CN108607327A - 一种平板式可重复活化的空间用分子吸附器 - Google Patents
一种平板式可重复活化的空间用分子吸附器 Download PDFInfo
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- CN108607327A CN108607327A CN201810598276.2A CN201810598276A CN108607327A CN 108607327 A CN108607327 A CN 108607327A CN 201810598276 A CN201810598276 A CN 201810598276A CN 108607327 A CN108607327 A CN 108607327A
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 14
- 230000004913 activation Effects 0.000 title claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000002808 molecular sieve Substances 0.000 claims abstract description 12
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 3
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000002045 lasting effect Effects 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 230000003213 activating effect Effects 0.000 abstract description 2
- 239000000356 contaminant Substances 0.000 abstract description 2
- 239000002245 particle Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 238000011109 contamination Methods 0.000 description 7
- 239000000523 sample Substances 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0454—Controlling adsorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
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Abstract
本发明公开了一种平板式可重复活化的空间用分子吸附器。它包括金属丝网袋、支撑架、热管、加热电阻丝。吸附材料分子筛13X颗粒放置于金属丝网袋内，此金属丝网袋安装到铝合金的支撑架上。此支撑架是吸附材料分子筛13X活化床同时也是分子筛温度控制基板。在此支撑架上预埋加热电阻丝，在支撑架反面引出导热热管。该结构形式可有效承载吸附材料分子筛13X，且最大化与空间的接触面积，同时热管的设置可提供更低的环境温度，拓宽材料吸附能力。此设计方法可有效控制在轨分子污染物对敏感表面的影响。
Description
技术领域
本发明涉及一种平板式可重复活化的空间用分子吸附器，具体涉及材料、工艺和结构形式，它主要应用于地球同步轨道空间遥感器。从空间污染的路径上减少气态分子对光学镜面及敏感表面的影响，净化空间遥感器在轨工作环境，有助于延长空间遥感器使用寿命。
背景技术
空间探测技术的不断发展，空间探测器在轨工作寿命更长，功能更广、探测性能更高等因素使得空间探测器本身的敏感度也随之增强。空间污染就是影响空间探测器的一个重要因素。空间污染中又以分子污染影响值大且不易控制。其影响主要体现在：分子污染物沉积于热控表面，会影响其表面的发射率和吸收率，进而影响空间探测器温控系统的工作，严重时会造成空间探测器某些部件失效；对于光学表面，分子污染会使反射镜反射率或者透镜的透过率降低，信号强度减小，信噪比下降，降低光学系统的性能和效率；对于传感器，污染层的吸收，导致传感器接收光强下降，从而影响信号输出；对于太阳电池，分子污染会减少其透过率，同时分子污染沉积会增加太阳电池板温度，使得太阳能电池输出功率下降。
设计时选用低放气率的材料，并辅以除气处理工艺，是当前地面污染控制的手段，然而，空间探测器在轨工作时由于超低真空度、周期频繁的高低温循环的工作环境，使得非金属材料的小分子析出不可避免，对敏感面形成的分子污染必须加以控制，目前国外已有探索，国内对污染的控制手段目前甚少。同时卫星资源紧张，如何实现低能耗且有效地控制分子污染是当前需要解决的一个关键问题。
发明内容
为了解决现有技术中存在的问题，本发明提供了一种平板式可重复活化的空间用分子吸附器设计，该结构形式操作简单，有效改善空间探测器中光学表面及其他敏感表面在轨空间工作环境。
本发明解决技术问题所采用的技术方案如下：
一种平板式可重复活化的空间用分子吸附器，包括内部盛装分子吸附材料分子筛13X的金属丝网袋1、支撑架2、热管3、加热电阻丝4。装盛吸附材料分子筛13X金属丝网袋1安装到支撑架2一侧，支撑架2另一侧安装热管3。支撑架2内埋的加热电阻丝4加热到一定温度(200℃-320℃)激发吸附材料分子筛13X的活性；活化后停止加热；进入预定空间轨道后热管3开启，提供低温环境；吸附材料分子筛13X开始吸附空间中气态分子。
金属丝网袋1为80～200目金属丝网制备而成。
支撑架2为铝合金材料，具有良好的导热性能，便于营造高温或低温环境。
热管3一端与支撑架(2)连接，另一端连接低温源，提供持续的低温吸附环境。
加热电阻丝4温度通过温控系统控制。
本发明的有益效果是：净化空间遥感器光学表面及其敏感表面在轨工作环境，减少游离分子在敏感表面的沉积。降低空间遥感器性能下降或失效的风险，延长空间遥感器在轨使用寿命。
附图说明
图1为分子吸附器结构图，图中：1金属丝网袋，2支撑架，3热管，4.加热电阻丝。
图2为分子吸附器局部结构图。
具体实施方式
80目制备的金属丝网袋1安装到支撑架2上，吸附材料分子筛13X装盛进金属丝网袋1中，支撑架2内埋的加热电阻丝4加热到220℃激发吸附材料分子筛13X的活性；活化2h后停止加热；空间遥感器进入空间预定轨道后热管3开启；吸附材料分子筛13X开始吸附空间中气态分子。
Claims (1)
1.一种平板式可重复活化的空间用分子吸附器，包括内部盛装分子吸附材料分子筛13X的金属丝网袋(1)、支撑架(2)、热管(3)、加热电阻丝(4)其特征在于：
内盛装吸附材料分子筛13X的金属丝网袋(1)安装在支撑架(2)一侧，支撑架(2)另一侧安装热管(3)，热管(3)一端与支撑架(2)连接，另一端连接低温源，提供持续的低温吸附环境，支撑架(2)内部埋加热电阻丝(4)，热电阻丝(4)通过线缆与温控系统连接；
所述的内盛装吸附材料分子筛13X的金属丝网袋(1)由80～200目金属丝网制备而成；
所述的支撑架(2)为铝合金支撑架。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112407643A (zh) * | 2020-09-04 | 2021-02-26 | 中车西安车辆有限公司 | 一种罐体夹层低温吸附装置和工作方法 |
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| US20080041226A1 (en) * | 2005-09-23 | 2008-02-21 | Hiltzik Laurence H | Selective heating in adsorbent systems |
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Cited By (2)
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| CN112407643A (zh) * | 2020-09-04 | 2021-02-26 | 中车西安车辆有限公司 | 一种罐体夹层低温吸附装置和工作方法 |
| CN112407643B (zh) * | 2020-09-04 | 2022-04-12 | 中车西安车辆有限公司 | 一种罐体夹层低温吸附装置和工作方法 |
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