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Anti-scaling compound anti-freezing fluid for locomotives

An antifreeze and anti-scaling technology, applied in the chemical industry, can solve problems such as metal corrosion resistance, and achieve the effect of durable metal corrosion and good additive effect

Inactive Publication Date: 2015-06-03
QINGDAO JIASHANG CREATIVE CULTURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a phosphorus-free multi-effect antifreeze that does not contain phosphate ions and does not use low-grade inorganic salts of silicon and boron, and solves the problem of metal corrosion resistance. problem, anti-fouling compound antifreeze for locomotives that can provide longer-term protection

Method used

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Experimental program
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Embodiment 1

[0020] An anti-scaling compound antifreeze fluid for locomotives consists of the following ingredients in parts by weight:

[0021] Glycerol: 40-70%,

[0022] Sodium metasilicate: 0.05 ~ 1%,

[0023] Sodium benzoate: 0.4 ~ 2.5%,

[0024] Scale and corrosion inhibitors: 0.3 to 1.5%,

[0025] Sebacic acid: 0.5 ~ 3.6%,

[0026] Silicone: 10-15%,

[0027] Methyl silicone oil: 4-5%,

[0028] Isooctanoic acid: 4-5%,

[0029] p-Nitrophenol: 2-4%,

[0030] Polysiloxane: 0.4~0.6%,

[0031] Glycerin: 1-8%,

[0032] Deionized water: balance.

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Abstract

The invention discloses an anti-scaling compound anti-freezing fluid for locomotives. The anti-freezing fluid is prepared from the following components in parts by weight: 40-70 parts of glycerol, 0.05-1 percent of sodium metasilicate, 0.4-2.5 percent of sodium benzoate, 0.3-1.5 percent of scaling and corrosion inhibitor, 0.5-3.6 percent of sebacic acid, 10-15 percent of silicone, 4-5 percent of methyl silicon oil, 4-5 percent of isocaprylic acid, 2-4 percent of p-nitrophenol, 0.4-0.6 part of polysiloxane, 1-8 percent of glycerinum and the balance of deionized water. The anti-freezing fluid with good stability has the advantages that a formula system without phosphate radical is adopted, combination of molybdate and organic acid is used in the formula to protect metals together, sodium nitrate is assisted to provide long-time durable metal corrosion, and massive sebacic acid applied in the formula has an excellent addition effect for corrosion resistance of metals.

Description

technical field [0001] The invention relates to an antifreeze fluid, which belongs to the field of chemical industry, in particular to an anti-scaling compound antifreeze fluid for locomotives. Background technique [0002] Antifreeze is a liquid with a low freezing point. The aqueous solution containing a certain amount of ethylene glycol will not freeze at low temperatures. It has good fluidity and can take away a large amount of heat generated by the engine during operation. It can be used all year round. Used in automobile antifreeze water cooling system, it has the advantages of anti-boiling, anti-corrosion, anti-scaling, anti-freezing, and anti-evaporation loss. According to the evaluation of the impact on the environment, the types of antifreeze can be divided into environmentally friendly pure organic acid antifreeze and low-grade inorganic salt antifreeze. Pure organic acid antifreeze is environmentally friendly and easy to biodegrade, but the cost of use is relativ...

Claims

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Application Information

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IPC IPC(8): C09K5/20
CPCC09K5/20
Inventor 范开娟李文勇李长敏
Owner QINGDAO JIASHANG CREATIVE CULTURE