CN114426810A - Heat transfer fluid and preparation method and application thereof - Google Patents
Heat transfer fluid and preparation method and application thereof Download PDFInfo
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- CN114426810A CN114426810A CN202011035335.9A CN202011035335A CN114426810A CN 114426810 A CN114426810 A CN 114426810A CN 202011035335 A CN202011035335 A CN 202011035335A CN 114426810 A CN114426810 A CN 114426810A
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- heat transfer
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- 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
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/10—Liquid materials
Abstract
The invention relates to the technical field of heat transfer fluid, in particular to heat transfer fluid and a preparation method and application thereof. The heat transfer fluid comprises, by weight, 40-60 parts of water, 40-60 parts of ethylene glycol, 2-8 parts of an emulsifier, 1-3 parts of a coupling agent, 0.05-0.2 part of cobalt oxide and 0.05-0.2 part of a heterocyclic compound. Compared with the traditional water-glycol heat-conducting liquid, the heat-conducting coefficient of the heat-conducting fluid is increased by 15%, the heat-conducting intensity is enhanced by 60% in the aspect of a cooling system, the area of a radiator is reduced by 26%, and the performance is remarkably improved. The additive in the heat transfer fluid has stronger performance of dispersing stable nano particles, does not influence the metal corrosion inhibition performance, and simultaneously, the heterocyclic corrosion inhibitor has excellent corrosion inhibition performance.
Description
Technical Field
The invention relates to the technical field of heat transfer fluid, in particular to heat transfer fluid and a preparation method and application thereof.
Background
In the field of heat dissipation in electronic and electrical equipment, liquid cooling techniques have long been accepted by equipment manufacturers. As a mature heat dissipation technology, a liquid cooling heat dissipation method has been widely used for cooling electronic devices, especially high power density components such as power semiconductors, cpu/GPU, ASIC chips, and the like. The cooling liquid used for liquid cooling and heat dissipation is mainly water-based and oil-based, and the water-based has the advantages of large specific heat capacity of a heat dissipation medium, no combustion and low price compared with the oil-based, so that the water-based cooling liquid is increasingly adopted by the electronic equipment at present. As described above, although the specific heat capacity of water is large, the thermal conductivity is not very excellent, and the metal parts of electronic equipment are corroded, so that the specific heat capacity of water tends to be unmistakable when the heat exchange requirement of electronic equipment with higher and higher power density is met.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a water-based heat transfer fluid, a preparation method and application thereof, wherein the water-based heat transfer fluid has high heat conductivity coefficient and excellent metal corrosion inhibition performance, and the service life of the water-based heat transfer fluid is prolonged.
Specifically, the present invention provides the following technical solutions.
A heat transfer fluid comprises, by weight, 40-60 parts of water, 40-60 parts of ethylene glycol, 2-8 parts of an emulsifier, 1-3 parts of a coupling agent, 0.05-0.2 part of cobalt oxide and 0.05-0.2 part of a heterocyclic compound.
Preferably, the heat transfer fluid comprises 50 parts of water, 50 parts of ethylene glycol, 5 parts of emulsifier, 2 parts of coupling agent, 0.1 part of cobalt oxide and 0.1 part of heterocyclic compound.
Preferably, in the heat transfer fluid, the coupling agent is tetraethylene glycol, polyethylene glycol 100 or polypropylene glycol 400, and more preferably, the coupling agent is tetraethylene glycol, polyethylene glycol 100 or polypropylene glycol 400 in a mass ratio of 8:1: 1.
Preferably, in the heat transfer fluid, the cobalt oxide is nano cobalt oxide.
Preferably, in the heat transfer fluid, the emulsifier is lauryl glutamate, lauryl methionine or lauryl arachidate, and more preferably, the emulsifier is lauryl glutamate, lauryl methionine or lauryl arachidate in a mass ratio of 1:1: 1.
Preferably, in the heat transfer fluid, the heterocyclic compound is 5-butyl benzotriazole and/or 1H-benzotriazole-1-methanol, and more preferably, the heterocyclic compound is 5-butyl benzotriazole and 1H-benzotriazole-1-methanol in a mass ratio of 2: 1.
Preferably, the heat transfer fluid comprises 50 parts of water, 50 parts of ethylene glycol, 5 parts of emulsifier, 2 parts of coupling agent, 0.1 part of nano cobalt oxide and 0.1 part of heterocyclic compound, wherein the coupling agent comprises tetraethylene glycol, polyethylene glycol 100 and polypropylene glycol 400 in a mass ratio of 8:1:1, the emulsifier comprises lauryl glutamate, lauryl methionine and lauryl arachidate in a mass ratio of 1:1:1, and the heterocyclic compound comprises 5-butyl benzotriazole and 1H-benzotriazole-1-methanol in a mass ratio of 2: 1.
The invention also provides a preparation method of the heat transfer fluid, which comprises the following steps:
and mixing the water, the glycol and the emulsifier, heating to 75-85 ℃, adding the cobalt oxide, stirring for 0.5-1.5 h, then ultrasonically stirring for 0.5-1.5 h, slowly adding the coupling agent in the process of ultrasonic stirring, finally adding the heterocyclic compound, and uniformly stirring to obtain the heat transfer fluid.
Preferably, the preparation method comprises the following steps:
and mixing the water, the glycol and the emulsifier, heating to 80 ℃, adding the cobalt oxide, stirring for 1h, then ultrasonically stirring for 1h, slowly adding the coupling agent in the ultrasonic stirring process, and finally adding the heterocyclic compound, and stirring for 30min to obtain the heat transfer fluid.
The invention has the following beneficial effects:
(1) compared with the traditional water-glycol heat-conducting liquid, the heat-conducting coefficient of the heat-conducting fluid is increased by 15%, the heat-conducting intensity is enhanced by 60% in the aspect of a cooling system, the area of a radiator is reduced by 26%, and the performance is remarkably improved.
(2) The additive in the heat transfer fluid has stronger performance of dispersing stable nano particles and does not influence the metal corrosion inhibition performance.
(3) The heterocyclic corrosion inhibitor of the heat transfer fluid of the invention has excellent corrosion inhibition performance.
Detailed Description
The present invention will be described in further detail with reference to specific examples, but the scope of the present invention is not limited thereto.
The experimental procedures used in the following examples are conventional unless otherwise specified. The experimental raw materials and the related equipments used in the following examples are commercially available unless otherwise specified.
Example 1
Embodiment 1 provides a heat transfer fluid, which is composed of the following raw materials in parts by weight:
2 parts of coupling agent, 0.1 part of cobalt oxide, 5 parts of emulsifier, 0.1 part of heterocyclic compound, 50 parts of deionized water and 50 parts of ethylene glycol.
Wherein the coupling agent is a mixture of three additives of tetraethylene glycol, polyethylene glycol 100 and polypropylene glycol 400 in a ratio of 8: 1. The emulsifier is glutamic acid lauryl alcohol ester, methionine lauryl alcohol ester and arachidic acid lauryl alcohol ester which are compounded in a ratio of 1:1, and the heterocyclic compound is 5-butyl benzotriazole and 1H-benzotriazole-1-methanol which are compounded in a ratio of 2: 1.
The heat transfer fluid of this example was prepared using the following method: 0.1 parts of cobalt oxide nanoparticles were weighed using an electronic balance with a resolution of 0.1 mg. Then adding 5 parts of emulsifier into 50 parts of deionized water and 50 parts of glycol, stirring uniformly, heating to 80 ℃, adding 0.1 part of cobalt oxide nanoparticles, stirring for 1 hour, transferring the liquid into an ultrasonic stirrer, performing sound wave stirring dispersion for 1 hour, slowly adding 2 parts of coupling agent, and finally adding 0.1 part of heterocyclic compound, and mechanically stirring for 30 minutes.
Example 2
Example 2 provides a heat transfer fluid which differs from example 1 only in that: the coupling agent is polyethylene glycol 100, and the emulsifier is lauryl glutamate.
Comparative example 1
Comparative example 1 provides a heat transfer fluid which differs from example 1 only in that: no cobalt oxide was added.
The thermal conductivities, specific heat capacities, densities and stabilities of the heat transfer fluids of examples 1 to 2, the heat transfer fluid of comparative example 1, the 50/50 water-ethylene glycol heat transfer fluid and pure water were measured using a thermal performance analyzer, a differential scanning calorimeter and a densitometer, and the thermal physical properties of the three fluids were compared. The differences in corrosion inhibition performance of the three fluids were compared using a glassware corrosion tester. The results are shown in Table 1.
TABLE 1
The results in Table 1 show that the heat transfer fluids of examples 1-2 have good corrosion inhibition effects on materials such as red copper, brass, steel, cast iron, soldering tin, cast aluminum and the like, and the overall performance of the heat transfer fluids is equivalent to that of water-glycol heat transfer fluids and is greatly superior to that of pure water. The thermal conductivity coefficient is increased by about 15% in terms of thermophysical performance relative to that of the water-glycol heat-conducting liquid, the heat transfer strength is enhanced by about 60% in terms of a cooling system, the area of a radiator is reduced by about 26%, and extremely remarkable performance improvement is achieved.
Although the invention has been described in detail hereinabove by way of general description, specific embodiments and experiments, it will be apparent to those skilled in the art that many modifications and improvements can be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A heat transfer fluid is characterized by comprising, by weight, 40-60 parts of water, 40-60 parts of ethylene glycol, 2-8 parts of an emulsifier, 1-3 parts of a coupling agent, 0.05-0.2 part of cobalt oxide and 0.05-0.2 part of a heterocyclic compound.
2. The heat transfer fluid of claim 1, comprising 50 parts water, 50 parts ethylene glycol, 5 parts emulsifier, 2 parts coupling agent, 0.1 part cobalt oxide and 0.1 part heterocyclic compound.
3. The heat transfer fluid of claim 1 or 2, wherein the coupling agent is tetraethylene glycol, polyethylene glycol 100 or polypropylene glycol 400, preferably wherein the coupling agent is tetraethylene glycol, polyethylene glycol 100 and polypropylene glycol 400 in a mass ratio of 8:1: 1.
4. A heat transfer fluid according to any of claims 1 to 3, wherein the cobalt oxide is nano cobalt oxide.
5. The heat transfer fluid according to any one of claims 1 to 4, wherein the emulsifier is lauryl glutamate, lauryl methionine or lauryl arachinate, preferably wherein the emulsifier is lauryl glutamate, lauryl methionine or lauryl arachinate in a mass ratio of 1:1: 1.
6. Heat transfer fluid according to any of claims 1 to 5, wherein the heterocyclic compound is 5-butylbenzotriazole and/or 1H-benzotriazole-1-methanol, preferably wherein the heterocyclic compound is 5-butylbenzotriazole and 1H-benzotriazole-1-methanol in a mass ratio of 2: 1.
7. The heat transfer fluid of claim 1, comprising 50 parts of water, 50 parts of ethylene glycol, 5 parts of an emulsifier, 2 parts of a coupling agent, 0.1 part of nano cobalt oxide and 0.1 part of a heterocyclic compound, wherein the coupling agent is tetraethylene glycol, polyethylene glycol 100 and polypropylene glycol 400 in a mass ratio of 8:1:1, the emulsifier is lauryl glutamate, lauryl methionine and lauryl arachidate in a mass ratio of 1:1:1, and the heterocyclic compound is 5-butylbenzotriazole and 1H-benzotriazole-1-methanol in a mass ratio of 2: 1.
8. A method of making a heat transfer fluid according to any of claims 1 to 7, comprising the steps of:
and mixing the water, the glycol and the emulsifier, heating to 75-85 ℃, adding the cobalt oxide, stirring for 0.5-1.5 h, then ultrasonically stirring for 0.5-1.5 h, slowly adding the coupling agent in the process of ultrasonic stirring, finally adding the heterocyclic compound, and uniformly stirring to obtain the heat transfer fluid.
9. The method of claim 8, comprising the steps of:
and mixing the water, the glycol and the emulsifier, heating to 80 ℃, adding the cobalt oxide, stirring for 1h, then ultrasonically stirring for 1h, slowly adding the coupling agent in the ultrasonic stirring process, and finally adding the heterocyclic compound, and stirring for 30min to obtain the heat transfer fluid.
10. Use of the heat transfer fluid of any of claims 1-7 in a cooling system for electronic equipment.
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| CN202011035335.9A CN114426810A (en) | 2020-09-27 | 2020-09-27 | Heat transfer fluid and preparation method and application thereof |
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| CN202011035335.9A CN114426810A (en) | 2020-09-27 | 2020-09-27 | Heat transfer fluid and preparation method and application thereof |
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| CN114426810A true CN114426810A (en) | 2022-05-03 |
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Citations (10)
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|---|---|---|---|---|
| DE4131516A1 (en) * | 1991-09-21 | 1993-04-08 | Rs Automatisierung Gmbh | Heat transfer fluid, esp. for solar collectors - contains finely divided aluminium@ powder and pref. phenolic antioxidant, anti-agglomerant and surfactant |
| US6432320B1 (en) * | 1998-11-02 | 2002-08-13 | Patrick Bonsignore | Refrigerant and heat transfer fluid additive |
| US20020171063A1 (en) * | 2001-03-10 | 2002-11-21 | Evans John W. | Reduced toxicity ethylene glycol-based antifreeze/heat transfer fluid concentrates and antifreeze/heat transfer fluids |
| US20060054564A1 (en) * | 2004-09-08 | 2006-03-16 | Woyciesjes Peter M | Corrosion inhibitors, corrosion inhibiting heat transfer fluids, and the use thereof |
| US20120061611A1 (en) * | 2009-02-13 | 2012-03-15 | Alpha Fry Limited | Heat transfer fluid |
| US20150048272A1 (en) * | 2011-08-26 | 2015-02-19 | Tata Consultancy Services Limited | Nanofluids for heat transfer applications |
| US20160326940A1 (en) * | 2015-05-07 | 2016-11-10 | Evans Cooling Systems, Inc. | Very Low Water Heat Transfer Fluid with Reduced Low Temperature Viscosity |
| CN106147723A (en) * | 2016-06-29 | 2016-11-23 | 中能国业（北京）科技有限公司 | A kind of super heat-transfer working medium, super heat conducting element and preparation method thereof |
| US20180057726A1 (en) * | 2016-08-29 | 2018-03-01 | Quantum Technology Group Limited | Heat transfer medium |
| US20200020998A1 (en) * | 2017-11-30 | 2020-01-16 | Lg Chem, Ltd. | Heat-dissipation fluid composition, method of preparing heat-dissipation fluid composition, and battery module and battery pack including heat-dissipation fluid composition |
-
2020
- 2020-09-27 CN CN202011035335.9A patent/CN114426810A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4131516A1 (en) * | 1991-09-21 | 1993-04-08 | Rs Automatisierung Gmbh | Heat transfer fluid, esp. for solar collectors - contains finely divided aluminium@ powder and pref. phenolic antioxidant, anti-agglomerant and surfactant |
| US6432320B1 (en) * | 1998-11-02 | 2002-08-13 | Patrick Bonsignore | Refrigerant and heat transfer fluid additive |
| US20020171063A1 (en) * | 2001-03-10 | 2002-11-21 | Evans John W. | Reduced toxicity ethylene glycol-based antifreeze/heat transfer fluid concentrates and antifreeze/heat transfer fluids |
| US20060054564A1 (en) * | 2004-09-08 | 2006-03-16 | Woyciesjes Peter M | Corrosion inhibitors, corrosion inhibiting heat transfer fluids, and the use thereof |
| US20120061611A1 (en) * | 2009-02-13 | 2012-03-15 | Alpha Fry Limited | Heat transfer fluid |
| US20150048272A1 (en) * | 2011-08-26 | 2015-02-19 | Tata Consultancy Services Limited | Nanofluids for heat transfer applications |
| US20160326940A1 (en) * | 2015-05-07 | 2016-11-10 | Evans Cooling Systems, Inc. | Very Low Water Heat Transfer Fluid with Reduced Low Temperature Viscosity |
| CN106147723A (en) * | 2016-06-29 | 2016-11-23 | 中能国业（北京）科技有限公司 | A kind of super heat-transfer working medium, super heat conducting element and preparation method thereof |
| US20180057726A1 (en) * | 2016-08-29 | 2018-03-01 | Quantum Technology Group Limited | Heat transfer medium |
| US20200020998A1 (en) * | 2017-11-30 | 2020-01-16 | Lg Chem, Ltd. | Heat-dissipation fluid composition, method of preparing heat-dissipation fluid composition, and battery module and battery pack including heat-dissipation fluid composition |
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