CN112852385A - Novel composite chemical heat-conducting medium - Google Patents
Novel composite chemical heat-conducting medium Download PDFInfo
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- CN112852385A CN112852385A CN202110298981.2A CN202110298981A CN112852385A CN 112852385 A CN112852385 A CN 112852385A CN 202110298981 A CN202110298981 A CN 202110298981A CN 112852385 A CN112852385 A CN 112852385A
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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
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
- C09K5/048—Boiling liquids as heat transfer materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The invention discloses a novel composite chemical heat-conducting medium which is composed of deionized water, ethylene glycol, propylene glycol, ethanol, triethanolamine, sodium carbonate, potassium carbonate, boric acid, sodium perborate, dibutyl carboxylic acid toluene, ethylene (propylene) glycol dimethyl ester, manganese dioxide and maleic anhydride. The invention adopts the compounding of organic and inorganic chemical substances, has wide use temperature, can ensure the fluidity at low temperature and the stability at high temperature, and has long service life. The invention has high heat conduction efficiency, no corrosion to equipment such as boilers, heat exchange equipment, pipelines and the like, little or even no scale formation and salt accumulation, can prolong the service life of the equipment to a certain extent, and has excellent chemical stability.
Description
Technical Field
The invention relates to the technical field of heat conduction, in particular to a novel composite chemical heat-conducting medium.
Background
The heat-conducting medium is widely applied in the current life and industrial processes, and can be used for energy equipment of industrial waste heat recovery and utilization, heat dissipation of computer CPUs (central processing units), heat dissipation of high-power electronic elements, solar energy, high-pressure boilers, civil heating, industrial drying, food drying, normal-pressure boilers, medical appliances, plastic greenhouses, waste heat recovery and the like.
Water is used as a common medium in a traditional heat-taking heating system, has good heat conductivity, and has large specific heat capacity and good heat absorption performance. However, the freezing point of water is high, the water begins to freeze and expand in volume below 0 ℃, and the water cannot be normally used in northern areas and other areas below 0 ℃ in winter. The high temperature resistance of the whole heat exchange system is greatly influenced by the boiling point of the heat-conducting medium, and the boiling points of water and a plurality of heat-conducting media on the market are only 90-100 ℃, are easy to volatilize and need to be supplemented with water frequently. The heat collector, the circulating pipeline, the water pump, the water tank and other parts in the heat conducting system are made of steel, cast iron, brass, red copper, aluminum and stainless steel, electrochemical corrosion is easy to occur under the action of electrolyte due to different metal electrode potentials, meanwhile, alcohol substances in the heat conducting liquid can be decomposed to form acid products, corrosion of the heat conducting system can be promoted, water circulation is not smooth, pipelines are blocked, the temperature of water is slowly increased or is not increased, if the water tank is corroded and perforated, the heat conducting liquid permeates the water tank, and health hidden dangers can be brought to consumers.
Disclosure of Invention
Therefore, based on the above background, the present invention provides a novel composite chemical heat-conducting medium, which has stable high-temperature performance, good low-temperature fluidity, wider application temperature, no corrosion to boilers and pipelines, and good corrosion resistance.
The technical scheme of the invention is as follows:
a chemical heat-conducting medium comprises the following components in parts by weight: 1-80 parts of deionized water, 5-20 parts of ethylene glycol, 2-20 parts of propylene glycol, 1-30 parts of ethanol, 1-10 parts of triethanolamine, 1-5 parts of sodium carbonate, 1-5 parts of potassium carbonate, 2-5 parts of boric acid, 2-5 parts of sodium perborate, 1-10 parts of dibutyl carboxylic acid toluene, 5-10 parts of ethylene (propylene) glycol dimethyl ester, 0.5-2 parts of manganese dioxide and 0.5-5 parts of maleic anhydride.
Preferably, it consists of the following components in parts by weight:
30-70 parts of deionized water, 5-10 parts of ethylene glycol, 5-10 parts of propylene glycol, 10-15 parts of ethanol, 1-5 parts of triethanolamine, 1-3 parts of sodium carbonate, 1-3 parts of potassium carbonate, 2-5 parts of boric acid, 2-5 parts of sodium perborate, 1-5 parts of dibutyl carboxylic acid toluene, 5-10 parts of ethylene (propylene) glycol dimethyl ester, 0.5-2 parts of manganese dioxide and 0.5-5 parts of maleic anhydride.
Preferably, it consists of the following components in parts by weight:
40-50 parts of deionized water, 8-10 parts of ethylene glycol, 8-10 parts of propylene glycol, 10-15 parts of ethanol, 2-5 parts of triethanolamine, 1-2 parts of sodium carbonate, 1-2 parts of potassium carbonate, 2-5 parts of boric acid, 3-5 parts of sodium perborate, 2-5 parts of dibutyl carboxylic acid toluene, 5-8 parts of ethylene (propylene) glycol dimethyl ester, 0.5-1 part of manganese dioxide and 0.5-3 parts of maleic anhydride.
Preferably, the feed additive is prepared from the following raw materials in parts by weight:
the composition comprises the following components in parts by weight:
50 parts of deionized water, 8 parts of ethylene glycol, 8 parts of propylene glycol, 10 parts of ethanol, 2 parts of triethanolamine, 1.5 parts of sodium carbonate, 2 parts of potassium carbonate, 2 parts of boric acid, 3 parts of sodium perborate, 2 parts of dibutyl carboxylic acid toluene, 5 parts of ethylene (propylene) glycol dimethyl ester, 1 part of manganese dioxide and 1 part of maleic anhydride.
Preferably, the feed additive is prepared from the following raw materials in parts by weight:
the composition comprises the following components in parts by weight:
40 parts of deionized water, 10 parts of ethylene glycol, 10 parts of propylene glycol, 15 parts of ethanol, 5 parts of triethanolamine, 2 parts of sodium carbonate, 1.5 parts of potassium carbonate, 5 parts of boric acid, 5 parts of sodium perborate, 5 parts of dibutyl carboxylic acid toluene, 8 parts of ethylene (propylene) glycol dimethyl ester, 0.5 part of manganese dioxide and 3 parts of maleic anhydride.
Further, the degree of polymerization of maleic anhydride was 6000-9000.
Further, the pH value is 7.5 to 10.
Further, the freezing point is-40 ℃ to-10 ℃, and the boiling point is 120 ℃ to 230 ℃.
Preferably, it has a freezing point of-35 ℃ and a boiling point of 200 ℃.
Compared with the prior art, the invention has the advantages that:
1) the invention adopts the compounding of organic and inorganic chemical substances, has wide use temperature, can ensure the fluidity at low temperature and the stability at high temperature, and has long service life.
2) The invention has high heat conduction efficiency, no corrosion to boilers, heat exchange equipment, pipelines and the like, little or even no scale formation and salt accumulation, can prolong the service life of equipment to a certain extent, and has excellent chemical stability.
Detailed Description
The present invention is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.
Example 1: a novel composite chemical heat-conducting medium comprises the following components in parts by weight:
50 parts of deionized water, 8 parts of ethylene glycol, 8 parts of propylene glycol, 10 parts of ethanol, 2 parts of triethanolamine, 1.5 parts of sodium carbonate, 2 parts of potassium carbonate, 2 parts of boric acid, 3 parts of sodium perborate, 2 parts of dibutyl carboxylic acid toluene, 5 parts of ethylene (propylene) glycol dimethyl ester, 1 part of manganese dioxide and 1 part of maleic anhydride.
Example 2: a novel composite chemical heat-conducting medium comprises the following components in parts by weight:
70 parts of deionized water, 10 parts of ethylene glycol, 10 parts of propylene glycol, 10 parts of ethanol, 2 parts of triethanolamine, 1.5 parts of sodium carbonate, 2 parts of potassium carbonate, 2 parts of boric acid, 3 parts of sodium perborate, 2 parts of dibutyl carboxylic acid toluene, 5 parts of ethylene (propylene) glycol dimethyl ester, 1.5 parts of manganese dioxide and 3 parts of maleic anhydride.
Example 3: a novel composite chemical heat-conducting medium comprises the following components in parts by weight:
50 parts of deionized water, 10 parts of ethylene glycol, 10 parts of propylene glycol, 5 parts of ethanol, 2 parts of triethanolamine, 1.5 parts of sodium carbonate, 2 parts of potassium carbonate, 2 parts of boric acid, 3 parts of sodium perborate, 2 parts of dibutyl carboxylic acid toluene, 5 parts of ethylene (propylene) glycol dimethyl ester, 1 part of manganese dioxide and 1 part of maleic anhydride.
Example 4: a novel composite chemical heat-conducting medium comprises the following components in parts by weight:
20 parts of deionized water, 10 parts of ethylene glycol, 10 parts of propylene glycol, 10 parts of ethanol, 2 parts of triethanolamine, 1.5 parts of sodium carbonate, 2 parts of potassium carbonate, 2 parts of boric acid, 3 parts of sodium perborate, 2 parts of dibutyl carboxylic acid toluene, 5 parts of ethylene (propylene) glycol dimethyl ester, 1 part of manganese dioxide and 1 part of maleic anhydride.
The ethylene glycol and the propylene glycol are used as heat-conducting medium materials, the stability of the ethylene glycol and the propylene glycol is high, the ethylene glycol and the propylene glycol are not easily acidified, the viscosity is low, the boiling point of the heat-conducting medium can be increased, and a certain freezing point can be ensured. The boiling point of the ethanol is low, and the heat absorption can be realized through the phase change of the ethanol in the using process by adjusting the amount of the ethanol, so that the heat transfer efficiency of the ethanol is improved; the triethanolamine, the sodium carbonate and the potassium carbonate are selected to adjust the pH value of the heat-conducting medium through the mutual synergistic effect of the organic compound and the organic compound, and the pH value is adjusted to be proper alkalinity; sodium and potassium in the sodium carbonate and the potassium carbonate have good heat-conducting property, so that the heat-conducting efficiency can be improved; the invention also adds an ester (ethylene (propylene) glycol dimethyl ester) compound with potential decomposition capability, which not only can supplement lost ethylene (propylene) glycol in time, but also can generate organic acid with metal corrosion inhibition effect, and can ensure long-time heat conduction efficiency of the heat conduction medium and prolong the service life of the heat conduction medium under the high-temperature working state; the boron element in the boric acid and the sodium perborate can play a lubricating role, and the dibutyl carboxyl toluene can play an anti-oxidation role; the added maleic anhydride is compounded with other organic substances, so that the scale inhibitor has an excellent scale inhibition effect in a high-temperature circulation system.
The invention and its embodiments have been described above, without this being limitative. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A novel composite chemical heat-conducting medium is characterized in that,
the composition comprises the following components in parts by weight: 1-80 parts of deionized water, 5-20 parts of ethylene glycol, 2-20 parts of propylene glycol, 1-30 parts of ethanol, 1-10 parts of triethanolamine, 1-5 parts of sodium carbonate, 1-5 parts of potassium carbonate, 2-5 parts of boric acid, 2-5 parts of sodium perborate, 1-10 parts of dibutyl carboxylic acid toluene, 5-10 parts of ethylene (propylene) glycol dimethyl ester, 0.5-2 parts of manganese dioxide and 0.5-5 parts of maleic anhydride.
2. The novel composite chemical heat-conducting medium according to claim 1,
the composition comprises the following components in parts by weight:
30-70 parts of deionized water, 5-10 parts of ethylene glycol, 5-10 parts of propylene glycol, 10-15 parts of ethanol, 1-5 parts of triethanolamine, 1-3 parts of sodium carbonate, 1-3 parts of potassium carbonate, 2-5 parts of boric acid, 2-5 parts of sodium perborate, 1-5 parts of dibutyl carboxylic acid toluene, 5-10 parts of ethylene (propylene) glycol dimethyl ester, 0.5-2 parts of manganese dioxide and 0.5-5 parts of maleic anhydride.
3. The novel composite chemical heat-conducting medium according to claim 2,
the composition comprises the following components in parts by weight:
40-50 parts of deionized water, 8-10 parts of ethylene glycol, 8-10 parts of propylene glycol, 10-15 parts of ethanol, 2-5 parts of triethanolamine, 1-2 parts of sodium carbonate, 1-2 parts of potassium carbonate, 2-5 parts of boric acid, 3-5 parts of sodium perborate, 2-5 parts of dibutyl carboxylic acid toluene, 5-8 parts of ethylene (propylene) glycol dimethyl ester, 0.5-1 part of manganese dioxide and 0.5-3 parts of maleic anhydride.
4. The novel composite chemical heat-conducting medium according to claim 3,
the composition comprises the following components in parts by weight:
50 parts of deionized water, 8 parts of ethylene glycol, 8 parts of propylene glycol, 10 parts of ethanol, 2 parts of triethanolamine, 1.5 parts of sodium carbonate, 2 parts of potassium carbonate, 2 parts of boric acid, 3 parts of sodium perborate, 2 parts of dibutyl carboxylic acid toluene, 5 parts of ethylene (propylene) glycol dimethyl ester, 1 part of manganese dioxide and 1 part of maleic anhydride.
5. The novel composite chemical heat-conducting medium according to claim 3,
the composition comprises the following components in parts by weight:
40 parts of deionized water, 10 parts of ethylene glycol, 10 parts of propylene glycol, 15 parts of ethanol, 5 parts of triethanolamine, 2 parts of sodium carbonate, 1.5 parts of potassium carbonate, 5 parts of boric acid, 5 parts of sodium perborate, 5 parts of dibutyl carboxylic acid toluene, 8 parts of ethylene (propylene) glycol dimethyl ester, 0.5 part of manganese dioxide and 3 parts of maleic anhydride.
6. A novel composite chemical heat-conducting medium according to any one of claims 1 to 5, characterized in that its pH is 7.5 to 10.
7. The novel composite chemical heat-conducting medium as claimed in any one of claims 1-5, wherein the freezing point is-40 ℃ to-10 ℃, and the boiling point is 120 ℃ and 230 ℃.
8. A novel composite chemical heat-conducting medium according to claim 7, characterized in that its freezing point is-35 ℃ and its boiling point is 200 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110298981.2A CN112852385A (en) | 2021-03-20 | 2021-03-20 | Novel composite chemical heat-conducting medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110298981.2A CN112852385A (en) | 2021-03-20 | 2021-03-20 | Novel composite chemical heat-conducting medium |
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| CN112852385A true CN112852385A (en) | 2021-05-28 |
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| CN202110298981.2A Pending CN112852385A (en) | 2021-03-20 | 2021-03-20 | Novel composite chemical heat-conducting medium |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1253162A (en) * | 1998-11-08 | 2000-05-17 | 薛丰 | Inorganic superconducting work medium for heat pipe |
| CN101575501A (en) * | 2009-06-14 | 2009-11-11 | 杨孝才 | Refrigerant agent |
| CN101899286A (en) * | 2010-07-16 | 2010-12-01 | 新疆敦华石油技术有限公司 | Superconducting fluid and vacuum radiator using same |
| CN102878838A (en) * | 2012-09-04 | 2013-01-16 | 东莞市焊宏爱法电子科技有限公司 | Heat pipe and heat-conducting medium thereof |
| CN106590554A (en) * | 2016-11-15 | 2017-04-26 | 合肥星服信息科技有限责任公司 | Eco-friendly automobile engine antifreezing solution |
| CN106701043A (en) * | 2016-12-29 | 2017-05-24 | 山东省科学院能源研究所 | Water-borne organic cold carrying/heat conduction medium and preparation method thereof |
| CN108359415A (en) * | 2015-09-23 | 2018-08-03 | 山东安纳吉能源科技发展有限公司 | Ethylene glycol type solar energy heat conducting medium |
| CN110791362A (en) * | 2019-09-26 | 2020-02-14 | 马鞍山市龙腾机电科技有限公司 | Cooling liquid for cooling workpiece of machine tool cooling system |
-
2021
- 2021-03-20 CN CN202110298981.2A patent/CN112852385A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1253162A (en) * | 1998-11-08 | 2000-05-17 | 薛丰 | Inorganic superconducting work medium for heat pipe |
| CN101575501A (en) * | 2009-06-14 | 2009-11-11 | 杨孝才 | Refrigerant agent |
| CN101899286A (en) * | 2010-07-16 | 2010-12-01 | 新疆敦华石油技术有限公司 | Superconducting fluid and vacuum radiator using same |
| CN102878838A (en) * | 2012-09-04 | 2013-01-16 | 东莞市焊宏爱法电子科技有限公司 | Heat pipe and heat-conducting medium thereof |
| CN108359415A (en) * | 2015-09-23 | 2018-08-03 | 山东安纳吉能源科技发展有限公司 | Ethylene glycol type solar energy heat conducting medium |
| CN106590554A (en) * | 2016-11-15 | 2017-04-26 | 合肥星服信息科技有限责任公司 | Eco-friendly automobile engine antifreezing solution |
| CN106701043A (en) * | 2016-12-29 | 2017-05-24 | 山东省科学院能源研究所 | Water-borne organic cold carrying/heat conduction medium and preparation method thereof |
| CN110791362A (en) * | 2019-09-26 | 2020-02-14 | 马鞍山市龙腾机电科技有限公司 | Cooling liquid for cooling workpiece of machine tool cooling system |
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Application publication date: 20210528 |