CN202237710U - Energy-saving type pressure-variable adsorption gas separation device - Google Patents
Energy-saving type pressure-variable adsorption gas separation device Download PDFInfo
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- CN202237710U CN202237710U CN2011203596850U CN201120359685U CN202237710U CN 202237710 U CN202237710 U CN 202237710U CN 2011203596850 U CN2011203596850 U CN 2011203596850U CN 201120359685 U CN201120359685 U CN 201120359685U CN 202237710 U CN202237710 U CN 202237710U
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- 238000000926 separation method Methods 0.000 title claims abstract description 41
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 26
- 238000010926 purge Methods 0.000 claims abstract description 41
- 230000008929 regeneration Effects 0.000 claims description 20
- 238000011069 regeneration method Methods 0.000 claims description 20
- 238000010943 off-gassing Methods 0.000 claims description 6
- 230000002000 scavenging effect Effects 0.000 claims description 6
- 230000001172 regenerating effect Effects 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 14
- 238000007605 air drying Methods 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 35
- OLBVUFHMDRJKTK-UHFFFAOYSA-N [N].[O] Chemical compound [N].[O] OLBVUFHMDRJKTK-UHFFFAOYSA-N 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 10
- 239000003463 adsorbent Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003795 desorption Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 208000030208 low-grade fever Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000930 thermomechanical effect Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002156 adsorbate Substances 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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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
- Y02P20/50—Improvements relating to the production of bulk chemicals
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- Separation Of Gases By Adsorption (AREA)
Abstract
The utility model relates to an energy-saving pressure-changing adsorption gas separation device, which comprises a suction dryer and a separator, wherein a purging pipe, an air inlet pipe and an air outlet pipe are respectively arranged between the air inlet pipelines of a separation tower A and a separation tower B, two purging valves are arranged on the purging pipe, two air inlet valves are arranged on the air inlet pipe, and two air outlet valves are arranged on the air outlet pipe; the air outlet pipeline of the air-drying tower A and the air outlet pipeline of the air-drying tower B are provided with an air outlet pipe and a purging air inlet pipe, the air outlet pipe is provided with two air outlet one-way valves, the purging air inlet pipe is provided with two purging one-way valves, the pipeline between the two air outlet one-way valves is communicated with the pipeline between the two air inlet valves through a guide pipe, and the pipeline between the two purging one-way valves is communicated with the pipeline between the two purging valves through a guide pipe. The energy-saving pressure swing adsorption gas separation device has low energy consumption and does not need to waste compressed air additionally.
Description
Technical field
The utility model relates to a kind of gas fractionation unit, especially relates to a kind of double-tower type pressure swing adsorption gas separation device.
Background technology
Pressure swing adsorption gas separation device is purified and 2 chief components of oxygen nitrogen separation assembly by compressed air, and the compressed air purification assembly mainly is that absorption drier (or freeze drier, blot machine) composition is arranged.
The principle of absorption drier and adsorption tower is a characteristic of utilizing desiccant surface and water in air partial vapour pressure to average out; With airborne water adsorption, thereby reach the purpose of removing moisture content in the compressed air, drying machine is a Double-Tower Structure; When air is flowed through a tower when being dried; Another tower is taked the method for step-down, purge then through the dry compressed air of trace, makes the drier that has adsorbed moisture content carry out desorption and regeneration; Be the drier desorb and moisture content discharged outside the machine that double tower replaces the compressed air of continuous operation output dried and clean.
Oxygen nitrogen separation assembly principle is to utilize adsorbent that adsorbate has been depressed different adsorption capacity, adsorption rate and absorption affinity at different branches; And the characteristic that under certain pressure, each component of separated admixture of gas is had the absorption selected; The impurity composition in the unstripped gas is removed in a tower pressurization absorption; Another tower is then through a certain amount of product gas, takes these impurity of method desorption of step-down, purge and makes adsorbent obtain regeneration.The part that purifies the compressed air of the gas fractionation unit on the existing market (as shown in Figure 1) adopts is freeze drier, low-grade fever regeneration absorption compressed air drying device and does not have hot absorption compressed air drying device, and the shortcoming of these devices is:
1. the drying effect of freeze drier is bad, and dew point generally only can be reached for-20 ℃, and also has power consumption, and the ability that conforms is relatively poor.
2. low-grade fever regeneration absorption compressed air drying device needs the micro-compressed air of heating, and energy consumption is higher, and needs the regeneration compressed air of consumption 4-6%.Can reach more than-40 ℃ through dried compressed air dew point.
3. heatless regeneration absorption compressed air drying device needs the regeneration compressed air of consumption 8-10%, and dew point can reach more than-20 ℃.
Summary of the invention
The utility model mainly is that solution existing in prior technology energy consumption is big, wastes compressed-air actuated technical problem, provides a kind of energy consumption little, does not need the compressed-air actuated energy-saving pressure swing adsorption gas separation device of additional waste.
The above-mentioned technical problem of the utility model mainly is able to solve through following technical proposals: a kind of energy-saving pressure swing adsorption gas separation device; Comprise the machine of blotting, seperator; The machine of blotting comprises and blots the A tower, blots B tower and respective line; Seperator comprises separation A tower, separates B tower and respective line; It is characterized in that described separation A tower and separate between the air inlet pipeline of B tower being respectively equipped with scavenging conduit, air inlet pipe and blow-down pipe, scavenging conduit is provided with two blow down valves, air inlet pipe and is provided with two intake valves, blow-down pipes and is provided with two atmospheric valves; The described A of blotting tower and blot and be provided with escape pipe between the outlet pipe of B tower and purge air inlet pipe; Escape pipe is provided with two outgassing nonreturn valves; Purge air inlet pipe and be provided with two purging check valves; Pipeline between described two outgassing nonreturn valves is connected with pipeline between two intake valves through a guiding tube, and two pipelines that purge between the check valve are connected with pipeline between two blow down valves through a guiding tube.Separating A tower or B tower regenerates when purging; Portioned product gas is introduced in this regenerator; This regenerator is purged; Gas behind the purging is heated and through corresponding blow down valve, and---guiding tube---purges the waste gas that route that air inlet pipe---corresponding purging check valve---blots A tower (or B tower) is beneficial to behind the purging and purges blotting machine, to reach blotting the purpose of A tower (or B tower) regeneration.The oxygen nitrogen separation assembly of pressure swing adsorption gas separation device is generally more than the dew points at normal pressure-20 ℃ compressed-air actuated requirement; The dew points at normal pressure of product gas is more than-45 ℃; A certain amount of product gas (regeneration gas) is more than-30 ℃ through the dew points at normal pressure behind the oxygen nitrogen separation assembly; Greater than through blotting the dried compressed air of machine, satisfy the requirement that the machine that blots purges usefulness gas.Energy consumption is the prime cost of pressure swing adsorption gas separation device; And compressed-air actuated energy consumption accounts for more than 90% of equipment energy consumption, and the emptying amount that blots the container of thermomechanical components part and oxygen nitrogen separation assembly is certain, because container diameter and adsorption cycle are fixed; The adsorbent of the machine that blots and the regeneration gas of utilizing oxygen nitrogen separation assembly is regenerated; This has just reduced 8-10% compressed air, has reduced the energy consumption of equipment, has reduced the cost of equipment.
As preferably; The described A of blotting tower and blotting is provided with two Primordial Qi intake valves and two and blots atmospheric valve between the air inlet pipeline of B tower; Between main Primordial Qi air inlet pipe and described two the Primordial Qi intake valves pipeline be connected; Two are blotted atmospheric valve and blot device and purge blast pipe and link to each other with one, and the end that blots device purging blast pipe is provided with a muffler.
As preferably, described two atmospheric valves link to each other with a blowdown piping, and the end of blowdown piping is provided with a muffler.
As preferably, be provided with finished product escape pipe and regeneration air inlet pipe between the outlet pipe of described separation A tower and separation B tower, the finished product escape pipe is provided with two finished product air outlet valves, is provided with a collection of finished products pipe between two finished product air outlet valves; The regeneration air inlet pipe is provided with two check valves, and the pipeline between two check valves links to each other with a finished product return line, and the finished product return line links to each other with described collection of finished products pipe.
As preferably, described finished product return duct is provided with a pressure regulator valve.A certain amount of product gas (regeneration gas) is transferred to about 0.3MPa through pressure regulator valve TV210's; Through regulating flow-control that stop valve makes product gas within the specific limits; Adsorption tower after the entering emptying; Open and get into the pneumatic operated valve that blots the machine part, make a certain amount of product gas (regeneration gas) through the saturated adsorbent of absorption.
The beneficial effect that brings of the utility model is that it is big to have solved the existing in prior technology energy consumption, wastes compressed-air actuated technical problem, has realized that a kind of energy consumption is little, does not need the compressed-air actuated energy-saving pressure swing adsorption gas separation device of additional waste.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of prior art;
Accompanying drawing 2 is a kind of structural representations of the utility model.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Embodiment: as shown in Figure 2; The utility model is a kind of energy-saving pressure swing adsorption gas separation device; Comprise the machine of blotting, seperator; The machine of blotting comprises and blots A tower 3, blots B tower 4 and respective line, and seperator comprises and separate A tower 1, separate B tower 2 and respective line, separates A tower 1 and separate between the outlet pipe of B tower 2 to be provided with finished product escape pipe 22 and regeneration air inlet pipe 23; Finished product escape pipe 22 is provided with between 25, two finished product air outlet valves 25 of two finished product air outlet valves and is provided with a collection of finished products pipe 20; The pipeline that regeneration air inlet pipe 23 is provided with between 26, two check valves 26 of two check valves links to each other with a finished product return duct 21 tunnel, and finished product return line 21 links to each other with described collection of finished products pipe 20, and finished product return duct 21 is provided with a pressure regulator valve 27.Be respectively equipped with scavenging conduit 5, air inlet pipe 6 and blow-down pipe 7 between the air inlet pipeline of separation A tower 1 and separation B tower 2; Scavenging conduit 5 is provided with that two blow down valves 8, air inlet pipe 6 are provided with two intake valves 9, blow-down pipe 7 is provided with two atmospheric valves 10; Two atmospheric valves 10 link to each other with a blowdown piping 18, and the end of blowdown piping is provided with a muffler 19; The described A of blotting tower 3 and blot and be provided with escape pipe 11 between the outlet pipe of B tower 4 and purge air inlet pipe 12; Escape pipe 11 is provided with two outgassing nonreturn valves 13; Purge air inlet pipe 12 and be provided with two purging check valves 14; Pipeline between described two outgassing nonreturn valves 13 is connected with pipeline between two intake valves 9 through a guiding tube, and two pipelines that purge between the check valve 14 are connected with pipeline between two blow down valves through a guiding tube.Blot the A tower and blot and be provided with two Primordial Qi intake valves 15 and two between the air inlet pipeline of B tower and blot atmospheric valve 16; Between main Primordial Qi air inlet pipe 17 and described two the Primordial Qi intake valves 15 pipeline be connected; Two are blotted atmospheric valve and blot device and purge blast pipe and link to each other with one, and the end that blots device purging blast pipe is provided with a muffler.
The present invention in use; Portioned product gas is introduced in this regenerator; This regenerator is purged; Gas behind the purging is heated and through corresponding blow down valve, and---guiding tube---purges the waste gas that route that air inlet pipe---corresponding purging check valve---blots A tower (or B tower) is beneficial to behind the purging and purges blotting machine, to reach blotting the purpose of A tower (or B tower) regeneration.The oxygen nitrogen separation assembly of pressure swing adsorption gas separation device is generally more than the dew points at normal pressure-20 ℃ compressed-air actuated requirement; The dew points at normal pressure of product gas is more than-45 ℃; A certain amount of product gas (regeneration gas) is more than-30 ℃ through the dew points at normal pressure behind the oxygen nitrogen separation assembly; Greater than through blotting the dried compressed air of machine, satisfy the requirement that the machine that blots purges usefulness gas.Energy consumption is the prime cost of pressure swing adsorption gas separation device; And compressed-air actuated energy consumption accounts for more than 90% of equipment energy consumption, and the emptying amount that blots the container of thermomechanical components part and oxygen nitrogen separation assembly is certain, because container diameter and adsorption cycle are fixed; The adsorbent of the machine that blots and the regeneration gas of utilizing oxygen nitrogen separation assembly is regenerated; This has just reduced 8-10% compressed air, has reduced the energy consumption of equipment, has reduced the cost of equipment.
Claims (5)
1. energy-saving pressure swing adsorption gas separation device; Comprise the machine of blotting, seperator; The machine of blotting comprises and blots A tower (1), blots B tower (2) and respective line; Seperator comprises separation A tower (3), separates B tower (4) and respective line; It is characterized in that being respectively equipped with scavenging conduit (5), air inlet pipe (6) and blow-down pipe (7) between the air inlet pipeline of described separation A tower (1) and separation B tower (2), scavenging conduit (5) is provided with that two blow down valves (8), air inlet pipe (6) are provided with two intake valves (9), blow-down pipe (7) is provided with two atmospheric valves (10); The described A of blotting tower (3) and blot and be provided with escape pipe (11) between the outlet pipe of B tower (4) and purge air inlet pipe (12); Escape pipe (11) is provided with two outgassing nonreturn valves (13); Purge air inlet pipe (12) and be provided with two purging check valves (14); Pipeline between described two outgassing nonreturn valves (13) is connected with pipeline between two intake valves (9) through a guiding tube, and two pipelines that purge between the check valves (14) are connected with pipeline between two blow down valves (8) through a guiding tube.
2. a kind of energy-saving pressure swing adsorption gas separation device according to claim 1; It is characterized in that the described A of blotting tower (3) and blot being provided with two Primordial Qi intake valves (15) and two between the air inlet pipeline of B tower (4) and blotting atmospheric valve (16); Between main Primordial Qi air inlet pipe (17) and described two the Primordial Qi intake valves (15) pipeline be connected; Two are blotted atmospheric valve (16) and blot device and purge blast pipe and link to each other with one, and the end that blots device purging blast pipe is provided with a muffler.
3. according to a kind of energy-saving pressure swing adsorption gas separation device shown in the claim 1, it is characterized in that described two atmospheric valves (10) link to each other with a blowdown piping, the end of blowdown piping is provided with a muffler.
4. according to a kind of energy-saving pressure swing adsorption gas separation device shown in claim 1 or 2 or 3; It is characterized in that being provided with finished product escape pipe (22) and the air inlet pipe (23) of regenerating between described separation A tower (1) and the outlet pipe that separates B tower (2); Finished product escape pipe (22) is provided with two finished product air outlet valves (25), is provided with a collection of finished products pipe (20) between two finished product air outlet valves (25); Regeneration air inlet pipe (23) is provided with two check valves (26), and the pipeline between two check valves links to each other with a finished product return line (21), and finished product return line (21) links to each other with described collection of finished products pipe.
5. according to a kind of energy-saving pressure swing adsorption gas separation device shown in the claim 4, it is characterized in that described finished product return duct is provided with a pressure regulator valve (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203596850U CN202237710U (en) | 2011-09-23 | 2011-09-23 | Energy-saving type pressure-variable adsorption gas separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203596850U CN202237710U (en) | 2011-09-23 | 2011-09-23 | Energy-saving type pressure-variable adsorption gas separation device |
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| Publication Number | Publication Date |
|---|---|
| CN202237710U true CN202237710U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203596850U Expired - Fee Related CN202237710U (en) | 2011-09-23 | 2011-09-23 | Energy-saving type pressure-variable adsorption gas separation device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104058371A (en) * | 2014-07-08 | 2014-09-24 | 阳谷祥光铜业有限公司 | Pressure swing adsorption gas production system and pressure swing adsorption gas production method |
| CN104192807A (en) * | 2014-09-02 | 2014-12-10 | 杭州辰睿空分设备制造有限公司 | Oxygen generating equipment system and process flow thereof |
| CN104340961A (en) * | 2014-11-18 | 2015-02-11 | 武汉恒业通气体设备有限公司 | Pressure swing adsorption oxygen generating equipment and method |
| CN104415641A (en) * | 2013-08-16 | 2015-03-18 | 上海通学实业有限公司 | Variable pressure gas adsorption separation apparatus |
| CN104667713A (en) * | 2015-02-06 | 2015-06-03 | 上海创洁科技有限公司 | Nitrogen trifluoride waste gas treatment system and method |
| CN106955560A (en) * | 2017-04-18 | 2017-07-18 | 湖南泰瑞医疗科技有限公司 | Air-treatment main frame and oxygen generation system |
| CN107051113A (en) * | 2017-06-06 | 2017-08-18 | 上海通学实业有限公司 | Pressure swing adsorption gas separation device and method |
| CN110240129A (en) * | 2019-07-11 | 2019-09-17 | 南京赛虎工业设备有限公司 | A kind of making nitrogen by pressure swing adsorption and drying integrated energy saver and method |
| CN110368780A (en) * | 2019-08-02 | 2019-10-25 | 浙江正大空分设备有限公司 | A kind of energy-saving pressure-variable adsorption tail gas recycle and the complete set of equipments and method utilized |
| CN111359371A (en) * | 2020-03-30 | 2020-07-03 | 浙江勤策空分设备有限公司 | PSA nitrogen making equipment for treating tail gas |
-
2011
- 2011-09-23 CN CN2011203596850U patent/CN202237710U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104415641A (en) * | 2013-08-16 | 2015-03-18 | 上海通学实业有限公司 | Variable pressure gas adsorption separation apparatus |
| CN104058371A (en) * | 2014-07-08 | 2014-09-24 | 阳谷祥光铜业有限公司 | Pressure swing adsorption gas production system and pressure swing adsorption gas production method |
| CN104192807B (en) * | 2014-09-02 | 2016-04-06 | 杭州辰睿空分设备制造有限公司 | A kind of oxygen generating plant system and technical process thereof |
| CN104192807A (en) * | 2014-09-02 | 2014-12-10 | 杭州辰睿空分设备制造有限公司 | Oxygen generating equipment system and process flow thereof |
| CN104340961B (en) * | 2014-11-18 | 2016-08-31 | 武汉恒业通气体设备有限公司 | THE PRESSURE SWING ADSORPTION OXYGEN GENERATING DEVICE and method |
| CN104340961A (en) * | 2014-11-18 | 2015-02-11 | 武汉恒业通气体设备有限公司 | Pressure swing adsorption oxygen generating equipment and method |
| CN104667713A (en) * | 2015-02-06 | 2015-06-03 | 上海创洁科技有限公司 | Nitrogen trifluoride waste gas treatment system and method |
| CN106955560A (en) * | 2017-04-18 | 2017-07-18 | 湖南泰瑞医疗科技有限公司 | Air-treatment main frame and oxygen generation system |
| CN107051113A (en) * | 2017-06-06 | 2017-08-18 | 上海通学实业有限公司 | Pressure swing adsorption gas separation device and method |
| CN110240129A (en) * | 2019-07-11 | 2019-09-17 | 南京赛虎工业设备有限公司 | A kind of making nitrogen by pressure swing adsorption and drying integrated energy saver and method |
| CN110240129B (en) * | 2019-07-11 | 2023-09-01 | 江苏空分科技装备制造有限公司 | Pressure swing adsorption nitrogen production and drying integrated energy-saving device and method |
| CN110368780A (en) * | 2019-08-02 | 2019-10-25 | 浙江正大空分设备有限公司 | A kind of energy-saving pressure-variable adsorption tail gas recycle and the complete set of equipments and method utilized |
| CN110368780B (en) * | 2019-08-02 | 2020-06-05 | 浙江正大空分设备有限公司 | Energy-saving complete equipment and method for recycling and utilizing pressure swing adsorption tail gas |
| CN111359371A (en) * | 2020-03-30 | 2020-07-03 | 浙江勤策空分设备有限公司 | PSA nitrogen making equipment for treating tail gas |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20130923 |