CN113813715A - Combined rotary filter cylinder waste gas purification system - Google Patents
Combined rotary filter cylinder waste gas purification system Download PDFInfo
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- CN113813715A CN113813715A CN202111156148.0A CN202111156148A CN113813715A CN 113813715 A CN113813715 A CN 113813715A CN 202111156148 A CN202111156148 A CN 202111156148A CN 113813715 A CN113813715 A CN 113813715A
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- ash
- purification system
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- 238000000746 purification Methods 0.000 title claims abstract description 30
- 239000002912 waste gas Substances 0.000 title claims abstract description 13
- 238000004140 cleaning Methods 0.000 claims abstract description 31
- 239000007789 gas Substances 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 239000000428 dust Substances 0.000 claims description 54
- 238000007664 blowing Methods 0.000 claims description 35
- 238000005192 partition Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000001629 suppression Effects 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 abstract description 15
- 239000012535 impurity Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 9
- 235000017491 Bambusa tulda Nutrition 0.000 description 9
- 241001330002 Bambuseae Species 0.000 description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 9
- 239000011425 bamboo Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 229910000746 Structural steel Inorganic materials 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/26—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies rotatable
-
- 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
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a combined cyclone filter cylinder waste gas purification system, wherein a rotary filter cylinder structure is arranged in a shell, the rotary filter cylinder is used as a filtering structure, a cavity structure is formed between the rotary filter cylinder and the shell, gas to be purified enters through an air inlet of the shell, the filtered gas enters the rotary filter cylinder and is discharged from an air outlet at the end part of the rotary filter cylinder, impurities in the gas to be filtered are adhered to the outer wall of the rotary filter cylinder, so that gas filtration is realized, the rotary filter cylinder continuously rotates in the filtering process, when the rotary filter cylinder rotates to a position between two ash separating plates, brushes on the surfaces of sealing rollers scrub the outer wall of the rotary filter cylinder, the adhesive on the outer wall of the rotary filter cylinder can be effectively removed, the purification efficiency is improved, the rotary filter cylinder is collected through an ash falling port along the ash separating plates, the aim of continuous purification is fulfilled, the self-cleaning of the rotary filter cylinder is improved, the device has simple structure, can avoid the blockage of the rotary filter cylinder, prolongs the cleaning period and improves the filtering efficiency.
Description
Technical Field
The invention belongs to the technical field of manufacturing of waste gas purification systems, and particularly relates to a combined rotary filter cylinder waste gas purification system.
Background
With the continuous progress of food processing and industrial technology level, the application of the dust removal technology is more extensive, and the dust removal technology can effectively purify air pollutants generated in various fields such as industry, food and the like in the fields such as industry, medical treatment, military and the like. The dust remover is used as an important component of a dust removal system and is used for removing tail gas and dust generated in processing and preventing air pollution.
The traditional cyclone dust collector has the defects of large volume, low purification rate, low dust removal precision and the like, and is difficult to realize more precise dust removal work, while the cloth bag dust collection has the advantages of high dust removal precision and the like, the cloth bag dust removal is troublesome to maintain, meanwhile, moist dust cannot be well removed, and the dust removal volume is small.
Disclosure of Invention
The invention aims to provide a combined rotary filter cylinder waste gas purification system to overcome the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a combined rotary filter cylinder waste gas purification system comprises a rotary filter cylinder, a shell and a cleaning brush device, wherein the rotary filter cylinder is rotatably arranged in the shell and is of a hollow structure, a filter screen is arranged on the outer wall of the circumference of the rotary filter cylinder, and an exhaust port is formed in the end part of the rotary filter cylinder; the outer wall of the shell is provided with an air inlet, the end part of the shell is provided with an air outlet, an air outlet of the rotary filter cylinder is communicated with the air outlet at the end part of the shell, and the rotary connection part of the rotary filter cylinder and the shell is sealed; the cleaning brush device comprises a sealing roller and a brush arranged on the surface of the sealing roller, the sealing roller is rotatably arranged at the lower end of the rotary filter cylinder, the brush can be in contact with the outer surface of the rotary filter cylinder, an ash falling port is formed in the bottom of the shell, two ash separating plates are arranged on two sides of the sealing roller in the shell respectively, and a channel is formed between the two ash separating plates and communicated with the ash falling port.
Furthermore, the rotary filter drum dust removing device further comprises a reverse blowing dust removing device, the reverse blowing dust removing device comprises a reverse blowing pipe arranged in the rotary filter drum, one end of the reverse blowing pipe is communicated to an external air source, a spray head is arranged on the part, located in the rotary filter drum, of the reverse blowing pipe, and the spray head faces towards the inner wall part of the rotary filter drum between the two dust partition plates.
Furthermore, a dust collecting hopper is arranged at the dust falling port of the shell, and the lower end of the dust collecting hopper is connected with a dust collecting box in a sealing manner.
Furthermore, the dust collecting hopper is of a conical structure, a conical small opening of the conical structure faces downwards, a V-shaped dust suppression plate is arranged in the dust collecting hopper, and the tip of the V-shaped dust suppression plate faces upwards.
Furthermore, a plurality of rotary filter cylinders are arranged in the shell, the axes of the rotary filter cylinders are parallel, and two ends of each rotary filter cylinder are rotatably connected with the inner wall of the shell.
Furthermore, a partition plate is arranged in one end, provided with an air outlet, of the shell, an opening is formed in the partition plate, the end portion, connected with the air outlet, of the shell, of the rotary filter cylinder is of a conical structure, and the partition plate is sleeved on the conical structure of the rotary filter cylinder.
Furthermore, three rotary filter cylinders are arranged in the shell and are arranged in a triangular shape.
Further, a section of thick bamboo is strained including being the skeleton of barreled in the rotation, and skeleton outer lane cladding has the filter screen, and the one end of skeleton has a section of thick bamboo rear end cap through rear end flange joint, and the other end of skeleton has a section of thick bamboo front end cap through front end flange joint, strains a section of thick bamboo front end cap and be the toper structure, is equipped with the opening on straining a section of thick bamboo front end cap, and the opening part is fixed with the sleeve that is used for installing the blowback tuber pipe through bearing bracket.
Furthermore, one end of the rotary filter cylinder is connected with a transmission device, the transmission device comprises a driving motor, a driven wheel is fixed on the rear end cover of the filter cylinder, a driving wheel is arranged on an output shaft of the driving motor, and the driving wheel is connected with the driven wheel on the rear end cover of the filter cylinder.
Furthermore, a guide plate is arranged in the air inlet of the shell.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention relates to a combined type rotary filter cylinder waste gas purification system, which is characterized in that a rotary filter cylinder structure is arranged in a shell, the rotary filter cylinder is used as a filtering structure, a cavity structure is formed between the rotary filter cylinder and the shell, gas to be purified enters through an air inlet of the shell, the filtered gas enters into the rotary filter cylinder and is discharged from an air outlet at the end part of the rotary filter cylinder, and impurities in the gas to be filtered are adhered to the outer wall of the rotary filter cylinder, so that the gas is filtered, the rotary filter cylinder continuously rotates in the filtering process, when the rotary filter cylinder rotates to a position between two ash separating plates, brushes on the surfaces of sealing rollers scrub the outer wall of the rotary filter cylinder, can effectively remove the adhered substances on the outer wall of the rotary filter cylinder, improves the purification efficiency, is collected through an ash falling port along the ash separating plates, thereby achieving the purpose of continuous purification, realizing the self-cleaning of the rotary filter cylinder, and improving the purification efficiency, the device has simple structure, can avoid the blockage of the rotary filter cylinder, prolongs the cleaning period and improves the filtering efficiency.
Furthermore, through setting up the blowback tuber pipe in the section of thick bamboo is strained in the rotation, thereby utilize the rotatory blowback ash removal device in straining the section of thick bamboo to the rotation to strain the section of thick bamboo inner wall and blow and make the rotation strain and glue impurity on the outer wall and drop to improved the clearance effect that the rotation was strained the section of thick bamboo greatly, simultaneously between two dust barriers and abandonment air inlet direction formation reverse negative pressure, avoid falling into the impurity of dust barrier other blowbacks.
Furthermore, the dust collecting hopper is of a conical structure, a conical small opening of the conical structure faces downwards, the collection of filtering impurities is facilitated, meanwhile, the V-shaped dust suppression plate is arranged in the dust collecting hopper, and the lifting of impurities falling into the dust collecting hopper is further avoided.
Furthermore, the three rotary filter cylinders arranged in the shell are arranged in a triangular mode, the two ends of each rotary filter cylinder are rotatably connected with the inner wall of the shell, the structure is simple, the filter cylinders are arranged closely, the dust removal effect is improved, and the compactness of the structure is enhanced.
Drawings
FIG. 1 is a front view of a purification system assembly according to an embodiment of the present invention.
Fig. 2 is a left side view of the purification system assembly structure in the embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a supporting base according to an embodiment of the invention.
Fig. 4 is a schematic structural diagram of a transmission device in an embodiment of the invention.
Fig. 5 is a schematic view of a rotary filter cartridge arrangement according to an embodiment of the present invention.
Fig. 6 is a schematic view of a rotary filter cartridge according to an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a housing according to an embodiment of the invention.
Fig. 8 is a schematic diagram of the internal structure of the housing in the embodiment of the present invention.
FIG. 9 is a schematic view of an exemplary embodiment of a dust hopper.
FIG. 10 is a schematic view of a cleaning brush device according to an embodiment of the present invention.
FIG. 11 is a schematic structural diagram of a blowback ash removal device according to an embodiment of the present invention.
FIG. 12 is a schematic view of the dust collecting box according to the embodiment of the present invention.
Wherein: 1-a support base; 2-a transmission device; 3-rotating the filter cartridge; 4-a shell; 5-cleaning the brush device; 6-a back-blowing ash removal device; 7-ash collecting box; 1-1-angle steel bracket; 1-2-a back-blowing fan bracket; 1-3-ground margin; 1-4-foundation bolts; 2-1-1-reduction motor; 2-1-2-a transmission housing; 2-1-4-output shaft; 2-5-coupler; 2-2-1-driven wheel; 2-2-3-chain; 3-1-cartridge rear end cap; 3-2-rear flange; 3-3-skeleton; 3-4-filtering net; 3-5-front flange; 3-6-cartridge front end cap; 3-7-bearing support; 3-8-sleeve; 4-1-upper shell; 4-2-middle shell; 4-3-lower shell; 4-4-shell skeleton; 4-5-a separator; 4-2-1-air inlet; 4-2-2-air outlet; 4-3-1-ash collecting hopper; 4-3-1-1-blowback ash guide plate; 4-3-1-2-V-shaped dust suppression plate; 5-1-a soft brush; 5-2-bristle brush; 5-3-sealing the roller; 5-4-bearing seat; 5-5-coupler; 5-6-sprocket; 5-7-chain; 5-8-ash isolating plate; 5-9-worm gear reducer; 6-1-a reverse blowing pipe; 6-2-nozzle; 6-3-electronic blast gate; 6-4 of a back-blowing fan; 7-1-a deashing door; 7-2 observation windows; 7-3 of a front inclined plate.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1 and 2, a combined rotary filter cylinder waste gas purification system comprises a rotary filter cylinder 3, a housing 4, a cleaning brush device 5 and a back-blowing ash removal device 6, wherein the rotary filter cylinder 3 is rotatably arranged in the housing 4, the rotary filter cylinder 3 is of a hollow structure, a filter screen 3-4 is arranged on the circumference of the rotary filter cylinder 3, the filter screen 3-4 is used for filtering impurities in air, and an exhaust port is arranged at the end part of the rotary filter cylinder 3; a waste gas chamber is formed between the outer ring of the rotary filter cartridge 3 and the inner wall of the shell 4, the outer wall of the shell 4 is provided with an air inlet, the air inlet is communicated with the waste gas chamber, the end part of the shell 4 is provided with an air outlet 4-4-2, an air outlet of the rotary filter cartridge 3 is communicated with the air outlet 4-4-2 at the end part of the shell 4, and the rotary connection part of the rotary filter cartridge 3 and the shell 4 is sealed; the cleaning brush device 5 comprises a sealing roller 5-3 and brushes arranged on the surface of the sealing roller 5-3, the sealing roller 5-3 is rotatably arranged at the lower end of the rotary filter cylinder 3, the bottom of the shell 4 is provided with an ash falling port, two ash separating plates 5-8 are respectively arranged on two sides of the sealing roller in the shell 4, the ash separating plates 5-8 are positioned on the outer side of the rotary filter cylinder 3, and a channel communicated with the ash falling port is formed between the two ash separating plates 5-8; the back-blowing ash-cleaning device 6 comprises a back-blowing air pipe 6-1 arranged in a rotary filter cylinder 3, one end of the back-blowing air pipe 6-1 is communicated with an external air source, a spray head 6-2 is arranged on the part of the back-blowing air pipe 6-1 positioned in the rotary filter cylinder 3, and the spray head 6-2 faces to the inner wall part of the rotary filter cylinder 3 between two ash-separating plates 5-8. the invention adopts a rotary filter cylinder structure arranged in a shell, the rotary filter cylinder is used as a filtering structure, a cavity structure is formed between the rotary filter cylinder and the shell, gas to be purified enters through an air inlet of the shell, the filtered gas enters the rotary filter cylinder 3 and is discharged from an air outlet at the end part of the rotary filter cylinder 3, and impurities in the gas to be filtered are adhered to the outer wall of the rotary filter cylinder 3, so that the gas is filtered, the rotary filter cylinder 3 continuously rotates in the filtering process, when the gas rotates between the two ash-separating plates 5-8, the brush on the surface of the sealing roller 5-3 scrubs the outer wall of the rotary filter cylinder 3, and simultaneously, the back-blowing ash removal device 6 in the rotary filter cylinder 3 is utilized to blow air to the inner wall of the rotary filter cylinder 3, so that sticky impurities on the outer wall of the rotary filter cylinder 3 drop, and the sticky substances on the outer wall of the rotary filter cylinder 3 can be effectively removed by utilizing high pressure in the back-blowing ash removal device 6, so that the purification efficiency is improved, and the materials are collected through an ash falling port along the ash separating plates 5-8, thereby achieving the aim of continuous purification, realizing the self-cleaning of the rotary filter cylinder 3, and improving the purification efficiency.
The rotary filter drum 3 adopts a metal filter drum, so that the phenomenon that moist dust is easily stuck with a bag is effectively solved, the efficiency of cleaning the filter drum is greatly improved by the back-blowing dust cleaning device and the brush self-cleaning mechanism, and the rotary filter drum has the characteristics of compact arrangement of the filter drum, high dust removal efficiency and good self-cleaning effect.
As shown in fig. 3, a support base 1 is arranged at the bottom of the shell 4, and the shell 4 is fixed on the support base 1 through bolts; the supporting base 1 is of a steel frame structure and specifically comprises an angle iron support 1-1, the angle iron support 1-1 comprises a transverse support and a vertical support, the vertical support is arranged at the bottom of the transverse support to form a frame-shaped structure, the bottom of the vertical support is provided with feet 1-3, the angle iron support is fixed to the ground through foot bolts 1-4, and the shell can be stably fixed on the supporting base; the support base 1 is provided with a back-blowing fan bracket 1-2 for installing an air source of a back-blowing ash-cleaning device 6, in particular a back-blowing fan.
Specifically, as shown in fig. 1 and 2, a plurality of rotary filter cartridges 3 are arranged in a housing 4, two ends of each rotary filter cartridge 3 are rotatably connected with the inner wall of the housing 4, a partition plate 4-5 is arranged in one end of the housing 4, which is provided with an air outlet 4-2-2, and an opening is arranged on the partition plate 4-5, the partition plate 4-5 is in sealing contact with the end surface of the rotary filter cartridge 3, specifically, the end part of the rotary filter cartridge 3 is of a conical structure, the partition plate 4-5 is sleeved on the conical structure of the rotary filter cartridge 3, an air outlet of the rotary filter cartridge 3 is communicated with a space formed by the partition plate 4-5 and the housing 4, an exhaust gas chamber is formed between the partition plate 4-5 and the outer wall of the rotary filter cartridge 3, gas entering from the air inlet of the housing 4 enters the exhaust gas chamber, and gas can only pass through the outer wall of the rotary filter cartridge 3 to enter the rotary filter cartridge 2 and is discharged from the air outlet of the rotary filter cartridge 3, thereby achieving the purpose of filtering. The end parts of the plurality of rotary filter cylinders 3 are provided with output shafts, and the output shafts are connected with a driving device.
As shown in fig. 1 and 5, the present application provides three rotary filter cartridges 3, and the three rotary filter cartridges 3 are arranged in a triangular shape. The rotary filter cylinder 3 comprises a barreled framework 3-3, a filter screen 3-4 is coated on the outer ring of the framework 3-3, the filter screen 3-4 adopts a filter cloth structure, and filter cloth with different fineness is arranged according to the filtering level; one end of the framework 3-3 is connected with a rear end cover 3-1 of the filter cylinder through a rear end flange 3-2, the other end of the framework 3-3 is connected with a front end cover 3-6 of the filter cylinder through a front end flange 3-5, the front end cover 3-6 of the filter cylinder is of a conical structure, an opening is arranged on the front end cover 3-6 of the filter cylinder, a sleeve 3-8 is fixed at the opening through a bearing support 3-7, and the sleeve 3-8 is used for installing a back blowing pipe 6-1; the framework 3-3 is arranged in the filter cylinder, so that the filter screen is not easy to deform during filtering. The bearing is arranged in the bearing support 3-7, so that the back flushing pipeline can penetrate through the sleeve 3-8 to be fixed when the filter cylinder rotates.
One end of the rotary filter cylinder 3 is arranged in the shell 4 through the transmission device 2, the other end of the rotary filter cylinder 3 is provided with an exhaust port, and one end of the rotary filter cylinder 3, which is provided with the exhaust port, is supported and fixed through a bracket or is rotationally connected with a partition plate through a sealed bearing to form a supporting structure; the transmission device 2 is fixed on the outer side of the shell 1 and can be fixed on a bracket together with the shell 1; the transmission device 2 comprises a driving motor, a driven wheel 2-2-1 is fixed on a filter cartridge rear end cover 3-1, a driving wheel is arranged on an output shaft 2-1-4 of the driving motor and connected with the driven wheel 2-2-1 on the filter cartridge rear end cover 3-1, specifically, if a rotary filter cartridge 3 is arranged in the shell 4, the driving wheel is directly connected with the driven wheel 2-2-1 on the filter cartridge rear end cover 3-1, if a plurality of rotary filter cartridges 3 are arranged in the shell 4, an annular connecting chain is formed by chains, and the simultaneous driving of the plurality of rotary filter cartridges 3 is realized by one driving motor.
As shown in fig. 4, a transmission housing 2-1-2 is arranged on the side wall of the housing 4, an output shaft of the driving motor is arranged in the transmission housing 2-1-2, and a coupling 2-5 is arranged on the output shaft 2-1-4 of the driving motor and connected with the output shaft of the driving motor; the driving motor is connected with a speed reducing motor 2-1-1; a backing plate 2-1-3 is arranged between the transmission shell 2-1-2 and the shell 2, so that the installation stability is improved, and the disassembly and maintenance are convenient; the shaft coupling 2-5 is connected with a driving wheel and used for starting a motor to drive chain transmission; the driven wheel 2-2-1 is assembled with a shaft of the rear end cover of the filter cartridge, and meanwhile, a chain 2-2-3 is matched to provide rotating power for the rotary filter cartridge.
As shown in figures 7 and 8, the shell 4 comprises an upper shell 4-1, a middle shell 4-2 and a lower shell 4-3, the upper shell 4-1, the middle shell 4-2 and the lower shell 4-3 are connected through bolts, air inlets 4-2-1 are arranged on two sides of the middle shell 4-2, an air outlet 4-2-2 is arranged at the end part of the middle shell, and an ash collecting hopper 4-3-1 is arranged at the bottom of the lower shell 4-3. A guide plate 4-2-3 is arranged in the air inlet of the shell 4, and the guide plate is used for ensuring that the dust-containing gas entering from the air inlet can be uniformly dispersed to the surface of the rotary filter cylinder. A shell framework 4-4 is arranged in the shell to ensure the rigidity of the shell, and a partition plate 4-5 is arranged on the shell, is positioned between the end part of the rotary filter cylinder and the shell 4, and divides the interior of the shell into two areas, namely an exhaust gas chamber and an air purifying chamber.
As shown in fig. 9, an ash collecting hopper 4-3-1 is arranged at the ash falling port of the shell 4, the lower end of the ash collecting hopper 4-3-1 is connected with an ash collecting box 7, the ash collecting hopper 4-3-1 is of a conical structure, and a conical small opening of the conical structure faces downwards and is arranged in an inverted cone shape; a V-shaped dust suppression plate 4-3-1-2 is arranged in the dust collection hopper 4-3-1, the V-shaped dust suppression plate 4-3-1-2 is of a V-shaped structure, and the tip of the V-shaped structure is upward (namely the direction is opposite to the conical direction of the dust collection hopper); the inside wall of the ash collecting hopper 4-3-1 is provided with a back-blowing ash guide plate 4-3-1-1, the back-blowing ash guide plate 4-3-1-1 is arranged along the two sides of the long side of the inside of the ash collecting hopper 4-3-1, the V-shaped dust suppression plate 4-3-1-2 is welded in the ash collecting hopper, the back-blowing ash guide plate 4-3-1-1 is utilized to guide the dust falling from the back-blowing ash removal device into the ash collecting box 7 at the lower end, and the V-shaped dust suppression plate 4-3-1-2 is arranged at the same time to prevent the particulate matters from flowing back from the ash collecting box 7.
Referring to fig. 10, specifically, two sets of cleaning brush devices 5 are arranged at the lower end of a rotary filter cartridge 3, the two sets of cleaning brush devices 5 are both arranged between two ash baffles 5-8, a sealing roller 5-3 of one of the two sets of cleaning brush devices 5 is provided with a soft brush 5-1, a sealing roller 5-3 of the other one of the two sets of cleaning brush devices 5 is provided with a hard brush 5-2, and the rotary filter cartridge 3 firstly passes through the soft brush 5-1 and then passes through the hard brush 5-2 in the rotating direction; the connecting sections of the sealing rollers 5-3 are all arranged in the shell 4 through bearings; specifically, a bearing seat 5-4 is arranged in a shell 4, the end part of a sealing roller 5-3 is arranged on the bearing seat 5-4 through a bearing, one end of the sealing roller 5-3 is connected with a chain wheel 5-6 through a coupler 5-5, and is connected with a driving motor through the chain wheel 5-6; for the structure of the multiple groups of rotary filter cylinders 3, chains 5-7 are adopted to connect a plurality of chain wheels 5-6; the sealing roller 5-3 is connected with the dust isolating plate 5-8 in a sealing way; the driving motor is connected with a worm gear speed reducer 5-9. The bearing seat 5-4 is connected on a support plate through a bolt, and the support plate is connected with the shell 4 through angle steel in a welding mode. An ash separation plate 5-8 is arranged below each soft brush 5-1, and the ash separation plate 5-8 guides the particles scrubbed by the brush from the filter cylinder into an ash collection hopper 4-3-1. The cleaning brush device 5 drives the chain 5-7 through the worm gear speed reducer 5-9 to drive the chain wheel 5-6 to rotate, the chain wheel shaft is connected with the brush shaft through the coupler 5-5, the soft brush 5-1 and the filter cylinder rotate in the reverse direction, the hard brush 5-2 and the filter cylinder rotate in the same direction, the hard brush 5-2 brushes large particles from the surface of the filter screen of the filter cylinder, and the soft brush 5-1 provides secondary cleaning for the filter screen, so that the filter screen is prevented from being blocked, and the dust removal efficiency is ensured.
Referring to fig. 11, for the structure of the multiple groups of rotary filter cartridges 3, a back-blowing air pipe 6-1 is arranged in each rotary filter cartridge 3, the multiple back-blowing air pipes 6-1 are connected with a main air pipe, each back-blowing air pipe 6-1 is provided with an electronic air valve 6-3, the opening and closing of the air pipes are controlled according to requirements, and the main air pipe is connected with a back-blowing fan 6-4.
Referring to fig. 12, the ash collecting barrel is provided with an ash cleaning door 7-1, an observation window 7-2 is arranged on the ash cleaning door, so that the ash collecting amount can be checked in time, workers can conveniently judge whether ash cleaning is needed, and a forward inclined plate 7-3 is arranged at the bottom of the ash collecting box, so that ash cleaning is convenient.
In the embodiment of the invention, the rotary filter cylinders 3 are arranged in a triangular mode, so that the dust removal effect is improved, and the compactness of the structure is enhanced; the metal filter cartridge is adopted, so that the phenomenon that moist dust is easy to stick in bags is effectively solved; the back flushing mechanism and the brush self-cleaning mechanism greatly improve the cleaning efficiency of the filter cylinder; the three-section type assembly of the shell enables installation and maintenance to be more convenient.
Claims (10)
1. The combined rotary filter cylinder waste gas purification system is characterized by comprising a rotary filter cylinder (3), a shell (4) and a cleaning brush device (5), wherein the rotary filter cylinder (3) is rotatably arranged in the shell (4), the rotary filter cylinder (3) is of a hollow structure, a filter screen (3-4) is arranged on the outer wall of the circumference of the rotary filter cylinder (3), and an exhaust port is formed in the end part of the rotary filter cylinder (3); an air inlet is formed in the outer wall of the shell (4), an air outlet (4-4-2) is formed in the end portion of the shell (4), an air outlet of the rotary filter cylinder (3) is communicated with the air outlet (4-4-2) in the end portion of the shell (4), and the rotary connection position of the rotary filter cylinder (3) and the shell (4) is sealed; the brush cleaning device (5) comprises a sealing roller (5-3) and brushes arranged on the surfaces of the sealing roller (5-3), the sealing roller (5-3) is rotatably arranged at the lower end of the rotary filter cylinder (3) and can be contacted with the outer surface of the rotary filter cylinder (3), an ash falling port is arranged at the bottom of the shell (4), ash separating plates (5-8) are respectively arranged on two sides of the sealing roller in the shell (4), and a channel communicated with the ash falling port is formed between the two ash separating plates (5-8).
2. The combined rotary filter cylinder exhaust gas purification system according to claim 1, further comprising a reverse blowing ash removal device (6), wherein the reverse blowing ash removal device (6) comprises a reverse blowing duct (6-1) arranged in the rotary filter cylinder (3), one end of the reverse blowing duct (6-1) is communicated to an external air source, a spray head (6-2) is arranged on a part of the reverse blowing duct (6-1) located in the rotary filter cylinder (3), and the spray head (6-2) faces towards the inner wall part of the rotary filter cylinder (3) between the two ash separating plates (5-8).
3. The combined rotary filter cylinder exhaust gas purification system according to claim 1, wherein an ash collection hopper (4-3-1) is arranged at the ash falling port of the housing (4), and an ash collection box (7) is hermetically connected to the lower end of the ash collection hopper (4-3-1).
4. A combined rotary filter cylinder exhaust gas purification system according to claim 3, wherein the dust hopper (4-3-1) is of a conical structure with a small conical opening facing downward, a V-shaped dust suppression plate (4-3-1-2) is arranged in the dust hopper (4-3-1), and the tip of the V-shaped dust suppression plate (4-3-1-2) faces upward.
5. A combined rotary filter cartridge exhaust gas purification system according to claim 1, wherein a plurality of rotary filter cartridges (3) are provided in the housing (4), the axes of the plurality of rotary filter cartridges (3) are parallel, and both ends of the rotary filter cartridges (3) are rotatably connected to the inner wall of the housing (4).
6. The combined rotary filter cylinder waste gas purification system as claimed in claim 1 or 5, wherein a partition plate (4-5) is arranged in one end of the housing (4) provided with the air outlet (4-2-2), an opening is formed in the partition plate (4-5), the end of the rotary filter cylinder (3) connected with the housing (4) provided with the air outlet (4-2-2) is of a conical structure, and the partition plate (4-5) is sleeved on the conical structure of the rotary filter cylinder (3).
7. A combined rotary filter cartridge exhaust gas purification system according to claim 5, wherein three rotary filter cartridges (3) are provided in the housing (4), the three rotary filter cartridges (3) being arranged in a triangular shape.
8. The combined rotary filter cylinder exhaust gas purification system according to claim 2, wherein the rotary filter cylinder (3) comprises a barreled framework (3-3), the outer ring of the framework (3-3) is coated with a filter screen (3-4), one end of the framework (3-3) is connected with a filter cylinder rear end cover (3-1) through a rear end flange (3-2), the other end of the framework (3-3) is connected with a filter cylinder front end cover (3-6) through a front end flange (3-5), the filter cylinder front end cover (3-6) is of a conical structure, an opening is formed in the filter cylinder front end cover (3-6), and a sleeve (3-8) for installing a back blowing pipe (6-1) is fixed at the opening through a bearing support (3-7).
9. The combined rotary filter cartridge exhaust gas purification system according to claim 8, wherein one end of the rotary filter cartridge (3) is connected with a transmission device (2), the transmission device (2) comprises a driving motor, a driven wheel (2-2-1) is fixed on a filter cartridge rear end cover (3-1), an output shaft (2-1-4) of the driving motor is provided with a driving wheel, and the driving wheel is connected with the driven wheel (2-2-1) on the filter cartridge rear end cover (3-1).
10. A modular rotary filter cartridge exhaust gas purification system according to claim 1, wherein a baffle (4-2-3) is provided in the air inlet of the housing (4).
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| CN202111156148.0A CN113813715A (en) | 2021-09-29 | 2021-09-29 | Combined rotary filter cylinder waste gas purification system |
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| CN202111156148.0A CN113813715A (en) | 2021-09-29 | 2021-09-29 | Combined rotary filter cylinder waste gas purification system |
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| CN118224914A (en) * | 2024-05-21 | 2024-06-21 | 潍坊市瀚源能源科技有限公司 | Printing shaping oven waste heat recovery device |
| CN118274405A (en) * | 2024-05-31 | 2024-07-02 | 甘肃唐荟环保科技有限公司 | Indoor air purifying device |
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Application publication date: 20211221 |