CN107213754B - Full-closed full-automatic spraying gas recycling device - Google Patents
Full-closed full-automatic spraying gas recycling device Download PDFInfo
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- CN107213754B CN107213754B CN201710434067.XA CN201710434067A CN107213754B CN 107213754 B CN107213754 B CN 107213754B CN 201710434067 A CN201710434067 A CN 201710434067A CN 107213754 B CN107213754 B CN 107213754B
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- liquid
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- 238000004064 recycling Methods 0.000 title claims description 20
- 238000005507 spraying Methods 0.000 title claims description 15
- 239000007788 liquid Substances 0.000 claims abstract description 111
- 238000010521 absorption reaction Methods 0.000 claims abstract description 81
- 238000011084 recovery Methods 0.000 claims abstract description 42
- 239000007921 spray Substances 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 238000012545 processing Methods 0.000 claims abstract description 8
- 230000001105 regulatory effect Effects 0.000 claims description 41
- 230000001502 supplementing effect Effects 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000004134 energy conservation Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 49
- 239000000243 solution Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 10
- 230000002745 absorbent Effects 0.000 description 7
- 239000002250 absorbent Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000012047 saturated solution Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Classifications
-
- 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
- B01D53/14—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 absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- 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
- B01D53/14—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 absorption
- B01D53/1406—Multiple stage absorption
Abstract
The utility model provides a full-closed, full-automatic device of retrieving gas that sprays, includes at least one recovery module, recovery module includes sealed absorption cavity, absorption cavity passes through angle adjusting valve and retrieves gas inlet pipe and seals the intercommunication, the top sealing connection of absorption cavity has spray set, and the below is connected with the absorption liquid pipeline, the absorption liquid pipeline passes through gas-liquid separator and storage tank intercommunication, spray set's shower nozzle setting is in absorption cavity, the gas outlet of angle adjusting valve is towards spray set's shower nozzle, gas-liquid separator's liquid outlet and storage tank intercommunication, gas-liquid separator's gas outlet and gas exit tube intercommunication, the liquid outlet of storage tank passes through absorption liquid circulating pipe and spray set's shower intercommunication. The invention has the advantages of simple design structure, low production and maintenance cost, strong processing capacity, full sealing and full automation, no secondary pollution to the environment, energy conservation and emission reduction.
Description
Technical Field
The invention relates to a device for recycling gas with high efficiency, in particular to a device for recycling gas by full-closed and full-automatic spraying.
Background
The recovery of tail gas is an important means for energy conservation, environmental protection and valuable resource recycling in the modern industry, and various existing tail gases can be collected and recovered through the absorbent. Although the gas recovery devices commonly used in the current production are various, most of the devices are used for absorbing a certain special gas, and an induced draft device, such as a recovery device for SF6 gas tail gas mentioned in patent publication No. CN 205634891U, is needed in the absorption process, and has a small application range and single application object; patent publication CN201520124320.8 discloses a gas absorbing and recovering system, which includes a blower and an exhaust fan, and has the disadvantages of complex operation process and large equipment investment; an induced draft device and an igniter are adopted in a recovery and utilization device of the furnace end tail of the reduction furnace, which is mentioned in patent publication No. CN204495081U, and the device has high maintenance cost and low recovery efficiency, so that the device is not beneficial to the production of low added value products. Therefore, the cost and the production efficiency of the conventional tail gas recovery device are not optimized, and a device which is simple and convenient to operate, low in investment, good in absorption effect, energy-saving and emission-reducing is urgently needed.
Disclosure of Invention
Aiming at the technical problems, the invention provides the fully-closed and fully-automatic gas spraying and recycling device which has the advantages of simple structure, low production and maintenance cost, strong processing capacity, capability of realizing full-closed and full-automatic operation, no secondary pollution to the environment, energy conservation and emission reduction.
The utility model provides a full-closed, full-automatic device that sprays recovery gas, includes at least one recovery module, recovery module includes sealed absorption cavity, sealed installation angle adjustment valve on the air inlet of absorption cavity, recovery gas admission line passes through angle adjustment valve and absorption cavity sealing connection, the top sealing connection of absorption cavity has spray set, and below sealing connection has absorption liquid pipeline, absorption liquid pipeline and gas-liquid separator's inlet sealing connection, spray set is equipped with at least a set of shower nozzle, the shower nozzle sets up in the absorption cavity, the gas outlet of angle adjustment valve faces spray set's shower nozzle, gas-liquid separator's liquid outlet and the inlet sealing connection of storage tank, gas-liquid separator's gas outlet and gas exit tube sealing connection, sealing connection has absorption liquid on the liquid outlet of storage tank, absorption liquid and spray set's shower pipe sealing connection. The whole device adopts sealing connection, the absorption effect is regulated by utilizing the air pressure difference generated by the cooling effect and the absorption effect of the spray absorption liquid on the recovered gas, the size of the air pressure difference can regulate the contact area and time between the gas and the liquid by regulating the angle of the gas sprayed out by the angle regulating valve, the purpose of regulating the absorption effect is achieved, the gas-liquid separator not only provides sealing conditions for the liquid phase, but also provides flowing space for the flowing of the gas, the gas-liquid separator discharges the gas through the gas outlet pipe to enter the next working procedure, and the liquid enters the storage tank below for recycling. The absorption liquid in the storage tank can be recycled through the absorption liquid circulating pipe, and the absorption liquid with extremely high concentration or extremely high purity can be obtained, so that the subsequent recovery treatment of the absorption liquid is convenient.
Further, be equipped with a plurality of solitary containers in the storage tank, gas-liquid separator's liquid outlet passes through the pipeline and communicates with every container respectively, every be equipped with the valve on the pipeline, adjacent through storage tank governing valve intercommunication between the container, the storage tank governing valve switches over or controls the valve of water level between the container, if a container is full, can close earlier, after deriving the saturated solution of the inside, then open again and carry out the circulation thickening, make things convenient for the subsequent recovery processing to the absorption liquid.
Further, the device can comprise a plurality of recovery modules which are connected in series or parallel or connected in series or connected in parallel after being connected in series. The properties of each module may be quite different and the composition for absorbing gas may be acidic, basic and neutral for absorbing gases of different composition.
Preferably, the storage tank is provided with a recovery port communicated with the absorption liquid in the storage tank, a liquid storage leading-out valve is arranged on the recovery port in a sealing way, the liquid storage leading-out valve is connected with an inlet of the absorption liquid recovery processing device in a sealing way, an outlet of the absorption liquid recovery processing device is communicated with an absorption liquid supplementing liquid inlet pipe through a supplementing liquid flow regulating valve, and the absorption liquid supplementing liquid inlet pipe is communicated with the spray pipe. If the absorption liquid is easy to recycle, the absorption liquid is recycled after being treated by the absorption liquid recycling device, and if the absorption liquid is not easy to treat, the concentration of the absorption liquid is increased by the absorption liquid circulating pipe, and the absorption liquid is recycled after reaching a certain higher concentration, so that the cost is saved.
Preferably, an online concentration and acidity detection device is arranged in the gas-liquid separator or the storage tank, and the online concentration and acidity detection device controls the flow adjustment of the supplementing liquid flow adjusting valve and the liquid storage leading-out valve through a control device, so that the concentration and acidity of the absorption liquid can be monitored at any time.
Preferably, the spray pipe is communicated with a spray head of the spray device through a flow regulating valve.
Preferably, the flow regulating valve is a telescopic regulating valve. The device can adjust the supplementing liquid flow regulating valve, the angle regulating valve and the telescopic regulating valve, so that a blower device is not required to conduct gas guiding, and the manufacturing cost and the production cost are greatly saved.
Due to the adoption of the structure, the device has the following advantages:
1. the device is sealed at each interface, so that the absorption effect can be regulated by utilizing the air pressure difference generated by the cooling effect and the absorption effect of the spraying absorption liquid to the recovered gas, the size of the air pressure difference can be regulated by regulating the angle of the angle regulating valve to the recovered gas to be sprayed out, the mutual contact area and time between the gas and the liquid are regulated, the purpose of regulating the absorption effect is achieved, and the device can be used for regulating the flow regulating valve, the angle regulating valve and the telescopic regulating valve of the supplementing liquid, so that the air guiding is not needed by an air blowing device, and the manufacturing cost and the production cost are greatly saved.
2. The recovery module can perform any series-parallel combination through the components or the components of the gas to be recovered until all components are absorbed, or impurities are completely removed, or the tail gas meets the national emission standard requirement, and the combination process is very simple and convenient.
3. The device can absorb complex tail gas to finally obtain a high-purity single-component product, does not generate waste water in the whole process, can realize energy conservation and emission reduction, and is very beneficial to environmental protection.
In summary, the device is designed to simplify and modularize the existing spraying device, an induced draft fan or a blower is not needed to guide the air direction in the whole process, and negative pressure generated by absorption and cooling is generated in the absorption cavity through the automatic spraying device of the absorbent, so that gas directly enters the absorption cavity from a generation source to generate heat transfer and mass transfer effects with the absorbent, the angle of the gas and the liquid entering the cavity can be adjusted and controlled through the magnitude of the negative pressure, the gas sucked by the absorption sprayer enters the gas-liquid separator to realize separation between the gas phase and the liquid phase, the absorbent after separation is stored in the storage tank, and the absorbent is continuously entered into the absorption cavity to be circularly absorbed through the circulation system until the absorbent is collected through adjusting the switch of the storage tank after the solution is saturated, and the absorbent returns for recycling after the treatment. In addition, the module may be increased according to the composition and flow rate of the recovered gas until all the gas is recovered. The invention has the advantages of simple design structure, low production and maintenance cost, strong processing capacity, full sealing and full automation, no secondary pollution to the environment, energy conservation and emission reduction.
Drawings
FIG. 1 is a schematic view of the structure of the present invention
In the attached drawings, 1, a spray pipe, 2, a recovered gas inlet pipeline, 3, a telescopic regulating valve, 4, a spray device, 5, an absorption cavity, 6, an absorption liquid pipeline, 7, a storage tank, 8, a storage tank regulating valve, 9, a liquid storage leading-out valve, 10, an absorption liquid circulating pipe, 11, a recovered gas inlet, 12, an absorption liquid supplementing liquid inlet pipe, 13, an angle regulating valve, 14, an online concentration and acidity detection device, 15, a supplementing liquid flow regulating valve, 16, a gas outlet pipe, 17, a first recovery module, 18, a second recovery module, 19, a third recovery module, 20, a gas-liquid separator, 21 and an absorption liquid recovery treatment device.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings.
As shown in fig. 1, a fully-closed and fully-automatic gas spraying and recycling device can comprise a plurality of recycling modules with the same structure, the number of the recycling modules is increased or decreased according to specific situations, in this example, the device comprises a first recycling module 17, a second recycling module 18 and a third recycling module 19, a gas outlet pipe 16 of the former recycling module is communicated with a recycling gas inlet pipeline 2 of the latter recycling module,
the whole circulation system of the device is fully sealed, tail gas sequentially passes through a recovery gas inlet pipeline 2 and an angle adjusting valve 13 from a recovery gas inlet 11 and enters an absorption cavity 5, a spray device 4 is arranged above the absorption cavity 5, an absorption liquid pipeline 6 is connected below the absorption cavity 5, the absorption liquid pipeline 6 is communicated with a storage tank 7 through a gas-liquid separator 20, the absorption liquid pipeline 6 and the storage tank 7 are filled with absorption liquid, the storage tank 7 is communicated with a spray pipe 1 of the spray device 4 through an absorption liquid circulation pipe 10, the spray pipe 1 is communicated with a spray head of the spray device 4 through a telescopic adjusting valve 3, the spray pipe 1 is also communicated with an absorption liquid supplementing liquid inlet pipe 12 through a supplementing liquid flow adjusting valve 15, the spray head of the spray device 4 is arranged in the absorption cavity 5, an air outlet of the angle adjusting valve 13 faces the spray head of the spray device 4, and the angle adjusting valve 13 is higher than the spray head;
the storage tank 7 is internally provided with a plurality of independent containers, the liquid outlet of the gas-liquid separator 20 is respectively communicated with each container through a pipeline, each pipeline is provided with a valve, the adjacent containers are communicated through a storage tank regulating valve, the storage tank regulating valve is a valve for switching or controlling the water level between the containers, if one container is full, the container can be closed firstly, saturated solution in the container is led out and then is opened for circulation thickening, the subsequent recovery treatment of the absorbing solution is facilitated, the storage tank 7 is provided with a recovery port communicated with the absorbing solution in the storage tank 7, the recovery port is connected with an inlet of the absorbing solution recovery treatment device 21 through a liquid storage outlet valve 9, an outlet of the absorbing solution recovery treatment device 21 is communicated with an absorbing solution supplementing liquid inlet pipe 12 through a supplementing liquid flow regulating valve 15, the absorbing solution enters the spraying device 4 from the absorbing solution pipeline 6, the absorbing solution with tail gas is again enters the gas-liquid separator 20 through the absorbing solution pipeline 6, the unsaturated absorbing solution is continuously enters the absorbing system through the absorbing solution 10 after being detected through the on-line concentration and the detection device 14, and is circulated through the circulating pipe 8, and the unsaturated absorbing solution is led out of the absorbing solution through the circulating pipe 8 through the regulating valve 8.
The online concentration and acidity detection device 14 and the supplementary liquid flow regulating valve 15 are linked, and the flow rates of the liquid storage leading-out valve 9 and the supplementary liquid flow regulating valve 15 are regulated according to the signals fed back by the online concentration and acidity detection device 14, so that full-automatic control is realized; the angle adjusting valve 13 can adjust the angle of the gas entering the absorption cavity 5, and the telescopic adjusting valve 3 can adjust the flow of the liquid entering the absorption cavity 5.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modified structure of the present invention falls within the scope of the present invention.
Claims (5)
1. The utility model provides a totally closed, full-automatic gaseous device of retrieving that sprays, includes at least one recovery module, its characterized in that: the recycling module comprises a sealed absorption cavity (5), an angle adjusting valve (13) is arranged on an air inlet of the absorption cavity (5) in a sealing way, a recycling gas inlet pipeline (2) is connected with the absorption cavity (5) in a sealing way through the angle adjusting valve (13), a spraying device (4) is connected above the absorption cavity (5) in a sealing way, an absorption liquid pipeline (6) is connected below the absorption cavity in a sealing way, the absorption liquid pipeline (6) is connected with a liquid inlet of a gas-liquid separator (20) in a sealing way, the spraying device (4) is provided with at least one group of spray heads, the spray heads are arranged in the absorption cavity (5), an air outlet of the angle adjusting valve (13) faces the spray heads of the spraying device (4), a liquid outlet of the gas-liquid separator (20) is connected with a liquid inlet of a storage tank (7) in a sealing way, an absorption liquid (10) is connected on a liquid outlet of the gas-liquid separator (20) in a sealing way, the absorption liquid pipeline (10) is connected with a liquid inlet of the gas-liquid separator (16) in a sealing way, the circulation pipe (1) is connected with a plurality of circulation pipes (7) in a sealing way, each container is connected with each container in a sealing way through a sealing way, the circulation pipe (20) is arranged in each container is connected with each container, the adjacent containers are communicated through a storage tank regulating valve (8);
an online concentration and acidity detection device (14) is arranged in the storage tank (7), the online concentration and acidity detection device (14) controls the flow of the supplementing liquid flow regulating valve (15) and the flow of the liquid storage leading-out valve (9) through a control device, the online concentration and acidity detection device and the supplementing liquid flow regulating valve are in linkage, and the flow of the liquid storage leading-out valve and the flow of the supplementing liquid flow regulating valve are regulated according to signals fed back by the online concentration and acidity detection device.
2. The fully-enclosed, fully-automatic gas recovery spraying device according to claim 1, wherein: the system comprises a plurality of recovery modules, wherein the recovery modules are connected in series or in parallel or are connected in parallel after being connected in series.
3. The fully-enclosed, fully-automatic gas recovery spraying device according to claim 1 or 2, wherein: the storage tank (7) is provided with a recovery port communicated with absorption liquid in the storage tank (7), a liquid storage outlet valve (9) is arranged on the recovery port in a sealing mode, the liquid storage outlet valve (9) is connected with an inlet of the absorption liquid recovery processing device (21) in a sealing mode, an outlet of the absorption liquid recovery processing device (21) is communicated with an absorption liquid supplementing liquid inlet pipe (12) through a supplementing liquid flow regulating valve (15), and the absorption liquid supplementing liquid inlet pipe (12) is communicated with the spray pipe (1).
4. A fully-enclosed, fully-automatic gas recovery spray apparatus according to claim 3, wherein: the spray pipe (1) is communicated with a spray head of the spray device (4) through a flow regulating valve.
5. The fully-enclosed, fully-automatic gas recovery spraying device according to claim 4, wherein: the flow regulating valve is a telescopic regulating valve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710434067.XA CN107213754B (en) | 2017-06-09 | 2017-06-09 | Full-closed full-automatic spraying gas recycling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710434067.XA CN107213754B (en) | 2017-06-09 | 2017-06-09 | Full-closed full-automatic spraying gas recycling device |
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| CN107213754A CN107213754A (en) | 2017-09-29 |
| CN107213754B true CN107213754B (en) | 2023-05-19 |
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| CN113415815B (en) * | 2021-08-10 | 2022-08-02 | 海南行者新材料科技有限公司 | Method for efficiently producing high-purity lithium carbonate |
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| CN105664675A (en) * | 2016-03-07 | 2016-06-15 | 重庆坤泉环境工程有限公司 | Hydrogen sulfide gas purification device |
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| CN201371031Y (en) * | 2009-01-20 | 2009-12-30 | 娄爱娟 | Jacking-in type flue gas desulfurizing device |
| CN102198361B (en) * | 2011-05-19 | 2013-09-04 | 蒋超 | Hydrogen chloride tail gas recovery equipment |
| CN102198369A (en) * | 2011-06-01 | 2011-09-28 | 江苏大学 | Swirling inlet type electrostatic spraying wet flue gas desulphurization dedusting apparatus |
| CN203777914U (en) * | 2014-04-18 | 2014-08-20 | 中石化南京工程有限公司 | Desulfurizing absorption tower |
| CN205127679U (en) * | 2015-10-16 | 2016-04-06 | 安徽安力肽生物科技有限公司 | Processing apparatus is absorbed in tail gas circulation |
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| CN106178843B (en) * | 2016-07-26 | 2019-03-22 | 天津市睿智天成科技发展有限公司 | A kind of packed absorber |
| CN205886527U (en) * | 2016-08-08 | 2017-01-18 | 飞潮（无锡）过滤技术有限公司 | Solid -liquid separation in -process gas collection's closed circuit inner circulating device |
| CN106731518A (en) * | 2016-12-23 | 2017-05-31 | 青上化工（惠州）有限公司 | A kind of hydrochloric acid absorption tower |
| CN206778154U (en) * | 2017-06-09 | 2017-12-22 | 湖南行者环保科技有限公司 | A kind of totally-enclosed, the device of fully-automatic sprinkling gas recovery |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105311928A (en) * | 2015-11-10 | 2016-02-10 | 中冶南方工程技术有限公司 | Packed tower and Venturi all-in-one washing system and washing method thereof |
| CN105664675A (en) * | 2016-03-07 | 2016-06-15 | 重庆坤泉环境工程有限公司 | Hydrogen sulfide gas purification device |
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Effective date of registration: 20220510 Address after: 572700 No. 1, Hainan (Changjiang) clean energy high tech Industrial Park, Haiwei Town, Hainan Province Applicant after: Hainan Walker New Material Technology Co.,Ltd. Address before: 412007 503, building C, R & D center, China Power Valley Independent Innovation Park, Xianyue Ring Road, Tianyuan District, Zhuzhou City, Hunan Province Applicant before: HUNAN TRAILBLAZER ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. |
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Denomination of invention: A fully enclosed and automatic spray gas recovery device Effective date of registration: 20231227 Granted publication date: 20230519 Pledgee: Bank of China Hainan Branch Pledgor: Hainan Walker New Material Technology Co.,Ltd. Registration number: Y2023980075206 |