CN216395751U

CN216395751U - Dust removing device with low pollution emission for thermal power plant

Info

Publication number: CN216395751U
Application number: CN202122090010.7U
Authority: CN
Inventors: 李昶; 焦建刚; 王卓; 杨桦; 杨晔; 周强; 杨星利; 宋鹏; 李一州; 林茂; 林璐; 贾若愚
Original assignee: Linhe Thermal Power Plant of Northern United Power Co Ltd
Current assignee: Linhe Thermal Power Plant of Northern United Power Co Ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-04-29
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a dust removing device with low pollution emission in a thermal power plant, which comprises a dust removing box, wherein a water tank is connected above the dust removing box, a spraying plate is connected below the water tank through a water outlet pipe, a first filter plate is connected inside the dust removing box, a cleaning device is connected below the filter plate inside the dust removing box, a collecting drawer is slidably connected below the cleaning device inside the dust removing box, a baffle door matched with the collecting drawer is connected on the side wall of the dust removing box, a circulating pipe is connected on one side of the lower end of the dust removing box, the upper end of the circulating pipe is connected with the side wall of the water tank, a circulating pump is connected on the circulating pipe, an air inlet pipe is connected between the cleaning device and the collecting drawer on one side of the dust removing box, an exhaust pipe is connected between the spraying plate and the first filter plate on the side far away from the air inlet pipe, and an adsorption device is connected on the exhaust pipe. Compared with the prior art, the utility model has the advantages that: good dust removal effect, easy cleaning, blockage prevention and long service life.

Description

Dust removing device with low pollution emission for thermal power plant

Technical Field

The utility model relates to the technical field of emission treatment equipment of thermal power plants, in particular to a dust removal device for low-pollution emission of thermal power plants.

Background

A thermal power plant, referred to as a thermal power plant, is a plant that produces electric energy using a combustible (e.g., coal) as a fuel. The basic production process is as follows: when the fuel is burnt, water is heated to generate steam, chemical energy of the fuel is converted into heat energy, the steam pressure pushes a steam turbine to rotate, the heat energy is converted into mechanical energy, and then the steam turbine drives a generator to rotate, so that the mechanical energy is converted into electric energy.

Can produce a large amount of waste gases in the thermal power plant working process, contain a large amount of dusts in the waste gas, if waste gas directly discharges can serious polluted environment in the air not handling, if in addition the dust in the waste gas is got rid of untimely, the dust can pile up in follow-up exhaust-gas treatment equipment, causes the influence to exhaust-gas treatment equipment's normal operating, reduces the life of equipment, increases the manufacturing cost of power plant.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems and provide the low-pollution-emission dust removal device for the thermal power plant, which has the advantages of good dust removal effect, easiness in cleaning, blockage prevention and long service life, and overcomes the technical defects.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the dust removing device for low-pollution emission of the thermal power plant comprises a dust removing box, a water tank is connected above the dust removing box, a water inlet pipe is connected above the water tank, a sealing plug is connected to the upper end of the water inlet pipe, a water outlet pipe is connected below the water tank, the lower end of the water outlet pipe extends into the dust removing box, a spraying plate is connected to the spraying plate, a plurality of spraying holes are formed in the spraying plate, a first filtering plate is connected below the spraying plate in the dust removing box, a cleaning device is connected below the filtering plate in the dust removing box, a collecting drawer is slidably connected below the cleaning device in the dust removing box, a plurality of T-shaped sliding strips are connected to two sides of the collecting drawer, T-shaped sliding grooves matched with the T-shaped sliding strips are formed in the side wall of the dust removing box, a blocking door matched with the collecting drawer is connected to the side wall of the dust removing box, and a circulating pipe is connected to one side of the lower end of the dust removing box, the circulating pipe upper end with the water tank lateral wall is connected, it is equipped with the circulating pump to connect on the circulating pipe, the circulating pump is connected and is located on the dust removal case, dust removal case one side is located cleaning device with it is equipped with the intake pipe to collect to connect between the steamer tray, the dust removal case is kept away from intake pipe one side is located spray plate with it is equipped with the blast pipe to connect between the filter one, it is equipped with adsorption equipment to connect on the blast pipe.

Compared with the prior art, the utility model has the advantages that: spray plate can guarantee that water and waste gas fully contact fast, the dust collection efficiency of the device is improved, cleaning device can clear up filter one in real time, prevent that filter one from blockking up, guarantee its good filter effect, increase the life of filter one, avoid opening repeatedly the device and clear up, it is labour saving and time saving, it connects at the dust removal incasement to collect the steamer tray through T shape draw runner cooperation T shape spout, be convenient for get and put and clear up, the flexibility is strong, circulating pipe cooperation circulating pump can realize recycling the water after filtering, resources are saved, adsorption equipment can adsorb once more to preliminary treatment's waste gas and remove dust, guarantee device's dust removal effect.

Further, cleaning device locates including rotating the connection the lead screw of dust removal incasement, lead screw one end is stretched out the dust removal case is connected and is equipped with the motor, the connection is equipped with the matching on the dust removal case lateral wall the motor frame of motor, threaded connection is equipped with the clearance brush board on the lead screw, clearance brush board upper end connect be equipped with the brush hair that filter one contacted, the connection of clearance brush board lower extreme is equipped with the draw runner, dust removal incasement connection is equipped with the matching the spout of draw runner, through the removal of motor control clearance brush board, easy operation, labour saving and time saving, the lead screw can make the automatic reciprocating motion of clearance brush board, avoids the reversal of repetitive control motor, increases the life of motor.

Furthermore, the bottom surface is filter two under the collection steamer tray, it is equipped with handle one to connect on the collection steamer tray, is convenient for get and puts the collection steamer tray.

Furthermore, a second handle is connected to the stop door, a sealing gasket is connected to the periphery of the stop door, the second handle is convenient for opening and closing the stop door, and the sealing gasket ensures the sealing performance of the device.

Further, adsorption equipment is including adsorbing the case, be equipped with a plurality of fixed slots in the adsorption case, the connection is equipped with the activated carbon board in the fixed slot, it is equipped with the matching to adsorb the connection of case top the fender lid of fixed slot, the thoroughness that removes dust can be guaranteed to a plurality of activated carbon boards, and the fender lid is convenient for change the activated carbon board, increases the flexibility of device.

Drawings

Fig. 1 is a schematic structural diagram in the first state of the utility model.

Fig. 2 is a schematic structural diagram in the second state of the utility model.

As shown in the figure: 1. a dust removal box; 2. a water tank; 3. a water inlet pipe; 4. a sealing plug; 5. a water outlet pipe; 6. a spray plate; 7. a first filter plate; 8. a collection drawer; 9. a T-shaped slide bar; 10. a shutter; 11. a circulation pipe; 12. a circulation pump; 13. an air inlet pipe; 14. an exhaust pipe; 15. a screw rod; 16. a motor; 17. a motor frame; 18. cleaning the brush plate; 19. brushing; 20. a slide bar; 21. a chute; 22. a second filter plate; 23. a first handle; 24. a second handle; 25. a gasket; 26. an adsorption tank; 27. fixing grooves; 28. an activated carbon plate; 29. and (7) blocking the cover.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to the attached drawing 1-2, the dust removing device for low pollution emission of a thermal power plant comprises a dust removing box 1, a water tank 2 is connected above the dust removing box 1, a water inlet pipe 3 is connected above the water tank 2, a sealing plug 4 is connected at the upper end of the water inlet pipe 3, a water outlet pipe 5 is connected below the water tank 2, the lower end of the water outlet pipe 5 extends into the dust removing box 1 and is connected with a spraying plate 6, a plurality of spraying holes are arranged on the spraying plate 6, a first filtering plate 7 is connected below the spraying plate 6 in the dust removing box 1, a cleaning device is connected below the first filtering plate 7 in the dust removing box 1, a collecting drawer 8 is slidably connected below the cleaning device in the dust removing box 1, a plurality of T-shaped sliding strips 9 are connected and arranged on two sides of the collecting drawer 8, T-shaped sliding grooves matched with the T-shaped sliding strips 9 are arranged on the side wall of the dust removing box 1, connect on the 1 lateral wall of dust removal case and be equipped with the matching collect the shutter 10 of steamer tray 8, 1 lower extreme one side connection of dust removal case is equipped with circulating pipe 11, circulating pipe 11 upper end with 2 lateral walls of water tank are connected, the last circulating pump 12 that is equipped with of circulating pipe 11, circulating pump 12 is connected and is located on the dust removal case 1, 1 one side of dust removal case is located cleaning device with it is equipped with intake pipe 13 to collect to connect between the steamer tray 8, dust removal case 1 is kept away from intake pipe 13 one side is located spray plate 6 with it is equipped with blast pipe 14 to connect between filter 7, the last connection of blast pipe 14 is equipped with adsorption equipment.

Cleaning device locates including rotating the connection lead screw 15 in the dust removal case 1, 15 one ends of lead screw stretch out dust removal case 1 is connected and is equipped with motor 16, the connection is equipped with the matching on the 1 lateral wall of dust removal case motor 16's motor frame 17, threaded connection is equipped with clearance brush board 18 on the lead screw 15, clearance brush board 18 upper end connect be equipped with the brush hair 19 that a filter 7 contacted, the connection of clearance brush board 18 lower extreme is equipped with draw runner 20, the connection is equipped with the matching in the dust removal case 1 the spout 21 of draw runner 20. The lower bottom surface of the collection drawer 8 is a second filter plate 22, and the collection drawer 8 is connected with a first handle 23. The shutter 10 is connected with a second handle 24, and the periphery of the shutter 10 is connected with a sealing gasket 25. The adsorption device comprises an adsorption tank 26, a plurality of fixing grooves 27 are formed in the adsorption tank 26, an activated carbon plate 28 is connected and arranged in each fixing groove 27, and a blocking cover 29 matched with each fixing groove 27 is connected and arranged above the adsorption tank 26.

The utility model is implemented as follows: an air inlet pipe 13 is connected with an air outlet on waste gas emission equipment, waste gas enters a dust removal box 1 through the air inlet pipe 13 and then moves upwards, the waste gas is primarily filtered through a first filter plate 7, meanwhile, a sealing plug 4 is opened, water is added into a water tank 2 through an water inlet pipe 3, the water flows into a spraying plate 6 through a water outlet pipe 5 and is sprayed out through the spraying plate 6, then, the water mixed with dust is sprayed onto the waste gas through the first filter plate 7 to separate part of dust, the water mixed with the dust falls to the lower end of the dust removal box 1 after being filtered through a second filter plate 22, the dust is left between the first filter plate 7 and the second filter plate 22, due to the action of gravity, dust particles gradually fall into a collection drawer 8, a circulating pump 12 is opened, the water at the lower end of the dust removal box 1 is led into the water tank 2 through a circulating pipe 11 to be reused, a motor 16 is simultaneously opened, the motor 16 drives a screw rod 15 to rotate, further, a cleaning brush plate 18 moves, and a slide bar 20 moves in a sliding groove 21, the brush hair 19 removes along filter 7, clears up filter 7, drenches to spout the gas flow after the filtration and flows to blast pipe 14, discharges after a plurality of active carbon plate 28 adsorb, regularly opens shutter 10, will collect the steamer tray 8 and take out and clear up, regularly opens fender lid 29, changes active carbon plate 28.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The dust removal device that thermal power plant low pollution discharged, including dust removal case (1), its characterized in that: a water tank (2) is connected above the dust removal box (1), a water inlet pipe (3) is connected above the water tank (2), a sealing plug (4) is connected at the upper end of the water inlet pipe (3), a water outlet pipe (5) is connected below the water tank (2), the lower end of the water outlet pipe (5) extends into the dust removal box (1) and is connected with a spray plate (6), a plurality of spray holes are arranged on the spray plate (6), a first filter plate (7) is connected below the spray plate (6) in the dust removal box (1), a cleaning device is connected below the first filter plate (7) in the dust removal box (1), a collection drawer (8) is arranged below the cleaning device in a sliding connection manner, a plurality of T-shaped sliding strips (9) are connected and arranged on two sides of the collection drawer (8), and T-shaped sliding chutes matched with the T-shaped sliding strips (9) are arranged on the side wall of the dust removal box (1), connect on dust removal case (1) lateral wall to be equipped with the matching shutter (10) of collecting steamer tray (8), dust removal case (1) lower extreme one side is connected and is equipped with circulating pipe (11), circulating pipe (11) upper end with water tank (2) lateral wall is connected, it is equipped with circulating pump (12) to connect on circulating pipe (11), circulating pump (12) are connected and are located on dust removal case (1), dust removal case (1) one side is located cleaning device with it is equipped with intake pipe (13) to connect between collecting steamer tray (8), dust removal case (1) is kept away from intake pipe (13) one side is located spray plate (6) with it is equipped with blast pipe (14) to connect between filter (7), it is equipped with adsorption equipment to connect on blast pipe (14).

2. The dust removing device with low pollution emission of the thermal power plant as claimed in claim 1, wherein: cleaning device locates including rotating the connection lead screw (15) in dust removal case (1), lead screw (15) one end is stretched out dust removal case (1) is connected and is equipped with motor (16), connect on dust removal case (1) lateral wall and be equipped with the matching motor frame (17) of motor (16), threaded connection is equipped with clearance brush board (18) on lead screw (15), clearance brush board (18) upper end connect be equipped with brush hair (19) that filter (7) contacted, clearance brush board (18) lower extreme is connected and is equipped with draw runner (20), dust removal case (1) in-connection is equipped with the matching spout (21) of draw runner (20).

3. The dust removing device with low pollution emission of the thermal power plant as claimed in claim 1, wherein: the lower bottom surface of the collection drawer (8) is provided with a second filter plate (22), and the collection drawer (8) is connected with a first handle (23).

4. The dust removing device with low pollution emission of the thermal power plant as claimed in claim 1, wherein: the stop door (10) is connected with a second handle (24), and the periphery of the stop door (10) is connected with a sealing gasket (25).

5. The dust removing device with low pollution emission of the thermal power plant as claimed in claim 1, wherein: adsorption equipment is including adsorbing case (26), be equipped with a plurality of fixed slots (27) in adsorbing case (26), fixed slot (27) in-connection is equipped with activated carbon plate (28), it is equipped with the matching to adsorb case (26) top connection keep off lid (29) of fixed slot (27).