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A kind of anti-corrosion and wear-resistant carbonized silica gel and its equipment repair method

A technology of wear-resistant carbonized silica gel and repair method, which is applied in mechanical equipment, pipe components, pipes/pipe joints/pipe fittings, etc., and can solve the problems of low reliability and short service life.

Active Publication Date: 2021-07-06
武汉博奇玉宇环保股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a kind of anti-corrosion and wear-resistant carbonized silica gel with good rheological properties, strong adhesion, wear resistance and corrosion resistance, and short curing time, so as to solve the problem of low reliability and short service life of transportation pipelines or pipe fitting systems in the prior art. And other issues

Method used

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  • A kind of anti-corrosion and wear-resistant carbonized silica gel and its equipment repair method
  • A kind of anti-corrosion and wear-resistant carbonized silica gel and its equipment repair method
  • A kind of anti-corrosion and wear-resistant carbonized silica gel and its equipment repair method

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Embodiment 1

[0031] The invention provides an anti-corrosion and wear-resistant carbonized silica gel, which comprises the following raw materials in parts by weight:

[0032] 40 parts of nano silicon carbide; 25 parts of modified ceramic particles; 10 parts of binder; 1 part of coke powder; 5 parts of glass powder; 1.5 parts of dextrin powder.

[0033] Wherein, the modified ceramic particles in this embodiment are prepared by the following method:

[0034] Step S1, calcining ceramic particles with a particle size of ≤0.344mm at a temperature of 650-780°C for 2-3 hours, cooling to room temperature after calcining, and grinding the ceramic particles to 80-130 mesh to obtain ceramic fine powder;

[0035] Then, add isocyanate into the ceramic micropowder and soak for 1-2.5h, and stir evenly at 85-105°C to obtain the modified ceramic micropowder.

[0036] Preferably, the ceramic particles in step S1 are one or more mixtures of titanium nitride ceramics, alumina ceramics, boron carbide ceramic...

Embodiment 2

[0039] The invention provides an anti-corrosion and wear-resistant carbonized silica gel, which comprises the following raw materials in parts by weight:

[0040] 45 parts of nano silicon carbide; 28 parts of modified ceramic particles; 15 parts of binder; 1.5 parts of coke powder; 6 parts of glass powder; 2 parts of dextrin powder.

[0041] Stir and mix the above materials according to the proportion to make a mixed powder, add water at a temperature of 45°C-65°C, stir and mix evenly to make an anti-corrosion and wear-resistant carbonized silica gel.

[0042] Wherein, the modified ceramic particles in this embodiment are prepared by the following method:

[0043] Step S1, calcining ceramic particles with a particle size of ≤0.344mm at a temperature of 650-780°C for 2-3 hours, cooling to room temperature after calcining, and grinding the ceramic particles to 80-130 mesh to obtain ceramic fine powder;

[0044] Then, add isocyanate into the ceramic micropowder and soak for 1-2....

Embodiment 3

[0048] The invention provides an anti-corrosion and wear-resistant carbonized silica gel, which comprises the following raw materials in parts by weight:

[0049] 60 parts of nano-silicon carbide; 35 parts of modified ceramic particles; 25 parts of binder; 1.5 parts of coke powder; 5 parts of glass powder; 3 parts of dextrin powder.

[0050] Wherein, the modified ceramic particles in this embodiment are prepared by the following method:

[0051] Step S1, calcining ceramic particles with a particle size of ≤0.344mm at a temperature of 650-780°C for 2-3 hours, cooling to room temperature after calcining, and grinding the ceramic particles to 80-130 mesh to obtain ceramic fine powder;

[0052]Then, add isocyanate into the ceramic micropowder and soak for 1-2.5h, and stir evenly at 85-105°C to obtain the modified ceramic micropowder.

[0053] Preferably, the ceramic particles in step S1 are one or more mixtures of titanium nitride ceramics, alumina ceramics, boron carbide ceramic...

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Abstract

The invention provides an anti-corrosion and wear-resistant carbonized silica gel and a method for repairing equipment thereof. The anti-corrosion and wear-resistant carbonized silica gel comprises the following raw materials in parts by weight: 40-60 parts of nano-silicon carbide; 25-35 parts of modified ceramic particles; 10 parts of bonding agent ‑25 parts; burnt gem powder 1‑3 parts; glass powder 5‑7 parts; dextrin powder 1.5‑3 parts. The present invention uses nano-silicon carbide as the matrix raw material, adds modified ceramic particles, utilizes the characteristics of high strength, oxidation resistance, corrosion resistance, good thermal conductivity and low thermal expansion coefficient of nano-silicon carbide, and combines the strength and wear resistance of modified ceramic particles Performance, hydrophilicity and dispersibility can effectively improve the porosity of anti-corrosion and wear-resistant carbonized silica gel, reduce the formation of agglomerates when the powder is combined with nano-silicon carbide, and make the combination of nano-silicon carbide and modified ceramic particles closer, making anti-corrosion and anti-corrosion Grinding carbonized silica gel has good wear resistance.

Description

technical field [0001] The invention relates to the technical field of wall repair, and more specifically, to an anti-corrosion and wear-resistant carbonized silica gel and a method for repairing equipment thereof. Background technique [0002] Metal pipes or plastic pipe fittings are the most widely used structural parts in modern industry. During use, pipes or pipe fittings are often subjected to erosion, wear and corrosion of medium particles, such as: in thermal power plants, mines and petrochemical enterprises. Transmission of mud, dust materials, corrosive gases, liquid metal pipes or fittings, valves, pumps and other ancillary equipment. Wear and corrosion are two important factors that reduce the life of materials and increase production costs. The direct loss caused by wear and corrosion in my country accounts for about 2% to 4% of the national gross national product every year. [0003] For example, in a thermal power plant, in order to reduce the emission of sulf...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B26/28C03C8/24C03C8/14F16L55/162C04B111/20
CPCC03C8/14C03C8/24C04B26/28C04B2111/20C04B2111/2092F16L55/162C04B14/324C04B18/023C04B14/22C04B14/02C04B14/10
Inventor 贺朝铸周文清
Owner 武汉博奇玉宇环保股份有限公司