CN211303423U

CN211303423U - Electrostatic dust collector

Info

Publication number: CN211303423U
Application number: CN201922120478.9U
Authority: CN
Inventors: 李海周; 李鑫鑫
Original assignee: Shanghai Yuechan Environmental Protection Technology Co Ltd
Current assignee: Shanghai Yuechan Environmental Protection Technology Co Ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-08-21
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses an electrostatic precipitator relates to dust collector technical field, aim at solving current electrostatic precipitator and hit the mode of piling up the dust on the anode plate through rapping device and can't break away from the technical problem of anode plate completely with the dust, its technical scheme main points are, at first open the ash bucket through the valve, then start the driving piece, the slider removes along the length direction of butt joint plate, clean scraper blade butt is on the lateral wall of anode plate this moment, and remove along the length direction of anode plate under the drive of driving piece, clean scraper blade scrapes the dust on the anode plate lateral wall to ash bucket department at the removal in-process, and inside the whole dust remover of discharging from the fill mouth department of ash bucket, in order to reach the dust that the anode plate was clear away completely, ensure the electrically conductive adsorption capacity's of anode plate purpose.

Description

Electrostatic dust collector

Technical Field

The utility model relates to a dust collector technical field, more specifically say, it relates to an electrostatic precipitator.

Background

The electrostatic dust collector ionizes the smoke by using a high-voltage electric field, and the charged dust in the airflow is separated from the gas under the action of the electric field; the cathode is made of metal wires with different end shapes, called discharge electrode, the electrostatic precipitator is internally provided with a power supply for supplying power to the discharge electrode, the anode is made of metal plates with different geometric shapes, called dust collecting electrode, and the dust collecting electrode is grounded, so that an electric field enough for ionizing gas is formed between the cathode and the anode.

The prior Chinese patent with the publication number of CN204485560U discloses an electrostatic dust collector, which comprises a shell, wherein one end of the shell is provided with an air inlet, the other end of the shell is provided with an air outlet, an ash bucket for discharging dust is arranged below the shell, a dust removing area is arranged in the shell, an anode plate and a cathode lead are arranged in the dust remover, the anode is parallel to the direction of air flow, the cathode lead is perpendicular to the direction of the air flow, a rapping connecting rod is arranged in the shell, and the rapping connecting rod is connected with the anode plate; in the working process, the grounding of the anode plate is used for establishing a dust removal electric field between the dust removal area and the cathode plate, at the moment, airflow enters the shell from the air inlet and flows between the anode plate and the cathode plate, dust is ionized to be charged with negative electricity and is deposited on the anode plate, and gas which is separated from the dust is discharged from the air outlet, so that the dust removal of the gas is realized; when the dust on the anode plate reaches a certain thickness, the dust is vibrated down by the vibrating connecting rod and is discharged from the dust hopper.

When the dust of the anode plate and the cathode lead reaches a certain thickness, the dust accumulated on the anode plate is vibrated down and enters the dust hopper through the vibrating connecting rod, so that the whole dust remover is discharged from the lower port of the dust hopper.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an electrostatic precipitator, it has the dust accumulation volume that can further reduce on the anode plate, improves the advantage of dust removal reliability.

In order to achieve the above purpose, the utility model provides a following technical scheme:

an electrostatic dust collector comprises a shell, wherein an air inlet pipe is arranged at the upper end of the shell, an air outlet is arranged at the lower end of the shell and positioned at one side of the shell, an ash bucket used for discharging dust is arranged at the lower end of the shell, and a valve used for controlling the ash bucket to open and close is arranged on the side wall of the shell; the shell is internally provided with a mounting plate, a cathode plate and two anode plates are arranged on the mounting plate, and the cathode plate is positioned between the two anode plates; the length directions of the cathode plate and the two anode plates are both arranged along the moving direction of the gas; the lower surface of the mounting plate and the position close to each anode plate are respectively provided with a butt plate, and the length of each butt plate is greater than that of the anode plate; the side wall of each butt joint plate is respectively provided with a butt joint groove in a concave mode along the thickness direction of the butt joint plate, a driving piece is arranged in each butt joint groove, and a storage battery for providing power for the driving piece is arranged in each butt joint plate; be provided with the sliding block on the driving piece, each the lateral wall of sliding block is provided with the butt joint pole respectively, each the lateral wall that the sliding block direction was kept away from to the butt joint pole is provided with the cleaning scraper blade that is used for striking off anode plate lateral wall dust respectively.

Through adopting above-mentioned technical scheme, at first open the ash bucket through the valve, then start the driving piece, the sliding block moves along the length direction of butt joint plate, and clean scraper blade butt is on the lateral wall of anode plate this moment to the length direction of anode plate removes under the drive of driving piece, and clean scraper blade is at the dust on the removal in-process anode plate lateral wall and is scraped off to ash bucket department, and inside the whole dust remover of bucket mouth department discharge of ash bucket, discharge from gas outlet department with the gas of dust separation.

Further, the driving piece is a linear motor capable of controlling the sliding block to reciprocate in the length direction of the butt joint groove.

By adopting the technical scheme, the linear motor can realize the automatic reciprocating sliding of the sliding block along the length direction of the butt joint groove.

Furthermore, the cross section of each anode plate is arc respectively, each cleaning scraper blade respectively includes the connecting plate and the arc with the arc looks adaptation of anode plate, arc integrated into one piece is in the one end of connecting plate.

Through adopting above-mentioned technical scheme, can increase the adsorption area of anode plate to the dust for the arc with the cross-sectional design of anode plate, clean scraper blade is including the arc with the arc radian looks adaptation of anode plate simultaneously to be used for scraping the dust on the anode plate better.

Furthermore, movable grooves are respectively formed in the side wall, facing the direction of the connecting plate at the corresponding position, of each butt joint rod, one end of each connecting plate is respectively provided with a rotating shaft, each rotating shaft is respectively and rotatably connected in each movable groove, and the size of a notch of each movable groove is larger than the thickness of each connecting plate; and springs are respectively arranged on the inner side walls of the movable grooves, and one ends of the springs, far away from the direction of the movable grooves, are respectively welded with the outer side walls of the connecting plates.

By adopting the technical scheme, the size of the notch of the movable groove is larger than the thickness of the connecting plate, so that the connecting plate can rotate along the circumferential direction of the rotating shaft; the spring is compressed in the process that the arc-shaped plate abuts against the side wall of the anode plate and moves downwards, and then the arc-shaped plate can be separated from the anode plate in the rear process of movement because the length of the butt plate is greater than that of the anode plate, the spring rebounds, and the whole cleaning scraper shakes under the elastic action, so that dust adhered to the arc-shaped plate can be shaken off to the ash hopper opening to be discharged.

Furthermore, the lower end face of each anode plate is provided with a guide face convenient for the arc-shaped plate to be abutted fast.

By adopting the technical scheme, because the length of the butt joint plate is greater than that of the anode plate, the arc plate can be separated from the anode plate and then moves downwards for a certain distance after moving, and then the arc plate can move upwards quickly and abut against the side wall of the anode plate through the guide surface in the process of moving upwards back and forth of the arc plate.

Furthermore, each arc-shaped plate side wall and the position on the arc surface are respectively provided with a rubber strip.

Through adopting above-mentioned technical scheme for the protection anode plate lateral wall reduces the scraping degree of arc to the anode plate lateral wall.

Further, a cavity is respectively arranged inside each rubber strip.

By adopting the technical scheme, the rubber strip is softer, so that the contact area between the arc-shaped plate and the anode plate can be increased, and the arc-shaped plate can fully scrape dust on the anode plate; and simultaneously, the resistance of the arc-shaped plate to move upwards along the guide surface and abut against the side wall of the anode plate can be further reduced.

Furthermore, the outer side wall of the butt joint plate is symmetrically provided with sliding strip holes, two sliding strip holes are connected with an organ protective cover in a sliding mode together, one end of the organ protective cover is bonded to the inner side wall of each sliding strip hole, and the other end of the organ protective cover is bonded to the side wall of the sliding block.

Through adopting above-mentioned technical scheme, when the gas that is smuggleing the dust secretly gets into inside the dust remover from the intake pipe, easily exist the part by still not getting into the butt joint inslot by the ionization to fall on the dust on the driving piece, this kind of condition can influence the smooth and easy removal of the drive end of driving piece to a certain extent, protects the driving piece through adding the organ guard plate of establishing.

To sum up, the utility model discloses following beneficial effect has:

1. firstly, opening an ash hopper through a valve, then starting a driving part, moving a sliding block along the length direction of a butt joint plate, abutting a cleaning scraper on the side wall of an anode plate at the moment, moving along the length direction of the anode plate under the driving of the driving part, scraping dust on the side wall of the anode plate to the ash hopper in the moving process of the cleaning scraper, discharging the dust in the whole dust remover from the hopper opening of the ash hopper, and discharging gas separated from the dust from an air outlet;

2. the size of the notch of the movable groove is larger than the thickness of the connecting plate, so that the connecting plate can rotate along the circumferential direction of the rotating shaft; the spring is compressed in the process that the arc-shaped plate abuts against the side wall of the anode plate and moves downwards, and then the arc-shaped plate can be separated from the anode plate in the rear process of movement because the length of the butt plate is greater than that of the anode plate, the spring rebounds, and the whole cleaning scraper shakes under the elastic action, so that dust adhered to the arc-shaped plate can be shaken off to the ash hopper opening to be discharged.

Drawings

FIG. 1 is a schematic structural diagram of an electrostatic precipitator according to an embodiment;

FIG. 2 is a plan view showing a positional relationship between an anode plate and a cathode plate in the embodiment;

FIG. 3 is an exploded view showing the positional relationship between the docking plate and the cleaning blade in the embodiment;

fig. 4 is a sectional view for showing a positional relationship between the docking lever and the cleaning blade in the embodiment.

In the figure: 1. a housing; 11. an air inlet pipe; 12. an air outlet; 13. an ash hopper; 14. a valve; 15. a support bar; 2. mounting a plate; 21. mounting a bar; 211. a cathode plate; 212. an anode plate; 2121. a guide surface; 3. a butt plate; 31. a butt joint groove; 311. a drive member; 3111. a sliding block; 32. a sliding strip hole; 321. an organ shield; 4. a docking rod; 41. a movable groove; 411. a rotating shaft; 4111. a spring; 4112. a cleaning blade; 4113. an arc-shaped plate; 4114. a connecting plate; 5. a rubber strip; 51. a cavity.

Detailed Description

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

Example (b):

an electrostatic precipitator, referring to fig. 1, includes a housing 1, the upper portion of the housing 1 is cylindrical, the lower end of the housing 1 is provided with an ash bucket 13 for discharging dust in a penetrating manner, the side wall of the ash bucket 13 is welded with three support rods 15 for supporting the housing 1, a valve 14 for controlling the opening and closing of the ash bucket 13 is arranged below the ash bucket 13, and the valve 14 in this embodiment is a ball valve; an air outlet 12 is arranged on the side wall of the shell 1 and below the side wall, and an air inlet pipe 11 is inserted through the upper end of the shell 1.

Referring to fig. 1 and 2, an annular mounting plate 2 is welded on the inner side wall of a shell 1 along the circumferential direction, a mounting bar 21 is integrally formed on the inner side wall of the mounting plate 2, a cathode plate 211 is arranged on the lower surface of the mounting bar 21, the cathode plate 211 is made by combining a plurality of metal wires, a power supply (not shown in the figure) for supplying power to the cathode plate 211 is arranged inside the shell 1, and electric wires are laid inside the mounting plate 2 for connecting the cathode plate 211 and the power supply together; the lower surface of the mounting plate 2 is uniformly provided with two metal anode plates 212 along the circumferential direction, the sections of the two anode plates 212 are both arc-shaped, and the cathode plate 211 is positioned between the two anode plates 212; the two anode plates 212 are grounded, a power supply connected with the cathode plate 211 is started, an electric field capable of ionizing gas is formed between the anode plates 212 and the cathode plate 211 through high-voltage direct current, dust passing through the electric field is ionized and negatively charged, the grounded anode plates 212 adsorb the negatively charged dust on the side walls of the anode plates 212 by utilizing the electrostatic force action, so that the dust is deposited, and the gas separated from the dust is discharged from the gas outlet 12.

Referring to fig. 2 and 3, the lower surface of the mounting plate 2 and the vicinity of each anode plate 212 are respectively welded with a butt plate 3, and the length of each butt plate 3 is greater than that of the anode plate 212; the structure of one of the butt-joint plates 3 and the connection relationship with the anode plate 212 will be described in detail below. The side wall of the butt-joint plate 3 facing the anode plate 212 is concavely provided with a butt-joint groove 31, and the butt-joint groove 31 is arranged along the length direction of the butt-joint plate 3; a driving member 311 is embedded in the docking slot 31, the driving member 311 is a linear motor, and a storage battery (not shown in the figure) for supplying power to the driving member 311 is arranged in the docking plate 3; the outer side wall of the moving end of the driving part 311 is fixedly connected with a sliding block 3111 through a screw, and the sliding block 3111 is driven by the moving end of the driving part 311 to do automatic reciprocating motion along the length direction of the butt plate 3.

Referring to fig. 2 and 3, the sliding bar holes 32 are symmetrically formed in the outer side wall of the docking plate 3 and located on both sides of the docking slot 31, an organ shield 321 is connected between the two sliding bar holes 32 in a sliding manner, one end of the organ shield 321 is adhered to the inner side walls of the two sliding bar holes 32, the other end of the organ shield 321 is adhered to the lower surface of the sliding block 3111, the organ shield 321 can extend and retract along with the up-and-down sliding of the sliding block 3111 to protect the driving member 311, and therefore part of the missing dust which is not ionized falls into the docking slot 31 in the moving process along with the gas, and smooth movement of the moving end of the driving member 311 is affected.

Referring to fig. 2 to 4, a butt-joint rod 4 is welded on the outer side wall of the sliding block 3111, a movable groove 41 is formed in the side wall of the butt-joint rod 4 facing the anode plate 212 and is radially recessed along the side wall, a rotating shaft 411 is rotatably connected in the movable groove 41, a cleaning scraper 4112 is arranged on the outer side wall of the rotating shaft 411, the cleaning scraper 4112 comprises a connecting plate 4114 and an arc plate 4113, one end of the connecting plate 4114 is fixedly sleeved on the rotating shaft 411, the size of a notch of the movable groove 41 is larger than the thickness of the connecting plate 4114, springs 4111 are respectively welded on the upper side wall and the lower side wall in the movable groove 41, and one ends of the two springs 4111; one end of the connecting plate 4114, which is far away from the direction of the butt-joint rod 4, is integrally formed with the arc plate 4113, and the radian of the arc plate 4113 is matched with the radian of the arc surface of the anode plate 212; the arc plate 4113 abuts against the side wall of the anode plate 212, then the driving part 311 is started, the driving part 311 drives the whole cleaning scraper 4112 to move along the length direction of the anode plate 212, at this time, the spring 4111 deforms, the arc plate 4113 scrapes off dust accumulated on the side wall of the anode plate 212 and enables the dust to fall into the dust hopper 13, and the valve 14 at the dust hopper 13 is opened so as to discharge the dust out of the dust remover; because the length of butt joint plate 3 is greater than the length of anode plate 212, consequently arc 4113 can roll off anode plate 212 under the drive of driving piece 311, and arc 4113 loses the butt joint with anode plate 212 this moment, and spring 4111 rebounds, and whole cleaning scraper 4112 receives the spring action and shakes along rotation axis 411 circumference to make the part dust of adhesion on arc 4113 shaken off in dust hopper 13, reduce the accumulation of the dust of anode plate 212 lateral wall.

Referring to fig. 2 to 4, the lower end of the anode plate 212 is provided with a guide surface 2121 so that the cleaning blade 4112 moves up quickly and abuts against the side wall of the anode plate 212; rubber strips 5 are adhered to the arc surface of the arc plate 4113 along the radian direction of the arc plate to protect the anode plate 212, so that the arc plate 4113 is prevented from scraping the side wall of the anode plate 212 to influence the conductivity of the anode plate 212; the inside cavity 51 that is provided with of rubber strip 5 to make rubber strip 5 more soft, increase the butt area of arc 4113 and anode plate 212, also can further accelerate the arc 4113 to move up and the butt on anode plate 212 simultaneously.

The working principle is as follows:

after the electrostatic precipitator is used to adsorb the dust on the side wall of the anode plate 212, the two driving members 311 are electrically connected, and the driving members 311 are started to drive the arc plates 4113 at the corresponding positions to scrape the dust from the upper end of the anode plate 212 along the length direction of the anode plate 212, so that the springs 4111 deform; when the arc plate 4113 moves downwards to be separated from the anode plate 212, the spring 4111 rebounds and drives the cleaning scraper 4112 to shake, so that dust adhered to the arc plate 4113 is shaken off to the hopper opening of the dust hopper 13, and finally the valve 14 at the dust hopper 13 is opened to discharge the dust out of the electrostatic precipitator, so that the purpose of reducing the accumulation amount of the dust on the side wall of the anode plate 212 is achieved.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. An electrostatic dust collector comprises a shell (1), wherein an air inlet pipe (11) is arranged at the upper end of the shell (1), an air outlet (12) is arranged at the lower end of the shell (1) and positioned at one side of the shell, an ash bucket (13) used for discharging dust is arranged at the lower end of the shell (1), and a valve (14) used for controlling the opening and closing of the ash bucket (13) is arranged on the side wall of the shell (1); the gas-liquid separator is characterized in that a mounting plate (2) is arranged in the shell (1), a cathode plate (211) and two anode plates (212) are arranged on the mounting plate (2), the cathode plate (211) is located between the two anode plates (212), and the length directions of the cathode plate (211) and the two anode plates (212) are arranged along the moving direction of gas; the method is characterized in that: the lower surface of the mounting plate (2) is provided with a butt plate (3) near each anode plate (212), and the length of each butt plate (3) is greater than that of the anode plate (212); the side wall of each butt joint plate (3) is respectively provided with a butt joint groove (31) in a concave mode along the thickness direction of the butt joint plate, a driving piece (311) is arranged in each butt joint groove (31), and a storage battery for providing power for the driving piece (311) is arranged in each butt joint plate (3); be provided with sliding block (3111) on driving piece (311), each sliding block (3111)'s lateral wall is provided with butt joint pole (4) respectively, each butt joint pole (4) keep away from sliding block (3111) side wall and be provided with respectively and be used for scraping clean scraper blade (4112) of anode plate (212) lateral wall dust.

2. An electrostatic precipitator in accordance with claim 1, wherein: the driving piece (311) is a linear motor capable of controlling the sliding block (3111) to reciprocate in the length direction of the butt joint groove (31).

3. An electrostatic precipitator in accordance with claim 1, wherein: each the cross-section of anode plate (212) is the arc respectively, each cleaning blade (4112) include respectively connecting plate (4114) and with arc (4113) of the cambered surface looks adaptation of anode plate (212), arc (4113) integrated into one piece is in the one end of connecting plate (4114).

4. An electrostatic precipitator in accordance with claim 3, wherein: each butt joint rod (4) is provided with a movable groove (41) on the side wall facing the direction of the connecting plate (4114) at the corresponding position, one end of each connecting plate (4114) is provided with a rotating shaft (411), each rotating shaft (411) is rotatably connected in the movable groove (41), and the size of the notch of each movable groove (41) is larger than the thickness of the connecting plate (4114); each be provided with spring (4111) on the inside wall of activity groove (41) respectively, each one end that activity groove (41) direction was kept away from in spring (4111) welds with connecting plate (4114) outside lateral wall respectively.

5. An electrostatic precipitator in accordance with claim 3, wherein: the lower end face of each anode plate (212) is provided with a guide face (2121) which is convenient for the arc-shaped plate (4113) to be abutted fast.

6. An electrostatic precipitator in accordance with claim 5, wherein: each arc plate (4113) side wall is provided with a rubber strip (5) at the position of the arc surface.

7. An electrostatic precipitator in accordance with claim 6, wherein: and a cavity (51) is respectively arranged in each rubber strip (5).

8. An electrostatic precipitator in accordance with claim 1, wherein: the outer side wall of the butt joint plate (3) is symmetrically provided with sliding strip holes (32), two sliding strip holes (32) are connected with an organ protective cover (321) in a sliding mode, one end of the organ protective cover (321) is bonded to the inner side wall of the sliding strip hole (32), and the other end of the organ protective cover is bonded to the side wall of the sliding block (3111).