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Steaming type anti-corrosion anti-scale heat conducting coating on surface of condenser coil pipe

A technology of evaporative condenser and heat-conducting coating, which is applied in pipeline anti-corrosion/rust protection, coating, damage protection, etc. It can solve the problems of high heat exchange efficiency and long service life, achieve good heat conduction performance, and suppress Corrosion, good thermal conductivity effect

Inactive Publication Date: 2009-11-11
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to aim at the deficiencies of existing evaporative condenser coils, to provide a kind of evaporative condenser coil surface anti-corrosion and anti-scaling heat-conducting coating, the coating of the present invention is coated on the tube surface, by having this coating The evaporative condenser made of advanced coil has high heat exchange efficiency and long service life

Method used

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  • Steaming type anti-corrosion anti-scale heat conducting coating on surface of condenser coil pipe
  • Steaming type anti-corrosion anti-scale heat conducting coating on surface of condenser coil pipe

Examples

Experimental program
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Effect test

Embodiment 1

[0029] Carbon steel circular coil structure such as figure 1 As shown, the coating yields figure 2 The coating structure shown, wherein the coating formulation is as follows:

[0030] Phosphate-containing modified water glass 10kg

[0031] Chlorosulfonated polyethylene 15kg

[0032] Zinc molten liquid 2kg

[0033] 33kg of water

[0034] Alkylsulfonate 0.08kg

[0035] The preparation method is: first mix the modified water glass containing phosphate, chlorosulfonated polyethylene and alkyl sulfonate, add it into the water, stir it well, then add the zinc melt and stir it evenly, then it can be used .

[0036] The evaporative condenser anti-corrosion and anti-fouling heat-conducting coating prepared according to the above method is coated on the surface of the coil by dipping method, and dried at 200°C for 1 hour. The thickness of the film layer is 2nm, 45nm and 80nm respectively. Increased by 10%, 30%, 13%, soaked in 5% sodium chloride acetic acid acidic (HAC adjusted P...

Embodiment 2

[0038] Carbon steel circular coil structure such as figure 1 As shown, the coating yields figure 2 The coating structure shown, wherein the coating formulation is as follows:

[0039] Phosphate-containing modified water glass 15kg

[0040] Chlorosulfonated polyethylene 25kg

[0041] Zinc molten liquid 5kg

[0042] 63kg of water

[0043] Alkylsulfonate 0.315kg

[0044] The preparation method is as follows: first mix the modified water glass containing phosphate, chlorosulfonated polyethylene and alkyl sulfonate, add it into water, stir thoroughly, then add zinc melt and stir well before use.

[0045] The evaporative condenser anti-corrosion and anti-fouling heat-conducting coating prepared according to the above method is coated on the surface of the coil by dipping method, and dried at 200°C for 1 hour. The thickness of the film layer is 2nm, 45nm and 80nm respectively. Increased by 10%, 31%, 14%, soaked in 5% sodium chloride acetic acid (HAC adjusts PH=3) solution for ...

Embodiment 3

[0047] Carbon steel circular coil structure such as figure 1 As shown, the coating yields figure 2 The coating structure shown, wherein the coating formulation is as follows:

[0048] Phosphate-containing modified water glass 25kg

[0049] Chlorosulfonated polyethylene 30kg

[0050] Zinc molten liquid 6kg

[0051] 74kg of water

[0052] Alkylsulfonate 0.37kg

[0053] The preparation method is as follows: first mix the modified water glass containing phosphate, chlorosulfonated polyethylene and alkyl sulfonate, add it into water, stir thoroughly, then add zinc melt and stir well before use.

[0054] The evaporative condenser anti-corrosion and anti-fouling heat-conducting coating prepared according to the above method is coated on the surface of the coil by dipping method, and dried at 200°C for 1 hour. The thickness of the film layer is 2nm, 45nm and 80nm respectively. Increased by 12%, 28%, 15%, soaked in 5% sodium chloride acetic acid acidic (HAC adjusted PH=3) soluti...

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Abstract

The present invention relates to one kind of surface anticorrosive antiscaling and heat conducting coating for evaporating condenser, and the surface anticorrosive antiscaling and heat conducting coating consists of base material in 100 weight portions, water in 120-140 weight portions and anionic surfactant in 0.3-0.5 weight portions. The base material is modified water glass containing phosphate, sulfonated vinyl chloride polymer and melting liquid in the weight ratio of 10-15 to 15-25 to 2-5. The coating has excellent anticorrosive, antiscaling and heat conducting performance, and may be used to replace available zinc plating layer. The evaporating condenser made of coiled pipe with the said coating has high heat exchange efficiency and long service life.

Description

technical field [0001] The invention relates to the field of refrigerating equipment and coatings, in particular to an anti-corrosion, anti-scaling and heat-conducting coating on the surface of an evaporative condenser coil. Background technique [0002] Evaporative condensers are widely used in central air-conditioning, chemical, food and other industrial processes. Spray on the outer surface of the coil through the nozzle, and at the same time, the air flows through the coil to evaporate part of the cooling water. The evaporated water vapor will take away the condensation heat discharged from the refrigerant steam in the tube with the air, and the outdoor air will pass through the coil from bottom to top. and discharged from the top of the box to take away the intensified water vapor outside the cold coil tube. When the temperature of the air is lower than the water temperature, it can also play a cooling role. The water in the hot air is intercepted by the water baffle an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D123/26C09D1/02F16L58/04F28F19/02
CPCY02P20/10
Inventor 朱冬生徐丽蒋翔
Owner SOUTH CHINA UNIV OF TECH
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