CN117065466A - Pulse bag dust collector and dusty gas utilization device - Google Patents
Pulse bag dust collector and dusty gas utilization device Download PDFInfo
- Publication number
- CN117065466A CN117065466A CN202311289549.2A CN202311289549A CN117065466A CN 117065466 A CN117065466 A CN 117065466A CN 202311289549 A CN202311289549 A CN 202311289549A CN 117065466 A CN117065466 A CN 117065466A
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- Prior art keywords
- dust
- filter bag
- sealing ring
- dust collector
- pulse
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
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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
-
- 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
- B01D46/06—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material with means keeping the working surfaces flat
-
- 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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- 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
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
本发明的实施例提供了一种脉冲袋式除尘器和含尘气体利用装置，其中脉冲袋式除尘器包括除尘箱和滤袋，除尘箱内设置有将除尘箱分为上腔室和下腔室的支撑分隔板；下腔室内设置有进气口，滤袋位于下腔室内，滤袋的出气口位于支撑分隔板上或位于上腔室内；下腔室内壁上固定有密封环，密封环位于滤袋和进气口下方，密封环中部设置有活动板，活动板与密封环通过弹性件连接，活动板和滤袋之间通过连接件连接，密封环下方设置有集尘仓；上腔室内设置有出气口和输气管，输气管上设置有脉冲组件和喷气头，喷气头伸入滤袋的内部。通过密封环和活动板的配合减少了粉尘二次吸附在滤袋上，进而提升了除尘效果。
Embodiments of the present invention provide a pulse bag dust collector and a dust-containing gas utilization device. The pulse bag dust collector includes a dust box and a filter bag. The dust box is divided into an upper chamber and a lower chamber. The support partition plate of the chamber; the lower chamber is provided with an air inlet, the filter bag is located in the lower chamber, and the air outlet of the filter bag is located on the support partition plate or in the upper chamber; a sealing ring is fixed on the inner wall of the lower chamber. The sealing ring is located below the filter bag and the air inlet. There is a movable plate in the middle of the sealing ring. The movable plate and the sealing ring are connected through elastic parts. The movable plate and the filter bag are connected through connectors. There is a dust collection bin under the sealing ring; The upper chamber is provided with an air outlet and a gas pipe. The gas pipe is provided with a pulse assembly and a jet head, and the jet head extends into the interior of the filter bag. Through the cooperation of the sealing ring and the movable plate, the secondary adsorption of dust on the filter bag is reduced, thereby improving the dust removal effect.
Description
Technical Field
The application relates to the technical field of gas dust removal, in particular to a pulse bag type dust collector and a dust-containing gas utilization device.
Background
A pulse bag-type dust collector is characterized in that dust is adsorbed on a bag through pulse equipment, the bag is sprayed into the bag through high-speed airflow, the bag is expanded instantaneously, so that the dust collected on the bag is shaken off, and finally the dust is collected through a collecting device at the bottom.
Patent publication number CN217773557U discloses a pulse cloth bag dust collector, relates to sack cleaner technical field. The pulse cloth bag type dust collector dust collecting device comprises a dust collecting box, a pulse dust collecting assembly and a dust collecting box, wherein the pulse dust collecting assembly is fixedly arranged on the upper surface of the dust collecting box, and the dust collecting box is fixedly connected with the bottom end of the dust collecting box. This pulse cloth bag collector dust collector sets up the baffle that corresponds with the dust removal sack in prior art's dust collection box, avoid linking together between each bin and influence the dust removal effect, still be provided with in addition and can adhere the dust, thereby avoid the dust to vacate again the wet piece of water spray under the suction effect, adsorb the dust with atomizing vapor, still be provided with the water absorption baffle that prevents a large amount of vapor from influencing the dust removal sack work, on the one hand the moist water absorption baffle of water absorption can prevent that a large amount of vapor from getting into the dust removal case, on the other hand moist water absorption baffle can have better fixed effect to the dust that drops.
In the prior art, the dust is blocked by the water absorption partition plate, the dust is adsorbed by atomized water vapor, the fixing effect of the partition plate on the dust is increased, and therefore the collecting effect of the dust collection box on the dust is increased, but when the dust is shaken off by the cloth bag, particles of the dust are small and can suspend in the dust collection box, so that the dust is easily secondarily adsorbed on the cloth bag, and the dust collection effect is reduced.
Disclosure of Invention
The present application has an object to provide, for example, a pulse bag type dust collector and a dust-containing gas utilization apparatus capable of reducing re-adsorption of dust shaken off from a filter bag to the filter bag and reducing dust removing effect.
Embodiments of the application may be implemented as follows:
in a first aspect, the application provides a pulse bag type dust collector, comprising a dust collection box and a filter bag, wherein a supporting partition plate for dividing the dust collection box into an upper chamber and a lower chamber is arranged in the dust collection box;
an air inlet is formed in the lower chamber, the filter bag is positioned in the lower chamber, and an air outlet of the filter bag is positioned on the supporting partition plate or in the upper chamber; the inner wall of the lower chamber is fixedly provided with a sealing ring, the sealing ring is positioned below the filter bag and the air inlet, the middle part of the sealing ring is provided with a movable plate, the movable plate is connected with the sealing ring through an elastic piece, the movable plate is connected with the filter bag through a connecting piece, and a dust collection bin is arranged below the sealing ring;
the upper chamber is internally provided with an air outlet and an air delivery pipe, the air delivery pipe is provided with a pulse assembly and a jet head, and the jet head stretches into the filter bag.
In an alternative embodiment, a spray head is arranged in the dust collection bin.
In an alternative embodiment, the spray head is provided with more than two spray heads along the sealing ring, and the spray head is arranged towards the middle part of the dust collection bin.
In an alternative embodiment, the dust collection bin below the spray head is in an inverted cone shape, and a collection box is arranged at the bottom of the dust collection bin.
In an alternative embodiment, the movable plate is a flexible plate.
In an alternative embodiment, the jet head extends into the middle of the filter bag; and/or the connecting piece is an inelastic connecting piece.
In an alternative embodiment, the support partition plate is provided with a mounting hole, the mounting hole is provided with a support frame, the filter bag is sleeved on the support frame, and the distance between the bottom end of the support frame and the support partition plate is smaller than the minimum distance between the bottom end of the filter bag and the support partition plate.
In an alternative embodiment, a mounting groove is formed in the inner side end face of the sealing ring, one end of the elastic piece is connected in the mounting groove, and the other end of the elastic piece is connected to the movable plate.
In an alternative embodiment, the mounting grooves are sequentially formed in more than two along the inner side end face of the sealing ring, and each mounting groove is correspondingly provided with an elastic piece.
In a second aspect, the present application provides a dust-laden gas utilization device, including a pulse bag collector according to any one of the foregoing embodiments, wherein an air inlet of the pulse bag collector is connected to a gas generating device, and an air outlet of the pulse bag collector is connected to the gas utilization device.
The beneficial effects of the embodiment of the application include, for example:
the pulse assembly sprays compressed gas into the filter bag to enable the filter bag to be expanded instantly to deform, dust on the surface of the filter bag can be shaken off, the bottom end of the filter bag can move upwards when the filter bag expands, the movable plate is driven by the connecting piece to overcome the tensile force of the elastic piece to enable the movable plate to move upwards, when the movable plate is pulled up instantly, the inner space of the dust collection bin is expanded instantly to be required to absorb more gas outside to be filled, so that suction force is generated, dust shaken off on the filter bag rapidly enters the dust collection box under the dual action of gravity and suction force, then the movable plate is reset along with the end of expansion of the filter bag, the space where the dust collection box and the filter bag are located is separated, secondary absorption of dust on the filter bag is reduced, and then the dust collection effect is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present application;
FIG. 2 is a schematic cross-sectional view of the present application;
fig. 3 is a schematic view of a longitudinal sectional structure of the present application.
Icon: 1-a dust removal box; a 2-pulse assembly; 3-a gas pipe; 4-jet head; 5-supporting the partition plate; 6-supporting frames; 7-filtering bags; 8-a sealing ring; 9-mounting grooves; 10-an elastic member; 11-a spray head; 12-collecting box; 13-a dust collection frame; 14-connecting piece; 15-movable plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present application and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
It should be noted that the features of the embodiments of the present application may be combined with each other without conflict.
Referring to fig. 1 to 3, the present embodiment provides a pulse bag type dust collector, which includes a dust box 1 and a filter bag 7, wherein a supporting partition plate 5 dividing the dust box 1 into an upper chamber and a lower chamber is disposed in the dust box 1;
an air inlet is formed in the lower chamber, the filter bag 7 is positioned in the lower chamber, and an air outlet of the filter bag 7 is positioned on the supporting partition plate 5 or in the upper chamber; the inner wall of the lower chamber is fixedly provided with a sealing ring 8, the sealing ring 8 is positioned below the filter bag 7 and the air inlet, the middle part of the sealing ring 8 is provided with a movable plate 15, the movable plate 15 is connected with the sealing ring 8 through an elastic piece 10, the movable plate 15 is connected with the filter bag 7 through a connecting piece 14, and a dust collection bin is arranged below the sealing ring 8;
an air outlet and an air pipe 3 are arranged in the upper cavity, a pulse assembly 2 and a jet head 4 are arranged on the air pipe 3, and the jet head 4 stretches into the filter bag 7.
The pulse bag type dust collector in the embodiment is characterized in that a movable plate 15 and a dust collection bin are connected below a filter bag 7, gas enters a lower cavity from an air inlet in working, passes through the filter bag 7 and leaves from an air outlet, and dust in the gas is adsorbed on the outer surface of the filter bag 7; in addition, pulse subassembly 2 can reach under the preset condition blowout compressed gas, make filter bag 7 expand in the twinkling of an eye and produce deformation, on the one hand can shake the dust on filter bag 7 surface off, on the other hand, the bottom can upwards move when filter bag 7 expands, and drive fly leaf 15 through connecting piece 14 and overcome the pulling force of elastic component 10 to fly leaf 15 and make fly leaf 15 upwards move, when fly leaf 15 is pulled up in the twinkling of an eye, the interior space of dust collection bin expands in the twinkling of an eye needs to absorb outside more gas and packs, thereby produce the suction, make the dust that shakes off on filter bag 7 get into the dust collection box rapidly under the dual effect of gravity and suction, then along with the expansion of filter bag 7 is ended, fly leaf 15 resets, dust collection box and filter bag 7 place space separation, the dust secondary absorption has been reduced on filter bag 7, and then the dust removal effect has been promoted.
The supporting partition plate 5 in this embodiment is used for separating the upper and lower chambers on one hand, so that gas can only enter the upper chamber after being filtered by the filter bag 7, and on the other hand, plays a supporting role on the filter bag 7, thereby facilitating the installation of the filter bag 7. The outer edge of the sealing ring 8 in this embodiment is fixed on the inner wall of the lower chamber, the inner edge is connected with the movable plate 15, and before the pulse assembly 2 ejects compressed air, the space where the dust collecting bin and the filter bag 7 are preferably completely separated, but in actual production, a gap is inevitably formed between the sealing ring 8 and the movable plate 15, and if the gap is smaller, the effect on dust removing is not great.
In the application, a pulse assembly 2 is fixedly arranged in a dust removal box 1, a gas pipe 3 is fixedly arranged on the side wall of the pulse assembly 2, a jet head 4 is fixedly arranged on the side wall of the gas pipe 3, and one end of the jet head 4 extends into a filter bag 7. Specifically, the pulse assembly 2 installed in the box body provides compressed air for the air delivery pipe 3, the air jet head 4 arranged on the air delivery pipe 3 extends into the filter bag 7, so that the compressed air is accurately sprayed into the filter bag 7 through the air jet head 4, the filter bag 7 is instantaneously expanded, and dust accumulated on the filter bag 7 is shaken off.
In an alternative embodiment, a spray head 11 is arranged in the dust collection bin.
Specifically, the spray nozzle 11 sprays water to adsorb dust and water mist falling into the dust collection bin, the weight of the dust is increased, the dust falls into the collection box 12, when the movable plate 15 is reset, the volume of the dust collection bin is reduced after being enlarged, and the discharged air flow can not blow the dust entering into the collection box 12 when the dust collection bin is reduced, so that the dust is collected. Typically, the spray head 11 may be selected as the atomizing spray head 11 in order to allow more sufficient binding of dust with water.
In an alternative embodiment, the spray heads 11 are arranged along the sealing ring 8 in two or more ways, and the spray heads 11 are arranged towards the middle of the dust collection bin.
The shower nozzle 11 in this embodiment sets up along sealing ring 8, and towards dust collection bin middle part for all pass through shower nozzle 11 spun cascade or water smoke district from the dust that gets into between fly leaf 15 and the sealing ring 8, it is better to the humidification effect of dust. Meanwhile, the sealing ring 8 is positioned above the spray head 11, so that dust can be prevented from directly falling on the spray head 11 when entering the dust collection bin from between the movable plate 15 and the sealing ring 8, and the influence of the dust on the spray head 11 is reduced.
In an alternative embodiment, the dust collection bin below the spray head 11 is in an inverted cone shape, and a collection box 12 is arranged at the bottom of the dust collection bin.
Specifically, a dust collecting frame 13 may be disposed below the nozzle 11, the dust collecting bin is located in the middle of the dust collecting frame 13, and the collecting box 12 may be movably mounted at the bottom of the dust collecting bin, for example, a structure similar to a drawer is adopted.
In an alternative embodiment, the movable plate 15 is a flexible plate, the flexible plate may be galvanized iron sheet, etc., the flexible plate needs to be capable of generating a certain deformation, when the flexible plate is pulled by the connecting piece 14, the flexible plate connected with the connecting piece 14 receives an upward force, the flexible plate connected with the elastic piece 10 receives a downward force, the interaction of the two forces can enable the movable plate 15 to be similar to an inverted cone, and the movable plate 15 gradually inclines downwards from the position connected with the connecting piece 14 to the position connected with the elastic piece 10, so that the dust falling off from the filter bag 7 is facilitated to gradually move from the flexible plate to the edge of the flexible plate, and the dust can be more thoroughly transferred into the dust collection bin by matching with the suction force of the dust collection bin; meanwhile, the soft board needs to have certain hardness, so that the edge of the soft board between two adjacent elastic pieces 10 is prevented from falling down when gravity or suction force of the dust collection bin is received, and dust in the dust collection bin escapes from a gap between the soft board and the sealing ring 8.
In some embodiments, the connector 14 is attached to the middle of the flexible board and the elastic member 10 is attached to the edge of the flexible board.
In some embodiments, the sealing ring 8 may also be inclined gradually downwards in a direction approaching the axis, reducing the accumulation of dust on the sealing ring 8.
In an alternative embodiment, the jet head 4 protrudes into the middle of the filter bag 7; and/or the connector 14 is an inelastic connector 14.
The nozzle 11 stretches into the middle of the filter bag 7 as far as possible, so that the condition that the filter bag 7 is not fully expanded due to the fact that the nozzle 11 is arranged too high in position can be avoided, gas escapes from the outlet of the filter bag 7, but the nozzle 11 is arranged in the middle of the filter bag 7 due to the fact that the bottom moves upwards when the filter bag 7 expands.
If the connecting piece 14 is elastic, the filter bag 7 needs to overcome the elasticity of the connecting piece 14 and then drive the movable plate 15 to slowly move upwards when the connecting piece 14 is elastic, so that the pressure in the dust collection bin is not suddenly reduced, and the suction force to dust is small.
In an alternative embodiment, the supporting partition plate 5 is provided with a mounting hole, the mounting hole is provided with a supporting frame 6, the filter bag 7 is sleeved on the supporting frame 6, and the distance between the bottom end of the supporting frame 6 and the supporting partition plate 5 is smaller than the minimum distance between the bottom end of the filter bag 7 and the supporting partition plate 5.
The filter bag 7 can be clamped with the supporting separation plate 5 installed in the box body, so that the filter bag 7 is fixed on the supporting separation plate 5, the supporting frame 6 is positioned inside the filter bag 7 and provides support for the filter bag 7, and the influence on the filtering effect caused by the fact that the inner walls of the filter bag 7 are attached together is avoided.
It should be noted that, the support frame 6 in this embodiment may be cylindrical and provided with a through hole for gas to pass through on a side wall of the cylindrical shape, specifically may be a net cylinder, or may be a cylindrical structure composed of an upper ring, a lower ring and a vertical rod connected between the two rings, so long as the support for the filter bag 7 can be achieved. The top of the supporting frame 6 may be provided with a fixing structure to fix the supporting frame 6 on the supporting partition plate 5, and a specific fixing structure can be selected by a person skilled in the art according to needs, which is not described herein. However, since the bottom of the filter bag 7 moves upward after expansion in the present application, the support frame 6 should not be too long so as not to interfere with the expansion of the filter bag 7.
In an alternative embodiment, a mounting groove 9 is formed on the inner side end surface of the sealing ring 8, and one end of the elastic member 10 is connected in the mounting groove 9, and the other end is connected to the movable plate 15.
In this embodiment, the installation groove 9 for accommodating the elastic member 10 is provided, so that the distance between the sealing ring 8 and the movable plate 15 can be reduced, and the space where the filter bag 7 is located and the dust collection bin can be better separated. Specifically, the elastic element 10 installed in the installation groove 9 is connected with the movable plate 15, so that when the movable plate 15 is pulled by the connecting element 14, the elastic element 10 is stressed to deform, and when the connecting element 14 cannot provide tension, the elastic element 10 provides tension for the movable plate 15, so that the movable plate 15 is pulled downwards, the movable plate 15 is reset, and the space where the filter bag 7 is located and the dust collection bin are separated.
In an alternative embodiment, the mounting grooves 9 are sequentially provided with more than two mounting grooves along the inner side end surface of the sealing ring 8, each mounting groove 9 is correspondingly provided with an elastic piece 10, and the elastic pieces 10 uniformly distributed around the movable plate 15 can enable the movable plate 15 to be uniformly stressed, so that the distances between the periphery of the movable plate 15 and the sealing ring 8 are relatively balanced when the movable plate 15 moves upwards, and dust at the position where the distance is too small due to the fact that the distance on one side is too large and the distance on the other side is too small is avoided from being completely sucked into the dust collection bin.
Another embodiment of the present application provides a dust-containing gas utilization device, including a pulse bag filter according to any one of the foregoing embodiments, wherein an air inlet of the pulse bag filter is connected to a gas generating device, and an air outlet of the pulse bag filter is connected to the gas utilization device.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present application should be included in the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311289549.2A CN117065466B (en) | 2023-10-08 | 2023-10-08 | Pulse bag dust collector and dust-laden gas utilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311289549.2A CN117065466B (en) | 2023-10-08 | 2023-10-08 | Pulse bag dust collector and dust-laden gas utilization device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117065466A true CN117065466A (en) | 2023-11-17 |
| CN117065466B CN117065466B (en) | 2025-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311289549.2A Active CN117065466B (en) | 2023-10-08 | 2023-10-08 | Pulse bag dust collector and dust-laden gas utilization device |
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| Country | Link |
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| CN (1) | CN117065466B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3187086A1 (en) * | 2015-12-18 | 2017-07-05 | BSH Hausgeräte GmbH | Filter bag for a vacuum cleaner |
| CN208553600U (en) * | 2018-07-24 | 2019-03-01 | 铜陵有色建安钢构有限责任公司 | A kind of shot-blasting machine Special dedusting device |
| CN209900889U (en) * | 2019-01-25 | 2020-01-07 | 嘉兴市顺风农牧业有限公司 | Pulse bag-type dust collector |
| CN210543841U (en) * | 2019-04-02 | 2020-05-19 | 金华华东环保设备有限公司 | A bag filter for easy cleaning |
-
2023
- 2023-10-08 CN CN202311289549.2A patent/CN117065466B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3187086A1 (en) * | 2015-12-18 | 2017-07-05 | BSH Hausgeräte GmbH | Filter bag for a vacuum cleaner |
| CN208553600U (en) * | 2018-07-24 | 2019-03-01 | 铜陵有色建安钢构有限责任公司 | A kind of shot-blasting machine Special dedusting device |
| CN209900889U (en) * | 2019-01-25 | 2020-01-07 | 嘉兴市顺风农牧业有限公司 | Pulse bag-type dust collector |
| CN210543841U (en) * | 2019-04-02 | 2020-05-19 | 金华华东环保设备有限公司 | A bag filter for easy cleaning |
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| Publication number | Publication date |
|---|---|
| CN117065466B (en) | 2025-10-28 |
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