Thermal protection method for outer surface of electro-thermal boiler

An electric heating boiler and outer surface technology, which is applied to steam boilers, steam boiler accessories, steam boiler components, etc., can solve problems such as cracking and poor heat resistance, and achieve improved firmness, low cost, and enhanced compactness Effect

Active Publication Date: 2018-04-27
ANHUI GUODIAN ENERGY EQUIP ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, heat-resistant paint is used to paint the surface of the electric boiler, but the common heat-resistant paint on the market has a poor heat-resistant effect, and cracking will occur when heated during use.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A heat protection method for the outer surface of an electric boiler, comprising the following steps:

[0018] (1) Clean the outer surface of the electric boiler and polish it with 800# sandpaper;

[0019] (2) Spray the modified liquid on the surface of the polished electric boiler, wherein the modified liquid is made of the following components by weight: 11 parts of trifluoroacetyl chloride, 6 parts of diethylene glycol chloroformate, D-methyl lactate 5 parts, 78 parts of ethanol solution;

[0020] (3) After 100 minutes, evenly paint heat-resistant paint on the surface of the electric boiler. After the paint dries, the treatment is completed. The heat-resistant paint is made of the following components by weight: 59 parts of methylphenyl silicone resin, two 51 parts of diglycidyl polylinoleate, 7 parts of sodium phytate, 4 parts of potassium persulfate, 11 parts of polybenzimidazole fiber, 6 parts of titanium dioxide, 0.8 part of lanthanum oxide, 0.1 part of zinc 2-e...

Embodiment 2

[0026] A heat protection method for the outer surface of an electric boiler, comprising the following steps:

[0027] (1) Clean the outer surface of the electric boiler and polish it with 800# sandpaper;

[0028] (2) Spray the modified liquid on the surface of the polished electric boiler, wherein the modified liquid is made of the following components by weight: 13 parts of trifluoroacetyl chloride, 8 parts of diethylene glycol chloroformate, D-methyl lactate 8 parts, 82 parts of ethanol solution;

[0029] (3) After 110 minutes, evenly paint heat-resistant paint on the surface of the electric boiler. After the paint dries, the treatment is completed. The heat-resistant paint is made of the following components by weight: 62 parts of methylphenyl silicone resin, two 55 parts of diglycidyl polylinoleate, 8 parts of sodium phytate, 5 parts of potassium persulfate, 13 parts of polybenzimidazole fiber, 7 parts of titanium dioxide, 0.9 parts of lanthanum oxide, 0.3 parts of zinc 2...

Embodiment 3

[0035] A heat protection method for the outer surface of an electric boiler, comprising the following steps:

[0036] (1) Clean the outer surface of the electric boiler and polish it with 800# sandpaper;

[0037] (2) Spray the modified liquid on the surface of the polished electric boiler, wherein the modified liquid is made of the following components in parts by weight: 15 parts of trifluoroacetyl chloride, 9 parts of diethylene glycol chloroformate, D-methyl lactate 10 parts, 85 parts of ethanol solution;

[0038] (3) After 120 minutes, evenly paint heat-resistant paint on the surface of the electric boiler. After the paint dries, the treatment is completed. The heat-resistant paint is made of the following components by weight: 65 parts of methylphenyl silicone resin, two 59 parts of diglycidyl polylinoleate, 10 parts of sodium phytate, 6 parts of potassium persulfate, 16 parts of polybenzimidazole fiber, 8 parts of titanium dioxide, 1 part of lanthanum oxide, 0.4 parts o...

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PUM

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Abstract

The invention discloses a thermal protection method for an outer surface of an electro-thermal boiler. The thermal protection method comprises the following steps of: (1) clearing the outer surface ofthe electro-thermal boiler, and adopting 800# abrasive paper to perform grinding treatment; (2) spraying a modifying solution to the grinded surface of the electro-thermal boiler; (3) uniformly coating heat-resistant paint on the surface of the electro-thermal boiler 100-120 minutes later, and completing treatment after paint is dried. The thermal protection method for the outer surface of the electro-thermal boiler provided by the invention is simple to operate, and is low in cost; and the treated electro-thermal boiler has excellent heat resistance, does not have a coating dropping phenomenon after being heated for a long time, and greatly prolongs the service life of the electro-thermal boiler.

Description

technical field [0001] The invention belongs to the technical field of electric heating boiler preparation, and in particular relates to a thermal protection method for the outer surface of an electric heating boiler. Background technique [0002] An electric boiler converts electrical energy into heat energy and heats water to pressurized hot water or steam (saturated steam). It does not require a furnace, flue and chimney, and does not require a place to store fuel, which greatly reduces the pollution caused by conventional coal-fired boilers. The electric heating boiler has the characteristics of no pollution, no noise, small footprint, easy installation and use, fully automatic, safe and reliable, and the thermal efficiency is as high as 98%. It is a green and environmentally friendly product. During the use of the electric boiler, the shell will generate heat, which will aggravate the occurrence of oxidation and corrosion of the shell. In the prior art, heat-resistant...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F22B37/00C09D183/04C09D7/61C09D7/63C09D7/65
CPCC08K2003/0812C08K2003/221C08K2003/2241C08L2201/08C08L2203/16C09D5/18C09D183/04F22B37/00C08L79/04C08K13/02C08K3/08C08K5/098C08K3/22
Inventor 章代红
Owner ANHUI GUODIAN ENERGY EQUIP ENG
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