CN118079547B - Cloth bag dust treatment device and method for positive pressure dust remover - Google Patents
Cloth bag dust treatment device and method for positive pressure dust remover Download PDFInfo
- Publication number
- CN118079547B CN118079547B CN202410516631.2A CN202410516631A CN118079547B CN 118079547 B CN118079547 B CN 118079547B CN 202410516631 A CN202410516631 A CN 202410516631A CN 118079547 B CN118079547 B CN 118079547B
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- guide
- dust
- cloth bag
- filter cloth
- arc
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- 239000004744 fabric Substances 0.000 title claims abstract description 125
- 239000000428 dust Substances 0.000 title claims abstract description 110
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000001914 filtration Methods 0.000 claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 22
- 238000007599 discharging Methods 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 25
- 238000005192 partition Methods 0.000 claims description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 10
- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 238000002955 isolation Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 42
- 239000000463 material Substances 0.000 description 6
- 238000003860 storage Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
- B01D46/0041—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
-
- 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
- B01D46/88—Replacing filter elements
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to the technical field of bag dust treatment of positive pressure dust collectors, and in particular provides a bag dust treatment device and a bag dust treatment method for a positive pressure dust collector, comprising the following steps: the dust receiving mechanism and the diversion pressing treatment mechanism. According to the invention, the gas in the discharge cylinder is guided and dispersed through the guide arc cylinders, the gas enters the guide arc cylinders, and the automatic alternate replacement of the two groups of filter cloth bags is realized through the cooperation of the dust bearing mechanism and the diversion pressing treatment mechanism, so that the problem that the dust treatment efficiency of the gas is low due to the fact that the gas is firstly closed and then the filter cloth bags are replaced is avoided, the replaced filter cloth bags are isolated from the filter cloth bags filtering the gas, and meanwhile, the top of the replaced filter cloth bags are sealed and subjected to blanking treatment, so that the problems that dust in the filter cloth bags is scattered due to the influence of the gas when the filter cloth bags are detached, the environment pollution is caused, and the health of workers is influenced are avoided.
Description
Technical Field
The invention relates to the technical field of bag dust treatment of positive pressure dust collectors, and particularly provides a bag dust treatment device and a bag dust treatment method for a positive pressure dust collector.
Background
The positive pressure pulse back-blowing cloth bag device is one kind of dust eliminating equipment technology, and is used in effectively collecting and filtering dust in gas and is widely used in industrial production, fume treatment, cement production, biomass energy source and other dust producing fields.
At present, a positive pressure pulse type back-blowing cloth bag device, a star-angle closed valve and a spiral material returning machine are generally adopted to carry out discharging in a matched manner, a filter cloth bag filters gas below the spiral material returning machine and collects dust, after the filter cloth bag is collected for a certain time, the spiral material returning machine is closed through the star-angle closed valve, and then the filter cloth bag is taken down, but the set of operation can cause mutual interference between discharging of the filter cloth bag and filtering work of the gas, so that dust treatment efficiency in the gas is reduced, and meanwhile, when the filter cloth bag is taken down for discharging, part of dust in the filter cloth bag can escape, so that efficient replacement of the filter cloth bag is not easy to realize, and the problem of large environmental protection exists, and great potential safety hazard is brought to health of operators.
Disclosure of Invention
In view of the above problems, embodiments of the present application provide a bag dust treatment device and method for a positive pressure dust collector, so as to solve the technical problems in the related art.
In order to achieve the above object, the embodiment of the present application provides the following technical solutions: a cloth bag dust handling apparatus for a positive pressure dust collector, comprising: the utility model provides a discharge tube and base, the top of discharge tube is provided with the feed inlet rather than the intercommunication, discharge tube inner wall top fixedly connected with rather than concentric fixed column, the lateral wall of fixed column is fixed with spiral guide piece, spiral guide piece forms spiral passageway with discharge tube inner wall, gas flows along spiral passageway after getting into from the feed inlet, spiral passageway prolongs gaseous flow path, the guide arc section of thick bamboo that evenly arranges and be linked together along its circumference is installed to the bottom of discharge tube, the top of a plurality of guide arc section of thick bamboo is linked together.
The top of base rotates and is connected with the concentric rotary drum of a and ejection of compact section of thick bamboo, and dust receiving mechanism is installed to the lateral wall of rotary drum.
A guide flow downward pressing treatment mechanism is arranged between the bottom of the discharging cylinder and the side wall of the rotating cylinder.
The diversion pushes down processing mechanism is including connecting in ejection of compact section of thick bamboo bottom and along the mount of its circumference evenly arranging, and the bottom of mount is installed and is curved baffle, and the middle part of baffle is provided with the shutoff and pushes down the group, and baffle and the crisscross arrangement of guide arc section of thick bamboo are provided with the water conservancy diversion box jointly between guide arc section of thick bamboo lower extreme outer wall and the adjacent baffle in its both sides, and the water conservancy diversion box comprises the guide housing of arc and arc bottom installation of connecting between two baffles, and the bottom of guide housing is provided with the gas vent, and the lateral wall of guide housing rotates with the lateral wall of rotatory section of thick bamboo to be connected.
In one possible embodiment, the lower outer side wall of the guide cover is connected with the base through a rib plate.
In one possible implementation, the top of the rotary cylinder is rotatably connected with a support column connected with the bottoms of the upper ends of the plurality of material guiding arc cylinders.
The dust bearing mechanism comprises two groups of lifting bearing groups which are vertically and slidably connected to the side wall of the rotary cylinder, each group of lifting bearing groups comprises bearing seats which are vertically and slidably connected to the side wall of the rotary cylinder and uniformly distributed along the circumferential direction of the rotary cylinder, a fixed ring connected with one end of each bearing seat far away from the rotary cylinder and a filter cloth bag detachably connected with the fixed ring, the bearing seats in the two groups of lifting bearing groups are distributed in a staggered manner along the circumferential direction of the rotary cylinder, lifting reset groups for driving the two groups of bearing seats to alternately slide up and down and reset are arranged in the rotary cylinder, and the side wall of the rotary cylinder is fixedly connected with a sealing isolation group for sealing the flow guide box.
In one possible implementation manner, the inner cavity of the guide arc cylinder is in a round hole shape, and the diameter of the inner cavity of the guide arc cylinder is smaller than the diameter of the fixed ring.
In a possible implementation mode, the sealing isolation group comprises plugging arc plates which are fixedly connected with the side wall of the rotary cylinder and uniformly distributed along the circumferential direction of the sealing isolation group, the plugging arc plates are positioned between two adjacent bearing seats, the side wall of the plugging arc plates is tightly attached to the outer ring surface of the fixed ring and the side wall of the bearing seat, the top of the fixed ring and the top of the plugging arc plates are tightly attached to the bottoms of the corresponding material guiding arc cylinders and the baffle plates, and the bottom of the plugging arc plates is provided with a baffle plate which is matched with the flow guiding box to form a gas flow guiding cavity.
In one possible implementation mode, the plugging pressing group comprises an accommodating groove which is formed in the middle of the baffle plate and penetrates through the accommodating groove from top to bottom, a cover plate is connected in a sliding mode in the accommodating groove, a rectangular strip is fixedly mounted at the top of the cover plate and is connected to the fixing frame in a sliding mode, a lifting ring which slides up and down is connected to the side wall of the discharging barrel, and the lifting ring is connected with the rectangular strip.
In a possible implementation mode, the lifting reset group comprises a plurality of guide grooves which are formed in the side wall of the rotary cylinder and are uniformly distributed along the circumferential direction of the rotary cylinder, the guide grooves are communicated with the inner cavity of the rotary cylinder, a group of bearing seats penetrate through the corresponding guide grooves and then are commonly provided with discs, another group of bearing seats penetrate through the corresponding guide grooves and then are provided with inverted-L-shaped frames, the inverted-L-shaped frames are commonly connected with connecting discs, the inner wall of the rotary cylinder is provided with mounting seats through connecting bars, the top of the mounting seats and the bottom of the rotary cylinder are both provided with reset spring rods, the telescopic ends of the reset spring rods located at the upper sides are connected with the discs, the telescopic ends of the reset spring rods located at the lower sides are connected with the connecting discs, limiting assemblies for limiting the bearing seats located in the guide boxes are arranged in the guide boxes, and wind shielding assemblies are arranged between the guide grooves and the bearing seats.
In one possible implementation manner, the wind shielding assembly comprises a storage groove which is formed in the lower end face of the guide groove and is communicated with the guide groove, the bottom of the bearing seat is fixedly provided with a wind shielding plate, and the lower end of the wind shielding plate is inserted into the storage groove.
In one possible implementation mode, the limiting component comprises a supporting bar connected to the inner wall of the guide cover, the supporting bar is mounted at the bottom of the bearing seat, the bottom of the supporting bar is in rolling connection with a ball, and the bottom of the ball is flush with the bottom of the partition plate.
In one possible embodiment, a support screen is installed in the guide housing.
In addition, the invention also provides a cloth bag dust treatment method for the positive pressure dust remover, which comprises the following steps: s1, filtering gas dust: the gas flows along the spiral channel after entering from the feed inlet, is dispersed into a plurality of circumferentially arranged guide arc cylinders, and then enters a group of filter cloth bags positioned right below the guide arc cylinders along the guide arc cylinders for filtering.
S2, guiding and discharging gas: the dust in the gas is filtered by the filter cloth bag positioned under the guide arc cylinder, and the gas is discharged from the exhaust port at the lower end of the guide box under the cooperation of the guide box and the sealing isolation group.
S3, alternately replacing filter cloth bags: after a certain period of time, the rotary drum rotates to drive the two lifting bearing groups to change positions alternately in the rotating process, so that the filter cloth bag bearing dust is moved between two adjacent guide arc drums, the filter cloth bag not bearing dust is moved to the lower part of the guide arc drums, the lower end of the guide arc drums is automatically and temporarily sealed by the sealing and isolating groups in the process, then gas is continuously discharged, the top of the fixing ring is always clung to the bottoms of the corresponding guide arc drums/baffles along with the rotating process of the rotary drum, and therefore the side wall of the filter cloth bag is in a sealed state when the filter cloth bag filters the gas, and the top of the filter cloth bag bearing dust is plugged when the filter cloth bag is removed from the bottom of the guide arc drums.
S4, treating a filter cloth bag for receiving dust: the blocking pressing group blocks the filter cloth bag, presses down the lifting bearing group bearing dust and moves downwards for a certain distance, so that the filter cloth bag can be detached from the fixed ring by the existing equipment, and then a new filter cloth bag can be replaced.
The above technical solutions in the embodiments of the present invention have at least one of the following beneficial effects: 1. according to the cloth bag dust treatment device for the positive pressure dust remover, the gas in the discharge cylinder is guided and dispersed through the guide arc cylinders, the gas enters the guide arc cylinders, and the two groups of filter cloth bags are automatically and alternately replaced through the cooperation of the dust receiving mechanism and the guide pressing treatment mechanism, so that the problem that the dust treatment efficiency of the gas is low due to the fact that the gas is firstly closed for discharging and then the filter cloth bags are replaced is avoided, the replaced filter cloth bags are isolated from the filter cloth bags filtering the gas through the cooperation of the dust receiving mechanism and the guide pressing treatment mechanism, the top of the replaced filter cloth bags are sealed and subjected to blanking treatment, and the problems that the dust dissipation and dust in the filter cloth bags are influenced by the gas to fly during disassembly, environmental pollution is avoided, and the health of workers is influenced are avoided.
2. The blocking pressing group is matched with the baffle plate, so that the filter cloth bag containing dust and the fixed ring connected with the filter cloth bag move from the bottom of the guide arc cylinder to the bottom of the baffle plate, and the baffle plate always blocks the upper part of the filter cloth bag in the moving process of the fixed ring, so that dust in the filter cloth bag is prevented from scattering.
3. The wind shielding plate in the wind shielding assembly is used for blocking the guide grooves, so that the bearing seat can be lifted and moved, and meanwhile, the problem that gas is discharged from a plurality of communicated guide grooves is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic overall perspective view of the present invention.
Fig. 2 is a schematic perspective view of a dust receiving mechanism and a diversion pressing treatment mechanism according to the present invention.
Fig. 3 is a schematic view of a partial perspective structure of the dust receiving mechanism and the diversion pressing treatment mechanism of the present invention.
Fig. 4 is a front cross-sectional view of fig. 1 of the present invention.
Fig. 5 is an enlarged view of the invention at a in fig. 4.
Fig. 6 is a schematic perspective view of the arcuate plate and guide housing of the present invention.
Fig. 7 is a schematic view showing a state that the inverted-L-shaped frame, the corresponding bearing seat, the connecting disc and the fixing ring drive the filter cloth bag to move downwards.
Fig. 8 is a schematic view showing a state that the disc and the corresponding bearing seat and the fixing ring drive the filter cloth bag to move downwards.
Reference numerals: 1. a discharging cylinder; 2. a base; 3. a feed inlet; 4. fixing the column; 5. spiral guide sheets; 6. a material guiding arc cylinder; 7. a rotary drum; 70. a support column; 8. a dust receiving mechanism; 80. a socket; 81. a fixing ring; 82. filtering the cloth bag; 83. lifting reset group; 830. a guide groove; 831. a disc; 832. an inverted L-shaped frame; 833. a connecting disc; 834. a reset spring lever; 84. sealing and isolating the group; 840. plugging the arc plate; 841. a partition plate; 850. a storage groove; 851. a wind shielding sheet; 860. a support bar; 861. a support rod; 9. a guide flow downward pressing treatment mechanism; 90. a fixing frame; 91. a baffle; 92. plugging the pressing group; 920. a cover plate; 921. a rectangular bar; 922. a lifting ring; 93. a diversion box; 930. an arc-shaped plate; 931. a guide cover; 940. rib plates; 950. and supporting the screen plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that those skilled in the art will better understand the present invention, the following description will be given in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 4, a cloth bag dust treatment apparatus for a positive pressure dust collector includes: the utility model provides a discharge tube 1 and base 2, the top of discharge tube 1 is provided with feed inlet 3 rather than the intercommunication, the inner wall top fixedly connected with of discharge tube 1 rather than concentric fixed column 4, the lateral wall fixedly connected with spiral guide piece 5 of fixed column 4, spiral guide piece 5 forms spiral passageway with discharge tube 1 inner wall, the gas flows along spiral passageway after getting into from feed inlet 3, spiral passageway has prolonged gaseous flow path, the guide arc section of thick bamboo 6 that evenly arranges along its circumference and be linked together are installed to the bottom of discharge tube 1, the top of a plurality of guide arc section of thick bamboo 6 is linked together.
Referring to fig. 1 and 4, a rotary drum 7 concentric with the discharge drum 1 is rotatably connected to the top of the base 2, and a dust receiving mechanism 8 is mounted on the side wall of the rotary drum 7; a diversion pressing treatment mechanism 9 is arranged between the bottom of the discharging cylinder 1 and the side wall of the rotating cylinder 7.
Referring to fig. 1 and 6, the diversion pressing treatment mechanism 9 includes a fixing frame 90 connected to the bottom of the discharging barrel 1 and uniformly distributed along the circumferential direction thereof, an arc-shaped baffle 91 is installed at the bottom of the fixing frame 90, a blocking pressing group 92 is provided at the middle of the baffle 91, the baffle 91 and the diversion arc barrel 6 are staggered, a diversion box 93 is jointly provided between the outer wall of the lower end of the diversion arc barrel 6 and the adjacent baffles 91 on two sides thereof, the diversion box 93 is composed of an arc plate 930 connected between the two baffles 91 and a guiding cover 931 installed at the bottom of the arc plate 930, an exhaust port is provided at the bottom of the guiding cover 931, and the side wall of the guiding cover 931 is rotationally connected with the side wall of the rotating barrel 7.
Referring to fig. 1, the outer sidewall of the lower end of the guide cover 931 is connected to the base 2 through ribs 940, so as to increase the supporting force and stability of the guide box 93.
Referring to fig. 1 and 4, the top of the rotary cylinder 7 is rotatably connected with a support column 70 connected with the bottoms of the upper ends of the plurality of guide arc cylinders 6, so as to increase the supporting force of the discharge cylinder 1.
Referring to fig. 2, 3 and 4, the dust receiving mechanism 8 includes two sets of lifting receiving sets slidably connected up and down on the side wall of the rotary drum 7, each set of lifting receiving sets includes a receiving seat 80 slidably connected up and down on the side wall of the rotary drum 7 and uniformly distributed along the circumferential direction thereof, a fixing ring 81 connected with one end of the receiving seat 80 far away from the rotary drum 7, and a filter cloth bag 82 detachably connected with the fixing ring 81, the receiving seats 80 in the two sets of lifting receiving sets are alternately distributed along the circumferential direction of the rotary drum 7, lifting reset sets 83 for driving the two sets of receiving seats 80 to alternately slide up and down are provided in the rotary drum 7, and a sealing isolation set 84 for sealing the flow guiding box 93 is fixedly connected with the side wall of the rotary drum 7.
The gas flows along the spiral channel after entering from the feed inlet 3, then disperses into a plurality of guide arc barrels 6 arranged in the circumferential direction, then enters into a filter cloth bag 82 positioned under the guide arc barrels 6 along the guide arc barrels 6 to filter dust in the gas, the filter cloth bag 82 filters dust in the gas, and the gas is discharged from an exhaust port at the lower end of the guide box 93 under the cooperation of the guide box 93 and the sealed isolation group 84, so that the gas flow after the filtration is prevented from being dispersed, a large amount of dust in the filter cloth bag 82 is dispersed when the filter cloth bag 82 is discharged, the filter cloth bag 82 is difficult to be efficiently disassembled, the problem of large environmental protection is caused, and great potential safety hazards are brought to the health of staff.
After a certain period of time, the rotary drum 7 is driven to rotate by a driving source (such as a motor) connected with the bottom of the rotary drum 7, and the rotary drum 7 drives the two groups of lifting bearing groups to be alternately replaced in position in the rotating process, so that the filter cloth bag 82 bearing dust moves between two adjacent guide arc drums 6, the filter cloth bag 82 not bearing dust moves to the lower part of the guide arc drums 6, the lower end of the guide arc drums 6 is automatically and transiently sealed by the sealing and isolating group 84 in the process, then air is continuously discharged, the top of the fixing ring 81 is always clung to the bottom of the corresponding guide arc drums 6/baffle plates 91 in the rotating process of the rotary drum 7, and therefore, when the filter cloth bag 82 filters air, the filter cloth bag 82 is in a sealed state, and when the filter cloth bag 82 bearing dust is removed from the bottom of the guide arc drums 6, the top of the filter cloth bag 82 is plugged, and the problem that the dust which is easy to fly from the upper part of the filter cloth bag 82 to fly around in the moving process is avoided.
Then the shutoff pushes down group 92 and seals up filter cloth bag 82 and pushes down and accept the lift that has the dust and accept group and move a section distance downwards to current equipment is with filter cloth bag 82 from fixed ring 81 dismantlement, then renew filter cloth bag 82, this in-process is filtering gaseous filter cloth bag 82 and is in isolated confined water conservancy diversion box 93, gaseous filter cloth bag 82 that can not blow to being renew, thereby avoided the dust to scatter and caused environmental pollution and influence staff's healthy problem, and the cooperation of diversion pushes down processing mechanism 9 and dust accept mechanism 8 makes gaseous filtration and filter cloth bag 82 dismantle each other and do not influence, avoided traditional needs to close feed inlet 3 just can dismantle filter cloth bag 82, lead to gaseous filtration inefficiency's problem.
Referring to fig. 4, the inner cavity of the guide arc tube 6 is in a circular hole shape, and the diameter of the inner cavity of the guide arc tube 6 is smaller than that of the fixing ring 81, so that the gas discharged from the guide arc tube 6 can completely enter the filter cloth bag 82 connected to the fixing ring 81 for filtering.
Referring to fig. 1,2, 3 and 6, the sealing isolation set 84 includes a sealing arc plate 840 fixedly connected to the side wall of the rotary drum 7 and uniformly distributed along the circumferential direction thereof, the sealing arc plate 840 is located between two adjacent receiving seats 80, the side wall of the sealing arc plate 840 is tightly attached to the outer ring surface of the fixed ring 81 and the side wall of the receiving seat 80, the top of the fixed ring 81 and the top of the sealing arc plate 840 are tightly attached to the corresponding guiding arc drum 6 and the bottom of the baffle 91, and the bottom of the sealing arc plate 840 is provided with a partition 841 cooperating with the guiding box 93 to form a gas guiding cavity.
The partition 841 is located above the top of the horizontal section of the guide cover 931, and the partition 841 is tightly attached to the corresponding side walls of the guide cover 931 and the arc 930, so that the guide box 93 is in a semi-closed state, and gas can only be distributed from the bottom of the guide box 93, so that the gas is prevented from flowing everywhere.
Referring to fig. 1 and 2, the plugging pressing set 92 includes a vertically through accommodating groove provided in the middle of the baffle 91, a cover plate 920 is slidably connected in the accommodating groove, a rectangular bar 921 is fixedly mounted on the top of the cover plate 920, the rectangular bar 921 is slidably connected to the fixing frame 90, a lifting ring 922 that slides up and down is connected to the side wall of the discharging barrel 1, and the lifting ring 922 is connected to the rectangular bar 921.
When the rotary cylinder 7 rotates, the filter cloth bags 82 with dust and the fixed ring 81 connected with the filter cloth bags are moved to the bottom of the baffle 91 from the bottom of the guide arc cylinder 6, the baffle 91 always seals the upper part of the filter cloth bags 82 in the moving process of the fixed ring 81, dust in the filter cloth bags 82 is prevented from flying out, when one group of filter cloth bags 82 with dust is moved to the lower part of the corresponding cover plate 920, the other group of filter cloth bags 82 is moved to the bottom of the guide arc cylinder 6 to continuously filter gas, then an external driving source (such as an electric sliding block) drives the lifting ring 922 to move downwards, the lifting ring 922 pushes the filter cloth bags 82 with dust through the rectangular strips 921 and the cover plate 920 to move downwards along with the lifting bearing group, so that the filter cloth bags 82 are detached from the fixed ring 81 by the existing equipment, then the new filter cloth bags 82 are replaced, and then the lifting ring 922 moves upwards to reset under the reset force of the lifting reset group 83.
Referring to fig. 4, 5, 7 and 8, the lifting reset group 83 includes a plurality of guide grooves 830 that are formed on the side wall of the rotary cylinder 7 and uniformly distributed along the circumferential direction of the rotary cylinder 7, the guide grooves 830 are communicated with the inner cavity of the rotary cylinder 7, a group of bearing seats 80 penetrate through the corresponding guide grooves 830 and then are jointly provided with discs 831, another group of bearing seats 80 penetrate through the corresponding guide grooves 830 and then are provided with inverted L-shaped frames 832, a connecting disc 833 is jointly connected between the inverted L-shaped frames 832, the inner wall of the rotary cylinder 7 is provided with mounting seats through connecting strips, the top of the mounting seats and the bottom of the rotary cylinder 7 are respectively provided with a reset spring 834, the telescopic ends of the reset spring 834 at the upper side are connected with the discs 831, the telescopic ends of the reset spring 834 at the lower side are connected with the connecting discs 833, the guide boxes 93 are internally provided with limiting components for limiting the bearing seats 80 located in the guide grooves 830 and the bearing seats 80, and a wind shielding component is arranged between the guide grooves 830 and the bearing seats 80.
When the lifting ring 922 moves downwards through the cover plate 920 and presses down a corresponding group of lifting bearing groups, the corresponding bearing seat 80 moves downwards and presses the corresponding reset spring rod 834 through the corresponding disc 831/connecting disc 833, so that the filter cloth bag 82 is detached from the fixed ring 81 by the existing equipment, then a new filter cloth bag 82 is replaced, and when the lifting ring 922 moves upwards, the reset spring rod 834 pushes the corresponding bearing seat 80 to move upwards to reset until the bearing seat 80 abuts against the top of the guide groove 830.
Referring to fig. 5, the wind shielding assembly includes a receiving groove 850 provided on a lower end surface of the guide groove 830 and communicated with the guide groove 830, a wind shielding plate 851 fixedly installed at a bottom of the receiving seat 80, and a lower end of the wind shielding plate 851 slidably inserted into the receiving groove 850, wherein the wind shielding plate 851 is used for blocking the guide groove 830 to avoid air being discharged from the plurality of guide grooves 830, and the wind shielding plate 851 cooperates with the receiving groove 850 to avoid affecting the up-down movement of the receiving seat 80.
Referring to fig. 4, the limiting component includes a supporting bar 860 connected to the inner wall of the guiding cover 931, a supporting bar 861 is installed at the bottom of the receiving seat 80, a ball is connected to the bottom of the supporting bar 861 in a rolling manner, the bottom of the ball is flush with the bottom of the partition 841, the supporting bar 861 is located right above the supporting bar 860 to support and limit the supporting bar 861, so that the problem that when gas enters the filtering cloth bag 82 from the guiding arc tube 6, the air pressure of the gas pushes the filtering cloth bag 82 and drives the fixing ring 81 and the receiving seat 80 to move downwards, and unfiltered gas leaks is avoided.
Referring to fig. 4, a supporting net plate 950 is installed in the guiding cover 931, and the supporting net plate 950 is used for supporting the bottom of the filtering cloth bag 82, so as to avoid the problem that when the gas enters the filtering cloth bag 82 from the guiding arc cylinder 6, the air pressure of the gas pushes the filtering cloth bag 82 to move downwards, resulting in the falling of the filtering cloth bag 82 from the fixing ring 81.
Referring to fig. 4, 5, 7 and 8, the present invention further provides a bag dust treatment method for a positive pressure dust collector, comprising the following steps: s1, filtering gas dust: the gas flows along the spiral channel after entering from the feed inlet 3, is dispersed into a plurality of circumferentially arranged guide arc cylinders 6, and then enters a group of filter cloth bags 82 positioned right below the guide arc cylinders 6 along the guide arc cylinders 6 for filtering.
S2, guiding and discharging gas: the dust in the gas is filtered by the filter cloth bag 82 positioned right below the guide arc cylinder 6, and the gas is discharged from the air outlet at the lower end of the guide box 93 under the cooperation of the guide box 93 and the sealing isolation group 84.
S3, alternately replacing filter cloth bags: after a certain period of time, the rotary drum 7 rotates, the bearing seat 80 and the fixed ring 81 are driven by the rotary drum 7 to rotate synchronously in the rotating process, the filter cloth bag 82 is driven by the fixed ring 81 to rotate synchronously, meanwhile, the rotary drum 7 also drives the sealing arc plate 840 and the partition 841 arranged at the lower end of the sealing arc plate 840 to rotate together, the rotary drum 7 drives the disc 831, the inverted L-shaped frame 832 and the connecting disc 833 (namely the whole lifting reset group 83) to rotate synchronously through the bearing seat 80, but in the rotating process, the arc plate 930, the guide cover 931, the fixing frame 90, the baffle 91 and the sealing pressing group 92 do not rotate along with the rotary drum 7, the end surface of the partition 841 far away from the rotary drum 7 is equivalent to rotate along with the inner wall of the arc plate 930, the top of the fixed ring 81 is always clung to the bottom of the corresponding guide arc cylinder 6/baffle 91, and finally the filter cloth bag 82 bearing dust moves between the two adjacent guide arc cylinders 6, and the arc plate 930 and the partition 841 on two sides of the guide arc cylinder 6 form a relatively sealed cloth bag, and the filter cloth bag 82 not bearing dust is not located in the sealed region.
S4, treating a filter cloth bag for receiving dust: after the filter cloth bag 82 with dust is moved between two adjacent guide arc cylinders 6, an external driving source (such as an electric sliding block) drives the lifting ring 922 to move downwards, the lifting ring 922 pushes the filter cloth bag 82 with dust to move downwards along with the bearing seat 80 where the filter cloth bag 82 with dust is located through the rectangular strip 921 and the cover plate 920, when the bearing seat 80 moves downwards, the corresponding partition 841 does not move downwards, the blocking arc plate 840 does not move downwards, and the lower end of the filter cloth bag 82 with dust moves out of a limited space formed by the partition 841 at two sides of the filter cloth bag 82 with dust, so that the filter cloth bag 82 is detached from the fixed ring 81 by the conventional equipment. The corresponding reset spring 834 is extruded by the corresponding disc 831/connecting disc 833 while the socket 80 moves downwards, the reset spring 834 is compressed under force, when the filter cloth bag 82 is replaced, the lifting ring 922 moves upwards, the resilience force of the reset spring 834 pushes the corresponding disc 831/connecting disc 833 to move upwards, and then the socket 80 moves upwards to reset until the socket 80 abuts against the top of the guide groove 830.
In the description of the present invention, it should be understood that the terms "long", "width", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "circumferential", etc. 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 devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not limited in scope by the present invention, so that all equivalent changes according to the structure, shape and principle of the present invention are covered in the scope of the present invention.
Claims (9)
1. A sack dust handling device for malleation dust remover, characterized by comprising: the automatic feeding device comprises a discharging barrel (1) and a base (2), wherein a feeding hole (3) communicated with the discharging barrel is formed in the top of the discharging barrel (1), a fixing column (4) concentric with the discharging barrel is fixedly connected to the top of the inner wall of the discharging barrel (1), a spiral guide plate (5) is fixedly arranged on the side wall of the fixing column (4), a spiral channel is formed between the spiral guide plate (5) and the inner wall of the discharging barrel (1), guide arc barrels (6) which are uniformly distributed along the circumferential direction of the discharging barrel (1) and communicated with the discharging barrel are arranged at the bottom of the discharging barrel (1), and the tops of the guide arc barrels (6) are communicated;
The top of the base (2) is rotationally connected with a rotary cylinder (7) concentric with the discharging cylinder (1), and a dust receiving mechanism (8) is arranged on the side wall of the rotary cylinder (7); a guide flow downward pressing treatment mechanism (9) is arranged between the bottom of the discharging cylinder (1) and the side wall of the rotating cylinder (7);
The diversion and downward pressing treatment mechanism (9) comprises a fixed frame (90) which is connected to the bottom of the discharging barrel (1) and is uniformly distributed along the circumferential direction of the fixed frame, an arc-shaped baffle (91) is arranged at the bottom of the fixed frame (90), a blocking downward pressing group (92) is arranged in the middle of the baffle (91), the baffle (91) and the diversion arc barrels (6) are distributed in a staggered mode, a diversion box (93) is arranged between the outer wall of the lower end of the diversion arc barrels (6) and the adjacent baffles (91) on the two sides of the diversion arc barrels (6), the diversion box (93) is composed of an arc-shaped plate (930) connected between the two baffles (91) and a guide cover (931) arranged at the bottom of the arc-shaped plate (930), an exhaust port is arranged at the bottom of the guide cover (931), and the side wall of the guide cover (931) is rotationally connected with the side wall of the rotary barrel (7);
The dust bearing mechanism (8) comprises two groups of lifting bearing groups which are connected to the side wall of the rotary cylinder (7) in a vertical sliding manner, each group of lifting bearing groups comprises bearing seats (80) which are connected to the side wall of the rotary cylinder (7) in a vertical sliding manner and uniformly distributed along the circumferential direction of the rotary cylinder, a fixed ring (81) connected with one end of the bearing seat (80) far away from the rotary cylinder (7) and a filter cloth bag (82) detachably connected with the fixed ring (81), the bearing seats (80) in the two groups of lifting bearing groups are distributed in a staggered manner along the circumferential direction of the rotary cylinder (7), lifting reset groups (83) which drive the two groups of bearing seats (80) to alternately slide up and down are arranged in the rotary cylinder (7), and a sealing isolation group (84) which seals the diversion box (93) is fixedly connected to the side wall of the rotary cylinder (7);
The lifting reset group (83) comprises a plurality of guide grooves (830) which are formed in the side wall of the rotary cylinder (7) and uniformly distributed along the circumferential direction of the rotary cylinder, the guide grooves (830) are communicated with the inner cavity of the rotary cylinder (7), a group of bearing seats (80) penetrate through the corresponding guide grooves (830) and then are jointly provided with discs (831), another group of bearing seats (80) penetrate through the corresponding guide grooves (830) and then are provided with inverted-L-shaped frames (832), connecting discs (833) are jointly connected between the inverted-L-shaped frames (832), the inner wall of the rotary cylinder (7) is provided with mounting seats through connecting strips, the top of each mounting seat is provided with a reset spring rod (834) at the bottom of the rotary cylinder (7), the telescopic ends of the reset spring rods (834) located at the upper side are connected with discs (831), the telescopic ends of the reset spring rods (834) located at the lower side are connected with the connecting discs (833), limiting assemblies for limiting the bearing seats (80) located in the guide boxes (93) are arranged between the guide grooves (830) and the bearing seats (80).
2. The cloth bag dust handling apparatus for a positive pressure dust remover according to claim 1, wherein: sealing isolated group (84) are including rotatory lateral wall fixed connection's of bowl (7) shutoff arc board (840) of evenly arranging along its circumference, shutoff arc board (840) are located between two adjacent accepting seats (80), and the lateral wall of shutoff arc board (840) is hugged closely with the lateral wall of fixed ring (81) outer anchor ring, accepting seat (80), fixed ring (81) are all hugged closely with the bottom of corresponding guide arc section of thick bamboo (6), baffle (91) with the top of shutoff arc board (840), baffle (841) that form gaseous water conservancy diversion chamber with water conservancy diversion box (93) cooperation are installed to the bottom of shutoff arc board (840).
3. The cloth bag dust handling apparatus for a positive pressure dust remover according to claim 1, wherein: the plugging pressing group (92) comprises an accommodating groove which is formed in the middle of the baffle (91) and penetrates through the accommodating groove from top to bottom, a cover plate (920) is connected in the accommodating groove in a sliding mode, a rectangular strip (921) is fixedly arranged at the top of the cover plate (920), the rectangular strip (921) is connected to the fixing frame (90) in a sliding mode, a lifting ring (922) which slides up and down is connected to the side wall of the discharging barrel (1), and the lifting ring (922) is connected with the rectangular strip (921).
4. The cloth bag dust handling apparatus for a positive pressure dust remover according to claim 1, wherein: the wind shielding assembly comprises a containing groove (850) which is formed in the lower end face of the guide groove (830) and is communicated with the guide groove (830), a wind shielding plate (851) is fixedly arranged at the bottom of the bearing seat (80), and the lower end of the wind shielding plate (851) is inserted into the containing groove (850).
5. The cloth bag dust handling apparatus for a positive pressure dust remover according to claim 2, wherein: the limiting component comprises a supporting bar (860) connected to the inner wall of the guide cover (931), a supporting bar (861) is installed at the bottom of the bearing seat (80), balls are connected to the bottom of the supporting bar (861) in a rolling mode, and the bottoms of the balls are flush with the bottoms of the partition plates (841).
6. The cloth bag dust handling apparatus for a positive pressure dust remover according to claim 1, wherein: the inner cavity of the guide arc cylinder (6) is in a round hole shape, and the diameter of the inner cavity of the guide arc cylinder (6) is smaller than that of the fixing ring (81).
7. The cloth bag dust handling apparatus for a positive pressure dust remover according to claim 1, wherein: the outer side wall of the lower end of the guide cover (931) is connected with the base (2) through a rib plate (940), and a supporting screen plate (950) is arranged in the guide cover (931).
8. The cloth bag dust handling apparatus for a positive pressure dust remover according to claim 1, wherein: the top of the rotary cylinder (7) is rotatably connected with a support column (70) connected with the bottoms of the upper ends of the plurality of guide arc cylinders (6).
9. A cloth bag dust treatment method for a positive pressure dust remover, which is completed by matching the cloth bag dust treatment device for the positive pressure dust remover according to claim 1, and is characterized in that: the method comprises the following steps:
S1, filtering gas dust: the gas flows along the spiral channel after entering from the feed inlet (3), is dispersed into a plurality of circumferentially arranged guide arc cylinders (6), and then enters a group of filter cloth bags (82) positioned right below the guide arc cylinders (6) along the guide arc cylinders (6) for filtering;
S2, guiding and discharging gas: the dust in the gas is filtered by a filter cloth bag (82) positioned under the guide arc cylinder (6), and the gas is discharged from an exhaust port at the lower end of the guide box (93) under the cooperation of the guide box (93) and the sealing isolation group (84);
s3, alternately replacing filter cloth bags: after a certain period of time, the rotary drum (7) rotates, the rotary drum (7) drives the two groups of lifting bearing groups to be alternately replaced in position, so that the filter cloth bag (82) bearing dust is moved between two adjacent guide arc cylinders (6), the filter cloth bag (82) not bearing dust is moved to the lower part of the guide arc cylinders (6), the sealing and isolating group (84) in the process continuously discharges gas after automatically and transiently sealing the lower end of the guide arc cylinders (6), the top of the fixed ring (81) is always clung to the bottom of the corresponding guide arc cylinder (6)/baffle (91) in the process of rotating along with the rotary drum (7), and therefore the filter cloth bag (82) is in a sealed state when the filter cloth bag (82) filters gas, and the top of the filter cloth bag (82) bearing dust is plugged when the filter cloth bag (82) is removed from the bottom of the guide arc cylinders (6);
S4, treating a filter cloth bag for receiving dust: the blocking pressing group (92) blocks the filter cloth bag (82) and presses down the lifting bearing group bearing dust to move downwards for a certain distance, so that the filter cloth bag (82) can be detached from the fixing ring (81) by the existing equipment, and then a new filter cloth bag (82) is replaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410516631.2A CN118079547B (en) | 2024-04-28 | 2024-04-28 | Cloth bag dust treatment device and method for positive pressure dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410516631.2A CN118079547B (en) | 2024-04-28 | 2024-04-28 | Cloth bag dust treatment device and method for positive pressure dust remover |
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| Publication Number | Publication Date |
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| CN118079547A CN118079547A (en) | 2024-05-28 |
| CN118079547B true CN118079547B (en) | 2024-06-25 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115245711A (en) * | 2021-12-27 | 2022-10-28 | 王辉 | Bag-type dust collector |
| CN219815632U (en) * | 2023-04-06 | 2023-10-13 | 枣庄格瑞彼勒环保科技有限公司 | Cloth bag type filtering dust removing equipment |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115245711A (en) * | 2021-12-27 | 2022-10-28 | 王辉 | Bag-type dust collector |
| CN219815632U (en) * | 2023-04-06 | 2023-10-13 | 枣庄格瑞彼勒环保科技有限公司 | Cloth bag type filtering dust removing equipment |
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| CN118079547A (en) | 2024-05-28 |
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