CN215311153U - Wet dust removal device - Google Patents
Wet dust removal device Download PDFInfo
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- CN215311153U CN215311153U CN202121225353.3U CN202121225353U CN215311153U CN 215311153 U CN215311153 U CN 215311153U CN 202121225353 U CN202121225353 U CN 202121225353U CN 215311153 U CN215311153 U CN 215311153U
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- dust removal
- flue gas
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Abstract
The utility model provides a wet dust removal device, wherein a dust removal unit comprises: the clean room, the clean room is equipped with the overflow formula basin that is used for the flue gas bathing to and be used for leading-in extremely with the flue gas the leading-in folded plate of flue gas of overflow formula basin, and be located the piece that sprays the flue gas of leading-in folded plate top of flue gas. The filtered water in the wet dust removal device is always in a circulating state, so that dust fall and blockage prevention are realized, and the dust removal effect is good; the overflow water replenishing saves a large amount of power consumption; meanwhile, the sludge after dust removal is conveyed to a hot water tank through a sewage pump and finally used for a mixer or a nitrator, so that the resource is recycled.
Description
Technical Field
The utility model relates to the field of industrial environment-friendly dust removal, in particular to a wet dust removal device.
Background
Along with the increasing importance of society and country on environmental protection, such as the field of steel sintering, the original discharge amount is 50mg/m3The discharge amount is reduced to less than 10mg/m3. The original water bath dust removal (foam and water film dust removal) can not meet the current national requirements. The old wet dust removal method is easy to block and remove dust because the dust is required to be precipitated in the dust remover, and the occupied area is large. The wet dust collectors currently on the market for treating industrial dust emissions are various in type, but these problems still remain to be solved.
Disclosure of Invention
The utility model aims to provide a wet dust removal device, which comprises: a dust removal unit (1) for flue gas dust removal, dust removal unit (1) include: the device comprises a dust chamber (11), wherein the dust chamber (11) is provided with an overflow type water tank for flue gas bathing, a flue gas guide folded plate for guiding flue gas into the overflow type water tank, and a spraying piece (113) which is positioned above the flue gas guide folded plate and used for spraying the flue gas;
the overflow type water tank comprises a plurality of U-shaped trough plates (111) which are arranged in parallel at intervals and have upward openings and are arranged in the dust removal unit (1); a plurality of sewage draining holes (1111) are formed in the length direction of the bottom of the U-shaped groove plate (111);
the smoke guide folded plate comprises door-shaped folded plates (112) which are arranged in the dust removal unit (1) in parallel at intervals, and each door-shaped folded plate (112) comprises a middle straight part (1121) and bent parts (1122) at two sides; bending parts at two sides of the door-shaped folded plate (112)
(1122) The smoke-absorbing and ventilating door is respectively inserted into the adjacent U-shaped groove plates (111), and a plurality of exhaust holes (11221) are arranged at the free end of the bending part (1122) of the door-shaped folded plate (112) and used for dispersing smoke to the U-shaped groove plates (111).
Preferably, the dust removing unit (1) further comprises a demisting chamber (12) which is arranged at an interval with the dust removing chamber (11) through a partition plate (15), and the demisting chamber (12) comprises: a single-layer demister (121) arranged at the bottom of the demisting chamber (12) and a multi-layer demister (122) arranged above the single-layer demister (121); and the spraying units (123) are arranged on the upper side and the lower side of the multilayer demister (122) and are used for spraying the multilayer demister (122).
Preferably, the dust removal unit (1) further comprises a water bucket (14) arranged at the bottom and used for collecting the dust-containing water flowing out of the overflow water tank and the demisting chamber (12), and a drain pipe (141) used for discharging the collected dust-containing water is arranged at the bottom of the water bucket (14).
Preferably, the device also comprises a sewage treatment unit (2) for treating the sewage generated by the dust removal unit (1); the sewage treatment unit (2) comprises a sewage treatment tank (21), wherein the sewage treatment tank (21) comprises a tank bottom inclined part (211) and a tank bottom horizontal part (212) positioned at the lower end of the tank bottom inclined part (211); the horizontal part (212) of the pool bottom is lower than the lower end of the inclined part (211) of the pool bottom.
Preferably, the pool bottom inclined part (211) is provided with a partition wall (2113), and the partition wall (2113) divides the bottom inclined part into a water inlet area (2111) and a buffer area (2112); the water inlet area (2111) and the buffer area (2112) are communicated with the horizontal part (212) of the pool bottom at the same end.
Preferably, the buffer area (2112) is provided with an agitator (22) and a circulating water pump (23), the agitator (22) is used for preventing dust from settling, and the circulating water pump (23) is used for pumping circulating water to the spray member (113); the horizontal part (212) of the bottom of the pool is provided with a sewage pump (24) for discharging the settled sludge.
Preferably, the method further comprises the following steps: an air inlet (3) which is arranged at one end of the dust chamber (11) and corresponds to the spraying piece (113) and is used for introducing flue gas; the air outlet (4) is arranged at the top of the demisting chamber (12); an air outlet pipeline (5) connected with the air outlet (4); the fan (6) is connected with the air outlet pipeline (5); and the chimney (7) is connected with the fan (6).
Preferably, the method further comprises the following steps: a flushing pipe (16) connected to the spray unit (123) for providing flushing water to the spray unit (123).
The utility model provides a wet dust removal device, which solves the technical problems of easy blockage, poor dust removal effect, high energy consumption, large occupied area and the like of the conventional dust removal device.
The filtered water in the wet dust removal device is always in a circulating state, so that dust fall and blockage prevention are realized, and the dust removal effect is good; the overflow water replenishing saves a large amount of power consumption; meanwhile, the sludge after dust removal is conveyed to a hot water tank through a sewage pump and finally used for a mixer or a nitrator, so that the resource is recycled.
Drawings
Fig. 1 is a schematic structural diagram of a dust removal unit of a wet dust removal device provided in embodiment 1 of the present invention.
Fig. 2 is a schematic three-dimensional structure of a U-shaped trough plate and a door-shaped folded plate of the wet dust removal device provided in embodiment 1 of the present invention.
Fig. 3 is a top view and a cross-sectional view of a sewage treatment tank of the wet dust removal device provided in embodiment 1 of the present invention.
Fig. 4 is a sectional view of an assembly of the wet dedusting apparatus provided in embodiment 1 of the present invention.
FIG. 5 is a top view of the wet dedusting apparatus provided in embodiment 1 of the present invention.
Wherein the content of the first and second substances,
1. a dust removal unit; 11. a dust chamber; a U-shaped channel plate; 1111. a sewage draining hole; 112.
door-shaped folded plates; 1121. a straight portion; 1122. a bending section; 11221. an exhaust hole; 113. a spraying member; 14. a water bucket; 141. a drain pipe; 12. a demisting chamber; 121. a single-layer demister; 122. a multilayer demister; 123. a spray washing unit; 15. a partition plate; 16. flushing the pipeline;
2. a sewage treatment unit; 21. a sewage treatment tank; 211. a pool bottom inclined section; 212. a horizontal part of the pool bottom; 2111. a water inlet area; 2112. a buffer area; 2113. a partition wall; 22. a stirrer; 23. a water circulating pump; 24. a sewage pump;
3. an air inlet; 4. an air outlet; 5. an air outlet pipeline; 6. a fan; 7. a chimney.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the present invention will be further described in detail with reference to the following detailed description.
Example 1:
as shown in fig. 1 to 5, the present embodiment provides a wet dedusting apparatus, including: a dust removal unit (1) for flue gas dust removal, as shown in fig. 1, said dust removal unit (1) comprising: the device comprises a dust chamber (11), wherein the dust chamber (11) is provided with an overflow type water tank for flue gas bathing, a flue gas guide folded plate for guiding flue gas into the overflow type water tank, and a spraying piece (113) which is positioned above the flue gas guide folded plate and used for spraying the flue gas;
as shown in fig. 1, the overflow type water tank comprises a plurality of U-shaped trough plates (111) which are arranged in parallel at intervals and have upward openings and are arranged in the dust removing unit (1); a plurality of sewage draining holes (1111) are formed in the length direction of the bottom of the U-shaped groove plate (111);
as shown in fig. 2, the smoke introduction flap comprises door-shaped flaps (112) arranged in parallel at intervals in the dust removing unit (1), wherein the door-shaped flaps (112) comprise middle straight parts (1121) and bent parts (1122) at two sides; the bending parts (1122) on two sides of the door-shaped folded plate (112) are respectively inserted into the adjacent U-shaped groove plates (111), and the free end of the bending part (1122) of the door-shaped folded plate (112) is provided with a plurality of exhaust holes (11221) for dispersing smoke to the U-shaped groove plates (111).
Therefore, the smoke enters a spraying piece (113) for spraying treatment and dust removal, dust-containing water flows into the U-shaped trough plate (111) from the door-shaped folded plate (112), and dust and mud primarily precipitated are discharged through the sewage discharge holes (1111) to prevent the blockage caused by accumulation on the U-shaped trough plate (111); the smoke enters the water for bathing through the exhaust holes (11221) again, overflows from the side edge plate of the U-shaped trough plate (111), and is discharged, and the smoke can be treated by spraying and bathing twice through the part, so that as much smoke and dust as possible can be treated.
Preferably, as shown in fig. 1, the dust removing unit (1) further includes a demisting chamber (12) spaced from the dust removing chamber (11) by a partition (15), and the demisting chamber (12) includes: a single-layer demister (121) arranged at the bottom of the demisting chamber (12) and a multi-layer demister (122) arranged above the single-layer demister (121); and the spraying units (123) are arranged on the upper side and the lower side of the multilayer demister (122) and are used for spraying the multilayer demister (122).
Thus, the flue gas enters the dust removal chamber again for multi-stage dispersion and dust removal for further purification. The number of layers of the demister can be added according to the treatment requirement until the flue gas meets the emission standard.
Preferably, as shown in fig. 1, the dust removing unit (1) further comprises a water bucket (14) arranged at the bottom for collecting the dust-containing water flowing out of the overflow type water tank and the demisting chamber (12), and a drain pipe (141) for discharging the collected dust-containing water is arranged at the bottom of the water bucket (14).
Preferably, as shown in fig. 3, the system further comprises a sewage treatment unit (2) for treating the sewage generated by the dust removal unit (1); the sewage treatment unit (2) comprises a sewage treatment tank (21), wherein the sewage treatment tank (21) comprises a tank bottom inclined part (211) and a tank bottom horizontal part (212) positioned at the lower end of the tank bottom inclined part (211); the horizontal part (212) of the pool bottom is lower than the lower end of the inclined part (211) of the pool bottom.
Thus, the settled sludge is retained as much as possible in the horizontal part (212) of the bottom of the tank, and the inclined part (211) of the bottom of the tank is relatively clarified.
Preferably, as shown in fig. 3, the pool bottom inclined part (211) is provided with a partition wall (2113), and the partition wall (2113) divides the bottom inclined part into a water inlet area (2111) and a buffer area (2112); the water inlet area (2111) and the buffer area (2112) are communicated with the horizontal part (212) of the pool bottom at the same end.
Thus, the dust-containing water enters from the water inlet area (2111) of the pool bottom inclined part (211), and the sludge can be prevented from settling due to the inclined bottom and large flow rate.
Preferably, as shown in fig. 3 to 5, the buffer area (2112) is provided with an agitator (22) and a circulating water pump (23), the agitator (22) is used for preventing dust from settling, and the circulating water pump (23) is used for pumping circulating water to the spray member (113); the horizontal part (212) of the bottom of the pool is provided with a sewage pump (24) for discharging the settled sludge.
Therefore, the filtered water can be recycled, and a large amount of power consumption is saved; and conveying the dedusted sludge to a hot water tank through a sewage pump, and finally using the sludge in a mixer or a nitrator to realize resource recycling.
Preferably, as shown in fig. 4, the method further includes: an air inlet (3) which is arranged at one end of the dust chamber (11) and corresponds to the spraying piece (113) and is used for introducing flue gas; the air outlet (4) is arranged at the top of the demisting chamber (12); an air outlet pipeline (5) connected with the air outlet (4); the fan (6) is connected with the air outlet pipeline (5); and the chimney (7) is connected with the fan (6).
Preferably, as shown in fig. 5, the method further includes: a flushing pipe (16) connected to the spray unit (123) for providing flushing water to the spray unit (123).
The filtered water in the wet dust removal device is always in a circulating state, so that dust fall and blockage prevention are realized, and the dust removal effect is good; the overflow water replenishing saves a large amount of power consumption; meanwhile, the sludge after dust removal is conveyed to a hot water tank through a sewage pump and finally used for a mixer or a nitrator, so that the resource is recycled.
Claims (8)
1. A wet dedusting apparatus, comprising: a dust removal unit (1) for flue gas dust removal, dust removal unit (1) include: the device comprises a dust chamber (11), wherein the dust chamber (11) is provided with an overflow type water tank for flue gas bathing, a flue gas guide folded plate for guiding flue gas into the overflow type water tank, and a spraying piece (113) which is positioned above the flue gas guide folded plate and used for spraying the flue gas;
the overflow type water tank comprises a plurality of U-shaped trough plates (111) which are arranged in parallel at intervals and have upward openings and are arranged in the dust removal unit (1); a plurality of sewage draining holes (1111) are formed in the length direction of the bottom of the U-shaped groove plate (111);
the smoke guide folded plate comprises door-shaped folded plates (112) which are arranged in the dust removal unit (1) in parallel at intervals, and each door-shaped folded plate (112) comprises a middle straight part (1121) and bent parts (1122) at two sides; the bending parts (1122) on two sides of the door-shaped folded plate (112) are respectively inserted into the adjacent U-shaped groove plates (111), and the free end of the bending part (1122) of the door-shaped folded plate (112) is provided with a plurality of exhaust holes (11221) for dispersing smoke to the U-shaped groove plates (111).
2. The wet dedusting apparatus according to claim 1, characterized in that the dedusting unit (1) further comprises a demisting chamber (12) which is arranged at a distance from the dedusting chamber (11) through a partition plate (15), and the demisting chamber (12) comprises: a single-layer demister (121) arranged at the bottom of the demisting chamber (12) and a multi-layer demister (122) arranged above the single-layer demister (121); and the spraying units (123) are arranged on the upper side and the lower side of the multilayer demister (122) and are used for spraying the multilayer demister (122).
3. A wet scrubbing apparatus as claimed in claim 1, wherein said scrubbing unit (1) further comprises a bottom mounted hopper (14) for collecting the dirty water from said overflow trough and demisting chamber (12), said hopper (14) having a bottom mounted drain (141) for draining the collected dirty water.
4. The wet dedusting apparatus as set forth in claim 1, further comprising a sewage treatment unit (2) for treating the sewage generated by the dedusting unit (1); the sewage treatment unit (2) comprises a sewage treatment tank (21), wherein the sewage treatment tank (21) comprises a tank bottom inclined part (211) and a tank bottom horizontal part (212) positioned at the lower end of the tank bottom inclined part (211); the horizontal part (212) of the pool bottom is lower than the lower end of the inclined part (211) of the pool bottom.
5. The wet dedusting apparatus as recited in claim 4, wherein the bottom inclined section (211) is provided with a partition wall (2113), and the partition wall (2113) divides the bottom inclined section (211) into a water inlet zone (2111) and a buffer zone (2112); the water inlet area (2111) and the buffer area (2112) are communicated with the horizontal part (212) of the pool bottom at the same end.
6. A wet scrubbing apparatus as claimed in claim 5, wherein said buffer area (2112) is provided with an agitator (22) and a circulating water pump (23), said agitator (22) being adapted to prevent settling of dust, said circulating water pump (23) being adapted to pump circulating water to said spray member (113); the horizontal part (212) of the bottom of the pool is provided with a sewage pump (24) for discharging the settled sludge.
7. The wet scrubbing apparatus of claim 2, further comprising: an air inlet (3) which is arranged at one end of the dust chamber (11) and corresponds to the spraying piece (113) and is used for introducing flue gas; the air outlet (4) is arranged at the top of the demisting chamber (12); an air outlet pipeline (5) connected with the air outlet (4); the fan (6) is connected with the air outlet pipeline (5); and the chimney (7) is connected with the fan (6).
8. The wet scrubbing apparatus of claim 2, further comprising: a flushing pipe (16) connected to the spray unit (123) for providing flushing water to the spray unit (123).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121225353.3U CN215311153U (en) | 2021-06-02 | 2021-06-02 | Wet dust removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121225353.3U CN215311153U (en) | 2021-06-02 | 2021-06-02 | Wet dust removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215311153U true CN215311153U (en) | 2021-12-28 |
Family
ID=79550378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121225353.3U Active CN215311153U (en) | 2021-06-02 | 2021-06-02 | Wet dust removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215311153U (en) |
-
2021
- 2021-06-02 CN CN202121225353.3U patent/CN215311153U/en active Active
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