CN211838480U

CN211838480U - Electric dust collector with pre-charging device

Info

Publication number: CN211838480U
Application number: CN202020350374.7U
Authority: CN
Inventors: 李明亮; 陆从相
Original assignee: Yancheng Institute of Industry Technology
Current assignee: Yancheng Institute of Industry Technology; Yancheng Vocational Institute of Industry Technology
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-11-03
Anticipated expiration: 2030-03-19

Abstract

The utility model discloses an electric dust collector with a precharge 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 precharge device, a second layer of airflow distribution plate and an electric field which are arranged vertically along the air inlet inwards in turn; 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

Electric dust collector with pre-charging device

Technical Field

The utility model belongs to the technical field of electrostatic precipitator, concretely relates to electrostatic precipitator with charge device 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 take electrostatic precipitator of electric installation in advance can let dusty gas just can be by the electricity in advance, partial dust removal in advance before getting into the electric field space in the electric field space when not increasing dust collecting equipment's electric field space, and can be by rapid absorption to the anode plate after failing by the adsorbed dusty granule that is the lotus of air distribution plate to get into first electric field. 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:

an electric dust collector 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 arranged inwards along the air inlet in parallel and are relatively vertical;

the first layer of air flow distribution plate and the second layer of air flow distribution plate are both of plate-shaped structures, and more than one hole is distributed on the plate surface in a staggered manner;

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 removal chamber.

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

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.

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

1. the electric dust collector with the pre-charging device is adopted for dust removal, dust-containing gas is pre-charged and partially pre-removed before entering an electric field space, charged dust-containing fine particles which are not adsorbed by the second layer of air flow distribution plate are gathered into large-size particles, and can be rapidly adsorbed on an anode plate after entering a first electric field, so that the dust collection efficiency of the electric dust collector is greatly improved;

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.

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 electrostatic precipitator of precharge electric installation, 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, precharge electric installation 4, 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 more than one hole is distributed on the plate surface in a staggered manner, 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.

In a preferred embodiment, as shown in fig. 2, the first layer of airflow distribution plate 3, the pre-charging device 4, and the second layer of airflow distribution plate 5 are fixed on an inner steel plate of the dust chamber 2 by screws. 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 an electric dust collector with a pre-charging device comprises the following 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. An electric dust collector with a 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 air flow distribution plate, a pre-charging device, a second layer of air flow distribution plate and an electric field which are arranged inwards along the air inlet in parallel and are relatively vertical;

2. The electric dust collector with the pre-charging device according to claim 1, wherein the first layer of air flow distribution plate, the pre-charging device and the second layer of air flow distribution plate are fixed on an inner steel plate of the dust chamber by screws.

3. An electric dust collector with a pre-charging device according to claim 1, wherein the rapping devices are arranged at the top and the bottom of the second layer of air flow distribution plate.

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

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