CN219615801U

CN219615801U - Electrostatic dust collector

Info

Publication number: CN219615801U
Application number: CN202320009239.XU
Authority: CN
Inventors: 王先权; 崔喆; 戴蔚; 路鹏程; 郭坤; 陈昊; 王野; 周梦婕; 吴长生; 黄建伟
Original assignee: Huaihe Energy Power Group Co ltd; Fujian Longking Co Ltd.; China Power Engineering Consulting Group East China Electric Power Design Institute Co Ltd
Current assignee: Huaihe Energy Power Group Co ltd; Fujian Longking Co Ltd.; China Power Engineering Consulting Group East China Electric Power Design Institute Co Ltd
Priority date: 2023-01-03
Filing date: 2023-01-03
Publication date: 2023-09-01
Anticipated expiration: 2033-01-03

Abstract

The utility model relates to an electrostatic precipitator, which comprises a support frame, a dust removing cylinder and an ash bucket, wherein the dust removing cylinder and the ash bucket are arranged on the support frame, the ash bucket is arranged at the bottom of the dust removing cylinder, the ash bucket is communicated with the dust removing cylinder, a plurality of dust collecting plates are arranged in the dust removing cylinder, a vibrating hammer is arranged on the dust removing cylinder and used for knocking the dust collecting plates, a plurality of eccentric wheels are arranged on the dust removing cylinder and are abutted to the vibrating hammer, a rotating shaft is arranged on the dust removing cylinder in a rotating way, the eccentric wheels are connected through the rotating shaft, a driving piece is arranged on the support frame and used for driving the rotating shaft to rotate, and a nano coating is arranged on the inner wall of the ash bucket. The utility model has the effect of reducing the adhesion of dust to the dust collecting plate and the inner wall of the dust hopper.

Description

Electrostatic dust collector

Technical Field

The utility model relates to the field of electrostatic dust collectors, in particular to an electrostatic dust collector.

Background

The electrostatic precipitator, its theory of operation is that utilize high voltage electric field to make the flue gas take place ionization, the dust charge in the air current separates with the air current under the electric field effect. Compared with other dust removing equipment, the electrostatic dust remover has the advantages of low energy consumption and high dust removing efficiency, is suitable for removing dust with the diameter of 0.01-50 mu m in the flue gas, and can be used for occasions with high flue gas temperature and high pressure.

In the related art, an electrostatic precipitator generally comprises a dust collection cylinder and an ash bucket, wherein an air inlet and an air outlet are formed in the dust collection cylinder, a dust collection plate is arranged in the dust collection cylinder, flue gas is ionized after entering the dust collection cylinder through the air inlet, dust particles in the flue gas can be adsorbed by the dust collection plate, the gas after dust collection is discharged through the air outlet, and finally dust on the dust collection plate falls into the ash bucket.

To the above related art, if the dust on the dust collecting plate does not fall off immediately, the dust collecting efficiency and the dust collecting quality of the whole dust collector will be affected, and the fallen dust falls into the dust hopper, which is prone to the situation that the dust adheres to the inner wall of the dust hopper when the unloading is not timely and serious.

Disclosure of Invention

In order to reduce adhesion of dust to dust collection plates and the inner wall of an ash bucket, the utility model provides an electrostatic precipitator.

The electrostatic precipitator provided by the utility model adopts the following technical scheme:

the utility model provides an electrostatic precipitator, includes support frame, dust removal section of thick bamboo and ash bucket all set up on the support frame, the ash bucket sets up in dust removal section of thick bamboo bottom, ash bucket and dust removal section of thick bamboo intercommunication, be provided with a plurality of dust collecting plates, its characterized in that in the dust removal section of thick bamboo: the dust removing device comprises a dust removing cylinder, and is characterized in that a vibrating hammer is arranged on the dust removing cylinder and used for knocking a dust collecting plate, a plurality of eccentric wheels are arranged on the dust removing cylinder and are in butt joint with the vibrating hammer, a rotating shaft is arranged on the dust removing cylinder in a rotating mode, a plurality of eccentric wheels are connected through the rotating shaft, a driving piece is arranged on a supporting frame and used for driving the rotating shaft to rotate, and a nano coating is arranged on the inner wall of the dust hopper.

Through adopting above-mentioned technical scheme, drive the pivot through the driving piece and rotate, and then the eccentric wheel that links to each other with the pivot rotates, when the big footpath end of eccentric wheel and vibratory hammer butt, the vibratory hammer is kept away from the inner wall of a dust removal section of thick bamboo and is slided and is abutted with the dust collecting plate, when the big footpath end of eccentric wheel is kept away from vibratory hammer and rotates, the vibratory hammer is slided towards the inner wall of a dust removal section of thick bamboo, the vibratory hammer no longer is abutted with the dust collecting plate promptly, operating personnel can make the vibratory hammer regularly strike the dust collecting plate through the rotational speed of control cam for dust on the dust collecting plate falls into in time in the ash bucket; the nano coating on the inner wall of the ash bucket can ensure that dust is not easy to adhere with the inner wall of the ash bucket.

Optionally, the ash bucket is gone up to rotate and is provided with the striking off board, strike off board and the laminating of ash bucket inner wall, the striking off board is used for cleaning ash bucket inner wall, be provided with the connecting piece in the pivot, the connecting piece is used for driving the striking off board and rotates.

Through adopting above-mentioned technical scheme, through the setting of scraper blade, rotate the scraper blade, the scraper blade can scrape the dust that adheres to on the ash bucket inner wall, realizes the clearance to the ash bucket inner wall.

Optionally, the connecting piece includes first band pulley, second band pulley, first bevel gear, second bevel gear and connecting rod, first band pulley cover is located in the pivot, the second band pulley sets up on the support frame, the second band pulley passes through the hold-in range with first band pulley to be connected, first bevel gear links to each other with the second band pulley is coaxial, second bevel gear and first bevel gear intermeshing, the connecting rod links to each other with the second bevel gear is coaxial, the connecting rod is located the rotation central line of scraper blade, the scraper blade links to each other with the connecting rod.

Through adopting above-mentioned technical scheme, the pivot rotates, and the pivot drives first band pulley in step and rotates, because the second band pulley passes through the hold-in range with first band pulley and links to each other, and the second band pulley rotates in step along with first band pulley, and then sets up first bevel gear with the second band pulley is coaxial and rotate, and further, second bevel gear rotates, and in step, the connecting rod drives the scraper blade and rotates, and the scraper blade cleans ash bucket inner wall.

Optionally, be provided with the board that slides on the dust removal section of thick bamboo, be provided with the butt piece on the board that slides, butt piece and the laminating of dust collecting plate lateral wall, the last groove of sliding of having seted up of board that slides, the groove that slides is used for supplying the dust collecting plate to slide and connects, be provided with the elastic component on the dust collecting plate, the elastic component sets up in the dust collecting plate one end that is close to the vibratory hammer, and when the dust collecting plate was kept away from the pivot and slides, the elastic component was in tensile state.

Through adopting above-mentioned technical scheme, when the vibration hammer strikes the dust collecting plate, the dust collecting plate can slide along the groove of sliding of seting up on the board that slides, and the elastic component is stretched this moment, and the dust collecting plate no longer laminates with the butt piece, and when the vibration hammer kept away from the dust collecting plate and slided, the elastic component drove the dust collecting plate because self elasticity effect and resets, and the dust collecting plate slightly collides with the butt piece, and the dust collecting plate vibration, dust on the dust collecting plate drops to the ash bucket in. Through the setting of elastic component, the elastic component can reduce the destruction of vibratory hammer to the dust collecting plate to a certain extent, thereby reduced the dust collecting plate and beaten violently hit the possibility of damage, simultaneously, the slip orbit of dust collecting plate has been fixed to the groove that slides, has reduced the dust collecting plate and has beaten the possibility of random rocking after beating by vibratory hammer.

Optionally, be provided with the guide bar on the dust removal case, first spring housing is located on the guide bar, be provided with the guide cylinder on the dust collecting plate, the guide cylinder housing is located on the guide bar, the guide cylinder slides with the guide bar and is connected, the one end that the dust collecting plate was kept away from to the guide cylinder links to each other with the elastic component.

Through adopting above-mentioned technical scheme, through the setting of guide bar and guide cylinder, when the dust collecting plate slides, the guide cylinder slides along the guide bar all the time, has further fixed the track of sliding of dust collecting plate, simultaneously, the elastic component is along the tensile shrink of guide bar all the time, has reduced the elastic component and has bent so that lose the possibility of elasticity.

Optionally, the upper top surface of the scraping plate is arc-shaped.

By adopting the technical scheme, the possibility that dust is accumulated on the top surface of the scraping plate can be reduced by the top surface of the arc-shaped scraping plate.

Optionally, the first bevel gear and the second bevel gear are covered with a dust cover, and the top surface of the dust cover is conical.

Through adopting above-mentioned technical scheme, conical dust cover can reduce the dust and pile up the possibility on first bevel gear and second bevel gear, simultaneously, the dust cover top is difficult for the ash of falling equally.

Optionally, a cleaning opening is formed in the ash bucket, a baffle plate is arranged on the ash bucket, and the baffle plate is used for sealing the cleaning opening.

Through adopting above-mentioned technical scheme, through the setting of cleaning port, operating personnel can clear up the striking off plate in the ash bucket through cleaning port at regular intervals, makes the striking off plate keep relatively clean's state.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. an operator can regularly knock the dust collecting plate through controlling the rotating speed of the cam, so that dust on the dust collecting plate immediately falls into the dust hopper;

2. the scraping plate can scrape dust adhered to the inner wall of the ash bucket, so that the inner wall of the ash bucket is cleaned;

3. through the setting of first band pulley, second band pulley, first bevel gear and second bevel gear for the driving piece is when driving the vibratory hammer and is clean the dust collecting plate, and synchronous drive scraper blade cleans ash bucket inner wall, has reduced the energy that electrostatic precipitator consumed to a certain extent.

Drawings

Fig. 1 is a schematic overall view of an electrostatic precipitator in accordance with an embodiment of the present utility model.

Fig. 2 is a schematic view showing a dust collecting plate part in the embodiment of the present utility model.

Fig. 3 is an enlarged schematic view of the portion a in fig. 1.

Fig. 4 is a schematic view showing a ball portion in the embodiment of the present utility model.

Fig. 5 is a schematic view showing a portion of a scraper plate in an embodiment of the present utility model.

Fig. 6 is a schematic diagram showing a dust cap portion in an embodiment of the utility model.

Reference numerals illustrate: 1. a support frame; 101. a support shaft; 2. a dust removal cylinder; 201. an air inlet; 202. an air outlet; 203. a slip plate; 2031. a slip groove; 2032. an abutment block; 204. a dust collecting plate; 2041. a receiving plate; 2042. 201 a guide cylinder; 2043. a ball; 205. a guide rod; 2051. an elastic member; 206. a vibratory hammer; 207. a rotating shaft; 2071. an eccentric wheel; 3. an ash bucket; 4. an ash bin; 5. a driving member; 6. a fixed rod; 601. a dust cover; 7. a connecting rod; 8. a scraping plate; 801. a through groove; 9. a first pulley; 10. a second pulley; 11. a first bevel gear; 12. a second bevel gear; 13. a cleaning port; 14. a baffle plate.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-6.

The embodiment of the utility model discloses an electrostatic precipitator. Referring to fig. 1, an electrostatic precipitator includes a support frame 1, a dust-removing cylinder 2, an ash bucket 3 and an ash bin 4, wherein the dust-removing cylinder 2 and the ash bucket 3 are all arranged on the support frame 1, the ash bucket 3 is arranged at one end of the dust-removing cylinder 2 close to the ground, and the lower bottom surface of the dust-removing cylinder 2 is communicated with the ash bucket 3, and the ash bin 4 is arranged on the ground. The dust removal cylinder 2 is provided with an air inlet 201 and an air outlet 202. In the embodiment of the utility model, the ash bucket is arranged in a conical shape.

Referring to fig. 2, ten sliding plates 203 are fixed on the inner wall of the dust removing cylinder 2, the ten sliding plates 203 are grouped in pairs, two sliding plates 203 in the same group are located on the same vertical plane, one sliding plate is located on the upper top wall of the dust removing cylinder 2, the other sliding plate is located at one end of the dust removing cylinder 2 close to the ash bucket 3, and the five sliding plates 203 are arranged in a horizontal direction. A dust collecting plate 204 is arranged between two sliding plates 203 in the same group, sliding grooves 2031 are formed in the sliding plates 203, the sliding grooves 2031 are used for enabling the dust collecting plate 204 to slide, two abutting blocks 2032 are welded on one sliding plate 203, the abutting blocks 2032 are vertically arranged, the abutting blocks 2032 on the sliding plates 203 in the same group correspond up and down, the abutting blocks 2032 between different groups are located on the same horizontal line, and the distance between the two abutting blocks 2032 on the same sliding plate 203 is larger than the width of the dust collecting plate 204. The dust collecting plate 204 is horizontally provided with a receiving plate 2041, and the receiving plate 2041 is used for connecting five dust collecting plates 204.

Referring to fig. 2 and 3, a guide cylinder 2042 is fixedly disposed on a side wall of the dust collecting plate 204, which is close to the receiving plate 2041, a guide rod 205 is integrally formed on an inner side wall of the dust collecting cylinder 2, the guide rod 205 is disposed corresponding to the guide cylinder 2042, the guide rod 205 is slidably disposed in the guide cylinder 2042, and an elastic member 2051 is sleeved on the guide rod 205, in this embodiment, the elastic member 2051 is a spring, one end of the spring is connected with an inner wall of the dust collecting cylinder 2, and the other end of the spring is connected with an end of the guide cylinder 2042, which is far away from the dust collecting plate 204.

Referring to fig. 2, a vibrating hammer 206 is rotatably connected to the inner wall of the dust removing cylinder 2, a rotating shaft 207 is horizontally rotatably arranged on the side wall of the dust removing cylinder 2, two eccentric wheels 2071 are fixedly arranged on the rotating shaft 207, the eccentric wheels 2071 are always attached to the vibrating hammer 206, and a driving piece 5 is arranged on the supporting frame 1.

When the flue gas needs to be dedusted, the flue gas enters the dedusting barrel 2 through the air inlet 201, ionization is carried out under the action of an electric field in the dedusting barrel 2, dust particles adsorb anions with negative electricity and are attracted by the dust collecting plate 204 and adsorbed on the dust collecting plate 204, and the dedusted gas is discharged through the air outlet 202. Meanwhile, the motor is started, the motor drives the rotating shaft 207 to rotate, the eccentric wheel 2071 rotates synchronously, when the large-diameter end of the eccentric wheel 2071 is abutted with the vibrating hammer 206, the vibrating hammer 206 slides towards the receiving plate 2041, the vibrating hammer 206 is abutted with the receiving plate 2041, the receiving plate 2041 drives the dust collecting plate 204 to slide along the sliding groove 2031 away from the vibrating hammer 206, at the moment, the spring is stretched until one end of the dust collecting plate 204 away from the vibrating hammer 206 slightly collides with the abutting block 2032, and part of dust on the dust collecting plate 204 falls into the dust hopper 3; when the large diameter end of the eccentric wheel 2071 rotates towards the inner wall of the dust removing cylinder 2, the vibrating hammer 206 slides away from the receiving plate 2041 due to the self gravity, the spring drives the dust collecting plate 204 to slide towards one end of the vibrating hammer 206 along the sliding groove 2031 due to the self elastic action, the dust collecting plate 204 slightly collides with the abutting block 2032 again, vibration is generated, and dust on the dust collecting plate 204 falls into the dust hopper 3. In the above process, the guide cylinder 2042 slides along the guide rod 205 all the time, so that the possibility of bending the spring can be reduced to a certain extent, and at the same time, the spring can ensure that the dust on the dust collecting plate 204 falls into the dust hopper 3, and the possibility of damage to the dust collecting plate 204 due to strong collision is reduced.

Referring to fig. 4, a ball 2043 is rotatably provided on the dust collecting plate 204, and one end of the ball 2043 away from the dust collecting plate 204 abuts against the inner wall of the sliding groove 2031. The balls 2043 can make the sliding process of the dust collecting plate 204 smoother, and can reduce the friction between the dust collecting plate 204 and the sliding plate 203, reduce the possibility of abrasion of the dust collecting plate 204, and prolong the service life of the dust collecting plate 204.

Referring to fig. 5, a fixing rod 6 is vertically disposed at one end of the sliding plate 203 near the ground, the fixing rod 6 is located on the central line of the ash bucket 3, a connecting rod 7 is rotationally connected to the fixing rod 6, a scraping plate 8 is fixedly disposed on the connecting rod 7, one end of the scraping plate 8 far away from the connecting rod 7 is attached to the inner wall of the ash bucket 3, the top surface of the scraping plate 8 is in a circular arc shape, the possibility that dust is accumulated on the scraping plate can be reduced by the circular arc-shaped top surface, in the embodiment of the utility model, a through groove 801 is formed in the scraping plate 8, the inner bottom wall of the through groove 801 is also in an arc-shaped shape, and the surface area of the scraping plate 8 can be reduced to a certain extent by the through groove 801, so that the amount of dust adhered to the scraping plate 8 is very small. The rotating shaft 207 is provided with a connecting member for driving the connecting rod 7 to rotate.

Referring to fig. 5, the connecting member includes a first pulley 9, a second pulley 10, a first bevel gear 11 and a second bevel gear 12, the ash bucket 3 is rotatably connected with a supporting shaft 101, the supporting shaft 101 is horizontally placed, the first pulley 9 is sleeved on a rotating shaft 207, the second pulley 10 is sleeved on the supporting shaft 101, the second pulley 10 and the first pulley 9 are located on the same vertical plane and connected through a synchronous belt, the first bevel gear 11 is fixedly arranged on the supporting shaft 101, the second bevel gear 12 is fixedly arranged on the connecting shaft, and the second bevel gear 12 is meshed with the first bevel gear 11.

Starting the motor, the rotating shaft 207 rotates, the rotating shaft 207 synchronously drives the first belt pulley 9 to rotate, the second belt pulley 10 connected with the first belt pulley 9 through the synchronous belt synchronously rotates, the second belt pulley 10 drives the supporting shaft 101 to rotate, then the first bevel gear 11 on the supporting shaft 101 rotates, then the second bevel gear 12 meshed with the first bevel gear 11 rotates, the connecting rod 7 is synchronously driven to rotate, the connecting rod 7 drives the scraping plate 8 to rotate, the scraping plate 8 cleans dust on the inner wall of the ash bucket 3, and finally the dust falls into the same collecting treatment in the ash bin 4.

In the embodiment of the utility model, the inner wall of the ash bucket 3 is coated with the nano coating, so that dust is not easy to adhere to the inner wall of the ash bucket 3.

Referring to fig. 6, a dust cover 601 is welded to the fixing rod 6, and an upper top surface of the dust cover 601 is conical. The conical dust cover 601 can reduce the possibility of dust accumulating on the first bevel gear 11 and the second bevel gear 12, and at the same time, the top of the dust cover 601 is not easy to fall off. In the embodiment of the present utility model, nano materials are coated on the dust cover 601, the connecting rod 7, the fixing rod 6 and the scraping plate 8.

Referring to fig. 1, a cleaning opening 13 is formed in the ash bucket 3, a baffle plate 14 is fixed to the ash bucket 3 through bolts, and the baffle plate 14 is used for sealing the cleaning opening 13. Operators can enter the ash bucket 3 through the cleaning opening 13 to clean the scraping plate 8 or the connecting rod 7 at random.

The implementation principle of the electrostatic precipitator provided by the embodiment of the utility model is as follows: the eccentric wheel 2071 is driven to rotate by the rotating shaft 207 so as to drive the vibrating hammer 206 to knock the receiving plate 2041, so that the dust collecting plate 204 slightly collides with the abutting block to generate vibration so as to force dust to fall into the dust hopper 3, the rotating shaft 207 can synchronously drive the scraping plate 8 to clean the inner wall of the dust hopper 3, the possibility that the dust adheres to the inner wall of the dust hopper 3 is reduced, and finally the dust falls into the dust bin 4 to be uniformly treated.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides an electrostatic precipitator, includes support frame (1), dust removal section of thick bamboo (2) and ash bucket (3) all set up on support frame (1), ash bucket (3) set up in dust removal section of thick bamboo (2) bottom, ash bucket (3) and dust removal section of thick bamboo (2) intercommunication, be provided with a plurality of dust collecting plates (204), its characterized in that in the dust removal section of thick bamboo (2): be provided with vibratory hammer (206) on dust removal section of thick bamboo (2), vibratory hammer (206) are used for beating dust collecting plate (204), be provided with a plurality of eccentric wheels (2071) on dust removal section of thick bamboo (2), a plurality of eccentric wheels (2071) all with vibratory hammer (206) butt, rotate on dust removal section of thick bamboo (2) and be provided with pivot (207), a plurality of eccentric wheels (2071) link to each other through pivot (207), be provided with driving piece (5) on support frame (1), driving piece (5) are used for driving pivot (207) and rotate, be equipped with the nanometer coating on the inner wall of ash bucket (3).

2. An electrostatic precipitator according to claim 1, in which: the ash bucket (3) is rotatably provided with a scraping plate (8), the scraping plate (8) is attached to the inner wall of the ash bucket (3), the scraping plate (8) is used for cleaning the inner wall of the ash bucket (3), the rotating shaft (207) is provided with a connecting piece, and the connecting piece is used for driving the scraping plate (8) to rotate.

3. An electrostatic precipitator according to claim 2, in which: the connecting piece comprises a first belt wheel (9), a second belt wheel (10), a first bevel gear (11), a second bevel gear (12) and a connecting rod (7), wherein the first belt wheel (9) is sleeved on a rotating shaft (207), the second belt wheel (10) is arranged on a supporting frame (1), the second belt wheel (10) is connected with the first belt wheel (9) through a synchronous belt, the first bevel gear (11) is coaxially connected with the second belt wheel (10), the second bevel gear (12) is meshed with the first bevel gear (11), the connecting rod (7) is coaxially connected with the second bevel gear (12), the connecting rod (7) is positioned on a rotating center line of the scraping plate, and the scraping plate is connected with the connecting rod (7).

4. An electrostatic precipitator according to claim 1, in which: be provided with on the dust removal section of thick bamboo (2) and slide board (203), be provided with butt piece (2032) on the board that slides (203), butt piece (2032) are laminated with dust collecting plate (204) lateral wall, slide groove (2031) have been seted up on the board that slides (203), slide groove (2031) are used for supplying dust collecting plate (204) to slide and connect, be provided with elastic component (2051) on dust collecting plate (204), elastic component (2051) set up in dust collecting plate (204) be close to the one end of vibratory hammer (206), when dust collecting plate (204) are kept away from pivot (207) and slide, elastic component (2051) are in tensile state.

5. An electrostatic precipitator according to claim 4, in which: be provided with guide bar (205) on dust removal section of thick bamboo (2), on guide bar (205) are located to elastic component (2051) cover, be provided with guide cylinder (2042) on dust collecting plate (204), guide cylinder (2042) cover is located on guide bar (205), guide cylinder (2042) are connected with guide bar (205) slides, one end that dust collecting plate (204) was kept away from to guide cylinder (2042) links to each other with elastic component (2051).

6. An electrostatic precipitator according to claim 2, in which: the upper top surface of the scraping plate (8) is arranged in an arc shape.

7. An electrostatic precipitator according to claim 3, in which: the first bevel gear (11) and the second bevel gear (12) are covered with a dust cover (601), and the top surface of the dust cover (601) is in conical arrangement.

8. An electrostatic precipitator according to claim 1, in which: the ash bucket (3) is provided with a cleaning opening (13), the ash bucket (3) is provided with a baffle plate (14), and the baffle plate (14) is used for sealing the cleaning opening (13).