CN220294365U - Boiler tail gas dust remover - Google Patents
Boiler tail gas dust remover Download PDFInfo
- Publication number
- CN220294365U CN220294365U CN202322196283.9U CN202322196283U CN220294365U CN 220294365 U CN220294365 U CN 220294365U CN 202322196283 U CN202322196283 U CN 202322196283U CN 220294365 U CN220294365 U CN 220294365U
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- CN
- China
- Prior art keywords
- spray tower
- tail gas
- spray
- dust remover
- gas dust
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- 239000000428 dust Substances 0.000 title claims abstract description 67
- 239000007921 spray Substances 0.000 claims abstract description 123
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 230000000694 effects Effects 0.000 abstract description 18
- 238000005507 spraying Methods 0.000 description 8
- 239000003595 mist Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
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- Separation Of Particles Using Liquids (AREA)
Abstract
The utility model discloses a boiler tail gas dust remover which comprises a spray tower, wherein a spiral guide ring is arranged on the inner wall of the spray tower, an annular inner edge is radially and inwards extended on the inner wall of the spray tower along the circumferential direction of the inner wall of the spray tower, the annular inner edge is positioned above the spiral guide ring, and a plurality of tooth grooves are longitudinally formed in the inner wall of the annular inner edge. According to the boiler tail gas dust remover disclosed by the utility model, the tail gas in the spray tower forms a spiral air flow under the flow guidance of the spiral guide ring through the arrangement of the spiral guide ring, and meanwhile, under the flow guidance effect of the annular inner edge and the tooth grooves on the annular inner edge, the water flow on the inner wall of the spray tower can form a water curtain, so that after water passing through the water curtain, the spiral air flow can pass through the water curtain, and continuously contacts with the water curtain inside and outside the water curtain or passes through the water curtain, so that the tail gas dust removing effect is greatly improved.
Description
Technical Field
The utility model relates to the technical field of tail gas treatment equipment, in particular to a boiler tail gas dust remover.
Background
The boiler is used as one of the common equipment in industrial production, the exhaust gas discharged by the boiler contains a large amount of dust, and the direct discharge can cause environmental pollution, so that the exhaust gas needs to be dedusted before the discharge. The existing boiler tail gas is mostly dedusted by water mist, specifically, a spraying device is arranged on a boiler tail gas discharge path, and dust in the tail gas is removed by the water mist sprayed by the spraying device. In the water mist dust removal mode, the water resource requirement is high, and the water resource waste is serious; and the dust removal effect is limited and needs to be further improved.
Disclosure of Invention
The utility model aims to provide a boiler tail gas dust remover.
The technical scheme for realizing the aim of the utility model is as follows: the utility model provides a boiler tail gas dust remover, includes the spray column, be equipped with the air inlet on the bottom lateral wall of spray column, the top of spray column is equipped with the gas outlet, be equipped with the spray thrower in the spray column, still be equipped with the delivery port on the bottom lateral wall of spray column, the position of delivery port is less than the position of air inlet, spiral water conservancy diversion circle has been seted up on the inner wall of spray column, along its circumference radial internal extension on the inner wall of spray column has annular inner edge, annular inner edge is located spiral water conservancy diversion circle's top, a plurality of tooth's sockets have been vertically seted up on the inner wall along in the annular, a plurality of tooth's sockets are followed the circumference evenly distributed along in the annular.
Further, the spiral guide ring is positioned at the lower part of the spray tower. The spiral guide ring is positioned at the lower part of the spray tower, so that the air flow entering the spray tower is guided into rotary air flow at the lower part of the spray tower, the fluidity of the rotary air flow is good, the contact surface with the sprayed shower is large, and the dust removal effect is better.
Further, the annular inner edge is positioned at the lower part of the spray tower. After the spray water on the inner wall of the spray tower flows to the lower part of the spray tower, a water curtain is formed under the action of the annular inner edge, the rotary air flow formed after passing through the spiral guide ring passes through the water curtain at the middle lower part of the spray tower and is fully mixed with spray water, so that dust is effectively removed, that is, the air flow which enters the spray tower soon and has large dust content can be fully mixed with the water curtain at the lower part of the spray tower, and the dust removal efficiency is high.
Further, a manhole is arranged on the side wall of the spray tower. The manhole is arranged, so that access of an maintainer is facilitated, and overhaul is facilitated.
Further, the sprayers in the spray tower are provided with a plurality of groups, and the plurality of groups of sprayers are distributed at intervals in the height direction of the spray tower. The sprayers are distributed on the air path, and the air flows passing through the sprayers in sequence obtain spraying of a plurality of different degrees, so that the spraying and dedusting effects are better compared with single spraying of a single degree.
Further, the air inlet of the spray tower is in communication with a boiler. When the boiler works, tail gas of the boiler enters the spray tower through the air inlet.
Further, the air outlet of the spray tower is sequentially communicated with an induced draft fan and an exhaust pipe. The induced draft fan provides power for the airflow; when the exhaust gas dust-removing device works, the tail gas after dust removal by the spray tower is discharged from the gas outlet and then passes through the induced draft fan until being discharged from the exhaust pipe.
Further, the number of the spray towers is more than two, the spray towers are distributed on the same air path, and in the two adjacent spray towers on the same air path, the air outlet of the front spray tower is communicated with the air inlet of the rear spray tower. More than two spray towers carry out dust removal for multiple times to tail gas, and the dust removal effect is good.
According to the boiler tail gas dust remover, through the arrangement of the spiral guide ring, tail gas in the spray tower forms spiral air flow under the guide of the spiral guide ring; on one hand, the spiral airflow can increase the fluidity of the gas, so that the tail gas is fully contacted with the spray water; on the other hand, the spiral airflow can prolong the flow path of the airflow, so that the contact time of the tail gas and the spray water, namely the dust removal time, is prolonged, and the dust removal effect can be greatly improved. In addition, the tail gas dust remover for the boiler also enables the water flow on the inner wall of the spray tower to form a water curtain under the diversion effect of the annular inner edge and the tooth grooves on the annular inner edge, after water penetration is formed, the spiral air flow formed by the diversion of the spiral diversion ring below the annular inner edge can pass through the water curtain, and continuously contacts with the water curtain inside and outside the water curtain or passes through the water curtain, so that the tail gas dust removing effect is greatly improved, meanwhile, the water flow on the inner wall of the spray tower can be used for removing dust without directly flowing out along the inner wall, waste is caused, the water flow utilization rate is high, and the dust removing effect is good.
Drawings
FIG. 1 is a schematic diagram of a front perspective structure of a boiler tail gas dust remover of the present utility model;
FIG. 2 is a schematic top view of the spray tower of the boiler tail gas dust collector of the present utility model;
fig. 3 is a cross-sectional view of a spray tower of the boiler tail gas dust collector of the present utility model.
Description of the embodiments
The following describes the preferred embodiment of the boiler tail gas dust collector of the present utility model in detail with reference to the accompanying drawings:
as shown in fig. 1 to 3, a boiler tail gas dust remover comprises a spray tower 1, an air inlet 11 is formed in the bottom side wall of the spray tower 1, an air outlet 12 is formed in the top of the spray tower 1, a sprayer 13 is arranged in the spray tower 1, a water outlet 14 is further formed in the bottom side wall of the spray tower 1, the position of the water outlet 14 is lower than that of the air inlet 11, a spiral guide ring 15 is formed in the inner wall of the spray tower 1, an annular inner edge 16 extends inwards along the circumferential direction of the inner wall of the spray tower 1, the annular inner edge 16 is located above the spiral guide ring 15, a plurality of tooth grooves 161 are longitudinally formed in the inner wall of the annular inner edge 16, and the tooth grooves 161 are uniformly distributed along the circumferential direction of the annular inner edge 16.
According to the boiler tail gas dust remover, the air inlet 11 of the spray tower 1 is used for accessing boiler tail gas; the air outlet 12 of the spray tower 1 is used for discharging the tail gas of the boiler in the spray tower; the sprayer 13 of the spray tower 1 is used for spraying, and spray water is used for dedusting the tail gas of the boiler; the water outlet 14 of the spray tower 1 is used for draining water; the spiral guide ring 15 is used for guiding the tail gas in the spray tower 1, so that the tail gas which enters the spray tower 1 and flows upwards is changed into spiral wind under the guiding action of the spiral guide ring 15; the annular inner edge 16 is used for guiding the water flow on the inner wall of the spray tower 1, so that the water flow on the inner wall of the spray tower 1 flows to the annular inner edge 16, flows radially inwards along the annular inner edge 16, and then flows downwards along the tooth grooves 161 of the annular inner edge 16 to form a water curtain.
According to the boiler tail gas dust remover disclosed by the utility model, the boiler tail gas is accessed from the air inlet 11 of the spray tower 1, the tail gas entering the spray tower 1 flows upwards, the upwards flowing tail gas is changed into upwards spiral air flow under the flow guiding effect of the spiral flow guiding ring 15, and in the upwards flowing process of the tail gas, the spray device 13 sprays to remove dust. The tail gas after dust removal is discharged out of the spray tower 1 through the gas outlet 12; the water sprayed by the sprayer 13 is discharged from the water outlet 14.
In the boiler tail gas dust remover, in the dust removing process, spray water on the inner wall of the spray tower 1 flows downwards along the inner wall of the spray tower 1, flows to the annular inner edge 16, flows inwards along the radial direction of the annular inner edge 16 under the blocking of the annular inner edge 16, and then flows downwards along the tooth grooves 161 of the annular inner edge 16 to form a water curtain; the formed water curtain is positioned on the inner side of the inner wall of the spray tower 1, and a gap is formed between the water curtain and the inner wall of the spray tower 1. Under the gap, the spiral air flow formed by the diversion of the spiral diversion ring 15 below the annular inner edge 16 passes through the water curtain from the inner side and the outer side of the water curtain to flow upwards.
According to the boiler tail gas dust remover, through the arrangement of the spiral guide ring 15, the tail gas in the spray tower 1 forms spiral air flow under the guide of the spiral guide ring 15; on one hand, the spiral airflow can increase the fluidity of the gas, so that the tail gas is fully contacted with the spray water; on the other hand, the spiral airflow can prolong the flow path of the airflow, so that the contact time of the tail gas and the spray water, namely the dust removal time, is prolonged, and the dust removal effect can be greatly improved. In addition, the tail gas dust remover for the boiler also enables the water flow on the inner wall of the spray tower 1 to form a water curtain under the diversion effect of the annular inner edge 16 and the tooth grooves 161 on the annular inner edge through the arrangement of the annular inner edge 16, after water penetration is formed, the spiral air flow formed by the diversion of the spiral diversion ring 15 under the annular inner edge 16 can pass through the water curtain, and continuously contacts with the water curtain inside and outside the water curtain or passes through the water curtain, so that the tail gas dust removing effect is greatly improved, meanwhile, the water flow on the inner wall of the spray tower 1 can be utilized for removing dust without directly flowing out along the inner wall, waste is caused, the water flow utilization rate is high, and the dust removing effect is good.
In the boiler tail gas dust remover of the utility model, the spiral guide ring 15 is preferably positioned at the lower part of the spray tower 1. The spiral guide ring 15 positioned at the lower part of the spray tower 1 can lead the air flow entering the spray tower 1 to be guided into rotary air flow at the lower part of the spray tower 1, the fluidity of the rotary air flow is good, the contact surface with the sprayed shower is large, and the dust removal effect is better.
In the boiler tail gas dust remover of the present utility model, preferably, the annular inner edge 16 is located at the lower part of the spray tower 1. After the spray water on the inner wall of the spray tower 1 flows to the lower part of the spray tower 1, under the action of the annular inner edge 16, a water curtain is formed, the rotary air flow formed after passing through the spiral guide ring 15 passes through the water curtain at the middle lower part of the spray tower 1 and is fully mixed with spray water, so that dust is effectively removed, that is, the air flow which enters the spray tower 1 soon and has large dust content can be fully mixed with the water curtain at the lower part of the spray tower 1, and the dust removal efficiency is high.
In the boiler tail gas dust remover of the utility model, the side wall of the spray tower 1 is preferably provided with a manhole 17. The manhole 17 is arranged, so that access of an maintainer is facilitated, and further overhaul is facilitated.
In the boiler tail gas dust remover of the utility model, preferably, the sprayers 13 in the spray tower 1 are provided with a plurality of groups, and the sprayers 13 are distributed at intervals in the height direction of the spray tower 1. The sprayers 13 are distributed on the air path, and the air flows passing through the sprayers 13 are sprayed to a plurality of different degrees, so that the spraying and dedusting effects are better compared with single-degree spraying.
In the boiler tail gas dust remover, the air inlet 11 of the spray tower 1 is communicated with a boiler 2. In operation, the tail gas of the boiler 2 enters the spray tower 1 through the air inlet 11.
The utility model relates to a boiler tail gas dust remover, wherein the air outlet 12 of a spray tower 1 is sequentially communicated with an induced draft fan 3 and an exhaust pipe 4. The induced draft fan 3 provides power for the airflow; when the device works, the tail gas after dust removal by the spray tower 1 is discharged from the air outlet 12 and then passes through the induced draft fan 3 until being discharged from the exhaust pipe 4.
According to the boiler tail gas dust remover disclosed by the utility model, the spray tower 1, the boiler 2, the induced draft fan 3 and the exhaust pipe 4 are communicated through air pipes.
In the boiler tail gas dust remover of the utility model, preferably, the number of the spray towers 1 is more than two, the more than two spray towers 1 are distributed on the same air path, and the air outlets 12 of the front spray towers 1 are communicated with the air inlets 11 of the rear spray towers 1 in the two adjacent spray towers 1 on the same air path. More than two spray towers 1 carry out dust removal for multiple times to tail gas, and the dust removal effect is good.
It should be understood by those skilled in the art that the present utility model may be embodied in many different forms without departing from the spirit or essential characteristics thereof.
Claims (8)
1. The utility model provides a boiler tail gas dust remover, includes spray column, its characterized in that: an air inlet is arranged on the side wall of the bottom of the spray tower, an air outlet is arranged at the top of the spray tower, a sprayer is arranged in the spray tower, a water outlet is also arranged on the side wall of the bottom of the spray tower, the position of the water outlet is lower than that of the air inlet, a spiral guide ring is arranged on the inner wall of the spray tower, the inner wall of the spray tower extends inwards along the circumferential direction of the inner wall to form an annular inner edge, the annular inner edge is positioned above the spiral guide ring, a plurality of tooth grooves are longitudinally formed in the inner wall of the annular inner edge, and the tooth grooves are uniformly distributed along the circumferential direction of the annular inner edge.
2. The boiler tail gas dust remover according to claim 1, characterized in that: the spiral guide ring is positioned at the lower part of the spray tower.
3. The boiler tail gas dust remover according to claim 1, characterized in that: the annular inner edge is positioned at the lower part of the spray tower.
4. The boiler tail gas dust remover according to claim 1, characterized in that: and a manhole is arranged on the side wall of the spray tower.
5. The boiler tail gas dust remover according to claim 1, characterized in that: the sprayers in the spray tower are provided with a plurality of groups, and the sprayers are distributed at intervals in the height direction of the spray tower.
6. The boiler tail gas dust remover according to claim 1, characterized in that: the air inlet of the spray tower is communicated with a boiler.
7. The boiler tail gas dust remover according to claim 1, characterized in that: the air outlet of the spray tower is sequentially communicated with an induced draft fan and an exhaust pipe.
8. The boiler tail gas dust remover according to claim 1, characterized in that: the number of the spray towers is more than two, the spray towers are distributed on the same air path, and the air outlets of the front spray towers are communicated with the air inlets of the rear spray towers in the two adjacent spray towers on the same air path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322196283.9U CN220294365U (en) | 2023-08-16 | 2023-08-16 | Boiler tail gas dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322196283.9U CN220294365U (en) | 2023-08-16 | 2023-08-16 | Boiler tail gas dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220294365U true CN220294365U (en) | 2024-01-05 |
Family
ID=89375920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322196283.9U Active CN220294365U (en) | 2023-08-16 | 2023-08-16 | Boiler tail gas dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220294365U (en) |
-
2023
- 2023-08-16 CN CN202322196283.9U patent/CN220294365U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |