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Processing technology of heat-insulating and temperature-resistant paint for electric boiler

An electric heating boiler and processing technology, applied in the direction of fireproof coatings, alkali metal silicate coatings, coatings, etc., can solve problems such as poor heat insulation performance, improve high temperature resistance and heat insulation quality, stable performance, insulation excellent thermal performance

Inactive Publication Date: 2020-03-17
ANHUI GUODIAN ENERGY EQUIP ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the coating prepared by this invention has good high temperature resistance, the heat insulation performance is not good, and the phenomenon of cracking and falling off of the coating cannot be avoided after long-term use

Method used

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  • Processing technology of heat-insulating and temperature-resistant paint for electric boiler

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Experimental program
Comparison scheme
Effect test

preparation example Construction

[0028] (1) Preparation of powder:

[0029] Put bauxite, hollow microspheres, forsterite sand, and glass microspheres into the mixer according to the weight ratio of 1:3~4:2~2.6:3.4~3.6, stir and mix to get the powder for later use;

[0030] (2) Treatment of ceramic fibers:

[0031] a. Put the ceramic fibers to be treated into a low-energy proton irradiation box for proton irradiation treatment, and use the proton irradiation treatment for 20 to 30 minutes for later use;

[0032] b. Immerse the ceramic fiber after the proton irradiation treatment in operation a into the dispersant. After the ceramic fiber is softened, perform low-speed dispersion and then high-speed dispersion. Ultrasonic-DC magnetic field is carried out at the same time as low-speed dispersion and high-speed dispersion. Synergistic processing, get dispersed ceramic fiber for use;

[0033] (3) Preparation of slurry:

[0034] First, add the adhesive to the dispersed ceramic fibers treated in step (2), stir an...

Embodiment 1

[0045] A processing technology for heat-insulating and temperature-resistant coatings for electric boilers, comprising the following steps:

[0046] (1) Preparation of powder:

[0047]Put the bauxite, hollow microspheres, forsterite sand, and glass microspheres into the mixer according to the weight ratio of 1:3:2:3.4, stir and mix to obtain the powder for later use;

[0048] (2) Treatment of ceramic fibers:

[0049] a. Put the ceramic fiber to be treated into a low-energy proton irradiation box for proton irradiation treatment, with an energy of 200keV and a beam current of 1×10 13 cm -2 ·s -1 , the injection volume is 1×10 15 p / cm 2 After 20 minutes of proton irradiation treatment, it was ready for use;

[0050] b. Immerse the ceramic fiber after proton irradiation treatment in operation a into sodium carboxymethyl cellulose, stir at 400rpm for 30min after the ceramic fiber softens, then stir at 1000rpm for 10min, then disperse at low speed and high speed Ultrasonic-...

Embodiment 2

[0058] A processing technology for heat-insulating and temperature-resistant coatings for electric boilers, comprising the following steps:

[0059] (1) Preparation of powder:

[0060] Put bauxite, hollow microspheres, forsterite sand, and glass microspheres into the mixer according to the weight ratio of 1:3.5:2.3:3.5, stir and mix to obtain powder for later use;

[0061] (2) Treatment of ceramic fibers:

[0062] a. Put the ceramic fiber to be treated into a low-energy proton irradiation box for proton irradiation treatment, with an energy of 210keV and a beam current of 1.5×10 13 cm -2 ·s -1 , the injection volume is 1.5×10 15 p / cm 2 After 25 minutes of proton irradiation treatment, it was ready for use;

[0063] b. Immerse the ceramic fibers after proton irradiation treatment in operation a into sodium carboxymethyl cellulose, stir at 500rpm for 35min after the ceramic fibers soften, then stir at 1200rpm for 13min, then disperse at low speed and high speed Ultrasoni...

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PUM

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Abstract

Belonging to the technical field of electric heating mantle processing, the invention discloses a processing technology of a heat-insulating temperature-resistant coating for an electric boiler. The technology includes the steps of: (1) preparation of powder; (2) treatment of ceramic fiber; (3) preparation of slurry; and (4) preparation of a finished product. The processing technology of the heat-insulating temperature-resistant coating for an electric boiler provided by the invention can effectively improve and enhance the high temperature-resistant and heat-insulating use quality of the electric boiler, also has relatively simple processing technology, and is suitable for application and popularization in existing industries, and the finally prepared paint has stable performance under ahigh-temperature condition and excellent heat-insulating performance, and is suitable for the electric boiler.

Description

technical field [0001] The invention belongs to the technical field of electric heating furnace processing, and in particular relates to a processing technology of heat-insulating and temperature-resistant coatings for electric heating boilers. 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. From the late 1970s to the early 1980s, many countries began to develop electric boilers. In the mid-1980s, China began to develop electric boiler prod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/04C09D1/00C09D5/18C09D7/61
CPCC09D1/00C09D1/04C09D5/18C09D7/61C09D7/70
Inventor 章代红陶方红邹庆硕杨勇
Owner ANHUI GUODIAN ENERGY EQUIP ENG