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Tank interlayer low-temperature adsorption device and working method

An adsorption device and working method technology, applied in chemical instruments and methods, separation methods, packaging, etc., can solve the problems of poor adsorption performance of adsorbents, adsorbent devices do not have activated adsorbents, etc., and achieve the effect of high efficiency

Active Publication Date: 2021-02-26
XI AN RAILWAY TRANSPORTATION EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the defects and deficiencies in the prior art, the present invention provides a tank interlayer low-temperature adsorption device and working method to overcome the fact that the existing adsorbent device itself does not have the function of activating the adsorbent and its supporting use method causes the adsorbent Defects such as poor adsorption performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] This embodiment provides a tank interlayer low-temperature adsorption device, including an adsorbent filling unit, an adsorbent activation component, and an adsorbent storage component; The assembly can be installed in cooperation with the adsorbent packing unit to form an adsorbent storage unit.

[0047] like figure 1 As shown, the adsorbent filling unit includes a manhole cylinder section 101, a process head 102 arranged at the bottom of the manhole cylinder section 101, a metal sealing plate 103 arranged at the upper end of the manhole cylinder section 101, and a metal sealing plate 103 arranged on the metal sealing plate 103 and The adsorbent filling pipe 104 passing through the metal sealing plate 103 and the lower connecting flange 105 arranged at the upper end of the adsorbent filling pipe 104; the manhole barrel section 101, the process head 102 and the metal sealing plate 103 form a closed cavity for placing the adsorption dose 100.

[0048] The adsorbent act...

Embodiment 2

[0055] This embodiment provides a tank body, including a tank inner layer 401, a tank body interlayer 403 and a tank outer layer 404, and also includes the tank body interlayer low-temperature adsorption device in Example 1;

[0056] An installation opening is provided on the tank inner layer 401, and a manhole flange 402 is provided on the installation opening. The manhole flange 402 is welded together with the upper edge of the manhole barrel section 101, and the adsorbent filling pipe 104 opens toward the tank interlayer 403.

Embodiment 3

[0058] This embodiment provides a working method of a tank interlayer low-temperature adsorption device. The working method uses the adsorption device in Embodiment 1 to perform adsorbent filling, adsorbent activation treatment, and adsorbent sealed storage. In Embodiment 2, the adsorbent The device performs vacuum adsorption work; including the following steps:

[0059] Step 1, filling the adsorbent, loading the unactivated adsorbent from the adsorbent filling tube into the closed cavity of the adsorbent filling unit;

[0060] Step 2, activating the adsorbent, installing the adsorbent activation component and the adsorbent filling unit together to form an adsorbent activation unit, using the adsorbent activation unit to activate the adsorbent, including the following steps:

[0061] Step 2.1, put the adsorbent filling unit into the thermal insulation heating box, install the upper connecting flange and the lower connecting flange correspondingly to make the second pipeline an...

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Abstract

The invention discloses a tank interlayer low-temperature adsorption device and a working method. The tank interlayer low-temperature adsorption device comprises an adsorbent filling unit, an adsorbent activation assembly and an adsorbent sealing and storing assembly; the adsorbent filling unit comprises a closed whole formed by welding a manhole shell ring, a process seal head, a metal seal plate, a lower connecting flange and an adsorbent filling pipe; the adsorbent activation assembly comprises a heat preservation heating box, an upper connecting flange, a first pipeline, a second pipeline,an inflation stop valve, a vacuum butterfly valve, a vacuum pump and a nitrogen cylinder; and the adsorbent sealing and storing assembly comprises a rupture disk capable of being arranged on an upperpipe opening of the adsorbent filling pipe, a flange plate capable of being arranged on the lower connecting flange, a perforated metal plate capable of covering the upper surface of the flange plate, and a fastener capable of connecting the perforated metal plate, the flange plate and the lower connecting flange. The tank interlayer low-temperature adsorption device is a low-temperature adsorption device integrating an adsorbent activation function and a low-temperature adsorption function, and can ensure that the adsorbent plays an efficient role; and by means of the invention, the vacuum service life of the container interlayer can reach 5 years.

Description

technical field [0001] The invention belongs to the field of vacuum interlayer treatment of heat-insulating containers, and relates to a tank interlayer low-temperature adsorption device and a working method. Background technique [0002] Ensuring long-lasting and good vacuum performance is the basic guarantee for the normal operation of high-vacuum multi-layer insulation cryogenic containers. During the use of high-vacuum multi-layer heat-insulated cryogenic containers, due to the outgassing of the interlayer material of the container and the leakage of air from the external environment to the interlayer, the vacuum degree of the container will inevitably decrease; The placed adsorbent (such as molecular sieve, activated carbon, etc.) adsorbs the gas existing in the interlayer, so as to maintain the vacuum performance of the container. Under normal circumstances, it is hoped that the adsorbent will work again after the moisture and impurity gases in the interlayer are remo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D90/02B65D90/10B01D53/04
CPCB65D90/02B65D90/10B01D53/04B01D2253/102
Inventor 王伟庄晓东贺军朱英波刘磊郭怀远
Owner XI AN RAILWAY TRANSPORTATION EQUIP
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