Automatic ash cleaning and discharging device for mining dry dust collector

Abstract

The utility model discloses an automatic ash cleaning and discharging device for a mine dry dust collector, which is mounted in the mine dry dust collector and comprises a vibrator, a quick-release filter cartridge, a back flushing pipeline, a pattern plate, a vibrator control switch, a pulse valve, an air storage tank and a back flushing ash cleaning button, the pattern plate is supported in the dust collector, and the vibrator and the quick-release filter cartridge are arranged on the pattern plate. A nozzle of the blowback pipeline corresponds to the upper position of each quick-release filter cartridge, and the gas storage tank is connected with the nozzle of the blowback pipeline through a pulse valve. According to the mine dry type dust collector, pulse back flushing and vibration dust cleaning are combined together, tests prove that the dust cleaning effect is efficient, the dust cleaning time is shortened, the dust cleaning effect is improved, the service life of the filter cartridge is prolonged, and the mine dry type dust collector is simple in structure, convenient to operate and maintain, strong in functionality and high in practicability. And the working efficiency of the mining dry dust collector is greatly improved, and the use and maintenance cost is saved for the majority of users.

Description

Technical Field

[0001] The utility model relates to the technical field of equipment related to a dry dust collector for mining, in particular to a pulse back-blowing vibration dust cleaning and dust discharging device for a dry dust collector for mining. Background Art

[0002] Mining dry dust collectors are important equipment for dust removal at concentrated dust-generating points such as mines, tunneling working faces, powder transfer points, rock crushing points, drilling and blasting working faces, and dust explosion hazardous places, and they undertake the important task of dust control. The dust particles at each dust-generating point are of different sizes, humidity, and viscosity. After being sucked in by the mining dry dust collector, they adhere to the outer wall of the filter cartridge and are not easy to fall off and remove, causing the filter cartridge to be blocked, which directly affects the dust removal effect. Most mining dry dust collectors on the market currently use a single pulse backwash cleaning method. The air supply pressure, dust humidity, and dust amount have a greater impact on the cleaning effect. The dust on the outer wall of the filter cartridge is not easy to clean, causing the dust to accumulate thicker and thicker, which directly affects the dust removal effect. Secondly, the dust cleaned by the existing backwashing is discharged as it is cleaned. The problem with this method is that the dust that falls off from the filter cartridge by vibration and the dust cleaned by backblowing are always discharged during operation, which means that the transmission belt used for dust output needs to be rotating all the time, which not only affects the dust removal effect of the mining dry dust collector, but also increases the cost of dust cleaning, collection and output. Utility Model Content

[0003] In view of the problems existing in the above-mentioned prior art, the utility model provides an automatic dust cleaning and dust discharging device for a dry dust collector for mining, which can improve the dust removal effect, prolong the service life of the filter cartridge, has a simple structure, and is easy to operate and maintain.

[0004] The technical solution adopted by the utility model for the technical problem to be solved is: an automatic dust cleaning and dust discharging device for a dry dust collector for mining, the automatic dust cleaning and dust discharging device comprises a flower plate supported and fixed inside the dust collector, a quick-release filter cartridge and a vibrator arranged at intervals on the flower plate, back-blowing pipelines are arranged on the support plates on both sides of the frame of the dry dust collector for mining, the nozzles arranged on the back-blowing pipelines correspond to the upper position of each quick-release filter cartridge, one end of the back-blowing pipeline is connected to the air storage tank through a pulse valve, the pulse valve is installed on the air storage tank, the vibrator control switch and the back-blowing cleaning button are installed in a convenient operating position; the dust discharging device is arranged directly below the quick-release filter cartridge, and an ash discharging device is arranged below the ash discharging device Dust output belt, the ash discharge device includes a plurality of ash collectors arranged at intervals, the ash collectors have a left ash collecting plate, a right ash collecting plate and a transition plate, the two ends of the transition plate are respectively smoothly connected with one end of the left ash collecting plate and the right ash collecting plate to form a trapezoidal shell with an inclined cross-section, the lower end of the right ash collecting plate and the lower end of the adjacent left ash collecting plate are formed with ash discharge ports, a limiting rod is arranged between the lower end of the right ash collecting plate and the lower end of the adjacent left ash collecting plate, a gate plate which can close and open the ash discharge port under the action of external force is fixed at the lower end of the right ash collecting plate, the gate plate is made of a silicone plate with a Shore hardness of 40-70, the upper end of the gate plate is fixed on the right collecting plate, the lower end is a free end and is provided with an electromagnetic strip.

[0005] Turning on the vibrator control switch can control the start and stop of the vibrator. When the vibrator is turned on, the vibration force is transmitted to each quick-release filter cartridge through the flower plate, so that the dust is quickly and continuously removed through vibration. The back-blowing cleaning button can control the opening and closing of the pulse valve. When the pulse valve is opened, compressed air can be quickly ejected from the nozzle of the back-blowing pipeline, causing the filter cartridge to expand under pressure and blowing the dust off the outer wall of the filter cartridge.

[0006] Furthermore, the vibrator control switch is a panel-type 304 quick-tightening ball valve.

[0007] The pulse back-blowing plus vibration cleaning method can effectively clean the dust adhering to the outer wall of the filter cartridge and the inner wall of the dust collector. Because the vibrator and the quick-release filter cartridge are installed on the flower plate, the flower plate is welded inside the dry dust collector. After the vibrator is turned on (the vibration force can be adjusted by the vibrator control switch), the vibration force is directly transmitted to the flower plate and the filter cartridge, and can also be transmitted to the entire inner wall of the dry dust collector, so that the dust adhering to the outer wall of the filter cartridge and the inner wall of the dust collector falls off or loosens under the action of vibration. At this time, the lower end of the gate is sucked up by the magnetic force when the power is turned on and swings tightly to the left and right sides. At the lower end of the ash plate, the ash discharge port is closed, and the dust generated by vibration and shedding before back-blowing cleaning falls into the closed ash discharge port. After the vibrator has worked for a period of time, the vibrator is turned off, and the back-blowing cleaning button is pressed. The back-blowing tube uses pulse back-blowing to quickly release compressed air above the filter cartridge, so that the filter cartridge is compressed and expanded, and the dust on the outer wall of the filter cartridge is blown down at the same time. At this time, the lower end of the gate loses its magnetic force when the power is turned off and is separated from the lower end of the left ash collecting plate under the action of back-blowing, so that the ash discharge port is opened, and the dust generated by vibration and shedding before back-blowing cleaning falls into the dust output belt through the ash discharge port. In other words, before back-blowing cleaning, the ash discharge port is closed, and the dust generated by vibration and shedding falls into the closed ash discharge port, and the dust will not fall onto the dust output belt. When the dust in the closed ash discharge port reaches the set amount, the vibrator is turned off, and the back-blowing cleaning button is pressed. The gate loses its magnetic force when the power is turned off and is separated from the lower end of the left ash collecting plate under the action of back-blowing, so that the ash discharge port is opened for ash discharge, and the dust falls onto the dust output belt for output.

[0008] The utility model adds an automatic dust discharging device to an existing dust collector having an automatic dust cleaning device, so that the two are organically combined to form a dry dust collector for mining. Experiments have proved that the combination of the two has a high cleaning effect, which not only shortens the cleaning time and improves the dust removal effect, but also prolongs the service life of the filter cartridge. The utility model is not only simple in structure, easy to operate and maintain, and has strong functionality, but also greatly improves the working efficiency of the dry dust collector for mining, saving the use and maintenance costs for the majority of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural schematic diagram of the utility model.

[0010] Figure 2 yes Figure 1 A-direction local structure diagram,

[0011] Figure 3 yes Figure 1 II is a schematic diagram of the structure of the ash discharge device with the partial ash discharge port opened.

[0012] Figure 4 yes Figure 1 II is a schematic diagram of the structure of the ash discharge device with the local ash discharge port closed.

[0013] Figure 5 yes Figure 3 Schematic diagram of the C-direction local structure.

[0014] In the figure, 1. vibrator 2. quick-release filter cartridge 3. back-blowing pipeline 4. flower plate 5. vibrator control switch 6. pulse valve 7. air storage tank 8. back-blowing cleaning button 9. dust collector 10. nozzle 11. frame 12. support plate 13. left ash collecting plate 14. transition plate 15. right ash collecting plate 16. nut 17. screw 18. ash discharge port 19. limit rod 20. gate plate 21. electromagnetic strip. DETAILED DESCRIPTION

[0015] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings.

[0016] As shown in the figure, the automatic dust cleaning and dust discharging device of the mining dry dust collector comprises a vibrator 1, a quick-release filter cartridge 2, a back-blowing pipeline 3, a flower plate 4, a vibrator control switch 5, a pulse valve 6, an air tank 7, and a back-blowing cleaning button 8; the flower plate 4 is supported inside the dust collector 9, the vibrator 1 and the quick-release filter cartridge 2 are arranged on the flower plate 4, the back-blowing pipeline 3 is connected to the support plates 12 on both sides of the frame 11 of the dust collector, the nozzle at the bottom of the back-blowing pipeline 3 corresponds to the upper position of each quick-release filter cartridge 2, and the air tank 7 is connected to the back-blowing pipeline 3 through a pulse valve; the pulse valve 6 is installed on the air tank 7, the vibrator control switch 5 and the back-blowing cleaning button 8 Installed in an obviously visible and easy-to-operate position on the mining dry dust collector, the vibrator control switch 5 and the vibrator 1 are electrically connected. Turning on the vibrator control switch 5 can control the start and stop of the vibrator 1. When the vibrator 1 is turned on, the vibration force is transmitted to each quick-release filter cartridge 2 through the flower plate, so that the dust is quickly and continuously removed through vibration (multiple vibrators 1 can be installed according to the area of ​​the flower plate 4). The back-blowing cleaning button 8 is also electrically connected to the control pulse valve 6. The back-blowing cleaning button 8 can control the opening and closing of the pulse valve 6. When the pulse valve 6 is opened, compressed air can be quickly ejected from the nozzle 10 of the back-blowing pipeline 3, so that the filter cartridge is pressurized and expanded, and the dust on the outer wall of the filter cartridge is blown off at the same time. The back-blowing pipeline is welded by galvanized or 304 stainless steel pipelines; the vibrator is a seated piston vibrator; the vibrator control switch is a panel-type 304 quick-tightening ball valve; the flower plate is a Q235 steel plate or a 304 stainless steel plate with holes for installing a quick-release filter cartridge; the quick-release filter cartridge is installed in the dust collector 9 in a quick-release installation manner, without bolt fastening, and is sealed by a sealing ring.The ash discharge device is arranged directly below the quick-release filter cartridge 2, and a dust output belt driven by a roller is arranged below the ash discharge device (not shown in the figure). The ash discharge device includes a plurality of ash collectors arranged at intervals, and the ash collectors have a left ash collecting plate 13, a right ash collecting plate 15 and a transition plate 14. The two ends of the transition plate are respectively smoothly connected with one end of the left ash collecting plate and the right ash collecting plate to form a trapezoidal shell with an inclined cross section (the shell is made as a whole at one time), and the shell wall thickness is 1.5-2 mm). The lower end of the right ash collecting plate 15 and the lower end of the adjacent left ash collecting plate 13 form an ash discharge port 18, and a limit rod 19 is arranged between the lower end of the right ash collecting plate and the lower end of the adjacent left ash collecting plate ( To prevent the ash discharge port from bulging in the middle when the gate is closed with the gate), a gate 20 is fixed at the lower end of the right ash collecting plate, which can close or open the ash discharge port under the action of external force. The gate is made of a silicone plate with a Shore hardness of 40-70 (which has both certain strength and good elasticity). The upper end of the gate is fixed to the right ash collecting plate with a nut 16 and a screw 17, and the lower end of the gate is a free end and is provided with an electromagnetic strip 21. The width of the ash discharge port is 8-12 mm, and the lower end of the gate is swung to the right to the lower end of the left ash collecting plate under the action of magnetic force and closes the ash discharge port. During backblowing cleaning, the electromagnetic strip is powered off, and the lower end of the gate is separated from the lower end of the left ash collecting plate by utilizing the resilience of the gate, and the ash discharge port is opened.

[0017] The above description is a further detailed description of the present invention in combination with a specific preferred embodiment. Any changes or substitutions made without departing from the principle and concept of the present invention should be deemed to belong to the protection scope of the present invention.

Claims

1. An automatic dust cleaning and dust discharging device for a dry dust collector for use in a mine, the automatic dust cleaning and dust discharging device comprising a flower plate (4) supported and fixed inside the dust collector, a quick-release filter cartridge (2) and a vibrator (1) arranged at intervals on the flower plate, a back-blowing pipeline (3) being arranged on support plates (12) on both sides of a frame (11) of the dry dust collector for use in a mine, a nozzle (10) being arranged on the back-blowing pipeline corresponding to a position above each quick-release filter cartridge, one end of the back-blowing pipeline being connected to an air storage tank (7) via a pulse valve (6), the pulse valve being installed on the air storage tank, a vibrator control switch (5) and a back-blowing cleaning button being installed at a convenient operation position, wherein: The ash discharge device is arranged directly below the quick-release filter cartridge, and a dust output belt is arranged below the ash discharge device. The ash discharge device includes a plurality of ash collectors arranged at intervals, and the ash collectors have a left ash collecting plate (13), a right ash collecting plate (15) and a transition plate (14). The two ends of the transition plate are respectively smoothly connected to one end of the left ash collecting plate and the right ash collecting plate to form a trapezoidal shell with an inclined cross-section. The lower end of the right ash collecting plate and the lower end of the adjacent left ash collecting plate form an ash discharge port (18). A limit rod (19) is arranged between the lower end of the right ash collecting plate and the lower end of the adjacent left ash collecting plate. A gate plate (20) is fixedly arranged at the lower end of the right ash collecting plate (15) and can close and open the ash discharge port under the action of external force. The gate plate is made of a silicone plate with a Shore hardness of 40-70. The upper end of the gate plate is fixed to the right ash collecting plate, and the lower end is a free end and is provided with an electromagnetic strip (21).

2. The automatic dust cleaning and dust discharging device for a dry dust collector for mining according to claim 1 is characterized in that: The vibrator (1) is a seated piston vibrator.

3. The automatic dust cleaning and dust discharging device for a dry dust collector for mining according to claim 1 is characterized in that: The vibrator control switch (5) is a panel-type 304 quick-tightening ball valve.

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