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Engine pedestal trial run liquid

An engine bench and derivative technology, applied in the field of engine bench test fluid, can solve the problems of insufficient compatibility of non-metallic materials, insufficient compatibility of antifreeze, insufficient antirust ability, etc., and achieve long-term and stable performance and high temperature stability Excellent performance and long anti-corrosion period

Active Publication Date: 2014-02-12
上海福岛新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is: in order to overcome the problems of insufficient cooling performance of the existing cooling medium, insufficient cleaning ability, insufficient antirust ability, insufficient compatibility of non-metallic materials, and insufficient compatibility of antifreeze, an engine stand is provided Bench test fluid, which has excellent cooling, anti-boiling, anti-rust, scale inhibition, quality stability, can effectively protect the cooling system of the engine, and fully meet the process requirements of the bench test fluid

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Raw materials: Propylene Glycol 90%, Triethanolamine 3.0%, EDTA-2Na 0.5%, Hydroxyethylidene Diphosphonic Acid HEDP 0.6%, Sodium Benzoate 2.2%, Benzotriazole 1.2%, Polyoxygen Vinyl ether 380000 0.1%, polyethylene glycol 600 0.1%, fungicide MIT (isothiazolinone derivatives) 0.29%, methylene red dye 0.01%, and the balance is water.

[0027] It is prepared according to the following steps: according to the process requirements, weigh water, triethanolamine, ethylenediaminetetraacetic acid disodium, sodium benzoate, phenylacryltriazole, hydroxyethylidene diphosphonic acid, polyoxyethylene ether 380000, Add polyethylene glycol 600 and fungicide into a stainless steel mixing kettle with stirring device and heating function, adjust the temperature at 30-45°C and stir for 1-2.5 hours, then slowly add propylene glycol to dissolve and disperse according to the regulations, mix well and then add The methylene red dye is fully mixed and dispersed. At this time, the pH of the mixed s...

Embodiment 2

[0029] Raw materials: Propylene Glycol 49.0%, Triethanolamine 10%, Ethylenediaminetetraacetic Acid Tetrasodium EDTA-4Na 0.4%, Phosphoryl Carboxylic Acid Copolymer POCA 0.1%, Sodium Benzoate 1.8%, Adipic Acid 0.4%, Mercaptobenzotris Azole 0.8%, polyoxyethylene ether 900000.8%, polyethylene glycol 6000.01%, fungicide MBM (morpholine derivatives) 1.8%, methylene red dye 0.05%, and the balance is water.

[0030] It is prepared according to the following steps: according to the process requirements, weigh water, triethanolamine, tetrasodium ethylenediaminetetraacetic acid, sodium benzoate, adipic acid, benzotriazole, phosphoryl carboxylic acid copolymer, polyoxygen Vinyl ether 90000, polyethylene glycol 600 and fungicide MBM are added to a stainless steel mixing kettle with stirring device and heating function, and the temperature is adjusted to 30-45 ° C. After stirring for 1-2.5 hours, slowly add propylene glycol to dissolve and disperse according to the regulations , after fully...

Embodiment 3

[0032] Raw materials: propylene glycol 25%, triethanolamine 8%, ethylenediaminetetraacetic acid 10%, tricarboxylic acid 8%, aminomethyl phosphoric acid 5%, sorbitan trioleate polyoxyethylene ether 1.6%, polyethylene glycol Alcohol 4000.03%, fungicide M1T (isothiazolinone derivatives) 3%, methylene red dye 0.03%, and the balance is water.

[0033] It is prepared according to the following steps: according to the process requirements, weigh water, triethanolamine, ethylenediaminetetraacetic acid, tribasic carboxylic acid, aminomethyl phosphoric acid, sorbitan trioleate polyoxyethylene ether, polyethylene glycol Diol 400 and fungicide M1T are added to a stainless steel mixing kettle with stirring device and heating function, and the temperature is adjusted to 30-45°C. After stirring for 1-2.5 hours, slowly add propylene glycol to dissolve and disperse according to the regulations, and add sub Methyl red dye is fully mixed and dispersed. At this time, the pH of the mixed solution ...

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Abstract

The invention discloses engine pedestal trial run liquid, which comprises the following components in percentage by weight: 25-90% of propylene glycol, 2-50% of water, 0.1-10% of triethanolamine, 0.1-10% of metal ion chelant, 0.1-10% of anticorrosive, 0.1-5% of scale prevention agent, 0.1-5% of cleaning dispersing agent, 0.01-0.1% of defoaming agent, 0.1-3% of bactericide and 0.01-0.1% of methyl red dye. The engine pedestal trial run liquid is compounded with balanced inorganic and organic antirust and anti-corrosion systems, is capable of preventing corrosion, rust, cavitation and boiling, has the advantages of high chemical stability, good compatibility with antifreeze liquid, long antiseptic period, long use efficiency, low toxin and environment protection. Meanwhile, non-metal materials can be effectively prevented from aging or hardening. Due to a silicon-free formula, silicate can be effectively prevented from gumming or precipitating. Because the engine pedestal trial run liquid is provided with various antiscale clean additive, the engine pedestal trial run liquid can perform the action on preventing, inhibiting and removing scales, and a cooling system is effectively kept clean and stable.

Description

technical field [0001] The invention relates to an engine test run fluid, in particular to a test run fluid used for engine cooling systems in the start test process, especially suitable for marine engines, vehicle engines and engine cooling systems for engineering machinery. Background technique [0002] The cooling media commonly used in domestic engine cooling systems are mostly low-molecular alcohols such as methanol and ethylene glycol, which are not environmentally friendly, have poor biodegradability, and have a short service life. Especially chemical raw materials containing silicates, amine salts, nitrites, etc., which are prone to precipitation and carcinogens. [0003] The United States, Japan and other countries have successively pointed out that the compound use of amino alcohol and nitrite will generate nitroamine carcinogens. The biodegradability of alcohol is worse than that of propylene glycol. In Europe, Japan and other countries, the main material of cool...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K5/20
Inventor 宋铁成姬文琦宋传军
Owner 上海福岛新材料科技有限公司
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