CN219050506U

CN219050506U - Double-layer filter bag

Info

Publication number: CN219050506U
Application number: CN202320030071.0U
Authority: CN
Inventors: 翟乐; 尚波; 陆游
Original assignee: Jiangsu Yidun Environmental Protection Technology Co ltd
Current assignee: Jiangsu Yidun Environmental Protection Technology Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-05-23
Anticipated expiration: 2033-01-06

Abstract

The utility model discloses a double-layer filter bag, which relates to the technical field of filter bags and comprises a frame body, wherein a first filter bag and a second filter bag are rotatably arranged on the outer wall of the bottom of the frame body through threads, the first filter bag is positioned in the second filter bag, the aperture of the second filter bag is larger than that of the first filter bag, a connecting groove penetrating through the frame body is formed in the outer wall of the top of the frame body, equidistant external threads are formed in the outer wall of the connecting groove, a mounting rod is arranged on the inner wall of the connecting groove, a mounting hole is formed in the outer wall of the mounting rod, and a control rod is rotatably arranged on the inner wall of the mounting hole. In the utility model, when the dust removing device is used, the air flow blows the fan blades to rotate so as to drive the control rod to rotate, so that the dust removing component connected with the control rod continuously rotates, and the dust removing component beats the second filter bag in the rotating process, so that dust is not easy to adhere to the second filter bag, and compared with the traditional device, the dust removing device can prevent the filter bag from being blocked due to more dust adhering to the filter bag in the working process, and the use is influenced.

Description

Double-layer filter bag

Technical Field

The utility model relates to the technical field of filter bags, in particular to a double-layer filter bag.

Background

The filter bag is a critical part of the operation of a bag house, in which a cylindrical filter bag is normally suspended vertically. The fabric and design of the filter bag should pursue the effects of high-efficiency filtration, easy dust stripping and durability as much as possible, however, the existing filter bag mainly uses a single-layer filter bag, the price is low, the use is convenient, and the filtering effect of the single-layer filter bag is poor.

Chinese patent (application No. 201820404854. X) proposes a "double-layer filter bag structure" which improves the filtering efficiency by adopting double-layer filtering, and meanwhile, the existence of a plurality of limit structures can conveniently disassemble the structure, and is easy to clean, however, when the gas is filtered, the filter bag is kept motionless, so that dust in the gas is attached to the filter bag to cause the filter bag to be blocked, and the filter bag is affected to perform filtering.

Disclosure of Invention

The utility model aims to provide a double-layer filter bag to solve the problems in the prior art.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a double-deck filter bag, includes the support body, support body bottom outer wall passes through the screw thread rotation and installs first filter bag and second filter bag, first filter bag is located the second filter bag is inside second filter bag aperture is greater than first filter bag aperture, support body top outer wall is provided with the spread groove that runs through the support body, the spread groove outer wall is provided with the external screw thread that the equidistance distributes, the spread groove inner wall is provided with the installation pole, the mounting hole has been seted up to the installation pole outer wall, the control lever is installed in the rotation of mounting hole inner wall, the control lever lets in inside the second filter bag, the control lever top is provided with the flabellum, flabellum and spread groove looks adaptation, the control lever outer wall is provided with dust removal subassembly, dust removal subassembly and second filter bag looks adaptation.

Preferably, the dust removal subassembly is including the equidistance welding in the expansion tank of control lever outer wall, expansion tank inner wall welding has the expansion spring, expansion spring end-to-end connection has the telescopic link, telescopic link and expansion tank inner wall sliding connection, the telescopic link end is provided with the dust removal piece, dust removal piece and second filter bag looks adaptation, the dust removal piece is the rubber material.

Preferably, the top of the first filter bag and the top of the second filter bag are respectively provided with a mounting ring, the mounting rings are respectively matched with the first filter bag and the second filter bag, the outer wall of the bottom of the frame body is provided with a mounting groove matched with the mounting rings, and the outer wall of the bottom of the frame body is provided with a sealing ring matched with the mounting rings.

Preferably, the outer wall of the bottom of the frame body is connected with a filter cartridge, the outer wall of the filter cartridge is provided with a filter screen, the aperture of the filter screen is smaller than that of the first filter bag and the second filter bag, the outer wall of the filter cartridge is rotationally provided with a collecting tank, and the collecting tank is rotationally connected with the bottom of the filter cartridge through threads.

Preferably, the connecting pins are welded on two sides of the outer wall of the top of the filter cartridge, the connecting holes are formed in two ends of the outer wall of the bottom of the frame body, the connecting holes are matched with the connecting pins, the inner wall of each connecting hole is provided with an anti-slip sleeve matched with the connecting holes, the outer walls of two sides of the frame body are respectively inserted with a fixing pin which is led into the connecting holes, and the connecting pins and the connecting holes are provided with holes matched with the fixing pins.

Preferably, the outer wall of the second filter bag is provided with supporting springs which are distributed equidistantly, and the tail ends of the supporting springs are in contact with but are not connected with the first filter bag.

In the utility model, when gas is filtered, the air flow blows the fan blade to rotate so as to drive the control rod to rotate, and then the dust removing component connected with the control rod continuously rotates, and the dust removing component beats the second filter bag in the rotating process, so that dust is not easy to adhere to the second filter bag.

According to the utility model, when the control rod rotates, the dust removing block rotates along with the control rod to flap the second filter bag, the telescopic spring is convenient for the dust removing block to contract, the dust removing block can adapt to dust removing work of the second filter bag in different states, when the dust removing block collides with the second filter bag, the supporting spring deforms, the first filter bag deforms under the action of elasticity of the supporting spring, and therefore dust is prevented from adhering to the first filter bag to cause the first filter bag to be blocked.

Drawings

FIG. 1 is a schematic view of the appearance of a main body of the present utility model;

FIG. 2 is a schematic view of a filter cartridge according to the present utility model;

FIG. 3 is a schematic view of a dust removing assembly according to the present utility model;

fig. 4 is a schematic view of a frame structure of the present utility model.

In the figure: 1. a frame body; 2. a first filter bag; 3. a second filter bag; 4. a connecting groove; 5. a mounting rod; 6. a control lever; 7. a fan blade; 8. a telescopic slot; 9. a telescopic spring; 10. a telescopic rod; 11. a dust removal block; 12. a mounting ring; 13. a mounting groove; 14. a filter cartridge; 15. a filter screen; 16. a collection tank; 17. a connecting pin; 18. a connection hole; 19. an anti-skid sleeve; 20. a fixing pin; 21. a seal ring; 22. and a support spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to a double-layer filter bag shown in figures 1-4, comprising a frame body 1, a first filter bag 2 and a second filter bag 3 are installed on the outer wall of the bottom of the frame body 1 through threaded rotation, the aperture of the second filter bag 3 inside the first filter bag 2 is larger than that of the first filter bag 2, a connecting groove 4 penetrating through the frame body 1 is arranged on the outer wall of the top of the frame body 1, equidistant external threads are arranged on the outer wall of the connecting groove 4, a mounting rod 5 is arranged on the inner wall of the connecting groove 4, a mounting hole is formed in the outer wall of the mounting rod 5, a control rod 6 is installed on the inner wall of the mounting hole in a rotating mode, the control rod 6 is led into the second filter bag 3, a fan blade 7 is arranged on the top of the control rod 6, the fan blade 7 is matched with the connecting groove 4, a dust removing component is arranged on the outer wall of the control rod 6, and the dust removing component is matched with the second filter bag 3.

By the above structure: during the use, be connected the device with the position of admitting air through spread groove 4 that support body 1 top set up for need filterable air current filters in passing through spread groove 4 entering device, during the filtration, second filter bag 3 filters gas with first filter bag 2 in proper order, dust impurity filtering in the gas, during the gas filtration, the air current blows flabellum 7 rotation and drives control lever 6 rotation and then make the dust removal subassembly that is connected with control lever 6 constantly rotate, dust removal subassembly is patted second filter bag 3 in the rotation in-process, make the dust be difficult for attaching on second filter bag 3, compare in traditional device, prevent that the filter bag is more to lead to the jam at the in-process attached dust, influence the use.

As shown in fig. 3, the dust removing assembly comprises a telescopic groove 8 welded on the outer wall of the control rod 6 at equal intervals, a telescopic spring 9 is welded on the inner wall of the telescopic groove 8, a telescopic rod 10 is connected at the tail end of the telescopic spring 9, the telescopic rod 10 is slidably connected with the inner wall of the telescopic groove 8, a dust removing block 11 is arranged at the tail end of the telescopic rod 10, the dust removing block 11 is matched with the second filter bag 3, the dust removing block 11 is made of rubber, when the control rod 6 rotates, the dust removing block 11 rotates along with the control rod 6 to flap the second filter bag 3, the telescopic spring 9 is convenient for the dust removing block 11 to shrink, and the dust removing assembly can adapt to the second filter bag 3 in different states.

As shown in fig. 4, the top of the first filter bag 2 and the top of the second filter bag 3 are respectively provided with a mounting ring 12, the mounting rings 12 are respectively matched with the first filter bag 2 and the second filter bag 3, the outer wall of the bottom of the frame body 1 is provided with a mounting groove 13 matched with the mounting rings 12, the outer wall of the bottom of the frame body 1 is provided with a sealing ring 21 matched with the mounting ring, the mounting rings 12 are rotationally connected with the mounting groove 13 through threads, the first filter bag 2 and the second filter bag 3 are convenient to detach and clean, the use is more convenient, the sealing ring 21 improves the tightness of the device, and gas leakage is prevented.

As shown in fig. 1, the outer wall of the bottom of the frame body 1 is connected with a filter cartridge 14, the outer wall of the filter cartridge 14 is provided with a filter screen 15, the aperture of the filter screen 15 is smaller than that of the first filter bag 2 and the aperture of the second filter bag 3, a collecting tank 16 is rotatably arranged on the outer wall of the filter cartridge 14, the collecting tank 16 is rotatably connected with the bottom of the filter cartridge 14 through threads, and gas is filtered through the first filter bag 2 and the second filter bag 3 and then filtered through the filter screen 15, and as the aperture of the filter screen 15 is smaller than that of the first filter bag 2 and the second filter bag 3, the filter screen 15 can filter unfiltered dust and impurities of the first filter bag 2 and the second filter bag 3, so that the gas is cleaner.

As shown in fig. 4, the two sides of the outer wall of the top of the filter cartridge 14 are welded with connecting pins 17, the two ends of the outer wall of the bottom of the frame body 1 are provided with connecting holes 18, the connecting holes 18 are matched with the connecting pins 17, the inner wall of the connecting holes 18 is provided with anti-slip sleeves 19 matched with the connecting holes 18, the outer walls of the two sides of the frame body 1 are respectively inserted with fixing pins 20 which are led into the connecting holes 18, the connecting pins 17 and the connecting holes 18 are provided with holes matched with the fixing pins 20, the filter cartridge 14 can be connected with the frame body 1 through the insertion of the connecting pins 17 and the connecting holes 18, the frame body 1 is connected with the filter cartridge 14 more conveniently, and the filter cartridge 14 is convenient to detach and clean.

As shown in fig. 2, the outer wall of the second filter bag 3 is provided with supporting springs 22 distributed equidistantly, the tail ends of the supporting springs 22 are in contact with but not connected with the first filter bag 2, the supporting springs 22 are in contact with the first filter bag, when the dust removing block 11 collides with the second filter bag 3, the supporting springs 22 deform, the first filter bag 2 deforms under the action of elasticity, and dust is prevented from adhering to the first filter bag 2 to cause the first filter bag 2 to be blocked.

The working principle of the utility model is as follows: during the use, the spread groove 4 that sets up through support body 1 top is connected the device with the position of admitting air, make the air current that needs to filter through spread groove 4 entering device in filter, during the filtration, second filter bag 3 filters gas in proper order with first filter bag 2, dust impurity filtering in the gas, when the air current gets into spread groove 4, the air current blows flabellum 7 rotation drive control lever 6 rotation and then make the dust collection subassembly that is connected with control lever 6 constantly rotate, dust collection subassembly is in rotating the in-process and is patted second filter bag 3, make the dust be difficult for attaching on second filter bag 3, when dust removal piece 11 bumps with second filter bag 3, supporting spring 22 takes place deformation, make first filter bag 2 take place deformation under its elastic force, and then prevent that the dust from attaching and lead to first filter bag 2 to block up in first filter bag 2, compare in traditional device, prevent that the filter bag from attaching the dust in the course of working and more leading to block up, the gas is through first filter bag 2, second filter bag 3 filters the back, rethread 15 filters, because the filter bag aperture 15 is less than first filter bag aperture 2, second filter bag 3 is more convenient for the filter bag 1 is connected with the filter cartridge 1 with the second filter bag 3, the filter cylinder is more clean with the filter cylinder 1, the filter cylinder is convenient for the filter hole is connected with the second filter bag 1, the filter bag is more convenient for the filter bag is connected with the filter bag 1.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a double-deck filter bag, includes support body (1), its characterized in that: the utility model discloses a dust removal device, including support body (1), filter bag, control rod (6), fan blade (7), connecting groove (4) outer wall is provided with the external screw thread that the equidistance distributes, connecting groove (4) inner wall is provided with installation pole (5), the mounting hole has been seted up to installation pole (5) outer wall, control rod (6) are installed in the rotation of mounting hole inner wall, control rod (6) lets in inside second filter bag (3), control rod (6) top is provided with fan blade (7), fan blade (7) and connecting groove (4) looks adaptation, control rod (6) outer wall is provided with dust removal subassembly, dust removal subassembly and second filter bag (3) looks adaptation.

2. A double layer filter bag as claimed in claim 1, wherein: the dust removal assembly comprises a telescopic groove (8) welded on the outer wall of the control rod (6) at equal intervals, a telescopic spring (9) is welded on the inner wall of the telescopic groove (8), a telescopic rod (10) is connected with the tail end of the telescopic spring (9), the telescopic rod (10) is slidably connected with the inner wall of the telescopic groove (8), a dust removal block (11) is arranged at the tail end of the telescopic rod (10), the dust removal block (11) is matched with the second filter bag (3), and the dust removal block (11) is made of rubber.

3. A double layer filter bag as claimed in claim 1, wherein: the novel filter bag comprises a frame body (1), and is characterized in that mounting rings (12) are arranged at the tops of the first filter bag (2) and the second filter bag (3), the mounting rings (12) are respectively matched with the first filter bag (2) and the second filter bag (3), mounting grooves (13) matched with the mounting rings (12) are formed in the outer wall of the bottom of the frame body (1), and sealing rings (21) matched with the mounting rings are arranged in the outer wall of the bottom of the frame body (1).

4. A double layer filter bag as claimed in claim 1, wherein: the filter is characterized in that a filter cartridge (14) is connected to the outer wall of the bottom of the frame body (1), a filter screen (15) is arranged on the outer wall of the filter cartridge (14), the aperture of the filter screen (15) is smaller than that of the first filter bag (2) and the second filter bag (3), a collecting tank (16) is rotatably arranged on the outer wall of the filter cartridge (14), and the collecting tank (16) is rotatably connected with the bottom of the filter cartridge (14) through threads.

5. The double-layer filter bag of claim 4, wherein: connecting pins (17) are welded on two sides of the outer wall of the top of the filter cylinder (14), connecting holes (18) are formed in two ends of the outer wall of the bottom of the frame body (1), the connecting holes (18) are matched with the connecting pins (17), anti-slip sleeves (19) matched with the connecting holes are arranged on the inner wall of the connecting holes (18), fixing pins (20) which are led into the connecting holes (18) are inserted into the outer walls of two sides of the frame body (1), and holes matched with the fixing pins (20) are formed in the connecting pins (17) and the connecting holes (18).

6. A double layer filter bag as claimed in claim 1, wherein: the outer wall of the second filter bag (3) is provided with supporting springs (22) which are distributed equidistantly, and the tail ends of the supporting springs (22) are in contact with the first filter bag (2) but are not connected.