Industrial dust multi-stage circulating filtering device

Abstract

The utility model discloses a kind of industrial dust multistage circulation filtering devices, it is related to circulation filtering device technical field, the industrial dust multistage circulation filtering device includes mounting frame body, and the mounting frame body upper end is connected with primary filter mechanism and secondary filter mechanism respectively;The primary filter mechanism and secondary filter mechanism are connected;The utility model, through the multistage filtration of suction port primary filter screen, filter bag, secondary cyclone separation tank and activated carbon filter plate, different particle size dust and harmful gas can be effectively filtered, and filtering efficiency is high, satisfy strict environmental protection requirement;Dust falls into dust collection box through the dust discharge pipe of primary dust collection tank lower end and the cyclone dust discharge cone pipe of secondary cyclone separation tank lower end, and collection tank is reasonably designed, not easy to block, reduce cleaning frequency, reduce maintenance cost.

Description

Technical Field

[0001] This utility model specifically relates to the field of circulating filtration device technology, and more specifically to an industrial dust multi-stage circulating filtration device. Background Technology

[0002] Industrial production processes, such as machining, chemical manufacturing, and building materials production, generate large amounts of dust. If this dust is directly released into the air, it will not only pollute the production environment and affect the health of workers, but may also cause safety hazards such as dust explosions, and it does not meet environmental emission standards.

[0003] Traditional dust filtration devices have many shortcomings. Some simple filtration devices use only a single filtration method, such as using only a filter screen, which is ineffective at filtering fine dust and cannot meet increasingly stringent environmental protection requirements. Other devices lack effective dust treatment and recycling mechanisms after dust collection, which leads to easy clogging of the dust collection box, requiring frequent cleaning and increasing maintenance costs and workload.

[0004] With industrial development and increased environmental awareness, the performance requirements for dust filtration devices are becoming increasingly stringent. These devices not only need to efficiently filter dust of different particle sizes, but also effectively collect and treat dust, while possessing good recycling capabilities to improve their practicality and economy. Therefore, developing a device capable of multi-stage filtration, efficient collection, and recycling of industrial dust is of significant practical importance. Utility Model Content

[0005] The purpose of this utility model is to provide an industrial dust multi-stage circulating filtration device, which improves the filtration performance, practicality, and dust collection performance of the multi-stage circulating filtration device by installing the primary and secondary filtration mechanisms with the mounting frame, thereby solving the technical problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: An industrial dust multi-stage circulating filtration device, comprising: The mounting frame is connected at its upper end to both the primary and secondary filtration mechanisms; the primary and secondary filtration mechanisms are connected. The mounting frame includes a mounting bracket, on the inner side of the lower end of which dust collection boxes are symmetrically placed, and on the upper end of the symmetrically placed dust collection boxes is a mounting plate, which is connected to the inner side of the mounting bracket. The upper end of the mounting bracket is connected to a first connecting support frame and a second connecting support frame arranged in a ring array. The first connecting support frame arranged in a ring array is connected to a primary dust collection tank. The lower end of the primary dust collection tank is connected to a dust discharge pipe, and the lower end of the primary dust collection tank is tapered. The lower end of the dust discharge pipe is fixedly connected to the mounting plate through a connecting flange.

[0007] As a further technical solution of this utility model, the upper end of the primary dust collection tank is connected to the sealing top cover, and two sets of quick-locking buckles and rotating opening and closing mechanisms are respectively connected between the upper end of the primary dust collection tank and the sealing top cover; the upper end of the sealing top cover is fixedly connected to the dust extraction pipe, and the dust extraction pipe is L-shaped.

[0008] As a further technical solution of this utility model, a primary filter screen for the exhaust port is fixedly installed on the inner side of the end of the dust extraction pipe; the inner side of the upper end of the primary dust collection tank is connected to the filter element mounting flange, and a filter bag is installed on the filter element mounting flange.

[0009] As a further technical solution of this utility model, one side of the primary dust collection tank is connected to one end of the transition connecting pipe one, the other end of the transition connecting pipe one is connected to one end of the transition connecting pipe two, the other end of the transition connecting pipe two is connected to the induced draft end of the induced draft fan, and the lower end of the induced draft fan is fixedly connected to the induced draft connecting pipe.

[0010] As a further technical solution of this utility model, the lower end of the exhaust pipe is connected to the inner side of the upper end of the secondary cyclone separator, the lower end of the secondary cyclone separator is provided with a connecting support frame in a ring array, and the lower end of the secondary cyclone separator is provided with a cyclone dust removal cone pipe; the exhaust pipe, the secondary cyclone separator and the cyclone dust removal cone pipe are integrated into one piece.

[0011] As a further technical solution of this utility model, the lower end of the cyclone dust removal cone is fixedly connected to the mounting plate via a connecting flange; an activated carbon filter plate is fixedly installed on the inner side of the lower end of the exhaust connection pipe; and one side of the secondary cyclone separator is connected to one end of the circulating exhaust pipe.

[0012] Compared with the prior art, the beneficial effects of this utility model are: This utility model, through multi-stage filtration including a primary filter screen at the exhaust port, a filter bag, a secondary cyclone separator, and an activated carbon filter plate, can effectively filter dust and harmful gases of different particle sizes, with high filtration efficiency and meeting strict environmental protection requirements. In this invention, dust falls into the dust collection box through the dust discharge pipe at the bottom of the primary dust collection tank and the cyclone dust discharge cone at the bottom of the secondary cyclone separator. The collection box is reasonably designed, not easy to clog, reduces the cleaning frequency, and lowers the maintenance cost. In this invention, the quick-lock and rotating opening and closing mechanism on the sealed top cover facilitate the opening and maintenance of the primary dust collection tank, and the filter element mounting flange facilitates the replacement of the filter bag. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0014] Figure 2 This utility model Figure 1 Top view.

[0015] Figure 3 This utility model Figure 2 Top view.

[0016] Figure 4 This utility model Figure 1 A schematic diagram of the split structure.

[0017] Figure 5 This utility model Figure 4 A schematic diagram of the split structure.

[0018] Figure 6 This utility model Figure 5 A bottom view.

[0019] Figure 7 This utility model Figure 5 A magnified view of a portion of the image.

[0020] Figure 8 This utility model Figure 6 A magnified view of a portion of the image.

[0021] In the diagram: 1-mounting frame, 2-primary filtration mechanism, 3-secondary filtration mechanism; 11-Mounting bracket; 12-Dust collection box; 13-Mounting plate; 21- Primary dust collection tank; 22- Connecting support frame 1; 23- Dust discharge pipe; 24- Sealed top cover; 25- Quick lock; 26- Dust intake pipe; 27- Primary filter screen at exhaust port; 28- Filter element mounting flange; 29- Filter bag; 210- Transition connecting pipe 1. 31-Secondary cyclone separator, 32-Connecting support frame II, 33-Cyclone dust removal cone, 34-Transition connecting pipe II, 35-Induced air connecting pipe, 36-Induced air fan, 37-Activated carbon filter plate, 38-Circulating exhaust pipe. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-8 In this embodiment of the present invention, an industrial dust multi-stage circulating filtration device includes a mounting frame 1, the upper end of which is connected to a primary filtration mechanism 2 and a secondary filtration mechanism 3 respectively; the primary filtration mechanism 2 and the secondary filtration mechanism 3 are connected. The mounting frame 1 includes a mounting bracket 11, on which dust collection boxes 12 are symmetrically placed on the inner side of the lower end of the mounting bracket 11. The upper end of the symmetrically placed dust collection boxes 12 is provided with a mounting plate 13, which is connected to the inner side of the mounting bracket 11. The upper end of the mounting bracket 11 is connected to the first connecting support frame 22 and the second connecting support frame 32 arranged in a ring array. The first connecting support frame 22 arranged in a ring array is connected to the primary dust collection tank 21. The lower end of the primary dust collection tank 21 is connected to the dust discharge pipe 23, and the lower end of the primary dust collection tank 21 is tapered. The lower end of the dust discharge pipe 23 is fixedly connected to the mounting plate 13 through a connecting flange. The upper end of the primary dust collection tank 21 is connected to the sealing top cover 24. Two sets of quick-locking buckles 25 and a rotating opening and closing mechanism are respectively connected between the upper end of the primary dust collection tank 21 and the sealing top cover 24. The upper end of the sealing top cover 24 is fixedly connected to the dust extraction pipe 26, which is L-shaped. A primary filter screen 27 for the exhaust port is fixedly installed on the inner side of the end of the dust extraction pipe 26; the upper inner side of the primary dust collection tank 21 is connected to the filter element mounting flange 28, and a filter bag 29 is installed on the filter element mounting flange 28.

[0024] By adopting the above technical solution, through multi-stage filtration of primary filter screen 27, filter bag 29, secondary cyclone separator 31 and activated carbon filter plate 37 at the exhaust port, it is possible to effectively filter dust and harmful gases of different particle sizes, with high filtration efficiency and meeting strict environmental protection requirements. The quick-lock 25 and rotating opening and closing mechanism on the sealed top cover 24 facilitate the opening and maintenance of the primary dust collection tank 21, and the filter element mounting flange 28 facilitates the replacement of the filter bag 29.

[0025] One side of the primary dust collection tank 21 is connected to one end of the transition connecting pipe 1 210, the other end of the transition connecting pipe 1 210 is connected to one end of the transition connecting pipe 2 34, the other end of the transition connecting pipe 2 34 is connected to the induced draft end of the induced draft fan 36, and the lower end of the induced draft fan 36 is fixedly connected to the induced draft connecting pipe 35. The lower end of the exhaust pipe 35 is connected to the inner side of the upper end of the secondary cyclone separator 31. The lower end of the secondary cyclone separator 31 is provided with a connecting support frame 32 in a ring array, and the lower end of the secondary cyclone separator 31 is provided with a cyclone dust discharge cone pipe 33. The exhaust pipe 35, the secondary cyclone separator 31 and the cyclone dust discharge cone pipe 33 are integrated into one piece. The lower end of the cyclone dust removal cone 33 is fixedly connected to the mounting plate 13 via a connecting flange; an activated carbon filter plate 37 is fixedly installed on the inner side of the lower end of the air duct 35; and one side of the secondary cyclone separator 31 is connected to one end of the circulating exhaust pipe 38.

[0026] By adopting the above technical solution, dust falls into the dust collection box 12 through the dust discharge pipe 23 at the lower end of the primary dust collection tank 21 and the cyclone dust discharge cone pipe 33 at the lower end of the secondary cyclone separator 31. The collection box is reasonably designed, not easy to be blocked, reduces the cleaning frequency, and lowers the maintenance cost.

[0027] The working principle of this utility model is as follows: Dust-laden gas enters the device through the L-shaped dust extraction pipe 26. The primary filter 27 at the exhaust port on the inner side of the dust extraction pipe 26 first filters the large dust particles. The dust-laden gas after primary filtration enters the primary dust collection tank 21. Under the action of the filter bag 29, the dust is further filtered. The filtered dust is guided by the cone-shaped structure at the lower end of the primary dust collection tank 21 and falls into the dust collection box 12 through the dust discharge pipe 23. The gas, after primary filtration, enters the induced draft fan 36 through transition connecting pipe 210 and transition connecting pipe 34. The induced draft fan 36 then guides the gas into the induced draft connecting pipe 35. Inside the secondary cyclone separator 31, fine dust particles are separated using the cyclone separation principle and fall into the dust collection box 12 through the cyclone dust discharge cone 33. Simultaneously, the gas passes through the activated carbon filter plate 37 on the inner side of the lower end of the induced draft connecting pipe 35, where odors and harmful gases are adsorbed and filtered. The clean gas after secondary cyclone separation and activated carbon filtration is discharged through the circulating exhaust pipe 38 or recycled. Through multi-stage filtration including the primary filter 27 at the exhaust port, filter bag 29, secondary cyclone separator 31, and activated carbon filter plate 37, it can effectively filter dust and harmful gases of different particle sizes, with high filtration efficiency, meeting strict environmental protection requirements. Dust falls into dust collection box 12 through dust discharge pipe 23 at the lower end of primary dust collection tank 21 and cyclone dust discharge cone pipe 33 at the lower end of secondary cyclone separator 31. The collection box is reasonably designed, not easy to clog, reduces cleaning frequency and lowers maintenance costs. The quick-lock 25 and rotating opening and closing mechanism on the sealed top cover 24 facilitate the opening and maintenance of the primary dust collection tank 21, and the filter element mounting flange 28 facilitates the replacement of the filter bag 29.

[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0029] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A multi-stage circulating filtration device for industrial dust, characterized in that: include Mounting frame (1), the upper end of which is connected to the primary filtration mechanism (2) and the secondary filtration mechanism (3); the primary filtration mechanism (2) and the secondary filtration mechanism (3) are connected; The mounting frame (1) includes a mounting bracket (11), on which dust collection boxes (12) are symmetrically placed on the inner side of the lower end of the mounting bracket (11), and a mounting plate (13) is provided on the upper end of the symmetrically placed dust collection boxes (12), and the mounting plate (13) is connected to the inner side of the mounting bracket (11). The upper end of the mounting bracket (11) is connected to the first connecting support frame (22) and the second connecting support frame (32) arranged in a ring array. The first connecting support frame (22) arranged in a ring array is connected to the primary dust collection tank (21). The lower end of the primary dust collection tank (21) is connected to the dust discharge pipe (23), and the lower end of the primary dust collection tank (21) is tapered. The lower end of the dust discharge pipe (23) is fixedly connected to the mounting plate (13) through a connecting flange.

2. The industrial dust multi-stage circulating filtration device according to claim 1, characterized in that: The upper end of the primary dust collection tank (21) is connected to the sealing top cover (24), and two sets of quick-locking buckles (25) and a rotating opening and closing mechanism are respectively connected between the upper end of the primary dust collection tank (21) and the sealing top cover (24); the upper end of the sealing top cover (24) is fixedly connected to the dust extraction pipe (26), and the dust extraction pipe (26) is L-shaped.

3. The industrial dust multi-stage circulating filtration device according to claim 2, characterized in that: The dust extraction pipe (26) is fixedly installed with a primary air filter (27) at the end; the upper inner side of the primary dust collection tank (21) is connected to the filter element mounting flange (28), and a filter bag (29) is installed on the filter element mounting flange (28).

4. The industrial dust multi-stage circulating filtration device according to claim 3, characterized in that: One side of the primary dust collection tank (21) is connected to one end of the transition connecting pipe one (210), the other end of the transition connecting pipe one (210) is connected to one end of the transition connecting pipe two (34), the other end of the transition connecting pipe two (34) is connected to the induced draft end of the induced draft fan (36), and the lower end of the induced draft fan (36) is fixedly connected to the induced draft connecting pipe (35).

5. The industrial dust multi-stage circulating filtration device according to claim 4, characterized in that: The lower end of the exhaust pipe (35) is connected to the inner side of the upper end of the secondary cyclone separator (31). The lower end of the secondary cyclone separator (31) is provided with a connecting support frame (32) in a ring array, and the lower end of the secondary cyclone separator (31) is provided with a cyclone dust removal cone pipe (33). The exhaust pipe (35), the secondary cyclone separator (31) and the cyclone dust removal cone pipe (33) are integrated into one piece.

6. The industrial dust multi-stage circulating filtration device according to claim 5, characterized in that: The lower end of the cyclone dust removal cone (33) is fixedly connected to the mounting plate (13) via a connecting flange; an activated carbon filter plate (37) is fixedly installed on the inner side of the lower end of the air duct (35); one side of the secondary cyclone separator (31) is connected to one end of the circulating exhaust pipe (38).

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