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Heat insulation and heat preservation coating coating and preparation method thereof

A thermal insulation and coating technology, which is applied in the direction of anti-corrosion coatings, fire-proof coatings, coatings, etc., can solve the problems of poor adhesion between thermal insulation coatings and coke oven bodies, and achieve low thermal conductivity, strong adhesion, and construction easy effect

Active Publication Date: 2021-12-24
江苏龙冶节能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The problem solved by the invention is that the adhesion between the existing thermal insulation paint and the coke oven body is relatively poor

Method used

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  • Heat insulation and heat preservation coating coating and preparation method thereof
  • Heat insulation and heat preservation coating coating and preparation method thereof

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preparation example Construction

[0044] Another object of the present invention is to provide a kind of preparation method of thermal insulation paint as above, and this preparation method comprises the steps:

[0045] S1: preparing an organosilicon modification solution;

[0046] S2: preparing nano hollow microbeads;

[0047] S3: preparing fumed silica gel;

[0048] S4: According to parts by weight, add 25 to 35 parts of nano-hollow microbeads to 15 to 20 parts of the organosilicon modification solution, and mix evenly to obtain solution A;

[0049] S5: In terms of parts by weight, add 10 to 20 parts of nano silicate inorganic binder, 10 to 15 parts of fumed silica gel, 5 to 15 parts of inorganic hollow fiber powder, 2 -8 parts of nano-rare earth oxide, 1-5 parts of additives, and 0.5 parts of water are uniformly mixed to obtain a thermal insulation coating.

[0050] For the thermal insulation coating provided by this application, firstly, the prepared nano hollow microspheres are fully mixed with the org...

Embodiment 1

[0067] This embodiment provides a method for preparing a thermal insulation coating, comprising the following steps:

[0068] S1: In parts by weight, 1.5 parts of methyl monomer and 1 part of tetrafluoroethylene monomer were polymerized at 85°C to obtain a silicone modified solution;

[0069] S21: According to parts by weight, 1 part of BN-1000 stabilizer is mixed with 5 parts of ethanol to obtain solution B;

[0070] S22: According to parts by weight, 15 parts of nano-ceramic hollow microspheres are added to solution B, and mixed uniformly to obtain solution C;

[0071] S23: According to parts by weight, add 1 part of neodymium nitrate and 5 parts of nickel nitrate to solution C, heat to 30 ° C, and mix uniformly to obtain a dispersed liquid;

[0072] S24: After filtering, cleaning and drying the dispersed liquid in sequence, sintering at 600°C for 5 hours to obtain nano hollow microspheres; the nano hollow microspheres are nano hollow microspheres coated with neodymium nitr...

Embodiment 2

[0081] This embodiment provides a method for preparing a thermal insulation coating, comprising the following steps:

[0082] S1: In parts by weight, 1.5 parts of methyl monomer and 1 part of tetrafluoroethylene monomer were polymerized at 85°C to obtain a silicone modified solution;

[0083] S21: According to parts by weight, 5 parts of BN-1000 stabilizer and 1 part of ethanol are mixed to obtain solution B;

[0084] S22: According to parts by weight, 25 parts of nano-ceramic hollow microspheres are added to solution B, and mixed uniformly to obtain solution C;

[0085] S23: According to parts by weight, add 5 parts of neodymium nitrate and 1 part of nickel nitrate to the solution C, heat to 35 ° C, and mix uniformly to obtain a dispersed liquid;

[0086] S24: After filtering, cleaning and drying the dispersed liquid in sequence, sintering at 900°C for 3 hours to obtain nano hollow microspheres; the nano hollow microspheres are nano hollow microspheres coated with neodymium ...

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Abstract

The invention provides a heat insulation and heat preservation coating and a preparation method thereof. The coating comprises the following components in parts by weight: 10-20 parts of a nano silicate inorganic adhesive, 15-20 parts of an organic silicon modified solution, 10-15 parts of fumed silica gel, 25-35 parts of nano hollow microspheres, 5-15 parts of inorganic hollow fiber powder, 2-8 parts of nano rare earth oxide, 1-5 parts of an auxiliary agent and 0.5 part of water. According to the heat insulation and heat preservation coating provided by the invention, through the synergistic effect of the organic silicon modified solution and other components, the heat insulation and heat preservation coating has excellent thermal insulation performance and also has the advantages of low thermal conductivity, corrosion resistance, impact resistance, fire resistance, water resistance, simplicity and convenience in construction and strong adhesive force with a coke oven body.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a thermal insulation coating and a preparation method thereof. Background technique [0002] Coke oven is a complex industrial furnace with huge energy consumption. The heat utilization efficiency of each coke oven is about 76%, so 24% of the heat is not used; among them, the heat wasted by the surface heat dissipation of the coke oven accounts for about 11% of the unused heat; It not only causes a waste of energy, but also causes thermal pollution. [0003] On the one hand, the surface heat dissipation of the coke oven is caused by the operation process, such as the heat dissipation caused by the roof area, combustion chamber area, furnace bottom area and regenerator area of ​​the coke oven and the opening of the furnace door during the coke pushing operation; On the one hand, it is caused by the heat dissipation of the coke oven body; after the heat insulation of the coke ov...

Claims

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Application Information

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IPC IPC(8): C09D183/04C09D7/61C09D7/62C09D5/08C09D5/18
CPCC09D183/04C09D7/61C09D7/70C09D7/62C09D5/08C09D5/18C08K2201/011C08K2003/221C08K2003/2213C08K3/34C08K7/26C08K9/10C08K7/24C08K3/22
Inventor 孟晓东丁毅汪琴沈华军周有恒
Owner 江苏龙冶节能科技有限公司
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