CN206203887U - A kind of crude Ne-He multistage dehydrogenation device - Google Patents
A kind of crude Ne-He multistage dehydrogenation device Download PDFInfo
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- CN206203887U CN206203887U CN201621259401.XU CN201621259401U CN206203887U CN 206203887 U CN206203887 U CN 206203887U CN 201621259401 U CN201621259401 U CN 201621259401U CN 206203887 U CN206203887 U CN 206203887U
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Abstract
A kind of crude Ne-He multistage dehydrogenation device, including, one stage catalyzing reactor, its inlet ductwork connects oxygen channel and raw material feed channel respectively, and one-level electric heater is set in the inlet ductwork；One-level water cooler, its import is connected to the export pipeline of one stage catalyzing reactor；Handpiece Water Chilling Units, its inlet ductwork is connected to the export pipeline of one-level water cooler；One-level separator, two grades of electric heaters, are sequentially arranged in handpiece Water Chilling Units export pipeline；Two grades of catalytic reactors, its inlet ductwork connects two grades of export pipelines of electric heater；Two-stage water-cooling but device, its import is connected to two grades of catalytic reactor export pipelines；Two grades of separators, its import is connected to two-stage water-cooling but device export pipeline；Molecular sieve adsorber, its import is connected to two grades of separators by pipeline；But device export pipeline also sets pipeline all the way and is connected to handpiece Water Chilling Units two-stage water-cooling, and the export pipeline of two-stage water-cooling but device is connected to by being returned after handpiece Water Chilling Units.
Description
Technical field
The utility model is related to industrial gasses gas purification field, more particularly to a kind of crude Ne-He multistage dehydrogenation device.
Background technology
Helium is important part in rare gas product chain, can be widely applied to military project, scientific research, petrochemical industry, refrigeration,
The necks such as medical treatment, semiconductor, pipeline leak detection, superconducting experiment, metal manufacture, deep sea diving, precision welding, O-E Products production
Domain.
Neon is then a kind of colourless, tasteless, non-flammable rare gas.Usual neon can filling as color neon light
Gas shows for outdoor advertising；Additionally, it can be additionally used in visual luminous indicating lamp, voltage-regulation, and laser gas mixture into
Part.
As global neon, the continuous rising of helium demand, the influence of geopolitics and the U.S. orientate helium as
After strategic reserves resource, the supply-less-than-demand of global neon helium and price continue elevated situation and will be sustained.Due to the whole world
He-Ne gas resource distribution it is uneven, helium content is extremely low in the natural gas of China, causes China that helium is extracted from natural gas
It is relatively costly, and amount of helium is about 10 times of amount of natural gas in air, and when Helium bearing natural gas source is exhausted, air will be helium
The exclusive source of gas, extracting neon helium from existing space division in addition has flow and equipment complexity, investment height, high energy consumption, device institute
Need low-temperature receiver to be difficult the features such as obtaining and consume huge, therefore develop a kind of new technology that high-purity neon helium is extracted from air separation unit
Flow and high efficient cryogenic refrigeration plant are most important.Carry out correlative study for the strategic development of country and reduce external neon helium
Interdependency play the role of it is very important, with larger researching value and necessity.
At present in the world to purity requirement more and more higher hydrogeneous in neon, and the dehydrogenation device of domestic main flow takes one-level
Dehydrogenation, except hydrogen purity≤1ppm, it is difficult to produce the hydrogeneous neon less than 1ppm, it is impossible to meet in the world for high-quality neon
Requirement.The present invention can help downstream unit to produce hydrogeneous the hydrogen content treatment in raw material to≤0.1ppm
The neon of amount≤0.1ppm, is greatly enhanced the quality of neon, meets the demand of high-end user.
The content of the invention
The purpose of the utility model device is to design a kind of crude Ne-He multistage dehydrogenation device, using Oxygenation dehydrogenation
Method, hydrogen is removed within 0.1ppm, while reacted water is removed by drying.
To reach above-mentioned purpose, the technical solution of the utility model is：
A kind of crude Ne-He multistage dehydrogenation device, it includes, one stage catalyzing reactor, its inlet ductwork connects oxygen respectively
Pipeline and raw material feed channel, and, one-level electric heater is also set up in the inlet ductwork；One-level water cooler, its import is connected to
The export pipeline of the one stage catalyzing reactor；Handpiece Water Chilling Units, its inlet ductwork is connected to the outlet of the one-level water cooler
Pipeline；One-level separator, two grades of electric heaters, are set in turn in the export pipeline of the handpiece Water Chilling Units；Two grades of catalysis are anti-
Device is answered, its inlet ductwork connects the export pipeline of two grades of electric heaters；Two-stage water-cooling but device, its import is connected to described two
The export pipeline of level catalytic reactor；Two grades of separators, its import is connected to the export pipeline of the two-stage water-cooling but device；Point
Son sieve absorber, its import is connected to two grades of separators by pipeline；Wherein, two-stage water-cooling but device export pipeline also
If pipeline is connected to handpiece Water Chilling Units all the way, the export pipeline of two-stage water-cooling but device is connected to by being returned after handpiece Water Chilling Units.
Preferably, the molecular sieve adsorber sets two, a job, another regeneration.
The utility model device uses one-level electric heater as unstripped gas and oxygen mixer and heater, in heating
Mixing is completed simultaneously, mixing uniformity is greatly enhanced, and improves hydrogen degassing efficiency；Special blender is no longer needed simultaneously, letter
Change equipment, reduced investment, improve the operability of device.
The utility model device by the way of second order reaction dehydrogenation, while to prevent the water after first order reaction from gathering, shadow
Reaction balance is rung, causes the not thorough of follow-up dehydrogenation.Gas after first order reaction by after water cooler cooling, into cooling-water machine
Group, is cooled further to low temperature, goes out the most elutriations in gas.Gas after water removal is urged after heating again into two grades
Change the thorough dehydrogenation of reactor, make product gas hydrogen purity≤0.1ppm.The gas after second order reaction can reenter cold water simultaneously
Unit is cooled down, and is moisturized from device water removal effect, reduces follow-up molecular sieve adsorber live load.
The utility model has the advantage of：
1. relative to original crude Ne-He dehydrogenation device, the utility model can by hydrogen purity control 0.1ppm with
Interior, dehydrogenation effect is more preferable.
2. the neon product purity being further refining to obtain using the crude Ne-He after the utility model dehydrogenation is higher than height
Pure neon national standard, meets the high-end market demand, and added value of product is high.
3. the electric heater with mixed function is used, and mixed material gas and supplemental oxygen, both saved while heating
Investment and space, while meeting technological requirement.
4. the gas after first order reaction is further cooled down using handpiece Water Chilling Units, goes out reacted elutriation, it is ensured that follow-up two
The thorough dehydrogenation of order reaction.
5. realize automation dehydrogenation reaction and dry, it is ensured that continuous prodution.
6. substantial amounts of artificial operation is reduced, human cost is saved.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment.
Specific embodiment
Referring to Fig. 1, crude Ne-He multistage dehydrogenation device of the present utility model, it includes,
One stage catalyzing reactor 1, its inlet ductwork connects oxygen channel L1 and raw material feed channel L2 respectively, and, the import
One-level electric heater 2 is also set up in pipeline；Platinum palladium catalyst is set in one stage catalyzing reactor 1；
One-level water cooler 3, its import is connected to the export pipeline of the one stage catalyzing reactor 1；
Handpiece Water Chilling Units 4, its inlet ductwork is connected to the export pipeline of the one-level water cooler 3；
5, two grades of electric heaters 6 of one-level separator, are set in turn in the export pipeline of the handpiece Water Chilling Units 4；
Two grades of catalytic reactors 7, inside set platinum palladium catalyst, and its inlet ductwork connects the outlet of two grades of electric heaters 6
Pipeline；
Two-stage water-cooling but device 8, its import is connected to the export pipeline of two grades of catalytic reactors 7；
Two grades of separators 9, its import is connected to the export pipeline of the two-stage water-cooling but device 7；
Two molecular sieve adsorbers 10,10 ', its import is connected to two grades of separators 9 by pipeline；
Wherein, but the export pipeline of device 7 also sets pipeline L3 all the way and is connected to handpiece Water Chilling Units 4 two-stage water-cooling, by cooling-water machine
The export pipeline for being connected to two-stage water-cooling but device 7 is returned after group 4.
Specific technological process is：
The crude Ne-He extracted from space division is mixed and heated together with supplemental oxygen into one-level electric heater, is heated to
Mixed gas after uniform temperature are reacted into one stage catalyzing reactor, and hydrogen generates water with oxygen reaction, reacted
Gas removes free water therein into one-level separator by after one-level water cooler and handpiece Water Chilling Units, and gas phase is again
After being heated through two grades of electric heaters, removed into the hydrogen that two grades of catalytic reactors will likely be remained, and sequentially enter two grades of water
Cooler, handpiece Water Chilling Units, two grades of separators, free water is removed；Gas after dehydrogenation is by two molecules of online switching
After sieve absorber, by vaporous water except the value to regulation；Meanwhile, nitrogen is as regeneration gas through controlling valve, electric heater 11 to molecule
Sieve absorber pulse cleaning.
Claims (2)
1. a kind of crude Ne-He multistage dehydrogenation device, it is characterised in that including,
One stage catalyzing reactor, its inlet ductwork connects oxygen channel and raw material feed channel respectively, and, also set in the inlet ductwork
Put one-level electric heater；
One-level water cooler, its import is connected to the export pipeline of the one stage catalyzing reactor；
Handpiece Water Chilling Units, its inlet ductwork is connected to the export pipeline of the one-level water cooler；
One-level separator, two grades of electric heaters, are set in turn in the export pipeline of the handpiece Water Chilling Units；
Two grades of catalytic reactors, its inlet ductwork connects the export pipeline of two grades of electric heaters；
Two-stage water-cooling but device, its import is connected to the export pipeline of two grades of catalytic reactors；
Two grades of separators, its import is connected to the export pipeline of the two-stage water-cooling but device；
Molecular sieve adsorber, its import is connected to two grades of separators by pipeline；
Wherein, but the export pipeline of device also sets pipeline all the way and is connected to handpiece Water Chilling Units two-stage water-cooling,
The export pipeline of two-stage water-cooling but device is connected to by being returned after handpiece Water Chilling Units.
2. crude Ne-He as claimed in claim 1 multistage dehydrogenation device, it is characterised in that the molecular sieve adsorber sets two
Platform, a job, another regeneration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621259401.XU CN206203887U (en) | 2016-11-23 | 2016-11-23 | A kind of crude Ne-He multistage dehydrogenation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621259401.XU CN206203887U (en) | 2016-11-23 | 2016-11-23 | A kind of crude Ne-He multistage dehydrogenation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206203887U true CN206203887U (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621259401.XU Expired - Fee Related CN206203887U (en) | 2016-11-23 | 2016-11-23 | A kind of crude Ne-He multistage dehydrogenation device |
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| CN (1) | CN206203887U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113460982A (en) * | 2021-07-13 | 2021-10-01 | 西南化工研究设计院有限公司 | Method for purifying and preparing high-purity helium from liquefied natural gas tail gas |
-
2016
- 2016-11-23 CN CN201621259401.XU patent/CN206203887U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113460982A (en) * | 2021-07-13 | 2021-10-01 | 西南化工研究设计院有限公司 | Method for purifying and preparing high-purity helium from liquefied natural gas tail gas |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20201123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |