CN217939624U - Dedusting and demisting equipment between slag conveying belts - Google Patents

Dedusting and demisting equipment between slag conveying belts Download PDF

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Publication number
CN217939624U
CN217939624U CN202221291600.4U CN202221291600U CN217939624U CN 217939624 U CN217939624 U CN 217939624U CN 202221291600 U CN202221291600 U CN 202221291600U CN 217939624 U CN217939624 U CN 217939624U
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air suction
tank
tower
tower body
circulating water
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CN202221291600.4U
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Chinese (zh)
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莫国栋
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Zhoushan Wangneng Environmental Protection Energy Co ltd
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Zhoushan Wangneng Environmental Protection Energy Co ltd
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Abstract

The utility model discloses a dedusting and demisting device between slag conveying belts, which comprises a washing tower (1), wherein an air suction pipeline (2) is arranged above the washing tower (1), an air suction cover (3) is arranged at an air suction port of the air suction pipeline (2), and the air suction cover (3) is positioned above the slag conveying belts (4); an air outlet of the washing tower (1) is connected with a demister (5); the washing tower (1) comprises a tower body (101), the top of the tower body (101) is provided with an air inlet (102), and one side of the lower part of the tower body (101) is provided with an air outlet (103); the tower is characterized in that a circulating water tank (104) is arranged at the bottom in the tower body (101), the circulating water tank (104) is connected with a water spray assembly (105) located on the upper portion in the tower body (101) through a pipeline and a circulating water pump, and an adsorption packing layer (106) is arranged below the water spray assembly (105). The utility model has the characteristics of can effectively improve dust removal defogging effect.

Description

Dedusting and demisting equipment between slag conveying belts
Technical Field
The utility model relates to an air treatment device between slag conveying belts, in particular to a dedusting and demisting device between slag conveying belts.
Background
The slag conveying system is used as an auxiliary facility of the circulating fluidized bed boiler and can continuously convey slag combusted by the circulating fluidized bed boiler to a slag storage. The slag conveying system mainly comprises a slag conveying vibrator, a slag conveying belt and other components, and ash slag discharged from the slag discharging machine contains dust and water vapor, so that the dust and the water vapor can be diffused in the slag conveying belt in the slag conveying process, the air quality of the area is seriously affected, and the physical health of workers is harmed. In order to solve the problem of dust and water vapor leakage in ash on a slag conveying belt, a mode of matching demisting equipment and a dust bag is generally adopted, water vapor in air is removed through the demisting equipment, and dust in the air is removed through the dust bag; however, because the air contains water vapor and dust, if a demisting device is used for demisting, dust blockage is easy to occur in the demisting process; if the dust removal bag is adopted for dust removal firstly, the dust is in a wet state, so that blockage is easy to occur; therefore, when the existing defogging equipment and the dedusting bag are used for dedusting and defogging, the blockage phenomenon easily occurs, and the final dedusting and defogging effect and efficiency are influenced. Therefore, the prior art has the problem that the dust removal and demisting effects are not ideal.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a defeated sediment belt is dust removal defogging equipment within a definite time. The utility model has the characteristics of can effectively improve dust removal defogging effect.
The technical scheme of the utility model: the dedusting and demisting device between the slag conveying belts comprises a washing tower, wherein an air suction pipeline is arranged above the washing tower, an air suction cover is arranged at an air suction port of the air suction pipeline, and the air suction cover is positioned above the slag conveying belts; an air outlet of the washing tower is connected with a demister; the washing tower comprises a tower body, the top of the tower body is provided with an air inlet, and one side of the lower part of the tower body is provided with an air outlet; and a circulating water tank is arranged at the bottom in the tower body, the circulating water tank is connected with a water spray assembly positioned at the upper part in the tower body through a pipeline and a circulating water pump, and an adsorption packing layer is arranged below the water spray assembly.
In the dedusting and demisting device between the slag conveying belts, the circulating water tank is positioned below the air outlet; and a sewage pump is also arranged on the side surface of the circulating water tank and is connected with the slag pit through a pipeline.
In the dedusting and demisting device between the slag conveying belts, the water spray assembly comprises a conical ventilation piece fixed in the tower body, a group of water spray pipes distributed in a conical shape are arranged outside the conical ventilation piece, and each water spray pipe is provided with a first spray nozzle; a central vertical spraying pipe is arranged in the conical ventilation piece, and a second spraying nozzle which is distributed in a spiral manner is arranged on the central vertical spraying pipe; and an annular spraying pipe is arranged below the conical ventilation part, and third spraying nozzles are arranged on the inner side and the outer side of the annular spraying pipe.
In the dedusting and demisting device between the slag conveying belts, the circulating water tank comprises a tank body, a sludge tank is arranged on the side surface of the tank body, a vertical filter screen is arranged between the sludge tank and the tank body, and a sludge pump is connected with the sludge tank; a horizontal filter screen is arranged above the tank body, a deslagging plate is arranged on the other side above the horizontal filter screen, a driving cylinder is arranged on the outer side of the tower body, a connecting rod is arranged at the output end of the driving cylinder, and the end part of the connecting rod is connected with the deslagging plate.
In the dedusting and demisting device between the slag conveying belts, the air suction pipeline is provided with a dust suction fan.
Compared with the prior art, the utility model consists of a washing tower and a demister, the washing tower is placed at the front side of the demister, the air is firstly sprayed for dust removal and adsorption for dust removal, and then demisting treatment is carried out, so that the accumulation and blockage phenomenon in the dust and demisting process can be well prevented, and the dust and demisting effect and the dust and demisting efficiency can be effectively improved (the blockage area does not need to be cleaned regularly); in the spray tower, the water spray assembly is arranged above the adsorption packing layer, dust is firstly adsorbed by spray water and then adhered by the packing, so that the dust in the air can be well removed, the spray water can also wash the dust adsorbed on the packing, the packing can be recycled, and the spray water can be recycled after being filtered by the filter screen; the utility model discloses simple structure, cyclic utilization is high, and use cost is lower. To sum up, the utility model has the characteristics of can effectively improve dust removal defogging effect.
Additionally, the utility model discloses a water sprays the subassembly and comprises toper ventilation piece, the water shower that the toper distributes, the vertical shower in center and annular shower to can effectual improvement spray's effect, improve the adsorption rate of dust in the air.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a partially enlarged view of fig. 1.
The labels in the figures are: 1-a washing tower, 2-an air suction pipeline, 3-an air suction cover, 4-a slag conveying belt, 5-a demister, 6-a dust suction fan, 101-a tower body, 102-an air inlet, 103-an air outlet, 104-a circulating water tank, 105-a water spray assembly, 106-an adsorption packing layer, 151-a conical ventilation piece, 152-a water spray pipe, 153-a central vertical spray pipe, 154-an annular spray pipe, 141-a tank body, 142-a sludge tank, 143-a vertical filter screen, 144-a horizontal filter screen, 145-a slag removing plate and 146-a driving air cylinder.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples are given. The dedusting and demisting device between the slag conveying belts is shown in figures 1-2 and comprises a washing tower 1, wherein an air suction pipeline 2 is arranged above the washing tower 1, an air suction cover 3 is arranged at an air suction port of the air suction pipeline 2, and the air suction cover 3 is positioned above the slag conveying belts 4; an air outlet of the washing tower 1 is connected with a demister 5; the washing tower 1 comprises a tower body 101, the top of the tower body 101 is provided with an air inlet 102, and one side of the lower part of the tower body 101 is provided with an air outlet 103; the bottom in the tower body 101 is provided with a circulating water tank 104, the circulating water tank 104 is connected with a water spray assembly 105 positioned at the upper part in the tower body 101 through a pipeline and a circulating water pump, and an adsorption filler layer 106 is arranged below the water spray assembly 105.
The circulating water tank 104 is positioned below the air outlet 103; and a sewage pump is further arranged on the side surface of the circulating water tank 104 and is connected with the slag pit through a pipeline.
The water spray assembly 105 comprises a conical ventilation piece 151 fixed in the tower body 101, a group of water spray pipes 152 distributed in a conical shape are arranged outside the conical ventilation piece 151, and each water spray pipe 152 is provided with a first spray nozzle; a central vertical spraying pipe 153 is arranged in the conical ventilation piece 151, and second spraying nozzles which are distributed spirally are arranged on the central vertical spraying pipe 153; an annular spraying pipe 154 is arranged below the conical ventilation piece 151, and third spraying nozzles are arranged on the inner side and the outer side of the annular spraying pipe 154.
The circulating water tank 104 comprises a tank body 141, a sludge tank 142 is arranged on the side surface of the tank body 141, a vertical filter screen 143 is arranged between the sludge tank 142 and the tank body 141, and a sludge pump is connected with the sludge tank 142; a horizontal filter screen 144 is arranged above the tank body 141, a deslagging plate 145 is arranged on the other side above the horizontal filter screen 144, a driving cylinder 146 is arranged outside the tower body 101, a connecting rod is arranged at the output end of the driving cylinder 146, and the end part of the connecting rod is connected with the deslagging plate 145.
And a dust suction fan 6 is arranged on the air suction pipeline 2.
A method for using the dust-removing and fog-removing equipment between the slag-conveying belts includes such steps as sucking the air containing dust and water vapour in the ash dregs on the slag-conveying belt into dust hood and air sucking pipeline by dust-sucking fan, washing in washing tower, removing dust, demisting by demister, and exhausting it to atmosphere.
Air enters a washing tower, contacts with spraying liquid firstly, and then contacts with adsorption packing under the action of gravity to remove dust; the air enters a demister to complete demisting treatment; the spraying liquid returns to the circulating water tank under the action of gravity and is conveyed to the water spraying component at the upper part through the circulating pump for recycling.
The conical ventilation piece is provided with a group of uniformly distributed ventilation openings.
The utility model discloses a working process: utilize the motor that induced drafts to inhale in the cover that induced drafts with the air of defeated sediment belt top, in the pipeline entering scrubbing tower that induced drafts, earlier with the toper ventilation piece contact in the water spray assembly, with the spiral shower water contact in the toper ventilation piece, air and water all flow the back from the gas outlet of toper ventilation piece afterwards, with the shower water contact and the annular shower water contact of the toper distribution in the outside, accomplish the purpose that the dust was got rid of in the water spray, then air and filler contact, further adsorb the dust in the air, accomplish the absorption of dust after, the air flows to carry out defogging processing in the defroster through the gas outlet, discharge to the atmosphere at last.
Meanwhile, dust adsorbed on the filler can fall into the circulating water tank under the flushing of the spray water, the dust is filtered by the filter screen in the circulating water tank, and water flows into the lower part of the filter screen and is conveyed to the spray pipe again through the circulating water pump for reuse; the dust on the filter screen can be pushed into the sludge tank under the regular cleaning of the slag removing plate, and the dust is periodically sent into the slag pit through the sludge pump.

Claims (1)

1. Defeated sediment belt inter dust removal defogging equipment, its characterized in that: the device comprises a washing tower (1), wherein an air suction pipeline (2) is arranged above the washing tower (1), an air suction cover (3) is arranged at an air suction opening of the air suction pipeline (2), and the air suction cover (3) is positioned above a slag conveying belt (4); an air outlet of the washing tower (1) is connected with a demister (5); the washing tower (1) comprises a tower body (101), wherein the top of the tower body (101) is provided with an air inlet (102), and one side of the lower part of the tower body (101) is provided with an air outlet (103); a circulating water tank (104) is arranged at the bottom in the tower body (101), the circulating water tank (104) is connected with a water spray assembly (105) positioned at the upper part in the tower body (101) through a pipeline and a circulating water pump, and an adsorption filler layer (106) is arranged below the water spray assembly (105);
the circulating water tank (104) is positioned below the air outlet (103); a sewage pump is further arranged on the side surface of the circulating water tank (104), and the sewage pump is connected with the slag pit through a pipeline;
the water spray assembly (105) comprises a conical ventilation piece (151) fixed in the tower body (101), a group of water spray pipes (152) distributed in a conical shape are arranged outside the conical ventilation piece (151), and each water spray pipe (152) is provided with a first spray nozzle; a central vertical spraying pipe (153) is arranged in the conical ventilation piece (151), and second spraying nozzles which are distributed in a spiral manner are arranged on the central vertical spraying pipe (153); an annular spray pipe (154) is arranged below the conical ventilation piece (151), and third spray nozzles are arranged on the inner side and the outer side of the annular spray pipe (154);
the circulating water tank (104) comprises a tank body (141), a sludge tank (142) is arranged on the side surface of the tank body (141), a vertical filter screen (143) is arranged between the sludge tank (142) and the tank body (141), and a sludge pump is connected with the sludge tank (142); a horizontal filter screen (144) is arranged above the tank body (141), a deslagging plate (145) is arranged on the other side above the horizontal filter screen (144), a driving cylinder (146) is arranged outside the tower body (101), a connecting rod is arranged at the output end of the driving cylinder (146), and the end part of the connecting rod is connected with the deslagging plate (145);
and a dust absorption fan (6) is arranged on the air suction pipeline (2).
CN202221291600.4U 2022-05-24 2022-05-24 Dedusting and demisting equipment between slag conveying belts Active CN217939624U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221291600.4U CN217939624U (en) 2022-05-24 2022-05-24 Dedusting and demisting equipment between slag conveying belts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221291600.4U CN217939624U (en) 2022-05-24 2022-05-24 Dedusting and demisting equipment between slag conveying belts

Publications (1)

Publication Number Publication Date
CN217939624U true CN217939624U (en) 2022-12-02

Family

ID=84214612

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221291600.4U Active CN217939624U (en) 2022-05-24 2022-05-24 Dedusting and demisting equipment between slag conveying belts

Country Status (1)

Country Link
CN (1) CN217939624U (en)

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