Dust discharging device of pulse bag type dust collector

Abstract

The utility model discloses a dust discharging device of a pulse bag type dust collector. The dust discharging device comprises a cloth bag dust discharging device arranged at the upper end in a pulse bag type dust collector main body and a dust discharging device arranged at the lower end in the pulse bag type dust collector main body. According to the cloth bag dust discharging device, air enters the circular barrel through the electromagnetic pulse valve and is sprayed to the cloth bag from the air nozzle, dust particles attached to the cloth bag can be blown away, meanwhile, the dust discharging assembly is arranged, the spring throws out the impact block through centrifugal force, the impact effect is obvious, only two sides of the first gear are provided with teeth, and the dust discharging effect is good. The dust discharging device is installed, a scraping plate arranged on the dust discharging device can scrape away dust adhering to a discharging hopper, the discharging hopper can be conveniently cleaned, the difficulty of cleaning the discharging hopper in the later period is reduced, and a protective cover arranged on the dust discharging device can protect a second motor.

Description

Technical Field

[0001] The utility model relates to the technical field of pulse bag dust collectors, in particular to a dust discharging device for a pulse bag dust collector. Background Art

[0002] Since its introduction in the 1950s, pulse bag dust collectors have been widely used at home and abroad and have been continuously improved, making great progress in purifying dust-laden gases. Due to advanced cleaning technology and greatly improved gas-to-cloth ratio, they have the characteristics of large air volume, small footprint, high purification efficiency, reliable operation, simple structure, and low maintenance. The dust removal efficiency can reach more than 99%, making it a mature, relatively complete, and high-efficiency dust removal equipment.

[0003] As the filtration time of the pulse dust collector increases, the dust layer on the filter bag continues to accumulate, and the resistance of the dust removal equipment continues to increase. When the equipment resistance rises to the set value, the cleaning device needs to be cleaned. The existing cleaning structure makes the bag swell by blowing air, so that the dust falls off, and the cleaning effect is general. In addition, when the fallen dust passes through the discharge port, a layer of dust sticks to the discharge port, which is difficult to clean. Utility Model Content

[0004] The utility model aims to provide a dust discharging device for a pulse bag dust collector to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dust discharging device for a pulse bag dust collector, comprising a bag dust discharging device installed at the upper end of the pulse bag dust collector body and a dust discharging device installed at the lower end of the pulse bag dust collector body;

[0006] The bag dust removal device comprises a bag assembly, which is arranged on the left and right sides of the pulse bag dust collector body, and the bag assembly is equipped with a dust removal assembly;

[0007] The dust removal assembly includes an air box, which is installed on the top of the shell, and the left and right ends of the air box are fixedly connected to air pipes, and electromagnetic pulse valves are installed on the air pipes. The other side of the air pipe is rotatably connected to a circular cylinder through a bearing, and the circular cylinders extend into the bag body. The left and right ends of the circular cylinders are arranged and installed with air nozzles;

[0008] The dust unloading device comprises a fixed plate, the fixed plate is fixedly connected below the pulse bag dust collector body, a dust scraping assembly is installed on the fixed plate, and a protective cover is fixedly connected to the fixed plate.

[0009] As a further preferred embodiment of the present technical solution, the pulse bag dust collector body includes a shell, the front end through hole of the shell is fixedly connected to an air inlet pipe, the upper through holes at the left and right ends of the shell are fixedly connected to exhaust pipes, and the bottom side of the shell is fixedly connected to a lower hopper.

[0010] As a further preferred embodiment of the present technical solution, the cloth bag assembly includes a mounting plate, which is fixedly connected to the top of the inner wall of the shell, and support frames are provided at the through holes on the left and right sides of the mounting plate, and the cloth bag body is installed on the bottom side of the support frame.

[0011] As a further preferred embodiment of the technical solution, a bracket is fixedly connected to one end of each of the two support frames that is close to each other, and a motor 1 is installed on the bracket. A gear 1 is fixedly connected to the output end of the motor 1, and teeth are arranged on the left and right ends of the gear 1. A gear 2 is meshedly connected to the teeth of the gear 1, and the inner wall of the gear 2 is fixedly connected to the outer wall of the circular cylinder.

[0012] As a further preferred embodiment of the technical solution, a mounting plate is arranged on the outer wall of the circular cylinder, and mounting boxes are fixedly connected to both left and right ends of the mounting plate, springs are installed in the mounting boxes, and a collision block is fixedly connected to the other end of the spring.

[0013] As a further preferred embodiment of the present technical solution, the scraping assembly includes a second motor, which is installed inside the protective cover, and the output end of the second motor is fixedly connected to a rotating rod, a movable plate is hinged on the rotating rod, and a scraper is hinged on the other end of the movable plate, and the scraper is tightly attached to the inner wall of the lower hopper.

[0014] The utility model provides a dust removal device for a pulse bag dust collector, which has the following beneficial effects:

[0015] (1) The utility model installs a bag dust unloading device, allows gas to enter the circular cylinder through the electromagnetic pulse valve, and sprays gas to the bag from the air nozzle, which can blow away the dust particles attached to the bag. At the same time, the dust unloading component can hit the bag, further making the dust particles on the bag fall off, and the dust cleaning effect is ideal.

[0016] (2) The utility model installs a dust discharge device, and the scraper provided therein can scrape off the dust adhering to the discharge hopper, making it convenient to clean the discharge hopper and reducing the difficulty of cleaning the discharge hopper at a later time. The protective cover provided therein can protect the motor 2. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the dust removal device of the pulse bag dust collector of the utility model;

[0018] Figure 2 The utility model is Figure 1Schematic diagram of the internal structure;

[0019] Figure 3 The utility model is Figure 2 A magnified view of Figure A;

[0020] Figure 4 The utility model is Figure 2 A magnified view of Figure B;

[0021] Figure 5 The utility model is Figure 2 Structural schematic diagram of the dust discharge device;

[0022] In the figure: 1. Pulse bag dust collector body; 2. Bag dust unloading device; 3. Dust unloading device; 11. Shell; 12. Air inlet pipe; 13. Exhaust pipe; 14. Unloading hopper; 21. Bag assembly; 22. Dust unloading assembly; a1. Mounting plate; a2. Support frame; a3. Bag body; b1. Air box; b2. Air pipe; b3. Round cylinder; b4. Air nozzle; c1. Bracket; c2. Motor 1; c3. Gear 1;

[0023] c4, gear 2; c5, mounting plate; c6, mounting box; c7, spring; c8, impact block; 31, fixed plate; 32, scraper assembly; 33, protective cover; d1, motor 2; d2, rotating rod; d3, movable plate; d4, scraper. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0025] The utility model provides a technical solution: Figure 1 As shown, in this embodiment, a dust unloading device of a pulse bag dust collector includes a bag dust unloading device 2 installed at the upper end of the pulse bag dust collector body 1 and a dust discharge device 3 installed at the lower end of the pulse bag dust collector body 1. The pulse bag dust collector body 1 includes a shell 11, and the front end through hole of the shell 11 is fixedly connected to an air intake pipe 12, the upper through holes at the left and right ends of the shell 11 are fixedly connected to exhaust pipes 13, and the bottom side of the shell 11 is fixedly connected to a discharge hopper 14.

[0026] like Figure 2 , Figure 3 and Figure 4As shown, the bag-type dust removal device 2 includes a bag assembly 21, which is arranged on the left and right sides of the pulse bag dust collector body 1, and the bag assembly 21 is installed with a dust removal assembly 22. The bag assembly 21 includes a mounting plate a1, which is fixedly connected to the upper inner wall of the shell 11, and support frames a2 are arranged at the through holes on the left and right sides of the mounting plate a1, and the bag body a3 is installed on the bottom side of the support frame a2. The dust removal assembly 22 includes an air box b1, and the air box b1 is installed on the top of the shell 11. The left and right ends of the air box b1 are fixedly connected to the air supply pipe b2, and the air supply pipe b2 is installed with an electromagnetic pulse valve. The other side of the air supply pipe b2 is rotatably connected with a circular cylinder b3 through a bearing, and the circular cylinder b3 extends into the bag body a3. The left and right ends of the circular cylinder b3 are arranged with air nozzles b4, and the two ends of the support frames a2 are close to each other. A bracket c1 is fixedly connected to the bracket c1, a motor c2 is installed on the bracket c1, a gear c3 is fixedly connected to the output end of the motor c2, teeth are arranged on the left and right ends of the gear c3, a gear c4 is meshed and connected on the teeth of the gear c3, the inner wall of the gear c4 is fixedly connected to the outer wall of the circular cylinder b3, mounting plates c5 are arranged on the outer wall of the circular cylinder b3, mounting boxes c6 are fixedly connected to the left and right ends of the mounting plates c5, springs c7 are installed in the mounting boxes c6, and a collision block c8 is fixedly connected to the other end of the spring c7. By installing the bag dust unloading device 2, gas enters the circular cylinder b3 through the electromagnetic pulse valve and is sprayed to the bag from the air nozzle b4, so that the dust particles attached to the bag can be blown away. At the same time, the dust unloading component 22 can hit the bag to further make the dust particles on the bag fall off, and the cleaning effect is ideal.

[0027] like Figure 2 and Figure 5 As shown, the scraping assembly 32 includes a motor d1, which is installed inside a protective cover 33. A rotating rod d2 is fixedly connected to the output end of the motor d1. A movable plate d3 is hinged on the rotating rod d2. A scraper d4 is hinged on the other end of the movable plate d3. The scraper d4 is tightly attached to the inner wall of the lower hopper 14. By installing a dust unloading device 3, the scraper d4 can scrape off the dust stuck on the lower hopper 14, making it convenient to clean the lower hopper 14 and reducing the difficulty of cleaning the lower hopper 14 at a later stage. The protective cover 33 can protect the motor d1.

[0028] The utility model provides a dust unloading device for a pulse bag dust collector, and the specific working principle is as follows: after the pulse bag dust collector finishes working, the dust layer on the bag continues to accumulate, and the resistance of the dust removal equipment continues to increase. When the equipment resistance rises to a set value, the dust cleaning device needs to be cleaned, and the gas in the air box b1 enters the air delivery pipe b2 and the circular cylinder b3 through the electromagnetic pulse valve, and is discharged from the air nozzle b4 to the bag, and at the same time, the motor c2 is started to drive the gear c3 to rotate, and the gear c4 and the circular cylinder b3 are driven to rotate, so that the impact block c8 rotates, and the spring c7 throws the impact block c8 out through the centrifugal force, and the impact effect is obvious, and the gear c3 is only provided with teeth on both sides, so that the impact block c8 impacts the bag body a3 in bursts, and the effect is better; the dust particles fall and are discharged from the lower hopper 14, so that a layer of dust is adhered to the lower hopper 14, that is, the motor d1 is started to drive the rotating rod d2 to rotate, and the scraper d4 is scraped on the inner wall of the lower hopper 14 through the movable plate d3.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dust removal device for a pulse bag dust collector, characterized in that: It comprises a bag dust unloading device (2) installed at the upper end of the pulse bag dust collector body (1) and a dust unloading device (3) installed at the lower end of the pulse bag dust collector body (1); The bag dust removal device (2) comprises a bag assembly (21), wherein the bag assembly (21) is arranged on the left and right sides of the pulse bag dust collector body (1), and a dust removal assembly (22) is installed in each of the bag assemblies (21); The dust removal assembly (22) comprises an air box (b1), the air box (b1) is mounted on the top of the shell (11), the air box (b1) is fixedly connected to an air pipe (b2) at both ends, an electromagnetic pulse valve is installed on the air pipe (b2), the other side of the air pipe (b2) is rotatably connected to a circular cylinder (b3) through a bearing, the circular cylinder (b3) extends into the bag body (a3), and air nozzles (b4) are arranged and installed at both ends of the circular cylinder (b3); The dust discharge device (3) comprises a fixed plate (31), the fixed plate (31) is fixedly connected below the pulse bag dust collector body (1), a dust scraping assembly (32) is installed on the fixed plate (31), and a protective cover (33) is fixedly connected to the fixed plate (31).

2. The dust removal device of a pulse bag dust collector according to claim 1 is characterized in that: The pulse bag dust collector body (1) comprises a shell (11), a front through hole of the shell (11) being fixedly connected to an air inlet pipe (12), upper through holes at both left and right ends of the shell (11) being fixedly connected to exhaust pipes (13), and a bottom hopper (14) being fixedly connected to the bottom side of the shell (11).

3. The dust discharging device of a pulse bag dust collector according to claim 1 is characterized in that: The cloth bag assembly (21) comprises a mounting plate (a1), wherein the mounting plate (a1) is fixedly connected to the upper inner wall of the shell (11), support frames (a2) are provided at the through holes on the left and right sides of the mounting plate (a1), and a cloth bag body (a3) ​​is installed on the bottom side of the support frame (a2).

4. The dust discharging device of a pulse bag dust collector according to claim 3 is characterized in that: A bracket (c1) is fixedly connected to one end of each of the two support frames (a2), a motor (c2) is installed on the bracket (c1), a gear (c3) is fixedly connected to the output end of the motor (c2), teeth are arranged at the left and right ends of the gear (c3), a gear (c4) is meshedly connected to the teeth of the gear (c3), and the inner wall of the gear (c4) is fixedly connected to the outer wall of the circular cylinder (b3).

5. The dust removal device of a pulse bag dust collector according to claim 1 is characterized in that: The outer wall of the circular cylinder (b3) is provided with a mounting plate (c5), and both left and right ends of the mounting plate (c5) are fixedly connected with a mounting box (c6), and a spring (c7) is installed in the mounting box (c6), and the other end of the spring (c7) is fixedly connected with a collision block (c8).

6. The dust discharging device of a pulse bag dust collector according to claim 1, characterized in that: The scraper assembly (32) includes a second motor (d1), which is installed inside the protective cover (33). The output end of the second motor (d1) is fixedly connected to a rotating rod (d2), and a movable plate (d3) is hinged on the rotating rod (d2). The other end of the movable plate (d3) is hinged to a scraper (d4), and the scraper (d4) is tightly attached to the inner wall of the lower hopper (14).

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