A pulse bag filter for mineral powder processing

Abstract

This utility model discloses a pulse bag dust collector for mineral powder processing, relating to the field of mineral powder processing technology. The utility model includes a dust collection box, a box cover on the upper surface of the dust collection box, and a dust collection assembly on the lower surface of the box cover. The dust collection assembly includes a connecting rod connected to the lower surface of an upper annular seat, the lower end of which is connected to a lower annular seat. A filter bag fitted on the outer peripheral sidewall of the lower annular seat is fitted onto the outer peripheral sidewall of the upper annular seat, with the upper end of the filter bag rolled up onto the inner peripheral sidewall of the upper annular seat. An internally threaded body is formed on the inner peripheral sidewall of the upper annular seat, and an externally threaded body is formed on the outer peripheral sidewall of a plug located above the upper annular seat. The externally threaded body is threadedly connected to the internally threaded body. A cleaning assembly is provided on the upper surface of the box cover. This utility model, with its dust collection assembly, facilitates disassembly, cleaning, and replacement of the filter bag. The cleaning assembly also reduces the number of motors required and simplifies the operation.

Description

Technical Field

[0001] This utility model belongs to the field of mineral powder processing technology, and in particular relates to a pulse bag dust collector for mineral powder processing. Background Technology

[0002] Mineral powder plays a role in improving the strength, workability, durability and cost reduction of concrete. However, dust is generated during the processing of mineral powder. To reduce the amount of dust in the processing, it is necessary to operate a pulse bag filter to remove dust, so as to ensure the working environment and reduce the adverse effects on the health of workers.

[0003] A search revealed a pulse-jet bag filter disclosed in patent publication number CN221693072U, belonging to the field of dust collector technology. The filter includes a dust collection box with support frames fixedly connected to both sides of its bottom. A dust inlet valve is connected to the lower part of one side of the dust collection box, and an air outlet is connected to the upper side. A support mesh frame is fixedly connected to the inner wall of the connection between the dust collection box and the air outlet. A filter bag is fixedly connected to the outer wall of the support mesh frame. A pulse valve tube is inserted through one side of the air outlet, and a rotating tube is rotatably connected to the lower end of the pulse valve tube via a rotating sleeve. A rotating mechanism is provided on the pulse valve tube and the rotating tube. This rotating mechanism drives an L-shaped jet pipe to move in a circular motion along the inner wall of the filter bag, enabling comprehensive cleaning and better dust removal. A cleaning mechanism is also included, which drives an L-shaped cleaning brush to move in a circular motion to clean the filter surface of the filter bag, further improving the cleaning effect.

[0004] In the aforementioned pulse jet baghouse dust collector, a support frame is fixedly connected to the inner wall of the connection between the dust collection box and the air outlet. A filter bag is fixedly connected to the outer wall of the support frame, shaping the filter bag into a cylindrical form. However, the fixed connection between the support frame and the filter bag makes it inconvenient to independently replace damaged filter bags or to independently clean them. Furthermore, a pulse valve pipe is inserted through one side of the air outlet, connected to compressed pulse gas. The lower end of the pulse valve pipe is rotatably connected to a rotating pipe via a rotating sleeve. A rotating mechanism is provided on the pulse valve pipe and the rotating pipe. The lower end of the rotating pipe extends into the filter bag and is connected to an L-shaped blowpipe, through which the ejected gas sprays onto the filter bag. The dust collector is equipped with a cleaning mechanism that abuts against the outer wall of the filter bag. A PLC controller is fixedly connected to one side of the dust collector, and the PLC controller is electrically connected to both the rotating mechanism and the cleaning mechanism. It is powered by an external power supply via a plug wire, making operation convenient and in line with existing technology. A dust discharge valve is connected to the bottom of the dust collector to discharge filtered dust. The rotating mechanism includes a mounting housing fixed to the upper side of the pulse valve tube. A first motor is fixedly connected to the upper side of the mounting housing, and the main shaft of the first motor extends through the mounting housing and is fixedly connected to a drive gear. A driven gear, meshing with the drive gear, is fixedly connected to the rotating tube. The first motor is activated... When the motor operates, the meshing of the driving gear and driven gear drives the driven gear to rotate, which in turn drives the L-shaped blowpipe on the rotating tube to move in a circular motion along the inner wall of the dust bag, allowing for comprehensive cleaning and better dust removal. A through hole is provided on the lower side of the mounting housing, through which the rotating tube passes. The through hole is rotatably connected to the rotating tube via a bearing, facilitating its rotation. The cleaning mechanism includes a second motor fixed to one side of the dust collection box and a horizontal cylinder fixed to the inner wall of the dust collection box. The main shaft of the second motor passes through the horizontal cylinder and is fixedly connected to a rotating rod, with a first helical gear fixedly connected to one end of the rotating rod. A pivot pin is inserted into and rotatably connected to the upper side of the horizontal cylinder, and the pivot pin... A second helical gear is fixedly connected to the first helical gear, and an L-shaped cleaning brush is fixedly connected to the upper end of the pivot pin. The L-shaped cleaning brush is set against the outer wall of the dust bag. When cleaning the dust bag, the second motor is started, which drives the rotating rod to rotate. Since the first and second helical gears mesh, the pivot pin is driven to rotate, which can drive the L-shaped cleaning brush to perform a circular motion to clean the filter surface of the dust bag, thus improving the cleaning effect of the dust bag. However, in the process of cleaning the dust on the inner and outer walls of the dust bag, multiple motors need to be operated in sequence to clean the dust on the inner and outer walls of the dust bag at the same time, which increases the number of operation steps.

[0005] To address these issues, we provide a pulse jet bag filter for mineral powder processing. Utility Model Content

[0006] The purpose of the present utility model is to provide a pulse bag type dust collector for ore powder processing. By setting a dust removal component, it is convenient for the disassembly, cleaning and replacement of the dust filter bag, and by setting a cleaning component, the number of motors is reduced, thus simplifying the operation steps, and further solving the technical problems put forward in the background technology of a pulse bag type dust collector as mentioned above.

[0007] To solve the above technical problems, the present utility model is realized through the following technical solutions:

[0008] The present utility model is a pulse bag type dust collector for ore powder processing, including a dust removal box. A box cover is arranged on the upper surface of the dust removal box. A dust removal component is arranged on the lower surface of the box cover. The dust removal component includes a connecting rod connected to the lower surface of the upper annular seat. The lower end of the connecting rod is connected to a lower annular seat. A dust filter bag sleeved on the outer peripheral side wall of the lower annular seat is sleeved on the outer peripheral side wall of the upper annular seat. The upper end of the dust filter bag is turned up on the inner peripheral side wall of the upper annular seat. An internal thread body is arranged on the inner peripheral side wall of the upper annular seat. An external thread body is arranged on the outer peripheral side wall of a plug cover arranged above the upper annular seat. The external thread body is threadedly connected to the internal thread body. A cleaning component is arranged on the upper surface of the box cover. The cleaning component includes a connecting frame connected to the inner side wall of the plug cover. A rotating shaft connected to the upper surface of the connecting frame is rotatably connected to the middle of the box cover. A motor connected to the upper end of the rotating shaft is connected to a machine frame on its upper end surface. The machine frame is connected to the upper surface of the box cover.

[0009] The present utility model is further set as that there are convex rods arranged in a rectangular array on the upper surface of the dust removal box. The upper ends of the convex rods penetrate through the lower surface of the box cover. Nuts threadedly connected to the peripheral side walls of the convex rods are abutted against the upper surface of the box cover.

[0010] The present utility model is further set as that a valve is connected to the side wall of an air inlet pipe communicated with the side wall of the dust removal box. A valve is connected to the side wall of a dust discharge pipe communicated with the lower surface of the dust removal box. There are symmetrically connected brackets on two side walls of the dust removal box.

[0011] The present utility model is further set as that an air outlet cylinder in a shape of a Chinese character 'hui' is communicated with the upper surface of the box cover. A filter plate is sleeved on the upper surface of the air outlet cylinder.

[0012] The present utility model is further set as that a cover plate is penetrated and arranged on the side wall of the dust removal box. The cover plate is locked and connected to the side wall of the dust removal box by bolts.

[0013] The present utility model is further set as that the connecting rods are arranged in a circular array. The length of the internal thread body is equal to the length of the external thread body. The length of the internal thread body is half of the height of the upper annular seat. The plug cover is of a hollow structure.

[0014] The present invention is further configured such that the upper surface of the connecting ring connected to the upper surface of the plug cover has balls arranged in a ring array, and the lower surface of the box cover has an annular groove, with the balls movably disposed inside the annular groove.

[0015] The present invention is further configured such that the cleaning brush connected to the lower surface of the cover is L-shaped, the cleaning brush contacts the outer wall of the dust bag, a pulse tube is rotatably connected to the lower surface of the dust bag, the lower end of the pulse tube penetrates the inner wall of the dust collection box, a valve is connected to the side wall of the pulse tube, the upper end of the pulse tube is connected to a connecting pipe that is L-shaped, a nozzle connected to the side wall of the connecting pipe faces the inner wall of the dust bag, and both ends of the connecting pipe are closed.

[0016] This utility model has the following beneficial effects:

[0017] This utility model features a dust removal component. By rotating the plug clockwise, the external threaded body separates from the internal threaded body, releasing the restriction on the upper position of the dust bag and allowing the dust bag to be disassembled for cleaning. Conversely, rotating the plug clockwise completes the placement of the dust bag, thus facilitating the disassembly, cleaning, and replacement of the dust bag.

[0018] This invention features a cleaning assembly that, when the motor is started, causes the shaft to rotate, the connecting frame to rotate, the plug to rotate, the upper annular seat to rotate, the connecting rod to rotate, the lower annular seat to rotate, and the dust bag to rotate. The cleaning brush cleans the dust on the outer wall of the dust bag, while the gas sprayed from the nozzle cleans the dust on the inner wall of the dust bag. This reduces the number of motors required for operation, thereby simplifying the work process. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below:

[0020] Figure 1 A three-dimensional schematic diagram of a pulse bag filter for mineral powder processing. Figure 1 ;

[0021] Figure 2 for Figure 1 Enlarged schematic diagram of the structure at point A in the middle;

[0022] Figure 3 A three-dimensional schematic diagram of a pulse bag filter for mineral powder processing. Figure 2 ;

[0023] Figure 4 This is an exploded view of the dust removal component.

[0024] Figure 5 for Figure 4 Enlarged schematic diagram of the structure at point B;

[0025] Figure 6 This is a schematic cross-sectional view of the dust filter bag.

[0026] Figure 7 Disassembly diagram of the box cover, motor, and plug. Figure 1 ;

[0027] Figure 8 Disassembly diagram of the box cover, motor, and plug. Figure 2 ;

[0028] Figure 9 An exploded view of the box cover, dust filter bag, cleaning brush, pulse tube and connecting pipe;

[0029] The attached diagram lists the components represented by each number as follows:

[0030] 1-Dust collector, 101-Cover, 101a-Annular groove, 102-Outlet duct, 102a-Filter plate, 102b-Dust inlet pipe, 103-Cover plate, 103a-Bolt, 104-Bracket, 104a-Dust discharge pipe, 104b-Valve, 105-Protruding rod, 105a-Nut, 2-Cleaning assembly, 201-Motor, 201a-Frame, 201b-Shaft, 202-Pulse tube, 202a-Connecting pipe, 202b-Nozzle, 202c-Cleaning brush, 203-Connecting frame, 3-Dust collector assembly, 301-Dust filter bag, 302-Upper annular seat, 302a-Connecting rod, 302b-Lower annular seat, 302c-Internal thread body, 303-Plug, 303a-Connecting ring, 303b-Ball bearing, 303c-External thread body. Detailed Implementation

[0031] 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 skilled in the art without creative effort are within the protection scope of the present utility model. Example 1

[0032] Please see Figure 1 , Figure 2 and Figure 3This utility model is a pulse bag dust collector for mineral powder processing, including a dust collection box 1, a box cover 101, an air outlet duct 102, a filter plate 102a, a dust inlet pipe 102b, a cover plate 103, bolts 103a, a bracket 104, a dust discharge pipe 104a, a valve 104b, a protruding rod 105 and a nut 105a. The air outlet duct 102 is used to discharge the gas after dust collection. The dust inlet pipe 102b is used to guide mineral powder dust into the interior of the dust collection box 1. The dust discharge pipe 104a is used to discharge the dust cleaned out of the interior of the dust collection box 1. The cover plate 103 is provided to facilitate the inspection and maintenance of the internal components of the dust collection box 1.

[0033] Specifically, a cover 101 is provided on the upper surface of the dust collector 1, and a protruding rod 105 is connected to the upper surface of the dust collector 1. The upper end of the protruding rod 105 penetrates the lower surface of the cover 101. A nut 105a is threaded onto the peripheral wall of the protruding rod 105, and the nut 105a abuts against the upper surface of the cover 101. An air outlet duct 102 is connected to the upper surface of the cover 101, and a filter plate 102a is sleeved on the upper surface of the air outlet duct 102. The dust inlet pipe 102b is connected to the side wall of the dust collector 1, and a valve 104b is connected to the dust inlet pipe 102b. The cover plate 103 is locked to the side wall of the dust collector 1 by bolts 103a. The bracket 104 is connected to the lower surface of the dust collector 1. The dust outlet pipe 104a is connected to the lower surface of the dust collector 1, and a valve 104b is connected to the dust outlet pipe 104a. An annular groove 101a is provided on the lower surface of the cover 101.

[0034] Furthermore, the bolts 103a are arranged in a rectangular array, and the protruding rods 105 are arranged in a rectangular array;

[0035] The operation process of this embodiment is as follows: Place the bracket 104 on the mineral powder processing site, place the dust collector 1 stably on the mineral powder processing site, and the dust enters the interior of the dust collector 1 through the dust inlet pipe 102b. The treated gas is discharged through the filter plate 102a, and the cleaned dust is discharged through the dust outlet pipe 104a. Loosen the bolt 103a clockwise, remove the cover plate 103 from the dust collector 1, and inspect the components inside the dust collector 1. Example 2

[0036] Please see Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8Based on the first specific embodiment, a dust removal component 3 is provided. The dust removal component 3 includes a dust filter bag 301, an upper annular seat 302, a connecting rod 302a, a lower annular seat 302b, an internally threaded body 302c, a plug 303, a connecting ring 303a, a ball bearing 303b, and an externally threaded body 303c. The dust filter bag 301 is provided to handle dust in mineral powder processing. Rotating the plug 303 can limit or unlock the upper position of the dust filter bag 301, thereby facilitating the disassembly and assembly of the dust filter bag 301.

[0037] Specifically, a connecting rod 302a is connected to the lower surface of the upper annular seat 302, and the lower end of the connecting rod 302a is connected to the lower annular seat 302b. A dust filter bag 301 is fitted on the outer peripheral sidewall of the lower annular seat 302. The dust filter bag 301 is fitted on the outer peripheral sidewall of the upper annular seat 302, and the upper end of the dust filter bag 301 is rolled up on the inner peripheral sidewall of the upper annular seat 302. An internal thread body 302c is opened on the inner sidewall of the upper annular seat 302, and an external thread body 303c is opened on the outer peripheral sidewall of the plug 303. The external thread body 303c is threadedly connected to the inside of the internal thread body 302c. A connecting ring 303a is connected to the upper surface of the plug 303, and a ball 303b is provided on the upper surface of the connecting ring 303a. The ball 303b is movably disposed inside the annular groove 101a.

[0038] Furthermore, the connecting rod 302a is arranged in a ring array, the ball bearings 303b are arranged in a ring array, the plug 303 has a hollow structure, the length of the internal thread body 302c is half the height of the upper ring seat 302, and the length of the internal thread body 302c is equal to the length of the external thread body 303c.

[0039] The operation process of this embodiment is as follows: the mineral powder dust passes through the inside of the dust collector 1 and is filtered by the filter dust bag 301. The gas passes through the filter dust bag 301 and moves upward, while the dust is trapped by the filter dust bag 301. The plug 303 is rotated clockwise, and the external thread body 303c moves out of the inside of the internal thread body 302c. The plug 303 is removed from the upper annular seat 302, releasing the position restriction on the upper part of the filter dust bag 301. The filter dust bag 301 is then removed from the upper annular seat 302 for cleaning. Conversely, the placement of the filter dust bag 301 is completed. Example 3

[0040] Please see Figure 1 , Figure 3 , Figure 7 , Figure 8 and Figure 9Based on specific embodiments one and two, a cleaning component 2 is provided. The cleaning component 2 includes a motor 201, a frame 201a, a rotating shaft 201b, a pulse tube 202, a connecting pipe 202a, a nozzle 202b, a cleaning brush 202c, and a connecting frame 203. By controlling the motor 201, the connecting frame 203 is rotated, thereby causing the dust bag 301 to rotate. This reduces the number of motors 201 required to start, thus simplifying the operation steps.

[0041] Specifically, the connecting frame 203 is connected to the inner wall of the plug cover 303, the frame 201a is connected to the upper surface of the box cover 101, the motor 201 is connected to the inner top of the frame 201a, and the lower end face of the motor 201 is connected to the rotating shaft 201b. The rotating shaft 201b is rotatably connected to the middle of the box cover 101 and the middle of the filter plate 102a. The upper end of the pulse tube 202 is rotatably connected to the middle of the lower surface of the dust bag 301. The lower end of the pulse tube 202 penetrates the inner wall of the dust collection box 1. A valve 104b is connected to the side wall of the pulse tube 202. The upper surface of the cleaning brush 202c is connected to the lower surface of the box cover 101, and the cleaning brush 202c contacts the outer wall of the dust filter bag 301. The connecting pipe 202a is connected to the upper end of the pulse tube 202, and a nozzle 202b is connected to the side wall of the connecting pipe 202a. The nozzle 202b faces the inner wall of the dust filter bag 301.

[0042] Furthermore, the frame 201a is U-shaped, the connecting pipe 202a is L-shaped, the cleaning brush 202c is L-shaped, and the connecting frame 203 is cross-shaped;

[0043] The operation process of this embodiment is as follows: start motor 201, rotate shaft 201b, connect frame 203 rotates, ball bearing 303b moves along annular groove 101a, plug 303 rotates, upper annular seat 302 rotates, connecting rod 302a rotates, lower annular seat 302b rotates, dust bag 301 rotates, and cleaning brush 202c cleans the dust on the outer wall of the rotating dust bag 301. Pulse tube 202 introduces gas into nozzle 202b, and the gas inside nozzle 202b is sprayed onto the inner wall of dust bag 301 to clean the dust on the inner wall of dust bag 301.

[0044] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

Claims

1. A pulse-jet bag filter for mineral powder processing, comprising a dust collection box (1), wherein a cover (101) is provided on the upper surface of the dust collection box (1), characterized in that: A dust removal assembly (3) is provided on the lower surface of the box cover (101). The dust removal assembly (3) includes a connecting rod (302a) connected to the lower surface of the upper annular seat (302). The lower end of the connecting rod (302a) is connected to the lower annular seat (302b). A dust filter bag (301) is sleeved on the outer peripheral sidewall of the lower annular seat (302b) and sleeved on the outer peripheral sidewall of the upper annular seat (302). The upper end of the dust filter bag (301) is rolled up on the inner peripheral sidewall of the upper annular seat (302). An internal thread body (302c) is provided on the inner peripheral sidewall of the upper annular seat (302). An external thread body (303c) is provided on the outer peripheral sidewall of the plug (303) provided above the upper annular seat (302). The external thread body (303c) is threadedly connected to the internal thread body (302c). A cleaning assembly (2) is provided on the upper surface of the box cover (101). The cleaning assembly (2) includes a connecting frame (203) connected to the inner side wall of the plug cover (303). A rotating shaft (201b) connected to the upper surface of the connecting frame (203) is rotatably connected to the middle of the box cover (101). A frame (201a) is connected to the upper end of a motor (201) connected to the upper end of the rotating shaft (201b). The frame (201a) is connected to the upper surface of the box cover (101).

2. A pulse-jet baghouse for processing mineral fines according to claim 1, characterized in that: The dust collector (1) has protruding rods (105) arranged in a rectangular array on its upper surface. The upper end of the protruding rods (105) penetrates the lower surface of the cover (101). Nuts (105a) threaded on the peripheral sidewall of the protruding rods (105) abut against the upper surface of the cover (101).

3. A pulse-jet baghouse for processing mineral fines according to claim 2, characterized in that: A valve (104b) is connected to the side wall of the dust collection box (1) through the dust inlet pipe (102b), and a valve (104b) is connected to the side wall of the dust discharge pipe (104a) connected to the lower surface of the dust collection box (1). There are symmetrically connected brackets (104) on the two side walls of the dust collection box (1).

4. A pulse-jet baghouse for processing mineral fines according to claim 2, characterized in that: The upper surface of the box cover (101) is connected to an air outlet (102) in the shape of a U-shape, and a filter plate (102a) is sleeved on the upper surface of the air outlet (102).

5. A pulse-jet baghouse for processing mineral fines according to claim 2, characterized in that: A cover plate (103) is provided through the side wall of the dust collector (1), and the cover plate (103) is locked to the side wall of the dust collector (1) by bolts (103a).

6. A pulse-jet baghouse for processing mineral fines according to claim 1, characterized in that: The connecting rods (302a) are arranged in a ring array. The length of the internal thread body (302c) is equal to the length of the external thread body (303c). The length of the internal thread body (302c) is half the height of the upper ring seat (302). The plug (303) has a hollow structure.

7. A pulse-jet bag filter for mineral powder processing according to claim 1, characterized in that: The upper surface of the connecting ring (303a) connected to the upper surface of the plug (303) has balls (303b) arranged in a ring array. The lower surface of the box cover (101) has an annular groove (101a), and the balls (303b) are movably disposed inside the annular groove (101a).

8. A pulse-jet baghouse for processing mineral fines according to claim 1, characterized in that: The cleaning brush (202c) connected to the lower surface of the cover (101) is L-shaped. The cleaning brush (202c) contacts the outer wall of the dust bag (301). A pulse tube (202) is rotatably connected to the lower surface of the dust bag (301). The lower end of the pulse tube (202) penetrates the inner wall of the dust collection box (1). A valve (104b) is connected to the side wall of the pulse tube (202). The connecting pipe (202a) connected to the upper end of the pulse tube (202) is L-shaped. The nozzle (202b) connected to the side wall of the connecting pipe (202a) faces the inner wall of the dust bag (301). Both ends of the connecting pipe (202a) are closed.

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