CN218654937U

CN218654937U - Spiral cathode wire for wet electrostatic dust collector

Info

Publication number: CN218654937U
Application number: CN202222623422.7U
Authority: CN
Inventors: 陈校; 张毅; 张磊
Original assignee: Wuxi Xinchangyuan Equipment Manufacturing Co ltd
Current assignee: Wuxi Xinchangyuan Equipment Manufacturing Co ltd
Priority date: 2022-10-05
Filing date: 2022-10-05
Publication date: 2023-03-21
Anticipated expiration: 2032-10-05

Abstract

The utility model belongs to the technical field of wet electrostatic precipitator technique and specifically relates to a heliciform cathode ray for wet electrostatic precipitator is related to, including cathode ray and the bayonet joint that is located cathode ray both ends, be equipped with first conducting strip in the bayonet joint, be equipped with joint spare in the bayonet joint, the joint mouth has been opened respectively at the both ends of cathode ray, be equipped with the second conducting strip with first conducting strip contact in the joint mouth, be equipped with in the joint mouth and supply joint spare male joint groove. The utility model discloses through the cooperation between joint spare and the joint groove between bayonet joint and the negative pole line, realized dismantling the connection, when the negative pole line damaged, the staff as long as follow the bayonet joint demolish can, need not to dismantle whole negative pole frame, have the advantage that reduces cost of maintenance.

Description

Spiral cathode wire for wet electrostatic dust collector

Technical Field

The utility model belongs to the technical field of wet electrostatic precipitator technique and specifically relates to a heliciform negative pole line for wet electrostatic precipitator is related to.

Background

The cathode wire is a core element of the wet electrostatic dust collector which generates air ionization discharge in a high-voltage electric field to form uneven high-voltage field intensity. The wet electrostatic dust collector is provided with a cathode frame, a cathode wire is connected to the cathode frame, and the cathode wire is vertically arranged in the wet electrostatic dust collector through the cathode frame.

Among the prior art, utility model patent that publication number is CN203935911U discloses a heliciform cathode ray for electrostatic precipitator, and it includes the cathode ray body, the cathode ray body by the platelike body along its length direction roll over into width direction cross-section and form through warping into the heliciform after the zigzag, be equipped with the pointed shape point of discharging on the spiral part of cathode ray body.

The cathode wire has the characteristics of low corona starting voltage and high discharge current, can change gas into turbulent flow by virtue of the baffling channel on the cathode wire body so as to increase the thrust of the gas to the dust collecting electrode, contributes to the work done by electric field force, prevents dust collected by the cathode wire from being easily bonded, and is convenient to clean.

However, at present, two materials are commonly used for the cathode wire, one material is lead-antimony alloy, the strength of the material is poor, and the cathode wire is easy to break; the other is welding a tubular rigid wire of a discharge needle on the surface of the steel pipe, the length of the cathode wire is generally more than 5 m, and the slender rod piece is easy to bend and deform, so that the slender rod piece is damaged. Therefore, the two existing materials can cause the cathode line to be damaged, and after the cathode line is damaged, a worker needs to detach the cathode line from the cathode frame, so that the cost and the difficulty of maintaining the cathode line are increased.

Disclosure of Invention

The utility model provides a heliciform cathode ray for wet electrostatic precipitator, through the cooperation between joint spare and the joint groove between bayonet joint and the cathode ray, realized dismantling the connection, when the cathode ray damaged, the staff as long as follow the bayonet joint demolish can, need not to dismantle whole negative pole frame, have the advantage that reduces cost of maintenance.

The utility model provides a pair of a heliciform negative pole line for wet electrostatic precipitator adopts following technical scheme:

a spiral cathode wire for a wet electrostatic dust collector comprises a cathode wire and plug connectors located at two ends of the cathode wire, wherein a first conducting strip is arranged in each plug connector, a clamping piece is arranged in each plug connector, clamping openings are formed in two ends of the cathode wire respectively, a second conducting strip in electrical contact with the first conducting strip is arranged in each clamping opening, and a clamping groove for the clamping piece to insert is formed in each clamping opening.

According to the technical scheme, when the clamping piece is inserted into the clamping port, the clamping piece enters the clamping groove to realize connection between the plug connector and the cathode wire, and meanwhile, the first conducting strip is in contact with the second conducting strip to realize electric conduction between the plug connector and the cathode wire. When the negative pole line damaged, the staff only need follow the joint and demolish the negative pole line, can realize the maintenance to the negative pole line, need not to dismantle the negative pole frame, consequently has the advantage that reduces cost of maintenance.

Preferably, the plug connector comprises a first shell and a second shell, the first shell and the second shell are attached to each other, the inside of the plug connector is hollow, one end of the plug connector is provided with an opening, one ends of the clamping piece and the first conducting strip are located in the plug connector, and the other end of the clamping piece and the opening of the first conducting strip extend out of the plug connector.

According to the technical scheme, the clamping piece is arranged in the first shell, and then the second shell is buckled, so that the connection of the plug connector is realized.

Preferably, the clamping piece comprises sliding blocks, connecting legs and elastic pieces, sliding grooves are formed in the opposite side surfaces of the first shell and the second shell respectively, one sliding block is arranged at each of the two ends of each sliding groove, and the elastic pieces are located in the sliding grooves and arranged between the two sliding blocks in an extruding manner; the connecting legs are fixedly connected to each sliding block respectively, the connecting legs extend out of the opening end of the plug connector, clamping protrusions are fixedly connected to the side faces, deviating from each other, of the two connecting legs respectively, and the clamping protrusions are in inserted connection with the clamping grooves in a matched mode.

According to the technical scheme, when the plug connector is connected with the cathode wire, the two sliding blocks are close to each other, so that the distance between the connecting legs is shortened, and the clamping protrusions on the two connecting legs can enter the clamping port. When the clamping protrusion corresponds to the clamping groove, the elastic force of the elastic piece enables the two sliding blocks to be away from each other, so that the clamping protrusion enters the clamping groove, and the connection between the plug connector and the cathode wire is realized. When the negative pole line damaged, when needing to demolish the negative pole line from the bayonet joint, two sliding blocks are close to once more, and the joint is protruding to deviate from the joint groove this moment, and the staff realizes demolising of negative pole line with bayonet joint and negative pole line separation.

Preferably, the outer side wall of the plug is provided with an extrusion hole communicated with the sliding groove, and two ends of the extrusion hole close to the sliding groove are respectively provided with one extrusion hole.

According to the technical scheme, the extrusion hole is convenient for a worker to mutually approach the two sliding blocks, and when the two sliding blocks need to be approached, the worker can apply external force to the sliding blocks through the extrusion hole, so that the two sliding blocks are mutually approached.

Preferably, one side of each of the two sliding blocks, which is away from the corresponding sliding block, is provided with a pressing piece, the pressing pieces are located in the sliding grooves, and each pressing piece is fixedly connected with an extending rod which penetrates out of the corresponding extrusion hole.

According to the technical scheme, when the two sliding blocks need to be close to each other, a worker extrudes the extension rod to enable the two sliding blocks to be close to each other.

Preferably, the opposite sides of the first shell and the second shell are respectively provided with a mounting groove, the mounting groove is close to the opening of the plug connector, the first conducting strip comprises a mounting strip and a conducting insert, the mounting strip is clamped in the mounting groove, the conducting insert is fixedly connected to the mounting strip, and the conducting insert extends out of the opening of the plug connector.

According to the technical scheme, the mounting groove can limit the position of the mounting bar, so that the position of the conductive insertion piece is more stable.

Preferably, the bottom of joint interface is opened there is the holding tank, the second conducting strip includes electrically conductive base and elastic conducting strip, elastic conducting strip is equipped with two relatively on electrically conductive base, electrically conductive base chucking is in the holding tank.

According to above-mentioned technical scheme, the holding tank can be with the position restriction of electrically conductive base for the position of elastic conducting strip is more stable.

Preferably, the elastic conducting sheet and the conducting inserting sheet are wavy.

According to the technical scheme, the wavy arrangement enables the connection between the conductive inserting sheet and the two elastic conductive sheets to be more stable, so that the electric conduction performance is more stable.

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

1. through the cooperation between joint spare and the joint groove between bayonet joint and the negative pole line, realized dismantling the connection, when the negative pole line damaged, the staff as long as follow the bayonet joint demolish can, need not to dismantle whole negative pole frame, have the advantage that reduces cost of maintenance.

2. When the plug connector is connected with the cathode wire, the two sliding blocks are close to each other, so that the clamping protrusions on the two connecting legs can enter the clamping port. When the clamping protrusion corresponds to the clamping groove, the elastic force of the elastic piece enables the two sliding blocks to be away from each other, so that the clamping protrusion enters the clamping groove, and the connection between the plug connector and the cathode wire is realized. When the negative pole line damaged, when needing to demolish the negative pole line from the bayonet joint, two sliding blocks are close to once more, and the joint is protruding to deviate from the joint groove this moment, and the staff realizes demolising of negative pole line with bayonet joint and negative pole line separation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the middle plug connector of the present invention.

Fig. 3 is a schematic view of the internal structure of the middle plug connector of the present invention.

Fig. 4 is a schematic structural diagram of the first conductive sheet of the present invention.

Fig. 5 is a schematic diagram of the internal structure of the middle card interface of the present invention.

Fig. 6 is a schematic structural diagram of the second conductive sheet of the present invention.

Description of reference numerals: 1. a cathode line; 101. a discharge tip; 102. a card interface; 103. a clamping groove; 104. accommodating grooves; 2. a plug-in connector; 201. mounting holes; 202. a first housing; 203. a second housing; 204. a sliding groove; 205. extruding the hole; 206. mounting grooves; 3. a first conductive sheet; 301. mounting a bar; 302. a conductive insert; 4. a clamping piece; 401. a sliding block; 402. a connecting leg; 403. an elastic member; 404. pressing the sheet; 405. an extension bar; 406. clamping the bulges; 5. a second conductive sheet; 501. a conductive base; 502. an elastic conductive sheet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1 to 6.

Referring to fig. 1, a spiral cathode wire for a wet electrostatic precipitator includes a cathode wire 1 and plugs 2 at both ends of the cathode wire 1, and the plugs 2 and the cathode wire 1 can be electrically connected to each other. The cathode wire 1 is spiral, and the outer side wall thereof is provided with a pointed discharge tip 101, the plug 2 is provided with a mounting hole 201, and when in connection, the cathode frame passes through the mounting hole 201 on the plug 2.

Referring to fig. 2 to 5, the inside of the connector 2 is hollow, and a first conductive sheet 3 is disposed inside the connector 2, and a locking member 4 is disposed inside the connector 2. The two ends of the cathode line 1 are respectively provided with a clamping interface 102, and a clamping groove 103 for inserting the clamping piece 4 is arranged in the clamping interface 102. The second conductive plate 5 contacting with the first conductive plate 3 is disposed in the card interface 102, and the first conductive plate 3 and the second conductive plate 5 are electrically connected to each other.

The connection can be dismantled in the cooperation that bayonet joint 2 and negative pole line 1 pass through joint spare 4 and joint groove 103, realizes, when negative pole line 1 damages, as long as from the bayonet joint 2 demolish can, need not to dismantle whole negative pole frame and maintain negative pole line 1, have the advantage that reduces cost of maintenance.

Referring to fig. 2 and 3, the plug 2 includes a first housing 202 and a second housing 203, the first housing 202 and the second housing 203 are engaged with each other and fixedly connected by welding, opposite sides of the first housing 202 and the second housing 203 are grooves, and when the first housing 202 and the second housing 203 are engaged with each other, the grooves of the first housing 202 and the second housing 203 form a hollow area of the plug 2.

Referring to fig. 2 and 3, one end of the plug 2 is open, and the clip 4 includes a sliding block 401, a connecting leg 402 and an elastic member 403.

Referring to fig. 3, the first housing 202 and the second housing 203 are respectively provided with a sliding groove 204 on opposite sides thereof, and a sliding block 401 is provided at each of both ends of the sliding groove 204. The elastic member 403 is a compression spring, and the elastic member 403 is located in the sliding slot 204 and disposed between the two sliding blocks 401 in a pressing manner.

Referring to fig. 3, the outer side wall of the plug 2 is provided with a pressing hole 205 communicated with the sliding groove 204, two ends of the pressing hole 205 close to the sliding groove 204 are respectively provided with one pressing hole, and the inner diameter of the pressing hole 205 is smaller than the groove width of the sliding groove 204. One side of each of the two sliding blocks 401, which faces away from the corresponding sliding block, is provided with a pressing piece 404, the pressing pieces 404 are located in the sliding grooves 204, and each pressing piece 404 is fixedly connected with an extending rod 405 which penetrates out of the corresponding extrusion hole 205.

The elastic potential energy of the elastic member 403 causes the two sliding blocks 401 in the sliding groove 204 to have a moving tendency away from each other, and the two sliding blocks 401 can be caused to approach each other by the worker pressing the protruding rods 405 on both sides of the plug 2.

Referring to fig. 3, one connecting leg 402 is fixedly connected to each sliding block 401, and the connecting leg 402 extends out of the open end of the plug 2. Clamping protrusions 406 are fixedly connected to the side faces, facing away from the two connecting legs 402, of the two connecting legs 402 respectively, and two clamping protrusions 406 are arranged on each connecting leg 402.

Referring to fig. 5, the two opposite inner side walls of the card interface 102 are respectively provided with two card slots 103, the card slot 103 on each inner side wall corresponds to the card protrusion 406, the card protrusion 406 is in insertion fit with the card slot 103, and in addition, in order to enable the card protrusion 406 to enter the card slot 103 more smoothly, one end of the card protrusion 406 away from the connecting leg 402 is arc-shaped.

When the plug connector 2 is installed on the cathode wire 1, a worker firstly presses the extension bars 405 on the two sides of the plug connector 2, and at the moment, the two sliding blocks 401 in the sliding groove 204 are close to each other. The staff will expose in connecting leg 402 and the protruding 406 of joint of bayonet joint 2 inserts joint interface 102, then the staff loosens projecting rod 405 for two sliding block 401 keep away from each other under the effect of elastic component 403, when the protruding 406 of joint corresponds with joint groove 103, joint protruding 406 gets into in the joint groove 103, with this realization bayonet joint 2 and the negative pole line 1 between be connected.

Referring to fig. 3 and 4, the first housing 202 and the second housing 203 are respectively provided with mounting grooves 206 on opposite sides thereof, and the mounting grooves 206 are disposed adjacent to the opening of the plug 2. The first conductive sheet 3 comprises a mounting bar 301 and a conductive insertion sheet 302, the mounting bar 301 is clamped in the mounting groove 206, the conductive insertion sheet 302 is fixedly connected to the mounting bar 301, and the conductive insertion sheet 302 extends out of the opening of the plug 2.

Referring to fig. 5 and 6, the second conductive sheet 5 includes a conductive base 501 and an elastic conductive sheet 502, and the elastic conductive sheet 502 is oppositely disposed on the conductive base 501. The bottom of the card interface 102 is provided with a receiving groove 104, and the conductive base 501 is clamped in the receiving groove 104.

In the process of connecting the plug 2 with the cathode line 1, the conductive insert 302 gradually enters between the two elastic conductive sheets 502 along with the plug 2, and the elasticity of the two elastic conductive sheets 502 can clamp the conductive insert 302, so that the conductive insert 302 and the elastic conductive sheets 502 are electrically connected.

Referring to fig. 4 and fig. 6, the elastic conductive sheet 502 and the conductive insert 302 are disposed in a wave shape, and the wave shape enables the connection between the conductive insert 302 and the two elastic conductive sheets 502 to be more stable, so that the electrical conductivity of the two elastic conductive sheets is more stable.

The utility model discloses a theory of operation does: when connecting plug 2 and negative pole line 1, the staff extrudees the projecting rod 405 of plug 2 both sides for two sliding block 401 are close to each other, make the interval between two connection legs 402 shorten, so that joint arch 406 on two connection legs 402 can get into in the joint mouth 102.

Then, the worker releases the extension rod 405, gradually inserts the connecting leg 402 into the clamping interface 102, and when the clamping protrusion 406 corresponds to the clamping groove 103, the elastic force of the elastic member 403 urges the two sliding blocks 401 to move away from each other, so that the clamping protrusion 406 enters the clamping groove 103, and the connection between the plug 2 and the cathode wire 1 is realized. At the same time, the conductive insert 302 enters between the two elastic conductive sheets 502.

When cathode ray 1 damaged, when needing to demolish cathode ray 1 from bayonet joint 2, the staff pressed the projecting bar 405 of bayonet joint 2 both sides once more, and at this moment, two sliding block 401 are close to once more, and joint arch 406 is deviate from joint groove 103, and the staff separates bayonet joint 2 and cathode ray 1 to this realizes demolising of cathode ray 1.

Through the cooperation between joint 4 and the joint groove 103 between bayonet joint 2 and the negative pole line 1, realized dismantling the connection, when negative pole line 1 damaged, the staff as long as follow bayonet joint 2 on demolish can, need not to dismantle whole negative pole frame, have the advantage that reduces cost of maintenance.

The above is the preferred embodiment of the utility model, not limit according to this the utility model discloses a protection scope, the event: all equivalent changes made according to the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.

Claims

1. A helical cathode wire for a wet electrostatic precipitator, characterized in that: the cathode wire connector comprises a cathode wire (1) and connectors (2) located at two ends of the cathode wire (1), wherein first conducting strips (3) are arranged in the connectors (2), clamping pieces (4) are arranged in the connectors (2), clamping interfaces (102) are respectively arranged at two ends of the cathode wire (1), second conducting strips (5) electrically contacted with the first conducting strips (3) are arranged in the clamping interfaces (102), and clamping grooves (103) for the clamping pieces (4) to insert are formed in the clamping interfaces (102).

2. The helical cathode wire for a wet electrostatic precipitator as claimed in claim 1, wherein: the plug (2) comprises a first shell (202) and a second shell (203), the first shell (202) and the second shell (203) are attached to each other, the inside of the plug (2) is hollow, one end of the plug is provided with an opening, one ends of the clamping piece (4) and the first conducting strip (3) are located in the plug (2), and the other end of the clamping piece stretches out of the plug (2) through the opening of the plug (2).

3. The helical cathode wire for a wet electrostatic precipitator as claimed in claim 2, wherein: the clamping piece (4) comprises sliding blocks (401), connecting legs (402) and elastic pieces (403), sliding grooves (204) are formed in the opposite side faces of the first shell (202) and the second shell (203), the two ends of each sliding block (401) in each sliding groove (204) are respectively provided with one sliding block, and the elastic pieces (403) are located in the sliding grooves (204) and arranged between the two sliding blocks (401) in an extruding manner; the connecting legs (402) are fixedly connected to each sliding block (401), the connecting legs (402) extend out of the opening end of the plug connector (2), clamping protrusions (406) are fixedly connected to the side faces, away from each other, of the two connecting legs (402), and the clamping protrusions (406) are in inserted connection with the clamping grooves (103).

4. A helical cathode wire for a wet electrostatic precipitator as claimed in claim 3, wherein: the outer side wall of the plug connector (2) is provided with an extrusion hole (205) communicated with the sliding groove (204), and two ends of the extrusion hole (205) close to the sliding groove (204) are respectively provided with one.

5. A helical cathode wire for a wet electrostatic precipitator as claimed in claim 3, wherein: one side of each of the two sliding blocks (401) which deviates from each other is provided with a pressing piece (404), the pressing pieces (404) are located in the sliding grooves (204), and each pressing piece (404) is fixedly connected with an extension rod (405) which penetrates out of the corresponding extrusion hole (205).

6. The helical cathode wire for a wet electrostatic precipitator as claimed in claim 2, wherein: open respectively on first casing (202) and the relative side of second casing (203) mounting groove (206), mounting groove (206) are close to the opening setting of bayonet joint (2), first conducting strip (3) are including mounting bar (301) and electrically conductive inserted sheet (302), mounting bar (301) chucking is in mounting groove (206), electrically conductive inserted sheet (302) fixed connection is in mounting bar (301), electrically conductive inserted sheet (302) stretch out the opening of bayonet joint (2).

7. The helical cathode wire for a wet electrostatic precipitator as claimed in claim 1, wherein: the bottom of the clamping interface (102) is provided with an accommodating groove (104), the second conducting strip (5) comprises a conducting base (501) and an elastic conducting strip (502), the elastic conducting strip (502) is provided with two pieces on the conducting base (501) relatively, and the conducting base (501) is clamped in the accommodating groove (104).

8. The helical cathode wire for a wet electrostatic precipitator as claimed in claim 7, wherein: the elastic conducting strip (502) and the conducting inserting sheet (302) are wavy.