CN1094502C - Inorganic superconducting work medium for heat pipe - Google Patents
Inorganic superconducting work medium for heat pipe Download PDFInfo
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- CN1094502C CN1094502C CN 98110556 CN98110556A CN1094502C CN 1094502 C CN1094502 C CN 1094502C CN 98110556 CN98110556 CN 98110556 CN 98110556 A CN98110556 A CN 98110556A CN 1094502 C CN1094502 C CN 1094502C
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- heat pipe
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- sodium
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Abstract
The present invention relates to a heat-conducting technology and mainly provides a working medium prepared from inorganic materials. On the basis of 1000 grams of deionized water or high-purity water (gram as a unit), the working medium contains the ingredients of 30 to 50 grams of potassium dichromate, 10 to 15 grams of sodium perborate tetrahydrate, 3 to 5 grams of boric acid, 1 to 3 grams of sodium dioxide, 0.5 to 1.5 grams of aluminum hydroxide, 0.2 to 0.5 gram of bicobalt trioxide and 0.2 to 0.5 gram of manganese dioxide. As indicated by tests, the working medium provided by the present invention has the characteristics of chemical stability, high heat-conducting coefficient and no corrosion.
Description
The present invention relates to the thermal conduction technology, mainly propose a kind of working medium of super heat-conductive pipe of inorganic materials composition.
Heat pipe is used comparatively general in the thermal conduction technical field, propose the achievement in research of multiple heat pipe transmission medium especially in recent years, makes the heat conduction efficiency of heat pipe obtain bigger raising, and more basis has preferably been established in the application of heat pipe.But technical literature is found by retrieval: existing heat pipe working fluid major part is to rely on phase change to carry out the heat transmission; Some is to be working medium with the organism, and its thermal conductivity is less, and chamber pressure is big; Some heat pipe working fluid is easy to generate noncondensable gas H
2, the heat pipe life-span is reduced.
Thus, the objective of the invention is to propose the work medium for heat pipe that a kind of inorganic materials is formed, make it have chemical stabilization, the big and non-corrosive characteristics of thermal conductivity.
The heat-pipe medium that the present invention proposes on test of many times and the basis with reference to a large amount of technical literatures, its composition is: potassium bichromate, Sodium peroxoborate, boric acid, sodium peroxide, aluminium hydroxide, cobalt sesquioxide, Manganse Dioxide; Wherein the add-on of various compositions is: in deionized water or high purity water 1000g (g); Potassium bichromate 30～50, Sodium peroxoborate 10～15, boric acid 3～5, sodium peroxide 1～3, aluminium hydroxide 0.5～1.5, cobalt sesquioxide 0.2～0.5, Manganse Dioxide 0.2～0.5.
The process for preparation of work medium for heat pipe of the present invention is:
Deionized water or high purity water heated 65～80 ℃ pour in the beaker, boric acid is added to dissolving, add again after potassium bichromate is stirred to dissolving, slowly pour Sodium peroxoborate into, question response is slowly poured sodium peroxide into about 20 minutes again, when being reacted into liquid-transparent, add surplus element successively.During use that liquid agitation is even.
Selection in the component of the present invention is mainly considered to utilize: potassium, the characteristics that the sodium element thermal conductivity is good; The chromium element is anti-, the rot-resistant characteristics; Boron can increase the characteristics of lubricity.Other element can increase the medium heat.
The heat pipe superconductive medium that the present invention proposes has good conducting effect:
The heating aspect: adopt the Aoo pure aluminum plate, prolong moldedly through surface treatment, electrostatic plastic spraying is adopted on the surface.The inorganic hot superconductive medium of can, like product adopts thermal oil.
The comparison test result is:
The inorganic hot superconductive medium thermal oil of medium
Intake 800W 1300W
Normal heating-up time 15min 27min
59.5 ℃ 58 ℃ of plate surface temperatures
123 ℃ 123 ℃ of top temperatures
8 ℃ 25 ℃ of the plate face temperature difference
Overall dimensions 780 * 550 * 5.5 810 * 590 * 4.0
In industrial aspect; Employing charges the finned tube air preheater of working medium of the present invention, is in operation with existing rotary preheater relatively:
The hot superconduction finned tube of the former rotary type of air preheater pattern
Normal reduced pressure treatment amount ton/sky 10,600 10600
Gas approach temperature ℃ 327.5 327.5
Exhanst gas outlet temperature ℃ 183 153
Temperature of inlet air ℃ 20 20
Air exit temp ℃ 130 175
Fume side resistance Pa＜700＜500
Air side resistance Pa＜500＜450
Process furnace thermosteresis % 10 8
False air coefficient 0.07～0.15 0
After employing charged the finned tube of working medium of the present invention, funnel temperature reduced, and air preheating temperature improves, the process furnace load be 3,000 ten thousand kilocalories/time, when this preheater reclaims heat 2000KW/ than former revolution preheater more more than, be equivalent to fuel saving gas 182Nm
3/ h, annual by calculating in 8000 hours, fuel cost is more than 90 ten thousand yuan in can saving.
Through test of many times, medium of the present invention does not all have corrosion to materials such as iron, aluminium, copper.
Embodiment:
The proportioning of medium of the present invention (pressing deionized water and high purity water 1000 grams): (unit gram)
Potassium bichromate 50 Sodium peroxoborate 12
Boric acid 4 sodium peroxides 2
Aluminium hydroxide 1 cobalt sesquioxide 0.3
Manganse Dioxide 0.3
Process for preparation as described above.
Claims (1)
1, a kind of inorganic superconducting work medium for heat pipe is characterized in that: composition is potassium bichromate, Sodium peroxoborate, boric acid, sodium peroxide, aluminium hydroxide, cobalt sesquioxide, Manganse Dioxide; Wherein the add-on of various compositions is: in deionized water or high purity water 1000 gram (unit gram) potassium bichromate 30～50, Sodium peroxoborate 10～15, boric acid 3～5, sodium peroxide 1～3, aluminium hydroxide 0.5～1.5, cobalt sesquioxide 0.2～0.5, Manganse Dioxide 0.2～0.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98110556 CN1094502C (en) | 1998-11-08 | 1998-11-08 | Inorganic superconducting work medium for heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98110556 CN1094502C (en) | 1998-11-08 | 1998-11-08 | Inorganic superconducting work medium for heat pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1253162A CN1253162A (en) | 2000-05-17 |
| CN1094502C true CN1094502C (en) | 2002-11-20 |
Family
ID=5220590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98110556 Expired - Fee Related CN1094502C (en) | 1998-11-08 | 1998-11-08 | Inorganic superconducting work medium for heat pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1094502C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100362306C (en) * | 2005-10-25 | 2008-01-16 | 孙善民 | Superconductive medium radiator |
| CN102399535A (en) * | 2011-06-28 | 2012-04-04 | 苏州方暨圆节能科技有限公司 | Heat-conduction fluid |
| CN105542725B (en) * | 2016-03-01 | 2019-05-21 | 杭州明锐环保技术有限公司 | A kind of heat-transfer working medium and the thermal siphon containing heat-transfer working medium |
| CN112714598B (en) * | 2020-12-29 | 2022-04-29 | 瑞声科技（南京）有限公司 | Heat dissipation element |
| CN112852385A (en) * | 2021-03-20 | 2021-05-28 | 天津锦源远华石油工程技术有限公司 | Novel composite chemical heat-conducting medium |
-
1998
- 1998-11-08 CN CN 98110556 patent/CN1094502C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1253162A (en) | 2000-05-17 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |