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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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Inorganic salt-type corrosion inhibitors consume quickly, have

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

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Example Embodiment

[0023] Example 1

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

[0025] A method for preparing the solar thermal conductive medium of this embodiment, the method is a compounding method. First, add water and ethylene glycol into the stirred tank, mix well and add isooctanoic acid, succinic acid, and benzotriazole And sodium hydroxide, and stir uniformly; after the corrosion inhibitor is completely dissolved, add sulfamethoxidazine, organosiloxane and fluorescent green, stir and dissolve to obtain a mixed solution, and obtain the solar thermal c...

Example Embodiment

[0026] Example 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: ethylene glycol 44%, caprylic acid 2%, sodium benzoate 1.5%, succinic acid 1 %, benzotriazole 0.5%, sulfamethoxidazine 10%, organosiloxane (Yantai Hengxin Chemical Technology Co., Ltd. THIF-298) 0.5%, fluorescent green (Hunan Jinqiao Chemical Co., Ltd.) 0.001%, hydrogen Sodium oxide is 1%, the balance is water.

[0028] A method for preparing the solar thermal conductive medium described in this embodiment. The method is a compounding method. First, add water and ethylene glycol into the stirred tank, and add octanoic acid, sodium benzoate, succinic acid, and benzotriazine after mixing. Nitroxazole and sodium hydroxide, and stir uniformly; after the corrosion inhibitor is completely dissolved, add sulfamethoxidazine, organosiloxane and fluorescent green, stir and dissolve, and filter t...

Example Embodiment

[0029] Example 3

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

[0031] A method for preparing the solar thermal conductive medium described in this embodiment. The method is a compounding method. First, add water and propylene glycol into a stirred tank, mix well and add isooctanoic acid, sodium benzoate, succinic acid, and 2-mercaptobenzene. After the corrosion inhibitor is completely dissolved, add sulfamethoxidazine and polyether, stir to dissolve, and filter to obtain the solar thermal conductive medium of the present invention, which is packaged 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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