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Freeze water corrosion and scale inhibitor

A technology of corrosion and scale inhibitor and chilled water, applied in the field of corrosion and scale inhibitor, can solve the problems of safe operation of the circulating system, affecting the use of the circulating system, etc.

Inactive Publication Date: 2016-11-09
WEIHAI XIANGYU TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existence of these problems will directly affect the use of the circulatory system and bring harm to the safe operation of the circulatory system.

Method used

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  • Freeze water corrosion and scale inhibitor
  • Freeze water corrosion and scale inhibitor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Select raw materials by weight percentage

[0016] Organic Phosphates 60%

[0017] Zinc salt 20%

[0018] Corrosion inhibitor 10%

[0019] Deionized water 10%

[0020] Add 10% deionized water to the reaction kettle; then add 20% zinc salt and 60% organic phosphate to the reaction kettle and stir for 30-60 minutes; add 10% corrosion inhibitor to the stirred solution agent, and stirred for 30 to 60 minutes.

Embodiment 2

[0022] Select raw materials by weight percentage

[0023] Organic Phosphates 30%

[0024] Zinc salt 10%

[0025] Corrosion inhibitor 5%

[0026] Deionized water 55%

[0027] Add 55% deionized water to the reaction kettle; then add 10% zinc salt and 30% organic phosphate to the reaction kettle and stir for 30 to 60 minutes; add 5% corrosion inhibitor to the stirred solution agent, and stirred for 30 to 60 minutes.

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Abstract

The invention provides freeze water corrosion and scale inhibitor, which is prepared from the following ingredients by mass percent: 30-60 parts of organic phosphate, 10-20 parts of zinc salt, 1-10 parts of corrosion inhibitor and 10-60 parts of deionized water. The freeze water corrosion and scale inhibitor is an environment-friendly medicament, and has the advantages of good corrosion inhibition performance and scale inhibition performance, good thermostability and small possibility of degrading.

Description

technical field [0001] The invention belongs to special agents for circulating water systems, in particular to a special corrosion and scale inhibitor for chilled water. Background technique [0002] Chilled water generally uses water as the cooling medium, and the antifreeze in the medium generally uses ethylene glycol. During the recycling process of chilled water, it will dissolve solids, gases and various suspended solids to varying degrees, causing problems such as scaling, sediment, corrosion, and microbial (algae, fungus slime) reproduction. The existence of these problems will directly affect the use of the circulatory system and bring harm to the safe operation of the circulatory system. In order to improve the heat exchange efficiency of the system, prevent or reduce corrosion, and prolong the service life of the equipment, it is necessary to add corrosion and scale inhibitors to the chilled water. Contents of the invention [0003] The object of the present in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F5/14C02F103/02
CPCC02F5/145C02F2103/023C02F2303/08
Inventor 王俊谕李洪社喻果
Owner WEIHAI XIANGYU TECH
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