CN220633556U - Retrieve kiln tail gas treatment facility - Google Patents
Retrieve kiln tail gas treatment facility Download PDFInfo
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- CN220633556U CN220633556U CN202320813957.2U CN202320813957U CN220633556U CN 220633556 U CN220633556 U CN 220633556U CN 202320813957 U CN202320813957 U CN 202320813957U CN 220633556 U CN220633556 U CN 220633556U
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- Prior art keywords
- spray
- inlet pipe
- air inlet
- gas treatment
- spray tower
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- 239000007921 spray Substances 0.000 claims abstract description 117
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000011084 recovery Methods 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000000889 atomisation Methods 0.000 claims description 7
- 238000004064 recycling Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 17
- 239000000428 dust Substances 0.000 abstract description 12
- 239000007789 gas Substances 0.000 description 82
- 238000004140 cleaning Methods 0.000 description 27
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model discloses recovery kiln tail gas treatment equipment which comprises a spray tower, a first air inlet pipe and a plurality of spray nozzles, wherein a spray cavity is formed in the spray tower, a first water drain hole is formed in the bottom end of the spray tower, a first air exhaust hole is formed in the top end of the spray tower, the first air inlet pipe is arranged in the middle of the bottom end of the spray tower, the first air inlet pipe extends upwards into the spray cavity, a first sealing plate is arranged at the top end of the first air inlet pipe, a plurality of groups of first through holes communicated with the spray cavity are formed in the outer side wall of the first air inlet pipe along the circumferential direction, and the spray nozzles are arranged on the inner side wall of the spray tower and are distributed along the circumferential direction of the spray tower. The recovery kiln tail gas treatment equipment has better effect of removing dust and harmful gas in tail gas and better effect of treating the tail gas.
Description
Technical Field
The utility model relates to tail gas treatment equipment, in particular to equipment for treating tail gas of a recovery kiln.
Background
After the recovery kiln carries out pyrolysis treatment on the old battery, a large amount of tail gas can be generated, and the tail gas is directly discharged to the outside and can severely pollute the environment. The existing tail gas treatment system mainly comprises an incinerator, a cooler, a dust collector, a spray tower, an activated carbon box, a chimney and the like which are connected in sequence, wherein the tail gas is subjected to incineration of organic gas through the incinerator, then dust is removed through the dust collector, the tail gas is subjected to cooling treatment through the cooler, then residual dust in the tail gas and harmful gas (such as hydrogen fluoride) which can be dissolved in water are removed through the spray tower, then other harmful gas is adsorbed through the activated carbon box, and finally the tail gas is discharged through the chimney.
Wherein, be equipped with spray mechanism in the spray column, spray mechanism sprays out the washing water, and when tail gas was in the spray column, residual dust in the washing water got rid of the tail gas, can dissolve the harmful gas of water in the adsorption tail gas simultaneously, but current spray column appears the insufficient condition of tail gas and washing water contact easily, and then gets rid of the dust in the tail gas and harmful gas's effect relatively poor.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the recovery kiln tail gas treatment equipment, which has better effect of removing dust and harmful gas in tail gas and better effect of treating the tail gas.
According to an embodiment of the utility model, the recovery kiln tail gas treatment device comprises:
the spray tower is provided with a spray cavity, the bottom end of the spray tower is provided with a first water discharge hole, and the top end of the spray tower is provided with a first air discharge hole;
the first air inlet pipe is arranged in the middle of the bottom end of the spray tower, extends upwards into the spray cavity, a first sealing plate is arranged at the top end of the first air inlet pipe, and a plurality of groups of first through holes communicated with the spray cavity are formed in the outer side wall of the first air inlet pipe along the circumferential direction;
the spray nozzles are arranged on the inner side wall of the spray tower and are distributed along the circumferential direction of the spray tower.
The recycling kiln tail gas treatment equipment provided by the embodiment of the utility model has at least the following beneficial effects:
the tail gas enters into the spray cavity of the spray tower through the first air inlet pipe, the spray nozzle sprays cleaning water, residual dust in the tail gas can be removed through the cleaning water, meanwhile, harmful gas which can be dissolved in water in the tail gas can be adsorbed, the treated tail gas is discharged through the first exhaust hole, and the used cleaning water is discharged through the first drain hole. In the utility model, as the first air inlet pipe is positioned in the middle of the bottom end of the spray tower, the outer side wall of the first air inlet pipe is provided with a plurality of groups of first through holes for the tail gas to pass through along the circumferential direction, so that the tail gas can move outwards along a plurality of directions from the middle of the bottom end of the spray cavity, and upwards drifts to other areas of the spray cavity, thereby enabling the tail gas to rapidly and uniformly spread over the whole spray cavity, the plurality of spray nozzles are arranged on the inner side wall of the spray tower and are circumferentially arranged along the spray tower, so that the cleaning water can be sprayed inwards along a plurality of directions on the circumferential side of the spray cavity, and in the spraying process, the cleaning water falls downwards to each area of the bottom end of the spray cavity, thereby enabling the cleaning water to be rapidly and uniformly distributed in the spray cavity.
According to some embodiments of the utility model, the spray direction of the spray head is inclined upwards in a direction approaching the spray tower centerline.
According to some embodiments of the utility model, each of the first through holes is higher than the first drain hole.
According to some embodiments of the utility model, the top surface of the first sealing plate is provided as an upwardly protruding arc surface.
According to some embodiments of the utility model, the bottom surface of the spray cavity extends obliquely downwards along a direction away from the first air inlet pipe, and the first water drain hole is formed in the bottom end of the side wall of the spray tower.
According to some embodiments of the utility model, the top surface of the spray tower is vertically provided with a plurality of air dissolving cylinders, the bottom end of each air dissolving cylinder is provided with a second drain hole, the top end of each air dissolving cylinder is provided with a second exhaust hole, a second air inlet pipe connected with the first exhaust hole is arranged in each air dissolving cylinder, and the top end in each air dissolving cylinder is provided with an atomization nozzle.
According to some embodiments of the utility model, the spray direction of the atomizer is downward.
According to some embodiments of the utility model, a second sealing plate is arranged at the top end of the second air inlet pipe, and a plurality of groups of second through holes are arranged on the outer side wall of the second air inlet pipe along the circumferential direction.
According to some embodiments of the utility model, each of the second through holes is higher than the second drain hole.
According to some embodiments of the utility model, the upper end surface of the second sealing plate is an upwardly protruding arc surface.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a partial cross-sectional view of the present utility model;
fig. 3 is an enlarged view at a in fig. 2.
Reference numerals:
a spray tower 100; a spray chamber 101; a first drain hole 102; a first exhaust hole 103;
a first intake pipe 200; a first seal plate 201; a first through hole 202;
a shower head 300;
a cartridge 400; a second drain hole 401; a second exhaust hole 402; a second intake pipe 403; an atomizer 404; a second seal plate 405; and a second through hole 406.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, plural means two or more. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
A recovery kiln exhaust gas treatment apparatus according to an embodiment of the present utility model is described below with reference to fig. 1 to 3.
As shown in fig. 1 and 2, the recovery kiln exhaust gas treatment apparatus according to an embodiment of the present utility model includes:
the spray tower 100 is provided with a spray cavity 101, the bottom end of the spray tower 100 is provided with a first water discharge hole 102, and the top end of the spray tower 100 is provided with a first air discharge hole 103;
the first air inlet pipe 200 is arranged in the middle of the bottom end of the spray tower 100, the first air inlet pipe 200 extends upwards into the spray cavity 101, a first sealing plate 201 is arranged at the top end of the first air inlet pipe 200, and a plurality of groups of first through holes 202 communicated with the spray cavity 101 are formed in the outer side wall of the first air inlet pipe 200 along the circumferential direction;
the spray nozzles 300 are provided on the inner side wall of the spray tower 100 and are arranged along the circumferential direction of the spray tower 100.
In the utility model, tail gas enters the spray cavity 101 of the spray tower 100 through the first air inlet pipe 200, the spray nozzle 300 sprays cleaning water, the cleaning water can remove residual dust in the tail gas, meanwhile, harmful gas which can be dissolved in water in the tail gas can be adsorbed, the treated tail gas is discharged through the first air outlet hole 103, and the used cleaning water is discharged through the first water outlet hole 102. In the utility model, since the first air inlet pipe 200 is located in the middle of the bottom end of the spray tower 100, the outer side wall of the first air inlet pipe 200 is provided with a plurality of groups of first through holes 202 through which the tail gas passes along the circumferential direction, so that the tail gas can move outwards along a plurality of directions from the middle of the bottom end of the spray cavity 101 and upwards drift to other areas of the spray cavity 101, the tail gas can be quickly and uniformly distributed in the whole spray cavity 101, the plurality of spray nozzles 300 are arranged on the inner side wall of the spray tower 100 and are distributed along the circumferential direction of the spray tower 100, the cleaning water can be sprayed inwards along a plurality of directions on the circumferential side of the spray cavity 101, and the cleaning water falls downwards to each area of the bottom end of the spray cavity 101 in the spraying process, so that the cleaning water can be quickly and uniformly distributed in the spray cavity 101, and the tail gas can be more comprehensively and uniformly mixed, in addition, the main moving path of the tail gas is outwards upwards, the main moving path of the tail gas is inwards, the tail gas can just contact with the cleaning water in the moving process, and the cleaning water can be more uniformly mixed with the tail gas, and dust in the tail gas can be removed more uniformly and better.
The entire contour of the spray tower 100 may be cylindrical or rectangular. The first drain hole 102 and the first drain hole 103 are both communicated with the spray chamber 101. The first air inlet pipe 200 may be vertically disposed or slightly inclined with respect to the vertical direction, and the first through hole 202 is located in the spray chamber 101 to communicate with the spray chamber 101. The first sealing plate 201 is provided to prevent the cleaning water from being directly discharged from the first air inlet pipe 200 to reduce the cleaning effect, and simultaneously prevent the cleaning water from entering the first air inlet pipe 200 to reduce the air inlet effect of the first air inlet pipe 200, and simultaneously enable the tail gas to enter the spray cavity 101 only from the peripheral side of the first air inlet pipe 200, so as to improve the spreading effect of the tail gas. Each of the plurality of sets of first through holes 202 may include one or more first through holes 202, and when one set of first through holes 202 includes a plurality of first through holes 202, the plurality of first through holes 202 of the same set may be arranged in the axial direction of the first intake pipe 200.
In some embodiments of the present utility model, as shown in FIG. 2, the spray direction of spray head 300 is inclined upward in a direction toward the centerline of spray tower 100. Compared with the spray direction of the spray nozzle 300 facing downwards, in this embodiment, the spray range of the sprayed cleaning water is larger, the moving path of the cleaning water is wider, and the moving time is longer, so that the contact range, the contact time and the contact probability of the tail gas are longer, and the effect of treating the tail gas is better.
In some embodiments of the present utility model, as shown in fig. 2, each of the first through holes 202 is higher than the first drain hole 102. By this arrangement, the reduction of the air intake effect of the first air intake pipe 200 caused by the used washing water entering the first air intake pipe 200 through the first through hole 202 can be avoided.
In some embodiments of the present utility model, as shown in fig. 2, the top surface of the first sealing plate 201 is configured as an upwardly protruding arc surface. In this embodiment, the cleaning water is prevented from accumulating on the top end of the first air inlet pipe 200, so that the used cleaning water can be more rapidly discharged, and dirt generated due to long-term accumulation of the cleaning water on the top end of the first air inlet pipe 200 can be avoided.
In some embodiments of the present utility model, as shown in fig. 2, the bottom surface of the spray chamber 101 extends obliquely downward in a direction away from the first air inlet pipe 200, and the first drain hole 102 is provided at the bottom end of the side wall of the spray tower 100. In this embodiment, the arrangement is such that the water on the bottom surface of the spray cavity 101 can quickly flow to the edge of the bottom surface of the spray cavity 101, and the first drain hole 102 is disposed at the bottom end of the side wall of the spray tower 100, that is, the edge of the bottom surface of the spray cavity 101, so that the cleaning water can be discharged more quickly.
In some embodiments of the present utility model, as shown in fig. 2 and 3, the top surface of the spray tower 100 is vertically provided with a plurality of gas cartridges 400, the bottom end of the gas cartridges 400 is provided with a second drain hole 401, the top end of the gas cartridges 400 is provided with a second exhaust hole 402, the gas cartridges 400 are provided with a second gas inlet pipe 403 connected with the first exhaust hole 103, and the top end of the gas cartridges 400 is provided with an atomizer 404. After the tail gas is primarily cleaned by the cleaning water sprayed from the spray nozzle 300, a part of harmful gas which can be dissolved with water, such as hydrogen fluoride, may exist, so that the tail gas is not treated by water dissolution. In this embodiment, a plurality of air dissolving cylinders 400 are provided, tail gas enters into the air dissolving cylinders 400 through a plurality of second air inlet pipes 403, atomized water sprayed by an atomization spray nozzle 404 can be dissolved with residual harmful gas, atomized water is more uniformly distributed, the moving speed is slower, the contact with the harmful gas is more sufficient, the effect of tail gas treatment is better, the treated tail gas is discharged through a second air outlet hole 402 to carry out subsequent treatment, and the used atomized water is discharged through a second water outlet hole 401 after being condensed.
It should be noted that, the cleaning water sprayed from the spray nozzle 300 needs to rapidly process the exhaust gas, and also needs to process dust in the exhaust gas, so a common spray nozzle is generally selected. The cleaning water sprayed by the atomization nozzle 404 only needs to treat a small amount of residual harmful gases in the tail gas, and the solution cylinder 400 is provided with a plurality of solution cylinders, so that the treatment efficiency is high, and the cleaning water can be atomized water so as to remove the harmful gases more thoroughly. The atomization effect of the atomization nozzle 404 can be set according to practical situations, so that the atomization transition is avoided while the effect of treating the harmful gas is better, so that most of atomized water does not move downwards, but moves upwards along with the tail gas and is directly discharged from the second exhaust hole 402.
In some embodiments of the utility model, as shown in FIG. 2, the spray direction of the atomizer 404 is downward. And then the atomized water that atomizer 404 sprayed out can directly remove downwards, avoid atomized water to directly fly upwards and follow the discharge of second exhaust hole 402 because of light in weight to can avoid the waste of atomized water, and the effect of processing tail gas is better. The spraying direction of the atomizer 404 may be vertically downward or may be inclined downward with respect to the vertical direction.
In some embodiments of the present utility model, as shown in fig. 3, a second sealing plate 405 is disposed at a top end of the second air inlet pipe 403, and a plurality of groups of second through holes 406 are disposed on an outer sidewall of the second air inlet pipe 403 along a circumferential direction. And then tail gas can outwards remove from a plurality of positions of second intake pipe 403 week side, drift up to other regions of dissolving the inflator 400 when outwards removing to make tail gas can be fast and evenly distribute in the whole dissolving inflator 400, thereby make atomizing water can be more abundant with the harmful gas in the tail gas mutually soluble, the effect of handling tail gas is better. And the top of second intake pipe 403 is equipped with second shrouding 405, and the tail gas is discharged from the lateral wall of second intake pipe 403, can avoid the atomized water after the condensation directly to get into second intake pipe 403 and lead to the air intake effect of second intake pipe 403 to reduce.
In some embodiments of the present utility model, as shown in fig. 3, each of the second through holes 406 is higher than the second drain hole 401. In this embodiment, by adopting such a configuration, atomized water after condensation can be prevented from directly entering the second through hole 406, and then entering the second air inlet pipe 403, so that the air inlet effect of the second air inlet pipe 403 is reduced.
In some embodiments of the present utility model, as shown in fig. 3, the upper end surfaces of the second sealing plates 405 are all arc surfaces protruding upward. In this embodiment, the setting can avoid the atomized water that condenses from accumulating on the top end of the second air inlet pipe 403, and thus not only can the atomized water after use be more rapidly discharged, but also can avoid the atomized water accumulating on the top end of the second air inlet pipe 403 for a long time to generate dirt.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (10)
1. A recovery kiln tail gas treatment plant comprising:
the spray tower is provided with a spray cavity, the bottom end of the spray tower is provided with a first water discharge hole, and the top end of the spray tower is provided with a first air discharge hole;
the first air inlet pipe is arranged in the middle of the bottom end of the spray tower, extends upwards into the spray cavity, a first sealing plate is arranged at the top end of the first air inlet pipe, and a plurality of groups of first through holes communicated with the spray cavity are formed in the outer side wall of the first air inlet pipe along the circumferential direction;
the spray nozzles are arranged on the inner side wall of the spray tower and are distributed along the circumferential direction of the spray tower.
2. The recovery kiln exhaust gas treatment device according to claim 1, wherein the spray direction of the spray nozzle is inclined upward in a direction approaching the center line of the spray tower.
3. The recovery kiln exhaust gas treatment device of claim 1, wherein each of the first through holes is higher than the first drain hole.
4. The recovery kiln exhaust gas treatment apparatus of claim 1, wherein the top surface of the first sealing plate is configured as an upwardly protruding arcuate surface.
5. The recovery kiln exhaust gas treatment device of claim 1, wherein the bottom surface of the spray chamber extends obliquely downward in a direction away from the first air inlet pipe, and the first drain hole is provided at the bottom end of the side wall of the spray tower.
6. The recovery kiln exhaust gas treatment device according to any one of claims 1 to 5, wherein a plurality of air dissolving cylinders are vertically arranged on the top surface of the spray tower, second drain holes are formed in the bottom ends of the air dissolving cylinders, second exhaust holes are formed in the top ends of the air dissolving cylinders, a second air inlet pipe connected with the first exhaust holes is arranged in the air dissolving cylinders, and an atomization nozzle is arranged at the top ends of the air dissolving cylinders.
7. The recovery kiln exhaust gas treatment device of claim 6, wherein the spray direction of the atomizer is downward.
8. The recycling kiln tail gas treatment device according to claim 6, wherein a second sealing plate is arranged at the top end of the second air inlet pipe, and a plurality of groups of second through holes are formed in the outer side wall of the second air inlet pipe along the circumferential direction.
9. The recovery kiln exhaust gas treatment apparatus of claim 8, wherein each of the second through holes is higher than the second drain hole.
10. The recovery kiln exhaust gas treatment apparatus according to claim 8, wherein an upper end face of the second sealing plate is provided as an upwardly protruding arc face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320813957.2U CN220633556U (en) | 2023-04-11 | 2023-04-11 | Retrieve kiln tail gas treatment facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320813957.2U CN220633556U (en) | 2023-04-11 | 2023-04-11 | Retrieve kiln tail gas treatment facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220633556U true CN220633556U (en) | 2024-03-22 |
Family
ID=90294651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320813957.2U Active CN220633556U (en) | 2023-04-11 | 2023-04-11 | Retrieve kiln tail gas treatment facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220633556U (en) |
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2023
- 2023-04-11 CN CN202320813957.2U patent/CN220633556U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240322 Address after: 337000, No. A-2-4, South Section of Anyuan Industrial Park, Anyuan District, Pingxiang City, Jiangxi Province Patentee after: Jiangxi Sentuo Intelligent Equipment Co.,Ltd. Country or region after: China Address before: Room 1905, Building A1, Media Art Park, 601 Dongfanghong North Road, High tech Development Zone, Changsha City, Hunan Province, 410003 Patentee before: HUNAN SENTUO THERMAL TECHNOLOGY Co.,Ltd. Country or region before: China |