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Liquid sucking core component of AMTEC (alkali metal thermoelectric converter) and manufacturing method thereof

A liquid-absorbing core and converter technology, which is applied in capacitor parts, temperature-sensitive equipment, etc., can solve the problems of high resistance along the process, increased manufacturing processes and steps, and interruption of alkali metal liquids, etc., so as to reduce the resistance along the process. The effect of reducing the production process and simplifying the process steps

Inactive Publication Date: 2013-05-01
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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Problems solved by technology

[0003] In the existing manufacturing method of the liquid-absorbing core assembly, the liquid-absorbing core and the evaporator are divided into two parts, which increases the manufacturing process and steps, and after splicing, the alkali metal liquid may stop flowing and evaporate to dryness on the splicing surface , may cause the entire alkali metal thermoelectric conversion unit to fail to operate normally
On the other hand, the use of fixed apertures for the liquid-absorbing core and the evaporator will cause the resistance along the process to reach a very high value, which will also affect the normal operation of the entire alkali metal thermoelectric conversion unit

Method used

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  • Liquid sucking core component of AMTEC (alkali metal thermoelectric converter) and manufacturing method thereof
  • Liquid sucking core component of AMTEC (alkali metal thermoelectric converter) and manufacturing method thereof
  • Liquid sucking core component of AMTEC (alkali metal thermoelectric converter) and manufacturing method thereof

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Embodiment Construction

[0014] The following examples can enable those skilled in the art to understand the present invention more comprehensively, but do not limit the present invention in any way.

[0015] The invention provides a method for integrally manufacturing a liquid-absorbing core assembly of an alkali metal thermoelectric converter. The specific implementation method will be described below with reference to the accompanying drawings.

[0016] image 3 As shown, seven pieces of 10 mm in length, different pore diameters, and press-formed columnar metal powder blocks 4 to 10 are used to make the liquid-absorbing core part, and two 10-mm-length, different pore diameters, pressed and formed blocks are used to make the evaporator part. Columnar metal powder blocks 11 to 12; the apertures of the nine metal powder blocks are different from each other, and the apertures of the nine metal powder blocks decrease sequentially from the metal powder block 4 to the metal powder block 12, put the nine m...

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Abstract

The invention discloses a liquid sucking core component of an AMTEC (alkali metal thermoelectric converter) and a manufacturing method thereof. In the method, metal powder blocks with multiple different apertures are sintered and molded together so as to manufacture the liquid sucking core component for one time, wherein the number of metal powder blocks used for manufacturing a liquid sucking core and evaporators is more than two, and the apertures of the metal powder blocks for manufacturing the liquid sucking core component are successively decreased from the top of the liquid sucking coreto the bottom of the evaporator. By adopting the manufacturing method provided by the invention, the manufacturing process of the traditional liquid sucking core component can be greatly reduced, thus the on-way resistance can be effectively reduced and the situation of the alkali metal cutoff can be avoided happening.

Description

technical field [0001] The invention belongs to the field of thermoelectric conversion, in particular to a liquid-absorbing core component of an alkali metal thermoelectric converter and a manufacturing method. Background technique [0002] Alkali metal thermoelectric converters are high-efficiency area-type energy conversion devices that directly convert thermal energy into electrical energy. In the alkali metal thermoelectric converter unit that utilizes the capillary principle for circulation, the wick assembly includes a wick that provides a circulation head for the thermoelectric conversion unit, and an evaporator that provides a phase change for the liquid alkali metal. Existing manufacturing method of alkali metal thermoelectric converter liquid-absorbing core assembly, such as figure 1 As shown, the liquid-absorbing core and the evaporator with a fixed aperture are fired and molded separately, and then spliced ​​together, and then the metal wrapped on the outer surf...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01G9/21H01G9/004
Inventor 陆道纲施文博张勋马文慧
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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