CN219744339U - Tail gas emission mechanism and extraction tower - Google Patents
Tail gas emission mechanism and extraction tower Download PDFInfo
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- CN219744339U CN219744339U CN202320930284.9U CN202320930284U CN219744339U CN 219744339 U CN219744339 U CN 219744339U CN 202320930284 U CN202320930284 U CN 202320930284U CN 219744339 U CN219744339 U CN 219744339U
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- cover
- cavity
- tail gas
- absorption
- circulation
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- 238000000605 extraction Methods 0.000 title claims abstract description 10
- 238000010521 absorption reaction Methods 0.000 claims abstract description 48
- 238000001179 sorption measurement Methods 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 claims description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 11
- 231100000719 pollutant Toxicity 0.000 abstract description 11
- 239000007789 gas Substances 0.000 description 54
- 239000007788 liquid Substances 0.000 description 6
- 230000008676 import Effects 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a tail gas emission mechanism and an extraction tower, which comprises an absorption cover, wherein a circulating cover is arranged in the absorption cover, a first spiral adsorption plate is fixedly arranged between the absorption cover and the circulating cover, and a second spiral adsorption plate is fixedly arranged in the circulating cover, wherein the first spiral adsorption plate is arranged in the absorption cover, and the second spiral adsorption plate is arranged in the circulating cover, and the first spiral adsorption plate is arranged in the circulating cover, and the second spiral adsorption plate is arranged in the circulating cover. A cavity is formed between the first spiral adsorption plates, a cavity is formed between the second spiral adsorption plates, and a plurality of first guide covers and second guide covers which are arranged in a staggered mode are fixedly arranged on the circulation cover. According to the tail gas emission mechanism, the tail gas is adsorbed and reprocessed under the action of the first spiral adsorption plates and the second spiral adsorption plates which are arranged in a staggered manner; and part of tail gas flowing in the inlet cavity and the outlet cavity respectively flows to the convection cavity through the first guide cover and the second guide cover, so that the two parts of tail gas impact and flow to the guide cavity, atomized water vapor flowing in the guide cavity adsorbs, collects and discharges pollutants in the tail gas, and the efficient treatment of the tail gas is realized.
Description
Technical Field
The utility model relates to the technical field of tail gas treatment equipment, in particular to a tail gas emission mechanism and an extraction tower.
Background
In the chemical industry, the tail gas with pollution is usually discharged, and the tail gas is usually required to be absorbed and discharged through a tail gas absorption tower, so as to reduce the pollution of the tail gas discharged into the air.
According to publication (bulletin) No.: CN110433605a, publication (date): 2019-11-12, discloses a chemical tail gas treatment absorption tower, comprising: the tower body be provided with the waste gas import in lower extreme one side of tower body be provided with down exchange adsorption layer in the tower body of waste gas import upper end be provided with the middle part exchange adsorption layer in the tower body of lower exchange adsorption layer upper end be provided with the exchange adsorption layer in the tower body of middle part exchange adsorption layer upper end be provided with the liquid absorption cotton layer in the tower body of going up exchange adsorption layer upper end be provided with the gas vent on the tower body of liquid absorption cotton layer upper end be provided with the exchange liquid storage box that is linked together with the tower body in the tower body of waste gas import lower extreme the one end of exchange liquid storage box is provided with the heat exchanger, the one end of heat exchanger stretches into in the exchange liquid storage box, the other end of heat exchanger stretches out the exchange liquid storage box and is connected with the heat exchanger unit.
In the prior art including the above patent, when the absorption tower fails, there is some pollutant residue in the absorption tower after the tail gas is absorbed, and the pollutant residue is still discharged into the air, so that the pollutant is polluted to the air.
Disclosure of Invention
The utility model aims to provide a tail gas emission mechanism and an extraction tower, which solve the problem that residual pollutants exist in gas discharged into air by an absorption tower when the absorption tower fails.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a tail gas emission mechanism, includes the absorption cover, the internal circulation cover that has arranged of absorption cover, fixed mounting has first spiral adsorption plate between absorption cover and the circulation cover, fixed mounting has the second spiral adsorption plate in the circulation cover, wherein:
a cavity is formed between the first spiral adsorption plates, and a cavity is formed between the second spiral adsorption plates;
the circulating cover is fixedly provided with a plurality of first guide covers and second guide covers which are arranged in a staggered mode, and the first guide covers are matched with the second guide covers to form a convection cavity;
and the circulation cover is provided with a diversion cavity, and the convection cavity is matched with the diversion cavity.
Preferably, the convection cavity is respectively communicated with the inlet cavity and the outlet cavity, and the circulation cover is provided with a plurality of symmetrically arranged vent holes, wherein:
the vent holes are respectively communicated with the convection cavity and the diversion cavity.
Preferably, the pitch of the first spiral adsorption plate is specifically five centimeters, and an included angle between the side edge of the vent hole and the side wall of the circulation cover is specifically 30 degrees.
Preferably, a water storage tank is fixedly arranged on the absorption cover, and the water storage tank is matched with the diversion cavity.
Preferably, a bracket is fixedly arranged between the absorption cover and the circulation cover.
Preferably, the circulating cover is communicated with a symmetrically arranged drain pipe.
Preferably, the absorption cover is fixedly sleeved with a butt flange.
Preferably, the first spiral adsorption plate is specifically an activated carbon plate.
An extraction tower comprises the tail gas discharge mechanism in the scheme.
In the technical scheme, the tail gas emission mechanism and the extraction tower provided by the utility model have the following beneficial effects: the exhaust gas enters from the absorption cover and is absorbed under the action of the first spiral absorption plate, meanwhile, the primarily treated exhaust gas flows upwards and enters into the circulation cover and is absorbed under the action of the second spiral absorption plate, so that the discharged exhaust gas is reprocessed; and part of tail gas flowing in the inlet cavity flows to the convection cavity under the action of the first guide cover, and part of tail gas flowing in the outlet cavity flows to the convection cavity under the action of the second guide cover, so that the two parts of tail gas impact and flow to the guide cavity, atomized water vapor flowing in the guide cavity is used for absorbing, collecting and discharging pollutants in the tail gas, high-efficiency treatment of the tail gas is realized, and pollutant residues in the tail gas are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic view of an absorbent cover according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a cross-sectional front view of an absorbent cover according to an embodiment of the present utility model;
fig. 3 is an enlarged schematic structural diagram of a according to an embodiment of the present utility model.
Reference numerals illustrate:
1. an absorption cover; 11. a butt flange; 12. a water storage tank; 21. a circulation cover; 211. a bracket; 22. feeding a cavity; 221. a first spiral adsorption plate; 222. a first guide cover; 23. discharging the cavity; 231. a second spiral adsorption plate; 232. a second guide cover; 24. a convection chamber; 25. a diversion cavity; 251. a vent hole; 26. and a blow-down pipe.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, an exhaust emission mechanism includes an absorption cover 1, a circulation cover 21 is disposed in the absorption cover 1, a first spiral adsorption plate 221 is fixedly installed between the absorption cover 1 and the circulation cover 21, and a second spiral adsorption plate 231 is fixedly installed in the circulation cover 21, wherein:
an inlet chamber 22 is formed between the first spiral adsorption plates 221, and an outlet chamber 23 is formed between the second spiral adsorption plates 231;
the circulating cover 21 is fixedly provided with a plurality of first guide covers 222 and second guide covers 232 which are arranged in a staggered manner, and the first guide covers 222 are matched with the second guide covers 232 to form a convection cavity 24;
the circulation cover 21 is provided with a diversion cavity 25, and the diversion cavity 24 is matched with the diversion cavity 25.
Specifically, as shown in fig. 1, 2 and 3, the cross sections of the absorption cover 1 and the circulation cover 21 are each in a table shape, and the openings of the absorption cover 1 and the circulation cover 21 are kept facing each other. The exhaust gas enters from the absorption cover 1 and is absorbed under the action of the first spiral absorption plate 221, meanwhile, the primarily treated exhaust gas flows upwards and enters into the circulation cover 21 and is absorbed under the action of the second spiral absorption plate 231, so that the discharged exhaust gas is reprocessed; and part of the tail gas flowing in the inlet cavity 22 flows to the convection cavity 24 under the action of the first guide cover 222, and part of the tail gas flowing in the outlet cavity 23 flows to the convection cavity 24 under the action of the second guide cover 232, so that the two parts of tail gas impact and flow to the diversion cavity 25, and atomized water vapor flowing in the diversion cavity 25 adsorbs, collects and discharges pollutants in the tail gas, thereby realizing efficient treatment of the tail gas and reducing pollutant residues in the tail gas.
As an embodiment of the present utility model, the convection chamber 24 is respectively connected to the inlet chamber 22 and the outlet chamber 23, and the circulation cover 21 is provided with a plurality of symmetrically arranged ventilation holes 251, wherein:
the vent 251 communicates with the convection chamber 24 and the diversion chamber 25, respectively.
Specifically, as shown in fig. 2 and fig. 3, the exhaust gas in the inlet cavity 22 and the outlet cavity 23 flows to the two convection cavities 24 arranged in a staggered manner, so that the exhaust gas is convected and impacted by the staggered convection cavities 24, and meanwhile, the exhaust gas impacted by the convection cavities 24 can enter the diversion cavity 25 through the vent holes 251, and atomized water vapor in the diversion cavity 25 adsorbs the exhaust gas.
As a further embodiment of the present utility model, the pitch of the first spiral adsorption plate 221 is specifically five cm, and the included angle between the side edge of the vent hole 251 and the side wall of the circulation casing 21 is specifically 30 °.
Specifically, as shown in fig. 2 and fig. 3, by the pitch of the first spiral adsorption plate 221, the exhaust gas in the absorption cover 1 and the first spiral adsorption plate 221 have a larger adsorption contact surface, and meanwhile, the exhaust gas can be separated and treated under the action of the multiple inlet cavities 22, so that the exhaust gas treatment efficiency is increased; when the atomized water in the diversion cavity 25 condenses into water drops and is accumulated on the side wall of the diversion cavity 25, backflow is not easy to occur under the action of the obliquely arranged vent holes 251 and the atomized water enters the inlet cavity 22 and the outlet cavity 23.
As another embodiment of the present utility model, the water storage tank 12 is fixedly installed on the absorption cover 1, and the water storage tank 12 is matched with the diversion cavity 25.
Specifically, as shown in fig. 1 and 2, a water inlet pipe is fixedly installed on the water storage tank 12, and a water pump is fixedly installed in the water storage tank 12 and is powered by a 220V direct-plug power supply, so that water in the water storage tank 12 is pumped by the water pump to flow to the atomizing nozzle in the diversion cavity 25 through a hose. The water in the water storage tank 12 can be atomized under the action of the atomizing nozzle, so that atomized water vapor flows to the diversion cavity 25 and is mixed with tail gas.
As still another embodiment further provided in the present utility model, a bracket 211 is fixedly installed between the suction hood 1 and the circulation hood 21.
Specifically, as shown in fig. 2, a gap exists between the brackets 211. The exhaust gas in the absorption cover 1 can flow into the circulation cover 21 more conveniently through the gaps by the gaps between the brackets 211.
As still another embodiment provided further in the present utility model, the circulation cap 21 is provided with a drain pipe 26 disposed symmetrically in communication therewith.
Specifically, as shown in fig. 1 and 2, the drain 26 penetrates through the absorption cover 1, and the end of the diversion cavity 25 is communicated with the bottom of the circulation cover 21, so that the mixture of water vapor and tail gas in the diversion cavity 25 flows to the bearing space at the bottom of the circulation cover 21. Dirt collected in the circulation housing 21 can be rapidly discharged through the drain pipe 26.
As a further embodiment of the present utility model, the absorption cover 1 is fixedly sleeved with a butt flange 11.
Specifically, as shown in fig. 1, the absorption cover 1 can be conveniently mounted on the top of the absorption tower by the butt flange 11.
As still another embodiment further provided by the present utility model, the first spiral adsorption plate 221 is embodied as an activated carbon plate.
The first spiral adsorption plate 221 of the activated carbon plate is used for efficiently absorbing dirt in the tail gas, and the second spiral adsorption plate 231 is also an activated carbon plate.
The extraction tower comprises the tail gas emission mechanism, so that the extraction tower provided by the utility model also has the effects described above, and the details are not repeated.
Working principle: the absorption hood 1 is arranged at the top of the absorption tower under the action of the butt flange 11, and the tail gas enters from the absorption hood 1 and is absorbed under the action of the first spiral absorption plate 221, meanwhile, the primarily treated tail gas flows upwards and enters the circulation hood 21, and is absorbed under the action of the second spiral absorption plate 231, so that the discharged tail gas is reprocessed; and part of the tail gas flowing in the inlet cavity 22 flows to the convection cavity 24 under the action of the first guide cover 222, and part of the tail gas flowing in the outlet cavity 23 flows to the convection cavity 24 under the action of the second guide cover 232, so that the two parts of tail gas impact and flow to the guide cavity 25 through the obliquely arranged vent holes 251, and the atomized water vapor flowing in the guide cavity 25 adsorbs and collects pollutants in the tail gas and is discharged through the drain pipe 26, thereby realizing the efficient treatment of the tail gas and reducing the pollutant residues in the tail gas.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (9)
1. The utility model provides a tail gas emission mechanism, its characterized in that, including absorption cover (1), arrange circulation cover (21) in absorption cover (1) are internal, fixed mounting has first spiral adsorption plate (221) between absorption cover (1) and circulation cover (21), fixed mounting has second spiral adsorption plate (231) in circulation cover (21), wherein:
a cavity (22) is formed between the first spiral adsorption plates (221), and a cavity (23) is formed between the second spiral adsorption plates (231);
a plurality of first guide covers (222) and second guide covers (232) which are arranged in a staggered mode are fixedly arranged on the circulating cover (21), and the first guide covers (222) are matched with the second guide covers (232) to form a convection cavity (24);
a diversion cavity (25) is formed in the circulation cover (21), and the convection cavity (24) is matched with the diversion cavity (25).
2. The exhaust emission mechanism according to claim 1, wherein the convection chamber (24) is respectively connected to the inlet chamber (22) and the outlet chamber (23), and the circulation cover (21) is provided with a plurality of symmetrically arranged ventilation holes (251), wherein:
the vent holes (251) are respectively communicated with the convection cavity (24) and the diversion cavity (25).
3. An exhaust emission means according to claim 2, wherein the pitch of the first spiral adsorption plate (221) is in particular five cm, and the angle between the side edge of the vent hole (251) and the side wall of the circulation cap (21) is in particular 30 °.
4. An exhaust emission mechanism according to claim 1, characterized in that the absorption cover (1) is fixedly provided with a water storage tank (12), and the water storage tank (12) is matched with the diversion cavity (25).
5. An exhaust emission mechanism according to claim 1, characterized in that a bracket (211) is fixedly mounted between the absorption hood (1) and the circulation hood (21).
6. An exhaust emission mechanism according to claim 1, characterized in that the circulation hood (21) is provided with symmetrically arranged blow-down pipes (26) in communication.
7. An exhaust emission mechanism according to claim 1, characterized in that the absorption hood (1) is fixedly sleeved with a butt flange (11).
8. An exhaust gas emission means according to claim 1, characterized in that the first spiral adsorption plate (221) is embodied as an activated carbon plate.
9. An extraction column comprising the off-gas discharge mechanism of any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320930284.9U CN219744339U (en) | 2023-04-23 | 2023-04-23 | Tail gas emission mechanism and extraction tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320930284.9U CN219744339U (en) | 2023-04-23 | 2023-04-23 | Tail gas emission mechanism and extraction tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219744339U true CN219744339U (en) | 2023-09-26 |
Family
ID=88091054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320930284.9U Active CN219744339U (en) | 2023-04-23 | 2023-04-23 | Tail gas emission mechanism and extraction tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219744339U (en) |
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2023
- 2023-04-23 CN CN202320930284.9U patent/CN219744339U/en active Active
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