A wet pneumatic dust collector for mining

Abstract

The utility model relates to the technical field of ventilation and dust removal, and in particular to a wet pneumatic dust collector for mining, which includes a box body with a sewage pipe at the bottom, a spray pipe, a water pump, a fan, an air intake pipe, a filter assembly and a cleaning assembly. An anode tube is arranged in the box body, and a cathode plate is arranged in the anode tube to divide the inner side of the anode tube into two chambers; the nozzle of the spray pipe is located in the chamber of the anode tube; the water pump is connected to the water tank and the spray pipe; the fan is connected to the box body through the air extraction pipe at its air intake end; the air intake pipe is connected to the inside of the box body, and the air intake pipe mouth is located between the anode tube and the sewage pipe; the filter assembly is connected to the air intake pipe; the cleaning assembly is located in the filter assembly, and the filter assembly is self-cleaned when the outside air flows along the inside of the air intake pipe. The utility model first filters out large particles of impurities in the air separately, and then removes fine dust, thereby improving the dust removal efficiency and reducing the working intensity of the whole machine.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation and dust removal, in particular to a wet pneumatic dust collector for mining. Background Art

[0002] The air in the mine contains a lot of dust, which will affect the transmission of light, resulting in unclear vision for workers. As the dust concentration increases, the health of workers will also be harmed. Therefore, dust collectors need to be installed in the mine, but the dust removal efficiency of existing dust collectors is generally not high.

[0003] A Chinese patent with authorization announcement number CN218707490U discloses a multi-chamber module wet pneumatic dust collector for mining. Through the spray mechanism, the dynamic rotation makes the inner cavity of the spray mechanism receive the mist without dead corners. Secondly, the rotating spray makes the mist droplets have a vector angle with the axial flow dust particles in the dust-mist mixing chamber, making the two easy to combine and improving the purification rate.

[0004] However, the device still has some shortcomings: the device processes large impurities and small dust particles at one time, which increases the load of the entire device, and when the device uses spray to clean fine particles in the air, the fine particles are easily combined with the mist droplets and adhere to the inner wall of the device, and cannot be directly discharged from the sewage collection pipe. Utility Model Content

[0005] The utility model aims to solve the problems existing in the background technology and proposes a wet pneumatic dust collector for mining.

[0006] The technical solution of the utility model is: a wet pneumatic dust collector for mining, comprising a box body with a sewage discharge pipe at the bottom, an anode tube is arranged in the box body, and a cathode plate is arranged in the anode tube to divide the inner side of the anode tube into two chambers;

[0007] A spray pipe, the nozzle of which is located in the chamber of the anode tube, so as to flush down the dirt on the inner wall of the anode tube and the surface of the cathode plate through spraying water from the nozzle;

[0008] A water pump is connected to the water tank and the spray pipe to pump water from the water tank and send it to the spray pipe;

[0009] The fan is connected to the box through an air extraction pipe at its air inlet end to discharge the air after the dust is removed by the anode tube and the cathode plate;

[0010] An air intake pipe, the air intake pipe is connected to the interior of the box, and the air intake pipe opening is located between the anode tube and the sewage pipe;

[0011] A filter assembly is connected to the air intake pipe to pre-treat large dust particles in the air;

[0012] And a cleaning component, which is located in the filter component and performs self-cleaning on the filter component when the outside air flows along the inside of the intake pipe.

[0013] Preferably, the sewage pipe is connected to the inside of the water tank, and a filter A for filtering sewage is provided in the sewage pipe.

[0014] Preferably, a material receiving box is provided in the sewage pipe and is slidably connected thereto, a mounting hole is provided on the bottom plate of the material receiving box, and the filter screen A is located inside the mounting hole.

[0015] Preferably, the anode tubes include a plurality of groups, and a gas distributor is provided in the box body for evenly dispersing the air entering the box body along the air inlet pipe into each anode tube.

[0016] Preferably, a plurality of condensation plates are staggeredly arranged in the box, and the condensation plates are located between the anode tube and the outlet of the exhaust pipe.

[0017] Preferably, the filter assembly includes a mounting shell and a filter screen B, the mounting shell is connected to the outside and the air intake pipe, and the filter screen B is located inside the mounting shell.

[0018] Preferably, the installation shell includes a circular ring, an end cover A and an end cover B. A dust exhaust hole for removing dust is arranged at the bottom of the circular ring, and a dust exhaust pipe is arranged outside the dust exhaust hole; an air guide pipe is arranged on the end cover A, and a through hole corresponding to the air guide pipe is arranged on the end cover B, and an air collecting hopper is arranged outside the through hole, and the air collecting hopper is connected to the air intake pipe.

[0019] Preferably, the cleaning assembly includes a turntable and an impeller; the turntable is slidably connected to the side of the end cover A and the end cover B that are close to each other; the filter screens B are distributed in a circular array on the circumference of the turntable, and the filter screens B are close to the end cover B; partitions are arranged between two adjacent filter screens B on the turntable, the turntable is connected to the rotating shaft, the rotating shaft is connected to the impeller, and the impeller is located in the air inlet pipe.

[0020] Compared with the prior art, the utility model has the following beneficial technical effects:

[0021] By setting a filter assembly, the filter assembly is composed of a ring, an end cover A and an end cover B, a turntable and a filter screen B. The filter screens B are separated by partitions, and the turntable itself is driven by an impeller, so that each filter screen B circulates through the air duct and the through hole, and the filter screen B automatically switches and discharges the large particles of impurities received during the switching process to achieve cleaning of the filter screen B, so that the filter screen B maintains high-efficiency filtering performance. At the same time, the utility model also effectively filters sewage, and the filtered water is re-introduced for flushing and recycling, so as to achieve the purpose of saving water. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0023] Figure 2 It is a schematic diagram of the connection structure of various components in the box;

[0024] Figure 3 It is the structural diagram of the material receiving box;

[0025] Figure 4 It is a schematic diagram of the connection structure of various components in the anode tube;

[0026] Figure 5 This is an exploded view of the filtering structure for larger dust particles of the utility model.

[0027] Figure numerals: 1. box body; 2. drain pipe; 3. material receiving box; 301. filter A; 4. water tank; 5. anode tube; 6. cathode plate; 7. spray pipe; 8. diverter pipe; 9. water pump; 10. top cover; 11. exhaust pipe; 12. fan; 13. condensation plate; 14. air inlet pipe; 15. air collecting hopper; 16. ring; 161. dust exhaust hole; 17. dust exhaust pipe; 18. turntable; 19. filter B; 20. partition; 21. end cover A; 22. air guide pipe; 23. end cover B; 231. through hole; 24. impeller; 25. gas distributor. DETAILED DESCRIPTION

[0028] Embodiment 1

[0029] like Figure 1-Figure 5As shown, a wet pneumatic dust collector for mining proposed by the utility model comprises a box body 1 with a sewage pipe 2 at the bottom, a spray pipe 7, a water pump 9, a fan 12, an air intake pipe 14, a filter assembly and a cleaning assembly. An anode tube 5 is arranged in the box body 1, and a cathode plate 6 is arranged in the anode tube 5 to divide the inner side thereof into two chambers. The anode tube 5 includes multiple groups, and a gas distributor 25 is arranged in the box body 1 to evenly disperse the air entering the box body 1 along the air intake pipe 14 into each anode tube 5. The nozzle of the spray pipe 7 is located in the chamber of the anode tube 5, so that the dirt on the inner wall of the anode tube 5 and the surface of the cathode plate 6 is flushed down by spraying water from the nozzle. The water pump 9 is connected to the water tank 4 and the spray pipe 7 to pump water from the water tank 4 and send it into the spray pipe 7. The fan 12 is connected to the box body 1 through the air extraction pipe 11 at its air intake end to guide the air after dust removal by the anode tube 5 and the cathode plate 6. The air inlet pipe 14 is connected to the inside of the box 1, and the mouth of the air inlet pipe 14 is located between the anode tube 5 and the sewage pipe 2. The filter assembly is connected to the air inlet pipe 14 to pre-treat large particles of dust in the air. The filter assembly includes a mounting shell and a filter screen B19, the mounting shell is connected to the outside and the air inlet pipe 14, and the filter screen B19 is located in the mounting shell. The mounting shell includes a ring 16, an end cover A21 and an end cover B23. A dust discharge hole 161 for removing dust is set at the bottom of the ring 16, and a dust discharge pipe 17 is set on the outside of the dust discharge hole 161. An air guide pipe 22 is set on the end cover A21, and a through hole 231 corresponding to the air guide pipe 22 is set on the end cover B23. An air collecting hopper 15 is set on the outside of the through hole 231, and the air collecting hopper 15 is connected to the air inlet pipe 14. The cleaning assembly is located in the filter assembly, and the filter assembly is self-cleaned when the outside air flows along the inside of the air inlet pipe 14. The cleaning assembly includes a turntable 18 and an impeller 24. The rotating disk 18 is slidably connected to the side of the end cover A21 and the end cover B23 that are close to each other. The filter screens B19 are distributed in a circular array around the rotating disk 18, and the filter screens B19 are close to the end cover B23. A partition plate 20 is set between two adjacent filter screens B19 on the rotating disk 18. The rotating disk 18 is connected to the rotating shaft, and the rotating shaft is connected to the impeller 24. The impeller 24 is located in the air intake pipe 14.

[0030] In this embodiment, the fan 12 draws air from the box body 1, allowing the outside air to enter the box body 1 along the air duct 22 and the air inlet pipe 14. The large particles of dust in the outside air are retained in the chamber formed by the partition 20, the filter B19 and the end cover A21 under the obstruction of the filter B19. The air without large particles of impurities enters the box body 1. When the gas flows from the air inlet pipe 14, the air drives the impeller 24 to rotate, and then drives the turntable 18 to rotate. The cavity that has trapped dust follows the turntable 18 to rotate and then connects to the dust exhaust hole 161. The large particles of impurities are directly discharged along the dust exhaust pipe 17, thereby achieving the purpose of circulating switching of the filter B19 and automatically removing large particles of impurities, thereby playing a circulating cleaning role for the filter B19, so that the filter B19 maintains high-efficiency filtering performance. After the air containing fine dust particles enters the box body 1, it is evenly dispersed into each anode tube 5 through the gas distributor 25. A high-voltage electrostatic field is generated around the cathode plate 6, and the dust in the air is removed by electrostatic adsorption. The dust adheres to the inner wall of the anode tube 5 and the surface of the cathode plate 6. The water pump 9 draws water from the water tank 4 and injects it into the spray pipe 7. The water sprayed from the spray pipe 7 flushes the inner wall of the anode tube 5 and the outer surface of the cathode plate 6. The dust mixes with the water and flows downward along the sewage pipe 2 and is discharged into the collection box. The dust-free air is sent into the mine under the action of the fan 12.

[0031] Embodiment 2

[0032] like Figure 1 and Figure 3 As shown, the utility model proposes a wet pneumatic dust collector for mining. Compared with the first embodiment, the sewage pipe 2 is connected with the inside of the water tank 4, and a filter A301 for filtering sewage is arranged in the sewage pipe 2, and a receiving box 3 slidably connected thereto is arranged in the sewage pipe 2, and a mounting hole is arranged on the bottom plate of the receiving box 3, and the filter A301 is located on the inner side of the mounting hole.

[0033] In this embodiment, the water sprayed from the spray pipe 7 cleans and removes dust from the inner wall of the anode tube 5 and the outer surface of the cathode plate, and then flows down along the sewage pipe 2 into the water tank 4. The dust and other impurities washed down are retained in the receiving box 3 after being filtered by the filter A301, which is convenient for subsequent cleaning and effectively saves water resources.

[0034] Embodiment 3

[0035] like Figure 2 As shown, the wet pneumatic dust collector for mining proposed by the utility model, compared with the first embodiment, a plurality of condensation plates 13 are staggeredly arranged in the box body 1, and the condensation plates 13 are located between the anode tube 5 and the outlet of the exhaust pipe 11.

[0036] In this embodiment, the water sprayed from the spray pipe 7 will collide with the upwelling air, causing a large amount of water vapor to be carried in the air, thereby causing the air humidity to be very high, which is harmful to human health. At this time, the water vapor in the air will quickly condense after contacting the condensation plate 13 and flow back downward into the box body 1, which can reduce the air humidity.

[0037] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A wet pneumatic dust collector for mining, characterized in that: include A box body (1) having a sewage discharge pipe (2) at the bottom, an anode tube (5) is arranged in the box body (1), and a cathode plate (6) is arranged in the anode tube (5) to divide the inside of the anode tube (5) into two chambers; A spray pipe (7), wherein a spray head of the spray pipe (7) is located in the chamber of the anode tube (5) so as to spray water through the spray head to flush dirt on the inner wall of the anode tube (5) and the surface of the cathode plate (6); A water pump (9), the water pump (9) is connected to the water tank (4) and the spray pipe (7) to pump water from the water tank (4) and send the water into the spray pipe (7); A fan (12), the fan (12) is connected to the box (1) through an air extraction pipe (11) at its air inlet end to discharge the air after the dust is removed by the anode tube (5) and the cathode plate (6); An air intake pipe (14), the air intake pipe (14) is connected to the interior of the box (1), and the mouth of the air intake pipe (14) is located between the anode tube (5) and the sewage pipe (2); A filter assembly is connected to the air inlet pipe (14) to pre-treat large dust particles in the air; And a cleaning component, which is located in the filter component and performs self-cleaning on the filter component when the outside air flows along the inside of the air inlet pipe (14).

2. A wet pneumatic dust collector for mining according to claim 1, characterized in that: The sewage pipe (2) is connected to the interior of the water tank (4), and a filter screen A (301) for filtering sewage is arranged in the sewage pipe (2).

3. A wet pneumatic dust collector for mining according to claim 2, characterized in that: A material receiving box (3) is arranged in the sewage discharge pipe (2) and is slidably connected thereto. A mounting hole is arranged on the bottom plate of the material receiving box (3), and the filter screen A (301) is located inside the mounting hole.

4. A wet pneumatic dust collector for mining according to claim 1, characterized in that: The anode tubes (5) include a plurality of groups, and a gas distributor (25) is provided in the box (1) for evenly dispersing the air entering the box (1) along the air inlet pipe (14) into each anode tube (5).

5. A wet pneumatic dust collector for mining according to claim 1, characterized in that: A plurality of condensation plates (13) are arranged in an alternating manner in the box body (1), and the condensation plates (13) are located between the anode tube (5) and the pipe opening of the exhaust pipe (11).

6. A wet pneumatic dust collector for mining according to claim 1, characterized in that: The filter assembly comprises a mounting shell and a filter screen B (19), wherein the mounting shell is connected to the outside and the air inlet pipe (14), and the filter screen B (19) is located inside the mounting shell.

7. A wet pneumatic dust collector for mining according to claim 6, characterized in that: The mounting shell comprises a circular ring (16), an end cover A (21) and an end cover B (23); a dust exhaust hole (161) for exhausting dust is arranged at the bottom of the circular ring (16); a dust exhaust pipe (17) is arranged outside the dust exhaust hole (161); an air guide pipe (22) is arranged on the end cover A (21); a through hole (231) corresponding to the air guide pipe (22) is arranged on the end cover B (23); an air collecting hopper (15) is arranged outside the through hole (231); and the air collecting hopper (15) is connected to the air intake pipe (14).

8. A wet pneumatic dust collector for mining according to claim 7, characterized in that: The cleaning assembly comprises a rotating disk (18) and an impeller (24); the rotating disk (18) is slidably connected to the sides of the end cover A (21) and the end cover B (23) that are close to each other; the filter screens B (19) are distributed in a circular array around the rotating disk (18), and the filter screens B (19) are close to the end cover B (23); a partition plate (20) is arranged between two adjacent filter screens B (19) on the rotating disk (18), the rotating disk (18) is connected to a rotating shaft, the rotating shaft is connected to an impeller (24), and the impeller (24) is located in an air intake pipe (14).

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