CN213644511U

CN213644511U - Transverse polar plate electric dust remover with pre-charging device

Info

Publication number: CN213644511U
Application number: CN202020891622.9U
Authority: CN
Inventors: 李明亮; 陆从相
Original assignee: Yancheng Institute of Industry Technology
Current assignee: Yancheng Institute of Industry Technology
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-07-09
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a transverse polar plate electric dust remover with a pre-charging device, which comprises an air inlet and a dust chamber, wherein the air inlet is connected with the dust chamber, and the dust chamber comprises a first layer of airflow distribution plate, a pre-charging device, a second layer of airflow distribution plate and an electric field which are arranged along the air inlet inwards in parallel and are relatively vertically arranged; the pre-charging device comprises a cathode wire frame, a hanging device, a rapping device and a cathode wire, wherein the hanging device and the rapping device are arranged at the top and the bottom of the cathode wire frame, and two ends of the cathode wire are fixed in the hanging device; the electric field comprises cathode wires and anode plates, and the anode plates are transversely distributed in the electric field; the number of the electric fields is more than one, and the electric fields are sequentially and linearly arranged in the dust removal chamber. The equipment can improve the dust removal efficiency and reduce the investment cost and the operation cost.

Description

Transverse polar plate electric dust remover with pre-charging device

Technical Field

The utility model belongs to the technical field of electrostatic precipitator, concretely relates to area is horizontal polar plate electrostatic precipitator of electric installation in advance.

Background

Among the various types of dust collectors, the electric dust collector is one of the most important dust collecting equipments for treating dust particles in industrial flue gas at present. At present, research on treatment of fine dust becomes a hot spot, manufacturers, universities, research institutes and the like are constantly researching to improve the dust removal efficiency of the fine dust, the dust removal efficiency of a dust remover is improved by changing the structures of electrodes and polar plates, changing the arrangement forms of the electrodes and the polar plates and the like, and the main aim of research work of the electric dust remover is to improve the dust removal efficiency and minimize investment and operation cost. Many electric dust collectors adopt the electric field space of increasing dust collecting equipment to improve dust collecting efficiency, but the equipment is huge, and investment cost is high, and the operation cost is also high.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be not enough to prior art, the utility model provides a horizontal polar plate electrostatic precipitator of electric installation in advance in area can let dusty gas just can be by the electric field in advance, partial dust removal in advance before getting into the electric field space in the electric field space of not increasing dust collecting equipment, and can be by quick absorption to the anode plate after failing to get into first electric field by the dusty granule of the electric charge that airflow distribution plate is absorbent. The equipment can improve the dust removal efficiency and reduce the investment cost and the operation cost.

The utility model discloses a realize through following technical scheme:

a transverse polar plate electric dust remover with a pre-charging device comprises an air inlet and a dust chamber, wherein the air inlet is connected with the dust chamber, and the dust chamber comprises a first layer of airflow distribution plate, a pre-charging device, a second layer of airflow distribution plate and an electric field which are sequentially arranged in parallel along the air inlet in a relatively vertical mode;

the first layer of air flow distribution plate and the second layer of air flow distribution plate are both of plate-shaped structures, and 8 rows of 3 rows of holes with equal size are uniformly distributed on the plate surface;

the pre-charging device comprises a cathode wire frame, a hanging device, a rapping device and a cathode wire, wherein the hanging device and the rapping device are arranged at the top and the bottom of the cathode wire frame, the hanging device is arranged at the inner side of the cathode wire frame, the rapping device is arranged at the outer side of the cathode wire frame, and two ends of the cathode wire are fixed in the hanging device;

the electric field comprises cathode wires and anode plates, and the anode plates are transversely distributed in the electric field; the number of the electric fields is more than one, and the electric fields are sequentially and linearly arranged in the dust removing chamber; the cathode lines are distributed at the front parts of the two sides of the anode plate.

Preferably, the first layer of air flow distribution plate, the pre-charging device and the second layer of air flow distribution plate are welded on an inner steel plate of the dust chamber by bolts.

Preferably, the top and the bottom of the second layer of air flow distribution plate are provided with rapping devices.

Preferably, the cathode wire is a needle punched wire.

Preferably, the cathode wire in the pre-charging device is separately provided with a power supply.

Preferably, the anode plate is a C-type anode plate.

The utility model has the advantages as follows:

1. adopt the utility model discloses a take charge device's transverse polar plate electrostatic precipitator in advance, dusty gas just by the electric charge in advance, partial dust removal in advance before getting into the electric field space, fail to gather into jumbo size granule by the dusty fine particle of the electric charge by the second floor airflow distribution board is adsorbed, can be by rapid absorption to the anode plate after getting into first electric field on, electrostatic precipitator's dust collection efficiency will obtain great improvement.

2. The rapping device mode adopted by the utility model is that the top and the bottom are electromagnetically rapped to clear away dust on the cathode line and the airflow distribution plate, and the dust cleaning effect is good; secondly, the device is easy to install and maintain, and the failure rate is low.

3. The utility model discloses an electric dust remover compares the negative pole line and places the electric dust remover before the anode plate, and dust removal effect and efficiency are higher, can prevent more effectively by the probability of the particle of ionization neutralizing again, and the speed of flowing is hindered for a short time.

Drawings

FIG. 1 is a top view of the overall structure of an electric dust collector with a pre-charging device;

FIG. 2 is an enlarged view of a portion of a clean room;

FIG. 3 is a schematic structural diagram of a first and a second layer of gas flow distribution plates;

FIG. 4 is a schematic diagram of a pre-charging device;

FIG. 5 is a schematic diagram of a first electric field;

in the figure: 1. an air inlet; 2. a dust chamber; 3. a first layer of gas flow distribution plate; 4. a pre-charging device; 5. a second layer of airflow distribution plate; 6. a first electric field; 7. a cathode wire frame; 8. a hanging device; 9. a rapping device; 10. a cathode line; 11. and (4) an anode plate.

Detailed Description

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

Example 1

The utility model provides a take horizontal polar plate electrostatic precipitator of lotus electric installation in advance, as shown in fig. 1, fig. 2, including air inlet 1 and clean room 2, air inlet 1 with clean room 2 links to each other, clean room 2 includes the edge air inlet 1 inwards parallels relative vertical first layer airflow distribution plate 3, lotus electric installation 4 in advance, second floor airflow distribution plate 5 and the first electric field 6 that sets up in proper order.

As shown in fig. 3, the first layer of airflow distribution plate 3 and the second layer of airflow distribution plate 5 are both plate-shaped structures, and 8 rows and 3 rows of holes with the same size are uniformly distributed on the plate surface, and the holes are used for adjusting airflow to make the airflow uniform and adsorbing charged dust.

As shown in fig. 4, the precharge device 4 comprises a cathode line frame 7, a hanging device 8, a rapping device 9 and a cathode line 10, the top and the bottom of the cathode line frame 7 are both provided with the hanging device 8 and the rapping device 9, wherein, the hanging device 8 is arranged in the inner side of the cathode line frame 7, the rapping device 9 is arranged in the outer side of the cathode line frame 7, and the two ends of the cathode line 10 are fixed in the hanging device 8. In the precharge device 4, a power supply is separately provided to the cathode line 10.

As shown in fig. 5, the first electric field 6 includes a cathode line 10 and an anode plate 11, and the anode plate 11 is a C-shaped anode plate, which is laterally distributed in the electric field. The first electric field 6 is used as the starting point and the reference, the number of the electric fields is more than one, and the electric fields are sequentially arranged in a linear shape in the dust chamber 2; the cathode lines 10 are distributed at the front parts of both sides of the anode plate 11.

In a preferred embodiment, as shown in fig. 2, the first layer of airflow distribution plate 3, the precharge device 4 and the second layer of airflow distribution plate 5 are all welded to the inner steel plate of the dust chamber 2 by bolts. Rapping devices 9 are arranged at the top and the bottom of the second layer of the air flow distribution plate 5.

In a preferred embodiment, the cathode lines 10 are all made of needle punched lines.

An operation process of a transverse polar plate electric dust remover with a pre-charging device comprises the following specific steps:

the dust-containing gas enters the dust removing chamber 2 from the gas inlet 1, the flow velocity of the dust-containing gas flow is uniform through the first layer of gas flow distribution plate 3, and then the dust-containing gas enters the pre-charging device 4, so that part of the dust-containing gas is pre-charged, and part of the charged dust particles are adsorbed on the second layer of gas flow distribution plate 5; the charged dust-containing fine particles which are not adsorbed by the second layer of airflow distribution plate 5 are gathered into large-size particles, and the charged large-size particles enter the first electric field 6 and are rapidly adsorbed on the anode plate 11 or are rapidly adsorbed on the anode plate 11 after being charged; dust particles which are not charged in the pre-charging device 4 are gradually charged in the first electric field 6 and the subsequent electric field, are gathered and adsorbed on the anode plate 11, and dust removal is realized.

Claims

1. The transverse polar plate electric dust remover with the pre-charging device is characterized by comprising an air inlet and a dust chamber, wherein the air inlet is connected with the dust chamber, and the dust chamber comprises a first layer of airflow distribution plate, the pre-charging device, a second layer of airflow distribution plate and an electric field which are arranged inwards along the air inlet in parallel and relatively vertically;

2. The electrostatic precipitator with the transverse polar plate of the pre-charging device of claim 1, wherein the first layer of the airflow distribution plate, the pre-charging device and the second layer of the airflow distribution plate are welded on an inner steel plate of the dust chamber by bolts.

3. The transverse-electrode-plate electric dust collector with the pre-charging device according to claim 1, wherein the rapping devices are arranged at the top and the bottom of the second layer of the airflow distribution plate.

4. The transverse plate electric dust remover with the pre-charging device according to claim 1, wherein the cathode wire is a needle punched wire.

5. The transverse plate electric dust remover with the pre-charging device as claimed in claim 1, wherein a power supply is separately added to a cathode wire in the pre-charging device.

6. The transverse-plate electric dust remover with the pre-charging device according to claim 1, wherein the anode plate is a C-shaped anode plate.