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Inner wall coating for flue gas desulfurization pump and preparation method thereof

A desulfurization pump and coating technology, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve problems such as sewage treatment problems, and achieve the effect of prolonging service life, simple method and improving comprehensive application performance.

Inactive Publication Date: 2015-10-21
SANLIAN PUMP IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, the wet method is used for flue gas desulfurization treatment, and there is a problem of sewage treatment in this process

Method used

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  • Inner wall coating for flue gas desulfurization pump and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] (1) first soak 12kg of nano ceramic powder in 5 times the mass concentration 10% hydrochloric acid solution for 1h, then filter, wash with water, the obtained solid is placed in a dryer to dry, and finally ball-milled into a fine powder by a ball mill;

[0019] (2) Add 80kg of phenolic epoxy resin and the nano-ceramic powder treated in step (1) into 50kg of ethanol, disperse evenly and let stand for 30min, then add 6kg of carboxymethyl chitosan, and the mixture is heated to ultrasonic frequency 22kHz, power Ultrasonic treatment 30min under 100W, obtains material I;

[0020] (3) material 1, 20kg fluorocarbon resin and 8kg tung oil are joined in the high-speed mixer, 7kg hydrogenated castor oil and 2kg oxidized polyethylene wax are added after mixing 10min, then be warming up to 100-110 DEG C and mix 15min, after cooling down get material II;

[0021] (4) 10kg of zeolite powder and 4kg of copper oxide powder were uniformly dispersed in 100kg of water first, then ultrason...

Embodiment 2

[0023] (1) first soak 15kg of nano ceramic powder in 5 times the mass concentration 10% hydrochloric acid solution for 1h, then filter, wash with water, and the obtained solid is placed in a dryer to dry, and finally ball-milled into a fine powder by a ball mill;

[0024] (2) Add 85kg of phenolic epoxy resin and the nano-ceramic powder treated in step (1) into 55kg of ethanol, disperse evenly and let stand for 30min, then add 7kg of carboxymethyl chitosan, and the mixture is heated to ultrasonic frequency 22kHz, power Ultrasonic treatment 30min under 100W, obtains material I;

[0025] (3) material 1, 25kg fluorocarbon resin and 9kg tung oil are joined in the high-speed mixer, add 8kg hydrogenated castor oil and 3kg oxidized polyethylene wax after mixing 10min, then be warming up to 100-110 ℃ and mix 15min, after cooling down get material II;

[0026] (4) Disperse 12kg of zeolite powder and 5kg of copper oxide powder evenly in 110kg of water first, then ultrasonically treat it...

Embodiment 3

[0028] (1) first soak 15kg of nano ceramic powder in 5 times the mass concentration 10% hydrochloric acid solution for 1h, then filter, wash with water, and the obtained solid is placed in a dryer to dry, and finally ball-milled into a fine powder by a ball mill;

[0029] (2) 90kg of phenolic epoxy resin and the nano-ceramic powder treated in step (1) were added to 60kg of ethanol, dispersed evenly, and left to stand for 30min, then 8kg of carboxymethyl chitosan was added, and the mixture was heated to an ultrasonic frequency of 22kHz, power Ultrasonic treatment 30min under 100W, obtains material I;

[0030] (3) material 1, 25kg fluorocarbon resin and 10kg tung oil are joined in the high-speed mixer, after mixing 10min, add 10kg hydrogenated castor oil and 3kg oxidized polyethylene wax, then be warming up to 100-110 DEG C and mix 15min, after cooling down get material II;

[0031] (4) 13kg of zeolite powder and 6kg of copper oxide powder were uniformly dispersed in 120kg of w...

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Abstract

The invention discloses an inner wall coating for a flue gas desulfurization pump and a preparation method thereof and relates to the technical field of coating production. The inner wall coating for the flue gas desulfurization pump is made of the following materials of, by mass, 80-90 parts of novolac epoxy resin, 20-25 parts of fluorocarbon resin, 12-15 parts of nano ceramic powder, 10-13 parts of zeolite powder, 8-12 parts of glass flakes, 6-10 parts of hydrogenated castor oil, 5-8 parts of carboxymethyl chitosan, 4-6 parts of copper oxide powder, 2-3 parts of oxidized polyethylene wax, 8-10 parts of Chinese wood oil, 50-60 parts of ethyl alcohol and 100-200 parts of water. According to the inner wall coating for the flue gas desulfurization pump and the preparation method thereof, the nano ceramic powder is adopted to perform modification on the novolac epoxy resin, and therefore the comprehensive application performance of the coating is improved; the use method is simple, a layer of hard and compact coating can be formed by spraying once, the adhesive force of the coating is good, the corrosion resistance and the abrasive resistance of the coating are strong, and therefore the service life is prolonged.

Description

Technical field: [0001] The invention relates to the technical field of paint production, in particular to an inner wall paint for a flue gas desulfurization pump and a preparation method thereof. Background technique: [0002] my country is a coal-fired country and the world's largest emitter of sulfur dioxide. The concentration of sulfur dioxide in more than 62% of the cities exceeds the second-level national environmental quality standard, and about 40% of the country's area is polluted by acid rain. Therefore, it is imperative to control sulfur dioxide pollution. Flue gas desulfurization treatment is generally carried out by wet method, and there is a problem of sewage treatment in this process. In order to prevent secondary pollution and save water, the detergent must be recycled, so it is necessary to select a sewage pump with strong corrosion resistance and wear resistance as a circulating water pump. Invention content: [0003] The technical problem to be solved ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/04C09D127/12C09D5/08C09D7/12
CPCC09D7/61C09D7/62C09D7/65C09D7/70C09D163/04C09D5/08C08L2205/035C08L2205/025C08K2201/011C08L27/12C08L5/08C08L91/00C08L23/30C08K13/06C08K9/02C08K3/10C08K3/34C08K3/40C08K2003/2248
Inventor 何祥炎范文王涛
Owner SANLIAN PUMP IND CO LTD
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