CN109045863B - Dust removal filter bag with multilayer structure - Google Patents
Dust removal filter bag with multilayer structure Download PDFInfo
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- CN109045863B CN109045863B CN201811177724.8A CN201811177724A CN109045863B CN 109045863 B CN109045863 B CN 109045863B CN 201811177724 A CN201811177724 A CN 201811177724A CN 109045863 B CN109045863 B CN 109045863B
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- 239000000428 dust Substances 0.000 title claims description 26
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 14
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 14
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 14
- 239000004744 fabric Substances 0.000 claims abstract description 11
- 239000004642 Polyimide Substances 0.000 claims abstract description 5
- 229920001721 polyimide Polymers 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 2
- 239000003063 flame retardant Substances 0.000 abstract description 2
- 239000000779 smoke Substances 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- 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
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/46—Auxiliary equipment or operation thereof controlling filtration automatic
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a dust-removing filter bag with a multilayer structure, which comprises a mounting plate, a clamping plate, a cage frame and a filter bag body, wherein the mounting plate and the clamping plate are both in a circular ring shape, the filter bag body is sleeved outside the cage frame, a bag opening of the filter bag body is clamped between the mounting plate and the clamping plate, the mounting plate and the clamping plate are fixed through bolts, the cage frame comprises a plurality of vertical rods which are parallel to each other and a plurality of circular ring-shaped units which are parallel to each other, each vertical rod is fixedly connected with all the circular ring-shaped units, and all the vertical rods are fixedly connected with the mounting plate; the filter bag body comprises a base cloth layer, a polyimide needled felt and a polytetrafluoroethylene three-dimensional needled felt. The filter bag disclosed by the invention is high-temperature-resistant, flame-retardant and good in corrosion resistance, and can be used for detecting whether the filter bag is damaged or not.
Description
Technical Field
The invention relates to the field of chemical industry, in particular to a dust removal filter bag with a multilayer structure.
Background
Along with the stricter environmental protection treatment of the country, people pay more attention to and pay more attention to the comprehensive treatment technology of industrial smoke pollution. The bag type dust removal technology has the advantages of high filtration efficiency, long service life and the like, and is more and more widely applied to the field of industrial smoke dust treatment. However, in the process of reusing the filter bag, breakage may occur, sometimes the breakage cannot be found in time, manual inspection is carried out, the workload is large, and the difficulty is high.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to overcome the defects of the prior art and provides a dust removal filter bag with a multilayer structure.
The technical scheme is as follows: the utility model provides a dust removal filter bag, includes mounting panel, grip block, cage and filter bag body, mounting panel and grip block are ring shape, this body cover of filter bag is outside the cage, just the sack of filter bag body is by the centre gripping between mounting panel and grip block, mounting panel and grip block pass through the bolt fastening, the cage includes a plurality of montants that are parallel to each other and a plurality of ring shape units that are parallel to each other, the equal fixed connection of ring shape unit of every montant and all, all montants with the equal fixed connection of mounting panel.
Further, the filter bag body comprises a base cloth layer, a polyimide needle-punched felt and a polytetrafluoroethylene three-dimensional needle-punched felt.
Further, the base cloth layer is an alkali-free glass fiber base cloth layer; the filter bag body also comprises a polytetrafluoroethylene membrane with micropores, wherein the polytetrafluoroethylene membrane is coated on the surface of the polytetrafluoroethylene three-dimensional needled felt.
Furthermore, a plurality of vertical rods are fixedly welded with the mounting plate, and each vertical rod is fixedly welded with all the circular ring-shaped units; the circular ring-shaped unit is a circular ring-shaped rod, and the cross section of the circular ring-shaped rod is circular.
Further, the number of the vertical rods is more than 6; the mounting plate has a plurality of mounting holes.
The mounting plate is connected with a circular plate through a plurality of first connecting supports, the circular plate is connected with an upper circular plate through a plurality of second connecting supports, the lower circular plate is fixedly connected with the bottom ends of all vertical rods, a vertical cylinder is fixed between the upper circular plate and the lower circular plate, a transparent fixed plate is fixed in the vertical cylinder, a guide rod with a regular octagonal cross section is fixedly connected between the upper circular plate and the fixed plate, a motor extending out of two ends of a motor shaft is fixed at the upper circular plate, two ends of the motor shaft are respectively provided with a winding device, the guide rod penetrates through a first sliding plate, a second sliding plate, a third sliding plate and a fourth sliding plate, the first sliding plate, the second sliding plate, the third sliding plate and the fourth sliding plate are arranged from bottom to top, the first sliding plate, the second sliding plate, the third sliding plate and the fourth sliding plate are circular plates and are provided with regular octagonal through holes, the first sliding plate is connected with two first strip-shaped plates positioned on the same, the second sliding plate is connected with two second strip-shaped plates which are positioned on the same straight line, the third sliding plate is connected with two third strip-shaped plates which are positioned on the same straight line, the fourth sliding plate is connected with two fourth strip-shaped plates which are positioned on the same straight line, the first strip-shaped plate and the second strip-shaped plate form a 45-degree angle, the second strip-shaped plate and the third strip-shaped plate form a 45-degree angle, the third strip-shaped plate and the fourth strip-shaped plate form a 45-degree angle, two first pull ropes are connected between the fixed plate and the first sliding plate, two second pull ropes are connected between the first sliding plate and the second sliding plate, two third pull ropes are connected between the second sliding plate and the third sliding plate, two fourth pull ropes are connected between the third sliding plate and the fourth sliding plate, and a fifth pull rope is connected between the fourth sliding plate and each; the vertical cylinder is provided with a first side hole, a second side hole, a third side hole and a fourth side hole, when the first pull rope, the second pull rope, the third pull rope and the fourth pull rope are in a straightening state, the first side hole is positioned between the fixed plate and the first sliding plate, the second side hole is positioned between the first sliding plate and the second sliding plate, the third side hole is positioned between the second sliding plate and the third sliding plate, and the fourth side hole is positioned between the third sliding plate and the fourth sliding plate; the lower circular plate is fixedly provided with an annular light source, an image acquisition device, a wireless communication unit and a controller, and the annular light source, the image acquisition device, the wireless communication unit and the motor are all connected with the controller.
Further, the first connecting bracket and the second connecting bracket are provided with 4 connecting brackets.
Furthermore, the first, second, third, fourth and fifth pull ropes are not elastic; the lengths of the first pull rope, the second pull rope, the third pull rope and the fourth pull rope are all equal.
Furthermore, the first, second, third and fourth side holes are all vertical strip-shaped through holes; the first side holes are multiple, are positioned at the same height and are distributed at equal intervals along the circumferential direction of the vertical cylinder; the second side holes are multiple, are positioned at the same height and are distributed at equal intervals along the circumferential direction of the vertical cylinder; the third side holes are arranged at the same height and are distributed at equal intervals along the circumferential direction of the vertical cylinder; the fourth side holes are provided with a plurality of holes, are positioned at the same height and are distributed at equal intervals along the circumferential direction of the vertical cylinder.
Further, the fixing plate is a circular plate, and the distance from the lower surface of the fixing plate to the upper surface of the lower circular plate is less than 10 cm; when the first, second, third and fourth pull ropes are tightened, the distance from the upper surface of the fourth sliding plate to the lower surface of the upper circular plate is less than 10cm, preferably less than 3 cm.
Furthermore, the lower surfaces of the first, second, third and fourth shaped plates are frosted surfaces.
Further, the lower surface of the first strip-shaped plate is red, the lower surface of the second strip-shaped plate is green, the lower surface of the third strip-shaped plate is yellow, and the lower surface of the fourth strip-shaped plate is purple.
Furthermore, the colors of the lower surfaces of the first, second, third and fourth shaped plates are different pairwise.
Has the advantages that: the filter bag disclosed by the invention is high-temperature-resistant, flame-retardant and good in corrosion resistance. And whether the filter bag is broken or not can be detected.
Drawings
FIG. 1 is a schematic view of a layered structure of a filter bag body;
FIG. 2 is a schematic view of the dust filter bag when the first, second, third and fourth pull ropes are tightened;
FIG. 3 is a schematic view of the dust filter bag when the first, second, third and fourth sliding plates are at the lowest point;
fig. 4 is a schematic bottom view of the guide bar, the first, second, third and fourth sliding plates and the first, second, third and fourth sliding plates.
Detailed Description
Reference numerals: 1.1 mounting the plate; 1.2 a circular ring plate; 1.3, an upper circular plate; 1.4 first connecting bracket; 1.5 a second connecting bracket; 1.7 clamping plates; 1.8 bolts; 2.1 vertical rods; 2.2 a circular ring shaped unit; 3, vertical cylinder; 3.1 a first side hole; 3.2 second side holes; 3.3 third side holes; 3.4 fourth side hole; 4, a lower circular plate; 4.1 image acquisition means; 4.2 a ring light source; 5 fixing the plate; 5.1 first sliding plate; 5.2 second sliding plate; 5.3 third sliding plates; 5.4 fourth gliding board; 5.1.1 first strip-shaped plate; 5.2.1 a second strip; 5.3.1 a third strip; 5.4.1 fourth strip; 5.5 a guide rod; 5.6 the motor; 6.1 a first pull rope; 6.2 a second pull rope; 6.3 a third pull rope; 6.4 a fourth pull rope; 6.5 a fifth pull rope; 10 a filter bag body; 10.1 an alkali-free glass fiber base fabric layer; 10.2 polyimide needled felt; 10.3 Polytetrafluoroethylene three-dimensional needled felt.
A dust-removing filter bag comprises a mounting plate 1.1, a clamping plate 1.7, a cage and a filter bag body 10, wherein the mounting plate and the clamping plate are both in a circular ring shape, the filter bag body is sleeved outside the cage, a bag opening of the filter bag body is clamped between the mounting plate and the clamping plate, the mounting plate and the clamping plate are fixed through bolts, the cage comprises a plurality of vertical rods 2.1 which are parallel to each other and a plurality of circular ring-shaped units 2.2 which are parallel to each other, each vertical rod 2.1 is fixedly connected with all the circular ring-shaped units 2.2, and all the vertical rods are fixedly connected with the mounting plate; the filter bag body comprises a base cloth layer 10.1, a polyimide needled felt 10.2 and a polytetrafluoroethylene three-dimensional needled felt 10.3.
The base cloth layer is an alkali-free glass fiber base cloth layer; the filter bag body also comprises a polytetrafluoroethylene membrane with micropores, wherein the polytetrafluoroethylene membrane is coated on the surface of the polytetrafluoroethylene three-dimensional needled felt. The vertical rods are fixedly welded with the mounting plate, and each vertical rod is fixedly welded with all the circular ring-shaped units; the circular ring-shaped unit is a circular ring-shaped rod, and the cross section of the circular ring-shaped rod is circular. The number of the vertical rods is more than 6; the mounting plate has a plurality of mounting holes.
In addition, in order to detect whether the filter bag body is damaged or not, the filter bag further comprises a lower circular plate 4, the mounting plate is connected with a circular plate 1.2 through a plurality of first connecting supports 1.4, the circular plate is connected with an upper circular plate 1.3 through a plurality of second connecting supports 1.5, the lower circular plate is fixedly connected with the bottom ends of all vertical rods 2.1, a vertical cylinder 3 is fixed between the upper circular plate 1.3 and the lower circular plate 4, a transparent fixed plate 5 is fixed in the vertical cylinder, a guide rod 5.5 with a regular octagonal cross section is fixedly connected between the upper circular plate and the fixed plate, a motor 5.6 extending out of two ends of a motor shaft is fixed on the upper circular plate, two winding devices are respectively arranged at two ends of the motor shaft, the guide rod penetrates through a first sliding plate 5.1, a second sliding plate 5.2, a third sliding plate 5.3 and a fourth sliding plate 5.4, the first sliding plate, the second sliding plate, the third sliding plate and the fourth sliding plate are arranged from bottom, The second, third and fourth sliding plates are all circular plates and have regular octagonal through holes, the first sliding plate 5.1 is connected with two first strip-shaped plates 5.1.1 which are positioned on the same straight line, the second sliding plate 5.2 is connected with two second strip-shaped plates 5.2.1 which are positioned on the same straight line, the third sliding plate 5.3 is connected with two third strip-shaped plates 5.3.1 which are positioned on the same straight line, the fourth sliding plate 5.4 is connected with two fourth strip-shaped plates 5.4.1 which are positioned on the same straight line, the first strip-shaped plate 5.1.1 and the second strip-shaped plate 5.2.1 form a 45-degree angle, the second strip-shaped plate 5.2.1 and the third strip-shaped plate 5.3.1 form a 45-degree angle, the fixed plate and the first sliding plate are connected with two first pull ropes 6.1, the first pull ropes and the second sliding plate are connected with two second pull ropes 6.2, and the second pull ropes and the third sliding plate are connected with two pull ropes and the third pull ropes, two fourth pull ropes 6.4 are connected between the third sliding plate and the fourth sliding plate, and a fifth pull rope 6.5 is connected between the fourth sliding plate and each winding device; the vertical cylinder is provided with a first side hole, a second side hole, a third side hole and a fourth side hole, when the first pull rope, the second pull rope, the third pull rope and the fourth pull rope are in a straightening state, the first side hole is positioned between the fixed plate and the first sliding plate, the second side hole is positioned between the first sliding plate and the second sliding plate, the third side hole is positioned between the second sliding plate and the third sliding plate, and the fourth side hole is positioned between the third sliding plate and the fourth sliding plate; an annular light source 4.2, an image acquisition device 4.1, a wireless communication unit and a controller are fixed at the lower circular plate, and the annular light source, the image acquisition device, the wireless communication unit and the motor are all connected with the controller.
The first connecting bracket and the second connecting bracket are respectively provided with 4 connecting brackets. The first, second, third, fourth and fifth pull ropes are not elastic; the lengths of the first pull rope, the second pull rope, the third pull rope and the fourth pull rope are all equal. The first, second, third and fourth side holes are vertical strip-shaped through holes; the first side holes are multiple, are positioned at the same height and are distributed at equal intervals along the circumferential direction of the vertical cylinder; the second side holes are multiple, are positioned at the same height and are distributed at equal intervals along the circumferential direction of the vertical cylinder; the third side holes are arranged at the same height and are distributed at equal intervals along the circumferential direction of the vertical cylinder; the fourth side holes are provided with a plurality of holes, are positioned at the same height and are distributed at equal intervals along the circumferential direction of the vertical cylinder. The fixed plate is a circular plate, and the distance from the lower surface of the fixed plate 5 to the upper surface of the lower circular plate 4 is less than 10 cm; when the first, second, third and fourth pull ropes are tightened, the distance between the upper surface of the fourth sliding plate 5.4 and the lower surface of the upper circular plate 1.3 is less than 10 cm. The lower surfaces of the first, second, third and fourth shaped plates are frosted surfaces. The lower surface of the first strip-shaped plate is red, the lower surface of the second strip-shaped plate is green, the lower surface of the third strip-shaped plate is yellow, and the lower surface of the fourth strip-shaped plate is purple.
The filter bag has a multilayer structure, so that the filter bag has high temperature resistance, flame retardance and good corrosion resistance, and can be applied to a more severe working environment. And whether the filter bag body is damaged or not can be detected.
As shown in the figure, the airflow with the smoke flows from the outer side of the filter bag body to the inner side of the filter bag body, and the dust is blocked on the filter bag body. When the novel electric wrench is normally used, the motor is controlled to enable the first pull rope, the second pull rope, the third pull rope and the fourth pull rope to be in a tightened state, and theoretically, dust cannot be attached to the lower surfaces of the first pull rope, the second pull rope, the third pull rope and the fourth pull rope. After using a period of time, when needing to detect, the control motor for first, two, three, four shaped plates descend to the lower extreme, as shown in fig. 2, and gather the image through image acquisition device, send to the control room, whether maintainer judges whether damaged through observing the dust attached to the lower surface of first, two, three, four shaped plates. If no dust is attached, the filter bag is not broken. When dust adheres to the first, second, third and fourth strip plates, the damaged plate is positioned below the first strip plate; if dust is attached to the second, third and fourth strip-shaped plates, the damage is between the first and second strip-shaped plates; if dust is attached to the third and fourth strip-shaped plates, the damage is between the second and third strip-shaped plates; if dust is attached to only the fourth strip, the damage is shown between the third and fourth strips. The first, second, third and fourth shaped plates are arranged on the frosted surface to make dust more easily adhere. The different colors are provided to be more easily discernable by maintenance personnel.
While the invention has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the invention as defined in the following claims.
Claims (9)
1. The dedusting filter bag with the multilayer structure is characterized by comprising a mounting plate, a clamping plate, a cage frame, a lower circular plate and a filter bag body, wherein the mounting plate and the clamping plate are circular, the filter bag body is sleeved outside the cage frame, a bag opening of the filter bag body is clamped between the mounting plate and the clamping plate, the mounting plate and the clamping plate are fixed through bolts, the cage frame comprises a plurality of vertical rods which are parallel to each other and a plurality of circular units which are parallel to each other, each vertical rod is fixedly connected with all the circular units, and all the vertical rods are fixedly connected with the mounting plate; the filter bag body comprises a base cloth layer, a polyimide needled felt and a polytetrafluoroethylene three-dimensional needled felt; the mounting plate is connected with a circular plate through a plurality of first connecting brackets, the circular plate is connected with an upper circular plate through a plurality of second connecting brackets, the lower circular plate is fixedly connected with the bottom ends of all vertical rods, a vertical cylinder is fixed between the upper circular plate and the lower circular plate, a transparent fixing plate is fixed in the vertical cylinder, a guide rod with a regular octagonal cross section is fixedly connected between the upper circular plate and the fixing plate, a motor with two extending ends of a motor shaft is fixed at the upper circular plate, two winding devices are respectively arranged at two ends of the motor shaft, the guide rod penetrates through a first sliding plate, a second sliding plate, a third sliding plate and a fourth sliding plate, the first sliding plate, the second sliding plate, the third sliding plate and the fourth sliding plate are arranged from bottom to top, the first sliding plate, the second sliding plate, the third sliding plate and the fourth sliding plate are circular plates and are provided with regular octagonal through holes, and the first sliding plate is connected with, the second sliding plate is connected with two second strip-shaped plates which are positioned on the same straight line, the third sliding plate is connected with two third strip-shaped plates which are positioned on the same straight line, the fourth sliding plate is connected with two fourth strip-shaped plates which are positioned on the same straight line, the first strip-shaped plate and the second strip-shaped plate form a 45-degree angle, the second strip-shaped plate and the third strip-shaped plate form a 45-degree angle, the third strip-shaped plate and the fourth strip-shaped plate form a 45-degree angle, two first pull ropes are connected between the fixed plate and the first sliding plate, two second pull ropes are connected between the first sliding plate and the second sliding plate, two third pull ropes are connected between the second sliding plate and the third sliding plate, two fourth pull ropes are connected between the third sliding plate and the fourth sliding plate, and a fifth pull rope is connected between the fourth sliding plate and each; the vertical cylinder is provided with a first side hole, a second side hole, a third side hole and a fourth side hole, when the first pull rope, the second pull rope, the third pull rope and the fourth pull rope are in a straightening state, the first side hole is positioned between the fixed plate and the first sliding plate, the second side hole is positioned between the first sliding plate and the second sliding plate, the third side hole is positioned between the second sliding plate and the third sliding plate, and the fourth side hole is positioned between the third sliding plate and the fourth sliding plate; the lower circular plate is fixedly provided with an annular light source, an image acquisition device, a wireless communication unit and a controller, and the annular light source, the image acquisition device, the wireless communication unit and the motor are all connected with the controller.
2. The multi-layered dust filter bag according to claim 1, wherein the base fabric layer is an alkali-free glass fiber base fabric layer; the filter bag body also comprises a polytetrafluoroethylene membrane with micropores, wherein the polytetrafluoroethylene membrane is coated on the surface of the polytetrafluoroethylene three-dimensional needled felt.
3. The multi-layered dust filter bag according to claim 1, wherein a plurality of vertical rods are welded to the mounting plate, and each vertical rod is welded to all the circular ring-shaped units; the circular ring-shaped unit is a circular ring-shaped rod, and the cross section of the circular ring-shaped rod is circular.
4. The multi-layered dust filter bag according to claim 1, wherein the number of the vertical rods is more than 6; the mounting plate has a plurality of mounting holes.
5. The multi-layered dust filter bag according to claim 1, wherein the number of the first and second connection brackets is 4.
6. The multi-layered dust filter bag according to claim 1, wherein the first, second, third, fourth and fifth draw strings are not elastic; the lengths of the first pull rope, the second pull rope, the third pull rope and the fourth pull rope are all equal.
7. The multi-layered dust filter bag according to claim 1, wherein the first, second, third and fourth side holes are vertical strip-shaped through holes; the first side holes are multiple, are positioned at the same height and are distributed at equal intervals along the circumferential direction of the vertical cylinder; the second side holes are multiple, are positioned at the same height and are distributed at equal intervals along the circumferential direction of the vertical cylinder; the third side holes are arranged at the same height and are distributed at equal intervals along the circumferential direction of the vertical cylinder; the fourth side holes are provided with a plurality of holes, are positioned at the same height and are distributed at equal intervals along the circumferential direction of the vertical cylinder.
8. The multi-layered dust removing filter bag according to claim 1, wherein the fixing plate is a circular plate, and the distance from the lower surface of the fixing plate to the upper surface of the lower circular plate is less than 10 cm; when the first, second, third and fourth pull ropes are tightened, the distance from the upper surface of the fourth sliding plate to the lower surface of the upper circular plate is less than 10 cm.
9. The multi-layered dust filter bag according to claim 1, wherein the lower surfaces of the first, second, third and fourth shaped plates are frosted surfaces; the lower surface of the first strip-shaped plate is red, the lower surface of the second strip-shaped plate is green, the lower surface of the third strip-shaped plate is yellow, and the lower surface of the fourth strip-shaped plate is purple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811177724.8A CN109045863B (en) | 2018-10-10 | 2018-10-10 | Dust removal filter bag with multilayer structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811177724.8A CN109045863B (en) | 2018-10-10 | 2018-10-10 | Dust removal filter bag with multilayer structure |
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| CN109045863A CN109045863A (en) | 2018-12-21 |
| CN109045863B true CN109045863B (en) | 2020-10-02 |
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| CN201811177724.8A Active CN109045863B (en) | 2018-10-10 | 2018-10-10 | Dust removal filter bag with multilayer structure |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109550331A (en) * | 2018-12-25 | 2019-04-02 | 上海神舟汽车节能环保股份有限公司 | A kind of detection instrument and repair method of vehicle filtering device |
| CN111482010A (en) * | 2020-03-12 | 2020-08-04 | 江苏东方滤袋股份有限公司 | Wear-resistant dust removal filter bag |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4512789A (en) * | 1984-01-09 | 1985-04-23 | General Resource Corporation | Filter bag clamp |
| CN205062099U (en) * | 2015-09-21 | 2016-03-02 | 江苏丰鑫源工业用布有限公司 | Blast furnace gas dust bag of steel plant |
| CN107349705B (en) * | 2017-06-16 | 2018-06-12 | 江苏蓝天环保集团股份有限公司 | A kind of dedusting filtering bag easy for removal and installation |
| CN107158827B (en) * | 2017-06-16 | 2018-04-17 | 江苏蓝天环保集团股份有限公司 | A kind of dedusting filtering bag based on cage |
| CN107158834B (en) * | 2017-06-21 | 2018-04-17 | 江苏蓝天环保集团股份有限公司 | A kind of high intensity dedusting filtering bag cage |
| CN107149818B (en) * | 2017-06-22 | 2018-04-17 | 江苏蓝天环保集团股份有限公司 | A kind of bottom anti-sloshing dedusting filtering bag |
| CN108554030B (en) * | 2018-04-28 | 2020-06-09 | 江苏东方滤袋股份有限公司 | Self-cleaning formula dust removal filter bag skeleton |
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Denomination of invention: A multi-layer structure dust removal filter bag Granted publication date: 20201002 Pledgee: Funing sub branch of Bank of China Ltd. Pledgor: JIANGSU DINGSHENG FILTER BAG Co.,Ltd. Registration number: Y2024980017749 |