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Wear and corrosion resistant lining coating for wet desulfurizing and dedusting device

A technology of anti-corrosion coating and dust removal device, applied in the separation of dispersed particles, chemical instruments and methods, separation methods, etc. grinding effect

Inactive Publication Date: 2010-10-06
天津市环发机械净化设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are many kinds of corrosion-resistant materials on the market, with different properties and uses, but there are not many coatings that can meet the conditions of high temperature resistance, strong acid atmosphere, flowing medium, particle erosion, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment

[0007] Specific embodiments: take 200 grams of the wear-resistant and corrosion-resistant coating lining the wet desulfurization and dust removal device of the present invention as an example.

[0008] Its specific configuration process is:

[0009] 1) Mix 100 grams of cast stone powder, 5 grams of sodium fluorosilicate, and 3 grams of lead monoxide evenly, pay attention not to have dry lumps, and sieve if necessary;

[0010] 2) Add 60 grams of quartz sand for dry mixing;

[0011] 3) After the above mixture is mixed evenly, add 32 grams of water glass for wet mixing. The amount of water glass should not be too large. Mix until it is kneaded into a ball with your hands, and when you let go of your fingers, it will disperse into several pieces, and it will become a block , that is, ready to use.

[0012] Construction methods:

[0013] 1) Before construction, it is necessary to set up structural measures for connecting the lining coating on the inner wall of the wet desulfuriz...

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PUM

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Abstract

The invention relates to a lining coating for a wet desulfurizing and dedusting device, in particular to the wear and corrosion resistant lining coating for the wet desulfurizing and dedusting device. The coating is characterized by comprising the following components by weight: 40%-80% of glass-ceramic powder, 1%-7% of sodium fluosilicate, 1%-4% of lead monoxide, 25%-60% of quartz sand and 30%-40% of water glass. The lining coating has the beneficial effects that by adopting the technical scheme, the lining coating has the advantages of good wear and corrosion resistance, low cost, reduced maintenance and prolonged service life.

Description

technical field [0001] The invention relates to a lining coating of a wet desulfurization and dust removal device, in particular to a wear-resistant and corrosion-resistant coating for the inner lining of a wet desulfurization and dust removal device. Background technique [0002] In addition to generating SO when coal is burned 2 In addition, a small amount of SO 3 , NO X , HCl, HF and other gases, since the flue gas contains water (4-12%), it can form H in an instant 2 SO 4 , HCl, HF and other strong corrosive acidic solutions. At the same time, the flue gas containing soot passes through the equipment and pipes at high speed, and contacts with the absorption liquid in the absorption tower of the desulfurization device, causing serious wear and tear on the equipment. Moreover, the inner cavity of the absorption tower is often in a humid and hot environment of 45-70°C. It can be seen that the wet dust removal and desulfurization system is in a harsh environment with s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/48
Inventor 万古盘
Owner 天津市环发机械净化设备有限公司