CN104083986A - Self-adaptive energy-saving type pressure swing adsorption separation system - Google Patents
Self-adaptive energy-saving type pressure swing adsorption separation system Download PDFInfo
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- CN104083986A CN104083986A CN201410332772.5A CN201410332772A CN104083986A CN 104083986 A CN104083986 A CN 104083986A CN 201410332772 A CN201410332772 A CN 201410332772A CN 104083986 A CN104083986 A CN 104083986A
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- control valve
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- nitrogen
- dew point
- accurate filter
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 23
- 238000000926 separation method Methods 0.000 title abstract description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 93
- 239000007789 gas Substances 0.000 claims abstract description 47
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 42
- 238000001035 drying Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000003860 storage Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 13
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 15
- 230000003044 adaptive effect Effects 0.000 claims description 13
- 238000005238 degreasing Methods 0.000 claims description 13
- 208000030208 low-grade fever Diseases 0.000 claims description 13
- 238000011084 recovery Methods 0.000 abstract description 7
- 238000000605 extraction Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 3
- 239000013527 degreasing agent Substances 0.000 abstract 2
- 238000013022 venting Methods 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
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- Drying Of Gases (AREA)
Abstract
The invention relates to a self-adaptive energy-saving type pressure swing adsorption separation system, belonging to the technical field of pressure swing adsorption gas separation. The self-adaptive energy-saving type pressure swing adsorption separation system comprises a dew point drying system and a nitrogen generation system, wherein the dew point drying system comprises a feed gas system, a first precise filter, a micro-heating dryer and a second precise filter, a pipeline at the bottom of the micro-heating dryer is sequentially connected with an air storage tank, a supercharger and a high-efficiency degreaser, the gas outlet end of the high-efficiency degreaser is communicated with a pipeline between the feed gas system and the first precise filter, and the other pipeline at the bottom of the micro-heating dryer is connected with a dew point drying venting system; the nitrogen generation system comprises an air process tank and a nitrogen generation machine, a pipeline at the top part of the nitrogen generation machine is connected with a first flowmeter, a nitrogen generation venting system and the feed gas system sequentially, the other pipeline at the top part of the nitrogen generation machine is sequentially connected with a nitrogen process tank, a third precise filter and a second flowmeter, and a pipeline of the second flowmeter is connected with a nitrogen storage tank and a standby nitrogen storage tank which are connected with each other in parallel. The self-adaptive energy-saving type pressure swing adsorption separation system fully utilizes tail gas as a raw material, the extraction recovery rate of a gas product is increased and waste is reduced.
Description
Technical field
The invention belongs to PSA Gas Separation Technology field, be specifically related to a kind of adaptive power conservation type pressure-variable adsorption piece-rate system.
Background technology
Conventional pressure-variable adsorption partition method, i.e. PSA technique of divided gas flow now.In service in technological process, periodic cycle switch valve state, make each adsorption tower periodic cycle switch alternately absorption, regeneration, desorption, pressure equalizing, need to there is the emptying pressure release of a large amount of tail gas, in these tail gas, there is more gas product composition, particularly utilize in the tail gas of gas product blowback regeneration adsorption tower molecular sieve, portioned product gas concentration is also higher than unstripped gas.All direct emptying end gas of general PSA technique, have the partial tail gas of recovery value all to waste, and make the gas extraction rate of recovery of PSA technique lower, and cannot make full use of the pressure energy in tail gas after emptying, and the energy consumption of equipment is increased, and improve production cost.Cushion in addition the rearmounted blowdown system gas of filtration system and be not also used, the operating characteristic of randomness that simultaneously can not the on-the-spot peak period of customer in response use gas.
Summary of the invention
The problem existing for prior art, the object of the invention is to design provides a kind of technical scheme of adaptive power conservation type pressure-variable adsorption piece-rate system.
Described a kind of adaptive power conservation type pressure-variable adsorption piece-rate system, its feature is being to comprise dew point drying system and nitrogen gas generating system, described dew point drying system comprises the unstripped gas system connecting successively, the first accurate filter, low-grade fever drying machine and the second accurate filter, described pipeline one tunnel, low-grade fever drying machine bottom connects air reservoir successively, supercharger and high-efficiency degreasing device, the outlet side of described high-efficiency degreasing device communicates with the pipeline between unstripped gas system and the first accurate filter, described another road of pipeline, low-grade fever drying machine bottom connects the dry blowdown system of dew point, described nitrogen gas generating system comprise the air process tank that is connected with the second accurate filter and with the tank connected nitrogen making machine of air technique, described pipeline one tunnel, nitrogen making machine top connects first flow meter successively, nitrogen blowdown system processed and unstripped gas system, another connects nitrogen process tank successively, the 3rd accurate filter and the second flowmeter, the second described flowmeter pipeline connects nitrogen storage tank in parallel and nitrogen storage tank for subsequent use.
Described a kind of adaptive power conservation type pressure-variable adsorption piece-rate system, it is characterized in that being equipped with differential pressure pickup on described the first accurate filter, the second accurate filter and high-efficiency degreasing device, described differential pressure pickup connects dew point drying system PLC control centre.
Described a kind of adaptive power conservation type pressure-variable adsorption piece-rate system, it is characterized in that described low-grade fever drying machine bottom arranges the group of control valve up and down in parallel, upper control valve group comprises control valve QV3 and control valve QV4, lower control valve group comprises control valve QV1 and control valve QV2, pipeline between described control valve QV3 and control valve QV4 communicates with the first accurate filter, pipeline one tunnel between described control valve QV1 and control valve QV2 connects air reservoir successively, supercharger and high-efficiency degreasing device, another road connects the dry blowdown system of dew point, the air inlet pipeline of described air reservoir is provided with control valve QV5, the air inlet pipeline of the described dry blowdown system of dew point is provided with control valve QV6, above-mentioned control valve QV1, control valve QV2, control valve QV3, control valve QV4, control valve QV5 is connected dew point drying system PLC control centre with control valve QV6.
Described a kind of adaptive power conservation type pressure-variable adsorption piece-rate system, is characterized in that described nitrogen making machine connects nitrogen gas generating system PLC control centre.
Above-mentioned a kind of adaptive power conservation type pressure-variable adsorption piece-rate system, reasonable in design, the present invention enters system as unstripped gas again again using the partial tail gas that has recovery value in dew point drying system and nitrogen gas generating system, take full advantage of tail gas as raw material, the extraction recovery of gas product rises, cut the waste, and can make full use of the pressurization energy of gas, reduce operation energy consumption and production cost; Simultaneously the present invention shortens the time that reaches technical indicator of gas product, prepares nitrogen storage tank for subsequent use in system, has ensured on present client's production line the maximum of the peak period demand finished product gas of section sometime; In conjunction with dew point drying system PLC control centre and nitrogen gas generating system PLC control centre, optionally organically combine and recycle tail gas simultaneously.
Brief description of the drawings
Fig. 1 is the structural representation of dew point drying system in the present invention;
Fig. 2 is the structural representation of nitrogen gas generating system in the present invention.
In figure: 1-unstripped gas system; 2-high-efficiency degreasing device; 3-supercharger; 4-air reservoir; 5-the first accurate filter; 6-low-grade fever drying machine; 7-the second accurate filter; 8-dew point is dried blowdown system; 9-dew point drying system PLC control centre; 10-nitrogen making machine; 11-first flow meter; 12-nitrogen process tank; 13-the 3rd accurate filter; 14-nitrogen blowdown system processed; 15-the second flowmeter; 16-nitrogen storage tank; 17-nitrogen storage tank for subsequent use; 18-air process tank; 19-nitrogen gas generating system PLC control centre.
Detailed description of the invention
Further illustrate the present invention below in conjunction with Figure of description.
As shown in the figure, a kind of adaptive power conservation type pressure-variable adsorption piece-rate system comprises interconnective dew point drying system and nitrogen gas generating system.
Dew point drying system comprises the unstripped gas system 1, the first accurate filter 5, low-grade fever drying machine 6 and the second accurate filter 7 that connect successively.Wherein low-grade fever drying machine 6 bottoms arrange the group of control valve up and down in parallel, and upper control valve group comprises control valve QV3 and control valve QV4, and lower control valve group comprises control valve QV1 and control valve QV2.Pipeline between control valve QV3 and control valve QV4 communicates with the first accurate filter 5.Pipeline one tunnel between control valve QV1 and control valve QV2 connects air reservoir 4, supercharger 3 and high-efficiency degreasing device 2 successively, the outlet side of high-efficiency degreasing device 2 communicates with the pipeline between unstripped gas system 1 and accurate filter 5, is convenient to the recovery of low-grade fever drying machine 6 tail gas; Another road of pipeline between control valve QV1 and control valve QV2 connects the dry blowdown system 8 of dew point; And for the ease of controlling, on the air inlet pipeline of air reservoir 4, be provided with control valve QV5, the air inlet pipeline of the dry blowdown system 8 of dew point is provided with control valve QV6, and above-mentioned control valve QV1, control valve QV2, control valve QV3, control valve QV4, control valve QV5 and control valve QV6 is connected dew point drying system PLC control centre 9.In order to realize the automatic pollution discharge of filter, on the first accurate filter 5, the second accurate filter 7 and high-efficiency degreasing device 2, be equipped with differential pressure pickup, differential pressure pickup connects dew point drying system PLC control centre 9.
Described nitrogen gas generating system comprises the air process tank 18 and the nitrogen making machine 10 that are connected with the second accurate filter 7, nitrogen making machine 10 top pipeline one tunnels connect first flow meter 11, nitrogen blowdown system 14 processed and unstripped gas system 1 successively, another connects successively nitrogen process tank 12, the 3rd accurate filter 13 and the second flowmeter 15, the second flowmeter 15 pipelines and connects nitrogen storage tank in parallel 16 and nitrogen storage tank for subsequent use 17.Nitrogen making machine 10 connects nitrogen gas generating system PLC control centre 19, under the control of nitrogen gas generating system PLC control centre 19, realizes the switching of adsorption tower A and B in nitrogen making machine 10.
When operation, in low-grade fever drying machine 6 when adsorption tower A and B switch after regeneration, exhaust emissions, if recovery value is little,, by the 9 closed control valve QV5 of dew point drying system PLC control centre, open control valve QV6, enter the dry blowdown system 8 of dew point, to outdoor emptying; If need to reclaim time, by the 9 closed control valve QV6 of dew point drying system PLC control centre, open control valve V5, after tail gas recycle is entered to air reservoir 4 and accumulates, again by supercharger 3 superchargings, then through high-efficiency degreasing device 2 loopbacks to enter in the pipeline between unstripped gas system 1 and the first accurate filter 5 be recoverable.
Simultaneously, gas after dew point drying system system enters nitrogen gas generating system, after nitrogen making machine 10 effects, not meeting the requirements of gas recycles through first flow meter 11, nitrogen blowdown system 14 processed and unstripped gas system 1, meet the requirements of gas and enter nitrogen storage tank 16 and nitrogen storage tank for subsequent use 17 after nitrogen process tank 12, the 3rd accurate filter 13 and the second flowmeter 15, ensured on present client's production line the maximum of the peak period demand finished product gas of section sometime.
Shown in the above and figure is only the preferred embodiment of the present invention.It should be pointed out that for the person of ordinary skill of the art, under the premise without departing from the principles of the invention, can also make some modification and improvement, these also should be considered as belonging to protection scope of the present invention.
Claims (4)
1. an adaptive power conservation type pressure-variable adsorption piece-rate system, it is characterized in that comprising dew point drying system and nitrogen gas generating system, described dew point drying system comprises the unstripped gas system (1) connecting successively, the first accurate filter (5), low-grade fever drying machine (6) and the second accurate filter (7), described pipeline one tunnel, low-grade fever drying machine (6) bottom connects air reservoir (4) successively, supercharger (3) and high-efficiency degreasing device (2), the outlet side of described high-efficiency degreasing device (2) communicates with the pipeline between unstripped gas system (1) and the first accurate filter (5), described another road of pipeline, low-grade fever drying machine (6) bottom connects the dry blowdown system (8) of dew point, described nitrogen gas generating system comprises the air process tank (18) being connected with the second accurate filter (7) and the nitrogen making machine (10) being connected with air process tank (18), described pipeline one tunnel, nitrogen making machine (10) top connects first flow meter (11) successively, nitrogen blowdown system processed (14) and unstripped gas system (1), another connects nitrogen process tank (12) successively, the 3rd accurate filter (13) and the second flowmeter (15), described the second flowmeter (15) pipeline connects nitrogen storage tank in parallel (16) and nitrogen storage tank for subsequent use (17).
2. a kind of adaptive power conservation type pressure-variable adsorption piece-rate system as claimed in claim 1, it is characterized in that being equipped with differential pressure pickup on described the first accurate filter (5), the second accurate filter (7) and high-efficiency degreasing device (2), described differential pressure pickup connects dew point drying system PLC control centre (9).
3. a kind of adaptive power conservation type pressure-variable adsorption piece-rate system as claimed in claim 1, it is characterized in that described low-grade fever drying machine (6) bottom arranges the group of control valve up and down in parallel, upper control valve group comprises control valve QV3 and control valve QV4, lower control valve group comprises control valve QV1 and control valve QV2, pipeline between described control valve QV3 and control valve QV4 communicates with the first accurate filter (5), pipeline one tunnel between described control valve QV1 and control valve QV2 connects air reservoir (4) successively, supercharger (3) and high-efficiency degreasing device (2), another road connects the dry blowdown system (8) of dew point, the air inlet pipeline of described air reservoir (4) is provided with control valve QV5, the air inlet pipeline of the described dry blowdown system (8) of dew point is provided with control valve QV6, above-mentioned control valve QV1, control valve QV2, control valve QV3, control valve QV4, control valve QV5 is connected dew point drying system PLC control centre (9) with control valve QV6.
4. a kind of adaptive power conservation type pressure-variable adsorption piece-rate system as claimed in claim 1, is characterized in that described nitrogen making machine (10) connects nitrogen gas generating system PLC control centre (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410332772.5A CN104083986B (en) | 2014-07-14 | 2014-07-14 | A kind of adaptive power conservation type pressure-variable adsorption piece-rate system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410332772.5A CN104083986B (en) | 2014-07-14 | 2014-07-14 | A kind of adaptive power conservation type pressure-variable adsorption piece-rate system |
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| CN104083986A true CN104083986A (en) | 2014-10-08 |
| CN104083986B CN104083986B (en) | 2016-03-02 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246422A (en) * | 2016-08-18 | 2016-12-21 | 联诺欧机械科技江苏有限公司 | A kind of large-scale combustion engine gas handling system cleaning outfit |
| CN106927435A (en) * | 2017-04-01 | 2017-07-07 | 大同煤矿集团机电装备科工安全仪器有限责任公司 | The control method and middle part purge process of a kind of nitrogen making machine and its valve |
| CN111439731A (en) * | 2020-04-30 | 2020-07-24 | 重庆卡贝乐化工有限责任公司 | Fault self-checking online switching operation system of PSA nitrogen making device |
| CN111545018A (en) * | 2020-05-19 | 2020-08-18 | 武汉定飞科技有限公司 | Device and method for recovering nitrogen tail gas |
| CN111573634A (en) * | 2020-06-19 | 2020-08-25 | 江苏嘉宇特种装备股份有限公司 | Intelligent self-adaptive pressure swing adsorption nitrogen making machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB979422A (en) * | 1960-08-26 | 1965-01-06 | Union Carbide Corp | Improvements in or relating to gas separation |
| CN1634633A (en) * | 2004-11-26 | 2005-07-06 | 华南理工大学 | Pressure variable adsorption type hydrogen drying method and apparatus therefor |
| CN201261721Y (en) * | 2008-05-09 | 2009-06-24 | 陈文学 | Energy-saving apparatus of industrial pressure varying adsorption |
| CN201404757Y (en) * | 2009-05-20 | 2010-02-17 | 重庆联合机器制造有限公司 | Four-way valve closed cycle heating regenerative gas dryer |
| CN101700877A (en) * | 2009-09-09 | 2010-05-05 | 张文波 | Process method for making nitrogen by pressure swing adsorption |
| CN102512915A (en) * | 2012-01-04 | 2012-06-27 | 江苏天宇石化冶金设备有限公司 | Full-automatic internal circulating gas drying device |
| CN203990247U (en) * | 2014-07-14 | 2014-12-10 | 杭州天跃气体设备制造有限公司 | A kind of adaptive power conservation type pressure-variable adsorption piece-rate system |
-
2014
- 2014-07-14 CN CN201410332772.5A patent/CN104083986B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB979422A (en) * | 1960-08-26 | 1965-01-06 | Union Carbide Corp | Improvements in or relating to gas separation |
| CN1634633A (en) * | 2004-11-26 | 2005-07-06 | 华南理工大学 | Pressure variable adsorption type hydrogen drying method and apparatus therefor |
| CN201261721Y (en) * | 2008-05-09 | 2009-06-24 | 陈文学 | Energy-saving apparatus of industrial pressure varying adsorption |
| CN201404757Y (en) * | 2009-05-20 | 2010-02-17 | 重庆联合机器制造有限公司 | Four-way valve closed cycle heating regenerative gas dryer |
| CN101700877A (en) * | 2009-09-09 | 2010-05-05 | 张文波 | Process method for making nitrogen by pressure swing adsorption |
| CN102512915A (en) * | 2012-01-04 | 2012-06-27 | 江苏天宇石化冶金设备有限公司 | Full-automatic internal circulating gas drying device |
| CN203990247U (en) * | 2014-07-14 | 2014-12-10 | 杭州天跃气体设备制造有限公司 | A kind of adaptive power conservation type pressure-variable adsorption piece-rate system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246422A (en) * | 2016-08-18 | 2016-12-21 | 联诺欧机械科技江苏有限公司 | A kind of large-scale combustion engine gas handling system cleaning outfit |
| CN106246422B (en) * | 2016-08-18 | 2019-11-29 | 联诺欧机械科技江苏有限公司 | A kind of large size combustion engine gas handling system cleaning outfit |
| CN106927435A (en) * | 2017-04-01 | 2017-07-07 | 大同煤矿集团机电装备科工安全仪器有限责任公司 | The control method and middle part purge process of a kind of nitrogen making machine and its valve |
| CN111439731A (en) * | 2020-04-30 | 2020-07-24 | 重庆卡贝乐化工有限责任公司 | Fault self-checking online switching operation system of PSA nitrogen making device |
| CN111545018A (en) * | 2020-05-19 | 2020-08-18 | 武汉定飞科技有限公司 | Device and method for recovering nitrogen tail gas |
| CN111573634A (en) * | 2020-06-19 | 2020-08-25 | 江苏嘉宇特种装备股份有限公司 | Intelligent self-adaptive pressure swing adsorption nitrogen making machine |
| CN111573634B (en) * | 2020-06-19 | 2024-02-13 | 江苏嘉宇特种装备股份有限公司 | Intelligent self-adaptive pressure swing adsorption nitrogen making machine |
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