CN109879259A - A kind of ultra-pure xenon, krypton purification system and purification process - Google Patents

A kind of ultra-pure xenon, krypton purification system and purification process Download PDF

Info

Publication number
CN109879259A
CN109879259A CN201910296960.XA CN201910296960A CN109879259A CN 109879259 A CN109879259 A CN 109879259A CN 201910296960 A CN201910296960 A CN 201910296960A CN 109879259 A CN109879259 A CN 109879259A
Authority
CN
China
Prior art keywords
chamber
gas
ultra
catalyst
krypton
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910296960.XA
Other languages
Chinese (zh)
Inventor
荀其宁
张文申
许峰
邓卫华
赵晓刚
侯倩倩
刘霞
毛如增
任万杰
王鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Non Metallic Material Research Institute
Original Assignee
Shandong Non Metallic Material Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Non Metallic Material Research Institute filed Critical Shandong Non Metallic Material Research Institute
Priority to CN201910296960.XA priority Critical patent/CN109879259A/en
Publication of CN109879259A publication Critical patent/CN109879259A/en
Pending legal-status Critical Current

Links

Landscapes

  • Separation By Low-Temperature Treatments (AREA)

Abstract

The invention belongs to high-purity gas purification arts, more particularly, to a kind of ultra-pure xenon, krypton purification system and purification process.It include raw material gas cylinder using purification system, unstripped gas is stored in raw material gas cylinder, raw material gas cylinder connection heating room, heating is outdoor to be equipped with insulating layer, insulating layer is externally provided with heating layer, it heats room and connects catalyst chamber bottom, there is catalyst in catalyst chamber, catalyst chamber connects adsorption chamber, partition is equipped in adsorption chamber, adsorption chamber is divided into labyrinth-like channel, adsorbent is equipped in adsorption chamber, adsorption chamber connects induction chamber, metal getter room is equipped in induction chamber, partition is equipped in induction chamber, induction chamber is divided into labyrinth-like channel, induction chamber linking parsing instrument, by being connected with valvular airflow pipeline between each component, present invention combination catalysis oxidation, chemical reaction, three kinds of principles of physical absorption, depth purified feed stock gas, remove xenon, C5 or more hydrocarbon component and fluoride in krypton-85 gas, reach ultra-pure rank, meet electric propulsion With the technical requirements of xenon, krypton.

Description

A kind of ultra-pure xenon, krypton purification system and purification process
Technical field
The invention belongs to high-purity gas purification arts, more particularly, to a kind of ultra-pure xenon, krypton purification system and purifying side Method.
Background technique
Electric propulsion is widely used in space propultion as one of space electric propulsion technology, as Spacecraft Attitude Control, Position holding, orbit maneuver and space flight etc..The propellant that electric propulsion system uses is generally the indifferent gas such as xenon, Krypton Body, the purity of gas are thrust, specific impulse, efficiency and the key problem in technology in service life for guaranteeing electric propulsion.Water impurity, oxygen in xenon, krypton The exceeded cathode oxidation for be easy to causeing electric propulsion system of content causes its service life impaired;The objectionable impurities such as carbide, fluoride are easy Deposition is covered in emitter surface, will directly affect thrust, specific impulse and the efficiency of electric propulsion.Impurity in xenon and Krypton is main There are nitrogen, oxygen, hydrogen, carbon monoxide, carbon dioxide, methane, perfluoroethane, carbon tetrafluoride etc..At present in purification xenon and Krypton In method, mainly have using Activated carbon separation, step by step enriching and purifying, and the side of concentration, heat exchange vaporization, reaction after-purification absorption Formula.Aspect is removed for the purifying of the low content impurity gas in ultra-pure xenon, Krypton, then mature technique is not reported.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of ultra-pure xenon, krypton purification system and purification process.
The complete technical solution of the present invention includes:
A kind of ultra-pure xenon, krypton purification system, which includes raw material gas cylinder, heats room, catalyst chamber, and adsorption chamber is inhaled Gas chamber, analyzer, above-mentioned each component pass sequentially through the connection of the airflow pipeline with valve;
Wherein, heating is outdoor is equipped with insulating layer, and insulating layer is externally provided with heating layer;There is catalyst in catalyst chamber, in adsorption chamber Equipped with adsorbent, metal getter is equipped in induction chamber.
Preferably, it heats in outdoor heating layer and is provided with resistance heating wire;
Preferably, heating room connects catalyst chamber bottom;
Preferably, it is equipped with partition in adsorption chamber, adsorption chamber is divided into labyrinth-like channel;
Preferably, it is equipped with partition in induction chamber, entire induction chamber is divided into labyrinth-like channel.
According to above system, inventor has invented a kind of ultra-pure xenon, krypton purification process, specifically comprises the following steps:
Open valve, unstripped gas enter heating room from raw material gas cylinder, open the resistance heating wire in heating layer and start to add Heating room temperature is heated to 380~420 DEG C, enters catalyst chamber from bottom through pipeline after, control the unstrpped gas of entrance by heat Pressure is 0.1-0.4MPa, blows the indoor catalyst of catalysis, makes it in boiling-like, plays the catalysis reaction effect of similar fluidized bed Fruit makes hydrogen, carbon monoxide, methane and non-methane hydrocarbon in gas in the presence of having micro amount of oxygen, high By quickly becoming carbon dioxide and water under the intense contact with catalyst under temperature;Later on valve, makes through catalysis oxidation Gas enters adsorption chamber, and gas is flowed in adsorption chamber along labyrinth passage, by adsorbent of molecular sieve, by the dioxy in gas Change carbon, water carries out selective absorption;Gas through catalysis oxidation enters induction chamber, and metal getter, gas are placed in induction chamber Body is flowed in induction chamber along the labyrinth passage that partition is divided into, by metal getter, by carbon tetrafluoride, the hexafluoro in gas Change fluorides and remaining micro amount of oxygen, hydrogen, carbon monoxide, methane or the non-methane hydrocarbon Adsorptions such as carbon, Gas after air-breathing finally enters analyzer and carries out purity analysis, obtains ultra-pure gases.
Wherein, the catalyst in catalyst chamber is Pd75Pt25Alloy, partial size 10-30nm.Raw material gas flow is 2-4m3/ min。
Adsorbent of molecular sieve is a kind of silicate compound with cubic lattice, and it is more to common are A type, X-type, Y type etc. Kind model, the present invention mainly use 4A type or 5A type adsorbent of molecular sieve, partial size 0.3-0.5cm, aperture 10-30nm;
The indoor metal getter of air-breathing is NiZrTi alloy, partial size 0.1-0.2cm.
The present invention compared with the existing technology the advantages of be: present invention combination catalysis oxidation, chemical reaction, physical absorption three Kind principle, depth purified feed stock gas remove xenon, the hydrogen in krypton-85 gas, carbon monoxide, carbon dioxide, nitrogen, oxygen, water, hydro carbons Component and fluoride reach ultra-pure rank, meet the technical requirements of electric propulsion xenon, krypton.It can be used in catalysis similar Fluidized bed type working method, greatly improves purification efficiency.Adsorption chamber and induction chamber use maze-type structure, make gas wherein Path extension is flowed through, absorption and inspiratory effects are improved.
Detailed description of the invention
Fig. 1 is ultra-pure xenon disclosed by the invention, krypton purification system structural schematic diagram.
In figure: 1- raw material gas cylinder, 2- heat room, 3- insulating layer, 4- heating layer, 5- catalyst chamber, 6- catalyst, 7- absorption Room, 8- partition, 9- adsorbent, 10- induction chamber, 11- metal getter, 12- partition, 13- analyzer, 14- airflow pipeline, 15- Valve.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
As shown in Figure 1, a kind of ultra-pure xenon disclosed by the invention, krypton purification system, including sample gas cylinder 1, unstripped gas Unstripped gas is stored in steel cylinder, raw material gas cylinder connection heating room 2, heating is outdoor to be equipped with insulating layer 3, and insulating layer is externally provided with heating Layer 4, heating room connect 5 bottom of catalyst chamber, there is catalyst in catalyst chamber, and catalyst chamber 5 connects adsorption chamber 7, be equipped in adsorption chamber 7 every Adsorption chamber 7 is divided into labyrinth-like channel by plate 8, is equipped with adsorbent 9 in adsorption chamber 7, and adsorption chamber connects induction chamber 10, in induction chamber Equipped with metal getter 11, it is equipped with partition 12 in induction chamber, induction chamber 10 is divided into labyrinth-like channel, 10 linking parsing of induction chamber Instrument 13 passes through the airflow pipeline 14 with valve 15 between each component and connects.
Ultra-pure xenon disclosed by the invention, krypton purification process, specifically comprise the following steps:
Opening valve 15, unstripped gas enter heating room from raw material gas cylinder, open the resistance heating wire in heating layer and start to add Heat, heating layer and heating room between be equipped with thermal insulation material, will heating room temperature be heated to (380~420) DEG C, after through pipeline from Bottom enters catalyst chamber, and the feedstock gas pressures for controlling entrance are 0.25MPa, blows the indoor catalyst of catalysis, makes it in boiling Shape is risen, the catalysis reaction effect of similar fluidized bed is played, keeps hydrogen in gas, carbon monoxide, methane and non-methane class hydrocarbon Compound in the presence of having micro amount of oxygen, under high temperature by under the intense contact with catalyst quickly become carbon dioxide and Water can suitably increase the indoor oxygen content of catalysis, enable the hydrocarbon substance fully reacting in gas, specific increased oxygen Content can be by detecting the carbohydrate content in unstripped gas before being catalyzed.Catalyst used is Pd75Pt25Alloy, partial size For 10-30nm.Raw material gas flow is 2-4m3/ min is blasted by experimental verification using the gas under 380~420 DEG C of high temperature Mode, the micro amount of oxygen in unstripped gas can be made to be combined under the action of catalyst with carbon hydrogen element in 30-60s, it is raw Cheng Shui and carbon dioxide, and if temperature is at 160-200 DEG C or so, catalytic effect significantly reduces, 5-10min is generally required, Since whole process of purification is streamlined operation, present invention employs the catalysis reactions under high temperature, make purification efficiency significantly It improves.
Later on valve makes the gas through catalysis oxidation enter adsorption chamber, is equipped with partition in adsorption chamber, will entirely adsorb Room is divided into maze-type structure, and adsorbent of molecular sieve, partial size 0.3-0.5cm, aperture 10-30nm, gas are placed between partition Body can be flowed in adsorption chamber along labyrinth passage that partition is divided into, by adsorbent of molecular sieve, by gas carbon dioxide, Water carries out selective absorption.
So that the gas through catalysis oxidation is entered induction chamber, is equipped with partition in induction chamber, entire induction chamber is divided into labyrinth type Structure, is placed with metal getter between partition, and metal getter is NiZrTi alloy, partial size 0.1-0.2cm, and gas is being inhaled Gas chamber is flowed along the labyrinth passage that partition is divided into, by metal getter, by carbon tetrafluoride, the carbon hexa fluoride etc. in gas The Adsorption of fluoride.
Gas after air-breathing finally enters analyzer and carries out purity analysis, and detection is qualified, obtains ultra-pure gases.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention Technical spirit any simple modification to the above embodiments, change and equivalent structural changes, still fall within skill of the present invention In the protection scope of art scheme.

Claims (9)

1. a kind of ultra-pure xenon, krypton purification system, which is characterized in that the system includes raw material gas cylinder (1), heats room (2), urges Change room (5), adsorption chamber (7), induction chamber (10), analyzer (13), above-mentioned each component passes sequentially through the gas flow tube with valve (15) Road (14) connection;
Wherein, heating room (2) is externally provided with insulating layer (3), and insulating layer (3) is externally provided with heating layer (4);There is catalysis in catalyst chamber (5) Agent (6), adsorption chamber (7) is interior to be equipped with adsorbent (9), is equipped with metal getter (11) in induction chamber (10).
2. a kind of ultra-pure xenon according to claim 1, krypton purification system, which is characterized in that the heating of heating room (2) outside Resistance heating wire is provided in layer (4).
3. a kind of ultra-pure xenon, krypton purification system, which is characterized in that heating room (2) connects catalyst chamber (5) bottom.
4. a kind of ultra-pure xenon, krypton purification system, which is characterized in that be equipped with partition (8) in adsorption chamber (7), by adsorption chamber (7) every At labyrinth-like channel.
5. a kind of ultra-pure xenon, krypton purification system, which is characterized in that partition (12) are equipped in induction chamber (10), by entire air-breathing Room (10) is divided into labyrinth-like channel.
6. a kind of ultra-pure xenon using system described in claim 1, krypton purification process, which is characterized in that specifically include as follows Step:
Open valve, unstripped gas enter heating room from raw material gas cylinder, and the resistance heating wire opened in heating layer begins to warm up, will Heating room temperature is heated to 380~420 DEG C, enters catalyst chamber from bottom through pipeline after, controls the feedstock gas pressures of entrance For 0.1-0.4MPa, blow the indoor catalyst of catalysis, make it in boiling-like, make hydrogen in gas, carbon monoxide, methane and Non-methane hydrocarbon is in the presence of having micro amount of oxygen, by fast rapid-result under the intense contact with catalyst under high temperature For carbon dioxide and water;Later on valve makes the gas through catalysis oxidation enter adsorption chamber, and gas is in adsorption chamber along labyrinth Carbon dioxide, water in gas is carried out selective absorption by adsorbent of molecular sieve by the flowing of formula channel;Through catalysis oxidation Gas enters induction chamber, and metal getter, the labyrinth passage that gas is divided into induction chamber along partition are placed in induction chamber Flowing, by metal getter, by the fluorides such as carbon tetrafluoride, carbon hexa fluoride in gas and remaining micro amount of oxygen, hydrogen, Carbon monoxide, methane or non-methane hydrocarbon Adsorption, the gas after air-breathing finally enter analyzer progress Purity analysis obtains ultra-pure gases.
7. ultra-pure xenon according to claim 6, krypton purification process, which is characterized in that the catalyst in catalyst chamber is Pd75Pt25Alloy, partial size 10-30nm.
8. ultra-pure xenon according to claim 6, krypton purification process, which is characterized in that adsorbent of molecular sieve uses 4A type Or 5A type adsorbent of molecular sieve, partial size 0.3-0.5cm, aperture 10-30nm.
9. ultra-pure xenon according to claim 6, krypton purification process, which is characterized in that the indoor metal getter of air-breathing For NiZrTi alloy, partial size 0.1-0.2cm.
CN201910296960.XA 2019-04-12 2019-04-12 A kind of ultra-pure xenon, krypton purification system and purification process Pending CN109879259A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910296960.XA CN109879259A (en) 2019-04-12 2019-04-12 A kind of ultra-pure xenon, krypton purification system and purification process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910296960.XA CN109879259A (en) 2019-04-12 2019-04-12 A kind of ultra-pure xenon, krypton purification system and purification process

Publications (1)

Publication Number Publication Date
CN109879259A true CN109879259A (en) 2019-06-14

Family

ID=66937199

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910296960.XA Pending CN109879259A (en) 2019-04-12 2019-04-12 A kind of ultra-pure xenon, krypton purification system and purification process

Country Status (1)

Country Link
CN (1) CN109879259A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110467164A (en) * 2019-08-20 2019-11-19 中国科学院合肥物质科学研究院 A kind of inert gas high temperature purification system
CN112250050A (en) * 2020-10-27 2021-01-22 深圳市博纯半导体材料有限公司 Xenon production and preparation device and method
CN113702585A (en) * 2021-08-26 2021-11-26 山东非金属材料研究所 Automatic capturing and digesting device for trace metal elements in high-purity gas
CN114377542A (en) * 2021-12-22 2022-04-22 常州大学 CO removing device and method mounted at outlet of high-purity oxygen steel cylinder
CN116812885A (en) * 2023-08-03 2023-09-29 衢州杭氧特种气体有限公司 Xenon purification system and purification method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04149010A (en) * 1990-10-15 1992-05-22 Japan Pionics Co Ltd Method for refining noble gas
JP2007045655A (en) * 2005-08-09 2007-02-22 Japan Pionics Co Ltd Method and apparatus for refining gas
JP2010037166A (en) * 2008-08-07 2010-02-18 Taiyo Nippon Sanso Corp Method for purifying krypton and xenon
CN102284268A (en) * 2011-06-14 2011-12-21 张红军 Getter composition for vacuum insulation board
CN102583280A (en) * 2012-01-29 2012-07-18 济南鲍德气体有限公司 Device and method for purifying high-purity xenon and krypton
EP2703756A1 (en) * 2012-08-30 2014-03-05 Linde Aktiengesellschaft Obtaining high-purity krypton and/or xenon

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04149010A (en) * 1990-10-15 1992-05-22 Japan Pionics Co Ltd Method for refining noble gas
JP2007045655A (en) * 2005-08-09 2007-02-22 Japan Pionics Co Ltd Method and apparatus for refining gas
JP2010037166A (en) * 2008-08-07 2010-02-18 Taiyo Nippon Sanso Corp Method for purifying krypton and xenon
CN102284268A (en) * 2011-06-14 2011-12-21 张红军 Getter composition for vacuum insulation board
CN102583280A (en) * 2012-01-29 2012-07-18 济南鲍德气体有限公司 Device and method for purifying high-purity xenon and krypton
EP2703756A1 (en) * 2012-08-30 2014-03-05 Linde Aktiengesellschaft Obtaining high-purity krypton and/or xenon

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110467164A (en) * 2019-08-20 2019-11-19 中国科学院合肥物质科学研究院 A kind of inert gas high temperature purification system
CN110467164B (en) * 2019-08-20 2022-11-25 中国科学院合肥物质科学研究院 Inert gas high temperature purification system
CN112250050A (en) * 2020-10-27 2021-01-22 深圳市博纯半导体材料有限公司 Xenon production and preparation device and method
CN113702585A (en) * 2021-08-26 2021-11-26 山东非金属材料研究所 Automatic capturing and digesting device for trace metal elements in high-purity gas
CN114377542A (en) * 2021-12-22 2022-04-22 常州大学 CO removing device and method mounted at outlet of high-purity oxygen steel cylinder
CN116812885A (en) * 2023-08-03 2023-09-29 衢州杭氧特种气体有限公司 Xenon purification system and purification method thereof

Similar Documents

Publication Publication Date Title
CN109879259A (en) A kind of ultra-pure xenon, krypton purification system and purification process
KR101312914B1 (en) Carbon dioxide recovery
CN107073427B (en) Shell-and-tube reactor for reforming natural gas and method for producing synthesis gas or hydrogen using the same
CN105858606B (en) A kind of full temperature journey pressure varying adsorption of purified method of ultra-pure hydrogen
US20030232224A1 (en) Ammonia cracker for production of hydrogen
CN110869315A (en) Separation system
JP2000128507A (en) Partial oxidation of hydrocarbon
JP4557849B2 (en) Method for producing hydrogen from ethanol
JP2010042381A (en) Xenon sorbent, method for enriching xenon, xenon concentrator, and air liquefaction separation apparatus
KR101332265B1 (en) Hydrogen purification apparatus for alkali water electrolysis
JP2010012367A (en) Oxygen-producing method and oxygen-producing apparatus according to pressure swing adsorption method that employs oxygen-selective adsorbent
JP2014034493A (en) Purifying method and purifying apparatus of an argon gas
CN114408866A (en) Methane steam reforming reaction device based on high-purity gas product full recovery and use method thereof
CN210150729U (en) Ultrahigh-purity xenon and krypton purification system
JP2001302551A (en) Method for recovering perfluorocarbon and method decomposition the same
CN113931256B (en) Energy-saving environment humidity control and air water production method and system
JP7452231B2 (en) Carbon dioxide adsorbents, carbon dioxide capture devices, and hydrocarbon generation systems
CN107879312B (en) Corrugated membrane reactor device for hydrogen isotope exchange
JP2012106904A (en) Method and apparatus for purifying argon gas
CN218422035U (en) Carbon dioxide purifier during dry ice manufacturing
JP2000211904A (en) Purification of gas
CN218890382U (en) High-purity krypton gas extraction device
CN221359896U (en) Novel HI membrane decomposition reactor
KR20120046008A (en) Purifying method and purifying apparatus for argon gas
CN208553607U (en) A kind of carbon dioxide gas purifier

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190614