CN114053793B - Pulse dust removal device and method facilitating filter bag replacement - Google Patents
Pulse dust removal device and method facilitating filter bag replacement Download PDFInfo
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- CN114053793B CN114053793B CN202111282681.1A CN202111282681A CN114053793B CN 114053793 B CN114053793 B CN 114053793B CN 202111282681 A CN202111282681 A CN 202111282681A CN 114053793 B CN114053793 B CN 114053793B
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- removal cloth
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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
- B01D46/023—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
- B01D46/04—Cleaning filters
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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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Abstract
The invention relates to a pulse dust removal device and a method for facilitating filter bag replacement, wherein the pulse dust removal device comprises a purification cavity, a bearing keel, an adjusting mechanism, a dust removal cloth bag frame, a protective cover, a negative pressure fan, a flow guide pipe, a flow division pipe, a flexible drainage pipe, a connector head and a driving circuit; purifying cavity symmetric distribution bears fossil fragments central line both sides and cladding outside bearing fossil fragments, and the dust removal sack frame inlays respectively in two purifying cavities, and the dust removal sack frame is connected with the connector head, and the connector head communicates through flexible drainage tube and shunt tubes. The using method comprises three steps of system assembly, integral replacement of the filter bag, accurate replacement of the filter bag and the like. The invention greatly improves the integration degree and the modularization degree of the bag-type dust remover equipment and effectively improves the efficiency and the continuity of the dust removing operation; meanwhile, the efficiency of filter bag installation, positioning and replacement operation is effectively improved, and the operation efficiency of purifying and cleaning dust and other pollutants in the filter bag is effectively improved by utilizing the elastic deformation capacity of the filter bag.
Description
Technical Field
The invention relates to a pulse dust removal device and method facilitating filter bag replacement, and belongs to the technical field of tail gas purification equipment.
Background
The pulse dust collector is in operation, the filter bag is required to be cleaned and replaced regularly, however, when the pulse dust collector actually carries out filter bag replacement operation, due to the traditional structure adopted by the current pulse dust collector, the requirements of operation and replacement operation can be met, the replacement operation efficiency is low, the replacement operation difficulty and labor intensity are high, and when the pulse dust collector is in replacement operation, the pulse dust collector always needs to be in a shutdown state to meet the requirements of filter bag replacement operation, so that the serious contradiction exists between the filter bag maintenance operation and the flue gas purification operation of the current pulse dust collector.
Meanwhile, the filter bags adopted by the current pulse dust collector are all of a traditional structure, so that on one hand, the filter bag mounting and dismounting operations are carried out by mechanical connecting pieces such as bolts, bayonets, flanges and the like, and the working efficiency, labor intensity and cost of the filter bag mounting and positioning operations are seriously influenced; on the other hand, the filter bag is caused to be in operation, only the pulse airflow is used for impact oscillation purification, the purification acting force is single, so that the dust cannot be effectively separated from the surface of the filter bag, the filter bag effect is easily reduced or even damaged due to dust adhesion, meanwhile, the pulse airflow impact acting force is extremely high, the filter bag is lack of effective elastic deformation capacity, the structure of the filter bag is damaged, the service life of the filter bag is greatly influenced, the frequency of replacement and maintenance operation of the filter bag of the pulse dust collector is increased, the operation and maintenance cost of the pulse dust collector is further influenced, and the operation continuity and the reliability are further improved.
Therefore, in order to solve the problem, a pulse dust collector device and a using method thereof need to be developed to meet the requirement of practical use.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a pulse dust removal device and a pulse dust removal method which are convenient for replacing a filter bag.
A pulse dust removal device convenient for filter bag replacement comprises a purification cavity, a bearing keel, an adjusting mechanism, a dust removal cloth bag frame, a protective cover, a negative pressure fan, a flow guide pipe, a flow division pipe, a flexible drainage pipe, a connector head and a driving circuit; the bearing keel is a frame structure with a rectangular cross section, the purification cavities are closed cavity structures with a rectangular cross section, the two purification cavities are symmetrically distributed on two sides of the central line of the bearing keel and are coated outside the bearing keel, the distance between the two purification cavities is not less than 10 cm, a plurality of dust removal cloth bag frames are respectively embedded in the two purification cavities and are in sliding connection with the side surfaces in the purification cavities through an adjusting mechanism, at least two dust removal cloth bag frames are arranged in each purification cavity, the dust removal cloth bag frames are mutually connected in parallel and are vertically distributed along the horizontal plane direction, the axis of each dust removal cloth bag frame is parallel to the bottom of the purification cavity, a first through hole is arranged on the side surface of the purification cavity, which is corresponding to the dust removal cloth bag frame and is close to the central line of the bearing keel, keep away from to bear fossil fragments central line position and purify chamber side surface and establish an access hole, and access hole department sets up the protective cover, a drain and a return air inlet are established to the terminal surface under the purification chamber, the return air inlet passes through tuber pipe and negative-pressure air fan intercommunication, the dust removal sack holder is connected with at least one connector head, the connector head inlays in first through-hole and communicates through flexible drainage tube and shunt tubes, shunt tubes and negative-pressure air fan all inlay in two bear fossil fragments that purify between the chamber, each shunt tubes all communicates with the honeycomb duct, and negative-pressure air fan communicates through three-way valve and honeycomb duct in addition, pass through the control valve intercommunication between shunt tubes and flexible drainage tube and the honeycomb duct, drive circuit and two purify and bear fossil fragments surface connection between the chamber, and respectively with adjustment mechanism, negative-pressure air fan, control valve and three-way valve electrical connection.
Furthermore, the adjusting mechanism comprises two guide slide rails, two walking driving mechanisms, two guide blocks and a positioning clamp, wherein the two guide slide rails are symmetrically distributed on two sides of the center line of the purification cavity and are parallel to the bottom of the purification cavity, the guide slide rails are of a U-shaped groove-shaped structure in cross section, the walking driving mechanisms are embedded in the guide slide rails, are connected with the bottoms of the guide slide rails and are parallel to the axis of the guide slide rails, the guide slide rails are slidably connected with the at least two guide blocks through the walking driving mechanisms, the guide blocks are further connected with the side surfaces of the dust removal cloth bag frame through the positioning clamp, and the walking driving mechanisms are further electrically connected with a driving circuit.
The dust removal cloth bag frame comprises a bracket, a pressing plate, a telescopic driving mechanism, a hard flow guide pipe, a jet nozzle, a dust removal cloth bag and an elastic traction belt, wherein the bracket is of a rectangular frame structure, the axis of the bracket is parallel to the bottom of a purification cavity groove, the front end face of the bracket is connected with the pressing plate through the telescopic driving mechanism and coaxially distributed, the distance between the pressing plate and the front end face of the bracket is 0-50 cm, a plurality of positioning holes are uniformly distributed on the pressing plate, the axis of each positioning hole is parallel to the axis of the bracket and is distributed in a rectangular array structure, the positioning holes are wrapped outside the hard flow guide pipe and coaxially distributed with the hard flow guide pipe, the front end of the hard flow guide pipe is positioned outside the pressing plate and communicated with a connecting pipe head, the rear end of the hard flow guide pipe is communicated with the jet nozzle and coaxially distributed, the rear end face of the hard flow guide pipe is communicated with the dust removal cloth bag and coaxially distributed with the dust removal cloth bag, the dust removal cloth bag is embedded in the bracket, the rear end face of the dust removal cloth bag is connected with the inner side face of the bracket through the elastic traction belt, and the telescopic driving mechanism is electrically connected with a driving circuit.
Furthermore, the bracket front end face is connected with the pressing plate rear end face through at least two buffer springs, at least two vibration exciters uniformly distributed around the axis of the bracket are additionally arranged in the bracket, an electrostatic adsorption net is arranged on the pressing plate rear end face, the electrostatic adsorption net is connected with the pressing plate through an insulating cushion block and is coaxially distributed on the pressing plate, the electrostatic adsorption net is embedded in the bracket, the distance between the electrostatic adsorption net and the bracket front end face is not 0-10% of the length of the bracket, and the vibration exciters and the electrostatic adsorption net are both electrically connected with a driving circuit.
The dust removal cloth bag comprises a filter bag, a hard positioning ring, elastic compression rings, positioning electromagnets, elastic spoilers, a diversion disc and elastic rib plates, wherein the hard positioning ring is of a hollow cylinder structure, the front end face and the rear end face of the hard positioning ring are connected with the elastic compression rings which are coaxially distributed with the hard positioning ring through connecting springs, at least two positioning electromagnets are embedded in the inner side face of the hard positioning ring and are uniformly distributed around the axis of the hard positioning ring, the hard positioning ring and the elastic compression rings are respectively coated outside the hard diversion pipe and are coaxially distributed with the hard diversion pipe, the hard positioning ring is further connected with the hard diversion pipe through the positioning electromagnets, the filter bag is of a U-shaped cavity structure in the axial section, the front end face of the filter bag is coated outside the hard positioning ring and the elastic compression rings, the diversion disc is of a disc structure which is coaxially distributed with the hard positioning ring, a plurality of second through holes with the aperture of 1-10 mm are uniformly distributed on the diversion disc, the total area of the second through holes is 50% -90% of the area of the diversion disc, the diversion disc is positioned behind the diversion disc, the elastic spoilers and the elastic positioning ring are respectively embedded in the diversion disc, the elastic spoilers and are coaxially distributed with the diversion disc, the front end face of the elastic positioning ring and the electric magnets, the three positioning electromagnets are connected with the positioning ring and are connected with the positioning ring in parallel with the axis of the hard positioning ring.
Furthermore, the outer surface of the bearing keel positioned in the inner part of the purification cavity is additionally provided with at least one return pipe, and the return pipe is communicated with an air return opening of the purification cavity.
Furthermore, the driving circuit is based on a programmable controller circuit system, the driving circuit is additionally provided with a communication module and a control interface based on any one of a display and a control key, and the communication module and the control interface are electrically connected with the driving circuit and are embedded in the outer surface of the bearing keel.
A using method of a pulse dust removal device convenient for filter bag replacement comprises the following steps:
s1, assembling a system, namely assembling a purification cavity, a bearing keel, an adjusting mechanism, a dust removal cloth bag frame, a protective cover, a negative pressure fan, a flow guide pipe, a flow division pipe, a flexible flow guide pipe, a connector head and a driving circuit, installing the assembled equipment at a specified position through the bearing keel, then communicating the flow guide pipe with an external pulse air supply system, and communicating the negative pressure fan with an external exhaust system, thereby completing system setting;
s2, the filter bag is integrally replaced, in the purification operation, the dust removal operation is carried out on the dust removal cloth bags of the dust removal cloth bag frames in the purification cavities, in the purification operation process, the purification operation is carried out on one purification cavity, the filter bag maintenance and replacement is carried out on the other purification cavity, in the replacement operation, the dust removal cloth bag frame to be replaced in the purification cavity is discharged from the access hole of the purification cavity under the driving of the adjusting mechanism, is separated from the adjusting mechanism after being discharged, is connected and positioned with a brand new dust removal cloth bag frame and is brought into the purification cavity under the driving of the adjusting mechanism, and therefore the filter bag replacement operation is completed;
and S3, accurately replacing the filter bag, transferring the dust removal cloth bag frame taken out in the step S2 to an appointed maintenance position, adjusting the distance between the pressing plate and the bracket through a telescopic driving mechanism, enabling the connection position between the hard guide pipe and the dust removal cloth bag to be located between the pressing plate and the bracket, and separating the positioning electromagnet of the dust removal cloth bag from the hard guide pipe due to the fact that the dust removal cloth bag frame is electrically disconnected from a driving circuit, so that the dust removal cloth bag is separated from the hard guide pipe, and the filter bag is rapidly replaced and maintained.
The dust filtering mechanism is centralized and provided with the dust filtering bag racks, and the dust filtering bag racks are provided for dust filtering in the dust filtering mechanisms, so that the integration degree and the modularization degree of the bag-type dust collector are greatly improved, dust removing operation and equipment replacement and maintenance can be synchronously carried out by alternately arranging the dust filtering mechanisms, and the efficiency and the continuity of the dust removing operation are effectively improved; simultaneously through concentrating a plurality of for dust removal filter bags and setting up in a plurality of dust removal sack framves of independent operation, and through the adjustment to traditional filter bag structure, set up the location electro-magnet on the filter bag, the efficiency of operation is changed in the effectual improvement filter bag installation location of electromagnetic force through the location electro-magnet, simultaneously through the elasticity spoiler that the filter bag set up, the flow guide disc, the effectual improvement filter bag elastic deformation ability of elasticity gusset and utilize filter bag elastic deformation ability effectively to improve pollutant purification clearance operating efficiency such as dust in the filter bag, eliminate the dust and the filter bag bonding solidification and lead to the big defect of the filter bag clearance degree of difficulty.
Drawings
The invention is described in detail below with reference to the drawings and the detailed description;
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic view of a partial structure of one of the guide rails of the adjustment mechanism;
FIG. 3 is a schematic structural view of a dust-removing cloth bag frame;
FIG. 4 is a schematic view of a dust removal cloth bag;
FIG. 5 is a schematic flow chart of the method of the present invention.
The reference numbers in the figures: the device comprises a purification cavity 1, a bearing keel 2, an adjusting mechanism 3, a dust removal cloth bag frame 4, a protective cover 5, a negative pressure fan 6, a flow guide pipe 7, a flow dividing pipe 8, a flexible flow guide pipe 9, a connector head 10, a driving circuit 11, a first through hole 12, an access hole 13, a return pipe 14, a sewage discharge outlet 15, a return air inlet 16, a three-way valve 17, a control valve 18, a guide slide rail 31, a walking driving mechanism 32, a guide block 33, a positioning clamp 34, a bracket 41, a pressing plate 42, a telescopic driving mechanism 43, a hard flow guide pipe 44, a jet nozzle 45, a dust removal cloth bag 46, an elastic traction belt 47, a positioning hole 48, a buffer spring 49, a vibration exciter 410, an electrostatic adsorption net 411, an insulating cushion block 412, a filter bag 461, a hard positioning ring 462, an elastic press ring 463, a positioning electromagnet 464, an elastic flow spoiler 465, a flow guide disc 466, an elastic rib plate 467 and a connecting spring 468.
Detailed Description
In order to make the technical means, creation features, achievement purposes and effects of the invention easy to construct, the invention is further explained below with reference to specific embodiments.
As shown in fig. 1, a pulse dust collector convenient for filter bag replacement comprises a purification chamber 1, a bearing keel 2, an adjusting mechanism 3, a dust-collecting bag rack 4, a protective cover 5, a negative pressure fan 6, a flow guide pipe 7, a flow distribution pipe 8, a flexible flow guide pipe 9, a connector 10 and a driving circuit 11; the bearing keel 2 is a frame structure with a rectangular cross section, the purification cavities 1 are closed cavity structures with a rectangular cross section, the two purification cavities 1 are symmetrically distributed on two sides of the central line of the bearing keel 2 and coated outside the bearing keel 2, the distance between the two purification cavities 1 is not less than 10 cm, a plurality of dust removal bag frames 4 are respectively embedded in the two purification cavities 1 and are in sliding connection with the inner side surfaces of the purification cavities 1 through an adjusting mechanism 3, at least two dust removal bag frames 4 are respectively arranged in each purification cavity 1, the dust removal bag frames 4 are mutually connected in parallel and are vertically distributed along the horizontal plane direction, the axial lines of the dust removal bag frames 4 are distributed parallel to the bottoms of the purification cavities 1, a first through hole 12 is arranged on the side surface of the purification cavity 1 close to the central line position of the bearing keel 2 corresponding to the dust removal bag frame 4, an inspection hole 13 is arranged on the side surface of the purification cavity 1 far away from the central line position of the bearing keel 2, and access hole 13 department establishes protective cover 5, a drain 15 and a return air inlet 16 are established to purification chamber 1 lower terminal surface, return air inlet 16 passes through the tuber pipe and communicates with negative pressure air fan 6, dust removal cloth bag frame 4 is connected with at least one connector head 10, connector head 10 inlays in first thru hole 12 and communicates with shunt tubes 8 through flexible drainage tube 9, shunt tubes 8 and negative pressure air fan 6 all inlay in the fossil fragments 2 that bear between two purification chambers 1, each shunt tubes 8 all communicates with honeycomb duct 7, and negative pressure air fan 6 communicates with honeycomb duct 7 through three-way valve 17 in addition, communicate through control valve 18 between shunt tubes 8 and flexible drainage tube 9 and honeycomb duct 7, drive circuit 11 and two purification chambers 1 bear fossil fragments 2 surface connection between 1, and respectively with adjustment mechanism 3, negative pressure air fan 6, control valve 18 and three-way valve 17 electrical connection.
Referring to fig. 1-2, the adjusting mechanism 3 includes two guide rails 31, two walking driving mechanisms 32, two guide blocks 33 and two positioning clamps 34, wherein the two guide rails 31 are symmetrically distributed on two sides of the center line of the purification chamber 1 and are parallel to the bottom of the purification chamber 1, the cross section of the guide rail 31 is a U-shaped groove-shaped structure, the walking driving mechanisms 32 are embedded in the guide rails 31, connected to the bottom of the guide rails 31 and parallel to the axis of the guide rails 31, the guide rails 31 are slidably connected to at least two guide blocks 33 through the walking driving mechanisms 32, the guide blocks 33 are further connected to the side surface of the dust removal bag holder 4 through the positioning clamps 34, and the walking driving mechanisms 32 are further electrically connected to the driving circuit 11.
The walking driving mechanism 32 is any one of a gear rack mechanism and a screw rod mechanism, and in the operation process, driving power along the axial direction of the guide slide rail 31 is provided for the guide block 33 through the walking driving mechanism 32, and the guide block 33 drives the dust removal cloth bag frame 4 connected with the guide block to perform displacement adjustment, so that the requirements of rapidly disassembling, assembling and adjusting the working position of the dust removal cloth bag frame 4 are met.
Referring to fig. 1 and 3, the dust removal bag holder 4 includes a bracket 41, a pressing plate 42, a telescopic driving mechanism 43, a hard flow guide pipe 44, a jet nozzle 45, a dust removal bag 46, and an elastic traction belt 47, the bracket 41 is a rectangular frame structure, the axis of the bracket 41 is parallel to the bottom of the purification chamber 1, the front end surface of the bracket 41 is connected with the pressing plate 42 through the telescopic driving mechanism 43 and coaxially distributed, the interval between the pressing plate 42 and the front end surface of the bracket 41 is 0-50 cm, a plurality of positioning holes 48 are uniformly distributed on the pressing plate 42, the axis of each positioning hole 48 is parallel to the axis of the bracket 41 and distributed in a rectangular array structure, the positioning holes 48 are wrapped outside one hard flow guide pipe 44 and coaxially distributed with the hard flow guide pipe 44, the front end of the hard flow guide pipe 44 is located outside the pressing plate 42 and communicated with the connector 10, the rear end is communicated with the jet nozzle 45 and coaxially distributed, the rear end surface of the hard flow guide pipe 44 is further communicated with one dust removal bag 46 and coaxially distributed with the dust removal bag 46, the dust removal bag 46 is embedded in the bracket 41, and the rear end surface of the bracket is connected with the inner side of the driving mechanism 43 and the driving circuit 11.
Further preferably, the telescopic driving mechanism 43 is any one of a hydraulic telescopic rod, a pneumatic telescopic rod, an electric telescopic rod, a rack and pinion mechanism and a screw rod mechanism.
The front end face of the bracket 41 is connected with the rear end face of the pressing plate 42 through at least two buffer springs 49, wherein at least two vibration exciters 410 uniformly distributed around the axis of the bracket 41 are additionally arranged in the bracket 41, the rear end face of the pressing plate 42 is provided with an electrostatic adsorption net 411, the electrostatic adsorption net 411 is connected with the pressing plate 42 through an insulating cushion block 412 and is coaxially distributed on the pressing plate 42, the electrostatic adsorption net 411 is embedded in the bracket 41, the distance between the electrostatic adsorption net 411 and the front end face of the bracket 41 is 0-10% of the length of the bracket 41, and the vibration exciters 410 and the electrostatic adsorption net 411 are electrically connected with the driving circuit 11.
In the operation and use process, on one hand, the vibration exciter 410 is used to mechanically oscillate the bracket 41, and the oscillation acting force is used to prevent the dust from adhering and solidifying to the surface of the dust-collecting cloth bag 46 to cause the damage of the filter bag 461 and the reduction of the filtering effect of the dust-collecting cloth bag 46.
Referring to fig. 1, 3 and 4, the dust collecting bag 46 includes a filter bag 461, a hard positioning ring 462, an elastic press ring 463, positioning electromagnets 464, elastic spoilers 465, flow guide discs 466 and elastic rib plates 467, wherein the hard positioning ring 462 is a hollow cylindrical structure, the front end face and the rear end face of the hard positioning ring 462 are both connected with an elastic press ring 463 coaxially distributed with the hard positioning ring through connecting springs 468, at least two positioning electromagnets 464 are embedded in the inner side face of the hard positioning ring 462 and uniformly distributed around the axis of the hard positioning ring 462, wherein the hard positioning ring 462 and the elastic press ring 463 are respectively coated outside the hard flow guide pipe 44 and coaxially distributed with the hard flow guide pipe 44, the hard positioning ring 462 is further connected with the hard flow guide pipe 44 through the positioning electromagnets 464, the filter bag 461 is a cavity structure with a U-shaped axial section, the front end face of the baffle plate 466 is a disc structure which is coaxially distributed with the hard positioning ring 462, a plurality of second through holes with the aperture of 1-10 mm are uniformly distributed on the baffle plate 466, the total area of the second through holes is 50% -90% of the area of the baffle plate 466, the baffle plate 466 is positioned behind the jet nozzle 45, the elastic spoilers 465 and the elastic rib plates 467 are embedded in the filter bags 461, wherein the elastic spoilers 465 and the filter bags 461 are coaxially distributed, the front end faces of the elastic spoilers 465 are connected with the rear end faces of the baffle plate 466 and coaxially distributed with the baffle plate 466, at least three elastic rib plates 467 are arranged, the front end faces of the elastic rib plates 467 are connected with the rear end face of the hard positioning ring 462 and are uniformly distributed around the axis of the hard positioning ring 462 and are distributed in parallel with the axis of the filter bags 461, and the positioning electromagnets 464 are connected in parallel and respectively and electrically connected with the driving circuit 11.
During the operation of the filter bag, on one hand, the hard positioning ring 462 and the elastic pressing ring 463 are used for installing and positioning the filter bag 461 for filtering dust through the traditional mechanical structure and mechanical force; on the other hand, the positioning electromagnet 464 is used for realizing the reinforced positioning of the filter bag 461 by using the electromagnetic acting force, the positioning electromagnet 464 can meet the requirement of positioning operation by generating a magnetic field when being electrified, the electromagnetic force disappears after the positioning electromagnet 464 is powered off, the positioning acting force of the filter bag 461 is reduced, the dismounting and replacing efficiency of the filter bag 461 is improved, meanwhile, the current can be driven to be adjusted to flexibly adjust the size of the positioning acting force of the filter bag 461, and the mounting and positioning stability of the filter bag 461 is effectively improved;
meanwhile, the elastic deformation capability of the elastic spoiler 465 and the elastic rib plate 467 improves the structural strength of the filter bag 461, and simultaneously improves the elastic deformation capability and the elastic oscillation operation capability of the filter bag 461, thereby effectively preventing the filter efficiency of the filter bag 461 from being reduced and the filter bag 461 from being damaged due to the bonding of dust on the surface of the filter bag 461; the elastic spoiler 465 performs impact vibration by the pulse airflow conveyed into the filter bag 461, so as to improve the airflow pulse force and perform impact vibration on the filter bag 461 by using the disturbed airflow; the elastic rib plate 467 elastically vibrates along with the filter bag 461 after the filter bag 461 receives the impact force, and simultaneously restricts the vibration amplitude of the filter bag 461 to prevent the filter bag 461 from being damaged due to overlarge amplitude.
In this embodiment, at least one return pipe 14 is further disposed on the outer surface of the part of the bearing keel 2 located in the purifying chamber 1, and the return pipe 14 is communicated with the return opening 16 of the purifying chamber 1.
Further, the driving circuit 11 is based on a programmable controller circuit system, and the driving circuit 11 is additionally provided with a communication module and a control interface based on any one of a display and a control key, and the communication module and the control interface are electrically connected with the driving circuit 11 and are embedded in the outer surface of the bearing keel 2.
As shown in fig. 5, a method for using a pulse dust collector convenient for filter bag replacement comprises the following steps:
s1, assembling a system, namely assembling a purification cavity 1, a bearing keel 2, an adjusting mechanism 3, a dust removal cloth bag frame 4, a protective cover 5, a negative pressure fan 6, a flow guide pipe 7, a flow division pipe 8, a flexible drainage pipe 9, a connector head 10 and a driving circuit 11, installing the assembled equipment at a specified position through the bearing keel 2, then communicating the flow guide pipe 7 with an external pulse air supply system, and communicating the negative pressure fan 6 with an external exhaust system, thereby completing system setting;
s2, the filter bags are integrally replaced, in the purification operation, the dust removal operation is carried out by the dust removal cloth bags 46 of the dust removal cloth bag frames 4 in the purification cavity 1, in the purification operation process, the purification operation is carried out by one of the purification cavities 1, the filter bag 461 is maintained and replaced by the other purification cavity 1, in the replacement operation, the dust removal cloth bag frame 4 to be replaced in the purification cavity 1 is driven by the adjusting mechanism 3 to be discharged from the overhaul port 13 of the purification cavity 1 and separated from the adjusting mechanism 3 after being discharged, the brand new dust removal cloth bag frame 4 is connected and positioned with the adjusting mechanism 3, and the brand new dust removal cloth bag frame 4 is driven by the adjusting mechanism 3 to be brought into the purification cavity 1 so as to complete the replacement operation of the filter bag 461;
and S3, accurately replacing the filter bag, transferring the dust removal cloth bag frame 4 taken out in the step S2 to a specified maintenance position, and adjusting the distance between the pressure plate 42 and the bracket 41 through the telescopic driving mechanism 43 to enable the connecting position between the hard guide pipe 44 and the dust removal cloth bag 46 to be located between the pressure plate 42 and the bracket 41.
The dust filtering mechanism is centralized and provided with the dust filtering bag racks, and the dust filtering bag racks are provided for dust filtering in the dust filtering mechanisms, so that the integration degree and the modularization degree of the bag-type dust collector are greatly improved, dust removing operation and equipment replacement and maintenance can be synchronously carried out by alternately arranging the dust filtering mechanisms, and the efficiency and the continuity of the dust removing operation are effectively improved; simultaneously through concentrating a plurality of for dust removal filter bags and setting up in a plurality of dust removal sack framves of independent operation, and through the adjustment to traditional filter bag structure, set up the location electro-magnet on the filter bag, the efficiency of operation is changed in the effectual improvement filter bag installation location of electromagnetic force through the location electro-magnet, simultaneously through the elasticity spoiler that the filter bag set up, the flow guide disc, the effectual improvement filter bag elastic deformation ability of elasticity gusset and utilize filter bag elastic deformation ability effectively to improve pollutant purification clearance operating efficiency such as dust in the filter bag, eliminate the dust and the filter bag bonding solidification and lead to the big defect of the filter bag clearance degree of difficulty.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a make things convenient for pulse dust collector that filter bag was changed which characterized in that: the pulse dust removal device convenient for replacing the filter bag comprises a purification cavity (1), a bearing keel (2), an adjusting mechanism (3), a dust removal cloth bag frame (4), a protective cover (5), a negative pressure fan (6), a flow guide pipe (7), a flow distribution pipe (8), a flexible drainage pipe (9), a connecting pipe head (10) and a driving circuit (11); the bearing keel (2) is of a frame structure with a rectangular cross section, the purification cavities (1) are of a closed cavity structure with a rectangular cross section, the two purification cavities (1) are symmetrically distributed on two sides of the center line of the bearing keel (2) and are coated outside the bearing keel (2), a plurality of dust removal cloth bag frames (4) are respectively embedded in the two purification cavities (1) and are in sliding connection with the inner side surface of the purification cavity (1) through an adjusting mechanism (3), at least two dust removal cloth bag frames (4) are arranged in each purification cavity (1), the dust removal cloth bag frames (4) are mutually connected in parallel and are distributed vertically to the horizontal plane direction, and the axes of the dust removal cloth bag frames (4) are distributed in parallel with the bottom of the purification cavity (1);
the dust removal cloth bag frame (4) comprises a bracket (41), a pressing plate (42), a telescopic driving mechanism (43), a hard guide pipe (44), a jet flow nozzle (45), a dust removal cloth bag (46) and an elastic traction belt (47), wherein the bracket (41) is of a rectangular frame structure, the axis of the bracket is distributed in parallel with the bottom of a purification cavity (1), the front end face of the bracket (41) is connected with the pressing plate (42) through the telescopic driving mechanism (43) and is coaxially distributed, the distance between the front end faces of the pressing plate (42) and the bracket (41) is 0-50 cm, a plurality of positioning holes (48) are uniformly distributed on the pressing plate (42), the axis of each positioning hole (48) is parallel to the axis of the bracket (41) and is distributed in a rectangular array structure, the positioning holes (48) are uniformly coated outside the hard guide pipe (44) and are coaxially distributed with the hard guide pipe (44), the front end of the guide pipe (44) is positioned outside the pressing plate (42) and is communicated with a connecting pipe head (10), the rear end of the bracket is communicated with the jet flow nozzle (45) and is coaxially distributed, the dust removal cloth bag (44) and the rear end face of the bracket (46) is embedded in the dust removal cloth bag (41) and is embedded in the bracket (41), the telescopic driving mechanism (43) is electrically connected with the driving circuit (11);
the utility model discloses a dust removal bag frame (4) is corresponding is close to purification chamber (1) side surface that bears fossil fragments (2) central line position and establishes one first thru hole (12), keeps away from bearing fossil fragments (2) central line position and purifies chamber (1) side surface and establishes one access hole (13), just access hole (13) department defences protecting cover (5), purify chamber (1) down the terminal surface and establish one drain (15) and one return air inlet (16), wherein return air inlet (16) communicate through tuber pipe and negative pressure fan (6), dust removal bag frame (4) are connected with at least one connector head (10), connector head (10) inlays in first thru hole (12) and communicates with shunt tubes (8) through flexible drainage tube (9), shunt tubes (8) and negative pressure fan (6) all inlay in bearing fossil fragments (2) between two purification chambers (1), and each shunt tubes (8) all communicate with honeycomb duct (7), and negative pressure fan (6) communicate with honeycomb duct (17) and honeycomb duct (7) in addition, shunt tubes (8) and honeycomb duct (9) and honeycomb duct (7) and honeycomb duct (1) through flexible drainage tube (11) and draft tube drive control electricity between draft tube (11) connection control way connection of draft tube (11), and are respectively and electrically connected with the adjusting mechanism (3), the negative pressure fan (6), the control valve (18) and the three-way valve (17);
the adjusting mechanism (3) comprises two guide slide rails (31), two walking driving mechanisms (32), two guide blocks (33) and a positioning clamp (34), wherein the two guide slide rails (31) are symmetrically distributed on two sides of the center line of the purification cavity (1) and are distributed in parallel with the bottom of the purification cavity (1), the walking driving mechanisms (32) are embedded in the guide slide rails (31), are connected with the bottoms of the guide slide rails (31) and are distributed in parallel with the axis of the guide slide rails (31), the guide slide rails (31) are in sliding connection with the at least two guide blocks (33) through the walking driving mechanisms (32), the guide blocks (33) are connected with the side surface of the dust removal cloth bag frame (4) through the positioning clamp (34), and the walking driving mechanisms (32) are electrically connected with the driving circuit (11);
the front end face of the bracket (41) is connected with the rear end face of the pressing plate (42) through at least two buffer springs (49), at least two vibration exciters (410) uniformly distributed around the axis of the bracket (41) are additionally arranged in the bracket (41), an electrostatic adsorption net (411) is arranged on the rear end face of the pressing plate (42), the electrostatic adsorption net (411) is connected with the pressing plate (42) through an insulating cushion block (412) and is coaxially distributed on the pressing plate (42), the electrostatic adsorption net (411) is embedded in the bracket (41), the distance between the electrostatic adsorption net and the front end face of the bracket (41) is 0-10% of the length of the bracket (41), and the vibration exciters (410) and the electrostatic adsorption net (411) are electrically connected with the driving circuit (11);
the dust removal cloth bag (46) comprises a filter bag (461), hard positioning rings (462), elastic press rings (463), positioning electromagnets (464), elastic spoilers (465), flow guide discs (466) and elastic rib plates (467), wherein the hard positioning rings (462) are of hollow cylindrical structures, the front end faces and the rear end faces of the hard positioning rings (462) are connected with the elastic press rings (463) which are coaxially distributed with the hard positioning rings through connecting springs (468), at least two positioning electromagnets (464) are embedded in the inner side faces of the hard positioning rings (462) and are uniformly distributed around the axis of the hard positioning rings (462), the hard positioning rings (462) and the elastic press rings (463) are respectively coated outside hard guide pipes (44) and are coaxially distributed with the hard guide pipes (44), the hard positioning rings (462) are further connected with the hard guide pipes (44) through the positioning electromagnets (464), the filter bag (461) is of a U-shaped cavity structure with the axial section, the front end faces of the filter bag (462) are coated outside the hard positioning rings (462) and the elastic press rings (463), the flow guide discs (462) are of a disc structure which is coaxially distributed with a disc (462), the flow guide discs (466) are uniformly distributed on the second flow guide disc (466), the second spray nozzles (466) are arranged on the second flow guide disc, the second spray nozzle area of which is 10 mm-90 mm, the elastic spoiler (465) and the elastic rib plates (467) are embedded in the filter bag (461), wherein the elastic spoiler (465) and the filter bag (461) are coaxially distributed, the front end surface of the elastic spoiler (465) is connected with the rear end surface of the flow guide disc (466) and is coaxially distributed with the flow guide disc (466), at least three elastic rib plates (467) are arranged, the front end surfaces of the elastic rib plates are connected with the rear end surface of the hard positioning ring (462) and are uniformly distributed around the axis of the hard positioning ring (462), the hard positioning ring (462) and the filter bag (461) are distributed in parallel, and the positioning electromagnets (464) are connected in parallel and are respectively and electrically connected with the driving circuit (11).
2. The pulse dust collector convenient for filter bag replacement according to claim 1, wherein: the outer surface of the part, located in the purification cavity (1), of the bearing keel (2) is additionally provided with at least one return pipe (14), and the return pipe (14) is communicated with an air return opening (16) of the purification cavity (1).
3. The pulse dust collector convenient for filter bag replacement according to claim 1, wherein: the drive circuit (11) is a circuit system based on a programmable controller, the drive circuit (11) is additionally provided with a communication module and a control interface based on any one of a display and a control key, and the communication module and the control interface are electrically connected with the drive circuit (11) and embedded in the outer surface of the bearing keel (2).
4. The use method of the pulse dust collector convenient for filter bag replacement as claimed in claim 1 is characterized in that the use method of the pulse dust collector convenient for filter bag replacement comprises the following steps:
s1, system assembly, namely, firstly, assembling a purification cavity (1), a bearing keel (2), an adjusting mechanism (3), a dust removal cloth bag frame (4), a protective cover (5), a negative pressure fan (6), a flow guide pipe (7), a flow distribution pipe (8), a flexible drainage pipe (9), a connecting pipe head (10) and a driving circuit (11), installing the assembled equipment at a specified position through the bearing keel (2), then communicating the flow guide pipe (7) with an external pulse air supply system, and communicating the negative pressure fan (6) with an external exhaust system, thereby completing system setting;
s2, the whole filter bag is replaced, in the purification operation, the dust removal cloth bags (46) of the dust removal cloth bag frames (4) in the purification cavity (1) are used for dust removal operation, in the purification operation process, one purification cavity (1) is used for purification operation, the other purification cavity (1) is used for maintenance and replacement of the filter bag (461), in the replacement operation, the dust removal cloth bag frame (4) to be replaced in the purification cavity (1) is driven by the adjusting mechanism (3) to be discharged from the overhaul port (13) of the purification cavity (1), separated from the adjusting mechanism (3) after being discharged, the brand new dust removal cloth bag frame (4) is connected and positioned with the adjusting mechanism (3), and the adjusting mechanism (3) drives the brand new dust removal cloth bag frame (4) to be brought into the purification cavity (1) so as to complete the replacement operation of the filter bag (461);
and S3, accurately replacing the filter bag, transferring the dust removal cloth bag frame (4) taken out in the step S2 to a specified maintenance position, and adjusting the distance between the pressure plate (42) and the bracket (41) through the telescopic driving mechanism (43) to enable the connection position between the hard guide pipe (44) and the dust removal cloth bag (46) to be located between the pressure plate (42) and the bracket (41), wherein the dust removal cloth bag frame (4) is electrically connected with the driving circuit (11) intermittently, so that the positioning electromagnet (464) of the dust removal cloth bag (46) is separated from the hard guide pipe (44), the separation of the dust removal cloth bag (46) and the hard guide pipe (44) is completed, and the filter bag (461) is rapidly replaced and maintained.
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| CN114452731A (en) * | 2022-02-25 | 2022-05-10 | 鑫达智能科技(河北)有限公司 | Bag type dust collector capable of automatically replacing filter bag |
| CN115518466B (en) * | 2022-09-26 | 2024-05-10 | 江苏康隆迪超净科技有限公司 | PTEE dust removal filter bag powder inclined stirrer and use method thereof |
| CN118391928B (en) * | 2024-05-13 | 2024-10-15 | 常州市范群干燥设备有限公司 | Flue gas cooling dust collection device of roasting rotary kiln |
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