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Phosphate wear-resistant paint and spraying method thereof

A wear-resistant coating and phosphate technology, which is applied in the field of phosphate wear-resistant coating and its spraying, can solve the problems of low adhesion rate and poor anti-scouring performance, and achieve high adhesion rate, good wear resistance and thermal shock stability , high temperature strength effect

Pending Publication Date: 2017-05-10
ZHEJIANG KINGCRED NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a phosphate wear-resistant coating and its spraying method, which can effectively solve the problems of low adhesion rate and poor erosion resistance of sprayed coatings in existing cement kilns

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A phosphate wear-resistant coating, comprising the following components by mass fraction: 12 parts of 3-5mm high-alumina bauxite, 25 parts of 1-3mm high-alumina bauxite, 10 parts of 0-1mm high-alumina bauxite, 0-1mm carbonization 12 parts of silicon, 16 parts of high alumina bauxite powder, 12 parts of aluminum hydroxide powder, 5 parts of Suzhou clay, 15 parts of calcined alumina powder, 2 parts of microsilica powder, 3 parts of oxalic acid, and 1 part of high alumina cement.

Embodiment 2

[0015] A phosphate wear-resistant coating, comprising the following components by mass fraction: 16 parts of 3-5mm high-bauxite, 18 parts of 1-3mm high-bauxite, 15 parts of 0-1mm high-bauxite, 0-1mm carbonization 6 parts of silicon, 28 parts of high alumina bauxite powder, 8 parts of aluminum hydroxide powder, 10 parts of Suzhou clay, 8 parts of calcined alumina powder, 5 parts of microsilica powder, 1 part of oxalic acid, and 2 parts of high alumina cement.

Embodiment 3

[0017] A phosphate wear-resistant coating, comprising the following components by mass fraction: 15 parts of 3-5mm high-alumina bauxite, 23 parts of 1-3mm high-alumina bauxite, 12 parts of 0-1mm high-alumina bauxite, 0-1mm carbonization 10 parts of silicon, 20 parts of high alumina bauxite powder, 10 parts of aluminum hydroxide powder, 8 parts of Suzhou mud, 10 parts of calcined alumina powder, 3 parts of silicon micropowder, 2 parts of oxalic acid, and 2 parts of high alumina cement.

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PUM

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Abstract

The invention discloses a phosphate wear-resistant paint which comprises the following components in parts by mass: 12-16 parts of 3-5mm high bauxite, 18-25 parts of 1-3mm high bauxite, 10-15 parts of 0-1mm high bauxite, 6-12 parts of 0-1mm silicon carbide, 16-28 parts of high bauxite powder, 8-12 parts of aluminum hydroxide powder, 5-10 parts of Suzhou sludge, 8-15 parts of calcined alumina powder, 2-5 parts of silicon micropowder, 1-3 parts of oxalic acid and 1-2 parts of high-alumina cement. The spraying method comprises the following steps: uniformly mixing the raw materials, adding the mixture into a spraying machine, adding a phosphoric acid solution, uniformly mixing, adding the phosphoric acid solution at the spray gun outflow, and carrying out spraying construction. The phosphate wear-resistant paint product has the advantages of favorable binding strength, high adhesive rate, high setting rate, high medium / high-temperature strength, favorable wear resistance, favorable thermal shock stability, favorable mechanical wear resistance and favorable erosion resistance, is convenient for construction, and can be widely used in discharge hoods, grate coolers, kiln tail smoke-box moon gates, cyclone burners, tertiary air pipes and other irregular positions.

Description

technical field [0001] The invention relates to a phosphate wear-resistant paint and a spraying method thereof. Background technique [0002] The spray coating is composed of refractory aggregate, powder, binder and admixture, and is a kind of unshaped refractory material constructed by mechanical spraying method using pneumatic tools. It can be used for building and repairing furnace lining and coating as a protective layer in cold state, and it is more suitable for repairing furnace lining in hot state. Spraying paint solves the problem that ordinary construction methods of refractory materials cannot be operated in complex or special-shaped parts. In addition, spraying construction does not require support formwork, and anchors can be installed on the surface to be sprayed for construction, or it can be sprayed directly on the surface of refractory materials. According to the order of adding water or solution and water consumption, the construction method of spray paint...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66
CPCC04B35/66
Inventor 王立旺朱国平朱其良王琪姜永清
Owner ZHEJIANG KINGCRED NEW MATERIAL CO LTD
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