Bag type dust collector with falling filter bag intercepting device
By designing a shed filter bag interception device in a bag dust collector, the intercepting plate and pull rod structure are used to quickly restore the shed filter bag, which solves the problem of time-consuming and labor-intensive search after the filter bag falls off, and improves production efficiency and safety.
Patent Information
- Application Number
- CN202422440102.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-10-10
AI Technical Summary
When the existing bag dust collector falls off, workers need to enter the ash warehouse to find and recover, which is time-consuming and labor-intensive, affects production efficiency, and has a risk of high temperature and dust.
A structure is designed with a disengaged filter bag intercepting device, including a filter bag, an elastic snap ring, a flower plate, a filter hole, a tie rod and an intercepting plate. The disengaged filter bag is blocked by the intercepting plate, and reinstalled into the filter hole through the tie rod to avoid falling into dust.
The rapid recovery of filter bags is achieved, production efficiency is improved, workers' operating time in high-temperature and dusty environments is reduced, and the normal operation of the dust collector is ensured.
Smart Images
Figure CN223170550U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of bag dust collectors, in particular to a bag dust collector provided with a falling filter bag intercepting device. Background Art
[0002] Bag filters are widely used for flue gas purification in furnaces and kilns in the steel, nonferrous metallurgy, building materials, and chemical industries. They are dry dust filtration devices. Their structure primarily consists of an upper and lower housing, a silo at the bottom, a cleaning mechanism, and an ash discharge mechanism. The filter bags are typically secured using a built-in retaining ring that secures them to the circular holes in the upper housing's plate. A pressure plate then compresses the bag's open end. To prevent clogging of the filter bag's pores, material adhering to the bag must be regularly cleaned. This is accomplished by periodically inflating the bag with a pulse solenoid valve, causing the bag to repeatedly expand and contract, thereby shaking off any adhering material.
[0003] When the above operations are repeated continuously during the operation of the bag dust collector, there will always be dust filter bags that fall off from the matching holes of the flower plate during the expansion and contraction process, resulting in a short circuit in the flower plate, reducing the working efficiency of the dust collector, and the dust filter bags that fall into the ash bin will be buried by the materials and mixed with the dust materials. The filter bags need to be searched for in the ash bin. During this operation, workers need to endure the harsh environment of high temperature and high dust. The search is time-consuming and laborious. In addition, the entire set of continuously running production equipment has to be shut down due to the shutdown of the dust collector, which seriously affects the working efficiency of the entire production equipment. Therefore, a new technical solution needs to be designed to solve this problem. Utility Model Content
[0004] The purpose of the utility model is to overcome the shortcomings of the existing technology, meet the actual needs, and provide a bag dust collector provided with a falling filter bag interception device to solve the current technical problem that when the filter bag falls off, personnel need to search in the ash bin, which is time-consuming and labor-intensive.
[0005] In order to achieve the purpose of the present invention, the technical solution adopted by the present invention is as follows: a bag dust collector is designed with a device for intercepting falling filter bags, including a dust collector, the inner cavity of the dust collector is installed with a flower plate, a plurality of filter holes are provided on the flower plate, and elastic clamps are provided in the plurality of filter holes, the bottoms of the plurality of elastic clamps are fixedly connected with filter bags, and the inner sides of the plurality of filter bags are provided with support frames, a tube cover is provided at the top opening of the dust collector, through holes are provided on both sides of the surface of the tube cover, pull rods are slidably inserted in the two through holes, the two pull rods slide through the flower plate, and an interception plate is fixedly connected between the bottoms of the two pull rods, a plurality of perforations are provided on the interception plate, the plurality of perforations respectively correspond to the plurality of filter bags, and the interception plate is sleeved on the outside of the filter bag through the perforations.
[0006] Preferably, circular grooves are formed on the surfaces of both of the through holes, sealing covers are screwed in both of the circular grooves, and the two sealing covers are respectively rotatably connected to the two pull rods.
[0007] Preferably, an air inlet pipe communicates with the lower side of one end of the dust removal cylinder, an exhaust pipe communicates with the upper side of the end of the dust removal cylinder away from the air inlet pipe, the height of the connection between the exhaust pipe and the dust removal cylinder is higher than the height of the flower plate, a sealing gasket is fixedly connected to the outer side of the pull rod, and a plurality of discharge holes are formed in the intercepting plate.
[0008] Preferably, a polygonal groove is formed in the top of the sealing cover, and the polygonal groove is located in the middle of the surface of the sealing cover.
[0009] Preferably, the inner diameter of the perforation is adapted to the outer diameter of the filter bag, and the inner diameter of the perforation is smaller than the inner diameter of the elastic snap ring.
[0010] Preferably, the inner depth of the circular groove is adapted to the thickness of the sealing cover.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0012] 1. Through the combination of structures such as the filter bag, elastic snap ring, flower plate, filter holes, pull rods, intercepting plate and perforations, when the filter bag is separated from the flower plate, the elastic snap ring on the filter bag is blocked by the intercepting plate, and then the two pull rods are pulled to move upward, thereby driving the elastic snap ring on the filter bag to move upward, so as to cooperate with the intercepting plate to push the elastic snap ring upward and place it in the filter hole to install the filter bag, thereby preventing the filter bag from falling into the dust and being inconvenient for personnel to search, and then being able to quickly install the detached filter bag, thereby improving the recovery efficiency of the detached filter bag.
[0013] 2. Through the combination of structures such as the discharge holes, intercepting plate and sealing gasket, when the intercepting plate moves upward to recover the separation of the filter bag, the discharge holes can pass the dust falling on the surface of the filter bag through the intercepting plate, and the sealing gasket increases the sealing performance of the connection between the pull rod and the cylinder cover and the flower plate, thereby preventing air leakage during dust filtration and affecting the dust filtration effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a schematic diagram of the overall structure of the present utility model;
[0015] Figure 2 is a schematic diagram of the connection structure of the cylinder cover, intercepting plate and flower plate of the present utility model;
[0016] Figure 3 is a schematic diagram of the connection structure of the intercepting plate and the pull rod of the present utility model;
[0017] Figure 4 Schematic diagram of the cylinder cover structure of the present utility model.
[0018] In the figure: 1, dust removal cylinder; 11, air inlet pipe; 12, exhaust pipe; 2, cylinder cover; 21, circular groove; 22, through hole; 3, sealing cover; 31, pull rod; 32, polygonal groove; 33, intercepting plate; 34, discharge hole; 35, sealing gasket; 36, perforation; 4, perforated plate; 41, filter hole; 42, elastic snap ring. Specific embodiments
[0019] The present utility model will be further described below with reference to the accompanying drawings and embodiments:
[0020] Embodiment 1: A bag-type dust collector provided with a falling filter bag interception device, see Figures 1 to 4 , including a dust removal cylinder 1, an inner cavity of the dust removal cylinder 1 is provided with a perforated plate 4, a plurality of filter holes 41 are opened on the perforated plate 4, elastic snap rings 42 are arranged in a plurality of the filter holes 41, bottoms of the plurality of elastic snap rings 42 are fixedly connected with filter bags, and supports are arranged inside the plurality of filter bags. An opening at the top of the dust removal cylinder 1 is provided with a cylinder cover 2. Through holes 22 are opened on both sides of the surface of the cylinder cover 2. Pull rods 31 are slidably inserted into the two through holes 22. The two pull rods 31 both slidably penetrate through the perforated plate 4, and an intercepting plate 33 is fixedly connected between bottoms of the two pull rods 31. A plurality of perforations 36 are opened on the intercepting plate 33. The plurality of perforations 36 respectively correspond to the plurality of filter bags, and the intercepting plate 33 is sleeved outside the filter bags through the perforations 36. An inner diameter of the perforation 36 is adapted to an outer diameter of the filter bag, and the inner diameter of the perforation 36 is smaller than an inner diameter of the elastic snap ring 42. During operation, when the filter bag detaches from the perforated plate 4, the elastic snap ring 42 on the filter bag is blocked by the intercepting plate 33, and then the two pull rods 31 are pulled to move upward, so as to drive the elastic snap ring 42 on the filter bag to move upward, so as to cooperate with the intercepting plate 33 to push the elastic snap ring 42 upward into the filter hole 41 to install the filter bag, so as to avoid the filter bag falling into the dust and being inconvenient for personnel to search, and further be able to quickly install the fallen filter bag, and further improve the recovery efficiency of the detached filter bag.
[0021] Specifically, see [[ID=,18]] Figure 2 — Figure 4, circular grooves 21 are formed on the surfaces of both of the two through holes 22. Sealing covers 3 are threadedly connected in both of the two circular grooves 21. The two sealing covers 3 are respectively rotatably connected to two pull rods 31. The inner depth of the circular groove 21 is adapted to the thickness of the sealing cover 3. By threadedly connecting the sealing cover 3 in the circular groove 21, the pull rod 31 is limited, thereby improving the stability of the intercepting plate 33 in the filter cartridge. Moreover, the inner depth of the circular groove 21 is adapted to the thickness of the sealing cover 3, thereby ensuring the flatness of the surface of the cylinder cover 2, and further improving the aesthetics after the connection of the sealing cover 3.
[0022] Further, referring to Figure 1 and Figure 3 , an air inlet pipe 11 is communicated with the lower side of one end of the dust removal cylinder 1, and an exhaust pipe 12 is communicated with the upper side of the end of the dust removal cylinder 1 away from the air inlet pipe 11. The height of the connection between the exhaust pipe 12 and the dust removal cylinder 1 is higher than the height of the flower plate 4. A sealing gasket 35 is fixedly connected to the outer side of the pull rod 31. A plurality of discharge holes 34 are formed in the intercepting plate 33. When the intercepting plate 33 moves upward to detach and recover the filter bag, the dust falling on the surface of the filter bag can pass through the intercepting plate 33. And the sealing gasket 35 increases the sealing performance of the connection between the pull rod 31 and the cylinder cover 2 and the flower plate 4, thereby avoiding air leakage during dust filtration and affecting the dust filtration effect.
[0023] It should be noted that, referring to Figure 4 , a polygonal groove 32 is formed in the top of the sealing cover 3, and the polygonal groove 32 is located in the middle of the surface of the sealing cover 3. The polygonal groove 32 facilitates screwing the sealing cover 3 to disassemble and assemble the sealing cover 3.
[0024] In addition, the components designed in the present utility model are all common standard components or components known to those skilled in the art. Their structures and principles can all be known by those skilled in the art through technical manuals or obtained through conventional experimental methods. Those skilled in the art can fully implement them without further elaboration. The content protected by the present utility model does not involve improvements to the internal structure and method.
[0025] The embodiments disclosed in the present utility model are preferred embodiments, but are not limited thereto. Those of ordinary skill in the art can easily understand the spirit of the present utility model according to the above embodiments and make different extensions and changes. However, as long as they do not depart from the spirit of the present utility model, they are within the protection scope of the present utility model.
Claims
1. A bag filter provided with a shedding filter bag interception device, comprising a dust removal cylinder (1), characterized in that, A flower plate (4) is installed in the inner cavity of the dust removal cylinder (1). A plurality of filter holes (41) are formed in the flower plate (4). Elastic snap rings (42) are arranged in the plurality of filter holes (41). Filter bags are fixedly connected to the bottoms of the plurality of elastic snap rings (42). Support frames are arranged on the inner sides of the plurality of filter bags. A cylinder cover (2) is arranged at the top opening of the dust removal cylinder (1). Through holes (22) are formed in both sides of the surface of the cylinder cover (2). Pull rods (31) are slidably inserted into the two through holes (22). The two pull rods (31) slidably penetrate through the flower plate (4). An intercepting plate (33) is fixedly connected between the bottoms of the two pull rods (31). A plurality of through holes (36) are formed in the intercepting plate (33). The plurality of through holes (36) correspond to the plurality of filter bags respectively. The intercepting plate (33) is sleeved on the outer sides of the filter bags through the through holes (36).
2. The bag filter provided with a shedding filter bag interception device according to claim 1, characterized in that, Circular grooves (21) are formed in the surfaces of the two through holes (22). Sealing caps (3) are screwed in the two circular grooves (21). The two sealing caps (3) are rotatably connected to the two pull rods (31) respectively.
3. The bag filter provided with a shedding filter bag interception device according to claim 1, characterized in that, An air inlet pipe (11) is communicated with the lower side of one end of the dust removal cylinder (1). An exhaust pipe (12) is communicated with the upper side of the end of the dust removal cylinder (1) far away from the air inlet pipe (11). The height of the connection part of the exhaust pipe (12) and the dust removal cylinder (1) is higher than the height of the flower plate (4). Sealing gaskets (35) are fixedly connected to the outer sides of the pull rods (31). A plurality of discharge holes (34) are formed in the intercepting plate (33).
4. The bag filter provided with a shedding filter bag interception device according to claim 2, characterized in that, A polygonal groove (32) is formed in the top of the sealing cap (3). The polygonal groove (32) is located in the middle of the surface of the sealing cap (3).
5. The bag filter provided with a shedding filter bag interception device according to claim 1, characterized in that, The inner diameter of the inside of the through hole (36) is adapted to the outer diameter of the filter bag. The inner diameter of the inside of the through hole (36) is smaller than the inner diameter of the elastic snap ring (42).
6. The bag filter provided with a shedding filter bag interception device as described in claim 2, wherein, The inner depth of the circular groove (21) is adapted to the thickness of the sealing cap (3).