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Modular electric heating simulation heat source for ETG

An electric heating and modular technology, which is applied in ohmic resistance heating, ohmic resistance heating parts, electric heating devices, etc., can solve the problems of the absence of simulated heat sources, etc., and achieve the effects of reducing research costs, long life at high temperature, and speeding up research progress

Active Publication Date: 2020-03-27
CHINA INSTITUTE OF ATOMIC ENERGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] There is no suitable simulated heat source in the current state of the art

Method used

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  • Modular electric heating simulation heat source for ETG
  • Modular electric heating simulation heat source for ETG

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Embodiment Construction

[0023] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0024] Such as figure 1 As shown, the present invention provides a modular electric heating simulation heat source for ETG, which includes at least two stacked modules; the modules include a module box and an electric heating unit arranged in the module box. The module box includes a module box main body 7 and a module box end cover 1, the number of end covers is consistent with the number of electric heating units; each module box is provided with at least two electric heating units, preferably four. The electric heating unit is wrapped with a heat insulation layer. The heat insulation layer includes a heat insulation layer cylinder body 5 , a heat insulation layer upper end cap 2 and a heat insulation layer lower end cap 6 .

[0025] Such as figure 2 As shown, the electric heating unit includes a casing, a coil holding threaded pipe 13 and a res...

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Abstract

The invention relates to a modular electric heating simulation heat source for ETG. The modular electric heating simulation heat source comprises at least two stacked modules. The module comprises a module box and an electric heating unit arranged in the module box. The electric heating unit is wrapped with a heat insulation layer. The electric heating unit comprises a cladding, a coil holding threaded pipe and a resistance wire spiral coil. The coil holding threaded pipe is mounted in the cladding. The resistance wire spiral coil is installed in the coil maintaining threaded pipe, and the coil maintaining threaded pipe is provided with internal threads matched with the resistance wire spiral coil. The beneficial effects of the heat souorce are as follows: the spiral coil simulates the radioactive source for heating, it is guaranteed that the heat flow path of the electric heating unit and the heat flow path of the radioactive source fuel pellet single body are basically the same, surface temperature distribution is basically consistent, overall temperature distribution is also basically consistent, a radioactive source is replaced to test and verify the performance of the generator, early-stage research cost is greatly reduced, and the research progress is accelerated.

Description

technical field [0001] The invention belongs to the field of nuclear industry, and in particular relates to a modular electric heating simulation heat source for ETG. Background technique [0002] There is an urgent need for radioisotope thermoelectric generators in the field of deep space exploration. Among them, the radioactive isotope is the energy source of the generator. Among them, high-power generator sources require several thousand watts of radioactive sources. Such a large number of radioactive sources are designed as a modular structure, consisting of multiple modules stacked together. Since the radioisotope heat source is extremely expensive and extremely rare, there is not and cannot be enough radioisotope to serve it in the early stage of the generator research. Therefore, it is necessary to use a simulated heat source as a substitute for a radiation source to simulate its heat output to verify whether the design of the generator is reasonable and whether th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T7/00G01T1/00G01K7/02H05B3/14H05B3/18H05B3/02
CPCG01T7/00G01T1/00G01K7/02H05B3/145H05B3/18H05B3/02
Inventor 何虎唐显马俊平李思杰于雪
Owner CHINA INSTITUTE OF ATOMIC ENERGY
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