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CN108251077A - Anhydrous cooling liquid - Google Patents

Anhydrous cooling liquid Download PDF

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Publication number
CN108251077A
CN108251077A CN201611237720.5A CN201611237720A CN108251077A CN 108251077 A CN108251077 A CN 108251077A CN 201611237720 A CN201611237720 A CN 201611237720A CN 108251077 A CN108251077 A CN 108251077A
Authority
CN
China
Prior art keywords
water
free cooling
cooling liquid
cooling according
acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611237720.5A
Other languages
Chinese (zh)
Inventor
尤龙刚
汤仲平
李铭
姬建华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Petrochina Co Ltd
Original Assignee
Petrochina Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Petrochina Co Ltd filed Critical Petrochina Co Ltd
Priority to CN201611237720.5A priority Critical patent/CN108251077A/en
Publication of CN108251077A publication Critical patent/CN108251077A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/20Antifreeze additives therefor, e.g. for radiator liquids

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

An anhydrous cooling liquid, which comprises the following components: according to mass percentage, 60-80% of ethylene glycol, 15-32% of 1, 2-propylene glycol, 0.2-1% of triazole compounds, 0.2-1% of thiadiazole compounds, 0.3-0.9% of adipic acid, 0.1-0.3% of sebacic acid, 0.2-1.5% of organic monocarboxylic acid compounds, 2-4% of viscosity specific heat regulator, 0.3-1% of inorganic base, 0.01-0.1% of defoaming agent and 0.01-0.05% of colorant. The freezing point of the cooling liquid is below 50 ℃ below zero, the boiling point is 160-2In addition, the system adopts organic corrosion inhibitor components with low consumption speed, multifunction and high efficiency, thoroughly eliminates the problems of aluminum casting and soldering tin corrosion caused by using diluent and concentrated solution of the traditional water-containing cooling liquid, ensures that the service life of the cooling liquid reaches 4 years, is a long-service-life product, and is particularly suitable for cooling and corrosion-relieving requirements of high-power and heavy-load engines in harsh environments.

Description

A kind of water-free cooling
Technical field
The present invention relates to a kind of engine coolant, more particularly to a kind of low viscosity long-life engine water-free cooling.
Background technology
Automobile engine cooling liquid is the circulating heat transfer medium of car water engine-cooling system, it can take away hair The big calorimetric that motivation generates at work, in addition, it also has the function of antifreeze, anti-boiling, anticorrosion etc..
The coolant of mainstream is water-ethylene glycol coolant currently on the market, and this coolant has the following disadvantages:1) boiling point Low (be less than 108.5 DEG C) can only meet conventional engines and work at a lower temperature, but high power can not be met, heavy load is started The requirement that machine could be worked normally in higher boiling;2) since the coolant contains water, a large amount of vapor are in the metal of cylinder periphery Surface forms steam thermal insulation layer, and engine interior is caused to overheat, makes the hydraulic performance decline of engine;3) service life is short, in the market Mainstream cooling liquid system consumes fast inorganic type corrosion inhibiter using component mostly, and service life is mostly 1-2;4) it is used for a long time Aqueous coolant can form incrustation scale, and coolant heat conduction and exchange capability of heat is caused to decline;5) ethylene glycol is larger and difficult there are toxicity The shortcomings that degrade.
Invention content
The purpose of the present invention is to provide a kind of water-free coolings.
To achieve the above object, the present invention provides a kind of water-free cooling, including following components:By mass percentage, Ethylene glycol 60-80%, 1,2- propylene glycol 15-32%, triazole class compounds 0.2-1%, thiadiazole compound 0.2-1%, oneself Diacid 0.3-0.9%, decanedioic acid 0.1-0.3%, organic mono carboxylic acid compound 0.2-1.5%, ratio of viscosities thermal conditioning agent 2- 4%th, inorganic base 0.3-1%, antifoaming agent 0.01-0.1% and colorant 0.01-0.05%.
Further, the triazole class compounds are one or both of benzotriazole and methyl benzotriazazole.
Further, the thiadiazole compound is one kind in dimercaptothiodiazole sodium salt and dimercaptothiodiazole sodium salt Or two kinds.
Further, the organic mono carboxylic acid compound is one or both of isooctyl acid and isononanoic acid.
Further, the ratio of viscosities thermal conditioning agent is one kind or two in diethylene glycol monobutyl ether and ethyl carbitol Kind.
Further, the inorganic base is sodium hydroxide or potassium hydroxide.
Further, the antifoaming agent is modified organic silicon antifoaming agent.
The colorant is row colorant commonly used in the trade, does not do particular determination, can be water soluble fluorescence Huang, fluorescence green And fluorescein.
The beneficial effects of the invention are as follows:
1) it is not aqueous, completely eliminate containing boil caused by water coolant, fouling, corrosion the shortcomings of;
2) system boiling point is more than 150 DEG C, and freezing point is less than 20mm less than -50 DEG C, kinematic viscosity2/ s (20 DEG C), can meet height Power, the cooling of heavy-duty engine, anti-corrosion and heat conduction demand;
3) generation for the steam vapour lock layer for seriously affecting heat dissipation is avoided, the high temperature of engine interior is controlled, effectively carries The power of engine is risen;
4) the slow organic acid inhibitor of depletion rate is employed, substantially prolongs the service life of coolant;
5) after adding ratio of viscosities thermal conditioning agent, the heat exchange efficiency of system is effectively improved;
6) using the method for propylene glycol substitution part ethylene glycol, environmental pollution is on the one hand reduced, is on the other hand had adjusted The viscosity and freezing point of system.
7) without organic amine, borate, phosphate, nitrite, molybdate, the silicate being harmful to human body and environment Deng completely eliminating the environmental pollution that inorganic salts corrosion inhibiter is brought.
Specific embodiment
With reference to embodiment, the present invention is described further.
A kind of water-free cooling, including following components:By mass percentage, ethylene glycol 60-80%, 1,2-PD 15-32%, triazole class compounds 0.2-1%, thiadiazole compound 0.2-1%, adipic acid 0.3-0.9%, decanedioic acid 0.1- 0.3%th, organic mono carboxylic acid compound 0.2-1.5%, ratio of viscosities thermal conditioning agent 2-4%, inorganic base 0.3-1%, antifoaming agent 0.01-0.1% and colorant 0.01-0.05%.
Further, the triazole class compounds are one or both of benzotriazole and methyl benzotriazazole.
Further, the thiadiazole compound is one kind in dimercaptothiodiazole sodium salt and dimercaptothiodiazole sodium salt Or two kinds.
Further, the organic mono carboxylic acid compound is one or both of isooctyl acid and isononanoic acid.
Further, the ratio of viscosities thermal conditioning agent is one kind or two in diethylene glycol monobutyl ether and ethyl carbitol Kind.
Further, the inorganic base is sodium hydroxide or potassium hydroxide.
Further, the antifoaming agent is modified organic silicon antifoaming agent.
The colorant is row colorant commonly used in the trade, does not do particular determination, can be water soluble fluorescence Huang, fluorescence green And fluorescein.
Embodiment 1
A kind of low viscosity long-life water-free cooling, each component and weight percent:
Preparation process:It is stirred evenly after this component is mixed, coolant as of the present invention, boiling point is glued at 160 DEG C or more It spends for 18.70mm2/ s (20 DEG C), freezing point are less than -50 DEG C, and pH is 8.52.
Embodiment 2
A kind of low viscosity long-life water-free cooling, each component and weight percent:
Preparation process:It is stirred evenly after this component is mixed, coolant as of the present invention, boiling point is glued at 160 DEG C or more It spends for 18.5mm2/ s (20 DEG C), freezing point are less than -50 DEG C, and pH is 8.40.
Embodiment 3
A kind of low viscosity long-life water-free cooling, each component and weight percent:
Preparation process:It is stirred evenly after this component is mixed, coolant as of the present invention, boiling point is glued at 160 DEG C or more It spends for 17.70mm2/ s (20 DEG C), freezing point are less than -50 DEG C, and pH is 8.66.
Embodiment 4
A kind of low viscosity long-life water-free cooling, each component and weight percent:
Preparation process:It is stirred evenly after this component is mixed, coolant as of the present invention, boiling point is glued at 160 DEG C or more It spends for 18.25mm2/ s (20 DEG C), freezing point are less than -50 DEG C, and pH is 8.25.
The main performance test data of the water-free cooling of 1 Examples 1 to 3 of table
What table 1 provided is the main performance test data of present invention shampoo coolant, as can be seen from the table, of the invention All there is water-free cooling higher boiling (being not less than 150 DEG C), low freezing point (being not higher than -50 DEG C), low viscosity (to be not more than 20mm2/s、 20 DEG C) etc. features, glassware corrosion statistics indicate that, the coolant to various metals all have excellent corrosion inhibition.
The beneficial effects of the invention are as follows:
1) it is not aqueous, completely eliminate containing boil caused by water coolant, fouling, corrosion the shortcomings of;
2) system boiling point is more than 150 DEG C, and freezing point is less than 20mm less than -50 DEG C, kinematic viscosity2/ s (20 DEG C), can meet height Power, the cooling of heavy-duty engine, anti-corrosion and heat conduction demand;
3) generation for the steam vapour lock layer for seriously affecting heat dissipation is avoided, the high temperature of engine interior is controlled, effectively carries The power of engine is risen;
4) the slow organic acid inhibitor of depletion rate is employed, substantially prolongs the service life of coolant;
5) after adding ratio of viscosities thermal conditioning agent, the heat exchange efficiency of system is effectively improved;
6) using the method for propylene glycol substitution part ethylene glycol, environmental pollution is on the one hand reduced, is on the other hand had adjusted The viscosity and freezing point of system.
7) without organic amine, borate, phosphate, nitrite, molybdate, the silicate being harmful to human body and environment Deng completely eliminating the environmental pollution that inorganic salts corrosion inhibiter is brought.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe Various corresponding changes and deformation, but these corresponding changes and deformation can be made according to the present invention by knowing those skilled in the art The protection domain of the claims in the present invention should all be belonged to.

Claims (7)

1. a kind of water-free cooling, which is characterized in that including following components:By mass percentage, ethylene glycol 60-80%, 1, 2- propylene glycol 15-32%, triazole class compounds 0.2-1%, thiadiazole compound 0.2-1%, adipic acid 0.3-0.9%, the last of the ten Heavenly stems Diacid 0.1-0.3%, organic mono carboxylic acid compound 0.2-1.5%, ratio of viscosities thermal conditioning agent 2-4%, inorganic base 0.3- 1%th, antifoaming agent 0.01-0.1% and colorant 0.01-0.05%.
2. water-free cooling according to claim 1, which is characterized in that the triazole class compounds for benzotriazole and One or both of methyl benzotriazazole.
3. water-free cooling according to claim 1, which is characterized in that the thiadiazole compound is dimercaptothiodiazole One or both of sodium salt and dimercaptothiodiazole sodium salt.
4. water-free cooling according to claim 1, which is characterized in that the organic mono carboxylic acid compound is different pungent One or both of acid and isononanoic acid.
5. water-free cooling according to claim 1, which is characterized in that the ratio of viscosities thermal conditioning agent is diethylene glycol list One or both of butyl ether and ethyl carbitol.
6. water-free cooling according to claim 1, which is characterized in that the inorganic base is sodium hydroxide or hydroxide Potassium.
7. water-free cooling according to claim 1, which is characterized in that the antifoaming agent is modified organic silicon antifoaming agent.
CN201611237720.5A 2016-12-28 2016-12-28 Anhydrous cooling liquid Pending CN108251077A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611237720.5A CN108251077A (en) 2016-12-28 2016-12-28 Anhydrous cooling liquid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611237720.5A CN108251077A (en) 2016-12-28 2016-12-28 Anhydrous cooling liquid

Publications (1)

Publication Number Publication Date
CN108251077A true CN108251077A (en) 2018-07-06

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CN201611237720.5A Pending CN108251077A (en) 2016-12-28 2016-12-28 Anhydrous cooling liquid

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109181656A (en) * 2018-08-31 2019-01-11 江苏凯瑞德润滑技术有限公司 A kind of high temperature Condition of Engine Coolant for Heavy Duty Engines
CN110776878A (en) * 2019-11-28 2020-02-11 济南鼎隆化工科技有限公司 A kind of environment-friendly high-boiling point energy exchange medium and preparation method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1346396A (en) * 1999-02-26 2002-04-24 爱什股份有限公司 Monocarboxylic acid based antifreeze composition for diesel engines
CN1982406A (en) * 2005-12-12 2007-06-20 现代自动车株式会社 Antifreezing composition
CN101812287A (en) * 2009-02-25 2010-08-25 北京合创同盛科技有限公司 Automotive antifreezing coolant
CN102367379A (en) * 2011-11-02 2012-03-07 深圳车仆汽车用品发展有限公司 Life-cycle water-free cooling solution
CN102559152A (en) * 2012-01-10 2012-07-11 广州市标榜汽车用品实业有限公司 All-organic waterless engine coolant
CN102977862A (en) * 2012-12-21 2013-03-20 中国人民解放军空军油料研究所 Cooling liquid composition
CN105419734A (en) * 2015-11-16 2016-03-23 惠州市沃斯润滑科技有限公司 Engine coolant

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1346396A (en) * 1999-02-26 2002-04-24 爱什股份有限公司 Monocarboxylic acid based antifreeze composition for diesel engines
CN1982406A (en) * 2005-12-12 2007-06-20 现代自动车株式会社 Antifreezing composition
CN101812287A (en) * 2009-02-25 2010-08-25 北京合创同盛科技有限公司 Automotive antifreezing coolant
CN102367379A (en) * 2011-11-02 2012-03-07 深圳车仆汽车用品发展有限公司 Life-cycle water-free cooling solution
CN102559152A (en) * 2012-01-10 2012-07-11 广州市标榜汽车用品实业有限公司 All-organic waterless engine coolant
CN102977862A (en) * 2012-12-21 2013-03-20 中国人民解放军空军油料研究所 Cooling liquid composition
CN105419734A (en) * 2015-11-16 2016-03-23 惠州市沃斯润滑科技有限公司 Engine coolant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109181656A (en) * 2018-08-31 2019-01-11 江苏凯瑞德润滑技术有限公司 A kind of high temperature Condition of Engine Coolant for Heavy Duty Engines
CN110776878A (en) * 2019-11-28 2020-02-11 济南鼎隆化工科技有限公司 A kind of environment-friendly high-boiling point energy exchange medium and preparation method thereof

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Application publication date: 20180706