CN216457669U - Powder bin blockage removing device - Google Patents
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- CN216457669U CN216457669U CN202122395126.1U CN202122395126U CN216457669U CN 216457669 U CN216457669 U CN 216457669U CN 202122395126 U CN202122395126 U CN 202122395126U CN 216457669 U CN216457669 U CN 216457669U
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Abstract
The utility model discloses a powder bin blockage removing device which comprises a plurality of dust removing bins, wherein the dust removing bins are respectively provided with an air inlet branch pipe and an air outlet branch pipe, the air inlet branch pipes are respectively connected with an air inlet main pipe, the air outlet branch pipes are respectively connected with an air outlet main pipe, the air inlet branch pipes are respectively provided with an air inlet valve, the air outlet branch pipes are respectively provided with an air outlet valve, and dust hoppers are respectively arranged below the dust removing bins; the angle of the side wall of the ash bucket is larger than 55 degrees, a material level observation port is arranged on the side wall of the ash bucket, scales are marked on the material level observation port, a manhole door is arranged on the side wall of the ash bucket, an ash discharge pipe is arranged on the manhole door, and an ash discharge valve is arranged on the ash discharge pipe; an ash suction pipe is detachably arranged between the ash discharge pipes on at least two ash hoppers, the ash suction pipes are flexible pipes, and an ash discharge mechanism is arranged at the bottom outlet of each ash hopper; the utility model has the advantages of simple structure, convenient ash discharge and no pollution.
Description
Technical Field
The utility model belongs to the technical field of dust treatment, and particularly relates to a powder bin blockage removing device.
Background
Ironmaking coal injection is the same with many trades, and the dust removal of powder process system is negative pressure work, and powder process dust collector box ash bucket below is rotary feeder, often runs into the moist caking of buggy, blocks up the condition that the bottom export is not unloaded, influences the normal work of system, also can lead to rotary feeder card to die when running into the sack and drop or similar foreign matter, influences the normal work of system to the buggy is piled up and is not discharged probably to cause the spontaneous combustion incident for a long time at the ash bucket box. The problem of slight jamming can be solved through an air flow or vibration mode, when the jamming condition is serious, emergency shutdown treatment is needed, during treatment, an inspection manhole at the bottom of an ash bucket is opened to empty coal powder, 3-4 tons of coal powder stored at the bottom of the ash bucket is generally emptied, and then foreign matters at an impeller can be taken out. When the coal powder is discharged through the overhaul hole of the ash bucket, a large amount of coal powder flows out along with wind, so that the environment is seriously polluted, a large amount of coal powder is wasted, the labor intensity is increased, and the environment is also seriously polluted.
China (CN202110314833.5) discloses a method for processing the cloth bag falling fault of a dust collector, wherein a horizontal grid plate is fixedly arranged between a dust collection bin and a dust hopper of the cloth bag type dust collector and used for preventing the falling cloth bag from falling into the dust hopper, after the cloth bag in the dust collection bin falls off, an air inlet valve and an outlet off-line valve of the dust collection bin are firstly closed, all dust in the dust collection bin is discharged into a dust discharging system through a dust discharging valve at the bottom of the dust hopper, then a manhole on the side wall of the dust collection bin is opened, and the cloth bag falling on the grid plate is taken out. The utility model utilizes the grating plate to prevent the fallen cloth bag from falling into the dust hopper to block the dust discharging valve, after the cloth bag in the dust removing bin falls off, the dust in the dust removing bin is discharged through the dust discharging valve, so that the fallen cloth bag can be taken out under the condition of no dust in the dust removing bin, the efficiency of discharging the dust is low by utilizing the self weight of the coal powder through the dust discharging valve, the power is insufficient, and the coal powder is discharged everywhere when the dust discharging system is not arranged on site.
The defects of the prior art are that 1, when the ash discharge port at the bottom of the ash bucket is blocked seriously, the ash is inconvenient to discharge, 2, when the ash bucket discharges the ash through the manhole, the environmental pollution is easily caused, and 3, additional ash discharge equipment is additionally arranged, so that the cost is improved.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a powder bin blockage removing device which is simple in structure, convenient in ash discharging and free of pollution.
In order to achieve the purpose, the utility model adopts the technical scheme that: a powder bin blockage removing device comprises a plurality of dust removing bins, wherein air inlet branch pipes and air outlet branch pipes are arranged on the dust removing bins, the air inlet branch pipes are connected with an air inlet main pipe, the air outlet branch pipes are connected with an air outlet main pipe, air inlet valves are arranged on the air inlet branch pipes, air outlet valves are arranged on the air outlet branch pipes, and dust hoppers are arranged below the dust removing bins; a manhole door is arranged on the side wall of the ash hopper, an ash discharge pipe is arranged on the manhole door, and an ash discharge valve is arranged on the ash discharge pipe; at least two on the ash bucket unload between the ash pipe detachable be provided with the ash suction pipe, the ash suction pipe is the hose, every the bottom exit of ash bucket all is provided with dust discharging mechanism.
The powder bin blockage removing device comprises a plurality of dust removing bins, wherein the plurality of dust removing bins are arranged to improve dust discharging efficiency, air inlet branch pipes and air outlet branch pipes are arranged on the dust removing bins, the air inlet branch pipes are connected with an air inlet main pipe, the air outlet branch pipes are connected with an air outlet main pipe, the air inlet branch pipes, the air outlet branch pipes and the air outlet main pipe supply flue gas to enter for dust removal and gas discharge after dust removal, air inlet valves are arranged on the air inlet branch pipes to control the flue gas to enter the dust removing bins, air outlet valves are arranged on the air outlet branch pipes to control the flue gas to discharge the dust removing bins, and dust hoppers are arranged below the dust removing bins; storing and collecting ash, wherein a manhole door is arranged on the side wall of the ash hopper to facilitate manual overhaul, an ash discharge pipe is arranged on the manhole door, the ash discharge pipe is positioned at the lower side of the manhole door to clean ash, and an ash discharge valve is arranged on the ash discharge pipe; make things convenient for the material in the ash bucket to unload when the bottom export is plugged up, at least two on the ash bucket unload between the ash pipe detachable be provided with the suction pipe, through setting up the suction pipe, the suction pipe is the hose, on the suction pipe can be fixed in a plurality of dust collecting bins through the support, can not influence the operation in other dust collecting bins simultaneously in shifting the ash bucket of other normal work with the material in the ash bucket that is stopped up, the suction pipe is the hose and conveniently connects, the bottom exit of ash bucket all is provided with dust discharging mechanism, controls the emission of material in the ash bucket through dust discharging mechanism.
Furthermore, a material level observation port is arranged on the side wall of the ash bucket, and scales are marked on the material level observation port.
Be provided with the material level viewing aperture on the lateral wall of ash bucket, the material level condition in the ash bucket is conveniently observed, the material level viewing aperture superscript has the scale, and each ash bucket material level of accurate affirmation contrast can be connected the storage in the balanced each ash bucket of ash sucking pipe as required, improves discharging efficiency.
Furthermore, the angle of the side wall of the ash bucket is larger than 55 degrees, a vibrator or an air cannon is arranged on the side wall of the ash bucket, and the vibrator or the air cannon is positioned at the middle lower side part of the ash bucket.
The angle of the side wall of the ash bucket is larger than 55 degrees, so that ash powder is not retained on the side wall and is convenient to flow, the side wall of the ash bucket is provided with a vibrator or an air cannon, the vibrator or the air cannon is located at the middle lower side part of the ash bucket, the vibrator or the air cannon can quickly solve the slight blockage problem, the blockage position is generally located at the middle lower side part of the ash bucket, the blockage clearing efficiency is high, and the material transfer rate can be improved by matching with an ash suction pipe.
Further, the ash discharging mechanism is a blade wheel feeder, and the blade wheel feeder is fixed at the bottom outlet of the ash bucket through welding or bolt connection.
The ash discharging mechanism is a vane feeder, the vane feeder is provided with an independent switch to control the discharging rate, the vane feeder is fixed at the bottom outlet of the ash bucket through welding or bolt connection, and the connection is stable through welding or bolt connection.
Furthermore, still be provided with the air supplement pipe on the air inlet branch pipe, be provided with filtration in the air supplement pipe, be provided with the air supplement valve on the air supplement pipe.
Still be provided with the air supplement pipe on the air inlet branch pipe, set up the condition that the air supplement pipe can solve the interior needs tonifying qi of dust removal storehouse, for example can open the air supplement pipe and make the material discharge smoothly for the interior tonifying qi of ash bucket when using the ash absorption pipe, be provided with filtration in the air supplement pipe, prevent that the ash powder from discharging, be provided with the air supplement valve on the air supplement pipe, control air supplement pipe's switch.
Furthermore, the ash suction pipe is connected with the ash discharge pipe through a connecting flange.
The ash suction pipe is connected with the ash discharge pipe through a connecting flange, the connecting flange is arranged at both ends of the ash suction pipe, the connecting flange is also arranged on the ash discharge pipe, the ash suction pipe is connected with the ash discharge pipe through bolts, and the stability is high.
Furthermore, an ash conveying device is arranged below the ash discharging mechanism, and the ash conveying device is a spiral ash conveyor or a scraper conveyor or an ash conveying container.
The ash discharging mechanism is characterized in that an ash conveying device is arranged below the ash discharging mechanism, the ash conveying device is a spiral ash conveying machine or a scraper conveyor or an ash conveying container, the spiral ash conveying machine or the scraper conveyor is suitable for continuously conveying ash powder in a large batch, and the ash conveying container is suitable for the condition of smaller ash discharge amount.
Further, the air inlet valve, the air outlet valve, the gulp valve are the solenoid valve, the air inlet valve the air outlet valve the equal electric connection of gulp valve has control panel, control panel set up in the lateral wall of ash bucket perhaps on the lateral wall of dust removal storehouse.
The air intake valve the air outlet valve the gulp valve is the solenoid valve, the air intake valve the air outlet valve the equal electric connection of gulp valve has control panel, it is right through control panel the air intake valve the air outlet valve the gulp valve carries out remote control, reduces artifical intensity, control panel set up in the lateral wall of ash bucket perhaps make things convenient for manual operation on the lateral wall in dust removal storehouse.
Furthermore, the ash discharging pipe is arranged on the side wall of the ash bucket, and the height of the ash discharging pipe is positioned below the manhole door.
The ash discharging pipe is arranged on the side wall of the ash bucket, the height of the ash discharging pipe is located below the manhole door, ash in the ash bucket can be fully sucked away, so that the ash at the manhole door can be cleaned up, and manual maintenance is facilitated.
The working principle is as follows: the detachable dust suction pipe is installed on the manhole door, and when dust is accumulated in the dust hopper box body, the dust hopper box body is connected with another box body through a pipeline to form a communicating vessel. Normal box negative pressure is about 9KPa, and the box that need arrange the buggy closes the air outlet valve and stops the negative pressure, accepts the normal negative pressure of box of buggy, through inside negative pressure to and the dead weight of buggy will deposit the ash and carry another ash bucket box internal discharge, and the back of discharging, the maintenance worker can maintain the card department of dying through the manhole door. Therefore, the operation is convenient, the waste is reduced, the environment is protected, and the time for processing the fault is shortened.
Compared with the prior art, the utility model has the beneficial effects that:
1. when the ash discharge port at the bottom of the ash bucket is seriously blocked, the ash powder in the blocked ash bucket can be cleaned by connecting the ash suction pipe between the two ash buckets, and the ash discharge work of other ash buckets is not influenced;
2. the ash discharging pipe is arranged to clean and transfer ash at the manhole door, so that the problem that a large amount of ash is discharged when the manhole door is opened and environmental pollution is easily caused is avoided;
3. the utility model improves the existing equipment, makes full use of the original structural characteristics and has low cost.
Drawings
FIG. 1 is a front view of a powder bin blockage removing device according to the present invention;
FIG. 2 is a top view of a powder bin blockage removing device according to the present invention;
in the figure: 1. a dust removal bin; 2. an air inlet main pipe; 3. an air outlet branch pipe; 4. an air outlet main pipe; 5. an air outlet valve; 6. an ash hopper; 7. a manhole door; 8. an ash discharge pipe; 9. an ash discharge valve; 10. a dust suction pipe; 11. an ash discharge mechanism; 12. a material level observation port; 13. a vibrator; 14. a gas supplementing pipe; 15. air supplement valve.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In the description of the present invention, it should be noted that the terms "front", "back", "left", "right", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings or the orientation or position relationship that the utility model product is usually placed when in use, and are only for convenience of describing the present invention or simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation or be operated, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1-2, a powder bin blocking removal device comprises a plurality of dust removal bins 1, an air inlet branch pipe and an air outlet branch pipe 3 are arranged on each dust removal bin 1, the air inlet branch pipe is connected with an air inlet main pipe 2, the air outlet branch pipe 3 is connected with an air outlet main pipe 4, an air inlet valve is arranged on each air inlet branch pipe, an air outlet valve 5 is arranged on each air outlet branch pipe 3, a dust hopper 6 is arranged below each dust removal bin 1, a manhole door 7 is arranged on the side wall of each dust hopper 6, a dust discharging pipe 8 is arranged on each manhole door 7, a dust discharging valve 9 is arranged on each dust discharging pipe 8, at least two dust suction pipes 10 are detachably arranged between the dust discharging pipes 8 on the dust hoppers, each dust suction pipe 10 is a hose, and each dust discharging mechanism 11 is arranged at the bottom outlets of the dust hoppers 6.
The powder bin blockage removing device in the scheme comprises a plurality of dust removing bins 1 which can be a plurality of dust removing bins 1 of a set of dust removing equipment and can also be dust removing bins 1 of a plurality of dust removing equipment, wherein the plurality of dust removing bins 1 are arranged to improve dust discharging efficiency, air inlet branch pipes and air outlet branch pipes 3 are arranged on the dust removing bins 1, the air inlet branch pipes are connected with air inlet main pipes 2, the air outlet branch pipes 3 are connected with air outlet main pipes 4, the air inlet main pipes 2, the air inlet branch pipes, the air outlet branch pipes 3 and the air outlet main pipes 4 are used for allowing smoke to enter for dust removal and gas to be discharged after dust removal, air inlet valves are arranged on the air inlet branch pipes to control smoke to enter the dust removing bins 1, air outlet valves 5 are arranged on the air outlet branch pipes 3 to control smoke to be discharged out of the dust removing bins 1, dust hoppers 6 are arranged below the dust removing bins 1 to store and concentrate dust, manhole doors 7 are arranged on the side walls of the dust hoppers 6 to facilitate manual maintenance, be provided with on manhole door 7 and unload ash pipe 8, the downside position that unloads ash pipe 8 and be located manhole door 7 clears up the ash, it unloads grey valve 9 to unload to be provided with on the ash pipe 8, makes things convenient for the material in the ash bucket 6 to unload when the bottom export is plugged up, at least two on the ash bucket unload detachable be provided with between the ash pipe 8 and inhale ash pipe 10, through setting up ash pipe 10, inhale ash 10 pipes can be fixed in on a plurality of dust collecting chambers 1 through the support, ash pipe 10 is the hose, can not influence other dust collecting chambers 1's operation simultaneously in transferring to other normal work's ash buckets 6 with the material in the ash bucket 6 that is blockked up, and ash pipe 10 conveniently connects for the hose, the bottom exit of ash bucket 6 all is provided with dust discharging mechanism 11, controls the emission of material in the ash bucket 6 through dust discharging mechanism 11.
Further, a material level observation port 12 is arranged on the side wall of the ash hopper 6, and scales are marked on the material level observation port 12.
Be provided with material level viewing aperture 12 on the lateral wall of ash bucket 6, the material level condition in the ash bucket 6 is observed to the convenience, material level viewing aperture 12 superscript has the scale, and 6 material levels of each ash bucket of accurate confirmation contrast can connect the storage in each ash bucket 6 of ash suction pipe 10 balance as required, improves discharging efficiency.
Further, the angle of the side wall of the ash bucket 6 is larger than 55 degrees, a vibrator 13 or an air cannon is arranged on the side wall of the ash bucket 6, and the vibrator 13 or the air cannon is positioned at the middle lower side part of the ash bucket 6.
The angle of the side wall of the ash bucket 6 is larger than 55 degrees, so that ash powder is not retained on the side wall and is convenient to flow, the side wall of the ash bucket 6 is provided with the vibrator 13 or the air cannon, the vibrator 13 or the air cannon is positioned at the middle lower side part of the ash bucket 6, the vibrator 13 or the air cannon can rapidly solve the slight blockage problem, the blockage position is generally positioned at the middle lower side part of the ash bucket 6, the blockage clearing efficiency is high, and the material transfer rate can be improved by matching with the ash suction pipe 10.
Further, the ash discharging mechanism 11 is a blade wheel feeder, and the blade wheel feeder is fixed at the bottom outlet of the ash bucket 6 through welding or bolt connection.
The ash discharging mechanism 11 is a vane feeder which is provided with an independent switch to control the discharging rate, the vane feeder is fixed at the bottom outlet of the ash bucket 6 through welding or bolt connection, and the connection is stable through welding or bolt connection.
Furthermore, still be provided with air supplement pipe 14 on the air inlet branch pipe, be provided with filtration in the air supplement pipe 14, be provided with air supplement valve 15 on the air supplement pipe 14.
Still be provided with air supplement pipe 14 on the air inlet branch pipe, set up air supplement pipe 14 and can solve the condition that needs the tonifying qi in the dust removal storehouse 1, for example can open air supplement pipe 14 and make the material discharge smoothly for the tonifying qi in the ash bucket 6 when using dust absorption pipe 10, be provided with filtration in the air supplement pipe 14, prevent that the ash is discharged, be provided with air supplement valve 15 on the air supplement pipe 14, control air supplement pipe 14's switch.
Further, the ash suction pipe 10 is connected with the ash discharge pipe 8 through a connecting flange.
The ash suction pipe 10 is connected with the ash discharge pipe 8 through a connecting flange, the connecting flange is arranged at each of two ends of the ash suction pipe 10, the connecting flange is also arranged on the ash discharge pipe 8, the connecting flange is connected through bolts, and stability is high.
A detachable dust suction pipe 10 is arranged on the manhole door 7, and when the box body of the dust hopper 6 is accumulated dust, the other box body is connected through a pipeline to form a communicating vessel. The ash discharge valves 9 are respectively connected through a DN100 valve through an ash suction pipe 10, the normal box body negative pressure is about 9KPa, the box body needing to discharge the coal powder closes the air outlet valve 5 to stop the negative pressure, the box body receiving the coal powder has the normal negative pressure, and the accumulated ash is conveyed into another ash hopper 6 through the internal negative pressure and the dead weight of the coal powder to be discharged. Therefore, the operation is convenient, the waste is reduced, the environment is protected, and the time for processing the fault is shortened. Every year, the phenomenon of dust removal of a powder preparation system needs to occur for 10 times, the loss of coal powder is reduced by about 10 tons, and the labor intensity cost is reduced by 1.5 ten thousand yuan.
Example 2
The powder bin blockage removing device of the embodiment is further optimized on the basis of the embodiment 1:
further, the ash discharging pipe 8 is arranged on the side wall of the ash bucket 6, and the height of the ash discharging pipe 8 is positioned below the manhole door 7.
The ash discharging pipe 8 is arranged on the side wall of the ash bucket 6, the height of the ash discharging pipe 8 is located below the manhole door 7, and ash powder in the ash bucket 6 can be fully sucked away above the outlet at the bottom of the ash bucket 6, so that the ash powder at the manhole door 7 can be cleaned up, and manual maintenance is facilitated.
Further, an ash conveying device is arranged below the ash discharging mechanism 11, and the ash conveying device is a spiral ash conveyor or a scraper conveyor or an ash conveying container.
An ash conveying device is arranged below the ash discharging mechanism 11, the ash conveying device is a spiral ash conveying machine or a scraper conveyor or an ash conveying container, the spiral ash conveying machine or the scraper conveyor is suitable for continuously conveying ash powder in a large batch, and the ash conveying container is suitable for the condition of smaller ash discharge amount.
Further, the air intake valve the air outlet valve 5 the air supplement valve 15 are solenoid valves, the air intake valve the air outlet valve 5 the equal electrically connected of air supplement valve 15 has control panel, control panel set up in the lateral wall of ash bucket 6 perhaps on the lateral wall of dust removal storehouse 1.
Air intake valve the air outlet valve 5 the tonifying qi valve 15 is the solenoid valve, the air intake valve the air outlet valve 5 the equal electric connection of tonifying qi valve 15 has control panel, it is right through control panel the air intake valve the air outlet valve 5 the tonifying qi valve 15 carries out remote control, reduces artifical intensity, control panel set up in the lateral wall of ash bucket 6 perhaps make things convenient for manual operation on the lateral wall in dust removal storehouse 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A powder bin blockage removing device is characterized by comprising a plurality of dust removing bins, wherein the dust removing bins are respectively provided with an air inlet branch pipe and an air outlet branch pipe, the air inlet branch pipes are respectively connected with an air inlet main pipe, the air outlet branch pipes are respectively connected with an air outlet main pipe, the air inlet branch pipes are respectively provided with an air inlet valve, the air outlet branch pipes are respectively provided with an air outlet valve, and dust hoppers are respectively arranged below the dust removing bins; the angle of the side wall of the ash bucket is larger than 55 degrees, a material level observation port is arranged on the side wall of the ash bucket, scales are marked on the material level observation port, a manhole door is arranged on the side wall of the ash bucket, an ash discharge pipe is arranged on the manhole door, and an ash discharge valve is arranged on the ash discharge pipe; at least two on the ash bucket unload between the ash pipe detachable be provided with the ash suction pipe, the ash suction pipe is the hose, every the bottom exit of ash bucket all is provided with dust discharging mechanism.
2. The powder bin blockage draining device according to claim 1, wherein a vibrator or an air cannon is arranged on the side wall of the ash bucket, and the vibrator or the air cannon is positioned at the middle lower side part of the ash bucket.
3. The powder bin blockage removing device according to claim 1, wherein the ash discharging mechanism is a vane feeder, and the vane feeder is fixed at the bottom outlet of the ash bucket through welding or bolt connection.
4. The powder bin blockage removing device according to claim 1, wherein an air supply pipe is further arranged on the air inlet branch pipe, a filtering structure is arranged in the air supply pipe, and an air supply valve is arranged on the air supply pipe.
5. The powder bin blockage draining device according to claim 1, wherein the ash suction pipe is connected with the ash discharge pipe through a connecting flange.
6. The powder bin blockage draining device according to claim 1, wherein an ash conveying device is arranged below the ash discharging mechanism, and the ash conveying device is a spiral ash conveyor or a scraper conveyor or an ash conveying container.
7. The powder bin blockage removing device according to claim 4, wherein the air inlet valve, the air outlet valve and the air supply valve are all electromagnetic valves, the air inlet valve, the air outlet valve and the air supply valve are all electrically connected with a control panel, and the control panel is arranged on the side wall of the ash hopper or the side wall of the dust removal bin.
8. The powder bin blockage draining device according to claim 1, wherein the ash discharging pipe is arranged on the side wall of the ash bucket, and the height of the ash discharging pipe is below the manhole door.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122395126.1U CN216457669U (en) | 2021-09-30 | 2021-09-30 | Powder bin blockage removing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122395126.1U CN216457669U (en) | 2021-09-30 | 2021-09-30 | Powder bin blockage removing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114870533A (en) * | 2022-05-23 | 2022-08-09 | 成都易态科技有限公司 | Ash discharge balancing device and filter |
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2021
- 2021-09-30 CN CN202122395126.1U patent/CN216457669U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114870533A (en) * | 2022-05-23 | 2022-08-09 | 成都易态科技有限公司 | Ash discharge balancing device and filter |
| CN114870533B (en) * | 2022-05-23 | 2023-07-04 | 成都易态科技有限公司 | Ash discharging balancing device and filter |
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