CN109622226B - Electrostatic dust removal device for waste gas treatment - Google Patents
Electrostatic dust removal device for waste gas treatment Download PDFInfo
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- CN109622226B CN109622226B CN201910072935.3A CN201910072935A CN109622226B CN 109622226 B CN109622226 B CN 109622226B CN 201910072935 A CN201910072935 A CN 201910072935A CN 109622226 B CN109622226 B CN 109622226B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
- B03C3/10—Plant or installations having external electricity supply dry type characterised by presence of electrodes moving during separating action
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/74—Cleaning the electrodes
- B03C3/743—Cleaning the electrodes by using friction, e.g. by brushes or sliding elements
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Abstract
The invention relates to an electrostatic dust collection device for waste gas treatment, which comprises a shell, a purification pipe and a processor, wherein openings are formed in the inner walls of two sides of the shell, power supply assemblies are arranged on the upper side and the lower side of each opening, a switching assembly is arranged in the shell and comprises a connecting block, a cleaning assembly, a plurality of electrode plates and two switching units, the cleaning assembly comprises a translation block, a translation plate, a first spring, a cleaning plate, a plurality of brushes and two lifting units, and the power supply assembly comprises a notch, a second spring, a pressing plate, a vertical rod, a conductive block and two limiting units. This an electrostatic precipitator device for exhaust-gas treatment drives the plate electrode through the switching subassembly and removes to the opening in, is supplied power by power supply unit fixed electrode board for produce the electric field between the plate electrode and adsorb the dirt particle, then switching unit operation, the brush that drives on the cleaning plate by clean subassembly removes on the plate electrode, sweeps down the dirt particle, when the plate electrode gets back to in the opening, has guaranteed dust collection efficiency, has improved the practicality of equipment.
Description
Technical Field
The invention relates to the field of air purification equipment, in particular to an electrostatic dust removal device for waste gas treatment.
Background
Electrostatic dust collection is a dust collection method in which a dust-containing gas is electrically separated when passing through a high-voltage electrostatic field, dust particles are charged negatively with negative ions and then tend to be discharged to deposit on the surface of an anode, the dust particles are used for purifying or recovering useful dust particles in the industries such as metallurgy and chemistry, and the electrostatic field is used for ionizing the gas so as to enable the dust particles to be electrically adsorbed on an electrode.
Present electrostatic precipitator device is when exhaust-gas treatment, dirty gas passes through strong electric field, the air molecule is ionized to positive ion and electron, the electron runs back to anodal in-process and meets the dirt particle, the dirt particle negative electricity that takes adsorbs to be collected on the positive pole, can know by the operation principle of device, after equipment long-term operation, a large amount of electrified dirt particles of piling up easily on the plate electrode, these dirt particles not only can the adhesion on the plate electrode, even shake and reach and also can not effectively drop it, when the dust volume of adhesion reaches the certain degree, will prevent corona electrode production corona, thereby make the efficiency that gathers dust and descend, integrated dust collector can not normally work, lead to current electrostatic precipitator device practicality to reduce.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the electrostatic dust removal device for waste gas treatment is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: an electrostatic dust removal device for waste gas treatment comprises a shell, a purification pipe and a processor, wherein the processor is fixed on the shell, a PLC is arranged in the processor, the shell is sleeved on the purification pipe, one end of the purification pipe is arranged above the shell, the other end of the purification pipe is arranged below the shell, openings are formed in the inner walls of two sides of the shell, power supply assemblies are arranged on the upper side and the lower side of each opening, and a switching assembly is arranged in the shell;
the switching assembly comprises a connecting block, a cleaning assembly, a plurality of electrode plates and two switching units, the cleaning assembly is arranged on one side of the purifying tube, the switching units are arranged on the other side of the purifying tube, the electrode plates are uniformly distributed, four connecting rods are arranged between every two adjacent electrode plates, the four connecting rods are respectively fixed at the four corners of the electrode plates, the connecting block is fixed on the electrode plate farthest from the cleaning assembly, and the two switching units are respectively positioned above and below the connecting block;
the cleaning assembly comprises a translation block, a translation plate, a first spring, a cleaning plate, a plurality of brushes and two lifting units, wherein the two lifting units are respectively positioned at two ends of the translation block;
the power supply assembly comprises a notch, a second spring, a pressing plate, a vertical rod, a conductive block and two limiting units, the notch is arranged on the inner wall of the purifying tube, one end of the second spring is connected with the bottom in the notch, the other end of the second spring is connected with the pressing plate, the conductive block is fixed on one side, close to the electrode plate, of the pressing plate through the vertical rod, the two limiting units are located on two sides of the second spring respectively, the second spring is in a compression state, and the periphery of the conductive block is connected with the inner wall of the notch in a sealing mode.
Preferably, in order to realize the lift of translation piece, the lift unit includes first motor, bearing and lead screw, first motor and bearing are all fixed on the purge tube, first motor is connected with the top transmission of lead screw, the bottom of lead screw sets up on the bearing, first motor is connected with the PLC electricity, translation piece cover is established on the lead screw, the translation piece with the junction of lead screw be equipped with the screw thread that matches with the lead screw.
Preferably, in order to realize synchronous lifting of the cleaning plate and the translation plate, the upper side and the lower side of the first spring are both provided with a lug and an orientation rod, the lug is fixedly connected with the cleaning plate through the orientation rod, and the translation plate is sleeved on the orientation rod.
Preferably, in order to limit the movement of the pressing plate, the limiting unit comprises a limiting rod and a limiting block, the limiting block is fixedly connected with the bottom in the notch through the limiting rod, and the pressing plate is sleeved on the limiting rod.
Preferably, in order to drive the connecting block to move, the switching unit comprises a second motor, a half gear, a rack and a fixing rod, the second motor is fixed on the connecting block and is electrically connected with the PLC, the second motor is in transmission connection with the half gear, the rack is fixed in the shell and is meshed with the half gear, the second motor is a stepping motor, one end of the fixing rod is fixed on the inner wall of the shell, and the other end of the fixing rod is fixedly connected with the purifying pipe.
Preferably, in order to fix the electrode plate, notches are formed in the top end and the bottom end of the electrode plate, the vertical cross section of each notch is triangular, and one end, close to the electrode plate, of each conductive block is matched with the notch.
The electrostatic dust removal device for waste gas treatment has the advantages that the electrode plates are driven to move into the opening through the switching assembly, the electrode plates are fixed by the power supply assembly and are powered, so that an electric field is generated between the electrode plates to adsorb dust particles, then the switching unit operates, the cleaning assembly drives the hairbrush on the cleaning plate to move on the electrode plates to sweep off the dust particles, and when the electrode plates return to the opening, the dust removal efficiency is ensured, and the practicability of the device is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of an electrostatic precipitator for exhaust gas treatment according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
in the figure: 1. the device comprises a shell, 2, a purifying tube, 3, a processor, 4, a connecting block, 5, an electrode plate, 6, a connecting rod, 7, a translation block, 8, a translation plate, 9, a first spring, 10, a cleaning plate, 11, a second spring, 12, a pressure plate, 13, a connecting rod, 14, a conductive block, 15, a first motor, 16, a bearing, 17, a screw rod, 18, a lug, 19, a directional rod, 20, a limiting rod, 21, a limiting block, 22, a second motor, 23, a half gear, 24, a rack and 25, and a fixing rod.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, an electrostatic dust removal device for waste gas treatment comprises a housing 1, a purification tube 2 and a processor 3, wherein the processor 3 is fixed on the housing 1, a PLC is arranged in the processor 3, the housing 1 is sleeved on the purification tube 2, one end of the purification tube 2 is arranged above the housing 1, the other end of the purification tube 2 is arranged below the housing 1, openings are arranged on inner walls of two sides of the housing 1, power supply assemblies are arranged on the upper and lower sides of the openings, and a switching assembly is arranged in the housing 1;
the switching assembly comprises a connecting block 4, a cleaning assembly, a plurality of electrode plates 5 and two switching units, the cleaning assembly is arranged on one side of the purifying tube 2, the switching units are arranged on the other side of the purifying tube 2, the electrode plates 5 are uniformly distributed, four connecting rods 6 are arranged between every two adjacent electrode plates 5, the four connecting rods 6 are respectively fixed at four corners of the electrode plates 5, the connecting block 4 is fixed on the electrode plate 5 farthest away from the cleaning assembly, and the two switching units are respectively positioned above and below the connecting block 4;
the cleaning assembly comprises a translation block 7, a translation plate 8, a first spring 9, a cleaning plate 10, a plurality of brushes and two lifting units, the two lifting units are respectively positioned at two ends of the translation block 7, the translation plate 8 is fixed at one side, close to the purification tube 2, of the translation block 7, the cleaning plate 10 is connected with the translation plate 8 through the first spring 9, the first spring 9 is in a compressed state, the brushes are uniformly distributed at one side, close to the purification tube 2, of the cleaning plate 10, a dust outlet is formed in the shell 1, and the dust outlet is positioned below the lifting units;
when the electrostatic dust removal device is used, waste gas is introduced from the top end of the purification pipe 2, when the device passes through the purification pipe 2, two electrode plates 5 in a switching assembly in the shell 1 are positioned on the inner walls of two sides of the shell 1, the two electrode plates 5 are powered through a power supply assembly, an electrostatic field is generated between the two electrode plates 5, electrons in the electrostatic field impact dust particles in the air when moving towards the electrode plates 5 with positive electricity, the dust particles are adsorbed on the motor plates, the waste gas is purified, the positions of the electrode plates 5 are adjusted through the switching assembly, the electrode plates 5 adsorbing the dust particles are timely cleaned, the dust collection efficiency is ensured, and the practicability of the device is improved. In the switching assembly, the connection of each electrode plate 5 is realized through four connecting rods 6, the switching unit can be used for driving the connecting block 4 to move, so that the position between each electrode plate 5 is changed, after the electrode plate 5 with dust on the surface is conveniently moved out of the purification tube 2, the electrode plate 5 is cleaned through the cleaning assembly, when the cleaning assembly operates, the PLC controls the lifting unit to operate and drive the translation block 7 to move up and down, so that the translation plate 8 is driven to move in the vertical direction, one side of the translation plate 8, which is close to the purification tube 2, generates thrust on the cleaning plate 10 through the compressed first spring 9, so that the hairbrush on the cleaning plate 10 is abutted against the electrode plate 5, when the translation plate 8 moves up and down, the hairbrush can sweep dust particles on the electrode plate 5, the dust particles are discharged through a dust removing opening on the shell 1, so that the electrode plate 5 is conveniently fixed on, the dust removal efficiency can be ensured.
As shown in fig. 2, the power supply assembly includes a notch, a second spring 11, a pressing plate 12, a vertical rod 13, a conductive block 14 and two limiting units, the notch is disposed on the inner wall of the purification tube 2, one end of the second spring 11 is connected with the bottom of the notch, the other end of the second spring 11 is connected with the pressing plate 12, the conductive block 14 is fixed on one side of the pressing plate 12 close to the electrode plate 5 through the vertical rod 13, the two limiting units are respectively located on two sides of the second spring 11, the second spring 11 is in a compressed state, and the periphery of the conductive block 14 is connected with the inner wall of the notch in a sealing manner.
In the notch, the second spring 11 in a compressed state generates thrust to the pressing plate 12, the pressing plate 12 drives the conducting block 14 to move in the direction away from the notch through the vertical rod 13, so that the conducting block 14 abuts against the electrode plates 5, the electrode plates 5 are electrified, an electric field is generated between the two electrode plates 5, and then electrostatic dust removal of air entering the purifying tube 2 is realized.
As shown in fig. 1, the lifting unit includes a first motor 15, a bearing 16 and a screw rod 17, the first motor 15 and the bearing 16 are both fixed on the purification tube 2, the first motor 15 is in transmission connection with the top end of the screw rod 17, the bottom end of the screw rod 17 is arranged on the bearing 16, the first motor 15 is electrically connected with the PLC, the translation block 7 is sleeved on the screw rod 17, and a connection part of the translation block 7 and the screw rod 17 is provided with a thread matched with the screw rod 17.
The PLC controls the first motor 15 to be started, the lead screw 17 is driven to rotate under the supporting action of the bearing 16, and the lead screw 17 acts on the translation block 7 through threads, so that the translation block 7 moves along the axis of the lead screw 17, and the translation block 7 and the translation plate 8 are driven to move up and down.
Preferably, in order to realize synchronous lifting of the cleaning plate 10 and the translation plate 8, the upper side and the lower side of the first spring 9 are both provided with a lug 18 and a directional rod 19, the lug 18 is fixedly connected with the cleaning plate 10 through the directional rod 19, and the translation plate 8 is sleeved on the directional rod 19. When the translation plate 8 moves up and down, the translation plate 8 drives the orientation rod 19 to move, the orientation rod 19 acts on the cleaning plate 10, the cleaning plate 10 moves, the moving range of the orientation rod 19 is limited through the bump 18, the orientation rod 19 is prevented from being separated from the translation plate 8, and synchronous lifting of the cleaning plate 10 and the translation plate 8 is achieved.
Preferably, in order to limit the movement of the pressing plate 12, the limiting unit includes a limiting rod 20 and a limiting block 21, the limiting block 21 is fixedly connected with the bottom of the recess through the limiting rod 20, and the pressing plate 12 is sleeved on the limiting rod 20. The moving direction of the pressing plate 12 is fixed by the limiting rod 20, so that the pressing plate 12 can move stably along the axis of the limiting rod 20, the moving range of the pressing plate 12 is limited by the limiting block 21, and the pressing plate 12 is prevented from being separated from the limiting rod 20.
As shown in fig. 1, the switching unit includes a second motor 22, a half gear 23, a rack 24 and a fixing rod 25, the second motor 22 is fixed on the connecting block 4, the second motor 22 is electrically connected to the PLC, the second motor 22 is in transmission connection with the half gear 23, the rack 24 is fixed in the housing 1, the rack 24 is engaged with the half gear 23, the second motor 22 is a stepping motor, one end of the fixing rod 25 is fixed on the inner wall of the housing 1, and the other end of the fixing rod 25 is fixedly connected to the purification tube 2.
PLC control second motor 22 starts, drives half gear 23 and makes the rotation of fixed angle, and half gear 23 is used in on the rack 24 with it meshing for relative movement takes place between half gear 23 and the rack 24, because rack 24's rigidity, thereby half gear 23 takes place to remove along rack 24, and then drives connecting block 4 and removes, and under the effect of dead lever 25, connecting block 4 carries out the translation along the axis of dead lever 25.
Preferably, in order to fix the electrode plate 5, notches are formed in the top end and the bottom end of the electrode plate 5, the vertical cross section of each notch is triangular, and one end, close to the electrode plate 5, of the conductive block 14 is matched with the notch. When the electrode plate 5 moves into the notch, the compressed second spring 11 in the notch generates thrust on the pressing plate 12, so that the conductive block 14 tends to move towards the electrode plate 5, the conductive block 14 is embedded into the notch of the electrode plate 5, the position of the electrode plate 5 is fixed, and the electrode plate 5 is prevented from deviating when the cleaning assembly operates.
When the electrostatic dust removal device operates, the electrode plate 5 is driven to move through the switching unit, when the electrode plate 5 is embedded into the opening, the conducting block 14 in the power supply assembly cuts into the gap of the electrode plate 5, when the power is supplied to the electrode plate 5, an electric field is generated between the two electrode plates 5, when dust-containing waste gas passes through the two electrode plates 5, dust particles in the waste gas are impacted by electrons moving in the electric field, the dust particles are adsorbed on the electrode plate 5, the switching unit operates to drive the electrode plate 5 to move, then the PLC controls the lifting unit to operate, the cleaning plate 10 is driven to move in the vertical direction through the translation plate 8, dust particles on the electrode plate 5 are swept down by the brush, the cleaning of the electrode plate 5 is realized, when the electrode plate 5 returns to the opening again, the dust removal efficiency is ensured, and the practicability of the device is.
Compared with the prior art, this an electrostatic precipitator device for exhaust-gas treatment drives plate electrode 5 through switching module and removes to the opening in, by power supply unit fixed electrode plate 5 and carry out the power supply for produce the electric field and adsorb the dirt particle between the plate electrode 5, then switching unit operation, the brush that drives on clean board 10 by clean subassembly moves on plate electrode 5, sweeps off the dirt particle, when plate electrode 5 when returning to in the opening, has guaranteed dust collection efficiency, has improved the practicality of equipment.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The electrostatic dust removal device for waste gas treatment is characterized by comprising a shell (1), a purification pipe (2) and a processor (3), wherein the processor (3) is fixed on the shell (1), a PLC is arranged in the processor (3), the shell (1) is sleeved on the purification pipe (2), one end of the purification pipe (2) is arranged above the shell (1), the other end of the purification pipe (2) is arranged below the shell (1), openings are formed in the inner walls of two sides of the shell (1), power supply assemblies are arranged on the upper side and the lower side of each opening, and a switching assembly is arranged in the shell (1);
the switching assembly comprises a connecting block (4), a cleaning assembly, a plurality of electrode plates (5) and two switching units, the cleaning assembly is arranged on one side of the purifying tube (2), the switching assembly is arranged on the other side of the purifying tube (2), the electrode plates (5) are uniformly distributed, four connecting rods (6) are arranged between every two adjacent electrode plates (5), the four connecting rods (6) are respectively fixed at four corners of the electrode plates (5), the connecting block (4) is fixed on the electrode plate (5) farthest from the cleaning assembly, and the two switching units are respectively positioned above and below the connecting block (4);
the cleaning assembly comprises a translation block (7), a translation plate (8), a first spring (9), a cleaning plate (10), a plurality of brushes and two lifting units, wherein the two lifting units are respectively positioned at two ends of the translation block (7), the translation plate (8) is fixed at one side, close to the purifying pipe (2), of the translation block (7), the cleaning plate (10) is connected with the translation plate (8) through the first spring (9), the first spring (9) is in a compressed state, the brushes are uniformly distributed at one side, close to the purifying pipe (2), of the cleaning plate (10), a dust outlet is formed in the shell (1), and the dust outlet is positioned below the lifting units;
the power supply assembly comprises a notch, a second spring (11), a pressing plate (12), a vertical rod (13), a conductive block (14) and two limiting units, the notch is arranged on the inner wall of the purifying tube (2), one end of the second spring (11) is connected with the bottom in the notch, the other end of the second spring (11) is connected with the pressing plate (12), the conductive block (14) is fixed on one side, close to the electrode plate (5), of the pressing plate (12) through the vertical rod (13), the two limiting units are respectively located on two sides of the second spring (11), the second spring (11) is in a compression state, and the periphery of the conductive block (14) is connected with the inner wall of the notch in a sealing mode.
2. The electrostatic precipitator device for exhaust gas treatment according to claim 1, wherein the lifting unit comprises a first motor (15), a bearing (16) and a screw rod (17), the first motor (15) and the bearing (16) are both fixed on the purification tube (2), the first motor (15) is in transmission connection with the top end of the screw rod (17), the bottom end of the screw rod (17) is arranged on the bearing (16), the first motor (15) is electrically connected with the PLC, the translation block (7) is sleeved on the screw rod (17), and the connection part of the translation block (7) and the screw rod (17) is provided with a thread matched with the screw rod (17).
3. The electrostatic precipitator device for exhaust gas treatment according to claim 1, wherein the first spring (9) is provided with a projection (18) and an orientation rod (19) on both upper and lower sides thereof, the projection (18) is fixedly connected with the cleaning plate (10) through the orientation rod (19), and the translation plate (8) is sleeved on the orientation rod (19).
4. The electrostatic precipitator device for exhaust gas treatment according to claim 1, wherein the limiting unit comprises a limiting rod (20) and a limiting block (21), the limiting block (21) is fixedly connected with the bottom of the notch through the limiting rod (20), and the pressing plate (12) is sleeved on the limiting rod (20).
5. The electrostatic precipitator for exhaust gas treatment according to claim 1, wherein the switching unit comprises a second motor (22), a half gear (23), a rack (24), and a fixing rod (25), the second motor (22) is fixed on the connecting block (4), the second motor (22) is electrically connected to the PLC, the second motor (22) is in transmission connection with the half gear (23), the rack (24) is fixed in the housing (1), the rack (24) is engaged with the half gear (23), the second motor (22) is a stepping motor, one end of the fixing rod (25) is fixed on the inner wall of the housing (1), and the other end of the fixing rod (25) is fixedly connected to the purification pipe (2).
6. The electrostatic precipitator for exhaust gas treatment according to claim 1, wherein the electrode plate (5) is provided with notches at both top and bottom ends, the vertical cross-section of the notches is triangular, and one end of the conductive block (14) close to the electrode plate (5) is matched with the notches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910072935.3A CN109622226B (en) | 2019-01-25 | 2019-01-25 | Electrostatic dust removal device for waste gas treatment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910072935.3A CN109622226B (en) | 2019-01-25 | 2019-01-25 | Electrostatic dust removal device for waste gas treatment |
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| CN109622226A CN109622226A (en) | 2019-04-16 |
| CN109622226B true CN109622226B (en) | 2020-05-15 |
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| CN109622226A (en) | 2019-04-16 |
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