinding roller with the same substrate material, the service life of the bionic coupling grinding roller is increased by 1.5-3 times.

Description

technical field [0001] The invention belongs to a grinding roller for cement grinding. Background technique [0002] With the rapid development of my country's industrial modernization and urban economy, the cement industry, one of my country's basic industries, has also developed rapidly. At present, my country's total cement output has accounted for more than 30% of the world's total cement output. For more than 20 years in a row, the annual growth rate of my country's total cement output has remained above double digits, ranking first in the world both in terms of growth rate and total output. At the same time, my country is also a big exporter of cement. According to reports, the Asian cement trade volume accounts for about 40% of the world's total cement trade volume, while my country accounts for 30% to 40% of the total cement export volume in Asia. It can be said that my country has become a veritable cement power in the world. Not only that, judging from the curre...

Claims

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Application Information

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IPC IPC(8): B02C4/30B02C15/00
Inventor 任露泉呼咏张志辉周宏任振安邱小明丛茜孙大千
Owner JILIN UNIV
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