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New heat conduction liquid material containing nanometer aluminum-lithium alloy particles

A technology of aluminum-lithium alloy and heat transfer fluid, applied in the field of energy chemistry, can solve the problems of slow heat dissipation, short service life, easy solidification, etc., and achieve the effect of fast heat dissipation

Inactive Publication Date: 2015-09-09
冯智勇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Mineral heat transfer oil is obtained by extracting a certain fraction during petroleum processing, refining it, and then adding various additives. It is easy to solidify at low temperature, easy to oxidize at high temperature, and has a short service life; synthetic heat transfer oil is pure Or relatively pure chemicals, which have the characteristics of good thermal stability, high operating temperature, long life and renewability; whether it is mineral heat transfer fluid or synthetic heat transfer fluid, there are problems of low heat transfer efficiency and slow heat dissipation question

Method used

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  • New heat conduction liquid material containing nanometer aluminum-lithium alloy particles
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  • New heat conduction liquid material containing nanometer aluminum-lithium alloy particles

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Experimental program
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Effect test

Embodiment 1

[0012] The new heat transfer liquid material containing nano-scale aluminum-lithium alloy particles has the following components and weight percentages:

[0013]

[0014] The new material of the heat transfer liquid containing nano-scale aluminum-lithium alloy particles in the present invention is prepared by taking 62 grams of hydrogenated terphenyl, 26 grams of cyanosilicone oil, 2 grams of octadecylaminopropylamine, and 2 grams of terminal polyisobutylene, respectively adding one Stir in the reaction kettle for 23 minutes. After stirring evenly, add 8 grams of nano-sized aluminum-lithium alloy particles and continue stirring for 15 minutes. Then take out 100 grams of uniform semi-finished products and put them into a 180W ultrasonic emulsifier for 28 minutes. Cavitation " just obtains the off-white translucent or opaque liquid with better fluidity, and this liquid is exactly the finished product of the present invention.

Embodiment 2

[0016] The new heat transfer liquid material containing nano-scale aluminum-lithium alloy particles has the following components and weight percentages:

[0017]

[0018] The weight percentages of the above components in the second embodiment are different from those in the first embodiment, except that the preparation method is consistent with that described in the first embodiment.

Embodiment 3

[0020] The new heat transfer liquid material containing nano-scale aluminum-lithium alloy particles has the following components and weight percentages:

[0021]

[0022] The weight percentages of the above components in the third embodiment are different from those in the first embodiment, except that the preparation method is consistent with that described in the first embodiment.

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Abstract

The invention discloses a new heat conduction liquid material containing nanometer aluminum-lithium alloy particles, and belongs to the field of energy chemistry. The formula of the new heat conduction liquid material comprises hydrogenated terphenyl, cyanogens-containing silicone oil, octaamino propylanmine, terminal-based polyisobutylene and the nanometer aluminum-lithium alloy particles. The new heat conduction liquid material containing the nanometer aluminum-lithium alloy particles as a dispersion phase has the characteristics of high heat transfer efficiency and fast heat radiation, and is mainly used in solar CSP photothermal electric generation systems. The new heat conduction liquid material has the following advantages: the heat conduction coefficient of the material is 1.65-2.55W / m.K, and is about 10 times that of like products in prior art; and the heat radiation speed of the material is far larger than that of the like products in the prior art.

Description

technical field [0001] The invention relates to a high-efficiency heat transfer liquid used in a solar CSP photothermal power generation system, in particular to a new heat transfer liquid material containing nano-scale aluminum-lithium alloy particles as a dispersed phase. The invention belongs to the field of energy chemistry. Background technique [0002] At present, the heat transfer medium used in mature and commercial trough solar CSP photothermal power generation systems is heat transfer fluid, which is divided into mineral type and synthetic type. Mineral type heat transfer fluid is called mineral heat transfer oil, and synthetic type heat transfer fluid The liquid is called synthetic heat transfer oil. Mineral heat transfer oil is obtained by extracting a certain fraction during petroleum processing, refining it, and then adding various additives. It is easy to solidify at low temperature, easy to oxidize at high temperature, and has a short service life; synthetic ...

Claims

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Application Information

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IPC IPC(8): C09K5/08
Inventor 冯智勇
Owner 冯智勇
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