CN114849358A - Automatic dust discharging pulse dust collector based on PTFE filter bag - Google Patents
Automatic dust discharging pulse dust collector based on PTFE filter bag Download PDFInfo
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- CN114849358A CN114849358A CN202210284650.8A CN202210284650A CN114849358A CN 114849358 A CN114849358 A CN 114849358A CN 202210284650 A CN202210284650 A CN 202210284650A CN 114849358 A CN114849358 A CN 114849358A
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- 239000000428 dust Substances 0.000 title claims abstract description 143
- 238000007599 discharging Methods 0.000 title claims abstract description 34
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims abstract description 24
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 238000005192 partition Methods 0.000 claims abstract description 18
- 238000000926 separation method Methods 0.000 claims description 35
- 238000007664 blowing Methods 0.000 claims description 14
- 238000001125 extrusion Methods 0.000 claims description 13
- 238000010030 laminating Methods 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims 2
- 125000006850 spacer group Chemical group 0.000 claims 2
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 14
- 230000002441 reversible effect Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000010355 oscillation Effects 0.000 description 5
- 239000002912 waste gas Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/06—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material with means keeping the working surfaces flat
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- 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)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention belongs to the technical field of dust collectors, and particularly relates to an automatic dust discharging pulse dust collector based on a PTFE filter bag, which comprises a shell, wherein a partition plate is arranged in an inner cavity of the shell, a partition pipe extending downwards is arranged on a body of the partition plate, a dust discharging plate is arranged on the lower side of the partition pipe, a limiting rod is movably connected between the dust discharging plate and the partition pipe, a buffer spring is sleeved on the outer side of the limiting rod, the lower side of the buffer spring is connected with the partition pipe, an electromagnet is embedded on the lower side of the body of the partition pipe, a filter is arranged in the inner cavity of the partition pipe, the lower end of the filter is attached to the dust discharging plate, a sealing cover is arranged on the upper side of the partition pipe, the buffer spring is sleeved on the outer side of the limiting rod, the buffer spring can play a buffering role, and when the dust discharging plate moves the limiting rod to move downwards, the buffer of the buffer spring, the limiting rod can be prevented from generating overlarge impact force.
Description
Technical Field
The invention relates to the technical field of dust collectors, in particular to an automatic dust discharging pulse dust collector based on a PTFE filter bag.
Background
A dust remover is a device for separating dust from flue gas, and is called a dust remover or a dust removing device. The commonly used dust collectors mainly include dry mechanical dust collectors, wet dust collectors, particle layer dust collectors, bag type dust collectors and electric dust collectors. The bag type dust collector is a dust collection device taking a fiber woven fabric or a filling layer as a filter medium, has wide application range, form range, dust collection air volume scale range and action efficiency range, and is mainly used in places for collecting fine dust. The pulse dust collector is a novel dust collector improved on the basis of a bag type dust collector, and can blow out dust in a filter bag through reverse blowing, so that excessive dust is on the filter bag, and the air volume of the filter bag is kept at a higher level.
When the pulse dust collector filters dust, the filter bag can filter most dust particles, but part of the dust particles can pass through the filter bag, the airflow is decelerated by the obstruction of the filter bag, and then the dust particles passing through the filter bag begin to fall down; the filter bag in the existing pulse dust collector is mainly vertically installed during installation, and the installation modes mainly comprise two installation modes, namely, the filter bag is inverted, namely, the opening of the filter bag faces downwards, and dust particles can fall around the filter bag after passing through the filter bag; the other is a positive type, that is, the opening of the filter bag is upward, and dust particles can fall into the inner cavity of the filter bag after passing through the filter bag; when the pulse dust collector automatically removes dust, dust particles passing through the filter bag are difficult to remove, and after the dust particles are accumulated for a long time, the filter bag needs to be removed for manual dust removal.
Disclosure of Invention
The invention aims to provide an automatic dust discharging pulse dust collector based on a PTFE filter bag, which aims to solve the problem that dust can still be accumulated in the pulse dust collector during automatic dust collection in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: an automatic dust discharging pulse dust collector based on a PTFE filter bag comprises a shell, wherein a partition plate is arranged in an inner cavity of the shell, a separation pipe extending downwards is arranged on a body of the partition plate, a dust discharging plate is arranged on the lower side of the separation pipe, a limiting rod is movably connected between the dust discharging plate and the separation pipe, a buffer spring is sleeved on the outer side of the limiting rod, the lower side of the buffer spring is connected with the separation pipe, a first electromagnet is embedded on the lower side of the body of the separation pipe, a filter is arranged in the inner cavity of the separation pipe, the lower end of the filter is attached to the dust discharging plate, a sealing cover is arranged on the upper side of the separation pipe, an arc pipe is arranged in the inner cavity of the shell, a hose is connected between the sealing cover and the arc pipe, the right end of the arc pipe penetrates through the shell and is connected with an exhaust pipe, and the left end of the arc pipe penetrates through the shell and is connected with a blowing pipe, the utility model discloses an electronic control device, including shell, compressed air storage bag, jetting pipe, pulse solenoid valve and electromagnet, backup pad and pulse control appearance are installed to the outside of shell, compressed air storage bag is installed to the upside of backup pad, compressed air storage bag has pulse solenoid valve through pipe connection, pulse solenoid valve's the other end is connected with the jetting pipe, pulse solenoid valve and an electromagnet are connected with pulse control appearance through the wire respectively, the left side below of shell is provided with the intake pipe, the downside of shell is provided with the dust exhaust pipe.
Preferably, a magnetic plate is embedded on the upper side of the body of the dust discharge plate and corresponds to the first electromagnet.
Preferably, a three-way electromagnetic valve is arranged on the body of the blowing pipe, the three-way electromagnetic valve is connected with the pulse controller through a lead, an air hole in the lower side of the three-way electromagnetic valve is communicated with the inner cavity of the shell through a pipeline, and the communicated position is located on the lower side of the partition plate.
Preferably, the filter includes the outer keel, the inboard of outer keel is provided with the inner keel, the PTFE filter bag has been placed between outer keel and the inner keel.
Preferably, the upside of outer keel is connected with the stripper plate, the downside of sealed lid is provided with guide post and extrusion spring, the guide hole has been seted up on vertical to the body of stripper plate, the lower extreme of going up the guide post runs through the guide hole, the lower extreme and the stripper plate laminating of extrusion spring.
Preferably, the downside of outer keel is provided with sealed clamp plate, the downside of inner keel is provided with sealed preforming, directional hole has all been seted up on vertical to the body of sealed clamp plate and sealed preforming, lower guide post is installed to the upside of letting out the dirt board, the upper end of lower guide post runs through directional hole on the sealed clamp plate and the directional hole on the sealed preforming.
Preferably, a flow baffle is arranged on the lower side of the inner cavity of the shell and is positioned on the right side of the air inlet pipe.
Preferably, a vibration groove is formed in the body of the separation tube, a guide rod is inserted in an inner cavity of the vibration groove, one side, far away from the filter, of the guide rod is connected with a reset spring, one side, close to the filter, of the guide rod is connected with a vibration contact, a second electromagnet corresponding to the guide rod is embedded in the body of the separation tube, and the second electromagnet is connected with the pulse controller through a wire.
Compared with the prior art, the invention has the beneficial effects that:
1) the device adopts a flip-chip mounting method to place the filter in the inner cavity of the separating tube, the lower side of the filter is attached to the dust discharge plate, the dust discharge plate is connected with the separating tube through a limiting rod, when more dust is accumulated on the outer side of the filter, the dust discharge plate can be controlled to move downwards, the dust on the outer side of the filter can slide along a gap between the separating tube and the dust discharge plate, and then the dust discharge plate is adsorbed by a first electromagnet embedded on the separating tube, so that the connection between the dust discharge plate and the filter is completed;
2) the buffer spring is sleeved outside the limiting rod and can play a role in buffering, and when the dust discharging plate drives the limiting rod to move downwards, the limiting rod can be prevented from generating overlarge impact force through the buffering of the buffer spring;
3) when the filter is installed, the power supply of the electromagnet I is cut off, and the buffer spring, the limiting rod and the dust discharge plate form a buffer device, so that the filter impacting the dust discharge plate can be prevented from generating large impact force;
4) when the limiting rod automatically moves downwards under the action of gravity, the elastic force of the buffer spring can drive the limiting rod to shake up and down, and at the moment, the limiting rod can drive the filter to shake through the dust discharging plate, so that dust particles adhered to the filter can be shaken off.
Drawings
FIG. 1 is a front view cross-sectional structural schematic of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic view of a dust discharging plate structure according to the present invention;
FIG. 4 is a schematic bottom view of the divider tube of the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
FIG. 6 is a front view cross-sectional structural schematic of the filter of the present invention;
FIG. 7 is a schematic bottom view of the arced tube of the present invention;
FIG. 8 is a schematic partial structural view of a front view of the blowing tube of the present invention;
FIG. 9 is an enlarged view of the structure at C of FIG. 1 according to the present invention.
In the figure: the device comprises a shell 1, an air inlet pipe 2, a dust exhaust pipe 3, an exhaust pipe 4, a blowing pipe 5, a three-way solenoid valve 51, a pulse solenoid valve 6, a compressed air storage bag 7, a support plate 8, a pulse controller 9, an arc pipe 10, a hose 11, a sealing cover 12, a partition plate 13, a filter 14, an external keel 141, a PTFE filter bag 142, an internal keel 143, an extrusion plate 144, a sealing pressing sheet 145, a sealing pressing sheet 146, a dust discharge plate 15, a partition pipe 16, a limiting rod 17, a buffer spring 18, an electromagnet 19I, a guide post 20 below, an upper guide post 21, an extrusion spring 22, an electromagnet 23 II, a guide rod 24, a return spring 25 and a vibrating contact 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-8, the present invention provides a technical solution: an automatic dust discharging pulse dust collector based on a PTFE filter bag comprises a shell 1, a detachable dust removing cover is arranged above a body of the shell 1, the structure in an inner cavity of the shell 1 can be maintained after the dust removing cover is detached, a partition plate 13 is arranged in the inner cavity of the shell 1, the inner cavity of the shell 1 is divided into an upper part and a lower part by the partition plate 13, the inner cavity of the upper part is a dust-free cavity, the inner cavity of the lower part is a volume cavity, a separation pipe 16 extending downwards is arranged on the body of the partition plate 13, the separation pipe 16 can be detached, a dust discharging plate 15 is arranged on the lower side of the separation pipe 16, a certain gradient is arranged on the outer side of the upper surface of the dust discharging plate 15 and the lower side of the separation pipe 16, a gradient exists on the upper surface of the dust discharging plate 15, dust can fall conveniently, a limit rod 17 is movably connected between the dust discharging plate 15 and the separation pipe 16, the lower end of the limit rod 17 is fixedly connected with the dust discharging plate 15, a mounting groove is formed on the lower side of the body of the separation pipe 16, the upper end of the limiting rod 17 is movably inserted into the inner cavity of the lower mounting groove, the dust discharging plate 15 can be pressed to move downwards through external pressure, a gap is generated between the dust discharging plate 15 and the separating pipe 16 at the moment, dust can flow out along the gap and enter the volume cavity, the outer side of the limiting rod 17 is sleeved with the buffer spring 18, the lower side of the buffer spring 18 is connected with the separating pipe 16, when the dust discharging plate 15 moves downwards, the dust discharging plate 15 can drive the limiting rod 17 to move downwards, at the moment, the elastic force of the buffer spring 18 can prevent the limiting rod 17 from moving downwards, the impact force caused by the downward movement of the limiting rod 17 can be relieved through the buffer spring 18, so that the phenomenon that the limiting rod 17 generates large impact force when moving downwards can be avoided, when the filter 14 is mounted, the phenomenon that the filter 14 generates large impact force on the dust discharging plate 15 can be avoided, on the other hand, when the limiting rod 17 moves downwards, the elastic force of the buffer spring 18 can enable the limiting rod 17 to vibrate upwards and downwards, the limiting rod 17 can drive the dust discharging plate 15 to vibrate up and down, when dust particles accumulated on the outer side of the filter 14 are discharged, the dust discharging plate 15 can drive the filter 14 to vibrate up and down, the filter 14 can shake off the dust adhered on the filter 14 by shaking up and down, so that the filter 14 is cleaner, a first electromagnet 19 is embedded on the lower side of the body of the separation tube 16, when the first electromagnet 19 is electrified, the first electromagnet can adsorb the dust discharging plate 15 to move up through magnetic force to be attached to the separation tube 16, the filter 14 is placed in the inner cavity of the separation tube 16, the opening of the filter 14 faces downwards, the lower end of the filter 14 is attached to the dust discharging plate 15, a sealing cover 12 is arranged on the upper side of the separation tube 16, the sealing cover 12 is connected with the separation tube 16 through bolts, the filter 14 in the separation tube 16 can be taken out by removing the sealing cover 12, an arc-shaped tube 10 is arranged in the inner cavity of the shell 1, the arc-shaped tube 10 is fixed on the wall of the dust-free cavity of the shell 1, the arc tube 10 is arranged on the cavity wall, the arc tube 10 can be prevented from interfering the disassembly and assembly of the sealing cover 12, the hose 11 is connected between the sealing cover 12 and the arc tube 10, the right end of the arc tube 10 penetrates through the shell 1 and is connected with the exhaust tube 4, the exhaust tube 4 needs to be connected with an external negative pressure machine when the device is used, the left end of the arc tube 10 penetrates through the shell 1 and is connected with the injection tube 5, the outer side of the shell 1 is provided with the supporting plate 8 and the pulse controller 9, the upper side of the supporting plate 8 is provided with the compressed air storage bag 7, the compressed air storage bag 7 is provided with a pipeline which can be connected with an external air compressor, compressed air is provided for the compressed air storage bag 7 through the external air compressor, the compressed air storage bag 7 is connected with the pulse electromagnetic valve 6 through the pipeline, the other end of the pulse electromagnetic valve 6 is connected with the injection tube 5, and the pulse electromagnetic valve 6 and the first electromagnet 19 are respectively connected with the pulse controller 9 through wires, set for the time of regularly removing dust through pulse control appearance 9, the time arrives the back, pulse control appearance 9 opens pulse solenoid valve 6, compressed air in the compressed air gas storage package 7 passes through pulse solenoid valve 6, jetting pipe 5, behind arc 10 and the hose 11, spout into in the separate tube 16 from sealed lid 12, and then through the reverse blow, blow off the dust particle of adhesion on 14 inner walls of filter, the left side below of shell 1 is provided with intake pipe 2, the waste gas that needs to remove dust passes through intake pipe 2 and gets into the volume chamber of shell 1, the downside of shell 1 is provided with dust exhaust pipe 3, all be provided with normally open solenoid valve on the body of dust exhaust pipe 3 and exhaust pipe 4, normally open solenoid valve passes through the wire and is connected with pulse control appearance 9.
Let out dirt board 15 and need the gag lever post 17 to connect, and the outside of gag lever post 17 is overlapped again and is equipped with the spring, let out dirt board 15 still need can be inhaled by magnetic force simultaneously, in order to avoid the spring to receive magnetic force interference, it uses non-magnetic material to let out dirt board 15, then inlay again and have the magnetic plate on letting out the body upside of dirt board 15, the material of magnetic plate is the stainless steel, the magnetic plate is corresponding with electro-magnet 19 No. one, electro-magnet 19 adsorbs the magnetic plate through magnetic force, then drive through the magnetic plate and let out dirt board 15 and move up.
Traditional pulse dust collector can only carry out the reverse blow, and when removing dust to filter 14, blow in turn through the forward and reverse, can be better blow off the dust particle who persists in filter 14, be provided with three solenoid valve 51 on the body of jetting pipe 5, three solenoid valve 51 passes through the wire and is connected with pulse controller 9, the gas pocket of three solenoid valve 51 downside passes through the pipeline and communicates with the volume chamber of shell 1, when blowing through jetting pipe 5, can get into arc pipe 10 through jetting pipe 5, then reverse blow, also can get into the volume chamber of shell 1 through three solenoid valve 51, forward blow.
Since the filter 14 includes the PTFE filter bag 142, and both the forward wind and the backward wind pass through the PTFE filter bag 142, in order to prevent the PTFE filter bag 142 from being excessively contracted, the outer keel 141 is provided on the outer side of the PTFE filter bag 142, and the inner keel 143 is provided on the inner side of the PTFE filter bag 142.
In order to facilitate the installation of the filter 14, the upper side of the outer keel 141 is connected with the extrusion plate 144, the lower side of the sealing cover 12 is provided with the upper guide post 21 and the extrusion spring 22, the body of the extrusion plate 144 is longitudinally provided with a guide hole, the lower end of the upper guide post 21 penetrates through the guide hole, and then the filter 14 is limited, so that the filter 14 can only move up and down, the lower end of the extrusion spring 22 is attached to the extrusion plate 144, pressure is applied through the extrusion of the extrusion spring 22, and then the lower end of the filter 14 can be attached to the dust discharge plate 15.
The baffle plate 22 is arranged on the lower side of the inner cavity of the shell 1, the baffle plate 22 is positioned on the right side of the air inlet pipe 2, the flow speed of waste gas is slowed down after the waste gas passes through the baffle plate 22, and at the moment, larger dust particles fall under the action of gravity, and then are discharged from the dust exhaust pipe 3.
The body of the separation tube 16 is provided with a vibration groove, a guide rod 24 is inserted in the inner cavity of the vibration groove, the guide rod 24 is arranged in a T shape, the big end of the guide rod 24 is positioned in the vibration groove, the small end of the guide rod 24 penetrates through the vibration groove, one side of the guide rod 24 far away from the filter 14 is connected with a return spring 25, namely the big end of the guide rod 24 is connected with the return spring 25, the side of the guide rod 24 close to the filter 14 is connected with a vibration contact 26, the vibration contact 26 is provided with a plastic joint and an air bag filled with compressed air, the small end of the guide rod 24 is provided with a threaded head, the vibration contact 26 is connected with the guide rod 24 through threads, so that the vibration contact 26 is convenient to replace, the air bag of the vibration contact 26 can vibrate and impact the filter 14, further dust on the filter 14 falls off, meanwhile, the air bag is soft, and the filter bag 142 in the filter 14 can be prevented from being damaged by collision, the body of the separation tube 16 is embedded with a second electromagnet 23 corresponding to the guide rod 24, in order to facilitate the installation of the second electromagnet 23, a placing groove is formed in the outer side of the body of the separation tube 16 and is not communicated with the oscillation groove, the second electromagnet 23 is placed in the placing groove, then the placing groove is sealed by using a glue head, so that dust particles are prevented from entering the placing groove, the second electromagnet 23 is connected with the pulse controller 9 through a wire, the power-on and power-off of the second electromagnet 23 are controlled through the pulse controller 9, when the second electromagnet 23 is powered on, the second electromagnet 23 drives the oscillation contact 26 to retract into the oscillation groove through the magnetic force absorption guide rod 24, when the second electromagnet 23 is powered off, the reset spring 25 pushes the oscillation contact 26 to extend out of the oscillation groove and impact the filter 14, the second electromagnet 23 is controlled to be powered off repeatedly through the pulse controller 9, the frequent impact of the oscillating contact 26 on the filter 14 can be controlled, and the dust adhered to the filter 14 can be removed by the frequent impact of the oscillating contact 26.
The working principle is as follows: when the device carries out automatic dust discharging and removing, firstly, reverse blowing is carried out for dust removing, the pulse controller 9 opens the pulse electromagnetic valve 6, compressed air in the compressed air storage bag 7 passes through the pulse electromagnetic valve 6, the blowing pipe 5, the arc-shaped pipe 10 and the hose 11 and then is sprayed into the separation pipe 16 from the sealing cover 12, and at the moment, airflow enters the inner side of the filter 14 from the outer side of the filter 14 so as to blow out dust on the inner side of the filter 14;
then, reverse blowing is carried out, the pulse controller 9 controls an air path on the lower side of the three-way electromagnetic valve 51 to be opened, compressed air in the compressed air storage bag 7 enters a volume cavity of the shell 1 after passing through the pulse electromagnetic valve 6, the blowing pipe 5 and the three-way electromagnetic valve 51, and at the moment, airflow enters the outer side of the filter 14 from the inside of the filter 14, so that dust on the outer side of the filter 14 is blown out;
then, unloading dust, namely, firstly, switching off a power supply of the electromagnet 19, enabling the dust discharge plate 15 to fall under the action of gravity, enabling the dust discharge plate 15 to drive the limiting rod 17 to fall, enabling the dust discharge plate 15 to start decelerating when the limiting rod 17 starts to drive the buffer spring 18 to compress, enabling the limiting rod 17 to drive the dust discharge plate 15 to vibrate up and down under the action of elastic force of the buffer spring 18, enabling the dust discharge plate 15 to drive the filter 14 to shake up and down, further enabling dust adhered to the filter 14 to shake off, enabling a gap to be formed between the dust discharge plate 15 and the separation pipe 16 when the dust discharge plate 15 moves down, enabling the dust to flow out along the gap and enter the volume cavity, and using reverse wind to remove dust from the filter 14 in the process;
when carrying out the striking dust removal, 19 circular telegrams at first electro-magnets, 19 through magnetic force absorption dust board 15 that lets out of electro-magnets, then No. two electro-magnets 23 carry out periodic outage circular telegrams, when No. two electro-magnets 23 outage, reset spring 25 promotes to vibrate contact 26 and stretches out and vibrate the groove and strike filter 14, when No. two electro-magnets 23 circular telegrams, No. two electro-magnets 23 drive through magnetic force absorption guide bar 24 and vibrate contact 26 withdrawal and vibrate the groove, strike filter 14 through vibrating contact 26, can detach the sticky tight dust of filter 14.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an automatic unloading grey pulse dust collector based on PTFE filter bag, includes shell (1), its characterized in that: a separation plate (13) is arranged in an inner cavity of the shell (1), a separation pipe (16) extending downwards is arranged on a body of the separation plate (13), a dust discharge plate (15) is arranged on the lower side of the separation pipe (16), a limiting rod (17) is movably connected between the dust discharge plate (15) and the separation pipe (16), a buffer spring (18) is sleeved on the outer side of the limiting rod (17), the lower side of the buffer spring (18) is connected with the separation pipe (16), an electromagnet (19) is embedded on the lower side of the body of the separation pipe (16), a filter (14) is arranged in the inner cavity of the separation pipe (16), the lower end of the filter (14) is attached to the dust discharge plate (15), a sealing cover (12) is arranged on the upper side of the separation pipe (16), an arc-shaped pipe (10) is arranged in the inner cavity of the shell (1), and a hose (11) is connected between the sealing cover (12) and the arc-shaped pipe (10), the air-blowing dust-removing device is characterized in that the right end of the arc-shaped pipe (10) penetrates through the shell (1) and is connected with the exhaust pipe (4), the left end of the arc-shaped pipe (10) penetrates through the shell (1) and is connected with the blowing pipe (5), the outer side of the shell (1) is provided with the supporting plate (8) and the pulse controller (9), the upper side of the supporting plate (8) is provided with the compressed air storage bag (7), the compressed air storage bag (7) is connected with the pulse electromagnetic valve (6) through a pipeline, the other end of the pulse electromagnetic valve (6) is connected with the blowing pipe (5), the pulse electromagnetic valve (6) and the first electromagnet (19) are connected with the pulse controller (9) through wires respectively, the air inlet pipe (2) is arranged below the left side of the shell (1), and the lower side of the shell (1) is provided with the dust-removing pipe (3).
2. The PTFE filter bag based automatic ash discharge pulse dust collector of claim 1, wherein: the magnetic plate is embedded on the upper side of the body of the dust discharge plate (15) and corresponds to the first electromagnet (19).
3. The PTFE filter bag based automatic ash discharge pulse dust collector of claim 1, wherein: the body of the blowing pipe (5) is provided with a three-way electromagnetic valve (51), the three-way electromagnetic valve (51) is connected with a pulse controller (9) through a lead, an air hole in the lower side of the three-way electromagnetic valve (51) is communicated with an inner cavity of the shell (1) through a pipeline, and the communication position is located in the lower side of the partition plate (13).
4. The PTFE filter bag based automatic ash discharge pulse dust collector of claim 1, wherein: the filter (14) comprises an outer keel (141), an inner keel (143) is arranged on the inner side of the outer keel (141), and a PTFE filter bag (142) is placed between the outer keel (141) and the inner keel (143).
5. The PTFE filter bag based automatic dust discharging pulse dust collector of claim 4, wherein: the upside of outer keel (141) is connected with stripper plate (144), the downside of sealed lid (12) is provided with guide post (21) and extrusion spring (22), the guiding hole has been seted up on the body of stripper plate (144) on vertical, the lower extreme of going up guide post (21) runs through the guiding hole, the lower extreme and the stripper plate (144) laminating of extrusion spring (22).
6. The PTFE filter bag based automatic dust discharging pulse dust collector of claim 4, wherein: the lower side of the outer keel (141) is provided with a sealing pressing plate (146), the lower side of the inner keel (143) is provided with a sealing pressing plate (145), the bodies of the sealing pressing plate (146) and the sealing pressing plate (145) are provided with directional holes in the longitudinal direction, the upper side of the dust discharge plate (15) is provided with a lower guide post (20), and the upper end of the lower guide post (20) penetrates through the directional holes in the sealing pressing plate (146) and the directional holes in the sealing pressing plate (145).
7. The PTFE filter bag based automatic ash discharge pulse dust collector of claim 1, wherein: a flow baffle plate (22) is arranged on the lower side of the inner cavity of the shell (1), and the flow baffle plate (22) is located on the right side of the air inlet pipe (2).
8. The PTFE filter bag based automatic ash discharge pulse dust collector of claim 1, wherein: the utility model discloses a filter, including separate pipe (16), shock groove has been seted up on the body of branch spacer tube (16), the plug-in guide bar (24) of the inner chamber in shock groove, one side that filter (14) were kept away from in guide bar (24) is connected with reset spring (25), one side that filter (14) were close to in guide bar (24) is connected with and vibrates contact (26), it has No. two electro-magnets (23) corresponding with guide bar (24) to inlay on the body of branch spacer tube (16), No. two electro-magnets (23) are connected with pulse controller (9) through the wire.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210284650.8A CN114849358B (en) | 2022-03-22 | 2022-03-22 | Automatic ash discharging pulse dust remover based on PTFE filter bag |
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| CN202210284650.8A CN114849358B (en) | 2022-03-22 | 2022-03-22 | Automatic ash discharging pulse dust remover based on PTFE filter bag |
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| CN114849358A true CN114849358A (en) | 2022-08-05 |
| CN114849358B CN114849358B (en) | 2023-06-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118022508A (en) * | 2024-03-20 | 2024-05-14 | 武汉汉口绿色能源有限公司 | Dust and nitrate integrated removal system and method for garbage incinerator |
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|---|---|
| CN114849358B (en) | 2023-06-16 |
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