CN217613913U - Vertical combined water film structure tail gas absorption tower - Google Patents

Vertical combined water film structure tail gas absorption tower Download PDF

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Publication number
CN217613913U
CN217613913U CN202221903730.9U CN202221903730U CN217613913U CN 217613913 U CN217613913 U CN 217613913U CN 202221903730 U CN202221903730 U CN 202221903730U CN 217613913 U CN217613913 U CN 217613913U
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water
water film
absorption tower
tail gas
absorption
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孙浩
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Shenyang Kefa Corrosion Protectin Equipment Technology Co ltd
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Shenyang Kefa Corrosion Protectin Equipment Technology Co ltd
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Abstract

The utility model provides a vertical combination water film structure tail gas absorption tower has solved the tradition and has purified the absorptive problem that the fountain absorption tower water consumption is big to industrial emission tail gas to and the unreliable and poor problem of absorption tail gas effect of work, technical scheme is: the spraying type tail gas absorption device is a spraying pipe which is arranged in an absorption tower body and is provided with a plurality of anti-blocking nozzles, a packing layer which is placed on a supporting plate in a random manner and is used for gas-liquid two-phase contact is arranged below the spraying pipe, the bottom of the absorption tower body is a water sump, a tail gas inlet is arranged on the side wall of the absorption tower body section between the packing layer and the water sump, and the side wall of the water sump is also provided with an absorption liquid lower part guide outlet, an absorption liquid emptying port and an absorption liquid overflow port; the upper portion is provided with water film formula absorbing device in the absorption tower body, and the outside is provided with tail gas absorption liquid ponding jar, water film circulation pipeline and sprays the circulation pipeline, and it is through the water film structure of combination improvement, and the water is saved to cyclic utilization absorption liquid, improves the absorption tail gas effect.

Description

Vertical combined water film structure tail gas absorption tower
Technical Field
The utility model relates to an industrial emission tail gas treatment facility, especially a vertical combination water film structure tail gas absorption tower is suitable for and retrieves or wet dedusting to soluble material in the industrial emission tail gas.
Background
China produces a large amount of industrial exhaust gas in the production process in the industries of chemical industry, pharmacy, metallurgy cold rolling and pickling, electroplating and the like. According to the national regulations for saving and reducing emission, the industrial exhaust gas must be subjected to harmless treatment and absorption. At present, the traditional method that sprays of domestic universal adoption absorbs the processing, sets up the shower in fountain absorption tower, send into the absorption tower with industry exhaust tail gas through the air exhauster in, spray the absorption to gas, the absorption liquid of formation is discharged through neutralization treatment, and the tail gas after the purification is discharged through the filter equipment at absorption tower top again, and the problem that its exists is: taking fan air volume 20000m as an example, the spraying water consumption is 60-80 m in each hour, the water consumption is large, and the absorption efficiency is low; the spray nozzle can be corroded and blocked by impurities of acid liquor after long-time use, the spraying efficiency is reduced, and the gas discharged into the atmosphere after the absorption tower is treated cannot reach the discharge standard. Patent document CN204017639U discloses a water film type acid mist absorption device, which adopts a water film structure formed by a plurality of layers of trays, a diversion cover and a diversion pipe, and discharges absorption liquid downwards through an overflow pipe, and the absorption mode of absorbing tail gas sucked by the absorption liquid is changed by utilizing the water film structure, so that the absorption efficiency is improved. However, the absorption mode is single, and a plurality of groups of water film structural units are required to be arranged, so that the depth of the water films is difficult to control, the arrangement mode of the overflow pipe is unreasonable, the diversion effect is poor, and the absorption efficiency of the discharged tail gas is difficult to further improve.
Disclosure of Invention
The utility model aims at providing a vertical combination water film structure tail gas absorption tower has solved the tradition and has purified the absorptive big problem of fountain absorption tower water consumption to industry emission tail gas to and the unreliable and poor problem of absorption tail gas effect of work, and it is through making up modified water film structure, and the cyclic utilization absorption liquid saves the water, improves the absorption tail gas effect.
The utility model adopts the technical proposal that: this vertical combination water film structure tail gas absorption tower has fountain tail gas absorbing device's absorption tower body including inside equipment, and the absorption tower body lower part sets up the tail gas entry, and the top sets up the tail gas outlet that has defogging vapour and liquid separator, and its technical essential is: the spraying type tail gas absorption device is a spraying pipe which is arranged in the absorption tower body and is provided with a plurality of anti-blocking nozzles, a packing layer which is placed on a supporting plate in a random manner and is used for gas-liquid two-phase contact is arranged below the spraying pipe, the bottom of the absorption tower body is a water sump, a tail gas inlet is arranged on the side wall of the absorption tower body section between the packing layer and the water sump, and the side wall of the water sump is also provided with an absorption liquid lower part guide outlet, an absorption liquid emptying port and an absorption liquid overflow port;
the upper part in the absorption tower body is provided with a water film type absorption device, the water film type absorption device comprises at least two layers of water containing supporting plates, the edges of the water containing supporting plates are hermetically connected with the inner wall of the absorption tower body and are used for forming water films, a water film area is enclosed on each water containing supporting plate through a water film overflow dam, the water film area is provided with a plurality of flow guide pipes communicated with the upper water containing supporting plate and the lower water containing supporting plate, the flow guide pipes are correspondingly provided with flow guide covers, a supporting plate overflow area is formed in the water containing supporting plate area between the periphery of the water film overflow dam and the side wall of the absorption tower body, and a water film overflow pipe for guiding the water films of the lower water containing supporting plates is arranged in the upper supporting plate overflow area;
the absorption tower body outside is provided with long-pending fluid reservoir of tail gas absorption liquid, water film circulating line and sprays the circulating line, and the water film circulating line is: the water outlet of the accumulated liquid tank is communicated with an absorption liquid inlet at the upper part of the absorption tower body through a circulating pipe, an anti-corrosion pump and a control valve, and the water inlet of the accumulated liquid tank is communicated with an overflow water outlet at the side wall of the absorption tower body corresponding to the water-containing supporting plate at the bottom layer of the water film type absorption device through the circulating pipe; the spraying circulation pipeline comprises: the lower part outlet of the absorption liquid of the water bin is communicated with the water inlet of the spray pipe through a circulating pipe, an anti-corrosion pump and a control valve.
A water replenishing pipe is arranged between the liquid accumulation tank and the water bin;
the spraying circulation pipeline is connected with a drainage pipeline for guiding out absorption liquid;
the water film circulating pipeline is connected with a new water replenishing pipeline;
the water film overflow pipe is arranged on a built-in water film overflow pipe inside the absorption tower body, the upper port of the built-in water film overflow pipe is communicated with the upper layer supporting plate overflow area, and the lower port of the built-in water film overflow pipe is communicated with the water film area of the lower layer water containing supporting plate.
The water film overflow pipe is arranged at an external water film overflow pipe outside the absorption tower body, the upper port of the external water film overflow pipe penetrates through the supporting plate overflow area of the side wall of the absorption tower body communicated with the upper water containing supporting plate, and the lower port of the external water film overflow pipe penetrates through the side wall of the absorption tower body communicated with the lower water containing supporting plate water film area.
The utility model discloses the positive effect who has is: because the utility model discloses a water film formula absorbing device, fountain tail gas absorbing device and packing layer vertical combination set up at same absorption tower body, make tail gas get into absorption tower body after first through the packing layer that is sprayed and absorb tail gas, rise again and get into water film formula absorbing device through the shower section, the water film overflow dam that water film formula absorbing device set up encloses into water film zone structure can better form water film layer absorption tail gas, form multi-level tail gas absorption mode, tail gas and absorption liquid more fully contact, no dead angle absorbs, improve absorption industry emission tail gas efficiency, the effectual harmful component that absorbs in the tail gas, make tail gas become environmental protection gas and discharge into the atmosphere and reduce the polluted environment; the tail gas absorption liquid is enabled to carry out double-pipeline tail gas absorption by utilizing the liquid accumulation tank, the water film circulating pipeline and the spraying circulating pipeline, the tail gas is recycled, the device can be effectively used for a long time, the water consumption of parts can not be greatly reduced due to corrosion and blockage, the water saving effect is achieved, and the national direction of saving and reducing emission is fully implemented.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the water film type absorption device of the present invention;
fig. 3 is another schematic structural diagram of the water film type absorption device of the present invention.
The sequence numbers in the figures illustrate: an absorption tower body 1, a water film type absorption device 2, a spray type tail gas absorption device 3, a spray type tail gas absorption device 4, a water inlet of a spray pipe, a packing layer 5, a tail gas inlet 6, a spray type circulation pipeline 7, a circulation pipeline 8, a water drainage pipeline 9, a control valve 10, an anticorrosive pump 11, a lower absorption liquid guide outlet 12, an absorption liquid overflow port 13, a water sump 14, a water sump water replenishing port 15, an absorption liquid emptying port 16, a water film circulation pipeline 17, a water sump water replenishing pipe 18, a liquid accumulation tank water inlet 19, a liquid accumulation tank 20, a liquid accumulation tank water outlet 21, a liquid accumulation tank overflow port 22, a new water replenishing pipeline 23, a water film overflow outlet 24, an absorption liquid inlet 25, a mist removing gas-liquid separator 26, a tail gas outlet 27, absorption liquid 28, tail gas 29, a supporting plate overflow area 201, a flow guide cover 202, a flow guide pipe 203, a water film area 204, a water film overflow dam 205, a water supporting plate 206, a built-in water film overflow pipe 207 and an external water film overflow pipe 208.
Detailed Description
According to the detailed description of fig. 1-3, the present invention provides a tail gas absorption tower with a vertical combined water film structure, as shown in fig. 1, comprising a spray-type tail gas absorption device 3 and a water film type absorption device 2 assembled in an absorption tower body 1. The absorption tower body is a vertical tower-shaped tank body, and a water sump 14, a tail gas inlet 6, a packing layer 5, a spray-type tail gas absorption device 3, a water film type absorption device 2, a demisting gas-liquid separator 26 and a tail gas outlet 27 are sequentially arranged in the absorption tower body 1 from bottom to top; the absorption tower body is externally provided with a tail gas absorption liquid accumulation tank 20, a water film circulating pipeline 17 and a spraying circulating pipeline 7.
The water sump 14 is arranged at the bottom of the absorption tower body and used for containing tail gas absorption liquid, the side wall of the water sump is further provided with an absorption liquid lower part guide outlet 12, an absorption liquid emptying port 16, an absorption liquid overflow port 13 and a water sump water replenishing inlet 15, the absorption liquid emptying port 16 is close to the bottom of the water sump, and the absorption liquid overflow port 13 is close to the upper part of the water sump. The tail gas inlet 6 is arranged on the side wall of the absorption tower body section between the packing layer 5 and the water sump 14, the tail gas inlet 6 is used for introducing tail gas to be purified with acid mist, the tail gas inlet can be arranged in a tubular elbow shape, and the outlet faces the liquid level of the water sump. The packing layer 5 is used as a mass transfer device of a gas-liquid two-phase contact component, is a commercially available packing for forming a water film by spraying water on the surface, such as a porous multi-curved plastic block or a thin plate which forms an irregular shape with a large surface area, is provided with a packing support plate at the bottom, and is placed on the support plate in a random stacking mode. The packing layer top sets up fountain tail gas absorbing device 3, and fountain tail gas absorbing device fixes at absorption tower body middle part tower wall for the shower that has a plurality of nozzles, can adopt high-efficient corrosion-resistant anti-clogging nozzle, for example the spiral nozzle or the solid awl nozzle of PP or PTFE material, and the even and flow of spraying is difficult for blockking up greatly. The water sump, the packing layer and the spray type tail gas absorption device form an independent absorption thickening unit at the lower part of the absorption tower body. The mist removing gas-liquid separator 26 may be a commercially available gas-liquid separator for separating moisture from the gas in the mist-like gas.
The upper part in the absorption tower body 1 is provided with a water film type absorption device 2 which is an improvement on the basis of the water film type absorption device disclosed in the patent document with the publication number of CN204017639U, the water film type absorption device adopts two or more layers of water containing supporting plates which are spaced from each other, as shown in figure 2, the embodiment takes three layers of water containing supporting plates 206 as an example, the water containing supporting plates can be made of temperature-resistant and corrosion-resistant materials, such as PPH modified polypropylene, the edges of the water containing supporting plates are connected with the inner wall of the absorption tower body in a sealing way, the water containing supporting plates are used for containing tail gas absorption liquid 28, the water containing supporting plates are surrounded by a water film overflow dam 205 to form a water film zone 204, the water film district sets up on a plurality of intercommunications, honeycomb duct 203 of lower floor's flourishing water layer board 206, it sets up kuppe 202 to correspond on the honeycomb duct, the water layer board region of regional formation layer board overflow district 201 between water film overflow dam periphery and the absorption tower lateral wall, the layer board overflow district 201 on the upper strata sets up the water film overflow pipe of leading-in lower floor's flourishing water layer board water film, the water film overflow pipe of this embodiment sets up inside the absorption tower body, adopt built-in water film overflow pipe 207, upper port UNICOM upper strata layer board overflow district 201, the vertical lower floor's flourishing water layer board water film district of lower port, can be fast smooth and easy with the leading-in lower floor's water layer board water film district of absorption liquid. The height of the water film overflow dam 205 can be 20 mm, the height of the water film formed by the absorption liquid 28 can be a thin water layer of about 10 mm, a water film with a certain thickness is formed, when the water amount of the tail gas absorption liquid entering the water film area exceeds the height of the water film overflow dam, the tail gas absorption liquid flows into the pallet overflow area through the water film overflow dam 205 and is guided into the lower water pallet water film area through the built-in water film overflow pipe 207. As shown in figure 3, as a further improvement, the water film overflow pipe can be arranged outside the absorption tower body, an external water film overflow pipe 208 is adopted, the upper port penetrates through the supporting plate overflow area of the side wall of the absorption tower body communicated with the upper water containing supporting plate, and the lower port penetrates through the water film area of the side wall of the absorption tower body communicated with the lower water containing supporting plate, so that the water film overflow pipe is convenient to maintain and replace.
The absorption tower body 1 is externally provided with a liquid storage tank 20 for storing tail gas absorption liquid, a water film circulating pipeline 17 and a spraying circulating pipeline 7. The effusion tank 20 is used for containing tail gas absorption liquid and providing circulating water, the upper part of the effusion tank is provided with an effusion tank water inlet 24, the lower part of the effusion tank is provided with an effusion tank water outlet 21, and the effusion tank overflow port 22 and the water sump water replenishing pipe 18 are also arranged; the water film circulation pipeline 17 is: ponding jar delivery port 21 passes through circulating pipe 8, anticorrosive pump 11 and control valve 10 UNICOM absorption tower body upper portion absorption liquid input port 25, and ponding jar water inlet 19 passes through the absorption tower body lateral wall water film overflow delivery port 24 that the flourishing water layer board of 2 bottoms of circulating pipe UNICOM water film formula absorbing device corresponds, can make the absorption liquid stream that gets into by absorption tower body upper portion absorption liquid input port 25 reentrant water film circulation pipeline behind the water film formula absorbing device and circulate and use, and the circulation pipeline 7 that sprays is: the lower part of the absorption liquid of the water sump 14 leads to the outlet 12 and communicates with the water inlet 4 of the spray pipe through the circulating pipe 8, the anticorrosion pump 11 and the control valve 10, can make the absorption liquid flow entering from the water inlet 4 of the spray pipe flow back into the water sump 14 after spraying the tail gas absorbing device and packing layer of the spray type, and then enter the spraying circulation pipeline through the lower part of the absorption liquid 12 to recycle, the high position of the water film circulation pipeline is also connected with a new water replenishing pipeline 23 for replenishing water, when the water level in the liquid collecting tank is higher than the set liquid level, the new water replenishing valve of the new water replenishing pipeline is closed, the anticorrosion pump of the water film circulation pipeline is opened, the liquid in the liquid collecting tank is sent to the water film type absorbing device, the inner circulation of the water film circulation pipeline is started, thus realize the further water-saving effect. The accumulated liquid tank 20 is favorable for the water tank water replenishing pipe 18 to be connected with the water tank water replenishing port 15 and is used for replenishing absorption liquid to the water tank, when the absorption liquid in the water tank reaches the limited concentration and is pumped away, the drainage valve of the water tank water replenishing pipe is communicated, liquid in the liquid collecting tank is guided into the water tank, spraying and thickening are continued, and therefore the most efficient recovery is achieved. The spraying circulation pipeline 7 can also be connected with a drainage pipeline 9 for guiding out absorption liquid, and the drainage pipeline can guide the absorption liquid which is recycled for multiple times and reaches the recycling standard out to a recycling device through an anti-corrosion pump for recycling. The flow direction of the absorption liquid in each pipeline is shown as the black arrow direction on the spray circulation pipeline in figure 1.
In the working process and principle, as shown in fig. 1 and 2, the liquid storage tank 20 and the water sump 14 are filled 28 with absorption liquid. Absorption liquid in the effusion tank enters a water film circulation pipeline 17 from a water outlet of the effusion tank to circularly flow, the absorption liquid is guided to flow into an absorption liquid inlet 25 of the absorption tower body through a circulation pipe and a control valve under the drive of an anticorrosive pump of the pipeline, the flow direction of the absorption liquid entering the absorption tower body is shown as the direction of a black solid arrow in figures 2 and 3, the absorption liquid enters the absorption tower body and flows into a water film type absorption device, tail gas absorption liquid firstly enters a water film area 204 of a water holding supporting plate at the uppermost layer to be gathered and accumulated to form a water film layer, the tail gas absorption liquid flows over a water film overflow dam 205 after being filled with the water film layer and is guided into a water film area of a water holding supporting plate at the lower layer through a water film overflow pipe to flow down layer by layer until the water film area at the bottom layer and then flows out of the absorption tower body through a water film overflow water outlet 24, and finally flows back to a water bin 41 through a water inlet 19 of the effusion tank to complete the circulation of the water film circulation pipeline. Absorption liquid in the sump 14 enters a spraying circulation pipeline 7 from an absorption liquid lower guide outlet 12 to circularly flow, and flows into a spraying pipe water inlet 4 of the absorption tower body through a circulation pipe and a control valve under the drive of an anti-corrosion pump of the pipeline to enter a spraying type tail gas absorption device 3, the spraying pipe uniformly sprays the absorption liquid onto a packing layer through a nozzle and flows down along the surface of the packing, so that the contact surface and the contact time of the absorption liquid and the tail gas are increased, and the absorption liquid flows back into the sump after the packing layer is sprayed, and the circulation of the spraying circulation pipeline is completed. The accumulated liquid tank can be supplemented with absorption liquid by a new water supplementing pipeline; the water sump can be supplemented with absorption liquid by a water replenishing pipe connected with the effusion pot water sump.
And (3) tail gas absorption process: the industrial emission tail gas 29 is firstly blown in from a tail gas inlet of the absorption tower body, upwards passes through the packing layer 5 above the water bin absorption liquid, is in gas-liquid two-phase indirect contact with a water film formed on the surface of the packing layer to form absorption, then is in contact absorption through the spraying absorption liquid of the spraying tail gas absorption device 3, then upwards enters the water film type absorption device 2, the tail gas 29 is guided in through the guide pipe 203 on the bottom water containing supporting plate, is blocked by the guide cover 202, is introduced into the water film layer under the action of pressure, absorbs the tail gas through the absorption liquid, then upwards contacts the absorption liquid layer by layer to fully absorb the tail gas, finally upwards processes water mist through the mist removing gas-liquid separator 26, reaches a tail gas outlet 27 at the upper end of the absorption tower body, and discharges the purified and filtered tail gas, wherein the tail gas flowing direction is shown as the direction indicated by dotted arrows in fig. 1 to 3. The recyclable substances in the tail gas are absorbed by the sprayed absorption liquid and finally flow back to the water sump for recycling, the concentration of the recyclable substances in the tail gas continuously rises along with the cyclic spraying of the absorption liquid, and the recyclable substances are pumped out by the anti-corrosion pump for recycling after being sampled periodically to reach a certain standard. The industrial exhaust tail gas is fully contacted through multiple levels of the tail gas absorption devices, no dead angle is absorbed, the efficiency of absorbing the industrial exhaust tail gas is improved, harmful components in the tail gas are effectively absorbed, and the tail gas is changed into environment-friendly gas and is discharged into the atmosphere without polluting the environment. The tail gas absorption liquid is used for absorbing tail gas through double pipelines by utilizing the liquid accumulation tank, the water film circulation pipeline and the spraying circulation pipeline, the tail gas absorption liquid can be used repeatedly, the tail gas absorption liquid can be effectively used for a long time, parts cannot be corroded or blocked, the water consumption is greatly reduced, and the water saving effect is achieved. The utility model discloses vertical combination water film structure tail gas absorption tower is on probation, and the film-forming water consumption is 10 cubic meter/hour, and the water consumption ratio sprays absorption method using water 80% with the conventional mould equipment tradition, is less than the water consumption that adopts the acid water absorption tower of spraying the structure greatly, through taking a sample 24 hours before the chimney export, and many times analysis chemical examination all reaches national emission standard, fully follows the national square needle of practicing thrift and reducing discharging. The function is more comprehensive, and the effect is more stable, and the water consumption further reduces, can retrieve the reuse to the useful composition after retrieving to adapt to stricter environmental protection requirement day by day.
In conclusion, the purpose of the utility model is realized.

Claims (8)

1. A vertical tail gas absorption tower with a combined water film structure comprises an absorption tower body internally assembled with a spray type tail gas absorption device, wherein the lower part of the absorption tower body is provided with a tail gas inlet, and the top of the absorption tower body is provided with a tail gas outlet with a demisting gas-liquid separator;
the upper part in the absorption tower body is provided with a water film type absorption device, the water film type absorption device comprises at least two layers of water containing supporting plates, the edges of the water containing supporting plates are hermetically connected with the inner wall of the absorption tower body and are used for forming water films, a water film area is enclosed on each water containing supporting plate through a water film overflow dam, the water film area is provided with a plurality of flow guide pipes communicated with the upper water containing supporting plate and the lower water containing supporting plate, the flow guide pipes are correspondingly provided with flow guide covers, a supporting plate overflow area is formed in the water containing supporting plate area between the periphery of the water film overflow dam and the side wall of the absorption tower body, and a water film overflow pipe for guiding the water films of the lower water containing supporting plates is arranged in the upper supporting plate overflow area;
the absorption tower body outside is provided with long-pending fluid reservoir of tail gas absorption liquid, water film circulating line and sprays the circulating line, and the water film circulating line is: the water outlet of the liquid accumulation tank is communicated with an absorption liquid inlet at the upper part of the absorption tower body through a circulating pipe, an anti-corrosion pump and a control valve, and the water inlet of the liquid accumulation tank is communicated with an overflow water outlet at the side wall of the absorption tower body corresponding to the water containing supporting plate at the bottom layer of the water film type absorption device through the circulating pipe; the spraying circulation pipeline comprises: the lower part outlet of the absorption liquid of the water bin is communicated with the water inlet of the spraying pipe through a circulating pipe, an anti-corrosion pump and a control valve.
2. The vertical combined water-film structure tail gas absorption tower according to claim 1, characterized in that: and a water replenishing pipe is arranged between the liquid accumulation tank and the water sump.
3. The vertical combined water film structure tail gas absorption tower of claim 1, wherein: the spraying circulation pipeline is connected with a drainage pipeline used for guiding out the absorption liquid.
4. The vertical combined water film structure tail gas absorption tower of claim 1, wherein: and the water film circulating pipeline is connected with a new water supplementing pipeline.
5. The vertical combined water film structure tail gas absorption tower according to any one of claims 1 to 4, characterized in that: the water film overflow pipe is arranged on a built-in water film overflow pipe inside the absorption tower body, the upper port of the built-in water film overflow pipe is communicated with the upper layer supporting plate overflow area, and the lower port of the built-in water film overflow pipe is communicated with the water film area of the lower layer water containing supporting plate.
6. The vertical combined water film structure tail gas absorption tower according to any one of claims 1 to 4, characterized in that: the water film overflow pipe sets up at the outside external water film overflow pipe of absorption tower body, and external water film overflow pipe upper port passes the layer board overflow district of the flourishing water layer board of absorption tower body lateral wall intercommunication upper strata, and lower port passes the flourishing water layer board water film district of absorption tower body lateral wall intercommunication lower floor.
7. The vertical combined water film structure tail gas absorption tower according to claim 2, characterized in that: the water film overflow pipe is arranged in a built-in water film overflow pipe inside the absorption tower body, the upper port of the built-in water film overflow pipe is communicated with the overflow area of the upper layer supporting plate, and the lower port of the built-in water film overflow pipe is vertical to the water film area of the lower layer water containing supporting plate; the spraying circulation pipeline is connected with a drainage pipeline for guiding out absorption liquid; the water film circulating pipeline is connected with a new water replenishing pipeline.
8. The vertical combined water film structure tail gas absorption tower according to claim 2, characterized in that: the water film overflow pipe is arranged outside the absorption tower body, the upper port of the external water film overflow pipe penetrates through the side wall of the absorption tower body and is communicated with the supporting plate overflow area of the upper water containing supporting plate, and the lower port of the external water film overflow pipe penetrates through the side wall of the absorption tower body and is communicated with the water film area of the lower water containing supporting plate; the spraying circulation pipeline is connected with a drainage pipeline for guiding out absorption liquid; the water film circulating pipeline is connected with a new water replenishing pipeline.
CN202221903730.9U 2022-07-23 2022-07-23 Vertical combined water film structure tail gas absorption tower Active CN217613913U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221903730.9U CN217613913U (en) 2022-07-23 2022-07-23 Vertical combined water film structure tail gas absorption tower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221903730.9U CN217613913U (en) 2022-07-23 2022-07-23 Vertical combined water film structure tail gas absorption tower

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Publication Number Publication Date
CN217613913U true CN217613913U (en) 2022-10-21

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CN202221903730.9U Active CN217613913U (en) 2022-07-23 2022-07-23 Vertical combined water film structure tail gas absorption tower

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