CN113941191A - Mounting structure and sack dust collector of dust removal sack - Google Patents
Mounting structure and sack dust collector of dust removal sack Download PDFInfo
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- CN113941191A CN113941191A CN202110546748.1A CN202110546748A CN113941191A CN 113941191 A CN113941191 A CN 113941191A CN 202110546748 A CN202110546748 A CN 202110546748A CN 113941191 A CN113941191 A CN 113941191A
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- air duct
- cloth bag
- dust
- air
- dust removal
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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
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
- B01D46/0008—Two or more filter elements not fluidly connected positioned in the same housing
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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
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a mounting structure of a dust removing cloth bag and a cloth bag dust removing device, wherein the mounting structure of the dust removing cloth bag comprises an air purifying chamber sealing plate, a plurality of cloth bag air duct assemblies with upward outlets are vertically arranged on the air purifying chamber sealing plate, and a cylindrical dust removing cloth bag is arranged on each cloth bag air duct assembly; the air purifying bag is characterized by further comprising an air duct support frame horizontally arranged below the air purifying chamber sealing plate, and the lower end of the cloth bag air duct assembly is fixed on the air duct support frame. The dust removal cloth bag mounting structure and the cloth bag dust removal device have the advantages of being reasonable in structural design, capable of improving the stability of the dust removal cloth bag, prolonging the service life of the cloth bag and the like.
Description
Technical Field
The invention relates to the technical field of bag-type dust removal, in particular to a mounting structure of a dust removal bag and a bag-type dust removal device.
Background
The bag type dust collector organically combines a cyclone dust collection mechanism and a filtering type dust collection mechanism, adopts a special dust collection device for removing dust in a dust removal mode, and is characterized in that cyclone is formed in the dust collector after dust-containing airflow tangentially enters the dust collector in work, large-particle dust is separated under the action of rotating centrifugal force and falls into a dust hopper to play a primary dust collection role, and the high-speed dust-containing airflow is prevented from directly scouring a filter bag. The tiny dust particles are suspended in the gas, uniformly enter the filter chamber through the airflow distribution device, are dispersed among the gaps of the filter bag and are blocked by the filter bag, and the purified airflow is discharged from the purified gas outlet to finish the purification process. After the bag-type dust collector works for a period of time, a large amount of dust in the air can be accumulated on the dust collecting bag, so that gaps on the dust collecting bag are blocked, the filtering efficiency is influenced, and the dust on the bag needs to be cleaned.
The circular cloth bag in the existing cloth bag dust removal device is only fixed at the upper end, and the lower end of the dust removal cloth bag is relatively long in suspension, so that the dust removal cloth bag can shake when dust-containing gas or compressed air reversely blows the dust removal cloth bag, although the dust deposition on the surface of the dust removal cloth bag can be slowed down to a certain extent by the shaking, the long-term shaking or shaking easily causes fatigue damage, and the service life of the dust removal cloth bag and the support device thereof is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide a structural design is reasonable, can improve the stability of dust removal sack, prolongs sack life's dust removal sack's mounting structure and have the sack dust collector of this structure.
In order to solve the technical problems, the invention adopts the following technical scheme:
a mounting structure of a dust removal cloth bag comprises a gas purifying chamber sealing plate, wherein a plurality of cloth bag air duct assemblies with upward outlets are vertically arranged on the gas purifying chamber sealing plate, and a cylindrical dust removal cloth bag is arranged on each cloth bag air duct assembly; the air purifying bag is characterized by further comprising an air duct support frame horizontally arranged below the air purifying chamber sealing plate, and the lower end of the cloth bag air duct assembly is fixed on the air duct support frame.
Furthermore, a plurality of upper air duct fixing holes are formed in the air purifying chamber sealing plate, the air duct support frame comprises a plurality of lower air duct fixing rings which are arranged in one-to-one correspondence with the upper air duct fixing holes, the lower air duct fixing rings and the upper air duct fixing holes are coaxially arranged in the vertical direction, and a framework supporting arm is connected between the plurality of lower air duct fixing rings; the upper end and the lower end of the cloth bag air duct assembly are respectively connected to the upper air duct fixing hole and the lower air duct fixing ring.
Further, the cloth bag air duct assembly comprises an air duct upper fixing ring and an air duct lower fixing ring, the air duct upper fixing ring is provided with air duct upper threads, the air duct lower fixing ring is provided with air duct lower threads, the upper air duct fixing hole and the lower air duct fixing ring are provided with internal threads, the air duct upper threads are connected with the upper air duct fixing hole in a screwing mode through threads, and the air duct lower threads are connected with the lower air duct fixing ring in a screwing mode through threads.
Further, a cylindrical cloth bag supporting frame is coaxially arranged on the upper fixing ring of the air duct, and the dust removal cloth bag is sleeved on the cloth bag supporting frame from bottom to top; the inner diameter of the air duct lower fixing ring is matched with the diameter of a dust removal cloth bag sleeved on the cloth bag support frame, so that the cloth bag support frame sleeved with the dust removal cloth bag stably penetrates through the air duct lower fixing ring.
Furthermore, the inner diameter of the air duct lower fixing ring is larger than the maximum diameter of a dust removal cloth bag sleeved on the cloth bag support frame, an elastic rubber ring is installed on an inner hole of the air duct lower fixing ring, and the minimum inner diameter of the elastic rubber ring is matched with the diameter of the cloth bag support frame.
Further, the elastic rubber ring comprises a rubber ring which is connected with the lower fixing ring of the air duct, a rubber sheet which is formed by extending along the radial direction inwards is arranged on the rubber ring, a plurality of rubber sheets are uniformly distributed along the circumferential direction at intervals, and the rubber sheets are perpendicular to the axial direction of the rubber ring.
Furthermore, a plurality of elastic rubber rings are arranged on the lower fixing ring of the air duct.
Further, the rubber sheet is provided with a plurality of layers along the axial direction of the rubber ring.
Further, the thickness of the rubber sheet is gradually reduced along the direction departing from the rubber ring.
The cloth bag dust removal device is characterized by comprising a dust remover main body, wherein the dust remover main body is internally provided with the mounting structure of the dust removal cloth bag, and the air purifying chamber sealing plate and the air cylinder supporting frame are fixedly connected to the dust remover main body.
In conclusion, the dust removal cloth bag mounting structure and the cloth bag dust removal device have the advantages of being reasonable in structural design, capable of improving the stability of the dust removal cloth bag, prolonging the service life of the cloth bag and the like.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a connection structure diagram of a cloth bag air duct assembly in an embodiment of the present invention (only a partial structure is shown in the drawing).
Fig. 2 is an internal structural view of the embodiment of the present invention.
Fig. 3 is a perspective view of an embodiment of the present invention.
FIG. 4 is a perspective view of a blow-back assembly according to an embodiment of the present invention.
Fig. 5 is a perspective view of a cloth bag air duct assembly in the embodiment of the invention.
Fig. 6 is a perspective view of an air duct support frame in an embodiment of the present invention.
FIG. 7 is a perspective view of a sealing plate for a gas purging chamber in an embodiment of the present invention.
Fig. 8 is a schematic cross-sectional structure view of a lower fixing ring of an air duct in an embodiment of the invention.
Fig. 9 and 10 are enlarged schematic views of the structure of fig. 1 at the circle.
Detailed Description
The present invention will be described in further detail below with reference to a bag house dust collector apparatus using the structure of the present invention.
In the specific implementation: a cloth bag dust removal device comprises a dust remover main body 1, as shown in figure 3, a plurality of main body supporting columns 12 are fixedly arranged at the bottom of the dust remover main body 1, supporting column bases 13 are fixedly arranged at the bottoms of the main body supporting columns 12, and anti-slip pads are fixedly arranged on the bottom side faces of the supporting column bases 13.
As shown in fig. 2, a horizontally arranged air-purifying chamber sealing plate 3 is arranged in the dust remover main body 1, a limit sealing block 104 is fixedly arranged at the joint of the inner side surface of the dust remover main body 1 and the air-purifying chamber sealing plate 3, the air-purifying chamber sealing plate 3 is clamped in the limit sealing block 104, and the air-purifying chamber sealing plate 3 divides the dust remover main body 1 into an air-purifying chamber 101 and a dust-containing blanking hopper 102 which are independent from each other up and down; the bottom of the dust-containing blanking hopper 102 is connected with a dust discharging cylinder 9, and the dust-containing blanking hopper 102 is communicated with the dust discharging cylinder 9. As shown in fig. 3, a discharging valve 11 is arranged on the dust discharging cylinder 9, and a rotary handle is arranged on the discharging valve 11.
As shown in fig. 1 and 2, a plurality of bag air duct assemblies 4 with upward outlets are vertically arranged on the air-purifying chamber sealing plate 3, and a cylindrical dust removal bag 401 is arranged on each bag air duct assembly 4; still be provided with on the dust remover main part 1 and purify gas outlet 7 and dusty gas entry 8, purify gas outlet 7 with the air-purifying chamber 101 is linked together, dusty gas entry 8 with dusty blanking fill 102 is linked together.
During operation, dusty gas enters the interior of the dusty blanking hopper through the dusty gas inlet and enters the separated air purifying chamber through the cloth bag air duct assembly, and when the dusty gas passes through the dust removing cloth bag on the cloth bag air duct assembly, dust falls into the interior of the dusty blanking hopper under the blocking effect of the dust removing cloth bag or is attached to the surface of the dust removing cloth bag, so that the dust removal of the dusty gas is realized, and the clean gas is discharged through the purified gas outlet.
In a traditional back-blowing type bag-type dust collector, compressed air is often adopted to back-blow a bag, and dust on the surface of the dust-removing bag is shaken off or blown off from inside to outside by utilizing the stronger gas pressure and impact force of the compressed air. Although the instant impact force of strong gas pressure can well remove dust deposited on the surface of the cloth bag, the dust removal cloth bag can be damaged and broken due to the excessive impact force. Meanwhile, compressed air is usually conveyed by a high-pressure air storage tank, when the compressed air is sprayed out, the volume of the air can be increased, so that the temperature of the air is reduced, when the low-temperature compressed air is contacted with a cloth bag with relatively high temperature (the temperature of the cloth bag is close to that of dust-containing air), the cloth bag can be subjected to condensation to form water drops, and after the water drops are contacted with dust on the surface of the cloth bag, mud-shaped objects with higher viscosity are formed to permeate into gaps of the cloth bag, so that filter holes (gaps) of the cloth bag are blocked, the water drops are not easy to clear, and the filtering efficiency and the service life are seriously affected.
For this reason, in the present embodiment, as shown in fig. 2 and fig. 3, a back-blowing air supply bin 6 is fixedly disposed at the upper part of the dust remover main body 1, and a back-blowing fan is disposed in the back-blowing air supply bin 6; the air inlet end of the back blowing air supply bin 6 is connected to the air purifying chamber 101 through a circulating air supply pipe 10, the air outlet end of the back blowing air supply bin 6 is connected with a back blowing component 5 through an air supply pipe 601, and a plurality of air outlets which are opposite to the outlets of the cloth bag air duct component 4 one by one are formed in the back blowing component 5.
Treat that the dust deposit on dust removal sack surface is too much, start the blowback fan in the blowback air feed storehouse, clean air suction in with the clean air room, and blow in the blowback subassembly through the air feed tuber pipe, in the reverse dust removal sack that blows in of the export of just to sack dryer subassembly by the air outlet of blowback subassembly again, on the one hand can make the sack shake, shake off the dust that will adhere to on dust removal sack surface, on the other hand, the blowback gas outwards flows from the inside of dust removal sack, also can blow off adnexed dust, thereby realize the cleanness to the sack. Simultaneously, the air in blowback air feed storehouse comes from the air-purifying chamber, and its temperature and steam content are unanimous with dirty gas to can avoid blowback gas and dirty gas to meet and produce the dewfall phenomenon, thereby can avoid the dust to meet wet the adhesion, be favorable to improving dust removal effect and dust collection efficiency, extension sack life.
In this embodiment, a blower bin fixing plate 103 is fixedly arranged at the top of the dust collector main body 1, the blowback air supply bin 6 is fixed on the blower bin fixing plate 103 through bolts, and the blowback blower is arranged in the blowback air supply bin 6.
As shown in fig. 4, the blowback assembly 5 includes a blowback assembly fixing plate 502, one side of the blowback assembly fixing plate 502 is provided with a blowback assembly connecting cylinder 501, the other side is provided with a plurality of blowback assembly air outlet cylinders 503 corresponding to the cloth bag air duct assembly 4, and the blowback assembly fixing plate 502 is further provided with a channel for communicating the blowback assembly connecting cylinder 501 and the blowback assembly air outlet cylinders 503; the blowback component connecting cylinder 501 is communicated with the air supply pipe 601, and the blowback component air outlet cylinder 503 is coaxially and oppositely arranged with the corresponding dust removal cloth bag 401.
In addition, the circular cloth bag in the existing cloth bag dust removing device is only fixed at the upper end, namely is vertically arranged on the sealing plate 3 of the air purifying chamber, and the lower end of the dust removing cloth bag is hung longer, so that the dust removing cloth bag can shake when dust-containing gas enters the dust falling hopper 102 or compressed air reversely blows the dust removing cloth bag, although the dust can be prevented from depositing on the surface of the dust removing cloth bag to a certain extent by the shaking, the long-term shaking or shaking easily causes fatigue damage, and the service life of the dust removing cloth bag and the supporting device thereof is influenced.
Therefore, in this embodiment, a horizontal air duct support frame 2 is further arranged in the dust remover main body 1, and the lower end of the cloth bag air duct assembly 4 is fixed on the air duct support frame 2.
Like this, through fixing upper end (air-purifying chamber closing plate 3) and lower extreme (dryer support frame 2) to the sack dryer subassembly, can increase the stability of sack dryer subassembly, avoid the sack dryer subassembly whole swing and damage under dusty gas and blowback gaseous effect, be favorable to improving life. In addition, the fixed dust removing cloth bags are parallel to each other, so that enough space is formed among the dust removing cloth bags, the surface area of each dust removing cloth bag is fully exposed in the dust falling hopper 102, enough filtering area is ensured, and the filtering efficiency is improved.
Specifically, as shown in fig. 6 and 7, the sealing plate 3 of the air-purifying chamber is provided with a plurality of upper air duct fixing holes 301; the air duct support frame 2 comprises a plurality of lower air duct fixing rings 202 which are arranged in one-to-one correspondence with the upper air duct fixing holes 301, the lower air duct fixing rings 202 and the upper air duct fixing holes 301 are coaxially arranged in the vertical direction, and skeleton support arms 201 are connected among the plurality of lower air duct fixing rings 202; the upper end and the lower end of the cloth bag air duct assembly 4 are respectively connected to the upper air duct fixing hole 301 and the lower air duct fixing ring 202.
In implementation, as shown in fig. 5, the cloth bag air duct assembly 4 includes an air duct upper fixing ring 402 and an air duct lower fixing ring 403, the air duct upper fixing ring 402 is provided with an air duct upper thread 404, the air duct lower fixing ring 403 is provided with an air duct lower thread 405, the upper air duct fixing hole 301 and the lower air duct fixing ring 202 are both provided with internal threads, the air duct upper thread 404 and the upper air duct fixing hole 301 are connected by screwing, and the air duct lower thread 405 and the lower air duct fixing ring 202 are connected by screwing.
Go up the dryer fixed orifices through screw thread revolve close with on the plenum closing plate through dryer upper fixed ring on the sack dryer subassembly, dryer lower fixed ring on the sack dryer subassembly and the dryer support frame on the dryer fixed ring pass through screw thread revolve close to be connected, moreover, the steam generator is simple in structure, can go on the installation of sack dryer subassembly after changing the dust removal sack through rotating the sack dryer subassembly down under the circumstances that the dust removal sack destroys, moreover, the steam generator is simple in structure, make things convenient for later maintenance and change, reduce the cost of maintenance in later stage.
In order to facilitate replacement of the dust removal cloth bag, in this embodiment, a cylindrical cloth bag support frame is coaxially arranged on the upper fixing ring 402 of the air duct, and the dust removal cloth bag 401 is sleeved on the cloth bag support frame from bottom to top; the inner diameter of the air duct lower fixing ring 403 is matched with the diameter of the dust removal cloth bag sleeved on the cloth bag support frame, so that the cloth bag support frame sleeved with the dust removal cloth bag stably penetrates through the air duct lower fixing ring 403.
When the dust removing cloth bag is replaced, the air duct upper fixing ring 402 is screwed down from the upper air duct fixing hole 301, and then the air duct upper fixing ring is communicated with the cloth bag support frame and is pulled out from the air duct lower fixing ring 403 and the upper air duct fixing hole 301 together. The damaged dust removal cloth bag is detached from the cloth bag support frame, after a new dust removal cloth bag is replaced, the air duct upper fixing ring is communicated with the cloth bag support frame and the dust removal cloth bag to sequentially penetrate through the upper air duct fixing hole and the air duct lower fixing ring from top to bottom, the air duct upper fixing ring is screwed on the upper air duct fixing hole, and replacement and installation of the cloth bag air duct assembly can be completed.
In actual use, because the dust removal cloth bag is made of the filtering material, the sewing precision is influenced by various factors, the machining precision cannot be realized, deviation is often generated on the radial dimension of the dust removal cloth bag, and in order to ensure that the dust removal cloth bag can be smoothly sleeved on the cloth bag supporting frame, the minimum inner diameter of the dust removal cloth bag must be larger than the maximum diameter of the cloth bag supporting frame. Therefore, after the dust removal cloth bags with different radial sizes are sleeved on the cloth bag support frame, different radial sizes can be generated.
In order to let the dust removal sack of different radial dimension along with the sack support frame can pass the solid fixed ring under the dryer smoothly, can be stabilized by solid fixed ring under the dryer simultaneously, still adopted following institutional advancement in this embodiment:
as shown in fig. 8, the inner diameter of the lower air duct fixing ring 403 is larger than the maximum diameter of the dust removal cloth bag sleeved on the cloth bag support frame, an elastic rubber ring 408 is installed on an inner hole of the lower air duct fixing ring 403, and the minimum inner diameter of the elastic rubber ring 408 is matched with the diameter of the cloth bag support frame.
The minimum inner diameter of the elastic rubber ring 408 is matched with the diameter of the cloth bag support frame, that is, the cloth bag support frame can just penetrate through the elastic rubber ring 408 without sleeving a dust removal cloth bag, and the elastic rubber ring 408 is not extruded and deformed. Therefore, once the dust removal cloth bag is sleeved, the dust removal cloth bag penetrates through the elastic rubber ring 408 along with the cloth bag support frame, the elastic rubber ring 408 can be extruded, the requirement that the dust removal cloth bags with different radial sizes penetrate can be met by utilizing the deformation capacity of the elastic rubber ring 408, and the dust removal cloth bag and the cloth bag support frame can be reliably fixed in the lower fixing ring of the air duct.
In order to let elastic rubber circle 408 better warp, it is specific, elastic rubber circle 408 is in including the joint the rubber ring on the solid fixed ring 403 under the dryer, have on the rubber ring along the radial inwards extension formation's sheet rubber, the sheet rubber is provided with a plurality ofly along circumference interval ground equipartition, just the sheet rubber perpendicular to the axial setting of rubber ring.
Like this, set up the sheet rubber along circumference interval for every sheet rubber can be mutually independent at the axial bending deformation of rubber ring, makes dust removal sack and sack support frame can pass more easily.
Specifically, in order to enhance the supporting strength of the rubber sheet, the following method may be adopted for reinforcement:
1. and a plurality of elastic rubber rings 408 are arranged on the lower fixing ring of the air duct or a plurality of layers of rubber sheets are arranged in the axial direction of the rubber rings.
2. The thickness of the rubber sheet is gradually reduced along the direction departing from the rubber ring. Thus, as the amount of deformation of the rubber sheet in the axial direction increases, the greater the thickness of the deformed portion of the rubber sheet, the stronger the supporting force.
In this embodiment, after the dust removal cloth bag and the cloth bag support frame pass through the lower fixing ring of the air duct, the dust removal cloth bag and the cloth bag support frame also need to rotate along with the screwing of the upper fixing ring of the air duct, in order to avoid the damage of the dust removal cloth bag caused by the relative friction with the lower fixing ring of the air duct in the rotating process, the inner hole of the lower fixing ring 403 of the air duct is further provided with a rotatable inner sleeve 407, and the elastic rubber ring 408 is mounted on the inner sleeve 407.
Therefore, the dust removal cloth bag is sleeved on the cloth bag support frame, penetrates through the elastic rubber ring 408 and can drive the elastic rubber ring 408 and the inner sleeve 407 to rotate together in the process of screwing with the fixing ring on the air duct, and the dust removal cloth bag is prevented from being damaged due to relative friction of the elastic rubber ring 408 in the rotation process of the dust removal cloth bag.
In this embodiment, the inner sleeve 407 is coaxially mounted on the inner hole of the lower fixing ring 403 of the air duct through a ball bearing sleeve 406. Of course, bearings or bushings may be used instead of the ball bearing housing 406.
As shown in fig. 2, in order to make the dust-containing gas smoothly enter the clean air chamber after being filtered by the dust-removing cloth bag, the air outlets of the blowback assemblies 5 are arranged above the outlets of the corresponding cloth bag air duct assemblies 4 at intervals.
Although the structure can meet the requirement that the filtered purified air quickly enters the air purifying chamber, the structure also provides an escape space for the blowback air blown out from the air outlet of the blowback assembly. In the traditional back-blowing type bag-type dust remover, compressed air has larger pressure and impact force under the stored energy of a compressed air storage tank, so that back-blowing gas can quickly pass through a gap between the compressed air and the compressed air storage tank and enter a dust removing bag for back-blowing dust removal. However, in this embodiment, in order to avoid the condensation phenomenon, the purified air is drawn by the blowback fan for blowback, and although the pressure of the purified air can be increased by the blowback fan, the pressure is still small compared with the pressure of the compressed air. In consideration of the fact that in the back blowing process, dust-containing gas still enters the dust remover main body and enters the dust removing cloth bag from the outside of the dust removing cloth bag, namely the outlet of the dust removing cloth bag has outward airflow, the back blowing air enters the dust removing cloth bag to form a barrier, and the probability that the back blowing air flows away (escapes) from the gap between the air outlet of the back blowing assembly 5 and the cloth bag air duct assembly 4 is increased.
For this reason, in this embodiment, an air guide barrel assembly 14 is disposed between the air outlet of the blowback assembly 5 and the outlet of the cloth bag air duct assembly 4, and the air guide barrel assembly 14 includes an air guide sleeve 141 for communicating the air outlet of the blowback assembly 5 and the outlet of the cloth bag air duct assembly 4, and a driving mechanism for driving the air guide sleeve 141 to switch between a communication state and an open state.
During blowback, the air guide sleeve is communicated with the air outlet of the blowback component 5 and the outlet of the cloth bag air duct component 4 through the driving mechanism, blowback air is directly led into the dust removal cloth bag through the air guide sleeve, the blowback air can be blown into the dust removal cloth bag completely, blowback ash removal is carried out on the dust removal cloth bag, and the effect of ash removal is favorably improved. During filtering, the air guide sleeve 141 is switched to an open state by the driving mechanism, so that the purified air at the outlet of the dust removal cloth bag can smoothly enter the purifying chamber to complete purification and filtering.
In this embodiment, the air guiding sleeve 141 is axially movably sleeved on the outlet of the cloth bag air duct assembly 4; the driving mechanism is used for driving the air guide sleeve 141 to axially move to a position where the air guide sleeve is communicated and connected between the air outlet of the blowback component 5 and the outlet of the cloth bag air duct component 4.
Certainly, in specific implementation, the air guiding sleeve 141 may be axially movably sleeved on the air outlet of the blowback assembly 5, but in this embodiment, in order to fully utilize the gravity of the air guiding sleeve 141 to switch the air guiding sleeve to the open state, it is more energy-saving to sleeve the air guiding sleeve 141 on the outlet of the cloth bag air duct assembly 4.
In order to simplify the driving mechanism for saving cost and facilitating installation of the driving mechanism, in this embodiment, as shown in fig. 9 and 10, the upper end of the air guiding sleeve 141 is provided with an attraction ring 143 made of a magnetic material capable of being attracted by a magnet, the driving mechanism includes a first annular electromagnet 142 disposed on the blowback assembly 5, and the first annular electromagnet 142 is disposed opposite to the attraction ring 143.
During back blowing, the first annular electromagnet 142 is electrified to generate magnetic force, the attraction ring 143 is attracted upwards under the action of the magnetic force to drive the air guide sleeve to move upwards, and the air outlet of the back blowing component 5 and the outlet of the cloth bag air duct component 4 are communicated. When filtering, the first annular electromagnet 142 is powered off, the attraction ring 143 loses the attraction of the magnet and falls under the action of the gravity of the air guide sleeve, so that the purified air can smoothly enter the purifying chamber from the outlet of the dust removing cloth bag.
In order to ensure that the attraction ring 143 can be more reliably attracted by the first annular electromagnet 142, the lower end of the air guide sleeve 141 is further provided with permanent magnets 144 uniformly distributed along the circumferential direction, and the magnetic poles of the permanent magnets 144 face in the same direction; the outlet of the cloth bag air duct assembly 4 is also provided with a second annular electromagnet 145 which is arranged corresponding to the permanent magnet 144, and the second annular electromagnet 145 is positioned below the air guide sleeve 141 and is close to the permanent magnet 144; the magnetic pole of the second annular electromagnet 145 in the energized state is in like polarity opposition to the magnetic pole of the permanent magnet 144.
During back blowing, the first annular electromagnet 142 and the second annular electromagnet 145 are electrified simultaneously, the two adjacent permanent magnets 144 and the second annular electromagnet 145 repel each other in the same polarity, so that the air guide sleeve moves upwards for a certain distance, and the distance between the attraction ring 143 and the first annular electromagnet 142 is shortened, so that the attraction ring 143 is better attracted by the first annular electromagnet 142. In specific implementation, the first annular electromagnet 142 and the second annular electromagnet 145 are connected in parallel, and the air guide sleeve can move up and down by powering on or powering off the first annular electromagnet and the second annular electromagnet simultaneously.
In order to improve the sealing performance between the air guide sleeve and the blowback assembly 5, the bottom surface of the first annular electromagnet 142 or the surface of the attraction ring 143 is provided with a sealing gasket.
The principle of the cylindrical bag-type dust collector provided by the embodiment is as follows:
the internally mounted of dust remover main part 1 has dryer support frame 2 and air-purifying chamber closing plate 3, install five sack dryer subassemblies 4 between dryer support frame 2 and the air-purifying chamber closing plate 3, be formed with air-purifying chamber 101 between air-purifying chamber closing plate 3 and the inside of dust remover main part 1, dusty gas enters into the inside of dusty blanking fill through dusty gas entry, enter into the divided air-purifying chamber via sack dryer subassembly, when the dust removal sack on the sack dryer subassembly, the inside of dusty blanking fill is gone into under the effect of hindrance of dust removal sack to the dust, perhaps adhere to the surface at the dust removal sack, thereby realize the dust removal to dusty gas, clean gas is discharged via the purified gas export.
During back blowing, as shown in fig. 10, the first annular electromagnet 142 and the second annular electromagnet 145 are energized, the permanent magnet 144 at the lower end of the air guide sleeve drives the air guide sleeve to move upwards under the action of the repulsive force of the second annular electromagnet 145, so that the distance between the attraction ring 143 at the top of the air guide sleeve and the first annular electromagnet 142 is shortened, the attraction ring 143 is attracted by the magnetic force of the first annular electromagnet 142 to continuously drive the guide sleeve to move upwards and finally attracted to the first annular electromagnet 142, and the air outlet of the back blowing assembly 5 and the outlet of the cloth bag air duct assembly 4 are communicated. The blowback fan is started, the purified air in the clean air chamber is pumped out and sent into the blowback component 5, the air outlet of the blowback component 5 reversely blows in the dust removal cloth bag, on one hand, the cloth bag can shake, dust attached to the surface of the dust removal cloth bag shakes off, on the other hand, blowback gas flows outwards from the inside of the dust removal cloth bag, and the attached dust also can be blown off, so that the cloth bag is cleaned.
Because the air of blowback air feed storehouse comes from the air-purifying chamber, its temperature and steam content are unanimous with dirty gas to can avoid blowback gas and dirty gas to meet and produce the dewfall phenomenon, thereby can avoid the dust to meet wet adhesion, be favorable to improving dust removal effect and dust collection efficiency, extension sack life.
It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article or system in which the element is included.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A mounting structure of a dust removal cloth bag comprises an air purifying chamber sealing plate (3), wherein a plurality of cloth bag wind barrel assemblies (4) with upward outlets are vertically arranged on the air purifying chamber sealing plate (3), and a cylindrical dust removal cloth bag (401) is arranged on each cloth bag wind barrel assembly (4); the air purifying bag is characterized by further comprising an air duct support frame (2) horizontally arranged below the air purifying chamber sealing plate (3), and the lower end of the cloth bag air duct assembly (4) is fixed on the air duct support frame (2).
2. The mounting structure of the dust removal cloth bag according to claim 1, wherein a plurality of upper air duct fixing holes (301) are formed in the air purifying chamber sealing plate (3), the air duct support frame (2) comprises a plurality of lower air duct fixing rings (202) which are arranged in one-to-one correspondence with the upper air duct fixing holes (301), the lower air duct fixing rings (202) and the upper air duct fixing holes (301) are coaxially arranged in the vertical direction, and a framework support arm (201) is connected between the plurality of lower air duct fixing rings (202); the upper end and the lower end of the cloth bag air duct assembly (4) are respectively connected to the upper air duct fixing hole (301) and the lower air duct fixing ring (202).
3. The dust removal cloth bag mounting structure according to claim 2, wherein the cloth bag air duct assembly (4) comprises an air duct upper fixing ring (402) and an air duct lower fixing ring (403), the air duct upper fixing ring (402) is provided with an air duct upper thread (404), the air duct lower fixing ring (403) is provided with an air duct lower thread (405), the upper air duct fixing hole (301) and the lower air duct fixing ring (202) are both provided with internal threads, the air duct upper thread (404) is screwed with the upper air duct fixing hole (301), and the air duct lower thread (405) is screwed with the lower air duct fixing ring (202).
4. The mounting structure of the dust removing cloth bag according to claim 3, wherein a cloth bag support frame in a cylindrical shape is coaxially arranged on the air duct upper fixing ring (402), and the dust removing cloth bag (401) is sleeved on the cloth bag support frame from bottom to top; the inner diameter of the air duct lower fixing ring (403) is matched with the diameter of a dust removal cloth bag sleeved on the cloth bag support frame, so that the cloth bag support frame sleeved with the dust removal cloth bag stably penetrates through the air duct lower fixing ring (403).
5. The mounting structure of the dust removing cloth bag according to claim 4, wherein the inner diameter of the air duct lower fixing ring (403) is larger than the maximum diameter of the dust removing cloth bag sleeved on the cloth bag supporting frame, an elastic rubber ring (408) is mounted on the inner hole of the air duct lower fixing ring (403), and the minimum inner diameter of the elastic rubber ring (408) is matched with the diameter of the cloth bag supporting frame.
6. The mounting structure of the dust collecting cloth bag according to claim 5, wherein the elastic rubber ring (408) comprises a rubber ring clamped on the lower fixing ring (403) of the air duct, the rubber ring is provided with a plurality of rubber sheets extending inwards in the radial direction, the plurality of rubber sheets are uniformly distributed at intervals in the circumferential direction, and the rubber sheets are perpendicular to the axial direction of the rubber ring.
7. The mounting structure of dust collecting cloth bags according to claim 6, wherein a plurality of elastic rubber rings (408) are arranged on the lower fixing ring of the air duct.
8. The dust collecting bag mounting structure according to claim 6, wherein the rubber sheet is provided with a plurality of layers in the axial direction of the rubber ring.
9. The dust collecting bag mounting structure according to claim 6, wherein the thickness of the rubber sheet is gradually reduced in a direction away from the rubber ring.
10. A cloth bag dust removing device, which is characterized by comprising a dust remover main body (1), wherein the dust remover main body (1) is internally provided with a dust removing cloth bag mounting structure according to any one of claims 1-9, and the air purifying chamber sealing plate (3) and the air cylinder supporting frame (2) are fixedly connected to the dust remover main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110546748.1A CN113941191B (en) | 2021-05-19 | 2021-05-19 | Mounting structure of dust removal sack and sack dust collector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110546748.1A CN113941191B (en) | 2021-05-19 | 2021-05-19 | Mounting structure of dust removal sack and sack dust collector |
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| CN113941191A true CN113941191A (en) | 2022-01-18 |
| CN113941191B CN113941191B (en) | 2023-06-20 |
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| CN202110546748.1A Active CN113941191B (en) | 2021-05-19 | 2021-05-19 | Mounting structure of dust removal sack and sack dust collector |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204219936U (en) * | 2014-11-18 | 2015-03-25 | 杭州方鼎机电设备有限公司 | Sack cleaner |
| CN107497198A (en) * | 2017-09-27 | 2017-12-22 | 王绪棠 | Suitching type air-flow deashing mechanism sack cleaner |
| CN108465310A (en) * | 2017-02-23 | 2018-08-31 | 山东盛华投资有限责任公司 | A kind of dust-extraction unit |
| CN209564743U (en) * | 2019-01-18 | 2019-11-01 | 海宁洁净除尘设备有限公司 | A kind of sack cleaner |
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2021
- 2021-05-19 CN CN202110546748.1A patent/CN113941191B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204219936U (en) * | 2014-11-18 | 2015-03-25 | 杭州方鼎机电设备有限公司 | Sack cleaner |
| CN108465310A (en) * | 2017-02-23 | 2018-08-31 | 山东盛华投资有限责任公司 | A kind of dust-extraction unit |
| CN107497198A (en) * | 2017-09-27 | 2017-12-22 | 王绪棠 | Suitching type air-flow deashing mechanism sack cleaner |
| CN209564743U (en) * | 2019-01-18 | 2019-11-01 | 海宁洁净除尘设备有限公司 | A kind of sack cleaner |
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| Publication number | Publication date |
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| CN113941191B (en) | 2023-06-20 |
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