CN110917731B - Environment-friendly ash removal device for deep cleaning filter cartridge and use method - Google Patents
Environment-friendly ash removal device for deep cleaning filter cartridge and use method Download PDFInfo
- Publication number
- CN110917731B CN110917731B CN201911410663.XA CN201911410663A CN110917731B CN 110917731 B CN110917731 B CN 110917731B CN 201911410663 A CN201911410663 A CN 201911410663A CN 110917731 B CN110917731 B CN 110917731B
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- jacking
- box body
- cylinder
- assembly
- filter cartridge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D41/00—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids
- B01D41/04—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids of rigid self-supporting filtering material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cleaning In General (AREA)
Abstract
The invention provides an environment-friendly ash removal device for a deep cleaning filter cartridge, which comprises a box body, an electric cabinet, a rotary clamping assembly and a jacking assembly, wherein the box body is provided with a plurality of air inlets; the rotary clamping assembly and the jacking assembly are arranged up and down oppositely to fix the filter cartridge; the electric cabinet is in signal connection with the rotary clamping assembly and the jacking assembly; wherein, the box body is provided with an access door; the electrical cabinet is fixed on the box body; the rotary clamping assembly comprises a gear reduction motor and a clamp; the jacking assembly comprises a cylinder, a cylinder bearing, a jacking supporting plate, a jacking component and a jacking shaft. In the invention, the filter cylinder is clamped on the rotary clamping assembly through the electric cabinet, the jacking assembly and the rotary clamping assembly in the closed space of the box body, and then the rotary clamping assembly drives the filter cylinder to rotate, so that dust is centrifugally thrown out, the purpose of deep cleaning is realized, and meanwhile, the dust raising phenomenon caused by ash cleaning is avoided. The invention also provides a use method of the environment-friendly ash removal device for the deep cleaning filter cylinder.
Description
Technical Field
The invention belongs to the technical field of dust removal, and particularly relates to an environment-friendly ash removal device for a deep cleaning filter cylinder and a use method thereof.
Background
In the existing dust removal technology in the dust removal field, a filter cylinder is arranged on a dust remover for cleaning, and the working principle of the two modes is that a reverse acting force is applied from the inside of the filter cylinder to realize dust removal in a pulse cleaning or mechanical vibration mode. However, when the dust adhesion is strong, or the dust is deeply hidden in the folding groove, or the filter cylinder reaches the service life and the inside is completely blocked, the pulse cleaning or the mechanical vibration cannot be effectively cleaned due to the limitation of indirect force application.
In the prior art, aiming at the work of removing the dust of the filter cartridge, the filter cartridge is usually and manually knocked violently mechanically or is cleaned by long-time jetting of compressed air, which is labor-and labor-consuming, and meanwhile, the dust generated during cleaning can cause secondary pollution to the environment.
Disclosure of Invention
The invention aims to provide an environment-friendly ash removal device for a deep cleaning filter cylinder and a use method thereof, which can be used for deep cleaning the filter cylinder and simultaneously avoiding dust emission caused by ash removal. In order to achieve the above purpose, the invention adopts the following technical scheme: an environment-friendly ash removal device for deeply cleaning a filter cylinder comprises a box body, an electric cabinet, a rotary clamping assembly and a jacking assembly; the rotary clamping assembly and the jacking assembly are arranged up and down oppositely to fix the filter cartridge; the electric cabinet is in signal connection with the rotary clamping assembly and the jacking assembly;
wherein, the box body is provided with an access door for placing the filter cartridge; the electrical cabinet is fixed on the box body;
the rotary clamping assembly comprises a gear reduction motor and a clamp; the gear reduction motor is fixed on the box body; the output end of the gear reduction motor is in transmission connection with the clamp; the clamp is positioned in the box body;
the jacking assembly comprises a cylinder, a cylinder bearing, a jacking supporting plate, a jacking component and a jacking shaft; the jacking bearing, the jacking supporting plate, the jacking component and the jacking shaft are all positioned in the box body;
the cylinder bearing is fixed on the box body; the cylinder rod of the cylinder is matched with the cylinder bearing and extends into the box body; the jacking supporting plate is fixedly connected with the cylinder rod; the jacking bearing is fixed on the jacking supporting plate;
the jacking shaft is matched with the jacking bearing; the jacking component is fixed on the jacking shaft.
Preferably, the jacking component is a tip cone; the small end of the tip cone extends into the filter cylinder.
Preferably, the clamp is a four-jaw chuck.
Preferably, the bottom of the box body is provided with a dust outlet; the dust outlet is externally connected with a dust collection assembly.
Preferably, the dust collection assembly comprises a dust collection barrel, a flat filter element and a foot pad; the dust collection barrel is fixed on the dust outlet; the flat filter element is clamped in the dust collection barrel; the bottom of the flat filter element is clamped with the pad.
Preferably, the dust collection barrel is provided with a dust collection opening; the dust collection port is lower than the flat filter element; the dust collection port is externally connected with a fan.
Preferably, the device further comprises a blowing component; the blowing assembly comprises a blowing cylinder, an air pipe joint, a nozzle and a drain valve; the air pipe joint is arranged on the blowing cylinder and communicated with the blowing cylinder; one end of the blowing cylinder body extends into and is clamped on the box body;
the nozzle is positioned in the box body and is connected with a section of thread of the blowing cylinder body extending into the box body;
the drain valve is arranged on an outer connecting pipeline of the injection cylinder body.
Preferably, the device further comprises a deflector rod assembly; the deflector rod assembly comprises an elastic component, a deflector rod, a knob, a mounting nut and a locking nut; the mounting nut is fixed on the outer wall of the box body; the deflector rod is matched with the mounting nut and extends into the box body;
the section of the deflector rod extending into the box body is a polished rod and sleeved with the elastic component; one end of the deflector rod extending out of the box body is a knob;
one section of the deflector rod extending out of the box body is in threaded connection with the lock nut;
and rotating the knob, wherein the elastic part can be in contact with the filter cylinder, and rotating the locking nut to be attached to the mounting nut so as to lock the deflector rod.
Preferably, the device further comprises a rising foot switch and a falling foot switch; the ascending foot switch and the descending foot switch are connected with the electrical cabinet through signals.
Preferably, the gear reduction motor comprises a gear motor and a gear transmission assembly; the input end of the gear transmission assembly is connected with the gear motor; the output end of the gear transmission assembly is in transmission connection with the rotating shaft; the rotating shaft is in transmission connection with the clamp.
The invention also provides a use method of the environment-friendly ash removal device for the deep cleaning filter cartridge, which comprises the following steps: step S1, a step S1; placing the filter cartridge on the jacking assembly from the access door, and stepping on the lifting foot switch to lift the filter cartridge until the top of the filter cartridge contacts the four-jaw chuck, and adjusting and locking the jaws to clamp the filter cartridge;
s2, a step of S2; closing the access door, rotating the deflector rod until the elastic component contacts with the filter cylinder, screwing the lock nut, and connecting compressed air into the injection assembly;
s3, a step of S3; starting a gear reduction motor and a fan, starting a cleaning period, and observing the cleaning condition of the filter cartridge from an observation window in real time;
s4, a step of S4; after the cleaning operation is finished, the gear reduction motor and the fan are turned off, and the compressed air source is disconnected; then opening the access door, loosening the four-jaw chuck, and stepping down the foot switch to take out the filter cartridge; and (5) pulling out the hose, loosening the anchor ear, and taking out the dust collection barrel.
Compared with the prior art, the invention has the advantages that: the filter cylinder is clamped in the rotating assembly and the jacking assembly and rotates rapidly, dust is thrown out by centrifugal force, and deep cleaning of the filter cylinder can be achieved. Meanwhile, the whole ash cleaning process is operated in the closed space of the box body, and flying dust cannot overflow.
Drawings
FIG. 1 is a front view of an environmental protection ash removal device for a deep cleaning cartridge according to an embodiment of this invention; FIG. 2 is a front isometric view of FIG. 1;
FIG. 3 is a rear isometric view of FIG. 1;
FIG. 4 is a view of the lever assembly of FIG. 1 prior to locking;
FIG. 5 is a view of the lever assembly of FIG. 1 after locking;
fig. 6 is a block diagram of the dust collection assembly of fig. 1.
Wherein, 1-blower, 2-box, 201-observation window, 201-access door, 3-electrical cabinet, 4-rotary clamping component, 401-gear reduction motor, 402-rotation axis, 403-fixture, 5-blowing component, 501-air pipe joint, 502-nozzle, 503-drain valve, 6-jacking component, 601-jacking component, 602-jacking shaft, 603-jacking bearing, 604-cylinder, 605-cylinder bearing, 606-jacking support plate, 607-jacking foot switch, 608-descending foot switch,
7-dust collection components, 701-dust collection barrels, 702-flat filter elements, 703-foot pads, 704-hoops, 705-hoses, 8-deflector rod components,
801-elastic components, 802-shift levers, 803-lock nuts, 804-mounting nuts, 805-knobs.
Description of the embodiments
The environment-friendly ash removal device of the deep cleaning cartridge of the present invention will be described in more detail below with reference to the drawings, wherein preferred embodiments of the invention are shown, it being understood that the invention described herein may be modified by those skilled in the art while still achieving the advantageous effects of the invention. Accordingly, the following description is to be construed as broadly known to those skilled in the art and not as limiting the invention.
The invention provides an environment-friendly ash removal device for a deep cleaning filter cartridge. An access door is arranged on the box body, and the rotary clamping assembly and the jacking assembly are oppositely arranged to fix the filter cartridge; the electric cabinet signal connection rotary clamping assembly and the jacking assembly. Specifically, an operator places the filter cartridge from the access door onto the jacking assembly; and then the jacking component is started through the electrical cabinet, moves towards the rotary clamping component, clamps the filter cylinder on the rotary clamping component, drives the filter cylinder to rotate, and centrifugally throws out dust, so that the purpose of deep cleaning is realized.
As shown in fig. 1 to 3, in this embodiment, the specific structure of the environment-friendly ash removal device for deep cleaning filter cartridges is as follows: the device comprises a box body 2, an electrical cabinet 3, a rotary clamping assembly 4, a jacking assembly 6, a dust collection assembly 7, a blowing assembly 5, a deflector rod assembly 8, a fan 1, a lifting foot switch 607 and a descending foot switch 608; the ascending foot switch 607, the descending foot switch 608, the rotary clamping component 4 and the jacking component 6 are all in signal connection with the electrical cabinet 3. The specific structure of each part and the position relation among the parts are as follows:
the box body 2 is a closed space; an access door 201 is arranged on the back of the box body 2 and is used for mounting and dismounting; the front of the box body 2 is provided with an observation window 201 for observing the cleaning condition of the filter cartridge in real time. The bottom of the box body 2 is a funnel; the bottom of the box body 2 is provided with a dust outlet;
the dust outlet is externally connected with a dust collection component 7. The observation window 201 is made of transparent hard plastic material, and is fixed on the box body 2 by bolts and nuts, and sealing cotton is filled between the observation window and the box body.
The electrical cabinet 3 is fixed on the side wall of the box body 2, such as the left side; in other embodiments than the present embodiment, the position setting of the electrical cabinet 3 is not limited. The electric cabinet 3 is also provided with a start button and a stop button of the gear reduction motor, an operation indicator lamp of the gear reduction motor, a start button and a stop button of the fan, a fan operation indicator lamp, a blowing start button, a stop button, a blowing operation indicator lamp and a fault alarm lamp.
The rotary clamping assembly 4 and the jacking assembly 6 are arranged up and down oppositely, and two ends of the filter cylinder in the axial direction are respectively clamped on the rotary clamping assembly 4 and the jacking assembly 6; in other embodiments than the present embodiment, the rotary clamping unit 4 and the jacking unit 6 may be provided to face each other.
The rotary clamping assembly 4 comprises a gear reduction motor 401, a rotary shaft 402 and a clamp 403; the gear reduction motor 401 includes a gear motor and a gear assembly; the input end of the gear transmission assembly is connected with a speed reducing motor; the output end of the gear transmission assembly is in transmission connection with the rotating shaft; the rotation shaft is in driving connection with the clamp 403. The clamp 403 is located in the case 2. The gear motor is fixed at the top of the box body 2 through bolts and nuts, and the input end and the output end of the gear transmission assembly are respectively connected with the gear motor and the rotating shaft 402; the rotating shaft 402 is in transmission connection with the clamp 403; the clamp 403 and the rotary shaft 402 transmit torque to each other through the flat key bar. In this embodiment, the jig 403 is a four-jaw chuck.
The jacking assembly 6 includes a cylinder 604, a cylinder bearing 605, a jacking bearing 603, a jacking support plate 606, a jacking member 601, and a jacking shaft 602. The jacking bearing 603, the jacking supporting plate 606, the jacking component 601 and the jacking shaft 602 are all positioned in the box body 2;
the cylinder bearing 605 is fixed at the bottom of the box body 2 and is a linear bearing; the cylinder rods of the cylinders 604 are matched with the cylinder bearings 605 and extend into the box body 2, the number of the cylinders 604 is 2, and the cylinders are symmetrically arranged on the frames on two sides of the box body 2; round holes are formed at two ends of the jacking supporting plate 606 and fixedly connected with the cylinder rod through nuts, and the jacking supporting plate 606 is horizontally arranged; the jacking bearing 603 is fixed on the jacking supporting plate 606, the middle part of the jacking supporting plate 606 is provided with a cylindrical bearing sleeve, and the jacking bearing 603 is arranged in the bearing sleeve; the jacking shaft 602 is inserted into the jacking bearing 603 to be engaged with the jacking bearing 603; the bottom of the jacking shaft 602 is locked on the jacking bearing 603 by bolts and nuts, and the jacking component 601 is fixed on the upper end of the jacking shaft 602 by bolts.
The blowing assembly 5 comprises a blowing cylinder, an air pipe joint 501, a nozzle 502 and a drain valve 503; the air pipe joint 501 is arranged on the blowing cylinder and communicated with the blowing cylinder, one end of the blowing cylinder extends into and is clamped on the box body 2, and the air pipe joint 501 is used for externally connecting a compressed air source; one end of the nozzle 502 is communicated with the blowing cylinder, is positioned in the box body 2, and is in threaded connection with a section of the blowing cylinder extending into the box body 2. A sealing ring is arranged between the nozzle 502 and the box body 2; the drain valve 503 is installed on the external pipeline of the injection cylinder, and is used for discharging the compressed air to separate out water. Wherein, the nozzle 502 stretches into the end of the box body 2 to be a horn mouth shape, so that compressed gas can be conveniently diffused.
As shown in fig. 4 to 5, the lever assembly 8 includes an elastic member 801, a lever 802, a lock nut 803, a mounting nut 804 to a knob 805; the mounting nut 804 is fixed (welded) on the outer wall of the case 2; the deflector rod 802 is matched with the mounting nut 804 and extends into the box 2; one section of the deflector rod 802 extending into the box body 2 is a polished rod and is sleeved with an elastic part 801; one end of the deflector rod 802 extending out of the case 2 is a knob 805; a section of the deflector rod 802 extending out of the box body is in threaded connection with the lock nut 803; the knob 805 is rotated and the resilient member can be contacted with the filter cartridge, after which the lock nut 803 is rotated to fit the mounting nut 804 to lock the lever 802. When the filter cartridge rotates, the friction force hits the shift lever 802, and the friction force drives the shift lever 802 to rotate together, which causes the length of the shift lever extending into the filter cartridge to change or break. A lock nut 803 is provided to prevent the lever 802 from following the cartridge rotation. Wherein the elastic member 801 is a rubber.
As shown in fig. 6, the dust collection assembly 7 includes a dust collection tub 701, a flat filter 702, and a foot pad 703; the dust collection barrel 701 is fixed on the dust outlet, and the dust collection barrel 701 is connected with the bottom of the box body 2 through a hoop 704; the flat filter element 702 is clamped in the dust collection barrel 701; the bottom of the flat filter element 702 is clamped with a pad 703. The dust collection barrel 701 is provided with a dust collection port; the dust collection port is lower than the flat filter element 702; the dust collection port is connected with the inlet of the fan 1 through a hose 705. Wherein, the flat filter element 702 is circular, and the external diameter is larger than the internal diameter of the dust collection barrel 701. The pad 703 is higher than the upper edge of the dust suction opening. The flat filter element 702 is pressed into the dust collection barrel 701 and is tightly attached to the pad 703, the fan 1 and a dust source are isolated, dust cannot be sucked by the fan 1, and the aim of meeting the environmental protection requirement can be fulfilled.
The fan 1 adopts a backward tilting centrifugal fan 1, the air quantity is selected according to the volume of the box body 2, and the air pressure is selected according to 2000 Pa. In the cleaning process, the fan 1 continuously draws air from the bottom of the dust collection assembly 7, and negative pressure formed in the cavity can rapidly collect flying dust into the dust collection barrel 701.
In this embodiment, the jacking component 601 is a tip cone; the small end of the tip cone extends into the filter cartridge.
The invention also provides a use method of the environment-friendly ash removal device for the deep cleaning filter cartridge, which comprises the following steps: 1) An operator places the cartridge on the jacking assembly 6 from the access door 201 and depresses the lifting foot switch 607 to raise the cartridge to the top in contact with the four-jaw chuck, adjusting and locking the jaws to grip the cartridge.
2) The access door 201 is closed, the lever 802 is rotated until the resilient member 801 contacts the cartridge, the lock nut 803 is tightened, and compressed air is introduced into the injection assembly 5.
3) After the installation process is finished, the gear reduction motor 401 and the fan 1 are started, a cleaning cycle is started, and an operator observes the cleaning condition of the filter cartridge from the observation window 201 in real time.
4) After the cleaning operation is finished, the gear reduction motor 401 and the fan 1 are turned off, and the compressed air source is turned off. The access door 201 is then opened, the four-jaw chuck is released, and the foot pedal 608 is depressed to remove the cartridge. The hose 705 is pulled out, and the dust collection bucket 701 can be taken out after the hoop 704 is loosened.
In summary, in the environment-friendly ash removal device for deep cleaning filter cartridges provided by the embodiment, the filter cartridges are clamped in the rotating assembly and the jacking assembly 6 to rotate rapidly, the formed centrifugal force throws out dust, and meanwhile, when the filter cartridges rotate, the surfaces of the filter cartridges are in contact with the deflector rod 802, the vibration enables stubborn dust in the filter cartridge folding grooves to fall off, and the compressed air is used for blowing, so that the deep cleaning of the filter cartridges can be realized.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Any person skilled in the art will make any equivalent substitution or modification to the technical solution and technical content disclosed in the invention without departing from the scope of the technical solution of the invention, and the technical solution of the invention is not departing from the scope of the invention.
Claims (8)
1. An environment-friendly ash removal device for deeply cleaning a filter cartridge is characterized by comprising a box body, an electric cabinet, a rotary clamping assembly and a jacking assembly; the rotary clamping assembly and the jacking assembly are arranged up and down oppositely to fix the filter cartridge; the electrical cabinet is in signal connection with the rotary clamping assembly and the jacking assembly;
wherein, the box body is provided with an access door for placing the filter cartridge; the electrical cabinet is fixed on the box body;
the rotary clamping assembly comprises a gear reduction motor and a clamp; the gear reduction motor is fixed on the box body; the output end of the gear reduction motor is in transmission connection with the clamp; the clamp is positioned in the box body;
the jacking assembly comprises a cylinder, a cylinder bearing, a jacking supporting plate, a jacking component and a jacking shaft; the jacking bearing, the jacking supporting plate, the jacking component and the jacking shaft are all positioned in the box body;
the cylinder bearing is fixed on the box body; the cylinder rod of the cylinder is matched with the cylinder bearing and extends into the box body; the jacking supporting plate is fixedly connected with the cylinder rod; the jacking bearing is fixed on the jacking supporting plate; the jacking shaft is matched with the jacking bearing; the jacking component is fixed on the jacking shaft;
a deflector rod assembly; the deflector rod assembly comprises an elastic component, a deflector rod, a knob, a mounting nut and a locking nut;
the mounting nut is fixed on the outer wall of the box body; the deflector rod is matched with the mounting nut and extends into the box body;
the section of the deflector rod extending into the box body is a polished rod and sleeved with the elastic component; one end of the deflector rod extending out of the box body is a knob;
one section of the deflector rod extending out of the box body is in threaded connection with the lock nut;
rotating the knob, wherein the elastic part can be in contact with the filter cylinder, and rotating a locking nut to be attached to the mounting nut so as to lock the deflector rod;
a blowing assembly; the blowing assembly comprises a blowing cylinder, an air pipe joint, a nozzle and a drain valve;
the air pipe joint is arranged on the blowing cylinder and communicated with the blowing cylinder; one end of the blowing cylinder body extends into and is clamped on the box body;
the nozzle is positioned in the box body and is connected with a section of thread of the blowing cylinder body extending into the box body;
the drain valve is arranged on an outer connecting pipeline of the injection cylinder body.
2. The environmentally friendly ash removal device for deep cleaning cartridges of claim 1 wherein said jacking member is a tip cone; the small end of the tip cone extends into the filter cylinder.
3. The environmentally friendly ash removal device for deep cleaning filter cartridges of claim 1 wherein said clamp is a four jaw chuck.
4. The environmentally friendly ash removal device for a deep cleaning filter cartridge of claim 1, wherein a dust outlet is formed in the bottom of the box; the dust outlet is externally connected with a dust collection assembly.
5. The environmentally friendly ash removal device for deep cleaning cartridges of claim 4 wherein said dust collection assembly comprises a dust collection barrel, a flat filter element and a foot pad; the dust collection barrel is fixed on the dust outlet; the flat filter element is clamped in the dust collection barrel; the bottom of the flat filter element is clamped with the pad.
6. The environmentally friendly ash removal device for deep cleaning filter cartridges of claim 5, wherein said dust collection barrel is provided with a dust collection port; the dust collection port is lower than the flat filter element; the dust collection port is externally connected with a fan.
7. The environmentally friendly ash removal device for deep cleaning filter cartridges according to any one of claims 1 to 6, comprising an ascending foot switch and a descending foot switch; the ascending foot switch and the descending foot switch are connected with the electrical cabinet through signals.
8. The application method of the environment-friendly ash removal device for the deep cleaning filter cartridge is characterized by comprising the following steps of:
step S1, a step S1; placing the filter cartridge on the jacking assembly from the access door, and stepping on the lifting foot switch to lift the filter cartridge until the top of the filter cartridge contacts the four-jaw chuck, and adjusting and locking the jaws to clamp the filter cartridge;
s2, a step of S2; closing the access door, rotating the deflector rod until the elastic component contacts with the filter cylinder, screwing the lock nut, and connecting compressed air into the injection assembly;
s3, a step of S3; starting a gear reduction motor and a fan, starting a cleaning period, and observing the cleaning condition of the filter cartridge from an observation window in real time;
s4, a step of S4; after the cleaning operation is finished, the gear reduction motor and the fan are turned off, and the compressed air source is disconnected; then opening the access door, loosening the four-jaw chuck, and stepping down the foot switch to take out the filter cartridge; and (5) pulling out the hose, loosening the anchor ear, and taking out the dust collection barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911410663.XA CN110917731B (en) | 2019-12-31 | 2019-12-31 | Environment-friendly ash removal device for deep cleaning filter cartridge and use method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911410663.XA CN110917731B (en) | 2019-12-31 | 2019-12-31 | Environment-friendly ash removal device for deep cleaning filter cartridge and use method |
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| CN110917731A CN110917731A (en) | 2020-03-27 |
| CN110917731B true CN110917731B (en) | 2023-08-08 |
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| CN111530172B (en) * | 2020-04-26 | 2022-07-12 | 高丽媛 | Jet ash removal device for household appliances |
| CN114470974B (en) * | 2022-01-25 | 2023-05-16 | 恒达富士电梯有限公司 | Filter element recovery method and device for elevator cooperative production line |
| CN115648118A (en) * | 2022-12-27 | 2023-01-31 | 华芯半导体研究院(北京)有限公司 | Maintenance device for filter for epitaxial growth of compound semiconductor material |
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