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Non-oxidation split charging device and non-oxidation split charging method for manufacturing alkali-metal high-temperature heat tubes

A high-temperature heat pipe and alkali metal technology, applied in the field of heat pipes, can solve problems affecting temperature control, affecting the final performance of heat pipes, and affecting filling stability, etc., to reduce trouble, avoid the influence of air leakage and partial pressure, and improve the sealing performance

Active Publication Date: 2013-01-16
CHINA ACAD OF AEROSPACE AERODYNAMICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the use of peripheral heating, the thermal resistance caused by the contact gap affects the temperature control and the stability of the filling; in addition, due to the inert gas protection of the open vacuum glove sleeve, a small part of the alkali metal is still oxidized during the packaging process. , also affects the final performance of the heat pipe

Method used

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  • Non-oxidation split charging device and non-oxidation split charging method for manufacturing alkali-metal high-temperature heat tubes
  • Non-oxidation split charging device and non-oxidation split charging method for manufacturing alkali-metal high-temperature heat tubes
  • Non-oxidation split charging device and non-oxidation split charging method for manufacturing alkali-metal high-temperature heat tubes

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Experimental program
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Effect test

Embodiment 1

[0077] A device for preparing alkali metal high-temperature heat pipes, such as figure 1 As shown, the device includes a high-temperature heat pipe 101, a high-temperature storage tank 201, a glove box 301, an ultra-high vacuum molecular pump unit 107, pipelines and valves; the glove box 301 includes an exhaust main pipe 303;

[0078] Wherein, the pipeline includes a main air intake pipe 103, a branch air extraction bypass 212, an intake bypass 213 and an air outlet bypass 213';

[0079] The valves include a first ultra-high vacuum sealing valve 104, a second ultra-high vacuum sealing valve 105, a third ultra-high vacuum sealing valve 106, a fourth ultra-high vacuum sealing valve 108, a fifth inlet valve 110, a sixth inlet valve 111 and The seventh exhaust valve 112;

[0080] The main intake pipe 103 communicates with the outlet bypass 213' through the sixth intake valve 111;

[0081]The main intake pipe 103 communicates with the intake bypass 213 through the first ultra-vac...

Embodiment 2

[0125] Such as Figure 7 As shown, the difference from Embodiment 1 is that the exhaust guide pipe 307 is inside the glove box 301 .

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Abstract

The invention relates to a non-oxidation split charging device and a non-oxidation split charging method for manufacturing alkali-metal high-temperature heat tubes, and belongs o the technical field of heat tubes. The device comprises high-temperature heat tubes, high-temperature storage tanks, operation boxes with gloves, ultrahigh vacuum molecular pump units, pipelines and valves, each operation box with gloves comprises exhaust manifolds, each pipeline comprises a main gas inlet pipe, a branched exhaust bypass, a gas inlet bypass and a gas outlet bypass, and the valves include ultrahigh vacuum seal valves, gas inlet valves and exhaust valves. An alkali-metal process is significantly improved, non-oxidation alkali-metal split charging is realized, alkali-metal split charging hours for the heat tubes are few, aftertreatment time for completing a technological process is short, quantitative split charging for the multiple heat tubes can be carried out at one step, so that work efficiency in a split charging process for a single heat tube or the multiple heat tubes is greatly improved, consumption of water, electricity, gas and the like is greatly reduced, and the non-oxidation alkali-metal split charging process is greatly improved.

Description

technical field [0001] The invention relates to a device and a method for preparing an alkali metal high-temperature heat pipe, belonging to the technical field of heat pipes. Background technique [0002] The heat pipe is a high-performance heat transfer element, which is a device that continuously transfers heat from the heat source to the heat sink by the evaporation, condensation and reflow of the internal working medium (working fluid). Heat pipes have the characteristics of high heat transfer capacity, high isothermal and variable heat flux capabilities. [0003] High-temperature heat pipes generally refer to heat pipes with an operating temperature greater than 500°C, and mostly use alkali metals as working fluids, such as potassium, sodium, lithium, etc. Alkali metal working fluid is solid at normal temperature, and it is easy to oxidize in a weak oxygen environment; in addition, the melting points of different alkali metals are different, for example, the melting p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D15/02
Inventor 曲伟艾邦成俞继军薛志虎
Owner CHINA ACAD OF AEROSPACE AERODYNAMICS
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