CN102399535A - Heat transfer fluid - Google Patents
Heat transfer fluid Download PDFInfo
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- CN102399535A CN102399535A CN2011101759167A CN201110175916A CN102399535A CN 102399535 A CN102399535 A CN 102399535A CN 2011101759167 A CN2011101759167 A CN 2011101759167A CN 201110175916 A CN201110175916 A CN 201110175916A CN 102399535 A CN102399535 A CN 102399535A
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- heat
- heat transfer
- conducting fluid
- fluid
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- 239000013529 heat transfer fluid Substances 0.000 title 1
- 239000012530 fluid Substances 0.000 claims abstract description 22
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims abstract description 18
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims abstract description 11
- 239000001110 calcium chloride Substances 0.000 claims abstract description 11
- 229910001628 calcium chloride Inorganic materials 0.000 claims abstract description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910000160 potassium phosphate Inorganic materials 0.000 claims abstract description 9
- 235000011009 potassium phosphates Nutrition 0.000 claims abstract description 9
- 235000010344 sodium nitrate Nutrition 0.000 claims abstract description 8
- 239000004317 sodium nitrate Substances 0.000 claims abstract description 8
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000012964 benzotriazole Substances 0.000 claims abstract description 7
- YKLJGMBLPUQQOI-UHFFFAOYSA-M sodium;oxidooxy(oxo)borane Chemical compound [Na+].[O-]OB=O YKLJGMBLPUQQOI-UHFFFAOYSA-M 0.000 claims abstract description 7
- 229940093916 potassium phosphate Drugs 0.000 claims description 8
- 229940001516 sodium nitrate Drugs 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000007710 freezing Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008014 freezing Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract 3
- 239000012153 distilled water Substances 0.000 abstract 1
- 239000006260 foam Substances 0.000 abstract 1
- 231100000956 nontoxicity Toxicity 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 229960001922 sodium perborate Drugs 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 description 11
- 230000007797 corrosion Effects 0.000 description 11
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 230000002528 anti-freeze Effects 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000003245 working effect Effects 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- JKSIXVZIFHKAPJ-UHFFFAOYSA-N 2h-benzotriazole;hydrate Chemical compound O.C1=CC=C2NN=NC2=C1 JKSIXVZIFHKAPJ-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011177 media preparation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002887 superconductor Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Abstract
The invention relates to a heat-conducting fluid, which has the following components: calcium chloride: 1.2-3.2wt%, absolute ethanol: 2.5-4.5wt%, sodium perborate: 0.5-1.5wt%, sodium nitrate: 1.2-2.7wt%, potassium hydroxide: 0.8-1.5wt%, potassium phosphate: 1.2-2.7wt%, benzotriazole: 0.2-0.8wt% and the balance of distilled water. The superconducting fluid has the characteristics of freezing resistance, rust resistance, foam prevention, no toxicity, environmental friendliness, stable performance and good heat transfer effect, and the heat transfer device can remarkably improve the service life and the heat transfer performance by using the heat-conducting fluid.
Description
Technical field
The present invention relates to a kind of heat-conducting fluid.
Background technology
The most frequently used heat-transfer medium is a water, and the heat transfer temperature scope is 5-90 ℃, at this beyond TR, because water is tending towards freezing or boiling and can not make heat transferring agent and use.The advantage of making heat transferring agent with water is that heat-transfer effect is good, with low cost, and its shortcoming is a corrosion equipment, and very easily fouling; Other heat-transfer medium commonly used also has inorganic salts; Like sodium chloride aqueous solution, calcium chloride water, this type heat-transfer medium is serious to various metals and Corrosion of Stainless Steel; At present gradually by the organic alcohols heat-transfer medium, such as the absolute ethyl alcohol aqueous solution, aqueous solution of propylene glycol replacement; Though yet single alcohol solution is lighter to the steel alloy corrosion, to carbon steel and other metal still seriously corroded.A kind of heat exchange system, if heat-transfer medium does not preferably have corrosion, so, because of the action of rust of medium, this heat exchange system leakage phenomenon will occur through the time in about 15 years, its consequence is the work-ing life that has shortened entire equipment greatly.
In addition; Make water as thermal source; Be full of whole cavity space; After must making the intravital water in chamber reach certain temperature, scatterer could compare effective heat supply to indoor, and this kind heat-supplying mode energy consumption is big, increased heat cost; And heat transfer efficiency is low, electrothermal calefactive rate is slow, waste water is many, thermo-efficiency is low, cost is high, work-ing life is short, and the problem that when utilizing thermal oil as heat-conducting liquid, exists is: cost is high, rate of heating is slow, area of dissipation is little, current consumption is high, energy utilization rate is low, cause the significant wastage of resource.
Use heat-conducting medium of the prior art, generally all form, be difficult to take into account the effect of antifreeze, antirust and antiscale by organic medium; And in the prior art because the deicing fluid production formula of different brands difference to some extent, freezing point also has nothing in common with each other, and should not use with.Use the deicing fluid of different brands with, mutual chemical reaction, easy blocking scatterer pipeline influences the use properties of interchanger, even causes scatterer to be scrapped.
For improving the shortcoming of traditional heat-dissipating device, vacuum superconductive radiator has appearred on the market, lumen of radiator is evacuated; Make its inner chamber form negative pressure, suck a small amount of superconducting fluid, under action of negative pressure; When heat medium temperature is low, 40 ℃～50 ℃ superconducting fluid with regard to gasifiable, on move and be full of the lumen of radiator space, through the heat release of scatterer outside surface; Room air is carried out heat exchange, reach the indoor heating purpose.This kind scatterer has heat transfer soon, the characteristics that thermo-efficiency is higher.But the characteristic of existing superconducting fluid is organic, has just determined that the height of the every post of this kind vacuum radiator can not be greater than 500 mm; Like height during greater than 500 mm; Superconducting fluid is just inoperative, and the superconducting fluid after the vaporization can't rise and form loop, not heat release of the raised area; Heat absorption on the contrary, every post thermal load is 70～80 watts under Δ t=64.5 ℃ situation.Little at room area, under the highly high situation, this type of superconducting radiator can't satisfy the heating requirement because of every post thermal load is little, and necessary installation is two-layer, causes waste.And, see just burning of naked light because this type of scatterer inside is organic superconductor liquid, and poisonous, to metallic corrosion, freeze at-20 ℃, be unfavorable for using at extremely frigid zones.
Summary of the invention
The object of the invention is exactly, conduct heat slow, a thermo-efficiency low shortcoming big to present employed heat-transfer medium energy consumption; Developed a kind of heat-conducting fluid; That heat-transfer medium of the present invention has is antifreeze, antirust, anti-foam, nontoxic, environmental friendliness, stable performance, characteristics that heat-transfer effect is good; Scatterer uses heat-transfer medium of the present invention, can significantly improve work-ing life and heat transfer property.
In order to solve the realization above-mentioned purpose, the invention provides following technical scheme:
A kind of heat-conducting fluid; It has following composition: calcium chloride: 1.2-3.2 wt%, absolute ethyl alcohol: 2.5-4.5 wt%, Sodium peroxoborate: 0.5-1.5 wt%, SODIUMNITRATE: 1.2-2.7 wt%, Pottasium Hydroxide: 0.8-1.5 wt%, potassiumphosphate: 1.2-2.7 wt%, benzotriazole: the zero(ppm) water of 0.2-0.8 wt% and surplus.
Preferably, use calcium chloride, potassiumphosphate to substitute SRM 935a commonly used in the prior art, contain the chromium of high price in the SRM 935a, human body or environment are all had very serious potential risk as inorganic antifreezing agent; And the anti-freezing property of calcium chloride and potassiumphosphate is excellent equally, and to human body and environmentally friendly.Wherein, the content of preferred calcium chloride is: 1.5-2.5wt%.Preferably, the content of potassiumphosphate is: 1.5-2.2 wt%.
Absolute ethyl alcohol has very excellent anti-freezing property.Content range at the application's absolute ethyl alcohol is 1.5-2.8wt%.When its content is higher than 2.8 wt%, slow to the lifting of medium anti-freezing property; And content will cause the anti-freezing property of medium not enough when being lower than 1.5 wt%.
Sodium peroxoborate, as freeze proof auxiliary, it also plays the effect of scale inhibition in the application, and the Sodium peroxoborate that adds 0.5-1.5 wt% can be eliminated the risk of calcium chloride fouling.
SODIUMNITRATE and benzotriazole are composite as corrosion inhibitor or inhibiter, and it can guarantee that spreader surface forms uniform passivation layer and organic film in the framework of the present definition, stop the further generation of corrosion reaction.Preferably, the content of SODIUMNITRATE is 1.6-2.5wt% in the present invention.Preferably, the content of benzotriazole is in the present invention: 0.2-0.5wt%.
The adding of Pottasium Hydroxide can be managed medium and is in alkaline state, the tendency of further having avoided corrosion to take place.Its suitable content is 0.8-1.5 wt% in the present invention.
Another aspect of the present invention also discloses a kind of preparation method of heat-conducting fluid, during the medium preparation; Earlier absolute ethyl alcohol is mixed with zero(ppm) water; Be heated to 30-85 ℃ at mixed solution then, add benzotriazole, after stirring; Add calcium chloride, Sodium peroxoborate, SODIUMNITRATE, potassiumphosphate and Pottasium Hydroxide again, be incubated 10-20 minute and get final product.
Compare with heat-conducting fluid of the prior art, the application's heat-conducting fluid has the following advantages:
1., freezing point is low, resistance to frost is excellent, freezing point-38 is ℃ below the degree, low temperature flowability is good.
2., specific heat is high, heat conductivity is good, vaporization losses is few.
3., the metallic conduit in the scatterer had excellent corrosion protection and scale removal effect.
4., Heat stability is good, can guarantee all have favorable cooling effect under the high and low temperature situation.
5., excellent chemical stability, guarantee long-acting antifreeze, the anti-performance of boiling, can in awide temperature range, use.
Embodiment
To combine embodiment that technical scheme of the present invention is described in detail below; The contriver it is pointed out that following examples are in order further to illustrate summary of the invention, and can not be interpreted as the restriction to the invention technical scheme.
Embodiment 1
According to the shown component of table 1 (zero(ppm) water is surplus), prepare the 1-6 heat-transfer medium according to preparation method disclosed by the invention.
The composition of table 1 heat-transfer medium (unit does, wt%, surplus is a zero(ppm) water)
| Numbering | Calcium chloride | Absolute ethyl alcohol | Sodium peroxoborate | SODIUMNITRATE | Potassiumphosphate | Pottasium Hydroxide | Benzotriazole |
| 1 | 1.2 | 2.5 | 0.5 | 1.2 | 1.2 | 0.8 | 0.2 |
| 2 | 1.6 | 2.8 | 0.7 | 1.5 | 1.5 | 0.9 | 0.3 |
| 3 | 2.0 | 3.2 | 0.9 | 1.8 | 1.8 | 1.0 | 0.5 |
| 4 | 2.4 | 3.5 | 1.1 | 2.1 | 2.1 | 1.2 | 0.6 |
| 5 | 2.8 | 3.9 | 1.3 | 2.4 | 2.4 | 1.3 | 0.7 |
| 6 | 3.2 | 4.5 | 1.5 | 2.7 | 2.7 | 1.5 | 0.8 |
Test thermal conductivity, the water specific heat capacity of above-mentioned 1-6 heat-transfer medium under differing temps, the result is presented in the table 2 respectively.
Water specific heat capacity number (unit: W/mK) under table 2 differing temps
Use in addition in scatterer aluminum alloy sheet commonly used, the heat-transfer medium that stainless steel substrates is immersed in the application, do not observe tangible corrosion vestige in 800 hours, show that radiator material commonly used has good corrosion resisting property in heat-transfer medium of the present invention.
Claims (5)
1. heat-conducting fluid; It has following composition: calcium chloride: 1.2-3.2 wt%, absolute ethyl alcohol: 2.5-4.5 wt%, Sodium peroxoborate: 0.5-1.5 wt%, SODIUMNITRATE: 1.2-2.7 wt%, Pottasium Hydroxide: 0.8-1.5 wt%, potassiumphosphate: 1.2-2.7 wt%, benzotriazole: the zero(ppm) water of 0.2-0.8 wt% and surplus.
2. the described heat-conducting fluid of claim 1 is characterized in that the content of described calcium chloride is: 1.5-2.5wt%.
3. the described heat-conducting fluid of claim 1 is characterized in that the content of described potassiumphosphate is: 1.5-2.2 wt%.
4. the described heat-conducting fluid of claim 1, the content that it is characterized in that described SODIUMNITRATE is 1.6-2.5wt%.
5. the described heat-conducting fluid of claim 1 is characterized in that the content of described benzotriazole is: 0.2-0.5wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101759167A CN102399535A (en) | 2011-06-28 | 2011-06-28 | Heat transfer fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101759167A CN102399535A (en) | 2011-06-28 | 2011-06-28 | Heat transfer fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102399535A true CN102399535A (en) | 2012-04-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101759167A Pending CN102399535A (en) | 2011-06-28 | 2011-06-28 | Heat transfer fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102399535A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104902732A (en) * | 2015-06-17 | 2015-09-09 | 东莞市闻誉实业有限公司 | heat sink |
| CN106843428A (en) * | 2017-01-18 | 2017-06-13 | 西安培华学院 | A kind of computer CPU radiating high-efficiency heat conduction cream |
| CN106867480A (en) * | 2017-02-09 | 2017-06-20 | 重庆工业职业技术学院 | A kind of computer water-cooling radiator liquid |
| CN108359413A (en) * | 2018-02-23 | 2018-08-03 | 上海大学 | A kind of liquid-cooled transformer cooling fluid and preparation method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56147882A (en) * | 1980-04-17 | 1981-11-17 | Teijin Ltd | Solid exothermic composition and its use |
| CN1253162A (en) * | 1998-11-08 | 2000-05-17 | 薛丰 | Inorganic superconducting work medium for heat pipe |
| CN1546598A (en) * | 2003-12-17 | 2004-11-17 | 吴维一 | Vacuum superconduction liquid preparation method |
| US20080230740A1 (en) * | 2003-11-13 | 2008-09-25 | Vladisav Milovanovic | Nontoxic Watery Solution Against Freezing and Corrosion and the Regenerator For the Utilized Antifreeze |
| CN101846480A (en) * | 2010-03-26 | 2010-09-29 | 余姚天超通风设备有限公司 | Superconductor heat pipe and preparation method of heat transfer medium thereof |
| CN101993737A (en) * | 2009-08-27 | 2011-03-30 | 陈巧林 | Method for preparing vacuum superconductive liquid |
-
2011
- 2011-06-28 CN CN2011101759167A patent/CN102399535A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56147882A (en) * | 1980-04-17 | 1981-11-17 | Teijin Ltd | Solid exothermic composition and its use |
| CN1253162A (en) * | 1998-11-08 | 2000-05-17 | 薛丰 | Inorganic superconducting work medium for heat pipe |
| US20080230740A1 (en) * | 2003-11-13 | 2008-09-25 | Vladisav Milovanovic | Nontoxic Watery Solution Against Freezing and Corrosion and the Regenerator For the Utilized Antifreeze |
| CN1546598A (en) * | 2003-12-17 | 2004-11-17 | 吴维一 | Vacuum superconduction liquid preparation method |
| CN101993737A (en) * | 2009-08-27 | 2011-03-30 | 陈巧林 | Method for preparing vacuum superconductive liquid |
| CN101846480A (en) * | 2010-03-26 | 2010-09-29 | 余姚天超通风设备有限公司 | Superconductor heat pipe and preparation method of heat transfer medium thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104902732A (en) * | 2015-06-17 | 2015-09-09 | 东莞市闻誉实业有限公司 | heat sink |
| CN106843428A (en) * | 2017-01-18 | 2017-06-13 | 西安培华学院 | A kind of computer CPU radiating high-efficiency heat conduction cream |
| CN106843428B (en) * | 2017-01-18 | 2020-06-30 | 西安培华学院 | Efficient heat-conducting paste for heat dissipation of computer CPU |
| CN106867480A (en) * | 2017-02-09 | 2017-06-20 | 重庆工业职业技术学院 | A kind of computer water-cooling radiator liquid |
| CN108359413A (en) * | 2018-02-23 | 2018-08-03 | 上海大学 | A kind of liquid-cooled transformer cooling fluid and preparation method |
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Application publication date: 20120404 |