Polypropylene dust remover

Abstract

The utility model belongs to the field of dust removers, and particularly relates to a polypropylene dust remover which comprises a dust remover body, a discharge hopper is mounted at the bottom of the dust remover body, an air inlet pipe is mounted on one side of the dust remover body, an air outlet pipe is mounted on the other side of the dust remover body, and a mounting plate is mounted in the dust remover body. The mounting plate is located between the air inlet pipe and the air outlet pipe, a plurality of filter cloth bags are mounted on the mounting plate, a partition plate is mounted in the dust remover body and located above the mounting plate, two reciprocating screw rods are rotatably mounted on the partition plate, a cleaning mechanism is arranged on the reciprocating screw rods, and the cleaning mechanism comprises a driving seat, a frame plate and a brush. The dust remover is reasonable in design, the inner wall of the dust remover body can be cleaned through the vertical reciprocating movement of the frame plate and the brush, the filter cloth bag can be beaten through the rotation of the beating ball, and therefore the purpose of cleaning the filter cloth bag is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of dust collectors, in particular to a polypropylene dust collector. Background Art

[0002] Polypropylene is a semi-crystalline thermoplastic with high impact resistance, strong mechanical properties, and resistance to corrosion by a variety of organic solvents and acids and alkalis. It is widely used in industry and is one of the most common polymer materials. A dust collector is required in the polypropylene production process. After the mixture of polypropylene powder and propylene gas passes through the bag dust collector, the polypropylene powder and propylene gas are separated.

[0003] At present, a bag dust collector is announced in a Chinese patent with announcement number CN206631346U. The bag dust collector includes a box frame, a bag dust collecting box, a bag system and a dust collecting device. The bag dust collecting box is arranged on the box frame, the bag system is arranged on the bag dust collecting box, and the dust collecting device is arranged relatively inside the bag dust collecting box. The bag system includes a long bag, and the number of the long bags is multiple, and the multiple long bags are arranged in parallel. The bag dust collector of the utility model adopts long bag low-pressure pulse cleaning, which occupies a small area, has a good cleaning effect, and low gas consumption.

[0004] In actual production, it is found that the dust collector needs to operate for a period of time, and the powder will be adsorbed on the surface of the bag, so that the permeability of the bag cannot be restored to the best, and the gas-material separation effect becomes worse. Part of the powder is easy to adhere to the inner wall of the dust collector, resulting in insufficient discharge. Therefore, we proposed a polypropylene dust collector to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a polypropylene dust collector.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A polypropylene dust collector comprises a dust collector body, a discharge hopper is installed at the bottom of the dust collector body, an air inlet pipe is installed on one side of the dust collector body, and an air outlet pipe is installed on the other side of the dust collector body;

[0008] The dust collector body is provided with a mounting plate, the mounting plate is located between the air inlet pipe and the air outlet pipe, a plurality of filter bags are installed on the mounting plate, the dust collector body is provided with a partition, the partition is located above the mounting plate, two reciprocating screws are rotatably installed on the partition, and a cleaning mechanism is provided on the reciprocating screw;

[0009] The cleaning mechanism includes a driving seat, a frame plate and a brush. The driving seat is threadedly sleeved on the reciprocating screw rod. The outer sides of the two driving seats are fixedly mounted with the same frame plate. The outer side of the frame plate is mounted with a brush, and the brush contacts the inner wall of the dust collector body.

[0010] Preferably, a driving mechanism is provided on the dust collector body, and a transmission mechanism is provided between the driving mechanism and the reciprocating screw rod.

[0011] Preferably, the driving mechanism includes a driving shaft and a driving motor, the driving shaft is rotatably mounted on the inner walls on both sides of the dust collector body, the driving motor is fixedly mounted on one side of the dust collector body, and the output shaft of the driving motor is fixedly connected to the corresponding driving shaft.

[0012] Preferably, the transmission mechanism comprises a driving bevel gear and a driven bevel gear, wherein the driving bevel gear is fixedly mounted on the driving shaft, and the driven bevel gear is fixedly mounted on the top end of the reciprocating screw, and the driving bevel gear is meshed with the corresponding driven bevel gear.

[0013] Preferably, a plurality of rotating shafts are rotatably mounted between the two driving seats, and a knocking mechanism is provided between the rotating shaft and the filter bag.

[0014] Preferably, the knocking mechanism comprises a rubber rod and a knocking ball, wherein the rubber rod is fixedly mounted on the rotating shaft, and a knocking ball matched with the filter bag is fixedly mounted on the bottom end of the rubber rod.

[0015] Preferably, a rack seat is fixedly mounted on the bottom of the mounting plate, a rotating gear is fixedly mounted on the rotating shaft, and the rotating gear is meshed with the rack seat.

[0016] Preferably, the partition plate and the mounting plate are provided with rotation holes, and the reciprocating screw rod is rotationally connected to the corresponding rotation holes.

[0017] Beneficial effects of the utility model:

[0018] 1. When the dust generated by polypropylene processing enters the dust collector through the air inlet pipe, the raw material dust can be filtered through the filter bag, so as to facilitate the recovery of polypropylene raw material dust, and the filtered gas can be discharged through the air outlet pipe;

[0019] 2. Through the cooperation of the driving motor, driving shaft, active bevel gear and driven bevel gear, the driving shaft can drive the two reciprocating screws to rotate, and the reciprocating screws can drive the driving seat and the frame plate to move up and down. The movement of the frame plate can clean the inner wall of the dust collector body through the brush;

[0020] 3. When the driving seat moves up and down, the driving seat can drive the rotating shaft to move in the vertical direction. At this time, with the cooperation of the rotating gear and the rack seat, the rotating shaft can rotate on itself. The rotating shaft can drive the rubber rod and the knocking ball to rotate and knock the filter bag, thereby achieving the purpose of cleaning the filter bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the polypropylene dust collector proposed by the utility model;

[0022] Figure 2 This is a top-down perspective cross-sectional structural diagram of the polypropylene dust collector proposed by the utility model;

[0023] Figure 3 It is a partial three-dimensional structural schematic diagram of the polypropylene dust collector proposed by the utility model;

[0024] Figure 4 This is a schematic structural diagram of part A of the polypropylene dust collector proposed in the utility model.

[0025] In the figure: 1. Dust collector body; 2. Discharge hopper; 3. Inlet pipe; 4. Outlet pipe; 5. Mounting plate; 6. Filter bag; 7. Partition plate; 8. Reciprocating screw; 9. Drive seat; 10. Frame plate; 11. Brush; 12. Rotating shaft; 13. Rubber rod; 14. Beating ball; 15. Rack seat; 16. Rotating gear; 17. Driven bevel gear; 18. Drive shaft; 19. Active bevel gear; 20. Drive motor. DETAILED DESCRIPTION

[0026] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Reference Figure 1-4, a polypropylene dust collector comprises a dust collector body 1, a discharge hopper 2 is installed at the bottom of the dust collector body 1, an air inlet pipe 3 is installed on one side of the dust collector body 1, and an air outlet pipe 4 is installed on the other side of the dust collector body 1. A mounting plate 5 is installed in the dust collector body 1, and the mounting plate 5 is located between the air inlet pipe 3 and the air outlet pipe 4. A plurality of filter bags 6 are installed on the mounting plate 5, and a partition 7 is installed in the dust collector body 1, and the partition 7 is located above the mounting plate 5. Two reciprocating screws 8 are rotatably installed on the partition 7, and a cleaning mechanism is provided on the reciprocating screw 8. The cleaning mechanism comprises a driving seat 9, a frame plate 10 and a brush 11. The driving seat 9 is threadedly sleeved on the reciprocating screw 8. The outer sides of the two driving seats are fixedly mounted with the same frame plate 10, and a brush 11 is installed on the outer side of the frame plate 10. The brush 11 contacts the inner wall of the dust collector body 1, and the inner wall of the dust collector body 1 can be cleaned by moving the brush 11.

[0028] In this embodiment, a driving mechanism is provided on the dust collector body 1, and a transmission mechanism is provided between the driving mechanism and the reciprocating screw rod 8. The driving mechanism includes a driving shaft 18 and a driving motor 20. The driving shaft 18 is rotatably mounted on the inner walls on both sides of the dust collector body 1, and the driving motor 20 is fixedly mounted on one side of the dust collector body 1, and the output shaft of the driving motor 20 is fixedly connected to the corresponding driving shaft 18. The transmission mechanism includes an active bevel gear 19 and a driven bevel gear 17. The active bevel gear 19 is fixedly mounted on the driving shaft 18, and the driven bevel gear 17 is fixedly mounted on the top of the reciprocating screw rod 8, and the active bevel gear 19 is meshed with the corresponding driven bevel gear 17. By providing a driving mechanism and a transmission mechanism, the driving motor 20 can drive the two reciprocating screw rods 8 to rotate synchronously.

[0029] In this embodiment, a plurality of rotating shafts 12 are rotatably installed between the two driving seats 9, and a knocking mechanism is provided between the rotating shaft 12 and the filter cloth bag 6. The knocking mechanism includes a rubber rod 13 and a knocking ball 14. The rubber rod 13 is fixedly installed on the rotating shaft 12, and a knocking ball 14 adapted to the filter cloth bag 6 is fixedly installed at the bottom end of the rubber rod 13. By rotating the knocking ball 14, the purpose of knocking the filter cloth bag 6 can be achieved.

[0030] In this embodiment, a rack seat 15 is fixedly installed at the bottom of the mounting plate 5, a rotating gear 16 is fixedly installed on the rotating shaft 12, and the rotating gear 16 is meshed with the rack seat 15, rotating holes are opened on the partition 7 and the mounting plate 5, and the reciprocating screw 8 is rotatably connected with the corresponding rotating holes. When the driving seat 9 moves up and down, the driving seat 9 can drive the rotating shaft 12 to move in the vertical direction. At this time, with the cooperation of the rotating gear 16 and the rack seat 15, the rotating shaft 12 can rotate.

[0031] In the utility model, when the dust generated by polypropylene processing enters the dust collector body 1 through the air inlet pipe 3, the raw material dust can be filtered through the filter bag 6, so that the polypropylene raw material dust is recovered, and the filtered gas can be discharged through the air outlet pipe 4. By starting the drive motor 20, the drive motor 20 can drive the drive shaft 18 to rotate, and through the active bevel gear 19 and the driven bevel gear 17, the drive shaft 18 can drive the two reciprocating screws 8 to rotate, and the reciprocating screw 8 can drive the drive seat 9 and the frame plate 10 to move up and down reciprocatingly. The movement of the frame plate 10 can clean the inner wall of the dust collector body 1 through the brush 11. When the drive seat 9 moves up and down, the drive seat 9 can drive the rotating shaft 12 to move in the vertical direction. At this time, with the cooperation of the rotating gear 16 and the rack seat 15, the rotating shaft 12 can be realized to rotate, and the rotating shaft 12 can drive the rubber rod 13 and the knocking ball 14 to rotate and knock the filter bag 6, thereby achieving the purpose of cleaning the filter bag 6.

[0032] The above is a detailed introduction to the polypropylene dust collector provided by the utility model. This article uses specific embodiments to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. Polypropylene dust collector, characterized in that, It comprises a dust collector body (1), a discharge hopper (2) is installed at the bottom of the dust collector body (1), an air inlet pipe (3) is installed on one side of the dust collector body (1), and an air outlet pipe (4) is installed on the other side of the dust collector body (1); A mounting plate (5) is installed in the dust collector body (1), the mounting plate (5) is located between the air inlet pipe (3) and the air outlet pipe (4), a plurality of filter bags (6) are installed on the mounting plate (5), a partition plate (7) is installed in the dust collector body (1), the partition plate (7) is located above the mounting plate (5), two reciprocating screw rods (8) are rotatably installed on the partition plate (7), and a cleaning mechanism is provided on the reciprocating screw rod (8); The cleaning mechanism comprises a driving seat (9), a frame plate (10) and a brush (11); the driving seat (9) is threadedly sleeved on the reciprocating screw rod (8); the outer sides of the two driving seats (9) are fixedly mounted with the same frame plate (10); the outer side of the frame plate (10) is mounted with a brush (11); and the brush (11) contacts the inner wall of the dust collector body (1).

2. The polypropylene dust collector according to claim 1, characterized in that: The dust collector body (1) is provided with a driving mechanism, and a transmission mechanism is provided between the driving mechanism and the reciprocating screw rod (8).

3. The polypropylene dust collector according to claim 2, characterized in that: The driving mechanism comprises a driving shaft (18) and a driving motor (20); the driving shaft (18) is rotatably mounted on the inner walls of both sides of the dust collector body (1); the driving motor (20) is fixedly mounted on one side of the dust collector body (1); and the output shaft of the driving motor (20) is fixedly connected to the corresponding driving shaft (18).

4. The polypropylene dust collector according to claim 2, characterized in that: The transmission mechanism comprises a driving bevel gear (19) and a driven bevel gear (17), wherein the driving bevel gear (19) is fixedly mounted on a driving shaft (18), and the driven bevel gear (17) is fixedly mounted on the top end of a reciprocating screw rod (8), and the driving bevel gear (19) is meshed with the corresponding driven bevel gear (17).

5. The polypropylene dust collector according to claim 1, characterized in that: A plurality of rotating shafts (12) are rotatably mounted between the two driving seats (9), and a knocking mechanism is provided between the rotating shafts (12) and the filter cloth bag (6).

6. The polypropylene dust collector according to claim 5, characterized in that: The knocking mechanism comprises a rubber rod (13) and a knocking ball (14); the rubber rod (13) is fixedly mounted on the rotating shaft (12); and a knocking ball (14) adapted to the filter bag (6) is fixedly mounted on the bottom end of the rubber rod (13).

7. The polypropylene dust collector according to claim 6, characterized in that: A rack seat (15) is fixedly mounted on the bottom of the mounting plate (5), a rotating gear (16) is fixedly mounted on the rotating shaft (12), and the rotating gear (16) is meshed with the rack seat (15).

8. The polypropylene dust collector according to claim 1, characterized in that: The partition plate (7) and the mounting plate (5) are provided with rotation holes, and the reciprocating screw rod (8) is rotationally connected to the corresponding rotation holes.

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