CN215085849U - Two-stage high-efficiency wet dust collector - Google Patents
Two-stage high-efficiency wet dust collector Download PDFInfo
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- CN215085849U CN215085849U CN202120135335.XU CN202120135335U CN215085849U CN 215085849 U CN215085849 U CN 215085849U CN 202120135335 U CN202120135335 U CN 202120135335U CN 215085849 U CN215085849 U CN 215085849U
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Abstract
The utility model discloses a two-stage high-efficiency wet dust collector, which comprises a water bath dust collector and a wet electric dust collector which are transversely arranged in parallel, wherein the water bath dust collector is used for primary dust collection, the wet electric dust collector is used for secondary dust collection, the water bath dust collector is provided with a lower air inlet and a top air outlet, the wet electric dust collector is provided with a top air inlet and a lower air outlet, the top air outlet of the water bath dust collector is communicated with the top air inlet of the wet electric dust collector, the lower part in the water bath dust collector is provided with an air inlet spray chamber, a plurality of air guide pipes extending downwards are arranged on a lower bottom plate of the spray chamber, a water bath pool is arranged below the air inlet spray chamber, the lower pipe wall of the air guide pipes is provided with a plurality of radial through holes which extend into the water bath pool, the lateral side direction and the upper space of the air inlet spray chamber in the water bath dust collector form an air flow channel communicated with the top air outlet, and a dust collecting electrode is arranged in the wet electric dust collector, an air flow dedusting channel which is vertically arranged is formed between the dedusting electrodes. The utility model discloses can improve the dust removal effect to the waste gas that contains the high concentration dust.
Description
Technical Field
The utility model relates to a dust remover, especially a high-efficient wet dust collector of doublestage.
Background
Industrial waste gas contains not only harmful gases but also solid wastes such as dust, so that dust removal treatment is required before the industrial waste gas is discharged. The dust removal methods commonly used at present are mainly divided into dry dust removal and wet dust removal. Wet dust removal is a technique in which water (or other liquid) and a dust-containing gas are brought into contact with each other, and dust particles are separated from the gas by washing. The wet dust removal device adopts a water bath soaking type dust adsorption dust removal device, the sprayed waste gas is guided into a water tank through a gas guide pipe, the dust is captured by water through collision impact of the gas and the water in the water tank, and the dust removal effect of the device is difficult to meet the current emission requirement. If a plurality of groups of gas guide pipes and water pools are connected in series, great pressure loss is caused to the gas. The wet dust removal also comprises a wet electric dust remover which is mainly used for treating wet gas with high water content and even saturation. The dust remover has high dust removal efficiency and pressure loss, but has certain requirements on inlet waste gas, and cannot achieve ideal effects when directly treating waste gas with high-concentration dust.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned prior art defect, the utility model aims to provide a high-efficient wet dust collector of doublestage to improve the dust removal effect to the waste gas that contains the high concentration dust.
The utility model discloses technical scheme as follows: the utility model provides a high-efficient wet dust collector of doublestage, includes horizontal water dust collector and the wet electrostatic precipitator who arranges side by side, water dust collector is elementary dust removal, wet electrostatic precipitator is the second grade dust removal, water dust collector is equipped with lower part air inlet and top gas vent, wet electrostatic precipitator is equipped with top air inlet and lower part gas vent, water dust collector's top gas vent with wet electrostatic precipitator's top air inlet intercommunication, lower part in the water dust collector is equipped with the air inlet shower room that admits air, set up a plurality of downwardly extending's air duct on the lower plate of shower room, the below of admitting air shower room is equipped with the water bath, the lower part pipe wall of air duct is equipped with a plurality of radial through-holes, the lower extreme of air duct stretches into in the water bath, be located in the water dust collector the side direction and the top space of admitting air shower room constitute with the air current passageway of top gas vent intercommunication, be equipped with the dust removal electrode in the wet process electrostatic precipitator, constitute vertical air current dust removal passageway that sets up between the dust removal electrode.
Furthermore, the water bath is open-top, three sides are fixed walls and one side is a movable wall in the side wall of the water bath, the bottom edge of the movable wall is hinged with the bottom of the water bath, and the side end of the movable wall is sealed with the adjacent fixed wall. The liquid level height in the water bath tank can be adjusted by adjusting the angle of the movable wall according to dust with different properties, so that the optimal dust removal effect is achieved.
Furthermore, the bottom plate of the air inlet spray room is obliquely arranged, the distance between the bottom plate of the air inlet spray room and one side of the movable wall of the water bath is larger than the distance between the bottom plate of the air inlet spray room and one side of the fixed wall of the water bath, and the lower side of the bottom plate of the air inlet spray room is close to the lower air inlet. The inclined bottom plate of the air inlet spray chamber enables air inlet airflow to achieve the effect of uniform distribution, the muddy water of the primary mixed smoke dust can flow down along the bottom plate to flush the bottom plate, a large flow is formed in one side of the fixed wall of the water bath, a small flow is formed in the movable wall of the water bath, and when the movable wall rotates to the horizontal state, the effect that the single side flushes sludge at the bottom of the water bath can be achieved, and a good pollution discharge effect is achieved.
Furthermore, the included angle between the bottom plate of the air inlet spray chamber and the horizontal plane is 5-20 degrees. The large angle can obtain the maximum scouring flow but is not beneficial to air flow distribution, the small inclination angle cannot form flow difference, the air flow distribution effect and the scouring effect can be considered within the angle range, and the long-time high-efficiency operation of the dust remover is kept.
Further, the fixed wall and the bottom of the water bath are formed by the shell of the water bath dust remover.
Furthermore, a first ash bucket is arranged at the bottom of the water bath dust collector and is positioned on the side of the water bath pool.
Furthermore, a defogging plate bent in the vertical direction is arranged in the airflow channel above the air inlet spray chamber, a plurality of defogging plates are arranged in parallel in the horizontal direction to form a defogging layer, and the defogging layer is provided with a plurality of layers in the vertical direction.
Further, in order to reduce the exhaust water content of the wet electric dust collector, the lower exhaust port is provided with a plurality of inclined air guide plates arranged in parallel, and one side of the lower exhaust port is lower than one side of the lower exhaust port, which is far away from the inclined air guide plates.
Furthermore, the inclined air guide plates are arranged in parallel, and a water control plate which extends away from the lower air outlet and is bent downwards is arranged on the upper edge of the inlet end of the lower air outlet.
Further, the lower exhaust port is a tapered reducing pipe, the lower exhaust port is arranged in an upward tilting mode, and the inclination angle of the lower exhaust port is 5-10 degrees. The gradual reduction reducing pipe can make the flue gas velocity of flow slowly pass through, and the cooperation slope sets up the angle, and it is inside to flow back to wet process electrostatic precipitator with the steam of part condensation.
Compared with the prior art, the utility model the advantage lie in: the wet-bath dust removal and the wet electric dust removal are combined to form a two-stage dust removal system, most dust in the flue gas is removed by the wet-bath dust removal, and the first-stage outlet reaches 50mg/m3After wet dedusting in water bath, the wet electric dust collector further removes residual fine dust in the flue gas, and the final discharge of the outlet can reach 10mg/m3In the following, the concentration of dust entering the wet-type electric dust collector is controlled by fully utilizing the wet-type wet dust collection, and the effective operation of the wet-type electric dust collector is ensured.
Drawings
FIG. 1 is a schematic structural diagram of a two-stage high-efficiency wet dust collector in the embodiment.
FIG. 2 is a schematic top view of the two-stage high-efficiency wet dust collector of the embodiment.
Fig. 3 is a partial structure diagram of the water bath.
Detailed Description
The present invention will be further described with reference to the following examples, which should not be construed as limiting the invention.
Please refer to fig. 1 to 3, an embodiment of the present invention relates to a two-stage high-efficiency wet dust collector, which includes a water bath dust collector 1 and a wet electric dust collector 2, which are transversely arranged in parallel, wherein the water bath dust collector 1 is used for primary dust collection, and the wet electric dust collector 2 is used for secondary dust collection. The water bath dust collector 1 and the wet electric dust collector 2 are both provided with vertical air passages and are connected in series. Namely, the water bath dust collector 1 is provided with a lower air inlet 101 and a top air outlet 102, the wet electric dust collector 2 is provided with a top air inlet 201 and a lower air outlet 202, and the top air outlet 101 of the water bath dust collector 1 is communicated with the top air inlet 201 of the wet electric dust collector 2. The flue gas with larger dust concentration enters the primary water bath dust collector 1 for dust removal and concentration reduction, and then directly enters the wet electric dust collector 2 for dust removal so as to achieve the ideal emission effect.
The water-bath dust collector 1 has a substantially rectangular parallelepiped housing structure, and an air inlet shower 103 is partitioned at a position near a lower air inlet 101 in a middle lower portion of the water-bath dust collector 1, and the lower air inlet 101 is communicated with the air inlet shower 103. The bottom plate 1031 of the intake shower chamber 103 is disposed obliquely, and is lower on the side close to the lower intake port 101 and higher on the side away from the lower intake port 101. The included angle between the bottom plate 1031 of the air inlet shower chamber 103 and the horizontal plane is 5-20 degrees. A plurality of shower ports 104 are provided above the bottom plate 1031 to spray mist. The bottom plate 1031 is provided with a plurality of through holes in the vertical direction, and vertical air ducts 105 are inserted into the through holes. The lower tube wall of the air duct 105 is provided with a plurality of radial through holes 1051.
A water bath 106 is provided below the intake shower 103, and a bottom 1061 of the water bath 106 is a bottom of the housing of the dust collector 1. The side wall of the water bath 106 is a fixed wall 1062 on three sides and is formed by a housing, the side wall on the other side is a movable wall 1063, the water bath 106 integrally forms a top opening structure, and the movable wall 1063 is located on the side far away from the lower air inlet 101. The bottom edge of the movable wall 1063 is hinged with the bottom of the water bath 106, and the side end of the movable wall 1063 is sealed with the adjacent fixed wall 1062. The height of the liquid that can be received by bath 106 can be adjusted by rotating movable wall 1063. After the air duct 105 is inserted from the bottom plate 1031 of the intake shower 103, the bottom end of the air duct 105 enters the water bath 106. A certain liquid level is maintained in the water bath 106, and the radial through holes 1051 of the gas guide tubes 105 are all submerged in the liquid level in the water bath 106. The space in the water-bath 1 located laterally and above the inlet shower 103 forms an air flow passage 107 communicating with the top exhaust port 102. The flue gas entering from the lower air inlet 101 is sprayed by the spraying port 104, aerated in the water bath 106 through the air duct 105, and then discharged from the top air outlet 102 through the air flow channel 107 to enter the wet electric dust collector 2. A defogging plate 108 bent in the vertical direction is arranged in the airflow channel 107 above the air inlet spray chamber 103, a plurality of defogging plates 108 are arranged in parallel in the horizontal direction to form a defogging layer, and the defogging layer is provided with a plurality of layers in the vertical direction. The flue gas leaving the water bath 106 is subjected to water removal in the gas flow channel 107 while also further reducing dust entrainment.
Since the floor 1031 of the intake shower chamber 103 is inclined, the distance between the floor 103 of the intake shower chamber 103 and the side of the movable wall 1063 of the water bath 106 is greater than the distance between the floor 1031 of the intake shower chamber 103 and the side of the fixed wall 1062 of the water bath 106. The water sprayed from the spray opening 104 is collected on the surface of the bottom plate 1031 to form a water flow, and the dust adhesion and agglomeration on the surface of the bottom plate 1031 can be delayed by washing the bottom plate 1031. When the movable wall 1063 rotates to a horizontal state, the water flow on the fixed wall 1062 side of the water bath 106 is larger than the water flow on the movable wall 1063 side, so that the sludge at the bottom of the water bath 106 can be washed in a single direction, and a good sewage discharge effect is achieved. The bottom of the water bath dust collector 1 is provided with a first ash bucket 109 at the side of the water bath 106, and the liquid overflowing from the water bath 106 and the muddy water flushed from the water bath 106 all flow into the first ash bucket 109. In order to increase the processing capacity of the dust-bath 1, a plurality of air inlet showers 103 can be horizontally arranged in parallel in the dust-bath 1, and the flue gas is divided from the lower air inlet 101 and then enters each air inlet shower 103.
The overall structure of the wet electric dust collector 2 is similar to that of the wet electric dust collector in the prior art, and comprises a sprayer 203, a dust removing electrode 204 and the like. In this embodiment, the flue gas enters from top to bottom, the sprayer 203 is arranged above the dedusting electrodes 204, and the dedusting electrodes 204 form a vertically-arranged airflow dedusting channel. In order to reduce the exhaust water content of the wet electric dust collector 2, a plurality of inclined air guide plates 205 arranged in parallel are arranged at the lower exhaust port 202 in the wet electric dust collector 2, and one side of each inclined air guide plate 205 far away from the lower exhaust port 202 is lower than one side of each inclined air guide plate close to the lower exhaust port 202. The inclined air guide plates 205 are arranged in parallel, and the upper edge of the inlet end of the lower air outlet 202 is provided with a water control plate 206 which extends away from the lower air outlet 202 and bends downwards. The lower exhaust port 202 is a tapered reducer pipe which is obliquely arranged in an upturned manner, and the inclination angle of the lower exhaust port 202 is 5-10 degrees. The gradual reduction reducing pipe can make the flue gas velocity of flow slowly pass through, and the cooperation slope sets up the angle, and it is inside to flow back to wet process electrostatic precipitator 2 with the steam of part condensation. The bottom of the wet electric dust collector 2 is provided with a second ash bucket 207, and the dust removed by the wet electric dust collector 2 falls into the second ash bucket 207.
Claims (10)
1. The utility model provides a high-efficient wet dust collector of doublestage, its characterized in that, includes horizontal water dust collector and the wet electrostatic precipitator who arranges side by side, water dust collector is elementary dust removal, wet electrostatic precipitator removes dust for the second grade, water dust collector is equipped with lower part air inlet and top gas vent, wet electrostatic precipitator is equipped with top air inlet and lower part gas vent, water dust collector's top gas vent with wet electrostatic precipitator's top air inlet intercommunication, lower part in the water dust collector is equipped with the air inlet shower room, set up a plurality of downwardly extending's air duct on the lower plate of shower room, the below of air inlet shower room is equipped with the water bath, the lower part pipe wall of air duct is equipped with a plurality of radial through-holes, the lower extreme of air duct stretches into in the water bath, be located in the water dust collector side direction and the top space of air inlet shower room constitute with the air current passageway that the top gas vent communicates, be equipped with the dust removal electrode in the wet process electrostatic precipitator, constitute vertical air current dust removal passageway that sets up between the dust removal electrode.
2. The two-stage high-efficiency wet dust collector of claim 1, wherein the water bath is open at the top, three sides of the side wall of the water bath are fixed walls, one side of the side wall of the water bath is a movable wall, the bottom edge of the movable wall is hinged with the bottom of the water bath, and the side end of the movable wall is sealed with the adjacent fixed wall.
3. The two-stage high-efficiency wet dust collector of claim 2, wherein the bottom plate of the inlet air shower is inclined, the distance between the bottom plate of the inlet air shower and one side of the movable wall of the water bath is larger than the distance between the bottom plate of the inlet air shower and one side of the fixed wall of the water bath, and the lower side of the bottom plate of the inlet air shower is close to the lower air inlet.
4. The two-stage high-efficiency wet dust collector of claim 3, wherein the bottom plate of the air inlet shower is inclined, the distance between the bottom plate of the air inlet shower and one side of the movable wall of the water bath is larger than the distance between the bottom plate of the air inlet shower and one side of the fixed wall of the water bath, and the lower side of the bottom plate of the air inlet shower is close to the lower air inlet.
5. The two-stage high efficiency wet scrubber according to claim 1, wherein the fixed wall and the bottom of the water bath are formed by the housing of the water scrubber.
6. The two-stage high-efficiency wet dust collector of claim 1, wherein the bottom of the water bath dust collector is provided with a first ash bucket at the side of the water bath.
7. The two-stage high-efficiency wet dust collector as claimed in claim 1, wherein a plurality of vertically bent demisting plates are arranged in parallel in the horizontal direction in the airflow channel above the air inlet spray chamber to form a demisting layer, and the demisting layer is provided with a plurality of layers in the vertical direction.
8. The two-stage high-efficiency wet dust collector of claim 1, wherein a plurality of inclined air guide plates arranged in parallel are arranged at the lower air outlet in the wet electric dust collector, and one side of each inclined air guide plate, which is far away from the lower air outlet, is lower than one side of each inclined air guide plate, which is close to the lower air outlet.
9. The two-stage high efficiency wet scrubber according to claim 8, wherein the inclined air guide plates are arranged in parallel, and the upper edge of the inlet end of the lower air outlet is provided with a water control plate which extends away from the lower air outlet and is bent downwards.
10. The two-stage high efficiency wet dust collector of claim 1, wherein the lower outlet is a tapered reducer, the lower outlet is tilted upward, and the tilt angle of the lower outlet is 5 ° to 10 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120135335.XU CN215085849U (en) | 2021-01-19 | 2021-01-19 | Two-stage high-efficiency wet dust collector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120135335.XU CN215085849U (en) | 2021-01-19 | 2021-01-19 | Two-stage high-efficiency wet dust collector |
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| CN215085849U true CN215085849U (en) | 2021-12-10 |
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| CN202120135335.XU Active CN215085849U (en) | 2021-01-19 | 2021-01-19 | Two-stage high-efficiency wet dust collector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797347A (en) * | 2022-04-13 | 2022-07-29 | 江苏鑫华能环保工程股份有限公司 | Integrated water-bath wet type cyclone dust collector |
-
2021
- 2021-01-19 CN CN202120135335.XU patent/CN215085849U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797347A (en) * | 2022-04-13 | 2022-07-29 | 江苏鑫华能环保工程股份有限公司 | Integrated water-bath wet type cyclone dust collector |
| CN114797347B (en) * | 2022-04-13 | 2024-03-19 | 江苏鑫华能环保工程股份有限公司 | Integrated water bath wet cyclone dust collector |
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