CN215030045U

CN215030045U - Electric dust remover

Info

Publication number: CN215030045U
Application number: CN202120583454.1U
Authority: CN
Inventors: 沈宏伟
Original assignee: Suzhou Leo Environmental Protection Engineering Co ltd
Current assignee: Suzhou Leo Environmental Protection Engineering Co ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-12-07
Anticipated expiration: 2031-03-23

Abstract

The utility model relates to an electric dust remover, which comprises a dust removing box, and a flow dividing device, a dust collecting device and a dust removing device which are arranged in the dust removing box; the dust collection box is characterized in that an air inlet and an air outlet are respectively arranged on two sides of the dust collection box, the flow dividing device is positioned at the air inlet, the dust collection device is positioned between the flow dividing device and the air outlet, and the dust collection device is positioned below the dust collection device; the dust removal device is obliquely arranged and comprises a dust falling hopper and a dust discharge auger; the dust falling hopper is a shell with an opening at the top, the dust discharging auger is arranged in the dust falling hopper, and two ends of the dust discharging auger are rotatably connected with the inner wall of the dust falling hopper; the flexible elastic sheet is arranged on the dust exhaust auger; the dust collecting pole group in the dust suction device of the utility model forms a labyrinth air passage, which increases the adsorption efficiency and leads the dust collection to be more balanced; the dust removal device is obliquely arranged, so that the dust is prevented from being accumulated on the dust removal device, and the dust falls off; the dust removal and collection integrated device increases the dust removal efficiency.

Description

Electric dust remover

Technical Field

The utility model relates to an electric dust remover belongs to the gas treatment device field.

Background

The basic working principle of the electric dust collector is as follows: high-voltage direct current is conducted on a cathode wire of the electric dust collector, and an electrostatic field which is enough to separate gas is maintained between the cathode wire and the dust collecting polar plate; the dust collecting device comprises a dust collecting polar plate, a vibration beating shaft, a dust hopper, a dust collecting device, a speed reducer, a vibration beating hammer, a dust collecting polar plate, a dust hopper, a dust collecting device and a dust collecting device.

The rapping mode of the dust collecting polar plate of the conventional electric precipitator is single top rapping or bottom rapping, under the rapping mode, the length of the dust collecting polar plate directly influences the weight of a rapping hammer, if the rapping hammer is lighter, the dust removal on the dust collecting polar plate is incomplete, the charged dust discharge resistance is increased, the actual distance between a cathode and an anode is shortened, the electric field flash frequency is increased, the secondary voltage and the secondary current are reduced, and the dust removal efficiency is reduced. When the flash frequency is increased to a certain degree, the corresponding electric field short circuit alarm causes tripping.

If the pole plate is lengthened, the weight of the rapping hammer must be increased to obtain enough acceleration, so that the whole dust collection pole plate is vibrated to drop dust. However, experiments and actual operation show that with the increase of the height of the dust collection pole plate, the whole pole plate cannot obtain a good vibration effect due to the increase of the vibration hammer, and the dust on the pole plate can be broken to generate secondary dust; in addition, the impacted part can be subjected to fatigue damage, for example, the connecting piece can loosen or even fall off, bolt holes in the pole plate can be torn, and the like, so that the pole plate can shift or fall off, and even lap short circuit with a cathode line can occur.

This can seriously influence electrostatic precipitator work efficiency, reduces electrostatic precipitator life, can even constitute the threat to personal safety.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects of the prior art and providing an electric dust remover which increases the dust removing efficiency.

In order to achieve the above purpose, the utility model adopts the technical scheme that: an electric dust remover comprises a dust removing box, and a flow dividing device, a dust collecting device and a dust removing device which are arranged in the dust removing box; the dust collection box is characterized in that an air inlet and an air outlet are respectively arranged on two sides of the dust collection box, the flow dividing device is positioned at the air inlet, the dust collection device is positioned between the flow dividing device and the air outlet, and the dust collection device is positioned below the dust collection device; the dust removal device is obliquely arranged and comprises a dust falling hopper and a dust discharge auger; the dust falling hopper is a shell with an opening at the top, the dust discharging auger is arranged in the dust falling hopper, and two ends of the dust discharging auger are rotatably connected with the inner wall of the dust falling hopper; and a flexible elastic sheet is arranged on the dust exhaust auger.

Preferably, the flow dividing device comprises an air inlet pipe, a ring pipe and a plurality of branch pipes, the air inlet pipe is connected with the ring pipe through the branch pipes, an active carbon treatment device is movably and detachably mounted at the air inlet end of the air inlet pipe, and the active carbon treatment device covers the air inlet end of the air inlet pipe; the plurality of branch pipes are distributed in a radial shape, the ring pipe is arranged close to the dust suction device, and a plurality of air outlet holes are formed in the position, corresponding to the dust suction device, of the ring pipe; the ring pipe is provided with a reverse cleaning joint, and the reverse cleaning joint is provided with a sealing nut.

Preferably, the dust collection device comprises a discharge assembly and a dust collecting electrode group, the discharge assembly is annularly distributed corresponding to the ring pipe, and the top end of the dust collecting electrode group is fixed on the top wall in the dust removal box; the dust collecting electrode group comprises a plurality of high-voltage electrodes and low-voltage electrodes which are vertical to the direction of the airflow and distributed at intervals, and the top ends of the high-voltage electrodes are connected with insulating components.

Preferably, the high-voltage electrodes and the low-voltage electrodes are arranged in a staggered mode, and gaps between the high-voltage electrodes and the low-voltage electrodes form a labyrinth air passage.

Preferably, the dust discharge auger comprises an auger shaft and an auger blade arranged on the auger shaft, and the bottom end of the flexible elastic sheet is arranged on the auger shaft or the auger blade; the auger shaft is provided with a plurality of mounting grooves, and the auger blade is movably connected with the auger shaft through the mounting grooves; the auger shaft, the auger blade and the flexible elastic sheet are all made of non-metal materials.

Preferably, the bottom end of the flexible elastic sheet is fixed on the auger shaft, the flexible elastic sheet and the auger blades are arranged at intervals, and the flexible elastic sheet is distributed along the circumferential direction of the auger shaft and is arranged along the axial direction.

Preferably, the bottom end of the flexible elastic sheet is fixed on the auger blade, the bottom end of the auger blade is provided with a clamping groove, and the bottom end of the flexible elastic sheet is movably connected with the auger blade through the clamping groove.

Preferably, the bottom end of the flexible elastic sheet is thick, and the top end of the flexible elastic sheet is thin, and the top end of the flexible elastic sheet extends to the bottom end of the dust collecting pole group along the radial direction of the dust discharging auger.

Preferably, the height of the bottom wall of the ash falling hopper is gradually reduced along the direction from the air inlet to the air outlet.

Preferably, one end of the ash falling hopper, which corresponds to the air outlet, is provided with a dust shielding plate and a discharge valve, the dust shielding plate is in sliding connection with the top end of the ash falling hopper, and the discharge valve is positioned at the bottommost end of the ash falling hopper.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

according to the electric dust remover, the shunting device shunts the flue gas of the dust removal box, so that the dust in the gas is electrified more uniformly; the dust collecting pole group in the dust collecting device forms a labyrinth air passage, so that the adsorption efficiency is increased, and the dust collection is more balanced; the dust removing device is integrally arranged for removing and collecting dust, so that the dust removing efficiency is increased; the dust removal device is obliquely arranged, so that the dust is prevented from being accumulated on the dust removal device, and the dust can fall off conveniently.

Drawings

The technical scheme of the utility model is further explained by combining the attached drawings as follows:

FIG. 1 is a schematic structural view of an electric dust collector of the present invention;

wherein: 1. a dust removal box; 2. a flow divider; 3. a dust collection device; 4. a dust removal device; 5. a dust falling hopper; 6. a dust discharging auger; 7. a flexible spring sheet; 8. a dust shield plate; 9. a discharge valve; 10. an air inlet pipe; 11. a ring pipe; 12. a branch pipe; 13. a discharge assembly; 14. a dust collecting electrode group; 15. an insulating member; 16. an active carbon treatment device.

Detailed Description

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

As shown in fig. 1, in an electric dust collector, a flow dividing device 2, a dust suction device 3 and a dust removal device 4 are arranged in a dust removal box 1; an air inlet and an air outlet are respectively arranged on two sides of the dust removing box 1, the flow dividing device 2 is positioned at the air inlet, the dust collecting device 3 is positioned between the flow dividing device 2 and the air outlet, and the dust removing device 4 is positioned below the dust collecting device 3; the flow dividing device 2 comprises an air inlet pipe 10, a ring pipe 11 and a plurality of branch pipes 12, the air inlet pipe 10 is connected with the ring pipe 11 through the branch pipes 12, an active carbon treatment device 16 is movably and detachably mounted at the air inlet end of the air inlet pipe 10, the active carbon treatment device 16 covers the air inlet end of the air inlet pipe 10, the active carbon treatment device 16 is used for carrying out primary filtration on dust and flock in the air, larger particles in the air are removed, and the detachable arrangement is convenient for later-stage cleaning and treatment; the branch pipes 12 are radially distributed, the ring pipe 11 is arranged close to the dust suction device 3, and the position, corresponding to the dust suction device 3, of the ring pipe 11 is provided with a plurality of air outlet holes for shunting the flue gas entering the dust removal box 1, so that the blown air flow is uniform, the dust in the gas can be uniformly blown out, and the cleaning effect is better; the ring pipe 11 is provided with a reverse cleaning joint, the reverse cleaning joint is provided with a sealing nut, after the ring pipe is used for a period of time, the sealing nut is opened, the air outlet hole is blocked by using a special air blocking plug, high-pressure water flow is flushed from the reverse cleaning joint, and the shunting device 2 can be cleaned; the dust suction device 3 comprises a discharge assembly 13 and a dust collecting electrode group 14, wherein the discharge assembly 13 is annularly distributed corresponding to the ring pipe 11, so that cations on dust are more uniformly distributed; the top end of the dust collecting electrode group 14 is fixedly connected with the inner top wall of the dust removing box 1 through a shockproof rubber seat, the dust collecting electrode group 14 comprises a plurality of high-voltage electrodes and low-voltage electrodes which are vertical to the airflow direction and distributed at intervals, and the top end of each high-voltage electrode is connected with an insulating component 15 so as to avoid voltage change between the high-voltage electrodes and the low-voltage electrodes; the high-voltage electrodes and the low-voltage electrodes are arranged in a staggered mode, a labyrinth air passage is formed by gaps between the high-voltage electrodes and the low-voltage electrodes, the shunted gas can flow to the dust collecting electrode group 14 more uniformly, the contact area is increased, the adsorption efficiency is improved, and dust removal is more balanced; the dust removing device 4 comprises a dust falling hopper 5 and a dust discharging auger 6, the height of the bottom wall of the dust falling hopper 5 is gradually reduced along the direction from the air inlet to the air outlet, the accumulation of dust on the dust removing device 4 is avoided, and the falling of the dust is facilitated; the ash falling hopper 5 is a shell with an opening at the top, and the bottom surface of the shell has a larger area and is fixedly arranged on the dust removing box 1; the dust discharge auger 6 is arranged in the ash falling hopper 5, and two ends of the dust discharge auger 6 are rotatably connected with the inner wall of the ash falling hopper 5; the dust exhaust auger 6 comprises an auger shaft and auger blades arranged on the auger shaft, and the bottom end of the flexible elastic sheet 7 is arranged on the auger shaft or the auger blades; the auger shaft is provided with a plurality of mounting grooves, and the auger blade is movably connected with the auger shaft through the mounting grooves; in order to improve the dust removal efficiency, the auger shaft, the auger blades and the flexible elastic sheet 7 are all made of non-metal materials; when the bottom end of the flexible elastic sheet 7 is fixed on the auger shaft, the flexible elastic sheet 7 and the auger blade are arranged at intervals, and the flexible elastic sheets 7 are distributed along the circumferential direction of the auger shaft and are arranged along the axial direction; when the bottom end of the flexible elastic sheet 7 is fixed on the auger blade, the bottom end of the auger blade is provided with a clamping groove, the bottom end of the flexible elastic sheet 7 is movably connected with the auger blade through the clamping groove, and the auger shaft, the auger blade and the flexible elastic sheet 7 are movably connected, so that the cleaning and the installation are convenient; the bottom end of the flexible elastic sheet 7 is thick, the top end of the flexible elastic sheet 7 is thin, the top end of the flexible elastic sheet 7 extends to the bottom end of the dust collecting electrode group 14 along the radial direction of the dust exhaust auger 6, the auger shaft rotates to drive the flexible elastic sheet 7 to rotate, the top end of the flexible elastic sheet 7 is used for striking the bottom end of the dust collecting electrode group 14, dust collection is completed while dust falls, the striking force is small, the fatigue damage of the dust removing device 4 is reduced, the service life is greatly prolonged, and the striking period can be controlled; the one end that ash falling bucket 5 corresponds the gas outlet is equipped with hides dirt board 8 and blow-off valve 9, hides dirt board 8 and passes through slide rail sliding connection with the top of ash falling bucket 5, avoids the dust to get into the air once more, and blow-off valve 9 is located the bottom of ash falling bucket 5, and dust exhaust auger 6 transports the dust to the bottom of ash falling bucket 5, when the clearance dust, can prevent that the smoke and dust from further spreading to the air, can further improve the collection efficiency of smoke and dust to improve dust collection efficiency.

In the use process, gas enters from the gas inlet, and the activated carbon treatment device 16 is used for pretreating the gas to remove large particles in the waste gas; the shunting device 2 shunts the gas again to uniformly divide dust in the gas; the discharge assembly 13 discharges the gas, so that the dust on the gas is provided with ions; then the dust is precipitated on the gas by the dust collecting pole group 14; and finally, shaking off the dust through the dust removal device 4 and collecting the dust.

In the electric dust remover, the shunting device 2 shunts the flue gas of the dust removing box 1, so that the dust in the gas is electrified more uniformly; the dust collecting pole group 14 in the dust suction device 3 forms a labyrinth air passage, so that the adsorption efficiency is increased, and the dust removal is more balanced; the dust removal device 4 is integrally arranged for removing and collecting dust, so that the adsorption efficiency is increased; the dust removal device 4 is obliquely arranged, so that the dust is prevented from being accumulated on the dust removal device 4, and the dust can fall off conveniently.

The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims

1. An electric dust remover is characterized in that: comprises a dust removing box (1), and a flow dividing device (2), a dust suction device (3) and a dust removing device (4) which are arranged in the dust removing box (1); an air inlet and an air outlet are respectively arranged on two sides of the dust removing box (1), the flow dividing device (2) is positioned at the air inlet, the dust collecting device (3) is positioned between the flow dividing device (2) and the air outlet, and the dust collecting device (4) is positioned below the dust collecting device (3); the dust removal device (4) is obliquely arranged, and the dust removal device (4) comprises a dust falling hopper (5) and a dust discharge auger (6); the ash falling hopper (5) is a shell with an opening at the top, the dust discharging auger (6) is arranged in the ash falling hopper (5), and two ends of the dust discharging auger (6) are rotatably connected with the inner wall of the ash falling hopper (5); and a flexible elastic sheet (7) is arranged on the dust exhaust auger (6).

2. An electric precipitator according to claim 1, wherein: the flow dividing device (2) comprises an air inlet pipe (10), a ring pipe (11) and a plurality of branch pipes (12), the air inlet pipe (10) is connected with the ring pipe (11) through the branch pipes (12), an active carbon treatment device (16) is movably and detachably mounted at the air inlet end of the air inlet pipe (10), and the active carbon treatment device (16) covers the air inlet end of the air inlet pipe (10); the branch pipes (12) are distributed in a radial shape, the ring pipe (11) is arranged close to the dust suction device (3), and a plurality of air outlet holes are formed in the position, corresponding to the dust suction device (3), on the ring pipe (11); and a reverse cleaning joint is arranged on the ring pipe (11), and a sealing nut is arranged on the reverse cleaning joint.

3. An electric precipitator according to claim 2, wherein: the dust collection device (3) comprises a discharge assembly (13) and a dust collection electrode group (14), the discharge assembly (13) is annularly distributed corresponding to the ring pipe (11), and the top end of the dust collection electrode group (14) is fixed on the inner top wall of the dust collection box (1); the dust collecting electrode group (14) comprises a plurality of high-voltage electrodes and low-voltage electrodes which are vertical to the direction of the airflow and distributed at intervals, and the top ends of the high-voltage electrodes are connected with insulating components (15).

4. An electric precipitator according to claim 3, wherein: the high-voltage electrodes and the low-voltage electrodes are arranged in a staggered mode, and gaps between the high-voltage electrodes and the low-voltage electrodes form a labyrinth air passage.

5. An electric precipitator according to claim 3, wherein: the dust exhaust auger (6) comprises an auger shaft and an auger blade arranged on the auger shaft, and the bottom end of the flexible elastic sheet (7) is arranged on the auger shaft or the auger blade; the auger shaft is provided with a plurality of mounting grooves, and the auger blade is movably connected with the auger shaft through the mounting grooves; the auger shaft, the auger blade and the flexible elastic sheet (7) are all made of non-metal materials.

6. An electric precipitator according to claim 5, wherein: the bottom end of flexible shell fragment (7) is fixed when the auger is epaxial, flexible shell fragment (7) with auger blade interval sets up, and flexible shell fragment (7) are followed the circumference of auger axle distributes and arranges along the axial.

7. An electric precipitator according to claim 5, wherein: the bottom end of the flexible elastic sheet (7) is fixed on the auger blade, the bottom end of the auger blade is provided with a clamping groove, and the bottom end of the flexible elastic sheet (7) is movably connected with the auger blade through the clamping groove.

8. An electric precipitator according to claim 6 or 7, wherein: the bottom end of the flexible elastic sheet (7) is thick, the top end of the flexible elastic sheet (7) is thin, and the top end of the flexible elastic sheet (7) extends to the bottom end of the dust collecting pole group (14) along the radial direction of the dust discharging packing auger (6).

9. An electric precipitator according to claim 1, wherein: the height of the bottom wall of the ash falling hopper (5) gradually decreases along the direction from the air inlet to the air outlet.

10. An electric precipitator according to claim 5, wherein: the one end that ash falling bucket (5) correspond the gas outlet is equipped with dust board (8) and relief valve (9), and dust board (8) and the top sliding connection of ash falling bucket (5), relief valve (9) are located the bottommost of ash falling bucket (5).