Environment-friendly type long-acting automobile cooling liquid formulation and producing technique thereof

A technology of automobile cooling and production technology, which is applied in the field of coolant, can solve the problems of poor control of foam tendency, serious foam tendency, and long service life, and achieve the effects of high promotion and application value, low production cost, and enhanced protection ability

Inactive Publication Date: 2008-07-09
吉化集团吉林市星云化工有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

[0006] Organic acid type coolant, the anti-corrosion process is to form a protective film with metal adsorption, so the consumption is slow, the product life cycle is longer, and its a

Method used

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  • Environment-friendly type long-acting automobile cooling liquid formulation and producing technique thereof

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Embodiment 1

[0026] Add 420 parts of ethylene glycol, 2 parts of sebacic acid, and 2 parts of benzotriazole into reactor A, operate under normal pressure, heat to 65°C, and stir for 15 minutes until the materials are completely dissolved, then add sodium hydroxide 3-2 parts, then stir until completely dissolved; the amount of ethylene glycol is used to control the freezing point of the cooling liquid. The more you add, the lower the freezing point of the cooling liquid and the higher the production cost. The heating temperature is between 65-70 ° C. The temperature is low, the dissolution is slow, and the stirring time of the agitator is 10-20 minutes. If the speed of the agitator is fast, the time required will be less, and the solid powder is completely dissolved; add 464 parts of desalted water to the reactor B, Add 5 parts of sodium benzoate, 0.1 part of sodium molybdate, and 8 parts of borax, operate under normal pressure, heat to 64°C, and stir for 18 minutes until all solid granular ...

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Abstract

The invention discloses a formula of environmental friendly type long-term automobile coolant and a process for preparation, the formulation contains glycol, desalting water, decanedioic acid, sodium benzoate, sodium molybdate, borax, polybenzotriazole, sodium metasilicate, sodium hydroxide, metasilicate, stabilizing agent, defoaming agent and coloring agent, catalyst cases A, B and C are adopted to mix and react under normal temperature and normal pressure, the pH value of the coolant which is generated is controlled within 8-9, the automobile coolant of the invention has the efficiencies of anti-freeze, anti-boiling, anti-corrosion, anti-fouling and can diffuse heat fast, the cooling effect is good, the necessary raw materials can be easily bought on the market, the coolant has non hazardous substances such as sodium nitrite and the like, lowers the harm to environment and human bodies, generates non gelatin during storing periods, can not dilute any inhibitor, and has long-term performance, the manufacturing process of the product is simple, the using equipment is less, the operation is easy, the demanding energy consumption is low, the producing cost is low, the coolant is easy for industrial-scale production and has high promotion and application value and good market prospects.

Description

technical field [0001] The invention relates to a formula and a production process of cooling liquid used in an automobile engine cooling system. technical background [0002] When the automobile engine is working, the temperature of the cylinder is very high. If the cylinder is overheated, a series of adverse consequences will be produced. Therefore, the car engine must be cooled during the working process. There are roughly two cooling methods, one is air cooling, and the other is liquid cooling, which is used by most car engines. Liquid cooling, initially uses water as the medium At present, ethylene glycol and water are mostly used as the medium for cooling. [0003] Ethylene glycol coolant has been used in automotive engine coolant systems abroad since the 1920s and 1930s, and it has been gradually used in civilian vehicles in my country since the early 1980s. [0004] Ethylene glycol coolant can be divided into inorganic salt type, organic acid type, organic acid and...

Claims

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Application Information

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IPC IPC(8): C09K5/20
Inventor 于广臣刘淑杰谭显臣
Owner 吉化集团吉林市星云化工有限公司
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