CN201815225U - Air membrane separation device adopting hollow fiber membrane drying technique - Google Patents
Air membrane separation device adopting hollow fiber membrane drying technique Download PDFInfo
- Publication number
- CN201815225U CN201815225U CN201020568898XU CN201020568898U CN201815225U CN 201815225 U CN201815225 U CN 201815225U CN 201020568898X U CN201020568898X U CN 201020568898XU CN 201020568898 U CN201020568898 U CN 201020568898U CN 201815225 U CN201815225 U CN 201815225U
- Authority
- CN
- China
- Prior art keywords
- air
- membrane
- separation membrane
- buffer tank
- nitrogen
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The utility model discloses an air membrane separation device adopting hollow fiber membrane drying technique, which is applied to the field of nitrogen gas production. The device comprises an air compressor, an external after-cooler, a bypass temperature control valve, an air-water separator, an air buffer tank, a filter unit, a hollow fiber dry membrane assembly, a program-controlled cut-off valve, air separation membranes and a nitrogen gas buffer tank, wherein the output end of the air compressor is communicated with the external after-cooler and the bypass temperature control valve at the same time; the other end of the external after-cooler and the other end of the bypass temperature control valve are communicated with the air-water separator, the air buffer tank, the filter unit, the hollow fiber dry membrane assembly and the program-controlled cut-off valve in sequence through delivery pipelines; the other end of the program-controlled cut-off valve is communicated with at least one air separation membrane; and the output end of the nitrogen gas product generated by the oxygen-nitrogen separation of the air separation membrane is communicated with the nitrogen gas buffer tank. The waste heat of the compressed air is moderately cooled, and the temperature of the compressed air is maintained within a temperature range required for the high-efficiency operation of the dry membrane and the air separation membranes, so that the air membrane separation device doesn't need the extra energy input required for electrical heating, eliminates the electrical heating procedure in the prior art, and provides an energy-saving and environment-friendly new technique.
Description
Technical field
The utility model relates to a kind of nitrogen gas generating system, is mainly used in the air separation field, specifically, relates to a kind of film air-separating plant of using the hollow-fibre membrane dry technology.
Background technology
Membrane separation technique is emerging in the world a kind of high-tech isolation technics of last century end.Membrane separation technique system utilizes has special selection organic polymer separatory or inorganic material, form the film of different shape structure, under certain driving force effect, make double base or polynary component the different purposes that reach separation or specific component enrichment of speed because of seeing through film.
It is to utilize some macromolecular material that gas film separates, the characteristic that some gas component is had selectively penetrating and diffusion, these materials are made ultra-fine doughnut, and make the diffusion barrier spare that hollow fiber bundle is equipped with in inside, can be used for the purpose of gas isolated or purified.
The gas desciccator diaphragm utilizes certain macromolecular material just, and the moisture in the compressed air is had the characteristic of selectively penetrating and diffusion, and the membrane separation assemblies that this material is made is used for compressed-air actuated dry decontamination.When the compressed air that contains a large amount of gaseous state moisture during through this desciccator diaphragm spare, the very fast wall from the membrane fiber material of moisture permeates and diffusion, moisture is discharged from from the low-pressure side of membrane fiber material, and components such as oxygen in the compressed air and nitrogen, because its speed of permeating from this polymer fiber material is well below moisture, and do not infiltrated, thereby export from the other end of hollow fiber membrane unit, obtain needed dried compressed air.
When drying film cleaned air passes is flowed through air separation membrane, this doughnut material has the characteristic of selectively penetrating and diffusion to the oxygen nitrogen component in the compressed air again, oxygen is at first permeated and is diffused out, and nitrogen infiltration and diffusivity are slower than oxygen.Thereby when entering this air separation membrane through pre-dry compressed air, oxygen is separated, and nitrogen is then exported as product.
Because this doughnut has only the suitable minute diameter of human tau hair, thereby compressed-air actuated purification is had very high requirement.Not only can not contain mechanical admixture, must guarantee that also air has certain aridity, with the service efficiency that improves air separation membrane and increase the service life.
The utility model has solved the dry problem of raw air, especially having under the particular environment such as requirement of explosion proof, has good practical value.
Existing air separation membrane nitrogen-making device and production process thereof such as Fig. 1 show that the defective that it exists is as follows:
1. air compressor (11), aftercooler (12) and moisture trap (13) all are integrated in air compressor machine inside.No matter adopt air-cooled or water-cooling pattern, all need to consume more energy, compressed air is cooled to normal temperature, do not carry out the utilization of compressed air waste-heat;
2. adopt freezing type compressed air drier (15), compressed air is carried out drying, remove the most of moisture in the compressed air;
3. owing to compressed air cooling back excessive temperature is reduced in the aforementioned process, its compressed-air actuated temperature levels has been lower than the optimum operating temperature of air separation membrane group (19), therefore, also must use the heater of electric heater (17) or other form that compressed-air actuated adjustment is elevated to the optimum operating temperature scope of air separation membrane group (19), thereby need consumed energy again.The high temperature of compressed-air actuated temperature from compressor, the cooling in aftercooler and the freezing type drier is arrived electric heater again and is heated up.Fail effectively to utilize compressed-air actuated waste heat in the process.
The utility model content
Technical problem to be solved in the utility model provides a kind of film air-separating plant of using the hollow-fibre membrane dry technology, this device can overcome the defective that exists in the prior art, especially can't use under the situation of freezing type drier at some specific occasion (as explosion-proof area), assurance enters the compressed-air actuated aridity of air separation membrane module, make full use of the compression waste heat of compressed air itself, delete electrical heating link of the prior art, realize the purpose of energy-saving and environment friendly.
The technical scheme in the invention for solving the above technical problem is: a kind of film air-separating plant of using the hollow-fibre membrane dry technology, comprise air compressor, external aftercooler, the bypass temperature control valve (TCV), moisture trap, the air cushioning jar, filter, doughnut desciccator diaphragm group, program control stop valve, air separation membrane and nitrogen buffer tank, described air compressor output while and external aftercooler, the bypass temperature control valve (TCV) is connected, external aftercooler, the other end of bypass temperature control valve (TCV) and moisture trap, the air cushioning jar, filter, doughnut desciccator diaphragm group, program control stop valve is connected successively by transfer pipeline, the program control stop valve other end and at least one air separation membrane are connected, and the product nitrogen gas output that described air separation membrane carries out after oxygen nitrogen separates is connected by transfer pipeline and nitrogen buffer tank.
In this device, air desciccator diaphragm group and air separation membrane group are the front and back arranged in series, earlier compressed air are carried out drying, compressed air are separated again.Air compressor itself does not attach aftercooler, compressed air directly goes out air compressor machine under the condition of high temperature, avoided that compressed air is cooled earlier in traditional film separation and nitrogen-making device, after the state of temperature of being heated again repeatedly, and utilized the waste heat of compressed air itself, play remarkable energy saving effect, met the theory of energy-conserving and environment-protective.Rearmounted external aftercooler, bypass temperature control valve (TCV) can be realized the adjusting of compressed air cooling back temperature, the automatic control of compressed air temperature is maintained the higher temperature levels that is suitable for gas desciccator diaphragm and air separation membrane optimum separating efficiency, to realize the utilization of compressed air waste-heat.In this device, no longer electric heater or other heater need be set before the hollow-fibre membrane group, improve compressed-air actuated temperature, but directly utilize compressed air waste-heat to keep certain temperature levels, compressed air temperature is in plateau in the device flow process, and in the device freezing type or adsorption air drying device dried compressed air need be set in air cleaning system, and select for use doughnut desciccator diaphragm group to replace above-mentioned traditional air dry-set, need not be to this dry component power supply, the switching of need not regenerating, static fully the operation is specially adapted to the film air-separating plant of explosion-proof area.
Described air separation membrane carries out oxygen after oxygen nitrogen separates and gathers discharging through the side of each air separation membrane film spare or connect with retracting device.
Described nitrogen buffer tank is connected by pipeline and user terminal.
Described doughnut desciccator diaphragm group has the adjusting device of regulating the compressed air drying degree.The compressed air drying degree of its output of desciccator diaphragm group can be regulated, thereby can satisfy the demand of different purposes.
In sum, the beneficial effects of the utility model are:
1. utilize compressed-air actuated waste heat,, keep compressed air temperature, need not carry out extra electrical heating homenergic input again, omitted electrical heating link of the prior art in desciccator diaphragm and the necessary temperature range of air separation membrane efficiency operation through the appropriateness cooling.It is a kind of new technology of energy-saving and environment friendly;
2. omitted the dry link of freezing type of power consumption, replaced with the static air desciccator diaphragm that moves.For some specific occasion (as explosion-proof area), because this kind desciccator diaphragm does not relate to electric attachments, there are not explosion-proof problem and hidden danger, its application demonstrates its superiority more;
3. the good drying property of air desciccator diaphragm can guarantee that the compressed air drying degree that enters air separation membrane spare reaches requirement, has eliminated in the prior art in the hidden danger that adopts degree of superheat control to exist.
4. the utility model is by changing the kit of air separation membrane nitrogen-making device in the prior art, especially in some specific application scenario (as explosion-proof area), overcome the defective that exists in the prior art, effectively utilized compressed-air actuated waste heat, be a kind of new technology of energy-saving and environment friendly, have very high practical value.
Description of drawings
Fig. 1 is the prior art system flow chart.
Fig. 2 is a system flow chart of the present utility model.
The corresponding parts name of label is called in the accompanying drawing: the 1-air compressor, the external aftercooler of 2-, 3-bypass temperature control valve (TCV), 4-moisture trap, 5-air cushioning jar, the 6-filter, 7-doughnut desciccator diaphragm group, the program control stop valve of 8-, the 9-air separation membrane, the 10-nitrogen buffer tank, 11-air compressor, 12-aftercooler, the 13-moisture trap, 14-air cushioning jar, 15-freezing type drier, 16-filter, the 17-electric heater, the program control stop valve of 18-, 19-air separation membrane, 110-nitrogen buffer tank.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Referring to shown in Figure 2, a kind of film air-separating plant of using the hollow-fibre membrane dry technology, comprise air compressor 1, external aftercooler 2, bypass temperature control valve (TCV) 3, moisture trap 4, air cushioning jar 5, filter 6, doughnut desciccator diaphragm group 7, program control stop valve 8, air separation membrane 9 and nitrogen buffer tank 10, doughnut desciccator diaphragm group 7 has the adjusting device of regulating the compressed air drying degree, described air compressor 1 output while and external aftercooler 2, bypass temperature control valve (TCV) 3 is connected, air compressor 1 output is without the compressed air of cooling, can regulate compressed-air actuated cooling effect by external aftercooler 2 and bypass temperature control valve (TCV) 3, the automatic control of compressed air temperature is maintained the higher temperature levels that is suitable for gas desciccator diaphragm and air separation membrane optimum separating efficiency, to realize the utilization of compressed air waste-heat, external aftercooler 2, the other end of bypass temperature control valve (TCV) 3 and moisture trap 4, air cushioning jar 5, filter 6, doughnut desciccator diaphragm group 7, program control stop valve 8 is connected successively by transfer pipeline, program control stop valve 8 other ends and at least one air separation membrane 9 are connected, the product nitrogen gas output that described air separation membrane 9 carries out after oxygen nitrogen separates is connected by transfer pipeline and nitrogen buffer tank 10, nitrogen buffer tank 10 is connected by pipeline and user terminal, and air separation membrane 9 carries out oxygen after oxygen nitrogen separates and gathers discharging through the side of each air separation membrane 9 film spare or connect with the oxygen enrichment retracting device.
The nitrogen production process of air separation membrane nitrogen-making device of the present utility model is:
Itself is not with the air compressor of aftercooler, surrounding air is compressed to rated pressure, and enter in the external aftercooler under the condition of high temperature after compression, the autocontrol valve of this aftercooler and bypass can be realized the compressed-air actuated adjustment control in cooling back, make cooled compressed air temperature be controlled in the scope of follow-up desciccator diaphragm and air separation membrane purification or separative efficiency the best, the gas-water separation of compressed air, buffering and filtration, remove the moisture of free state wherein, micronic dust, impurity such as mist of oil enter the air desciccator diaphragm and carry out further removing of moisture.The purification of compressed air that meets temperature, pressure and air quality class requirement, on/off control through autocontrol valve, enter oxygen, nitrogen separation that air separation membrane carries out air, oxygen is from the low-pressure side discharging of air separation membrane, and nitrogen product is then exported from an other end of air separation membrane.
As mentioned above, just can realize the utility model preferably.
Claims (4)
1. film air-separating plant of using the hollow-fibre membrane dry technology, it is characterized in that, comprise air compressor (1), external aftercooler (2), bypass temperature control valve (TCV) (3), moisture trap (4), air cushioning jar (5), filter (6), doughnut desciccator diaphragm group (7), program control stop valve (8), air separation membrane (9) and nitrogen buffer tank (10), described air compressor (1) output while and external aftercooler (2), bypass temperature control valve (TCV) (3) is connected, external aftercooler (2), the other end of bypass temperature control valve (TCV) (3) and moisture trap (4), air cushioning jar (5), filter (6), doughnut desciccator diaphragm group (7), program control stop valve (8) is connected successively by transfer pipeline, program control stop valve (8) other end and at least one air separation membrane (9) are connected, and the product nitrogen gas output that described air separation membrane (9) carries out after oxygen nitrogen separates is connected by transfer pipeline and nitrogen buffer tank (10).
2. a kind of film air-separating plant of using the hollow-fibre membrane dry technology according to claim 1, it is characterized in that described air separation membrane (9) carries out oxygen after oxygen nitrogen separates and gathers discharging through the side of each air separation membrane (9) film spare or connect with the oxygen enrichment retracting device.
3. a kind of film air-separating plant of using the hollow-fibre membrane dry technology according to claim 1 and 2 is characterized in that, described nitrogen buffer tank (10) is connected by pipeline and user terminal.
4. a kind of film air-separating plant of using the hollow-fibre membrane dry technology according to claim 1 and 2 is characterized in that, described doughnut desciccator diaphragm group (7) has the adjusting device of regulating the compressed air drying degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020568898XU CN201815225U (en) | 2010-10-20 | 2010-10-20 | Air membrane separation device adopting hollow fiber membrane drying technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020568898XU CN201815225U (en) | 2010-10-20 | 2010-10-20 | Air membrane separation device adopting hollow fiber membrane drying technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201815225U true CN201815225U (en) | 2011-05-04 |
Family
ID=43913197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020568898XU Expired - Fee Related CN201815225U (en) | 2010-10-20 | 2010-10-20 | Air membrane separation device adopting hollow fiber membrane drying technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201815225U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489127A (en) * | 2011-11-25 | 2012-06-13 | 中国舰船研究设计中心 | On-site supply system and method for instrument air of ships |
| CN102500197A (en) * | 2011-11-07 | 2012-06-20 | 上海奕材环保科技有限公司 | Method for removing moisture in compressed air based on membrane separation technology |
| CN103446855A (en) * | 2013-08-22 | 2013-12-18 | 苏州康华净化系统工程有限公司 | Dehumidification device based on water-proof breathable film |
| CN105879594A (en) * | 2016-05-26 | 2016-08-24 | 天邦膜技术国家工程研究中心有限责任公司 | Helium-containing water-soluble gas dehumidifying method without helium loss |
| CN106178849A (en) * | 2016-08-31 | 2016-12-07 | 安徽美空气电科技有限公司 | A kind of system realizing air nitrogen oxygen separating based on frequency conversion negative pressure method |
| CN107209150A (en) * | 2015-08-20 | 2017-09-26 | 电子系统股份有限公司 | MS nitrogen safety supply monitor and nitrogen generating means |
| CN107202220A (en) * | 2017-05-12 | 2017-09-26 | 贺州思通信息技术有限公司 | Built on stilts combustion gas heat-preserving anti-freezing pipeline and its application method |
| CN107758632A (en) * | 2017-11-22 | 2018-03-06 | 珠海恒基达鑫国际化工仓储股份有限公司 | A kind of film nitrogen-making device |
| CN107837645A (en) * | 2017-11-24 | 2018-03-27 | 长兴华阁耐物流装备有限公司 | A kind of gas separation adsorption plant of multiple filtration |
| CZ308984B6 (en) * | 2020-08-11 | 2021-11-03 | Mirai Intex Sagl | Air preparation equipment for air cooling machine |
-
2010
- 2010-10-20 CN CN201020568898XU patent/CN201815225U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500197A (en) * | 2011-11-07 | 2012-06-20 | 上海奕材环保科技有限公司 | Method for removing moisture in compressed air based on membrane separation technology |
| CN102489127A (en) * | 2011-11-25 | 2012-06-13 | 中国舰船研究设计中心 | On-site supply system and method for instrument air of ships |
| CN103446855A (en) * | 2013-08-22 | 2013-12-18 | 苏州康华净化系统工程有限公司 | Dehumidification device based on water-proof breathable film |
| CN107209150A (en) * | 2015-08-20 | 2017-09-26 | 电子系统股份有限公司 | MS nitrogen safety supply monitor and nitrogen generating means |
| CN107209150B (en) * | 2015-08-20 | 2020-02-21 | 电子系统股份有限公司 | Monitor for safe supply of nitrogen gas for MS and nitrogen gas generating device |
| CN105879594A (en) * | 2016-05-26 | 2016-08-24 | 天邦膜技术国家工程研究中心有限责任公司 | Helium-containing water-soluble gas dehumidifying method without helium loss |
| CN105879594B (en) * | 2016-05-26 | 2018-11-20 | 天邦膜技术国家工程研究中心有限责任公司 | A kind of dehumidification method of Water Soluble Gas containing helium without helium loss |
| CN106178849A (en) * | 2016-08-31 | 2016-12-07 | 安徽美空气电科技有限公司 | A kind of system realizing air nitrogen oxygen separating based on frequency conversion negative pressure method |
| CN107202220A (en) * | 2017-05-12 | 2017-09-26 | 贺州思通信息技术有限公司 | Built on stilts combustion gas heat-preserving anti-freezing pipeline and its application method |
| CN107758632A (en) * | 2017-11-22 | 2018-03-06 | 珠海恒基达鑫国际化工仓储股份有限公司 | A kind of film nitrogen-making device |
| CN107837645A (en) * | 2017-11-24 | 2018-03-27 | 长兴华阁耐物流装备有限公司 | A kind of gas separation adsorption plant of multiple filtration |
| CZ308984B6 (en) * | 2020-08-11 | 2021-11-03 | Mirai Intex Sagl | Air preparation equipment for air cooling machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201815225U (en) | Air membrane separation device adopting hollow fiber membrane drying technique | |
| CN201842645U (en) | High-purity nitrogen generation system integrating membrane separation and pressure swing adsorption device | |
| CN201823451U (en) | Blast heating internal circulation compressed air purifying device | |
| CN201404756Y (en) | Tee-valve closed cycle heating regenerative gas dryer | |
| CN113457373A (en) | VPSA oxygen generation process and system for efficiently utilizing adsorbent | |
| CN203030171U (en) | Dehumidification device for nitrogen for aluminum powder production | |
| CN104163404A (en) | Recycling method and device for regenerated waste nitrogen in nitrogen purification process | |
| CN202724980U (en) | Compression heat regeneration compressed air cleaner | |
| CN203295201U (en) | Device for producing high-purity nitrogen by using two stages of hollow fiber membranes | |
| CN206646081U (en) | A kind of multistage cascade membrane separation device of marsh gas purifying | |
| CN202175557U (en) | Nitrogen generator based on membrane air separation using deliquescence and drying technique | |
| CN214486326U (en) | Device for separating water vapor from humid air | |
| CN101601959A (en) | A kind of Zero gas consumption low dew point compression heat regeneration absorption compressed air drying method and device thereof | |
| CN213977579U (en) | Landfill gas purification system | |
| CN201342314Y (en) | Compressed air loss-less afterheat drying regenerative device | |
| CN203238036U (en) | High-pressure nitrogen preparation device | |
| CN219091593U (en) | Drying system suitable for rare gas | |
| CN201825729U (en) | Automatic control device of nitrogen making machine | |
| CN112143876A (en) | Energy-saving type protective gas circulation system of galvanizing continuous annealing furnace and process thereof | |
| CN105413415A (en) | Production air treatment assembly | |
| CN201493043U (en) | Compression heat regeneration adsorption compressed air dryer with zero air consumption and low dew point | |
| CN219318978U (en) | Energy-saving type air-blasting external heating drying system | |
| CN215439683U (en) | Membrane nitrogen generation system | |
| CN2815479Y (en) | Adsorption regenerative drying machine | |
| CN203829881U (en) | PSA (Pressure Swing Adsorption) technology based high-purity and high-pressure gas production device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20110504 Termination date: 20131020 |