CN108854471A - A kind of membrane separation plant handling organic exhaust gas - Google Patents
A kind of membrane separation plant handling organic exhaust gas Download PDFInfo
- Publication number
- CN108854471A CN108854471A CN201810602624.9A CN201810602624A CN108854471A CN 108854471 A CN108854471 A CN 108854471A CN 201810602624 A CN201810602624 A CN 201810602624A CN 108854471 A CN108854471 A CN 108854471A
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- water
- escape pipe
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- water tank
- membrane
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D53/225—Multiple stage diffusion
- B01D53/226—Multiple stage diffusion in serial connexion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D53/229—Integrated processes (Diffusion and at least one other process, e.g. adsorption, absorption)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of membrane separation plants for handling organic exhaust gas, including body, one side bottom of the body is provided with escape pipe one, one end of the escape pipe one and one end of the body is provided with water Rose Box, foul water tank one is provided at the top of the water Rose Box, side in the water Rose Box is provided with water tank one, the side of the water tank one is provided with water screen, water fender is provided with above the water screen, the both ends of the water fender are both secured to the corresponding side in the water Rose Box, U-shaped escape pipe is provided at the top of the water Rose Box, filter screen is provided between top and bottom in the U-shaped escape pipe, one end of the U-shaped escape pipe and one end of the water Rose Box is provided with compressor.Beneficial effect：This device can allow the organic matter in gas to filter completely, so that the gas degree of purity being discharged into air reaches discharge scalar.
Description
Technical field
The present invention relates to membrane separation plant technical fields, it particularly relates to which a kind of UF membrane for handling organic exhaust gas is set
It is standby.
Background technique
The exhaust gas containing large amount of organic can be generated in industrial processes, in the prior art, for this containing having
The exhaust gas of machine object is to carry out keeping organic matter therein here by washing, still, to the removal of organic matter by way of washing
The effect is unsatisfactory, causes in the gas of discharge to pollute environment there are still organic matter.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For the problems in the relevant technologies, the present invention proposes a kind of membrane separation plant for handling organic exhaust gas, existing to overcome
There is above-mentioned technical problem present in the relevant technologies.
The technical proposal of the invention is realized in this way：
A kind of membrane separation plant handling organic exhaust gas, including body, a side bottom of the body are provided with escape pipe one, institute
It states one end of escape pipe one and one end far from the body and is provided with water Rose Box, the bottom of the water Rose Box is provided with dirt
Water tank one, the side in the water Rose Box are provided with water tank one, and the side of the water tank one is provided with water screen, the water filter
Water fender is provided with above net, the both ends of the water fender are both secured to the corresponding side in the water Rose Box, described
U-shaped escape pipe is provided at the top of water Rose Box, the middle part in the U-shaped escape pipe is provided with filter screen, the U-shaped escape pipe
One end and one end far from the water Rose Box be provided with compressor, the compressor and side far from the body is arranged
There are escape pipe two, one end of the escape pipe two and one end setting having heaters far from the compressor, the heater
Side and the side of the separate escape pipe two are provided with escape pipe three, one end of the escape pipe three and the separate heater
One end be provided with UF membrane case, the side of the UF membrane case and side lower part close to the escape pipe three is provided with water
Pipe, one end of the water pipe and one end far from the UF membrane case are provided with foul water tank two, the top one of the UF membrane case
Side is provided with water tank two, the side of the water tank two is provided with U-tube, one end of the U-tube and far from the water tank two
The corresponding side of the UF membrane case is fixed in one end, is respectively arranged with level-one film separation unit, two in the UF membrane case
Grade film separation unit and three-level film separation unit, the top and bottom of the level-one film separation unit are provided with support frame one,
The top and bottom of the second level film separation unit is provided with support frame two, the top and bottom of the three-level film separation unit
Be provided with support frame three, and support frame as described above one, support frame as described above two and support frame as described above three respectively with the UF membrane case
Inner wall be fixedly connected, the side of the UF membrane case and one end of the escape pipe three is provided with escape pipe four, it is described
One end of escape pipe four and one end of the UF membrane case is provided with gas collection case.
Further, the corresponding side of the heater is provided with deflector.
Further, the bottom of the water tank two is fixedly connected by bolt with the top side of the UF membrane case.
Further, the side of the foul water tank two is provided with water outlet, one end of the water outlet and the separate dirt
One end of water tank two is provided with water valve.
Further, the both ends of the U-shaped escape pipe pass through fixing bolt respectively with the top of the water Rose Box and institute
It states and is fixedly connected at the top of compressor.
Beneficial effects of the present invention：Body generate exhaust gas by escape pipe one enter water Rose Box in, exhaust gas into cross water
The contaminant filter that water will be dissolved in after strainer falls, and the sewage for dissolving in impurity enters in foul water tank one, and residual gas passes through U-shaped outlet
Pipe, and by filter screen by the biggish contaminant filter of particle, gas enters in heater by compressor later, and gas is by adding
Enter in UF membrane case after heat, after level-one film separation unit, second level film separation unit and three-level film separation unit completely
Air enters in gas collection case, when level-one film separation unit, second level film separation unit and three-level film separation unit use the time
When too long generation jello, water tank two is opened, to backwashing in UF membrane case, guarantees level-one film separation unit, secondary membrane
The throughput of separative unit and three-level film separation unit, the sewage of generation enter in foul water tank two.This device can allow gas
In organic matter filter completely so that the gas degree of purity being discharged into air reaches discharge scalar, there is pole to environmental protection
Big meaning.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of general construction schematic diagram of membrane separation plant for handling organic exhaust gas according to an embodiment of the present invention.
In figure：
1, body；2, escape pipe one；3, water Rose Box；4, foul water tank one；5, water tank one；6, water screen；7, water fender；8, U-shaped
Escape pipe；9, filter screen；10, compressor；11, escape pipe two；12, heater；13, escape pipe three；14, UF membrane case；15, water
Pipe；16, foul water tank two；17, water tank two；18, U-tube；19, level-one film separation unit；20, second level film separation unit；21, three-level
Film separation unit；22, support frame one；23, support frame two；24, support frame three；25, escape pipe four；26, gas collection case；27,
Deflector；28, water outlet；29, water valve.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
According to an embodiment of the invention, providing a kind of membrane separation plant for handling organic exhaust gas.
As shown in Figure 1, a kind of membrane separation plant for handling organic exhaust gas according to an embodiment of the present invention, including body 1, institute
The side bottom for stating body 1 is provided with escape pipe 1, one end of the escape pipe 1 and one end setting far from the body 1
There is water Rose Box 3, the bottom of the water Rose Box 3 is provided with foul water tank 1, and the side in the water Rose Box 3 is provided with water
Case 1, the side of the water tank 1 are provided with water screen 6, and the top of the water screen 6 is provided with water fender 7, the water blocking
The both ends of plate 7 are both secured to the corresponding side in the water Rose Box 3, and the top of the water Rose Box 3 is provided with U-shaped outlet
Pipe 8, the middle part in the U-shaped escape pipe 8 are provided with filter screen 9, one end of the U-shaped escape pipe 8 and filter far from the water
One end of case 3 is provided with compressor 10, the compressor 10 and side far from the body 1 is provided with escape pipe 2 11, institute
State one end of escape pipe 2 11 and far from the compressor 10 one end setting having heaters 12, the side of the heater 12 and
Side far from the escape pipe 2 11 is provided with escape pipe 3 13, one end of the escape pipe 3 13 and the separate heater
12 one end is provided with UF membrane case 14, the side of the UF membrane case 14 and side lower part close to the escape pipe 3 13 is set
It is equipped with water pipe 15, one end of the water pipe 15 and one end far from the UF membrane case 14 is provided with foul water tank 2 16, the film
The top side of separator box 14 is provided with water tank 2 17, and the side of the water tank 2 17 is provided with U-tube 18, the U-tube 18
One end and one end far from the water tank 2 17 be fixed on the corresponding side of the UF membrane case 14, the UF membrane case 14
Inside it is respectively arranged with level-one film separation unit 19, second level film separation unit 20 and three-level film separation unit 21, the level-one film point
Top and bottom from unit 19 is provided with support frame 1, and the top and bottom of the second level film separation unit 20 is respectively provided with
There is support frame 2 23, the top and bottom of the three-level film separation unit 21 is provided with support frame 3 24, and support frame as described above
One 22, support frame as described above 2 23 and support frame as described above 3 24 are fixedly connected with the inner wall of the UF membrane case 14 respectively, the film
The side of separator box 14 and one end of the escape pipe 3 13 is provided with escape pipe 4 25, one end of the escape pipe 4 25
And one end far from the UF membrane case 14 is provided with gas collection case 26.
With the aid of the technical scheme, body 1 generate exhaust gas by escape pipe 1 enter water Rose Box 3 in, exhaust gas into
The contaminant filter of water will be dissolved in by, which crossing after water screen 6, falls, and the sewage for dissolving in impurity enters in foul water tank 1, and residual gas passes through U
Type escape pipe 8, and by filter screen 9 by the biggish contaminant filter of particle, gas enters heater 12 by compressor 10 later
Interior, gas enters in UF membrane case 14 after heating, by level-one film separation unit 19, second level film separation unit 20 and three-level
Clean air enters in gas collection case 26 after film separation unit 21, when level-one film separation unit 19, second level film separation unit
20 and three-level film separation unit 21 when generating jello using overlong time, water tank 2 17 is opened, to carrying out in UF membrane case 14
Backwash guarantees the throughput of level-one film separation unit 19, second level film separation unit 20 and three-level film separation unit 21, generation
Sewage enters in foul water tank 2 16.This device can allow the organic matter in gas to filter completely, so that being discharged into air
Gas degree of purity reaches discharge scalar, has great meaning to environmental protection.
In addition, the corresponding side of the heater 12 is provided with deflector 27, gas flow is guided, is extended including gas
The residence time of chamber makes gas homogeneous heating so that gas be made sufficiently to heat；The bottom of the water tank 2 17 passes through bolt and institute
The top side for stating UF membrane case 14 is fixedly connected, and prevents water tank two from falling off, and is bolted convenient for changeing；The foul water tank two
16 side is provided with water outlet 28, one end of the water outlet 28 and one end far from the foul water tank 2 16 is provided with water valve
29, water outlet is in order to release the sewage in foul water tank, and water valve is in order to control the output of sewage；The U-shaped escape pipe 8
Both ends pass through fixing bolt and be fixedly connected respectively with the top at the top of the water Rose Box 3 and the compressor 10, prevent U
Type escape pipe falls off, and influences filter effect.
In conclusion the exhaust gas that body 1 generates is entered by escape pipe 1 by means of above-mentioned technical proposal of the invention
In water Rose Box 3, exhaust gas falls into the contaminant filter that will be dissolved in water is crossed after water screen 6, and the sewage for dissolving in impurity enters foul water tank
In one 4, residual gas is by U-shaped escape pipe 8, and by filter screen 9 by the biggish contaminant filter of particle, and gas is through over-voltage later
Contracting machine 10 enters in heater 12, and gas enters in UF membrane case 14 after heating, by level-one film separation unit 19, second level
Clean air enters in gas collection case 26 after film separation unit 20 and three-level film separation unit 21, when level-one film separation unit
19, when second level film separation unit 20 and three-level film separation unit 21 generate jello using overlong time, water tank 2 17 is opened, it is right
It is backwashed in UF membrane case 14, guarantees level-one film separation unit 19, second level film separation unit 20 and three-level film separation unit
21 throughput, the sewage of generation enter in foul water tank 2 16.This device can allow the organic matter in gas to filter completely, make
The gas degree of purity that must be discharged into air reaches discharge scalar, has great meaning to environmental protection.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of membrane separation plant for handling organic exhaust gas, which is characterized in that including body（1）, the body（1）Side bottom
Portion is provided with escape pipe one（2）, the escape pipe one（2）One end and far from the body（1）One end be provided with water filtering
Case（3）, the water Rose Box（3）Bottom be provided with foul water tank one（4）, the water Rose Box（3）Interior side is provided with water
Case one（5）, the water tank one（5）Side be provided with water screen（6）, the water screen（6）Top be provided with water fender
（7）, the water fender（7）Both ends be both secured to the water Rose Box（3）Interior corresponding side, the water Rose Box（3）
Top be provided with U-shaped escape pipe（8）, the U-shaped escape pipe（8）Interior middle part is provided with filter screen（9）, the U-shaped outlet
Pipe（8）One end and far from the water Rose Box（3）One end be provided with compressor（10）, the compressor（10）And far from institute
State body（1）Side be provided with escape pipe two（11）, the escape pipe two（11）One end and far from the compressor（10）
One end be arranged having heaters（12）, the heater（12）Side and far from the escape pipe two（11）Side be provided with
Escape pipe three（13）, the escape pipe three（13）One end and far from the heater（12）One end be provided with UF membrane case
（14）, the UF membrane case（14）Side and close to the escape pipe three（13）A side lower part be provided with water pipe（15）, institute
State water pipe（15）One end and far from the UF membrane case（14）One end be provided with foul water tank two（16）, the UF membrane case
（14）Top side be provided with water tank two（17）, the water tank two（17）Side be provided with U-tube（18）, the U-tube
（18）One end and far from the water tank two（17）One end be fixed on the UF membrane case（14）Corresponding side, the film
Separator box（14）Inside it is respectively arranged with level-one film separation unit（19）, second level film separation unit（20）With three-level film separation unit
（21）, the level-one film separation unit（19）Top and bottom be provided with support frame one（22）, the second level UF membrane list
Member（20）Top and bottom be provided with support frame two（23）, the three-level film separation unit（21）Top and bottom be all provided with
It is equipped with support frame three（24）, and support frame as described above one（22）, support frame as described above two（23）With support frame as described above three（24）Respectively with
The UF membrane case（14）Inner wall be fixedly connected, the UF membrane case（14）Side and far from the escape pipe three（13）'s
One end is provided with escape pipe four（25）, the escape pipe four（25）One end and far from the UF membrane case（14）One end setting
There is gas collection case（26）.
2. a kind of membrane separation plant for handling organic exhaust gas according to claim 1, which is characterized in that the heater
（12）Corresponding side be provided with deflector（27）.
3. a kind of membrane separation plant for handling organic exhaust gas according to claim 1, which is characterized in that the water tank two
（17）Bottom pass through bolt and the UF membrane case（14）Top side be fixedly connected.
4. a kind of membrane separation plant for handling organic exhaust gas according to claim 1, which is characterized in that the foul water tank two
（16）Side be provided with water outlet（28）, the water outlet（28）One end and far from the foul water tank two（16）One end set
It is equipped with water valve（29）.
5. a kind of membrane separation plant for handling organic exhaust gas according to claim 1, which is characterized in that the U-shaped outlet
Pipe（8）Both ends pass through fixing bolt respectively with the water Rose Box（3）Top and the compressor（10）Top fix
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810602624.9A CN108854471A (en) | 2018-06-12 | 2018-06-12 | A kind of membrane separation plant handling organic exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810602624.9A CN108854471A (en) | 2018-06-12 | 2018-06-12 | A kind of membrane separation plant handling organic exhaust gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108854471A true CN108854471A (en) | 2018-11-23 |
Family
ID=64337955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810602624.9A Pending CN108854471A (en) | 2018-06-12 | 2018-06-12 | A kind of membrane separation plant handling organic exhaust gas |
Country Status (1)
| Country | Link |
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| CN (1) | CN108854471A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112870924A (en) * | 2021-01-22 | 2021-06-01 | 丁雅蓉 | Organic gas membrane separation equipment for laboratory |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101327393A (en) * | 2007-06-20 | 2008-12-24 | 天津工业大学 | Equipment and method for processing gas absorbed by film |
| CN102423637A (en) * | 2011-08-03 | 2012-04-25 | 上虞帝瑞云涛化工有限公司 | Membrane separation system and purification method for purifying camphor sulfonic acid liquid |
| CN103331095A (en) * | 2013-07-16 | 2013-10-02 | 国家海洋局天津海水淡化与综合利用研究所 | Simultaneous desulphurization and denitration device for seawater smoke with membrane absorption method, as well as process of device |
| CN103977671A (en) * | 2014-06-06 | 2014-08-13 | 湖州强马分子筛有限公司 | Waste-gas purifying treatment method and device of carbon molecular sieve |
| US9017451B2 (en) * | 2012-03-16 | 2015-04-28 | Membrane Technology And Research, Inc. | Membrane-based gas separation process using ejector-driven gas recycle |
| CN206837804U (en) * | 2017-04-28 | 2018-01-05 | 福州盛禾能源科技有限公司 | A kind of UF membrane organic waste gas treatment device |
| US20180140994A1 (en) * | 2016-11-22 | 2018-05-24 | Korea Institute Of Energy Research | Apparatus and method for separating carbon dioxide with self recylcle loop |
-
2018
- 2018-06-12 CN CN201810602624.9A patent/CN108854471A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101327393A (en) * | 2007-06-20 | 2008-12-24 | 天津工业大学 | Equipment and method for processing gas absorbed by film |
| CN102423637A (en) * | 2011-08-03 | 2012-04-25 | 上虞帝瑞云涛化工有限公司 | Membrane separation system and purification method for purifying camphor sulfonic acid liquid |
| US9017451B2 (en) * | 2012-03-16 | 2015-04-28 | Membrane Technology And Research, Inc. | Membrane-based gas separation process using ejector-driven gas recycle |
| CN103331095A (en) * | 2013-07-16 | 2013-10-02 | 国家海洋局天津海水淡化与综合利用研究所 | Simultaneous desulphurization and denitration device for seawater smoke with membrane absorption method, as well as process of device |
| CN103977671A (en) * | 2014-06-06 | 2014-08-13 | 湖州强马分子筛有限公司 | Waste-gas purifying treatment method and device of carbon molecular sieve |
| US20180140994A1 (en) * | 2016-11-22 | 2018-05-24 | Korea Institute Of Energy Research | Apparatus and method for separating carbon dioxide with self recylcle loop |
| CN206837804U (en) * | 2017-04-28 | 2018-01-05 | 福州盛禾能源科技有限公司 | A kind of UF membrane organic waste gas treatment device |
Non-Patent Citations (1)
| Title |
|---|
| 刘天齐主编: "《三废处理工程技术手册：废气卷》", 31 May 1999, 化学工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112870924A (en) * | 2021-01-22 | 2021-06-01 | 丁雅蓉 | Organic gas membrane separation equipment for laboratory |
| CN112870924B (en) * | 2021-01-22 | 2022-10-25 | 广州市朔康医疗科技有限公司 | Organic gas membrane separation equipment for laboratory |
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