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Solar energy heat-conducting medium and preparation method thereof

A heat-conducting medium and solar energy technology, applied in the petrochemical field, can solve the problems of fast consumption rate of inorganic salt type corrosion inhibitor, short service life, serious environmental pollution, etc. Effect

Active Publication Date: 2019-04-19
中国船舶集团有限公司第七一八研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Inorganic salt-type corrosion inhibitors consume quickly, have a short service life, and cause serious environmental pollution

Method used

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  • Solar energy heat-conducting medium and preparation method thereof
  • Solar energy heat-conducting medium and preparation method thereof
  • Solar energy heat-conducting medium and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0024] A solar heat conduction medium, based on the total mass of the heat conduction medium raw materials as 100%, wherein the components and their mass fractions are as follows: 30% ethylene glycol, 2% isooctanoic acid, 3% succinic acid, citric acid 1%, benzotriazole 1%, sulfamethoxypyridazine 5%, organosiloxane (Yantai Hengxin Chemical Technology Co., Ltd. THIF-298) 0.1%, fluorescent green (Hunan Jinqiao Chemical Co., Ltd.) 0.001%, Sodium hydroxide 0.5%, the balance is water.

[0025] A preparation method of the solar heat conduction medium described in this embodiment, the method is a composite method, first, add water and ethylene glycol in a stirred tank, mix well and then add isooctanoic acid, succinic acid, benzotriazole and sodium hydroxide, and stir evenly; after the corrosion inhibitor is completely dissolved, add sulfamethoxypyridazine, organosiloxane and fluorescent green and stir to dissolve to obtain a mixed solution, which is filtered to obtain a solar heat con...

Embodiment 2

[0027] A solar heat conduction medium, based on the total mass of the heat conduction medium raw materials as 100%, wherein the components and their mass fractions are as follows: 44% ethylene glycol, 2% octanoic acid, 1.5% sodium benzoate, 1% succinic acid %, benzotriazole 0.5%, sulfamethoxypyridazine 10%, organosiloxane (Yantai Hengxin Chemical Technology Co., Ltd. THIF-298) 0.5%, fluorescent green (Hunan Jinqiao Chemical Co., Ltd.) 0.001%, hydrogen Sodium oxide 1%, the balance is water.

[0028] A preparation method of the solar heat conduction medium described in this embodiment, the method is a composite method, first, add water and ethylene glycol in a stirred tank, mix well and then add octanoic acid, sodium benzoate, succinic acid, benzotri Nitrazole and sodium hydroxide, and stir evenly; After the corrosion inhibitor is completely dissolved, add sulfamethoxypyridazine, organosiloxane and fluorescent green and stir to dissolve, obtain a kind of solar heat conduction me...

Embodiment 3

[0030] A solar heat conduction medium, based on the overall mass of the heat conduction medium raw materials as 100%, wherein the components and their mass fractions are as follows: 60% propylene glycol, 4% isooctanoic acid, 3% sodium benzoate, and 2% succinic acid , 2-mercaptobenzothiazole 1%, sulfamethoxypyridazine 1%, polyether (Yantai Hengxin Chemical Technology Co., Ltd. THIX-299) 1%, sodium hydroxide 0.1%, and the balance is water.

[0031] A preparation method of the solar heat conduction medium described in this embodiment, the method is a composite method, first, add water and propylene glycol in a stirred tank, mix well and then add isooctanoic acid, sodium benzoate, succinic acid, 2-mercaptobenzene and thiazole and sodium hydroxide, and stir evenly; after the corrosion inhibitor is completely dissolved, add sulfamethoxypyridazine and polyether to stir and dissolve, filter to obtain a solar heat conduction medium of the present invention, and pack to form a product. ...

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Abstract

The invention relates to a solar energy heat-conducting medium and a preparation method thereof, and belongs to the field of petrochemical engineering. The solar energy heat-conducting medium comprises following components in percentage by weight: 30 to 60% of anti-freezing agent, 5 to 10% of corrosion inhibitor, 1 to 10% of antioxidant, 0.1 to 1% of antifoaming agent, 0 to 0.001% of dye, 0.1 to 1% of sodium hydroxide, and the balance being water. The solar energy heat-conducting medium has an excellent heat-conducting performance and a prominent and long-lasting corrosion inhibiting effect, and is environmentally friendly.

Description

technical field [0001] The invention relates to a solar heat conduction medium and a preparation method thereof, in particular to a long-acting organic acid type solar heat conduction medium and a preparation method thereof, belonging to the petrochemical field. Background technique [0002] With the continuous construction of high-rise residential buildings in our country, split solar water heaters are more and more favored by consumers due to their advantages such as economy and safety. The inexhaustible and inexhaustible characteristics of solar energy have also attracted the attention of more and more investors in the industry. The solar heat conduction medium is the energy-transfer fluid of the split solar water heater, which is the key link affecting the overall performance of the solar water heater. It has various properties such as antifreeze, anti-boiling and high thermal conductivity. Agents and defoamers, etc. However, the solar heat transfer medium is a consuma...

Claims

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Application Information

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IPC IPC(8): C09K5/10
CPCC09K5/10
Inventor 姜燕蔡淑红王峰李杰刘波涛谭凯锋侯锦锋
Owner 中国船舶集团有限公司第七一八研究所
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