CN210964510U - Chemical tail gas treatment absorption tower - Google Patents
Chemical tail gas treatment absorption tower Download PDFInfo
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- CN210964510U CN210964510U CN201921430184.XU CN201921430184U CN210964510U CN 210964510 U CN210964510 U CN 210964510U CN 201921430184 U CN201921430184 U CN 201921430184U CN 210964510 U CN210964510 U CN 210964510U
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Abstract
The utility model discloses an absorption tower is administered to chemical industry tail gas, include: the waste gas heat exchanger comprises a tower body, wherein a waste gas inlet is formed in one side of the lower end of the tower body, a lower exchange adsorption layer is arranged in the tower body at the upper end of the waste gas inlet, a middle exchange adsorption layer is arranged in the tower body at the upper end of the lower exchange adsorption layer, an upper exchange adsorption layer is arranged in the tower body at the upper end of the middle exchange adsorption layer, a liquid absorption cotton layer is arranged in the tower body at the upper end of the upper exchange adsorption layer, an exhaust port is formed in the tower body at the upper end of the liquid absorption cotton layer, an exchange liquid storage box communicated with the tower body is arranged in the tower body at the lower end of the waste gas inlet, a heat exchanger is arranged at one end of the exchange liquid storage box, one end of the.
Description
Technical Field
The utility model relates to a waste gas treatment equipment especially relates to an absorption tower is administered to chemical industry tail gas.
Background
With the increasing complexity of artificially synthesized compounds, the high-concentration degradation-resistant chemical tail gas has more and more great harm to the human environment. At present, people generally adopt the absorption tower to handle among the chemical industry tail gas, current absorption tower mainly adopts the individual layer packing layer to spray with the exchange liquid and combines the harmful toxic substance of combining among the chemical industry tail gas to exchange the absorption, the individual layer packing layer sprays with the exchange liquid and combines the treatment effect poor, cause the secondary emission of chemical industry tail gas easily, and simultaneously, in summer, because the temperature is too high, exchange liquid and packing layer cause the high temperature to become invalid easily in the absorption tower when the temperature is higher than more than 32 ℃, in winter, because the temperature is too low, exchange liquid and packing layer in the absorption tower cause the low temperature to become invalid again easily when the temperature is less than below 0 ℃, exchange liquid and packing layer high temperature become invalid and low temperature ageing can cause the absorption tower to exchange the absorption incompletely, can not reach the emission standard of national chemical industry tail gas.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: provides a chemical tail gas treatment absorption tower with good exchange and adsorption effects.
In order to solve the technical problem, the utility model discloses a technical scheme is: absorption tower is administered to chemical industry tail gas includes: a tower body, a waste gas inlet is arranged on one side of the lower end of the tower body, a lower exchange adsorption layer is arranged in the tower body at the upper end of the waste gas inlet, a middle exchange adsorption layer is arranged in the tower body at the upper end of the lower exchange adsorption layer, an upper exchange adsorption layer is arranged in the tower body at the upper end of the middle exchange adsorption layer, a liquid absorption cotton layer is arranged in the tower body at the upper end of the upper exchange adsorption layer, an air outlet is arranged on the tower body at the upper end of the liquid absorption cotton layer, an exchange liquid storage box communicated with the tower body is arranged in the tower body at the lower end of the waste gas inlet, a heat exchanger is arranged at one end of the exchange liquid storage box, one end of the heat exchanger extends into the exchange liquid storage box, the other end of the heat exchanger, the liquid extraction port of the circulating pump is communicated with the bottom of the exchange liquid storage box through a liquid extraction pipe, a first spray pipe is arranged in the tower body between the middle exchange adsorption layer and the upper exchange adsorption layer, a plurality of first spray heads are uniformly arranged on the first spray pipe, a second spray pipe is arranged in the tower body between the upper exchange adsorption layer and the liquid absorption cotton layer, a plurality of second spray heads are uniformly arranged on the second spray pipe, one end of each of the first spray pipe and the second spray pipe extends out of the tower body to be connected with a liquid outlet pipe, and the liquid outlet pipe is connected with a liquid outlet of the circulating pump.
In order to better solve the technical problem, the utility model discloses a further technical scheme is: the lower exchange adsorption layer is a wave baffle plate, the middle exchange adsorption layer is a multi-surface ball adsorption packing layer, and the upper exchange adsorption layer is a bead-shaped adsorption packing layer.
In order to better solve the technical problem, the utility model discloses a further technical scheme is: the tower body between the middle exchange adsorption layer and the upper exchange adsorption layer is provided with a first observation window, the tower body between the upper exchange adsorption layer and the liquid absorption cotton layer is provided with a second observation window, and the tower body on one side of the liquid absorption cotton layer is provided with a third observation window.
In order to better solve the technical problem, the utility model discloses a further technical scheme is: the heat exchanger unit adopts a heating unit.
In order to better solve the technical problem, the utility model discloses a further technical scheme is: the heat exchange unit adopts a refrigerating unit.
The utility model has the advantages that: above-mentioned absorption tower is administered to chemical industry tail gas, adopt three-layer exchange adsorbed layer and double exchange liquid shower to exchange chemical industry tail gas and adsorb, three-layer exchange adsorbed layer adopts the wave baffling board respectively, polyhedral ball adsorbs packing layer and pearl shape adsorption packing layer, can effectively handle the harmful toxic substance in the chemical industry tail gas, and simultaneously, install the heat exchanger in the exchange liquid hold up tank, summer, when the temperature is higher than 32 ℃, can appear absorbing incomplete condition, the heat exchanger unit that the heat exchanger is connected adopts refrigerating unit, can reduce the temperature of exchange liquid, guarantee the absorption effect. In winter, when the temperature is lower than 0 ℃, the exchange liquid is easy to freeze, and the heat exchanger unit connected with the heat exchanger adopts a heating unit, so that the temperature of the exchange liquid can be controlled to be higher than 10 ℃, the freezing is prevented, the exchange adsorption effect is ensured, and the national chemical tail gas emission standard is ensured.
Drawings
Fig. 1 is the structure schematic diagram of the chemical tail gas treatment absorption tower of the utility model.
In the figure: 1. the device comprises a tower body, 2, a waste gas inlet, 3, a lower exchange adsorption layer, 4, a middle exchange adsorption layer, 5, an upper exchange adsorption layer, 6, a liquid absorption cotton layer, 7, an exhaust port, 8, an exchange liquid storage box, 9, a heat exchanger, 10, a heat exchanger unit, 11, a circulating pump, 12, a liquid pumping pipe, 13, a first spray pipe, 14, a first spray head, 15, a second spray pipe, 16, a second spray head, 17, a liquid outlet pipe, 18, a first observation window, 19, a second observation window, 20 and a third observation window.
Detailed Description
The following detailed description of the present invention will be made in conjunction with the accompanying drawings and specific embodiments.
As shown in fig. 1, a tower body 1 is provided, a waste gas inlet 2 is provided at one side of the lower end of the tower body 1, a lower exchange adsorption layer 3 is provided in the tower body 1 at the upper end of the waste gas inlet 2, a middle exchange adsorption layer 4 is provided in the tower body 1 at the upper end of the lower exchange adsorption layer 3, an upper exchange adsorption layer 5 is provided in the tower body 1 at the upper end of the middle exchange adsorption layer 4, a liquid absorption cotton layer 6 is provided in the tower body 1 at the upper end of the upper exchange adsorption layer 5, an exhaust port 7 is provided in the tower body 1 at the upper end of the liquid absorption cotton layer 6, an exchange liquid storage tank 8 communicated with the tower body 1 is provided in the tower body 1 at the lower end of the waste gas inlet 2, a heat exchanger 9 is provided at one end of the exchange liquid storage tank 8, one end of the heat exchanger 9 extends into the exchange liquid storage, the other end of the exchange liquid storage box 8 is provided with a circulating pump 11, a liquid pumping port of the circulating pump 11 is communicated with the bottom of the exchange liquid storage box 8 through a liquid pumping pipe 12, a first spraying pipe 13 is arranged in the tower body 1 between the middle exchange adsorption layer 4 and the upper exchange adsorption layer 5, a plurality of first spraying heads 14 are uniformly arranged on the first spraying pipe 13, a second spraying pipe 15 is arranged in the tower body 1 between the upper exchange adsorption layer 5 and the liquid absorption cotton layer 6, a plurality of second spraying heads 16 are uniformly arranged on the second spraying pipe 15, one ends of the first spraying pipe 13 and the second spraying pipe 15 extend out of the tower body 1 to be connected with a liquid outlet pipe 17, and the liquid outlet pipe 17 is connected with a liquid outlet of the circulating pump 11.
In this embodiment, the lower exchange adsorption layer 3 is a wave baffle plate, the middle exchange adsorption layer 4 is a multi-surface ball adsorption packing layer, and the upper exchange adsorption layer 5 is a bead-shaped adsorption packing layer.
In this embodiment, a first observation window 18 is provided on the tower body 1 between the middle exchange adsorption layer 4 and the upper exchange adsorption layer 5, a second observation window 19 is provided on the tower body 1 between the upper exchange adsorption layer 5 and the liquid absorption cotton layer 6, and a third observation window 20 is provided on the tower body 1 on the side of the liquid absorption cotton layer 6.
In summer, when the temperature is higher than 32 ℃, the incomplete absorption can occur, and the heat exchange unit 10 adopts a heating unit, so that the temperature of the exchange liquid can be reduced, and the absorption effect is ensured.
In winter, when the temperature is lower than 0 ℃, the exchange liquid is easy to freeze, the heat exchange unit 10 adopts a refrigerating unit, the temperature of the exchange liquid can be controlled to be more than 10 ℃, the freezing is prevented, and the exchange adsorption effect is ensured.
When the chemical tail gas treatment absorption tower works, chemical tail gas enters the tower body 1 from the waste gas inlet 2 and sequentially passes through the lower exchange adsorption layer 3, the middle exchange adsorption layer 4 and the upper exchange adsorption layer 5 upwards, meanwhile, the circulating pump 11 is started, the circulating pump 11 pumps out exchange liquid in the exchange liquid storage tank 8 through the liquid pumping pipe 12 and then respectively sends the exchange liquid into the first spray pipe 13 and the second spray pipe 15 through the liquid outlet pipe 17, the exchange liquid in the first spray pipe 13 is sprayed onto the middle exchange adsorption layer 4 from the plurality of first spray heads 14, the exchange liquid in the second spray pipe 15 is sprayed onto the upper exchange adsorption layer 5 from the plurality of second spray heads 16, the waste gas firstly exchanges and adsorbs harmful substances in the waste gas when passing through the lower exchange adsorption layer 3, and the waste gas secondly exchanges and adsorbs the harmful substances in the waste gas by combining the exchange liquid when passing through the middle exchange adsorption layer 4, when the waste gas passes through the upper exchange adsorption layer 5, the waste gas is combined with the exchange liquid to carry out third exchange adsorption on harmful substances in the waste gas, the waste gas after the third exchange adsorption forms gas with certain water molecules, the gas with certain water molecules absorbs water in the clean gas through the liquid absorption cotton layer 6, the clean gas is discharged out of the tower body 1 through the exhaust port 7, and the sprayed exchange liquid continuously drops into the exchange liquid storage tank 8 along the tower body after reaction for recycling.
Above-mentioned absorption tower is administered to chemical industry tail gas, adopt three-layer exchange adsorbed layer and double exchange liquid shower to exchange chemical industry tail gas and adsorb, three-layer exchange adsorbed layer adopts the wave baffling board respectively, polyhedral ball adsorbs packing layer and pearl shape adsorption packing layer, can effectively handle the harmful toxic substance in the chemical industry tail gas, and simultaneously, install the heat exchanger in the exchange liquid hold up tank, summer, when the temperature is higher than 32 ℃, can appear absorbing incomplete condition, the heat exchanger unit that the heat exchanger is connected adopts refrigerating unit, can reduce the temperature of exchange liquid, guarantee the absorption effect. In winter, when the temperature is lower than 0 ℃, the exchange liquid is easy to freeze, and the heat exchanger unit connected with the heat exchanger adopts a heating unit, so that the temperature of the exchange liquid can be controlled to be higher than 10 ℃, the freezing is prevented, the exchange adsorption effect is ensured, and the national chemical tail gas emission standard is ensured.
Claims (5)
1. Absorption tower is administered to chemical industry tail gas, its characterized in that: the method comprises the following steps: the device comprises a tower body (1), wherein a waste gas inlet (2) is arranged on one side of the lower end of the tower body (1), a lower exchange adsorption layer (3) is arranged in the tower body (1) at the upper end of the waste gas inlet (2), a middle exchange adsorption layer (4) is arranged in the tower body (1) at the upper end of the lower exchange adsorption layer (3), an upper exchange adsorption layer (5) is arranged in the tower body (1) at the upper end of the middle exchange adsorption layer (4), a liquid absorption cotton layer (6) is arranged in the tower body (1) at the upper end of the upper exchange adsorption layer (5), an exhaust port (7) is arranged on the tower body (1) at the upper end of the liquid absorption cotton layer (6), an exchange liquid storage box (8) communicated with the tower body (1) is arranged in the tower body (1) at the lower end of the waste gas inlet (2), and a, one end of the heat exchanger (9) extends into the exchange liquid storage box (8), the other end of the heat exchanger (9) extends out of the exchange liquid storage box (8) and is connected with the heat exchanger unit (10), the other end of the exchange liquid storage box (8) is provided with a circulating pump (11), a liquid pumping port of the circulating pump (11) is communicated with the bottom of the exchange liquid storage box (8) through a liquid pumping pipe (12), a first spray pipe (13) is arranged in the tower body (1) between the middle exchange adsorption layer (4) and the upper exchange adsorption layer (5), a plurality of first spray heads (14) are uniformly arranged on the first spray pipe (13), a second spray pipe (15) is arranged in the tower body (1) between the upper exchange adsorption layer (5) and the liquid absorption cotton layer (6), a plurality of second spray heads (16) are uniformly arranged on the second spray pipe (15), one end of the first spray pipe (13) and one end of the second spray pipe (15) extend out of the tower body (1) to be connected with the liquid outlet pipe (17), and the liquid outlet pipe (17) is connected with a liquid outlet of the circulating pump (11).
2. The chemical tail gas treatment absorption tower according to claim 1, characterized in that: the lower exchange adsorption layer (3) is a wave baffle plate, the middle exchange adsorption layer (4) is a multi-surface ball adsorption packing layer, and the upper exchange adsorption layer (5) is a bead-shaped adsorption packing layer.
3. The chemical tail gas treatment absorption tower according to claim 2, characterized in that: a first observation window (18) is arranged on the tower body (1) between the middle exchange adsorption layer (4) and the upper exchange adsorption layer (5), a second observation window (19) is arranged on the tower body (1) between the upper exchange adsorption layer (5) and the liquid absorption cotton layer (6), and a third observation window (20) is arranged on the tower body (1) on one side of the liquid absorption cotton layer (6).
4. The chemical tail gas treatment absorption tower according to claim 3, characterized in that: the heat exchange unit (10) adopts a heating unit.
5. The chemical tail gas treatment absorption tower according to claim 3, characterized in that: the heat exchange unit (10) adopts a refrigerating unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921430184.XU CN210964510U (en) | 2019-08-30 | 2019-08-30 | Chemical tail gas treatment absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921430184.XU CN210964510U (en) | 2019-08-30 | 2019-08-30 | Chemical tail gas treatment absorption tower |
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| CN210964510U true CN210964510U (en) | 2020-07-10 |
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| CN201921430184.XU Active CN210964510U (en) | 2019-08-30 | 2019-08-30 | Chemical tail gas treatment absorption tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110433605A (en) * | 2019-08-30 | 2019-11-12 | 盐城明天和创环保节能科技有限公司 | Chemical industry tail gas administers absorption tower |
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- 2019-08-30 CN CN201921430184.XU patent/CN210964510U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110433605A (en) * | 2019-08-30 | 2019-11-12 | 盐城明天和创环保节能科技有限公司 | Chemical industry tail gas administers absorption tower |
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