CN110368709A - Argon device for recovering tail gas - Google Patents
Argon device for recovering tail gas Download PDFInfo
- Publication number
- CN110368709A CN110368709A CN201910603638.7A CN201910603638A CN110368709A CN 110368709 A CN110368709 A CN 110368709A CN 201910603638 A CN201910603638 A CN 201910603638A CN 110368709 A CN110368709 A CN 110368709A
- Authority
- CN
- China
- Prior art keywords
- tower
- rectifying
- argon
- tail gas
- condenser
- 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
Links
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 title claims abstract description 132
- 239000007789 gas Substances 0.000 title claims abstract description 77
- 229910052786 argon Inorganic materials 0.000 title claims abstract description 66
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 17
- 230000008676 import Effects 0.000 claims abstract description 8
- 238000005057 refrigeration Methods 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
- B01D3/146—Multiple effect distillation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B23/00—Noble gases; Compounds thereof
- C01B23/001—Purification or separation processes of noble gases
- C01B23/0036—Physical processing only
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
The present invention relates to a kind of argon device for recovering tail gas, have tower, main condenser and several pipelines in the rectifying of condenser including tower, top under reboiler, rectifying；Argon tail gas is sent into reboiler, reboiler is placed in tower tower bottom under rectifying, the gas vent of tower is connected with the gas feed of main condenser under rectifying, main condenser is placed in tower tower bottom in rectifying, it is connected at the gas vent of tower bottom and argon gas user in rectifying, the liquid outlet of main condenser is connected with the middle part inlet of tower in the inlet of tower under rectifying, rectifying respectively, the liquid outlet of tower is connected with tower lower liquid import in rectifying under rectifying, liquid nitrogen is sent into condenser, and the nitrogen outlet of condenser is connected with circulator.The present invention is using the argon gas in double column cryogenic rectifying recycling argon tail gas, to realize the industrial application again of argon gas, the rate of recovery is high, energy conservation and environmental protection.
Description
Technical field
The invention belongs to tail gas recycles to utilize technical field, and in particular to a kind of recyclable device for argon tail gas.
Background technique
Contain the higher argon component of concentration in the tail gas (argon tail gas) that the various production lines using argon gas discharge, however mesh
Before, this partial tail gas does not carry out recycling and reusing or recovery utilization rate is low, so that resource is wasted.Therefore, it is necessary to be directed to argon tail
Gas designs a kind of high-recovery device.
Summary of the invention
The object of the present invention is to provide one kind can recycle the argon component in argon tail gas, to avoid the wasting of resources, and saves
It can efficient argon device for recovering tail gas.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of argon device for recovering tail gas, for being recycled to argon tail gas, the argon device for recovering tail gas include reboiler,
Tower, top have tower, main condenser and several pipelines in the rectifying of condenser under rectifying；
The argon tail gas is sent into the reboiler through the pipeline, and the reboiler is placed in tower tower bottom under the rectifying, the essence
The gas vent for evaporating lower tower is connected through the pipeline with the gas feed of the main condenser, and the main condenser is placed in described
Tower tower bottom in rectifying is connected in the rectifying at the gas vent of tower bottom and argon gas user, the liquid of tower under the rectifying
It exports the pipeline connected to be connected with tower lower liquid import in the rectifying, described in the liquid outlet warp of the reboiler
Pipeline is connected with tower lower liquid import under the rectifying, and the liquid outlet of the main condenser is divided into two-way through the pipeline,
It is connected all the way with top of tower liquid-inlet under the rectifying, all the way through tower central liquid import on the pipeline and the rectifying
Connection, liquid nitrogen are sent into the condenser through the pipeline, and the nitrogen outlet of the condenser is connected through the pipeline with circulator
It connects.
The rich argon gas export of the main condenser is connected through the pipeline with supercharger.
The argon device for recovering tail gas further includes First Heat Exchanger, the second heat exchanger and the third heat exchanger, the argon
Tail gas is sent into the reboiler after second heat exchanger, in the rectifying argon gas export of tower through the third heat exchanger,
It is connected at argon gas user after second heat exchanger, liquid nitrogen is sent into institute after the First Heat Exchanger, the third heat exchanger
State condenser, the nitrogen outlet of the condenser after the third heat exchanger, the First Heat Exchanger with the circulator phase
Connection.
Tower, the main condenser are all set in ice chest under tower, the rectifying on the reboiler, the rectifying.It is described
Swell refrigeration device is provided in ice chest.
Due to the above technical solutions, the present invention has the following advantages over the prior art: the present invention utilizes double tower
Cryogenic rectification recycles the argon gas in argon tail gas, to realize the industrial application again of argon gas, argon component recovery is high, energy-saving ring
It protects.
Detailed description of the invention
Attached drawing 1 is the schematic diagram of argon device for recovering tail gas of the invention.
Specific embodiment
The invention will be further described for embodiment shown in reference to the accompanying drawing.
Embodiment one: as shown in Fig. 1, a kind of argon device for recovering tail gas for being recycled to argon tail gas, packet
Include reboiler K1, tower C1, main condenser K2 and several connecting pipe roads under tower C2, rectifying in rectifying, wherein tower C2 in rectifying
Top have condenser K3.
Tower C1 under reboiler K1, rectifying, main condenser K2, in rectifying tower C2, condenser K3 all have necessary gas into
Outlet, liquid entrance etc..
Argon tail gas is sent into the gas feed of reboiler K1 by the road, and reboiler K1 is placed in the tower bottom of tower C1 under rectifying.Rectifying
The gas vent of lower tower C1 is connected with the gas feed of main condenser K2 by the road.Main condenser K2 is placed in tower C2 tower in rectifying
Bottom, at the piping connection to argon gas user that tower C2 argon gas export is connected in rectifying；In rectifying the liquid-inlet of the bottom tower C2 with
The liquid outlet of tower bottom is connected by the road under rectifying；The liquid outlet of reboiler K1 by the road with the lower part tower C1 under rectifying
Liquid-inlet is connected.Liquid nitrogen is sent into the liquid nitrogen import of condenser K3 by the road, the nitrogen outlet of condenser K3 by the road with follow
Ring machine is connected, and the waste gas outlet of condenser K3 is connected to designated position by the road.
Above-mentioned argon device for recovering tail gas further includes First Heat Exchanger E1, the second heat exchanger E2 and third heat exchanger E3.Argon tail
Gas is sent into reboiler K1 after the second heat exchanger E2, and the argon gas export of tower C2 is through third heat exchanger E3, the second heat exchanger in rectifying
It is connected to after E2 at argon gas user, the rich argon gas export of main condenser K2 is connected to supercharger after the second heat exchanger E2.Liquid nitrogen
It is sent into condenser K3 after First Heat Exchanger E1, third heat exchanger E3, the nitrogen outlet of condenser K3 is through third heat exchanger E3, the
It is connected after one heat exchanger E1 with circulator.The waste gas outlet of condenser K3 connects after third heat exchanger E3, First Heat Exchanger E1
It is connected to designated position.
Tower C1, main condenser K2 are all set in ice chest under tower C2, rectifying on above-mentioned reboiler K1, rectifying, are set in ice chest
It is equipped with swell refrigeration device.Swell refrigeration device includes the first expanding machine ETA and the second expanding machine ET2, belongs to routine techniques, no
It repeats again.
The process that argon tail gas is recycled using above-mentioned argon device for recovering tail gas are as follows: be sent into again after the cooling of argon tail gas
Liquid is condensed into boiling device K1, it is high that the liquid of reboiler K1 condensation is sent into rectifying in tower C1, generated argon content under rectifying
Liquid is sent into the lower part tower C2 in rectifying.Argon gas a part of main condenser K2 evaporation becomes in tower C2 in rectifying rises gas, separately
One is used as product argon gas feed user.The lower liquid argon a part of the argon content that main condenser K2 is generated is sent into tower C2 in rectifying,
Another part, which is sent into tower C1 under rectifying, becomes phegma.Liquid nitrogen is sent into condenser K3 and provides cooling capacity, and the nitrogen of generation goes to recycle
Machine, and the exhaust gas that tower C2 is generated in rectifying then sends to designated position.
Above scheme is arranged using the argon gas in double column cryogenic rectifying recycling argon tail gas using the various production lines using argon gas
Containing the higher argon component of concentration in the tail gas put, by purified treatment, by the way of double column cryogenic rectifying, high concentration is extracted
Argon gas, carry out industrial application again.The rate of recovery of argon component can be improved using double columns rectification process, the rate of recovery is high, energy
It consumes lower.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of argon device for recovering tail gas, for being recycled to argon tail gas, it is characterised in that: the argon tail gas recycle dress
Setting has tower, main condenser and several pipelines in the rectifying of condenser including tower, top under reboiler, rectifying；
The argon tail gas is sent into the reboiler through the pipeline, and the reboiler is placed in tower tower bottom under the rectifying, the essence
The gas vent for evaporating lower tower is connected through the pipeline with the gas feed of the main condenser, and the main condenser is placed in described
Tower tower bottom in rectifying is connected in the rectifying at the gas vent of tower bottom and argon gas user, the liquid of tower under the rectifying
It exports the pipeline connected to be connected with tower lower liquid import in the rectifying, described in the liquid outlet warp of the reboiler
Pipeline is connected with tower lower liquid import under the rectifying, and the liquid outlet of the main condenser is divided into two-way through the pipeline,
It is connected all the way with top of tower liquid-inlet under the rectifying, all the way through tower central liquid import on the pipeline and the rectifying
Connection, liquid nitrogen are sent into the condenser through the pipeline, and the nitrogen outlet of the condenser is connected through the pipeline with circulator
It connects.
2. argon device for recovering tail gas according to claim 1, it is characterised in that: the rich argon gas export of the main condenser passes through
The pipeline is connected with supercharger.
3. argon device for recovering tail gas according to claim 1, it is characterised in that: the argon device for recovering tail gas further includes
One heat exchanger, the third heat exchanger, liquid nitrogen are sent into the condenser after the First Heat Exchanger, the third heat exchanger,
The nitrogen outlet of the condenser is connected after the third heat exchanger, the First Heat Exchanger with the circulator.
4. argon device for recovering tail gas according to claim 1, it is characterised in that: tower, institute on the reboiler, the rectifying
State tower under rectifying, the main condenser is all set in ice chest.
5. argon device for recovering tail gas according to claim 4, it is characterised in that: be provided with swell refrigeration dress in the ice chest
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910603638.7A CN110368709A (en) | 2019-07-05 | 2019-07-05 | Argon device for recovering tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910603638.7A CN110368709A (en) | 2019-07-05 | 2019-07-05 | Argon device for recovering tail gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110368709A true CN110368709A (en) | 2019-10-25 |
Family
ID=68252036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910603638.7A Pending CN110368709A (en) | 2019-07-05 | 2019-07-05 | Argon device for recovering tail gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110368709A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642996A (en) * | 2016-12-20 | 2017-05-10 | 杭州杭氧股份有限公司 | Cryogenic rectification device and method in process argon recovery system |
| CN108700373A (en) * | 2016-01-11 | 2018-10-23 | 普莱克斯技术有限公司 | System and method for rare gas recycling |
| CN211069080U (en) * | 2019-07-05 | 2020-07-24 | 苏州市兴鲁空分设备科技发展有限公司 | Argon tail gas recovery device |
-
2019
- 2019-07-05 CN CN201910603638.7A patent/CN110368709A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108700373A (en) * | 2016-01-11 | 2018-10-23 | 普莱克斯技术有限公司 | System and method for rare gas recycling |
| CN106642996A (en) * | 2016-12-20 | 2017-05-10 | 杭州杭氧股份有限公司 | Cryogenic rectification device and method in process argon recovery system |
| CN211069080U (en) * | 2019-07-05 | 2020-07-24 | 苏州市兴鲁空分设备科技发展有限公司 | Argon tail gas recovery device |
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