CN220939653U - Flat bag filter for card type dry dust removal - Google Patents
Flat bag filter for card type dry dust removal Download PDFInfo
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- CN220939653U CN220939653U CN202322737435.1U CN202322737435U CN220939653U CN 220939653 U CN220939653 U CN 220939653U CN 202322737435 U CN202322737435 U CN 202322737435U CN 220939653 U CN220939653 U CN 220939653U
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- 239000000428 dust Substances 0.000 title claims abstract description 62
- 238000003825 pressing Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 241000276694 Carangidae Species 0.000 claims 7
- 241000719178 Carangoides ruber Species 0.000 claims 1
- 239000007888 film coating Substances 0.000 claims 1
- 238000009501 film coating Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 28
- 239000004744 fabric Substances 0.000 description 11
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 2
- 230000010485 coping Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a flat bag filter device for card type dry dust removal, which comprises a flexible filter bag net rack and a flat filter bag sleeved on the flexible filter bag net rack, wherein one end of the flexible filter bag net rack is also provided with a flat bag opening compacting frame, the flexible filter bag net rack comprises a flexible net body positioned in the middle and a strip-shaped plate frame used for supporting the flexible net body, two long rods positioned at one end of the flat filter bag opening of the strip-shaped plate frame extend outwards for a section respectively, and the extended section is inserted into a reserved hole on the flat bag opening compacting frame; the middle of the flat bag opening pressing frame is provided with a through hole structure. The utility model has large filtering area, easy ash removal and difficult damage, can be matched in a plurality of ways, is arranged in a plurality of rows and columns in a filtering box with side slots, leads the filtering units in the filtering device to be modularized, can be provided with clamp springs at the outer side to limit the flat bag filtering device on the filtering box, can be used for assembling a filter which can cope with large air quantity, and remarkably saves occupied area and space.
Description
Technical Field
The utility model belongs to the field of environmental protection, and particularly relates to a flat bag filter device for card type dry dedusting.
Background
Traditional dust removal filter equipment, generally, mostly dirty air gets into from one side of filter screen, and clean air wears out from the opposite side of filter screen, through multistage cooperation, realizes thoroughly removing dust, and this kind of dust removal mode dust removal efficiency is lower, and the handling capacity is less, and the filter screen deashing is inconvenient, and equipment is complicated, and area is big, and the power requirement is high, also has the filter equipment who uses the rectangular filter bag of circular that has the opening in the top now, but this kind of filter equipment still has following shortcoming: 1. the volume of the round strip filter bag is relatively large, so that the dust remover is large in size and occupies a large area; 2. the round strip filter bag of the dust collector using the round strip filter bag is inserted in the top, the round strip filter bag is usually longer than 5-10 m, the weight is heavier, a crane and the like are needed to replace the round strip filter bag frequently, the cost is high, the connection positions on the filter bag are more due to the longer structure of the round strip filter bag, the connection positions are provided with wrinkles, the filtering efficiency is greatly reduced, and the connection positions are more easily damaged; 3. because the round strip filter bag is in a top-inserted type, the filter bag opening on the round strip filter bag is arranged above, so that the flow direction of dust-containing gas in the dust remover needs to be in a countercurrent design of lower inlet and upper outlet, secondary turbulence exists, the formation of dust cakes is influenced, and the dust removal efficiency is influenced; 4. the circular framework supporting the circular strip filter bag is easy to break and damage in use because of too long, and the framework structure of the grating sample with larger interval is not only troublesome to manufacture, but also easy to have sharp points to abrade the filter bag, so that the service life of the filter bag is shortened. Therefore, people hope to find a dust removing and filtering device with high dust removing efficiency, large treatment capacity and convenient dust removing by a filter screen.
Disclosure of utility model
The utility model aims to provide a flat bag filter device for card type dry dust removal, which is easy to install, easy to clean and difficult to damage.
The utility model is realized by the following technical scheme:
The flat bag filter device for the card type dry dust removal comprises a flexible filter bag net rack and a flat filter bag with an opening, wherein the flat filter bag is sleeved on the flexible filter bag net rack; the middle of the flat bag opening pressing frame is provided with a through hole structure, dust-containing air to be filtered enters the flat filter bag from the outer surface of the flat filter bag, and clean air after filtration is collected at the inner side of the flat filter bag and is discharged outwards through the through hole structure in the middle of the flat bag pressing frame.
Preferably, the flat bag opening pressing frame is provided with a raised oblong clamping groove on the inner side, the through hole structure is communicated with the oblong clamping groove, the strip-shaped plate frame and the flat bag opening pressing frame are fixed together by inserting a section of the two long rods extending outwards into two ends of the oblong clamping groove, and simultaneously, the opening of the flat filter bag is pressed through the edges of the oblong clamping groove.
Preferably, the C-shaped smooth jacket is sleeved on the two long rods at the contact position of the flat filter bag and the two long rods of the strip-shaped plate frame, so that the flat filter bag is prevented from being rubbed by the flexible net body on the contact surface.
Preferably, the length of the flat filter bag is 1-3 meters. Such a length facilitates installation.
More preferably, the length of the flat filter bag is 2.2 meters.
Preferably, the outer surface of the flat filter bag is provided with an oil-proof waterproof coating layer.
Preferably, the texture structure of the flat filter bag is a structure with smaller negative pressure in the process of back blowing and ash cleaning from the through hole structure to the inside of the flat filter bag, so that collision and abrasion of the filter bag are avoided during ash cleaning, and the service life of the filter bag is greatly prolonged.
Preferably, the flat bag filtering device for card type dry dedusting is arranged on a filtering box body, the front end of the filtering box body is separated from the outside through a porous plate so as to separate dirty gas and clean gas, a plurality of rows of vertical bar-shaped jacks are uniformly arranged on the porous plate, the number of the vertical bar-shaped jacks on each row is equal, the intervals among the holes are the same, each row of vertical bar-shaped jacks are aligned one by one in the longitudinal direction to form a plurality of rows, the flat bag filtering device for card type dry dedusting with the same number of the vertical bar-shaped jacks is inserted into the inner side of the filtering box body through the vertical bar-shaped jacks on the porous plate, the flat bag opening pressing frame is clamped on the vertical bar-shaped jacks, the two sides of the vertical bar-shaped jacks on the porous plate are respectively provided with reinforcing ribs, the two ends of each clamping spring are respectively fixed through holes preset on the reinforcing ribs on the two sides of the vertical bar-shaped jacks where the flat bag opening pressing frame are inserted, and the flat bag filtering device for single card type dry dedusting can be taken out from the filtering box body through taking down the flat bag filtering device, so that the single flat bag filtering unit is very favorable for replacing the flat bag filtering unit.
The beneficial effects of the utility model are as follows:
The flat bag filter device for the card type dry dedusting has ingenious structure, dust-containing air to be filtered enters the filter bag from the outer surface of the flat filter bag, then the filtered clean air is collected at the inner side of the flat filter bag and is discharged outwards through the through hole structure in the middle of the flat bag pressing frame, therefore, dust impurities are left on the outer surface of the flat filter bag, and the dust impurities on the flat filter bag can be blown down by blowing inwards through the through hole structure in the middle of the flat bag pressing frame, so that the ash removal is completed, and the ash removal efficiency is high; the flat bag filter device can be matched in a plurality of rows and columns in the filter box with the side slots, the flat filter bags and the flexible filter bag net rack are clamped on the inner side of the filter box, the flat bag opening pressing frame is clamped on the outer side of the filter box, the filter units in the filter box are modularized, and meanwhile, the flat bag filter device can be limited on the filter box by installing the clamp spring on the outer side of the flat bag opening pressing frame, so that the flat bag filter device can be used for assembling a filter capable of coping with large-air-volume filtration, has extremely high practicability and is beneficial to environmental protection.
Drawings
The utility model will now be described by way of example and with reference to the accompanying drawings in which:
FIG. 1 is a schematic perspective view of an embodiment of the present utility model;
FIG. 2 is a schematic perspective view of the structure of FIG. 1;
FIG. 3 is a schematic view of the split structure of FIG. 1;
FIG. 4 is an enlarged view of FIG. 3 at A;
FIG. 5 is a schematic view showing a structure in which a flat bag filter for card type dry dust removal of the present utility model is inserted into a filter housing and fixed;
fig. 6 is a schematic structural view of the snap spring.
Detailed Description
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.
As shown in fig. 1-6, the flat bag filter device for card type dry dust removal comprises a flexible filter bag net frame 1 and a flat filter bag 2 with an opening, wherein the flat filter bag net frame 1 is sleeved on the flexible filter bag net frame 1, one end of the flat filter bag opening of the flexible filter bag net frame 1 is also detachably provided with a flat bag opening compression frame 3, the flexible filter bag net frame 1 comprises a flexible net body 5 positioned in the middle and a strip-shaped plate frame 6 used for supporting the flexible net body 5, two long rods 7 positioned at one end of the flat filter bag opening of the strip-shaped plate frame 6 extend outwards for a section respectively, and the extended section is inserted into a hole reserved on the flat bag opening compression frame 3 so as to fix the strip-shaped plate frame 6 and the flat bag opening compression frame 3 together; the middle of the flat bag opening pressing frame 3 is provided with a through hole structure 4, and dust-containing air enters the flat filter bag 2 from the outer surface of the flat filter bag 2 and is filtered, and then is discharged out of the flat filter bag 2 through the through hole structure 4.
The flat bag opening compresses tightly frame 3 is equipped with bellied oblong draw-in groove 8 on the inboard, through-hole structure 4 with oblong draw-in groove 8 link up mutually, and strip shaped plate frame 6 and flat bag opening compress tightly frame 3 are in the same place through inserting the one section that two stock 7 outwards extend in oblong draw-in groove 8 both ends, compress tightly the opening of flat filter bag 2 through oblong draw-in groove's limit simultaneously.
And C-shaped smooth-surface jackets 9 are sleeved on the two long rods 7 at the contact positions of the flat filter bag 2 and the two long rods 7 of the strip-shaped plate frame 6, so that the flat filter bag 2 is prevented from being rubbed by the flexible net body 5 on the contact surface.
The length of the flat filter bag 2 is 1-3 meters.
The length of the flat filter bag 2 is 2.2 meters.
The outer surface of the flat filter bag 2 is provided with an oil-proof waterproof coating layer.
The internal texture structure of the flat filter bag 2 is a structure with smaller negative pressure in the process of back blowing and ash cleaning from the through hole structure to the inside of the flat filter bag, so that collision and abrasion of the filter bag are avoided during ash cleaning, and the service life of the filter bag is greatly prolonged.
The flat bag filter device for card type dry dedusting is arranged on a filter box body, the front end of the filter box body is separated from the outside through a porous plate 11 so as to separate dirty gas and clean gas, a plurality of rows of vertical bar-shaped jacks 12 are uniformly arranged on the porous plate 11, the number of the vertical bar-shaped jacks on each row is equal, the interval between the holes is the same, the vertical bar-shaped jacks on each row are aligned one by one in the longitudinal direction to form a plurality of columns, the flat bag filter device for card type dry dedusting with the same number of the vertical bar-shaped jacks is inserted into the inner side of the filter box body through the vertical bar-shaped jacks 12 on the porous plate 11, a flat bag opening compression frame 3 is clamped on the vertical bar-shaped jacks 12, the two sides of the vertical bar-shaped jacks 12 on the porous plate 11 are respectively provided with reinforcing ribs 13, the two ends of each flat bag opening compression frame 3 are respectively fixed through holes preset on the reinforcing ribs 13 inserted into the two sides of the vertical bar-shaped jacks 12 on which the flat bag opening compression frame is positioned, and the single flat bag filter device for card type dry dedusting can be taken out of a single filter unit from the porous plate 11 through taking out the flat bag filter device for replacing a single filter unit in a filter box body.
The flat bag filter device for the card type dry dedusting has ingenious structure, dust-containing air to be filtered enters the filter bag from the outer surface of the flat filter bag, then the filtered clean air is collected at the inner side of the flat filter bag and is discharged outwards through the through hole structure in the middle of the flat bag pressing frame, therefore, dust impurities are left on the outer surface of the flat filter bag, and the dust impurities on the flat filter bag can be blown down by blowing inwards through the through hole structure in the middle of the flat bag pressing frame, so that the ash removal is completed, and the ash removal efficiency is high; the flat bag filter device can be matched in a plurality of rows and columns in the filter box with the side slots, the flat filter bags and the flexible filter bag net racks are clamped on the inner side of the filter box, the flat bag opening pressing frame is clamped on the outer side of the filter box, the filter units in the filter box are modularized, and meanwhile, the flat bag filter device can be limited on the filter box by installing the clamp springs on the outer side of the flat bag opening pressing frame, so that the flat bag filter device can be used for assembling a filter capable of coping with large air volume filtration, the occupied area and the space are remarkably saved, the flat bag filter device is particularly suitable for reconstruction projects, can be longitudinally heightened and transversely lengthened, can be flexibly customized according to the space of a site, simultaneously can keep the universality of spare parts, and a customer can meet the dust removal system of all flat bag models only by using spare parts of one specification, and has the advantages of being extremely strong in practicability and being beneficial to environmental protection, and particularly comprising the following:
1. Dust-containing air enters the filter bag from the outer surface of the flat filter bag, and clean air after filtration is collected at the inner side of the flat filter bag and is discharged outwards through a through hole structure in the middle of a pressing frame of an opening of the flat filter bag, so that dust impurities are left on the outer surface of the flat filter bag to finish filtration, and the filter is matched with a plurality of rows of flat filter bag filtering devices, so that the filter surface is large, the filtering effect is high, and the discharge concentration is low; the dust impurities on the flat filter bag can be blown down to fall into the dust filtering collecting tank by blowing inwards through the through hole structure in the middle of the flat bag opening compression frame, so that the dust removal can be completed, the low-pressure high-efficiency dust removal can be realized, the energy is saved, the dust removal efficiency is high, compressed air is adopted for blowing or a dust removal device with a nozzle is used for dust removal, and a pneumatic station and deoiling and dewatering treatment are not needed when the dust removal device is used;
2. The flat bag filter device adopts a modularized structure, is simple to assemble and maintain, saves space, has compact structure, and has the volume of only 1/2-2/3 of that of the traditional technology product under the condition of the same filter area;
3. The filter bag supporting structure of the flat bag filter device enables the flat filter bag to be in near-surface contact with the flexible filter bag net rack, so that damage of the flexible filter bag net rack to the filter bag is greatly reduced, the service life of the filter bag is guaranteed to be the most excellent, and meanwhile, the texture structure of the flat filter bag is a structure with smaller negative pressure in the ash cleaning process, so that collision and abrasion of the filter bag are avoided during ash cleaning, and the service life of the filter bag is greatly prolonged;
4. Because the flat bag filter device can be arranged in a side-plug manner, the structure design of using the airflow downstream type of vertically separating the air inlet and the dust in the dust removing device can be realized, the airflow downstream type structure solves the problem of secondary mixed flow, effectively reduces the burden of a filter bag, prolongs the service life of the filter bag, and also avoids the problem that the pressure loss of the filter bag is increased too fast along with the increase of the service time;
5. the side-inserted structure is adopted, the top surface of the flat filter bag is not provided with an opening, and when the filter bag is damaged, the phenomenon that dust enters the filter bag from the damaged position and falls into the inner cavity of the unbroken filter bag from the openings on the top surfaces of other filter bags can not occur;
6. The dust removing device can realize high-precision dust removal and ultralow-limit discharge, the applicable dust removing mode can effectively reserve a dust cake on the surface of the cloth bag, the dust removing efficiency is high, the discharge concentration is low, the device is different from the traditional high-negative pressure compressed air dust removing process in the dust removing process, the dust cake of the cloth bag is almost harmless, the traditional cloth bag has larger damage to the dust cake of the cloth bag due to larger pressure and vibration in the dust removing process, a certain time is required for forming a new dust cake, the filtering efficiency is greatly reduced, the length of the traditional cloth bag is generally six meters, the common cloth bags are connected, the filtering efficiency is greatly reduced, the connecting part is more easily damaged, and the length of the flat filter bag is much shorter than that of the traditional cloth bag;
7. Greatly reducing the cost and maintaining: the structure of the flat bag filter device and the structure of the flat bag filter device are that ash exists at the tail end of the filter bag when the filter bag is damaged, so that the damaged filter bag can be replaced in a targeted manner through observation, and the replacement cost of the filter bag is greatly reduced; because the ash removal trolley is used for ash removal, the cost for replacing the electromagnetic valve is reduced compared with the traditional cloth bag electromagnetic valve, and because the service life of the cloth bag is long and the quantity is small, the cost for replacing the cloth bag is greatly reduced;
8. The filter bag is convenient to replace, the cost of replacing the filter bag is reduced, the filter bag is arranged on the side face, the flat bag filter device is conveniently replaced when the flat bag filter device is pulled out, the traditional cloth bag needs to be arranged on the top, the length is large, and the cost of replacing the filter bag is greatly increased due to the fact that a crane is needed.
The utility model is not limited to the specific embodiments described above. The utility model extends to any novel one, or any novel combination, of the features disclosed in this specification, as well as to any novel one, or any novel combination, of the steps of the method or process disclosed.
Claims (8)
1. The flat bag filter device for the card type dry dust removal is characterized by comprising a flexible filter bag net rack and a flat filter bag sleeved on the flexible filter bag net rack and provided with an opening, wherein one end of the flexible filter bag net rack where the flat filter bag opening is positioned is detachably provided with a flat bag opening pressing frame, the flexible filter bag net rack comprises a flexible net body positioned in the middle and a strip-shaped plate frame used for supporting the flexible net body, two long rods at one end of the strip-shaped plate frame, which are positioned at the flat filter bag opening, extend outwards for a section respectively, and the extended section is inserted into a reserved hole on the flat bag opening pressing frame so as to fix the strip-shaped plate frame and the flat bag opening pressing frame together; the middle of the flat bag opening pressing frame is provided with a through hole structure.
2. The flat bag filter device for card type dry dust removal according to claim 1, wherein the flat bag opening pressing frame is provided with a raised oblong clamping groove on the inner side, the through hole structure is communicated with the oblong clamping groove, the strip-shaped plate frame and the flat bag opening pressing frame are fixed together by inserting a section of two long rods extending outwards into two ends of the oblong clamping groove, and simultaneously the opening of the flat filter bag is pressed by the edges of the oblong clamping groove.
3. The flat bag filter device for card type dry dedusting according to claim 1, wherein a C-shaped smooth jacket is sleeved on the two long rods at the contact position of the flat filter bag and the two long rods of the strip-shaped plate frame.
4. The flat bag filter device for card type dry dust removal according to claim 1, wherein the length of the flat filter bag is 1-3 m.
5. The flat bag filter apparatus for card type dry dust removal according to claim 4, wherein the length of the flat filter bag is 2.2 meters.
6. The flat bag filter device for card type dry dedusting according to claim 1, wherein the outer surface of the flat filter bag is provided with an oil-proof and water-proof film coating layer.
7. The flat bag filter device for card type dry dust removal according to claim 1, wherein the texture structure of the flat filter bag is a structure with smaller negative pressure in the process of back-blowing dust removal from the through hole structure to the inside of the flat filter bag.
8. The flat bag filter device for card type dry dust removal according to any one of claims 1 to 7, wherein the flat bag filter device for card type dry dust removal is arranged on a filter box body, the front end of the filter box body is separated from the outside through a porous plate, a plurality of rows of vertical bar-shaped jacks are uniformly arranged on the porous plate, the number of the vertical bar-shaped jacks on each row is equal, the intervals among the holes are the same, each row of vertical bar-shaped jacks are aligned one by one in the longitudinal direction to form a plurality of columns, the flat bag filter device for card type dry dust removal, which is the same as the number of the vertical bar-shaped jacks, is inserted into the inner side of the filter box body through the vertical bar-shaped jacks on the porous plate, the flat bag opening pressing frame is clamped on the vertical bar-shaped jacks, the two sides of the vertical bar-shaped jacks on the porous plate are respectively provided with reinforcing ribs, the outer side of each flat bag opening pressing frame is also fastened and fixed through a clamp spring, and two ends of the clamp spring are respectively fixed through the preset holes on the reinforcing ribs on the two sides of the vertical bar jacks where the flat bag opening pressing frame is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322737435.1U CN220939653U (en) | 2023-10-12 | 2023-10-12 | Flat bag filter for card type dry dust removal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322737435.1U CN220939653U (en) | 2023-10-12 | 2023-10-12 | Flat bag filter for card type dry dust removal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220939653U true CN220939653U (en) | 2024-05-14 |
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ID=91013609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322737435.1U Active CN220939653U (en) | 2023-10-12 | 2023-10-12 | Flat bag filter for card type dry dust removal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220939653U (en) |
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2023
- 2023-10-12 CN CN202322737435.1U patent/CN220939653U/en active Active
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