CN211756004U

CN211756004U - Electrostatic dust collector

Info

Publication number: CN211756004U
Application number: CN202020248057.4U
Authority: CN
Inventors: 吕君; 赵鹏; 赵甜甜; 田博文; 姜宝龙; 刘涛; 宋同健; 刘頔; 李佳雨
Original assignee: Weihai Mingchuan Automotive Technology Co ltd
Current assignee: Weihai Mingchuan Automotive Technology Co ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-10-27
Anticipated expiration: 2030-03-03

Abstract

The utility model discloses an electrostatic precipitator device, include: the dust collecting tube, the corona electrode, the end cover and the dust cover; the dust collecting pipe is sleeved on the outer side of the corona electrode, the end cover is installed at the end part of the dust collecting pipe, and the corona electrode is installed on the end cover and extends in the dust collecting pipe; the end cover is provided with a tubular extension part extending into the inner cavity of the dust collecting pipe, and the tubular extension part is sleeved on the outer side of the corona electrode; the dust cover is arranged in the dust collecting pipe and covers the outer side of the tubular extension part, and the dust cover and the end cover are configured to be spaced to form a spacing space. The utility model provides an electrostatic precipitator device, through the setting of end cover tubulose extension and dust cover, can form the relative just isolation space that overlaps of two openings, can carry out effectual dustproof to accept in wherein corona electrode part and collets part to can avoid the electrostatic precipitator device short circuit that causes because of conductive particle's pollution in the waste gas.

Description

Electrostatic dust collector

Technical Field

The utility model belongs to the technical field of electrostatic precipitator, concretely relates to electrostatic precipitator device.

Background

The diesel engine tail gas particulate matter processing apparatus who utilizes electrostatic absorption's principle design is equipped with electrostatic field generating device inside. Rely on the insulator to keep apart usually between electrostatic field generating device's the positive negative pole, produce the electrostatic field between electrostatic field generating device's positive negative pole, there are conductive particle in the tail gas particulate matter, when diesel engine tail gas passes through the electrostatic field, because the insulator exposes in tail gas, conductive particle wherein can be covered with the insulator gradually, causes electrostatic field generating device short circuit, and the electrostatic field will disappear after the short circuit to the influence is to the treatment effect of tail gas particulate matter. A structure is required for protection against such a short circuit.

Therefore, in view of the above technical problems, there is a need for a new electrostatic precipitator.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electrostatic precipitator device that can effectively prevent the conductive particle pollution among the tail gas particulate matter to solve the problem among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

an electrostatic precipitator device comprising: the dust collector comprises an end cover, a dust collecting pipe and a corona electrode, wherein the dust collecting pipe is connected with one pole of a power supply;

the dust collecting pipe is sleeved on the outer side of the corona electrode, the end cover is installed at the end part of the dust collecting pipe, and the corona electrode is installed on the end cover and extends in the dust collecting pipe;

the end cover is provided with a tubular extension part extending into the inner cavity of the dust collecting pipe, and the tubular extension part is sleeved on the outer side of the corona electrode;

the dust cover is arranged in the dust collecting pipe and covers the outer side of the tubular extension part, and the dust cover and the end cover are configured to be spaced to form a spacing space.

Furthermore, still be equipped with the insulating block on the end cover, the tip of corona electrode install in on the insulating block.

Further, the insulating block has a tubular projection projecting into the tubular extension, and the tubular projection is sleeved outside the corona electrode.

Further, be equipped with one on the dust cover with the sleeve pipe that matches is extremely gone up to corona, the sleeve pipe cover is located on the corona electrode, in order to incite somebody to action the dust cover install in on the corona electrode.

Furthermore, one end of the sleeve is arranged on the dust cover, and the other end of the sleeve is arranged on the insulating block.

Furthermore, a plurality of through holes are arranged on the dust collecting pipe.

Further, the dust collecting pipe is used for being connected with the positive pole of power, corona electrode is used for being connected with the negative pole of power.

Further, the dust collecting pipe, the corona electrode, the tubular extension portion, and the dust cover are all configured in a cylindrical shape with central axes thereof coinciding with each other.

The utility model discloses beneficial effect:

compared with the prior art, the utility model provides an electrostatic precipitator device, through the setting of end cover tubulose extension and dust cover, can form the relative just isolation space that overlaps of two openings, can carry out effectual dustproof to accept corona electrode part wherein and collets part to can avoid the electrostatic precipitator device short circuit that causes because of conductive particle's pollution in the waste gas.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a sectional view of a part of the structure of an electrostatic precipitator according to an embodiment of the present application.

Description of reference numerals: 10. a dust collecting pipe; 11. a through hole; 20. an end cap; 21. a tubular extension; 30. an insulating block; 31. a tubular projection; 40. a corona electrode; 50. a dust cover; 51. a bottom wall; 52. a side wall; 53. a sleeve.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and the structural, method, or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In the illustrated embodiment, directional references, i.e., up, down, left, right, front, rear, etc., are relative to each other and are used to explain the relative structure and movement of the various components in the present application. These representations are appropriate when the components are in the positions shown in the figures. However, if the description of the location of an element changes, it is believed that these representations will change accordingly.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, an electrostatic precipitator according to an embodiment of the present invention includes: dust collection tube 10, corona electrodes 40, end cap 20, and dust shield 50.

The dust collecting pipe 10 is configured in a cylindrical shape and is sleeved outside the corona electrode 40; the dust tube 10 is used to connect to the positive pole of a power source. The dust collecting tube 10 has a cylindrical inner cavity, and a plurality of through holes 11 communicated with the inner cavity of the dust collecting tube 10 are formed on the dust collecting tube 10. The arrangement of the through holes 11 configured to be evenly distributed on the wall of the dust collecting pipe 10 is advantageous in dispersing the air flow so that the air flow can pass through the dust collecting pipe 10 more evenly.

The end caps 20 are configured to be fitted to the ends of the dust collecting pipe 10 and are mounted to both ends of the dust collecting pipe 10. The end cap 20 has a tubular extension 21 extending from its inner wall into the interior cavity of the dust tube 10. The tubular extension 21 is configured in a cylindrical shape, and a central axis of the tubular extension 21 coincides with a central axis of the dust collection pipe 10. A mounting hole for mounting the insulating block 30 is further opened in the end cap 20 at a position corresponding to the tubular extension 21, and the hole diameter of the mounting hole is configured to be smaller than the inner diameter of the tubular extension 21.

The end cap 20 is also provided with an insulating block 30 for mounting the corona electrode 40. The insulating block 30 has a cylindrical tubular projection 31 projecting from the mounting hole of the end cap 20 into the tubular extension 21, the outer diameter of the tubular projection 31 coinciding with the inner diameter of the mounting hole, and the central axis of the tubular projection 31 coinciding with the central axis of the tubular extension 21 of the end cap 20.

The corona electrode 40 is configured in a cylindrical shape and extends in the inner cavity of the dust collecting pipe 10 in the axial direction of the dust collecting pipe 10; the corona electrode 40 is for connection to the negative pole of the power supply. The corona electrode 40 is connected with the negative electrode of the power supply mainly because the moving speed of negative ions is higher than that of positive ions, the negative corona can generate higher corona current, and the breakdown voltage of the corona electrode is also much higher; meanwhile, the existence time of negative ions in the air is longer than that of positive ions. The two ends of the corona electrode 40 are respectively connected with the insulating blocks 30, and the tubular protruding parts 31 of the insulating blocks 30 are sleeved outside the ends of the corona electrode 40, so that the corona electrode 40 is mounted on the end cover 20 through the insulating blocks 30. Preferably, the central axis of the corona electrode 40 is arranged to coincide with the central axis of the tubular projection 31 of the insulating block 30.

The dust cover 50 is configured in a cylindrical shape with an opening at one end, and a bottom wall 51 and a side wall 52 of the dust cover jointly enclose a cylindrical cavity. The outer diameter of the dust cover 50 is configured to be smaller than the inner diameter of the dust collection tube 10, and the inner diameter of the dust cover 50 is configured to be larger than the outer diameter of the tubular extension 21 of the end cap 20. The dust cover 50 is provided inside the dust collecting pipe 10, and is open toward the end cap 20 to cover the outside of the tubular extension 21 of the end cap 20. Wherein the bottom wall 51 and the side wall 52 of the dust cover 50 are spaced from the end cap 20 to form a space similar to a "U" in cross section.

Specifically, a sleeve 53 matched with the corona electrode 40 is arranged on the bottom wall 51 of the dust cover 50, and the sleeve 53 is sleeved on the outer surface of the corona electrode 40 so as to mount the dust cover 50 on the corona electrode 40. One end of the sleeve 53 is arranged on the dust cover 50 and penetrates through the bottom wall 51 of the dust cover 50, and the other end of the sleeve 53 is arranged on the insulating block 30; such that the portion of the corona electrodes 40 located between the bottom wall 51 of the dust shield 50 and the insulator block 30 is covered by the sleeve 53. Preferably, the central axes of the dust shield 50 and the sleeve 53 are each configured to coincide with the central axis of the corona electrode 40.

In other embodiments, each component in the electrostatic precipitator may be configured in other shapes as long as the technical effects of the present invention can be achieved; the connection relationship between the dust collecting pipe 10 and the corona pole 40 of the electrostatic dust collector and the positive pole of the power supply can be reversed, namely, the dust collecting pipe 10 is used for connecting the negative pole of the power supply, and the corona pole 40 is used for connecting the positive pole of the power supply.

The utility model provides an electrostatic precipitator device, through the setting of end cover 20 tubulose extension 21 and dust cover 50, can form the relative just isolation space that overlaps of two openings, can carry out effectual dustproof to accept in corona pole 40 part wherein and collets 30 part to can avoid the electrostatic precipitator device short circuit that causes because of conductive particle's pollution in the waste gas.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An electrostatic precipitator, comprising: the dust collector comprises an end cover, a dust collecting pipe and a corona electrode, wherein the dust collecting pipe is connected with one pole of a power supply;

2. The electrostatic precipitator of claim 1 wherein an insulator block is further provided on the end cap, and the end of the corona electrode is mounted on the insulator block.

3. An electrostatic precipitator according to claim 2, wherein the insulator block has a tubular projection projecting into the tubular extension, the tubular projection being sleeved outside the corona electrode.

4. The electrostatic precipitator of claim 2 wherein the dust cover is provided with a sleeve matching the corona electrode, the sleeve is sleeved on the corona electrode to mount the dust cover on the corona electrode.

5. An electrostatic precipitator according to claim 4, wherein one end of the sleeve is provided on the dust cap and the other end of the sleeve is provided on the insulating block.

6. An electrostatic precipitator according to claim 1, wherein a plurality of through holes are provided in the dust collecting pipe.

7. An electrostatic precipitator according to claim 1, wherein the dust collecting tube is adapted to be connected to a positive pole of a power supply and the corona pole is adapted to be connected to a negative pole of the power supply.

8. The electrostatic precipitator of claim 1 wherein the dust collection tube, corona electrodes, tubular extensions and dust shield are all configured to be cylindrical and have their central axes coincident with each other.