CN213700324U

CN213700324U - Wet electrostatic dust collector for boiler flue gas

Info

Publication number: CN213700324U
Application number: CN202022518935.2U
Authority: CN
Inventors: 刘勇
Original assignee: Wuxi Huaye Derusting Coating Equipment Co ltd
Current assignee: Wuxi Huaye Derusting Coating Equipment Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-07-16
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a boiler flue gas wet electrostatic precipitator device, the device comprises a device body, this internal fixed mounting of device has the mount, fixed mounting has the electrostatic plate on the mount, be provided with the flue gas passageway on the electrostatic plate between the positive negative polar plate, the top fixedly connected with spray rack that the device body is located the electrostatic plate, terminal surface installs the shower nozzle under the spray rack, the below that the device body is located the electrostatic plate is provided with connects the dirt box, the bottom fixed mounting who connects the dirt box has the filter screen, device body bottom is provided with the water catch bowl, the upper end intercommunication exhaust pipe of device body, device body left side fixedly connected with intake pipe. The utility model discloses a crooked flue gas passageway of S type that sets up on the electrostatic plate has improved the effective route that the flue gas passes through the electrostatic plate, and S type bending shape can reduce the flue gas and at the circulation speed that passes through simultaneously, has promoted the dust removal effect when the electrostatic plate passes through to the flue gas greatly.

Description

Wet electrostatic dust collector for boiler flue gas

Technical Field

The utility model relates to an electrostatic precipitator technical field specifically is a boiler flue gas wet electrostatic precipitator device.

Background

In recent years, the requirement on environmental protection is higher and higher at home and abroad, various petrochemical tail gases and kiln flue gases can be discharged only after reaching the standard after being subjected to dust removal and desulfurization, otherwise, the environmental geophysical prospecting can be caused. The current effective dust removal method is electric dust removal, the electric dust removal is various, and the electric dust remover is divided into dry type electrostatic dust removal and wet type electrostatic dust removal according to whether liquid dust removal and ash removal are adopted in the dust removal process. In some chemical production processes, because of the large amount of sulfur and moisture, wet electrostatic dust removal is usually adopted for dust removal.

At present, the existing wet electrostatic dust removal device generally adopts anode plates and cathode plates which are arranged in a staggered and parallel manner, the dust removal effect is poor, and the waste of water resources in the dust removal process is serious.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a boiler flue gas wet electrostatic precipitator device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a wet electrostatic dust collector for boiler flue gas comprises a device body, wherein the device body is a rectangular cavity body with conical upper and lower end parts, a fixed frame is fixedly arranged in the device body, an electrostatic plate is fixedly arranged on the fixed frame, a flue gas channel is arranged between a positive polar plate and a negative polar plate on the electrostatic plate, the device body is fixedly connected with a spray frame above the electrostatic plate, a plurality of uniformly distributed spray heads are arranged on the lower end surface of the spray frame, a plurality of ventilation openings are arranged on the spray frame, a dust collecting box is arranged below the electrostatic plate on the device body and movably connected on the device body through sliding grooves on the left side wall and the right side wall of the device body, a filter screen is fixedly arranged at the bottom of the dust collecting box, a water collecting groove is arranged at the bottom of the device body, a water pump is arranged in the water collecting groove, and a, the upper end of the water conveying pipe is fixedly connected to the spraying frame and communicated to each spray head through a water distribution pipe, the upper end of the device body is communicated with a smoke exhaust pipe, the left side of the device body is fixedly connected with an air inlet pipe, and the front wall of the device body is connected with a cover plate through a hinge.

Preferably, a sealing ring is arranged at the joint of the cover plate and the device body.

Preferably, a control panel is arranged on the front wall of the device body.

Preferably, the bottom of the device body is fixedly connected with a supporting leg.

Preferably, the bottom of the supporting leg is fixedly provided with a rubber pad.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model improves the effective path of the flue gas passing through the electrostatic plate through the S-shaped bent flue gas channel arranged on the electrostatic plate, and simultaneously, the S-shaped bent flue gas channel can reduce the circulation speed of the flue gas passing through, thereby greatly improving the dust removal effect of the electrostatic plate when the flue gas passes through;

2. the utility model discloses a water catch bowl and water pump circulate to spray the water after the dust removal filters and recycle, have reduced the waste of water resource, resources are saved, environmental protection can make things convenient for the washing of regularly docking dirt box periodic cleaning and filter screen through the apron simultaneously, improve device life, have simple structure, convenient to use, excellent in use effect's advantage.

Drawings

FIG. 1 is a schematic view of the overall structure of a wet electrostatic precipitator for boiler flue gas of the present invention;

FIG. 2 is a structural diagram of the interior of the device body of the wet electrostatic precipitator for boiler flue gas of the present invention;

fig. 3 is a structural diagram of a spray frame in a wet electrostatic precipitator for boiler flue gas.

In the figure: 1. a device body; 2. a fixed mount; 3. an electrostatic plate; 4. a flue gas channel; 5. a spray rack; 6. a vent; 7. a spray head; 8. a smoke exhaust pipe; 9. a water delivery pipe; 10. a water pump; 11. a dust collecting box; 12. a filter screen; 13. a water collection tank; 14. an air inlet pipe; 15. supporting legs; 16. a cover plate; 17. a seal ring; 18. a control panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a wet electrostatic dust collector for boiler flue gas comprises a device body 1, wherein the device body 1 is a rectangular cavity body with tapered upper and lower end parts, a fixed frame 2 is fixedly arranged in the device body 1, an electrostatic plate 3 is fixedly arranged on the fixed frame 2, a flue gas channel 4 is arranged between a positive polar plate and a negative polar plate on the electrostatic plate 3, the flue gas channel 4 is arranged in an S-shaped bent shape, the effective path of the flue gas passing through the electrostatic plate 3 is improved, meanwhile, the S-shaped bent shape can reduce the flow velocity of the flue gas passing through, the dust collection effect of the electrostatic plate 3 when the flue gas passes through is greatly improved, a spray frame 5 is fixedly connected above the electrostatic plate 3 on the device body 1, a plurality of uniformly distributed spray heads 7 are arranged on the lower end surface of the spray frame 5, a plurality of vent holes 6 are arranged on the spray frame 5, a dust collection box 11 is arranged below the electrostatic plate 3 on the device body 1, the dust collection box 11 is, connect the bottom fixed mounting of dirt box 11 to have

filter screen

12, 1 bottom of device body is provided with water catch bowl 13, be provided with water pump 10 in the water catch bowl 13, water pump 10 fixedly connected with raceway 9, the upper end fixed connection of raceway 9 just communicates to each shower nozzle 7 on spray rack 5 through the distributive pipe, the upper end intercommunication exhaust pipe 8 of

device body

1, 1 left side fixedly connected with intake pipe 14 of device body, be provided with cooling device in the intake pipe 14, be convenient for cool down the high temperature flue gas, prevent that the high temperature flue gas from damaging device body 1, there is apron 16 on the antetheca of device body 1 through hinged joint, it has handle and mechanical lock to set on apron 16, apron 16 is convenient for open the interior dirt box 11 that connects of taking out device body 1, regularly connect dirt box 11 to carry out impurity clearance and filter screen 12 washing.

The joint of the cover plate 16 and the device body 1 is provided with a sealing ring 17, so that the sealing performance of the device is improved, and the leakage of smoke and the environmental pollution are prevented.

The front wall of the device body 1 is provided with a control panel 18, and the control panel 18 is connected with the electrostatic plate 3 and the control end of the water pump 10 through electric wires.

Device 1 bottom fixedly connected with supporting leg 15 of body, supporting leg 15 quantity is 4, is trapezoidal evenly distributed, increases support stability.

The bottom fixed mounting of supporting leg 15 has the rubber pad, and all engraves the slipmat on the rubber pad.

The working principle is as follows: the utility model discloses a during operation, switch on external power supply, use control panel 18, start water pump 10 and electrostatic plate 3, boiler flue gas passes through in the intake pipe 14 entering device body 1, the flue gas rises through flue gas passageway 4 in the

electrostatic plate

3, 3 high-voltage discharge of electrostatic plate form the high-voltage electrostatic field, the dust of flue gas through flue gas passageway 4 is electrified under the effect of high-voltage electrostatic field, adsorb on

electrostatic plate

3, 7 water supplies water through water pump 10 at this moment and sprays the cascade to electrostatic plate 3, the cascade purifies the electrified dust and gathers dust, the cascade of continuous flow brings the dust of collecting into the bottom of device body 1 simultaneously, flow into in water catch bowl 13 after filtering through filter screen 12, spray through water pump 10 circulation, flue gas after removing dust simultaneously is discharged from exhaust pipe 8.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a boiler flue gas wet electrostatic precipitator device, includes device body (1), its characterized in that: the device body (1) is a rectangular cavity body with conical upper and lower end parts, a fixing frame (2) is fixedly installed in the device body (1), an electrostatic plate (3) is fixedly installed on the fixing frame (2), a flue gas channel (4) is arranged between a positive polar plate and a negative polar plate on the electrostatic plate (3), the flue gas channel (4) is arranged in an S-shaped bent shape, an effective path of flue gas passing through the electrostatic plate (3) is improved, meanwhile, the S-shaped bent shape can reduce the circulation speed of the flue gas passing through, the dust removal effect of the electrostatic plate (3) when the flue gas passes through is greatly improved, a spraying frame (5) is fixedly connected above the electrostatic plate (3) of the device body (1), a plurality of uniformly distributed spray heads (7) are installed on the lower end surface of the spraying frame (5), a plurality of ventilation openings (6) are arranged on the spraying frame (5), and a dust receiving box (11) is arranged below the electrostatic plate (3) of the device, the dust collecting box (11) is movably connected to the device body (1) through sliding grooves in the left side wall and the right side wall of the device body (1), a filter screen (12) is fixedly installed at the bottom of the dust collecting box (11), a water collecting tank (13) is arranged at the bottom of the device body (1), a water pump (10) is arranged in the water collecting tank (13), a water conveying pipe (9) is fixedly connected to the water pump (10), the upper end of the water conveying pipe (9) is fixedly connected to the spraying frame (5) and communicated to each spray head (7) through a water dividing pipe, the upper end of the device body (1) is communicated with a smoke exhaust pipe (8), an air inlet pipe (14) is fixedly connected to the left side of the device body (1), a cooling device is arranged on the air inlet pipe (14), high-temperature smoke can be conveniently cooled, the device body (1) is prevented from being damaged by the, a handle and a mechanical lock are arranged on the cover plate (16), the cover plate (16) is convenient for opening the dust collecting box (11) in the taking-out device body (1), and the dust collecting box (11) is cleaned regularly by impurities and the filter screen (12).

2. The wet electrostatic precipitator for boiler flue gas according to claim 1, wherein: and a sealing ring (17) is arranged at the joint of the cover plate (16) and the device body (1).

3. The wet electrostatic precipitator for boiler flue gas according to claim 1, wherein: the front wall of the device body (1) is provided with a control panel (18).

4. The wet electrostatic precipitator for boiler flue gas according to claim 1, wherein: the device body (1) bottom fixedly connected with supporting leg (15).

5. The wet electrostatic precipitator for boiler flue gas according to claim 4, wherein: and rubber pads are fixedly arranged at the bottoms of the supporting legs (15).