Mining ventilation device

Abstract

The utility model provides a mine ventilation device which comprises a base, an air inlet box arranged at the upper end of the base, a filter box arranged at the upper end of the air inlet box, a spraying box arranged at the upper end of the filter box, an air inlet pipe arranged on the outer side of the air inlet box, an air outlet pipe arranged on the upper side of the air inlet box and a first filter screen arranged on the lower side in the filter box. A second filter screen is arranged on the upper side in the filter box, a plurality of evenly-distributed rotating shafts are rotationally arranged in the spraying box, a plurality of connecting bases are arranged on the outer arc faces of the rotating shafts, and movable pipes are arranged between the bottom ends of the connecting bases located in the same vertical plane. According to the mine ventilation device, after air in an underground mine is sucked into the air suction box through the exhaust fan, reactant is sprayed in the process of driving the spray head to swing continuously, so that the reactant reacts to neutralize harmful gas and simultaneously cleans the filter screen, and the mine ventilation device is convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of mine protection, especially relates to a mine ventilation device. BACKGROUND

[0002] Because the underground mine usually lacks natural ventilation, and a large amount of harmful gas and dust will be produced in the mining process, therefore, an effective ventilation system is needed to provide fresh air, to remove harmful gas and to control dust concentration, and the mine ventilation device is important equipment for ensuring the safety and health of the mine operation environment when in use.

[0003] The existing mine ventilation device forcibly realizes the flow of air through the air extractor arranged inside, so that the air inside the mine is sucked into the inside of the ventilation box through the air inlet, and then the air sucked is filtered through the filter screen arranged on the ventilation box, the dust in the air is filtered, and then the air sucked is forcibly conveyed to the ground, thereby being able to provide sufficient ventilation volume for the entire mine, ensure the air quality, and effectively discharge the harmful gas and dust produced in the mine to protect the health of workers, but in the actual use process, because a large amount of carbon monoxide, sulfur dioxide and other harmful gases will be produced in the mining process, the harmful gases cannot be directly discharged from the inside of the mine to the outside, therefore, the active carbon adsorption plate and other reagents are often arranged inside the ventilation box to react and neutralize, which needs the staff to replace or clean the active carbon adsorption plate and filter screen regularly, which is troublesome and time-consuming and laborious, and brings certain burden to the work of personnel. SUMMARY

[0004] Therefore, the utility model provides a mine ventilation device in view of the defects of the prior art, which sprays the reagent through the process of continuously swinging the spray head after the air in the underground mine is sucked into the inside of the air suction box by the air extractor, so that the reagent reacts and neutralizes the harmful gas while cleaning the filter screen, and is convenient to use.

[0005] To solve the above technical problems, the utility model adopts the technical scheme: a mine ventilation device, including the base, the upper end of base is provided with the air inlet box, the upper end of air inlet box is provided with the filter box, the upper end of filter box is provided with the spray tank, the outside of air inlet box is provided with the air inlet pipe, the upside of air inlet box is provided with the air outlet pipe, the inside lower side of filter box is provided with filter screen one, the inside upside of filter box is provided with filter screen two, the inside of spray tank is rotatably provided with a plurality of evenly distributed pivot shafts, the outer camber surface of pivot shaft is provided with a plurality of connecting seats, the bottom end between connecting seats in the same vertical plane is provided with the movable pipe, the lower surface of movable pipe is provided with a plurality of evenly distributed spray heads, the inside top of spray tank is provided with the air blower, the bottom end of base is provided with the liquid discharge pipe, the inside of spray tank is provided with the liquid delivery pipe, the lower surface of liquid delivery pipe is provided with a plurality of evenly distributed telescopic pipes, telescopic pipes are connected with adjacent movable pipes respectively, the outside of base is provided with a plurality of supporting legs, the lower surface of supporting leg is all bonded with rubber pad.

[0006] As a further improvement of the utility model, the outer camber surface of pivot shaft is fixedly provided with rotating plate, the top of rotating plate is provided with driving rod, the inside upside of spray tank is provided with driving seat, the lower surface of driving seat is provided with guiding slide groove, the bottom end of sliding seat is provided with a plurality of evenly distributed U-shaped seats, the bottom end of U-shaped seat is provided with guiding groove, driving rod is installed with adjacent guiding groove respectively; The inside of driving seat is provided with symmetrically distributed rotating seat, the rotating seat is rotatably provided with adjusting screw rod, and the adjusting screw rod is threadedly connected with the sliding seat.

[0007] As a further improvement of the utility model, the inside bottom end of driving seat is provided with motor, and the output shaft of motor is fixed through shaft coupling between adjusting screw rod.

[0008] As a further improvement of the utility model, the outside of filter box is provided with control box, and motor and air blower are electrically connected with control box.

[0009] Compared with the prior art, the utility model has the beneficial effects as follows:

[0010] Firstly, the air in the mine is drawn into the inside of air inlet box through air inlet pipe by air blower, and the dust in the air is filtered through filter screen one and filter screen two.

[0011] Secondly, the liquid delivery pipe transports the inside of movable pipe through telescopic pipe, and then sprays out through the spray head on the lower surface of movable pipe, and then the reaction agent sprayed by the spray head contacts with the upward flowing air, and the harmful gas in the air is neutralized, and the air after reaction is discharged through air outlet pipe, and the liquid after reaction with harmful gas falls down, and the waste particles on filter screen one and filter screen two are taken down.

[0012] Thirdly, the output shaft of the motor drives the adjusting screw rod to rotate forward and backward, the U-shaped seat drives the driving rod to slide in the guide groove through the cooperation of the guide groove below the U-shaped seat and the driving rod, the rotating plate drives the rotating shaft to rotate forward and backward, and the movable pipe swings back and forth, so that the movable pipe drives the nozzle to move, and the reaction agent sprayed by the nozzle fully contacts with the harmful gas flowing upward.

[0013] Fourthly, the rubber pad arranged on the lower surface of the supporting leg can buffer the lower end of the supporting leg, and can effectively avoid damage of the supporting leg caused by long-time contact with the ground. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be explained in further detail below in combination with the drawings and specific embodiments.

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the internal section of the utility model;

[0017] Figure 3 It is an enlarged structural schematic diagram of A of the utility model;

[0018] Figure 4 It is a planar structural schematic diagram of the utility model.

[0019] In the drawing: 101, base; 102, supporting leg; 103, air inlet box; 104, filter box; 105, spraying box; 106, air inlet pipe; 107, air outlet pipe; 108, filter screen one; 109, filter screen two; 110, air blower; 111, liquid discharge pipe; 201, rotating shaft; 202, connecting seat; 203, movable pipe; 204, nozzle; 205, liquid conveying pipe; 206, telescopic pipe; 207, driving seat; 208, sliding seat; 209, rotating plate; 210, driving rod; 211, rotating seat; 212, U-shaped seat; 213, adjusting screw rod; 214, motor; 301, control box. DETAILED DESCRIPTION

[0020] In order to better understand the utility model, the content of the utility model will be further clarified below in combination with the embodiments, but the protection content of the utility model is not limited to the following embodiments only. In the following description, a large number of specific details are given in order to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details.

[0021] As Figure 2 , 4As shown, including the base 101, the upper end of the base 101 is provided with the air inlet box 103, the upper end of the air inlet box 103 is provided with the filter box 104, the upper end of the filter box 104 is provided with the spray box 105, the outer side of the air inlet box 103 is provided with the air inlet pipe 106, the upper side of the air inlet box 103 is provided with the air outlet pipe 107, the inside of the filter box 104 is provided with the filter screen one 108, the inside of the filter box 104 is provided with the filter screen two 109, the inside of the spray box 105 is rotatably provided with a plurality of uniformly distributed shafts 201, the outer arc surface of the shaft 201 is provided with a plurality of connecting seats 202, the bottom end of the connecting seat 202 located in the same vertical plane is provided with a movable pipe 203, the lower surface of the movable pipe 203 is provided with a plurality of uniformly distributed spray heads 204, the inside top end of the spray box 105 is provided with the air blower 110, the bottom end of the base 101 is provided with the liquid discharge pipe 111.

[0022] As shown in Figure 2 , 3 , the outer arc surface of the shaft 201 is fixedly sleeved with a rotating plate 209, the top end of the rotating plate 209 is provided with a driving rod 210, the inside upper side of the spray box 105 is provided with a driving seat 207, the lower surface of the driving seat 207 is slidably provided with a sliding seat 208 in the guide sliding groove, the bottom end of the sliding seat 208 is provided with a plurality of uniformly distributed U-shaped seats 212, the bottom end of the U-shaped seat 212 is provided with a guide groove, and the driving rod 210 is respectively installed in cooperation with the adjacent guide grooves; the inside of the driving seat 207 is provided with symmetrically distributed rotating seats 211, the rotating seats 211 are rotatably provided with an adjusting screw 213, and the adjusting screw 213 is threadedly connected with the sliding seat 208; the inside bottom end of the driving seat 207 is provided with the motor 214, and the output shaft of the motor 214 is fixed between the adjusting screw 213 through the shaft coupling.

[0023] As shown in Figure 1 , 2 , the inside of the spray box 105 is provided with the liquid supply pipe 205, the lower surface of the liquid supply pipe 205 is provided with a plurality of uniformly distributed telescopic pipes 206, and the telescopic pipes 206 are respectively connected with the adjacent movable pipes 203.

[0024] As shown in Figure 1 , 2 , the outside of the filter box 104 is provided with the control box 301, and the motor 214 and the air blower 110 are electrically connected with the control box 301.

[0025] In use, the infusion tube 205 is connected with an external reaction agent delivery pump, the infusion tube 205 is delivered into the inside of the movable tube 203 through the telescopic tube 206, and then is sprayed out through the spray head 204 on the lower surface of the movable tube 203, then the motor 214 and the air blower 110 are controlled to operate by the control box 301, so that the air blower 110 draws air, and then the air in the mine hole flows into the inside of the air inlet box 103 from bottom to top through the air inlet tube 106, the dust in the air is filtered through the filter screen one 108 and the filter screen two 109, then the reaction agent sprayed by the spray head 204 contacts with the upward flowing air to neutralize the harmful gas in the air, the air after the reaction is discharged through the air outlet tube 107, and the liquid after the reaction with the harmful gas falls down, and the waste particles on the filter screen one 108 and the filter screen two 109 are taken down, and finally fall into the inside bottom end of the base 101 and are discharged from the liquid discharge tube 111; the output shaft of the motor 214 drives the adjusting lead screw 213 connected therewith to reciprocating rotate in forward and reverse directions, and then the sliding seat 208 is driven to reciprocate in the guide sliding groove through the threaded relationship between the adjusting lead screw 213 and the sliding seat 208, in the process of the movement of the sliding seat 208, the U-shaped seat 212 drives the driving rod 210 to slide in the guide groove through the cooperation of the guide groove below the U-shaped seat 212 and the driving rod 210, so that the rotating plate 209 drives the rotating shaft 201 to reciprocate in forward and reverse directions, and then the movable tube 203 is driven to reciprocate, so that the movable tube 203 drives the spray head 204 to move, and the reaction agent sprayed by the spray head 204 fully contacts with the upward flowing harmful gas.

[0026] According to another embodiment of the present application, as shown in Figure 1 、 2 The lower surface of the supporting leg 102 is adhesively fixed with a rubber pad. In use, the rubber pad arranged on the lower surface of the supporting leg 102 can buffer the lower end of the supporting leg 102, so that the damage of the supporting leg 102 caused by long time contact with the ground can be effectively avoided.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application rather than limit the present application, and any other modifications or equivalent replacements to the technical solutions of the present application made by those skilled in the art should be covered in the scope of the claims of the present application.

Claims

1. A mine ventilation device comprising a base (101), characterised in that: The upper end of the base (101) is provided with an air inlet box (103), the upper end of the air inlet box (103) is provided with a filter box (104), the upper end of the filter box (104) is provided with a spraying box (105), the outer side of the air inlet box (103) is provided with an air inlet pipe (106), the upper side of the air inlet box (103) is provided with an air outlet pipe (107), the inner lower side of the filter box (104) is provided with a filter screen one (108), the inner upper side of the filter box (104) is provided with a filter screen two (109), a plurality of uniformly distributed rotating shafts (201) are rotatably arranged in the spraying box (105), the outer arc surface of the rotating shaft (201) is provided with a plurality of connecting seats (202), the bottom ends of the connecting seats (202) located in the same vertical plane are provided with a movable pipe (203), the lower surface of the movable pipe (203) is provided with a plurality of uniformly distributed spray heads (204), the inner top end of the spraying box (105) is provided with an air guide fan (110), and the bottom end of the base (101) is provided with a liquid discharge pipe (111).

2. The mine ventilation device of claim 1, wherein: The outer arc surface of the rotating shaft (201) is fixedly sleeved with a rotating plate (209) in the middle, the top end of the rotating plate (209) is provided with a driving rod (210), the inner upper side of the spraying box (105) is provided with a driving seat (207), the lower surface of the driving seat (207) is slidably provided with a sliding seat (208) in a guide sliding groove, the bottom end of the sliding seat (208) is provided with a plurality of uniformly distributed U-shaped seats (212), the bottom end of the U-shaped seat (212) is provided with a guide groove, and the driving rod (210) is respectively matched with the adjacent guide grooves.

3. The mine ventilation device of claim 2, wherein: The inner part of the driving seat (207) is provided with symmetrically distributed rotating seats (211), and the adjusting lead screws (213) are rotatably arranged between the rotating seats (211).

4. The mine ventilation device of claim 3, wherein: The inner bottom end of the driving seat (207) is provided with a motor (214), and the output shaft of the motor (214) is fixed through a shaft coupling between the adjusting lead screws (213).

5. The mine ventilation device of claim 1, wherein: The inner part of the spraying box (105) is provided with a liquid delivery pipe (205), and the lower surface of the liquid delivery pipe (205) is provided with a plurality of uniformly distributed telescopic pipes (206), and the telescopic pipes (206) are respectively connected with the adjacent movable pipes (203).

6. The mine ventilation device of claim 4, wherein: The outer side of the filter box (104) is provided with a control box (301), and the motor (214) and the air guide fan (110) are electrically connected with the control box (301).

7. The mine ventilation device of claim 1, wherein: The outer side of the base (101) is provided with a plurality of supporting legs (102), and the lower surface of the supporting leg (102) is adhesively fixed with a rubber pad.

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