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Double-layer light iodine storage tank capable of exhausting gas by using molecular sieve

A technology of molecular sieve and storage tank, which is applied in the direction of aerospace vehicle propulsion system, etc., can solve the problems of low heating efficiency, long start-up time, bulky iodine storage tank, etc., and achieve the effect of improving heating efficiency and good heat preservation effect

Active Publication Date: 2022-04-15
SHANGHAI INST OF SPACE PROPULSION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this solution will cause the iodine storage tank to withstand an internal pressure of up to 0.1 MPa, and the iodine storage tank must be designed as a pressure-resistant structure, resulting in bulky iodine storage tanks, low heating efficiency, and long start-up time, which restricts the iodine storage tanks from working on orbit.

Method used

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  • Double-layer light iodine storage tank capable of exhausting gas by using molecular sieve
  • Double-layer light iodine storage tank capable of exhausting gas by using molecular sieve
  • Double-layer light iodine storage tank capable of exhausting gas by using molecular sieve

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Embodiment 1

[0033] Embodiments of the present invention provide a double-layer light iodine storage tank utilizing molecular sieve exhaust, referring to figure 1 , figure 2 and image 3 As shown, it includes: a tank body 1, a molecular sieve 2, a tank cover 4, a heat shield 6, a spacer 8, a fixing frame 7 and a radiation heating plate 9; the tank body 1 is provided with a first outlet pipeline 3 and The second outlet pipeline 10, the first outlet pipeline 3 leads to the downstream pipeline, and the second outlet pipeline 10 leads to the external environment. Wherein, the molecular sieve 2 is placed in the first outlet pipeline 3, and the space between the molecular sieve 2 and the first outlet pipeline 3 is sealed with a sealing ring or sealant. In this embodiment, the molecular sieve 2 is a hollow cylindrical molecular sieve.

[0034] The storage tank cover 4 is arranged on the storage tank body 1, and the storage tank cover 4 is provided with terminal posts 5; the heat shield 6 and t...

Embodiment 2

[0039] The present invention provides a double-layer light iodine storage tank using molecular sieve exhaust. On the basis of Example 1, a sheet molecular sieve 2 is used instead of a hollow cylindrical molecular sieve 2, which can be installed on the storage tank cover 4 without the need for a second an outlet pipeline 3 .

[0040] The embodiment of the present invention provides a double-layer light iodine storage tank using molecular sieve exhaust. The double-layer light iodine storage tank using molecular sieve exhaust can use a vacuum that can separate iodine vapor and air when vacuuming or breaking the vacuum. Molecular sieve keeps the air pressure inside and outside the tank always balanced, laying the foundation for the lightweight tank design; through the internal radiant heating plate, the solid iodine working medium is changed into iodine vapor, which provides propellant for the electric thruster and improves the storage tank. Heating efficiency; the design of the t...

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Abstract

The invention provides a double-layer light iodine storage tank capable of exhausting gas by using a molecular sieve, and relates to the technical field of space propulsion, and the double-layer light iodine storage tank comprises a storage tank body, the molecular sieve, a storage tank cover, a heat screen, a shock insulator, a fixing frame and a radiation heating plate; a first outlet pipeline and a second outlet pipeline are arranged on the storage tank body, the molecular sieve is arranged in the first outlet pipeline, and the molecular sieve and the first outlet pipeline are sealed; the storage box cover is arranged on the storage box body, and a binding post is arranged on the storage box cover; the heat insulation screen and the radiation heating plate are separated by a separation pad and are jointly fixed on the fixing frame; the fixing frame is connected to the storage box cover. The problems that in the prior art, a storage box is heavy, the heating efficiency is low, and the starting time is long can be solved.

Description

technical field [0001] The present invention relates to the field of space propulsion technology, in particular to a working medium storage and supply unit for electric propulsion—a double-layer light iodine storage tank using molecular sieve exhaust, especially to a double-layer light iodine storage tank using molecular sieve exhaust . Background technique [0002] In the field of space electric propulsion, the working medium generally used is xenon, but because xenon is expensive and has problems such as high-pressure storage, iodine working medium has become an important research direction. The price of solid iodine is relatively cheap, and the storage density is high. The performance of the iodine working medium thruster is basically close to that of xenon, and even better than xenon in some aspects. [0003] However, after the iodine storage tank is filled with solid iodine, there must be an atmospheric pressure in the storage tank. The current solution is to open the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64G1/40
CPCY02E30/30
Inventor 田雷超杭观荣李林郭曼丽李文帅王平阳刘佳
Owner SHANGHAI INST OF SPACE PROPULSION