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Nano wear-resistant ceramic composite protective construction method

A technology of wear-resistant ceramics and construction methods, applied in covering/lining, construction, coating, etc., can solve the problems of easy deformation, easy corrosion and wear, low cost, etc., and achieve the effects of high cost performance, easy maintenance and convenient construction

Active Publication Date: 2016-02-03
焦作安泰新型耐磨材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] (1) Wear-resistant alloy steel: It has good wear resistance, but the material strength is high, the construction is difficult, the waste is large during non-standard production, it is easy to deform during production, and it is most likely to be corroded from the weld
[0007] (2) Stainless steel: It has corrosion resistance at low temperature, but it is not resistant to high temperature, and it is easy to be corroded and worn at high temperature
[0008] (3) Ordinary wear-resistant materials: have certain wear resistance, relatively low cost, low strength (less than 35Pa), are prone to cracks, and cannot play a good protective role
[0010] It can be seen that the heavy wear parts of the equipment in the thermal power generation industry adopt wear-resistant ceramic sheets, wear-resistant steel and other processes, and frequent shutdowns for maintenance are required due to winnowing abrasion, impact abrasion, etc., which affects the utilization rate of equipment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0047] The mass ratio of raw materials for preparing nano wear-resistant ceramic coatings is: 65-70 parts of 5mm-8mm fused corundum, 15-20 parts of 100nm-300nm nano-ceramic powder, 3-6 parts of aluminate cement, SiO 2 2-5 parts of fine powder, active a-Al 2 o 3 2-5 parts of powder, 0.2-1 part of compound high-efficiency dispersant, 1-3 parts of crystal accelerator;

[0048]Wherein, the mass ratio of raw materials for preparing nano-ceramic powder is: 9-11 parts of zirconia, 73-77 parts of aluminum oxide, 5-7 parts of magnesium oxide, 5-7 parts of zinc oxide, and 2-4 parts of cobalt oxide;

[0049] The composite high-efficiency dispersant is a sulfamic acid-based high-efficiency water reducer, and the crystal accelerator is a substance that can occur at low temperature and promote hydration reaction such as magnesium oxide and chloride.

[0050] Nano-ceramic powder is prepared by high-temperature calcining and grinding method, and nano-ceramic powder is mixed with fused corun...

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Abstract

The invention discloses a construction method for nano-wear-resistant ceramic composite protection, which includes cleaning and welding anchor nets, mixing and stirring of wear-resistant materials, and construction steps. The ceramic paint is pressed tightly under the expanded metal for a dense application. The invention has the advantages of convenient construction, easy maintenance, high cost performance, durability, energy saving and environmental protection.

Description

technical field [0001] The invention relates to a nanometer wear-resistant ceramic compound protective construction method. Background technique [0002] Cement, national defense, steel, thermal power, petroleum, chemical and other industries involve various high and low temperature equipment. The treatment of the key wear-resistant treatment layer and other heavy wear parts of these equipment is related to the safe operation of the equipment, and even determines the service life of the equipment. . Therefore, it is necessary to adopt appropriate protective measures to deal with it. [0003] At present, many important components in the power plant, such as boiler four tubes, fan blades, pulverized coal pipe elbows, steam turbine final stage blades, etc., have greatly shortened their service life due to wear, high temperature corrosion, and water erosion, which seriously affects the unit. Safe operation directly affects the economic benefits of power production. [0004] M...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04F13/02E04F13/04C09D1/00
Inventor 焦丙军宋志斌吴生慧
Owner 焦作安泰新型耐磨材料有限公司