CN206156757U - Device for recycling and purifying helium - Google Patents
Device for recycling and purifying helium Download PDFInfo
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- CN206156757U CN206156757U CN201621013204.XU CN201621013204U CN206156757U CN 206156757 U CN206156757 U CN 206156757U CN 201621013204 U CN201621013204 U CN 201621013204U CN 206156757 U CN206156757 U CN 206156757U
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Abstract
The utility model discloses a device for recycling and purifying helium, including flowmeter, primary filter, vacuum pump, compressor, precision filter, first buffer tank, adsorption system, second buffer tank, the cryrogenic tower that connects gradually, the adsorption system includes the adsorption column that at least 2 groups establish ties, be equipped with the heat exchanger that at least three groups establish ties in the cryrogenic tower, make the helium purity more than or equal to 99.999% who purifys and obtain. The utility model discloses can be applicable to the industrial helium tail gas in each field of making of modern industry, and the verification, adopt the utility model discloses an after the device, the ultimate system purification rate of recovery is about 95%, helium purity more than or equal to 99.999% that final purification obtained, obvious effects are achieved.
Description
Technical field
The utility model is related to a kind of recovery purifying plant of chemical gases, and in particular to a kind of helium recovery purification dress.
Background technology
Helium（He）It is a kind of colourless inert gas, the light of buff is sent out during electric discharge.At normal temperatures, it is a kind of extremely light
Colourless, odorless, tasteless monoatomic gas.Helium is that liquefaction is most difficult in all gas, and being uniquely can not be in normal atmosphere
The material of pressure solidification.The chemical property of helium very torpescence, is difficult under general state and other materials reacts.Helium is one
Rare strategic resource is planted, China seems as one of Pin Hai states, long-term dependence on import, the reasonable distribution and application to helium resource
It is particularly important.
Field is manufactured in modern industry, helium is widely used in military project, scientific research, petrochemical industry, refrigeration, medical treatment, semiconductor, pipeline
Leak detection, superconducting experiment, metal manufacture, deep sea diving, precision welding, O-E Products production etc..However, industrial helium is general
Directly consume, in being discharged into air, the post processing such as the helium in tail gas is not reclaimed, purified.Its reason typically accounts for product with helium
Product cost of raw material proportion is not high, does not possess recovering condition or recovery difficult is big, based on the immature grade of purification technique.
Helium purity in industrial helium tail gas can typically reach 30% ~ 70%, if these helium resources are by wave in vain
Expense is fallen, and this China to lean helium originally undoubtedly makes the matter worse.In recent years, the control with international market to helium resource, it is domestic
Control of the industrial trade to product cost, the recovery purifying equipment of rich helium tail gas is ready to appear.For example, Chinese invention patent application
CN103771362A discloses a kind of fiber manufacturing online purification system of useless helium, including recovery unit, film subdivision, supply
Unit, the rich helium tail gas come by recovery unit Jing absorber carry out dust, grease, steam removal process after, by pipeline
Purified into membrane separator, the rich helium tail gas through purifying is temporary into surge tank by pipeline again, the inspection of purity detecting instrument
The helium purity of rich helium tail gas in surge tank is surveyed, rich helium tail gas purity reaches in surge tank when detecting Jing after membrane separator purification
During the purity rubric of setting, then rich helium tail gas enters air supply unit by outlet pipe on surge tank.
However, purified because above-mentioned purification system relies primarily on membrane separator, and the efficiency comparison of membrane separator is low,
A part of unstripped gas can be consumed, therefore final system purifies the rate of recovery typically 85 ~ 90% or so.Additionally, above-mentioned purification system
The purity of purification only has 99%, the needs for also having further raising.Therefore, a kind of device of helium recovery purification is developed, with simultaneously
Raising system purifies the rate of recovery and purification purity, it is clear that with positive realistic meaning.
Utility model content
The utility model purpose is to provide a kind of helium recovery purifying plant.
To achieve the above object of the invention, the technical solution adopted in the utility model is：A kind of helium recovery purifying plant, bag
Include be sequentially connected flowmeter, primary filter, vavuum pump, compressor, accurate filter, the first surge tank, adsorption system,
Two surge tanks, deep cooling tower；
The adsorption system includes the adsorption column of at least 2 groups of series connection, causes two in unstrpped gas after adsorption system
The content of carbonoxide is less than or equal to 0.2 ppm, and the content of moisture is less than or equal to 1 ppm, and removes halogen gas；
The heat exchanger of at least three groups of series connection is provided with the deep cooling tower, is more than or equal to the helium purity that purification is obtained
99.999%。
Above, unstripped gas can adopt the industrial helium tail gas that field is manufactured from each modern industry, such as petrochemical industry, system
Cold, medical, semiconductor, pipeline leak detection, superconducting experiment, metal manufacture, deep sea diving, precision welding, O-E Products production
Deng；Helium purity is generally 30% ~ 70% in unstripped gas.
Above, the halogen gas are primarily referred to as the halogen gas that chlorine is representative.
In above-mentioned technical proposal, the flow is calculated as mass flowmenter.To the flow for controlling and adjusting unstripped gas.
In above-mentioned technical proposal, the compressor is piston compressor.
In above-mentioned technical proposal, the accurate filter is parallel connection two-stage accurate filter.
In above-mentioned technical proposal, the vavuum pump for extracting light component foreign gas is additionally provided with the deep cooling tower.
In above-mentioned technical proposal, between first surge tank and adsorption system catalyzing carbon monoxide system is additionally provided with.Should
Catalyzing carbon monoxide system is used for for the carbon monoxide in unstripped gas being converted into carbon dioxide.
In above-mentioned technical proposal, the catalyzing carbon monoxide system includes heat exchanger, heater, catalytic bed and cooler.
In above-mentioned technical proposal, the adsorption system includes the adsorption column of 4 groups of series connection.In to remove unstripped gas two
Carbonoxide, halogen gas and moisture.
In above-mentioned technical proposal, the adsorption system also includes nitrogen heater, nitrogen stream gauge and muffler.
Workflow of the present utility model is as follows：
(1) regulate and control feed gas flow rates through mass flowmenter, then filter out solid in unstripped gas via primary filter
Particle；
(2) unstripped gas is extracted by vavuum pump, enters back into piston compressor and be compressed to 6 ~ 8 bar；Again via
Accurate filter, removes the solid particulate matter brought through absorber to 0.1 micron；
(3) catalyzing carbon monoxide system is entered Jing after the first buffer tank pressure buffering, the carbon monoxide in unstripped gas is turned
Turn to carbon dioxide；
(4) subsequently into adsorption system（It is in parallel that two groups of adsorption columns can be set in adsorption system, one group of work, one group is again
It is raw）, carbon dioxide, moisture, the halogen gas in absorption removing unstripped gas etc.；
(5) after the second surge tank compensator or trimmer pressure, enter compressor, after being pressurized to the bar of cold flow tower operating pressure 30, go out
Deep cooling tower is entered after compressor, by gas component boiling-point difference under a certain pressure, heat exchange gasification separation is carried out, is finally purified
Obtain helium of the purity more than or equal to 99.999%.
Because above-mentioned technical proposal is used, the utility model has compared with prior art following advantages：
1. the utility model develops a kind of helium recovery purifying plant, goes for each manufacture field of modern industry
Industrial helium tail gas, and it is demonstrated experimentally that after using device of the present utility model, final system purifies the rate of recovery 95%
Left and right, finally purifies the helium purity for obtaining and is more than or equal to 99.999%；Achieve significant effect；
2. the utility model first adopts carbon dioxide, halogen gas in adsorption system Adsorption unstripped gas etc., not only
The purity of helium in unstripped gas is improve, and simplifies subsequent purification technique；Then deep cooling tower is adopted, on the basis of absorption
Helium to being reclaimed carries out deeper purification, and its purity is purified empty up to 4.5N standards with good exploitation
Between；
3. deep cooling tower of the present utility model can adopt high pressure purifying technique, be exchanged heat by liquid nitrogen refrigerant, with can
The monitoring capacity for leaning on；
4. the purification efficiency of device of the present utility model is high, be easily understood, and can be designed as online operation equipment,
Whole process On-line Control is capable of achieving, with good operating characteristics, popularization and application is suitable to.
Description of the drawings
Fig. 1 is the device flow chart of the utility model embodiment one.
Fig. 2 is the device flow chart of catalyzing carbon monoxide system in the utility model embodiment one.
Fig. 3 is the device flow chart of adsorption system in the utility model embodiment one.
Wherein：1st, flowmeter；2nd, primary filter；3rd, vavuum pump；4th, compressor；5th, accurate filter；6th, the first buffering
Tank；7th, adsorption system；8th, the second surge tank；9th, the second compressor；10th, deep cooling tower；11st, catalyzing carbon monoxide system；12nd, exchange heat
Device；13rd, heater；14th, catalytic bed；15th, cooler；16th, nitrogen heater；17th, nitrogen stream gauge；18th, muffler；19th, inhale
Attached column；20th, the second accurate filter.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model：
Embodiment one：
Referring to shown in Fig. 1 ~ 3, a kind of helium recovery purifying plant, including the flowmeter 1, primary filter 2 being sequentially connected,
Vavuum pump 3, compressor 4, accurate filter 5, the first surge tank 6, adsorption system 7, the second accurate filter 20, the second surge tank
8th, the second compressor 9, deep cooling tower 10；
The second compressor 9 is provided between second surge tank and deep cooling tower；
The adsorption system includes the adsorption column 19 of 4 groups of series connection, and after adsorption system dioxy in unstrpped gas is caused
The content for changing carbon is less than or equal to 0.2 ppm, and the content of moisture is less than or equal to 1 ppm, and removes halogen gas；
The heat exchanger of at least three groups of series connection is provided with the deep cooling tower, is more than or equal to the helium purity that purification is obtained
99.999%。
The flow is calculated as mass flowmenter.The compressor is piston compressor.The accurate filter is in parallel double
Level accurate filter.
The vavuum pump for extracting light component foreign gas is additionally provided with the deep cooling tower.
Catalyzing carbon monoxide system 11 is additionally provided between first surge tank and adsorption system.The catalyzing carbon monoxide
System includes heat exchanger 12, heater 13, catalytic bed 14 and cooler 15.Cooler is carried out at cooling by water circulation system
Reason.It is shown in Figure 2.
The adsorption system also includes nitrogen heater 16, nitrogen stream gauge 17 and muffler 18.
Workflow of the present utility model is as follows：
(1) regulate and control feed gas flow rates through mass flowmenter, then filter out solid in unstripped gas via primary filter
Particle；
(2) unstripped gas is extracted by vavuum pump, enters back into piston compressor and be compressed to 6 ~ 8 bar；Again via
Accurate filter, removes the solid particulate matter brought through absorber；
(3) catalyzing carbon monoxide system is entered Jing after the first buffer tank pressure buffering, the carbon monoxide in unstripped gas is turned
Turn to carbon dioxide；
(4) subsequently into adsorption system（It is in parallel that two groups of adsorption columns can be set in adsorption system, one group of work, one group is again
It is raw）, carbon dioxide, moisture, the halogen gas in absorption removing unstripped gas etc.；
(5) again via accurate filter, the solid particulate matter brought through absorber is removed to 0.1 micron；Subsequently into
Second surge tank, after the second surge tank compensator or trimmer pressure, enters compressor, after being pressurized to the bar of cold flow tower operating pressure 30, goes out
Deep cooling tower is entered after compressor, by gas component boiling-point difference under a certain pressure, heat exchange gasification separation is carried out, is finally purified
Obtain helium of the purity more than or equal to 99.999%.
Claims (10)
1. a kind of helium recovery purifying plant, it is characterised in that：Including the flowmeter (1), primary filter (2) being sequentially connected,
Vavuum pump (3), compressor (4), accurate filter (5), the first surge tank (6), adsorption system (7), the second surge tank (8), depth
Cold tower (10)；
The adsorption system includes the adsorption column of at least 2 groups of series connection, and after adsorption system titanium dioxide in unstrpped gas is caused
The content of carbon is less than or equal to 0.2 ppm, and the content of moisture is less than or equal to 1 ppm, and removes halogen gas；
The heat exchanger of at least three groups of series connection is provided with the deep cooling tower, makes the helium purity that purification is obtained be more than or equal to 99.999%.
2. helium recovery purifying plant according to claim 1, it is characterised in that：The flow is calculated as mass flowmenter.
3. helium recovery purifying plant according to claim 1, it is characterised in that：The compressor is piston compressor.
4. helium recovery purifying plant according to claim 1, it is characterised in that：The accurate filter is parallel connection two-stage
Accurate filter.
5. helium recovery purifying plant according to claim 1, it is characterised in that：Extraction is additionally provided with the deep cooling tower light
The vavuum pump of composition impurity gas.
6. helium recovery purifying plant according to claim 1, it is characterised in that：First surge tank and adsorption system
Between be additionally provided with catalyzing carbon monoxide system (11).
7. helium recovery purifying plant according to claim 6, it is characterised in that：The catalyzing carbon monoxide system includes
Heat exchanger (12), heater (13), catalytic bed (14) and cooler (15).
8. helium recovery purifying plant according to claim 1, it is characterised in that：The adsorption system includes 4 groups
The adsorption column (19) of series connection.
9. helium recovery purifying plant according to claim 1, it is characterised in that：The adsorption system also adds including nitrogen
Hot device (16), nitrogen stream gauge (17) and muffler (18).
10. helium recovery purifying plant according to claim 1, it is characterised in that：Second surge tank and deep cooling tower
Between be additionally provided with the second compressor (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621013204.XU CN206156757U (en) | 2016-08-31 | 2016-08-31 | Device for recycling and purifying helium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621013204.XU CN206156757U (en) | 2016-08-31 | 2016-08-31 | Device for recycling and purifying helium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206156757U true CN206156757U (en) | 2017-05-10 |
Family
ID=58648810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621013204.XU Active CN206156757U (en) | 2016-08-31 | 2016-08-31 | Device for recycling and purifying helium |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026626A (en) * | 2018-06-19 | 2018-12-18 | 安徽万瑞冷电科技有限公司 | A kind of gas recycling compression set and the helium recovery system comprising the device |
| CN110624321A (en) * | 2019-10-28 | 2019-12-31 | 苏州朗道节能技术有限公司 | A preceding processing apparatus for waste gas recovery purifies |
| CN113086956A (en) * | 2021-04-15 | 2021-07-09 | 衢州杭氧特种气体有限公司 | Neon purification process and purification equipment thereof |
| CN113551850A (en) * | 2021-07-15 | 2021-10-26 | 杭州中泰深冷技术股份有限公司 | Multi-channel internal and external leakage detection, recovery and purification device and method for plate-fin heat exchanger |
| CN113983355A (en) * | 2021-10-27 | 2022-01-28 | 中天上材增材制造有限公司 | Gas supply system of equipment |
-
2016
- 2016-08-31 CN CN201621013204.XU patent/CN206156757U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026626A (en) * | 2018-06-19 | 2018-12-18 | 安徽万瑞冷电科技有限公司 | A kind of gas recycling compression set and the helium recovery system comprising the device |
| CN110624321A (en) * | 2019-10-28 | 2019-12-31 | 苏州朗道节能技术有限公司 | A preceding processing apparatus for waste gas recovery purifies |
| CN113086956A (en) * | 2021-04-15 | 2021-07-09 | 衢州杭氧特种气体有限公司 | Neon purification process and purification equipment thereof |
| CN113551850A (en) * | 2021-07-15 | 2021-10-26 | 杭州中泰深冷技术股份有限公司 | Multi-channel internal and external leakage detection, recovery and purification device and method for plate-fin heat exchanger |
| CN113983355A (en) * | 2021-10-27 | 2022-01-28 | 中天上材增材制造有限公司 | Gas supply system of equipment |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215152 Anmin Road, Panyang Industrial Park, Huangdai Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Jinhong Gas Co.,Ltd. Address before: 215152 No. 6 Anmin Road, Panyang Industrial Park, Huangdi Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU JINHONG GAS Co.,Ltd. |