CN110643332A - Cooling system additive liquid and preparation method and use method thereof - Google Patents
Cooling system additive liquid and preparation method and use method thereof Download PDFInfo
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- CN110643332A CN110643332A CN201910897064.9A CN201910897064A CN110643332A CN 110643332 A CN110643332 A CN 110643332A CN 201910897064 A CN201910897064 A CN 201910897064A CN 110643332 A CN110643332 A CN 110643332A
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- C09K5/00—Heat-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
- C09K5/20—Antifreeze additives therefor, e.g. for radiator liquids
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Abstract
The invention discloses an additive solution for a cooling system, a preparation method and a use method thereof, wherein the additive solution comprises the following components in percentage by mass: 30-65% of alcohol solvent, 1-5% of composite additive and 30-69% of deionized water; the preparation method comprises the following steps: respectively adding alcohol solvent and deionized water according to the mass percentage, stirring uniformly, then adding the composite additive, and mixing uniformly; the using method comprises the following steps: firstly, detecting the pH value of the cooling liquid, judging whether the cooling liquid is invalid or not, then detecting whether the cooling water tank is damaged or not, then opening the water tank cover under the cooling state of the engine, adding the additive liquid to the specified scale of the liquid level, finally starting the engine hot car, and if the liquid level is reduced, continuing to supplement the additive liquid. The cooling system additive solution provided by the invention has good corrosion inhibition effect and storage stability, can prolong the service life of the original vehicle cooling liquid, saves social resources and maintenance cost, and can effectively enhance the performances of corrosion resistance, freezing resistance, boiling resistance, scaling resistance and the like of the original vehicle cooling liquid.
Description
Technical Field
The invention belongs to the technical field of automobile maintenance products, and particularly relates to a cooling system additive solution, and a preparation method and a use method thereof.
Background
In recent years, with the development of the automobile industry, the technology of automobile engines has been rapidly developed, antifreeze cooling liquid is greatly affected by the structure of automobile engines and the materials thereof, and the requirement for antifreeze liquid is becoming more severe, so that the modification of antifreeze cooling liquid is also accelerating. In addition, the modern automobile engine has increased power, the water tank and the radiator are increasingly miniaturized, the amount of the antifreeze coolant is reduced, and the heat exchange area is reduced, so that the temperature and the cycle number of the antifreeze coolant of the engine are increased, and the antifreeze coolant is required to have durable high-temperature corrosion resistance.
As is well known, the coolant of the automobile engine is a circulating heat transfer medium in the water-cooled engine cooling system of the automobile, is an essential component for normal operation of the engine, and directly affects the service life of the automobile. The main functions of the anti-freezing cooling liquid are as follows: carrying away heat generated by the engine in operation; preventing boiling at high temperatures and freezing at low temperatures; protecting metal parts of an engine cooling system and preventing corrosion, corrosion and cavitation; the heat transfer efficiency of the engine cooling system is prevented from being influenced by scaling.
In the use process of the existing anti-freezing cooling liquid products on the market at present, the cooling liquid is invalid due to a series of reasons of high-temperature volatilization, leakage, poor stability of a cooling liquid formula system, long-time invalidation precipitation of additives and the like, the normal work of an engine is seriously influenced, and the driving safety of an automobile owner is threatened. No matter the poor-quality cooling liquid or the normal natural failure of the conventional cooling liquid, aiming at the situation, at present, a 4S shop or an automobile maintenance manufacturer generally replaces the whole vehicle owner with the brand-new cooling liquid, namely completely discharges the old cooling liquid and makes the old cooling liquid useless, and then fills the brand-new cooling liquid for the vehicle owner. In fact, in the process, resources are wasted, and economic burden is invisibly increased for the vehicle owners. The failure of the old coolant is mainly caused by the failure and the failure of the coolant additive, and in addition, a small part of the coolant can be lost instead of the whole coolant being completely deteriorated and wasted. In fact, at this time, only some coolant additives and coolant need to be supplemented properly, and completely new coolant does not need to be replaced, so that the vehicle maintenance cost is reduced reasonably.
In summary, how to design an additive solution for a cooling system not only can prolong the service life of the original vehicle cooling liquid and save social resources and maintenance cost, but also can effectively enhance the performances of the original vehicle cooling liquid, such as corrosion resistance, freezing resistance, boiling resistance, scaling resistance and the like, is a problem which needs to be solved urgently at present.
Disclosure of Invention
The invention aims to solve the technical problems of resource waste and large economic burden caused by frequent replacement of the existing antifreeze, and provides the cooling system additive solution which adopts a brand-new organic formula, has good corrosion inhibition effect and storage stability, contains higher content of effective components, is a high-concentration cooling system additive solution, can prolong the service life of the original vehicle cooling solution, saves social resources and maintenance cost, and can effectively enhance the performances of corrosion resistance, freezing resistance, boiling resistance, scaling resistance and the like of the original vehicle cooling solution.
The invention achieves the aim through the following technical scheme, and the cooling system additive solution comprises the following components in percentage by mass: 30-65% of alcohol solvent, 1-5% of composite additive and 30-69% of deionized water; the active ingredients of the composite additive comprise 30-35% of sodium 2-ethylhexanoate and 1-5% of tolyltriazole in percentage by mass.
The composite additive selected in the invention is a cooling system corrosion inhibitor, the effective components of the composite additive are 2-sodium ethylhexanoate and tolyltriazole, the composite additive does not contain traditional inorganic salt components, the corrosion to metal parts of an engine cooling system is effectively avoided, the composite additive has good compatibility with a formula system and excellent storage stability, does not react with other inorganic salt additives and organic additives, and can play a role in synergistic inhibition and corrosion prevention after being mixed with other cooling liquids. The organic corrosion inhibiting molecules can be effectively adsorbed on the metal surface to inhibit the corrosion of the metal part and ensure that the anti-freezing cooling liquid can work safely and long-term
Preferably, the alcohol solvent is ethylene glycol or propylene glycol. The ethylene glycol or propylene glycol is selected in the invention because of high boiling point, good fluidity, high heat conductivity coefficient and good compatibility with a system, the ethylene glycol or propylene glycol can take away heat emitted by an engine in time and ensure the normal operation of a cooling system.
In addition, the invention does not select dye, is colorless clear transparent liquid, aims to keep the bright and striking color of the original cooling liquid, can be found in time when the circulating water system of the mechanical equipment leaks, and is easy to detect, thereby carrying out maintenance and repair.
A preparation method of a cooling system additive liquid comprises the following steps:
(1) under normal temperature and normal state, respectively weighing 30-65% of alcohol solvent and 30-69% of deionized water according to mass percent, adding the alcohol solvent and the deionized water into a container A, starting a stirrer, firstly stirring at low speed for 1-5 minutes, and uniformly mixing;
(2) and weighing 1-5% of the composite additive according to the mass percentage, adding the composite additive into the container A, increasing the stirring speed, stirring at a high speed for 10-25 minutes, and uniformly mixing to obtain a finished product.
Preferably, the low-speed stirring speed in the step (1) is 100-150 r/min.
Preferably, the high-speed stirring speed in the step (2) is 300-500 r/min.
The use method of the cooling system additive liquid is completed according to the following steps:
(1) detecting the pH value of the cooling liquid, and judging whether the cooling liquid is invalid:
A. when the pH value is less than 7, the cooling liquid is regarded as failure, and completely new cooling liquid must be replaced,
B. when the pH value is 7-7.5, the cooling liquid is recommended to be replaced, and the additive liquid of the cooling system can be added for continuous use,
C. when the pH value is more than 7.5, the additive liquid of the cooling system is required to be added;
(2) detecting whether the cooling water tank is damaged or not, and if the cooling water tank is damaged or not, maintaining and then supplementing the cooling system additive solution;
(3) and under the cooling state of the engine, opening a water tank cover, and adding the cooling system additive liquid to a position between the lowest scale and the highest scale of the liquid level.
(4) And (4) starting the engine, heating the vehicle for about ten minutes, and if the liquid level is reduced, continuously supplementing the cooling system with the additive liquid according to the step (3).
Preferably, the pH value in step (1) can be detected by a precision pH test paper or a portable pH meter.
The invention has the beneficial effects that:
(1) the alcohol solvent is used as a main body of the additive liquid, has the characteristics of low freezing point, high boiling point, high specific heat capacity, good heat conduction effect and the like, is supplemented with the pure organic compound cooling system corrosion inhibitor, has good storage stability, does not react with other inorganic salt additives and organic additives, can play a role of synergistic inhibition and corrosion prevention after being mixed with other cooling liquids, is compatible with all original factory cooling liquids, has a simple formula and is convenient to operate and prepare;
(2) the invention is characterized in that the addition liquid is added into the old cooling liquid, thereby effectively and reasonably reducing the maintenance cost of the vehicle, enabling the cooling system to normally operate, timely taking away the heat emitted by the engine and saving social resources and maintenance cost.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The embodiment provides an additive solution for a cooling system, and the additive solution comprises the following components in parts by mass:
the composite additive selected in the invention is a cooling system corrosion inhibitor, the effective components of the composite additive are 2-sodium ethylhexanoate and tolyltriazole, the composite additive does not contain traditional inorganic salt components, the corrosion to metal parts of an engine cooling system is effectively avoided, the composite additive has good compatibility with a formula system and excellent storage stability, does not react with other inorganic salt additives and organic additives, and can play a role in synergistic inhibition and corrosion prevention after being mixed with other cooling liquids. The organic corrosion inhibition molecules can be effectively adsorbed on the metal surface, the corrosion of metal parts is inhibited, and the anti-freezing cooling liquid can work safely and for a long time.
The alcohol solvent selected in the embodiment is ethylene glycol, and the ethylene glycol is colorless, odorless and sweet viscous liquid, can be mutually dissolved with water and acetone, and has low solubility in ethers. The pure ethylene glycol has the freezing point of-12.6 ℃, the boiling point of 197.3 ℃, high boiling point, good fluidity, high heat conductivity coefficient and good compatibility with a system, can take away heat emitted by an engine in time and ensure the normal operation of a cooling system.
In addition, the invention does not select dye, is colorless clear transparent liquid, aims to keep the bright and striking color of the original cooling liquid, can be found in time when the circulating water system of the mechanical equipment leaks, and is easy to detect, thereby carrying out maintenance and repair.
The preparation method of the cooling system additive liquid comprises the following steps:
(1) respectively weighing 3000 g of ethylene glycol and 6900 g of deionized water in a normal state at normal temperature, adding into the container A, starting a stirrer, firstly stirring at low speed for 1 minute, wherein the stirring speed is 100 r/min, and uniformly mixing;
(2) weighing 100 g of the composite additive, adding the mixture into the container A, increasing the stirring speed to stir at a high speed, wherein the stirring speed is 300 r/min, stirring for 10 minutes, and uniformly mixing to obtain a finished product.
Example 2
The embodiment provides an additive solution for a cooling system, and the additive solution comprises the following components in parts by mass:
the preparation method of the cooling system additive liquid comprises the following steps:
(1) respectively weighing 5000 g of ethylene glycol and 4700 g of deionized water in a container A under a normal temperature state, starting a stirrer, stirring at a low speed for 3 minutes at a stirring speed of 120 r/min, and uniformly mixing;
(2) weighing 300 g of the composite additive, adding into the container A, increasing the stirring speed, stirring at a high speed of 400 r/min for 15 minutes, and uniformly mixing to obtain a finished product.
Example 3
The embodiment provides an additive solution for a cooling system, and the additive solution comprises the following components in parts by mass:
the preparation method of the cooling system additive solution comprises the following steps:
(1) respectively weighing 6500 g of ethylene glycol and 3000 g of deionized water in a container A under normal temperature and normal state, starting a stirrer, stirring at low speed for 5 minutes at the stirring speed of 150r/min, and uniformly mixing;
(2) weighing 500 g of the composite additive, adding into the container A, increasing the stirring speed to carry out high-speed stirring, wherein the stirring speed is 500r/min, stirring for 25 minutes, and uniformly mixing to obtain a finished product.
The cooling system additive solutions prepared according to examples 1-3 were tested for the following parameters:
the results of the tables show that the special additive for the cooling system provided by the invention can effectively prevent corrosion, cavitation erosion and scaling of the metal surface, has a very outstanding anticorrosion effect, and is compatible with all original factory cooling liquids, and other quality indexes detected by the cooling liquid strictly meet NB/SH/T0521-2010 standard and GB 29743-. Therefore, the test result of the special additive solution for the cooling system is superior to the standard specified requirement, and the special additive solution for the cooling system is long-acting and metal corrosion resistant.
Example 4
The embodiment provides an additive solution for a cooling system, and the additive solution comprises the following components in parts by mass:
the alcohol solvent selected in the embodiment is propylene glycol, the propylene glycol is colorless, viscous and stable water-absorbing liquid, is tasteless and odorless, can be mutually dissolved with water, ethanol and various organic solvents, and belongs to a non-toxic or low-toxicity product. The propylene glycol has the boiling point of 188.2 ℃, high boiling point, good fluidity, high heat conductivity coefficient and good compatibility with a system, and can take away heat emitted by an engine in time to ensure the normal operation of a cooling system.
In addition, the use method of the additive liquid of the cooling system is completed according to the following steps:
(1) detecting the pH value of the cooling liquid, and judging whether the cooling liquid is invalid:
A. when the pH value is less than 7, the cooling liquid is regarded as failure, and completely new cooling liquid must be replaced,
B. when the pH value is 7-7.5, the cooling liquid is recommended to be replaced, and the additive liquid of the cooling system can be added for continuous use,
C. when the pH value is more than 7.5, the additive liquid of the cooling system is required to be added;
(2) detecting whether the cooling water tank is damaged or not, and if the cooling water tank is damaged or not, maintaining and then supplementing the cooling system additive solution;
(3) in the cooling state of the engine, opening a water tank cover, and adding the cooling system additive liquid to a position between the lowest scale and the highest scale of the liquid level;
(4) and (4) starting the engine, heating the vehicle for about ten minutes, and if the liquid level is reduced, continuously supplementing the cooling system with the additive liquid according to the step (3).
The pH value in the step (1) can be detected by a precise pH test paper or a portable pH meter.
The invention has the beneficial effects that: the cooling system additive liquid has the advantages of high stability, good fluidity, high boiling point, excellent corrosion resistance, difficult generation of scale, excellent anti-foaming performance, simple formula and convenient operation and preparation.
Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalents can be made in the technical solutions described in the foregoing embodiments, or some technical features thereof can be replaced. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The additive solution for the cooling system is characterized by comprising the following components in percentage by mass: 30-65% of alcohol solvent, 1-5% of composite additive and 30-69% of deionized water; the composite additive comprises 30-35% by mass of sodium 2-ethylhexanoate and 1-5% by mass of tolyltriazole.
2. The cooling system additive solution as claimed in claim 1, wherein the alcohol solvent is ethylene glycol or propylene glycol.
3. A method for preparing the additive liquid for the cooling system according to claim 1, comprising the steps of:
(1) under normal temperature and normal state, respectively weighing 30-65% of alcohol solvent and 30-69% of deionized water according to mass percent, adding the alcohol solvent and the deionized water into a container A, starting a stirrer, firstly stirring at low speed for 1-5 minutes, and uniformly mixing;
(2) and weighing 1-5% of the composite additive according to the mass percentage, adding the composite additive into the container A, increasing the stirring speed, stirring at a high speed for 10-25 minutes, and uniformly mixing to obtain a finished product.
4. The method for preparing the additive solution for the cooling system according to claim 3, wherein the low-speed stirring speed in the step (1) is 100 to 150 r/min.
5. The method for preparing the additive solution for the cooling system according to claim 3, wherein the high-speed stirring speed in the step (2) is 300 to 500 r/min.
6. The method for using the cooling system additive liquid as claimed in claim 1, wherein the method for using the cooling system additive liquid is completed according to the following steps:
(1) detecting the pH value of the cooling liquid, and judging whether the cooling liquid is invalid:
A. when the pH value is less than 7, the cooling liquid is regarded as failure, and completely new cooling liquid must be replaced,
B. when the pH value is 7-7.5, the cooling liquid is recommended to be replaced, and the additive liquid of the cooling system can be added for continuous use,
C. when the pH value is more than 7.5, the additive liquid of the cooling system is required to be added;
(2) detecting whether the cooling water tank is damaged or not, and if the cooling water tank is damaged or not, maintaining and then supplementing the cooling system additive solution;
(3) in the cooling state of the engine, opening a water tank cover, and adding the cooling system additive liquid to a position between the lowest scale and the highest scale of the liquid level;
(4) and (4) starting the engine, heating the vehicle for about ten minutes, and if the liquid level is reduced, continuously supplementing the cooling system with the additive liquid according to the step (3).
7. The method for using the additive solution for cooling system as claimed in claim 6, wherein the pH value in step (1) is detected by a precision pH test paper or a portable pH meter.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111748324A (en) * | 2020-07-08 | 2020-10-09 | 萱柯氢能科技(北京)有限公司 | Antifreeze fluid for metal bipolar plate fuel cell, preparation method and application |
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| US9567507B2 (en) * | 2012-09-07 | 2017-02-14 | Prestone Products Corporation | Heat transfer fluids and corrosion inhibitor formulations for use thereof |
| CN110093145A (en) * | 2019-05-08 | 2019-08-06 | 广州卡士德汽车用品有限公司 | A kind of long-acting anti-freeze cooling liquid of synthetic additive type and preparation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111748324A (en) * | 2020-07-08 | 2020-10-09 | 萱柯氢能科技(北京)有限公司 | Antifreeze fluid for metal bipolar plate fuel cell, preparation method and application |
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Application publication date: 20200103 |