A bag type dust collector

Abstract

The utility model relates to the technical field of dust collectors, specifically a bag-type dust collector, including a box; a switching mechanism is provided inside the box, the switching mechanism includes a ventilation pipe, two ventilation pipes are provided, one end of the ventilation pipe is connected to an intake pipe, the end of the intake pipe close to the ventilation pipe is rotatably connected to a baffle, and a filter bag is connected inside the box. The switching air intake structure can be used to switch the air intake pipe during the process of filtering and dust removal of the exhaust gas, so that the internal filter structure can perform filtering and cleaning operations respectively, avoiding interference with the normal filtering of the exhaust gas due to cleaning, and improving the filtering effect of the exhaust gas. The slapping cleaning structure can be used to effectively clean the dust on the surface of the filter bag, so that the dust adhered to the surface of the filter bag can be effectively shaken off under continuous slapping, thereby improving the subsequent filtering and dust removal effect of the filter bag on the exhaust gas.

Description

Technical Field

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

[0002] Bag dust collector is a dry dust filtering device, which is suitable for capturing fine, dry, non-fibrous dust. The filter bag is made of textile filter cloth or non-textile felt, and uses the filtering effect of fiber fabric to filter the dust-containing gas. When the dust-containing gas enters the bag dust collector, the large particles and high specific gravity dust settle down due to gravity and fall into the ash hopper. When the gas containing finer dust passes through the filter material, the dust is retained, so that the gas is purified.

[0003] The utility model patent with publication number CN 212941915 U discloses a bag dust collector. In this scheme, a chassis, a first solenoid valve, a ash hopper, a soot blowing assembly, a vibration assembly and a filter bag are arranged. The outer wall of the chassis is fixedly connected with an air outlet pipe, the outer wall of the air outlet pipe is fixedly connected with a first solenoid valve, and a soot blowing assembly is arranged on the top of the air outlet pipe. The structure is compact, the operation is simple and convenient, and the practicability is strong. Large dust particles can be filtered through a coarse filter screen, which effectively avoids clogging of the filter bag by large particles and prolongs the service life of the filter bag. The filtered gas can be controlled by using the first solenoid valve in conjunction with the air outlet pipe, and the gas can be transferred from the air outlet pipe to the inside of the chassis for back soot blowing in conjunction with the soot blowing assembly. The filter bag can be effectively cleaned by using the soot blowing assembly in conjunction with the vibration assembly, which not only saves the use cost of the equipment, but also improves the dust removal efficiency and has a good use effect.

[0004] However, there are still some shortcomings in the above scheme. In the above scheme, the bag is cleaned by back-blowing. However, during the cleaning process, the back-blowing airflow will interfere with the airflow of the exhaust gas, thereby affecting the normal filtering operation of the exhaust gas. At the same time, the back-blowing airflow will also be interfered by the forward-flowing exhaust gas, thereby affecting the cleaning effect of the filter bag. In view of this, we propose a bag-type dust collector. Utility Model Content

[0005] The utility model aims to provide a bag-type dust collector, which solves the problem that the bag is cleaned by backblowing in the prior art. However, during the cleaning process, the backblowing airflow will interfere with the airflow of the exhaust gas, thereby affecting the normal filtering operation of the exhaust gas. At the same time, the backblowing airflow will also be interfered by the forward flowing exhaust gas, thereby affecting the cleaning effect of the filter bag.

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

[0007] A bag-type dust collector comprises a box body;

[0008] A switching mechanism is provided inside the box, and the switching mechanism includes a ventilation pipe. Two ventilation pipes are provided, one end of the ventilation pipe is connected to an air intake pipe, and an end of the air intake pipe close to the ventilation pipe is rotatably connected to a baffle, and a filter bag is connected inside the box.

[0009] Preferably, the two ventilation pipes are adjacently arranged on the inner wall of the box, the ventilation pipes are in an "L"-shaped structure, and the other ends of the two ventilation pipes are arranged below the filter bag.

[0010] Preferably, a rotating rod is fixedly connected to one end of the baffle side, the rotating rod passes through the baffle, the baffle is rotatably connected to the box body through the rotating rod, an electric push rod is fixedly connected to the outer wall of the box body, the output shaft of the electric push rod passes through the box body, and the output shaft of the electric push rod is rotatably connected to the baffle.

[0011] Preferably, a dust cleaning mechanism is provided inside the box body, and the dust cleaning mechanism includes a dust slapping board, and the dust slapping board is rotatably connected inside the box body, and a return spring is fixedly connected to one end of the dust slapping board, and the dust slapping board is arranged below the filter bag.

[0012] Preferably, the ventilation pipe is internally connected with a driving blade, the top of the driving blade is fixedly connected with a driving rod, the inner wall of the box is rotatably connected with a driving frame, the inner side of the driving frame is fixedly connected with a transmission rod, and the driving rod and the ends of the transmission rod are fixedly connected with linkage gears.

[0013] Preferably, a driving block is fixedly connected to a side surface of the driving frame, the linkage gear is a bevel gear structure, the two linkage gears are arranged perpendicular to each other, and the linkage gears are meshed with each other.

[0014] Preferably, a collecting plate is fixedly connected to the inner wall of the box body, the collecting plate is arranged in an inclined state, the collecting plates are stacked end to end and connected to each other, and a dust cleaning cover is movably connected to the outer side of the box body.

[0015] By means of the above technical solution, the utility model provides a bag-type dust collector, which has at least the following beneficial effects:

[0016] (1) The utility model provides a switchable air intake structure to switch the air intake pipe during the process of filtering and dust removal of exhaust gas, so that the internal filtering structure can perform filtering and cleaning operations respectively, avoiding interference with the normal filtration of exhaust gas due to cleaning, and improving the filtering effect of exhaust gas.

[0017] (2) The utility model can effectively clean the dust on the surface of the filter bag by setting up a beating-type cleaning structure, so that the dust adhering to the surface of the filter bag can be effectively shaken off under continuous beating, thereby improving the subsequent filtering and dust removal effect of the filter bag on the exhaust gas. At the same time, the cleaning structure can be driven by the exhaust gas flow inside the air intake to achieve an automatic cleaning effect on the filter bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application:

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 The internal structure of the utility model is shown in FIG. Figure 1 ;

[0021] Figure 3 The internal structure of the utility model is shown in FIG. Figure 2 ;

[0022] Figure 4 It is an enlarged schematic diagram of point A in the utility model.

[0023] In the figure: 1. box body; 2. switching mechanism; 201. ventilation pipe; 202. air inlet pipe; 203. baffle; 204. filter bag; 205. rotating rod; 206. electric push rod; 3. dust cleaning mechanism; 301. dust slapping plate; 302. return spring; 303. driving blade; 304. driving rod; 305. driving frame; 306. transmission rod; 307. linkage gear; 308. driving block; 309. collecting plate; 310. dust cleaning cover. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0025] Example 1

[0026] A bag type dust collector, such as Figure 1-Figure 4As shown, it includes a box body 1; a switching mechanism 2 is provided inside the box body 1, and the switching mechanism 2 includes a ventilation pipe 201, and two ventilation pipes 201 are provided. One end of the ventilation pipe 201 is connected to an air inlet pipe 202, and the air inlet pipe 202 is rotatably connected to a baffle 203 at one end close to the ventilation pipe 201. A filter bag 204 is connected to the inside of the box body 1. The switching mechanism 2 can switch the ventilation pipe 201 entering the interior during the filtering of the exhaust gas, and the baffle 203 structure can block the ventilation pipe 201 to achieve the switching of the ventilation pipe 201. By switching the ventilation pipe 201, it is convenient to prevent the dust shaken off during the cleaning operation of the filter bag 204 from interfering with the filtering of the exhaust gas, thereby improving the filtering effect of the exhaust gas. The two ventilation pipes 201 are adjacently arranged on the inner wall of the box body 1, and the ventilation pipe 201 is in an "L"-shaped structure. The other ends of the two ventilation pipes 201 are both arranged on the filter bag 204. At the bottom, the ventilation pipe 201 arranged below the filter bag 204 can make the exhaust gas directly contact with the filter bag 204 after entering the air intake box 1, thereby improving the filtering effect of the exhaust gas. A rotating rod 205 is fixedly connected to one end of the side of the baffle 203, and the rotating rod 205 is arranged through the baffle 203. The baffle 203 is rotatably connected to the box 1 through the rotating rod 205. An electric push rod 206 is fixedly connected to the outer wall of the box 1. The output shaft of the electric push rod 206 is arranged through the box 1, and the output shaft of the electric push rod 206 is rotatably connected to the baffle 203. The electric push rod 206 can drive the baffle 203, and at the same time, the end of the electric push rod 206 is rotatably connected to the baffle 203 through the connecting rod. When the electric push rod 206 drives the baffle 203 to rotate, the connecting rod can slide and adjust on the baffle 203, so that the electric push rod 206 can adapt to the baffle 203 at different rotation angles.

[0027] Example 2

[0028] like Figure 1-Figure 4As shown, a dust cleaning mechanism 3 is provided inside the box body 1, and the dust cleaning mechanism 3 includes a dust slapping plate 301, which is rotatably connected to the inside of the box body 1, and a reset spring 302 is fixedly connected to one end of the dust slapping plate 301. The dust slapping plate 301 is arranged below the filter bag 204. The dust slapping plate 301 structure can slap the surface of the filter bag 204 by rotating, so that the dust accumulated on the surface of the filter bag 204 is slapped down, thereby improving the filtering effect of the subsequent filter bag 204. The ventilation pipe 201 is internally connected with a driving fan blade 303 to drive the ... The top of the moving blade 303 is fixedly connected to a driving rod 304, and the inner wall of the box body 1 is rotatably connected to a driving frame 305. The inner side of the driving frame 305 is fixedly connected to a transmission rod 306. The ends of the driving rod 304 and the transmission rod 306 are fixedly connected to a linkage gear 307. The driving blade 303 is arranged inside the ventilation pipe 201. The exhaust gas will drive the driving blade 303 to rotate during the upward flow of the exhaust gas inside the ventilation pipe 201, thereby driving the driving frame 305 to rotate continuously through the linkage gear 307. The side of the driving frame 305 is fixedly connected to The driving block 308 is connected, and the linkage gear 307 is a bevel gear structure. The two linkage gears 307 are arranged vertically to each other, and the linkage gears 307 are meshed with each other. The driving block 308 on the side of the driving frame 305 can continuously drive the dust-beating plate 301 while continuously rotating with the driving frame 305, so that the dust-beating plate 301 continuously rotates and compresses the reset spring 302. When the driving block 308 rotates to separate from the dust-beating plate 301, the dust-beating plate 301 can be driven by the continuously compressed reset spring 302 to press the filter bag 2 04 is beaten, a collecting plate 309 is fixedly connected to the inner wall of the box body 1, the collecting plate 309 is arranged in an inclined shape, and the collecting plates 309 are stacked end to end and connected to each other. A cleaning cover 310 is rotatably connected to the outer side of the box body 1, and the collecting plate 309 structure can cover the top of the filter bag 204, so as to prevent the dust shaken off the upper filter bag 204 from falling on the lower filter bag 204 due to beating the dust. At the same time, the collecting plates 309 structures are staggered with each other, and the gaps between the collecting plates 309 can facilitate the circulation of filtered gas.

[0029] When a bag-type dust collector of the utility model is in use, the exhaust gas enters the interior of the ventilation pipe 201 from the air inlet pipe 202, and after entering the interior of the box body 1, it is filtered by the filter bag 204 to filter the particulate matter in the exhaust gas, and the filtered gas is discharged from the exhaust structure at the top of the box body 1. When the filter bag 204 is blocked after being used for a long time, the electric push rod 206 is started and drives the baffle 203 to rotate the baffle 203 from one side of the air inlet pipe 202 to the other side, and the ventilation pipe 201 is switched. During the process of the exhaust gas flowing inside the ventilation pipe 201, the driving blade 303 is driven to rotate continuously, and the linkage gear 307 at the top of the driving blade 303 drives the driving frame 305 to rotate. The driving frame 305 drives the dust-slapping plate 301 to rotate through the driving block 308 on the side during the rotation, and the return spring 302 on the side of the dust-slapping plate 301 is continuously compressed. When the driving block 308 rotates to be separated from the dust-slapping plate 301, the dust-slapping plate 301 flaps the filter bag 204 under the elastic action of the return spring 302, so as to achieve the effect of cleaning the idle filter bag 204. At the same time, when the upper filter bag 204 is being beaten and cleaned, the shaken-off dust falls on the collecting plate 309, slides downward along the inclined collecting plate 309, and finally falls on the bottom end of the inner part of the box body 1. The dust inside can be processed later by opening the cleaning cover 310.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] 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 bag-type dust collector, comprising a housing (1), characterized in that: A switching mechanism (2) is provided inside the box (1), the switching mechanism (2) comprises a ventilation pipe (201), two ventilation pipes (201) are provided, one end of the ventilation pipe (201) is connected to an air intake pipe (202), one end of the air intake pipe (202) close to the ventilation pipe (201) is rotatably connected to a baffle (203), and a filter bag (204) is connected inside the box (1); A dust cleaning mechanism (3) is provided inside the box body (1), and the dust cleaning mechanism (3) comprises a dust slapping plate (301). The dust slapping plate (301) is rotatably connected inside the box body (1), and one end of the dust slapping plate (301) is fixedly connected to a return spring (302). The dust slapping plate (301) is arranged below the filter bag (204).

2. A bag-type dust collector according to claim 1, characterized in that: The two ventilation pipes (201) are arranged adjacent to each other on the inner wall of the box body (1); the ventilation pipes (201) are in an "L"-shaped structure; the other ends of the two ventilation pipes (201) are arranged below the filter bag (204).

3. A bag-type dust collector according to claim 1, characterized in that: A rotating rod (205) is fixedly connected to one end of the side surface of the baffle (203); the rotating rod (205) is arranged through the baffle (203); the baffle (203) is rotatably connected to the box body (1) via the rotating rod (205); an electric push rod (206) is fixedly connected to the outer wall of the box body (1); an output shaft of the electric push rod (206) is arranged through the box body (1); and the output shaft of the electric push rod (206) is rotatably connected to the baffle (203).

4. A bag-type dust collector according to claim 1, characterized in that: The ventilation pipe (201) is internally connected to a driving blade (303), the top end of the driving blade (303) is fixedly connected to a driving rod (304), the inner wall of the box body (1) is rotatably connected to a driving frame (305), the inner side of the driving frame (305) is fixedly connected to a transmission rod (306), and the ends of the driving rod (304) and the transmission rod (306) are both fixedly connected to a linkage gear (307).

5. A bag-type dust collector according to claim 4, characterized in that: A driving block (308) is fixedly connected to the side of the driving frame (305); the linkage gear (307) is a bevel gear structure; the two linkage gears (307) are arranged perpendicular to each other, and the linkage gears (307) are meshed with each other.

6. A bag-type dust collector according to claim 1, characterized in that: The inner wall of the box body (1) is fixedly connected with a collecting plate (309), the collecting plate (309) is arranged in an inclined shape, the collecting plates (309) are stacked and connected end to end, and the outer side of the box body (1) is movably connected with a dust cleaning cover (310).

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