Coating combination for water pump case

A composition and shell technology, applied in the field of coatings, can solve the problems of easy aging, increased energy consumption, water leakage service life, etc., and achieve the effects of delaying aging, reducing carbon defects, and reducing leakage.

Inactive Publication Date: 2015-11-11
宋晓玉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing water pump casing is made of cast iron or plastic. Due to the defects of the existing casting process, the cast iron casing will inevitably have air bubbles, and it is easy to leak air during use, resulting in low efficiency of the water pump and increased energy consumption.
Water pumps with plastic shells also have the defects of easy aging, water leakage and short service life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A kind of coating composition that is used for water pump casing, the formula of this coating composition is: bauxite 60g, quartz sand 40g, white latex 5g, alpha starch 2g, sodium bentonite 1g, carboxymethyl cellulose 2g, iron oxide Red 1.5g, cryolite 1g.

[0018] The preparation method of described coating composition comprises the steps:

[0019] a. Mix sodium-based bentonite, carboxymethyl cellulose, iron oxide red and cryolite according to the ratio, ball mill, and sieve to make the particle size of the mixture ≤0.2mm;

[0020] b. Mix the α-starch and water in the component, heat it to 70-80°C and keep it warm for 15-20 minutes, then add the mixture obtained in step a, stir it well and cool it to 50-55°C, then add the ball mill and the particle size is ≤ 0.2mm bauxite and quartz sand, fully stirred, cooled to room temperature and placed for more than 2 hours to obtain the product.

Embodiment 2

[0022] A kind of coating composition that is used for water pump casing, the formula of this coating composition is: bauxite 65g, quartz sand 35g, white latex 6g, alpha starch 2.5g, sodium bentonite 1.5g, carboxymethyl cellulose 3g, Iron oxide red 1.8g, cryolite 2g.

[0023] The preparation method of described coating composition comprises the steps:

[0024] a. Mix sodium-based bentonite, carboxymethyl cellulose, iron oxide red and cryolite according to the ratio, ball mill, and sieve to make the particle size of the mixture ≤0.2mm;

[0025] b. Mix the α-starch and water in the component, heat it to 70°C and keep it warm for 20 minutes, then add the mixture obtained in step a, stir it thoroughly and cool it to 55°C, then add the bauxite with a particle size of ≤0.2mm after ball milling and quartz sand, fully stirred, cooled to room temperature and placed for more than 2 hours to obtain the product.

Embodiment 3

[0027] A kind of coating composition that is used for water pump casing, the formula of this coating composition is: 62g of bauxite, 38g of quartz sand, 5g of white latex, 2.2g of alpha starch, 1.3g of sodium bentonite, 2.5g of carboxymethyl cellulose , iron oxide red 1.6g, cryolite 1.4g.

[0028] The preparation method of described coating composition comprises the steps:

[0029] a. Mix sodium-based bentonite, carboxymethyl cellulose, iron oxide red and cryolite according to the ratio, ball mill, and sieve to make the particle size of the mixture ≤0.2mm;

[0030] b. Mix the α-starch and water in the component, heat it to 80°C and keep it warm for 15 minutes, then add the mixture obtained in step a, stir it well and cool it to 50°C, then add the bauxite with a particle size of ≤0.2mm after ball milling and quartz sand, fully stirred, cooled to room temperature and placed for more than 2 hours to obtain the product.

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Abstract

The invention relates to coating, in particular to a coating combination for a water pump case. The coating combination for the water pump case comprises the following components in parts by weight: 60 to 65 parts of bauxite and 35 to 40 parts of quartz sand by taking a sum of mass of bauxite and quartz sand as 100 parts. The coating combination for the water pump case further comprises 5 to 6 parts of white latex, 2 to 2.5 parts of alpha starch, 1 to 1.5 parts of sodium bentonite, 2 to 3 parts of carboxymethylcellulose, 1.5 to 1.8 parts of iron oxide red, 1 to 2 parts of cryolite and 100 parts of water. By adding the alpha starch, the strength of the water pump case is improved and the manufactured water pump case does not have air bubbles. By adding the iron oxide red and the cryolite, the carbon defect of cast iron can be effectively reduced, the situation of leakage after use of a pump body is reduced and the aging life of the water pump case is prolonged.

Description

technical field [0001] The invention relates to a coating, in particular to a coating composition for a water pump casing. Background technique [0002] The existing water pump casing is made of cast iron or plastic. Due to the defects of the existing casting process, the cast iron casing will inevitably have air bubbles, and it is easy to leak air during use, resulting in technical defects such as low water pump efficiency and increased energy consumption. Water pumps with plastic shells also have the defects of easy aging, water leakage and short service life. Contents of the invention [0003] The invention provides a coating composition for a water pump casing. The water pump casing prepared by the coating composition can avoid leakage of the pump body after use, and delay the aging of the water pump casing. [0004] The technical solution adopted by the present invention to solve its technical problems is: [0005] A coating composition for a water pump casing, the ...

Claims

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Application Information

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IPC IPC(8): C04B26/02C04B14/06C04B14/30
Inventor 宋晓玉
Owner 宋晓玉
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