Dust fall device of drilling machine for strip mine

Abstract

The utility model relates to a dust fall device of a drilling machine for a strip mine. The dust fall device comprises a drilling machine (12) with an air blowing structure, an anti-backflow device connected with a water supply structure is arranged on the air blowing structure; and the water supply structure is connected with a water storage structure. The drilling machine dust falling device for the strip mine is provided with the water storage structure, and water can be continuously supplied to water mist spraying work of the device; the device is provided with the water supply structure, so that water can be continuously pumped from the water storage structure, and the water is stably transported; the device is provided with the air blowing structure, air with the pressure of 15 kilograms flows in the air blowing structure, water flow conveyed by the water supply structure can be instantly scattered and atomized and is conveyed to the drilling machine, and therefore the problem of drilling dust raising of the drilling machine is thoroughly solved. The device is provided with an anti-backflow device which can effectively prevent water and air from flowing back to damage a water supply structure, so that the service life of the device is not influenced.

Description

Technical Field

[0001] The utility model belongs to mining equipment, and specifically relates to a dust reduction device for a drill rig used in an open-pit mine. Background Art

[0002] In the mining process, drilling operations have become an indispensable part, especially in open-pit mining operations, which require drilling operations before blasting operations can be carried out. Dust is easily generated during the drilling process, and the dry dust suppression device carried by the drill rig itself generally cannot meet the dust suppression requirements and cannot ensure that the dust generated by drilling is effectively controlled.

[0003] After searching, the applicant found that the Chinese patent document with publication number CN209025632U disclosed a down-the-hole drill dust reduction device and a down-the-hole drill on June 25, 2019, including a dust collection hood, a first seal at one end of the dust collection hood, and a second seal at the other end, the first seal being used for sealing between the dust collection hood and the surrounding rock mass, and the second seal being used for sealing between the dust collection hood and the drill rod of the down-the-hole drill, the dust collection hood being connected to one end of the exhaust duct assembly, and the other end of the exhaust duct assembly being connected to the dust reduction device, and the exhaust duct assembly can drive the dust in the dust collection hood into the dust reduction device to filter the dust.

[0004] This device cannot effectively control the dust generated by drilling rigs in open-pit mines. Utility Model Content

[0005] The utility model aims to provide a dust suppression device for an open-pit mine drill rig which can effectively control the dust generated by the drilling of an open-pit mine drill rig.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is: the utility model includes a drilling rig provided with a blowing structure; the blowing structure is provided with an anti-backflow device connected to a water supply structure; the water supply structure is connected to a water storage structure.

[0007] The drilling rig comprises a drilling rig rotator connected with an air blowing structure; a drill rod is arranged on the drilling rig rotator; and an impactor connected with a drill bit is arranged at the end of the drill rod.

[0008] The air blowing structure comprises an air supply pipe; the air supply pipe is respectively connected to the backflow prevention device and the drilling rig rotator.

[0009] A nozzle is arranged at one end of the air supply pipe connected to the drilling rig gyrator; and the backflow prevention device is arranged on the side wall of the air supply pipe.

[0010] The water supply structure comprises a water pump, and the water pump is provided with a first connection structure and a second connection structure respectively; the first connection structure is connected to the water storage structure; and the second connection structure is connected to the backflow prevention device.

[0011] The first connection structure is a water inlet pipe connected to the water inlet of the water pump; the second connection structure is a water outlet pipe connected to the water outlet of the water pump.

[0012] The backflow prevention device comprises a one-way valve arranged on the air supply pipe; the one-way valve is connected to the end of the water outlet pipe.

[0013] The water storage structure comprises a water tank; the end of the water inlet pipe is placed inside the water tank.

[0014] A water return pipe is arranged between the water tank and the water pump.

[0015] The capacity of the water tank is 0.3 cubic meters.

[0016] The beneficial effects of the present application are as follows: the utility model comprises a drilling rig provided with an air blowing structure; the air blowing structure is provided with an anti-backflow device connected to a water supply structure; the water supply structure is connected to a water storage structure.

[0017] The water supply structure can pump water from the water storage structure and transmit the water to the blowing structure; gas with a pressure of 15 kg flows in the blowing structure, and the water flow is instantly dispersed and atomized and sent to the drilling rig. The water mist is mixed with the dust generated when the drilling rig punches holes, which plays a role in suppressing the dust generated by the punching and controlling the dust from the source of the punching, thereby completely solving the problem of dust generated by the drilling rig.

[0018] The anti-backflow device is arranged between the water supply structure and the blowing structure, and can prevent water and air backflow from causing damage to the water supply structure, thereby affecting the service life of the device.

[0019] The dust suppression device for open-pit mine drilling rigs is provided with a water storage structure that can continuously supply water for the water mist spraying work of the device; the device is provided with a water supply structure that can continuously pump water from the water storage structure and transport the water stably; the device is provided with a blowing structure, in which a gas with a pressure of 15 kg flows, which can instantly break up the water flow transmitted by the water supply structure into atomized water and send it to the drilling rig, thereby completely solving the problem of dust from drilling rigs. The device is provided with an anti-backflow device that can effectively prevent water and gas backflow from causing damage to the water supply structure, thereby affecting the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The specific implementation of the utility model is further described in detail below in conjunction with the accompanying drawings, wherein:

[0021] Figure 1This is a schematic diagram of the structure of the dust suppression device for the open-pit mine drilling rig.

[0022] The marks in the above figure are:

[0023] The markings in the figure are: 1. water tank, 2. return pipe, 3. water pump, 4. outlet pipe, 5. inlet pipe, 6. one-way valve, 7. air supply pipe, 8. drilling rig rotator, 9. drill rod, 10. impactor, 11. drill bit, 12. drilling rig, 13. nozzle. DETAILED DESCRIPTION

[0024] The following is a further detailed explanation of the specific implementation methods of the utility model through the description of the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the utility model and facilitating its implementation.

[0025] Figure 1 The dust suppression device for an open-pit mine drill shown comprises a drill rig 12 provided with an air blowing structure; the air blowing structure is provided with an anti-backflow device connected to a water supply structure; the water supply structure is connected to a water storage structure.

[0026] The water supply structure can pump water from the water storage structure and transfer the water to the blowing structure; the blowing structure flows with gas at a pressure of 15 kg, and the water flow is instantly dispersed and atomized and sent to the drilling rig 12. The water mist is mixed with the dust generated when the drilling rig 12 is drilling, which plays a role in suppressing the dust generated by the drilling, and controls the dust from the source of the drilling, thereby completely solving the dust problem of the drilling rig 12. The anti-backflow device is arranged between the water supply structure and the blowing structure, which can prevent the water and gas backflow from causing damage to the water supply structure, thereby affecting the service life of the device.

[0027] The drilling machine 12 includes a drilling machine rotator 8 connected with an air blowing structure; a drill rod 9 is arranged on the drilling machine rotator 8; and an impactor 10 connected with a drill bit 11 is arranged at the end of the drill rod 9. When the drilling machine 12 performs a perforation operation, the impactor 10 and the drill bit 11 are in contact with the mine to perforate, and the bottom of the drill rod 9 is connected with the impactor 10 and the drilling machine 12; the drilling machine rotator 8 is arranged at the top of the drill rod 9; the air blowing structure is arranged on the drilling machine rotator 8, and when water mist is sprayed, the water mist can be sprayed to the entire dust range of the drill rod 9, the impactor 10 and the drill bit 11; the dust can be effectively controlled from the perforation source, thereby completely solving the perforation dust problem of the drilling machine 12.

[0028] The blowing structure includes an air supply pipe 7; the air supply pipe 7 is connected to the backflow prevention device and the drilling rig rotator 8 respectively. The air supply pipe 7 is connected to the air supply machine, and a high-velocity gas with a pressure of 15 kg flows in the air supply pipe 7, which can disperse and atomize the water flow delivered by the backflow prevention device and the water supply structure, and then spray the atomized gas downward from the drilling rig rotator 8, thereby mixing and reducing the dust generated by the drilling rig 12, and effectively improving the dust treatment effect.

[0029] A nozzle 13 is provided at one end of the air supply pipe 7 connected to the drilling rig gyrator 8; and a backflow prevention device is provided on the side wall of the air supply pipe 7. The nozzle 13 installed on the drilling rig gyrator 8 can spray water mist evenly and over a larger range; it can save water and energy while ensuring the effect of dust treatment and avoid waste of resources.

[0030] The water supply structure includes a water pump 3, on which a first connection structure and a second connection structure are respectively provided; the first connection structure is connected to the water storage structure; and the second connection structure is connected to the backflow prevention device. The working state of the water pump 3 is stable and reliable, and it can efficiently pump water from the water storage structure and transport the water to the air supply pipe 7 through the backflow prevention device to perform the water mist spraying work of the device; at the same time, the water pump 3 is highly efficient and energy-saving, simple to maintain and has a long service life, which can ensure the normal and stable dust reduction work of the device.

[0031] The first connection structure is a water inlet pipe 5 connected to the water inlet of the water pump 3; the second connection structure is a water outlet pipe 4 connected to the water outlet of the water pump 3. The water inlet of the water pump 3 is provided on the water inlet pipe 5 and connected to the water storage structure, which can pump water, and the water outlet of the water pump 3 is provided with a water outlet pipe 4 connected to the anti-backflow structure, which can deliver water to the air supply pipe 7, thereby ensuring the normal operation of the device.

[0032] The anti-backflow device includes a one-way valve 6 arranged on the air supply pipe 7; the one-way valve 6 is connected to the end of the water outlet pipe 4. The one-way valve 6 can maintain the one-way flow of water, preventing water and air from flowing back to the water pump 3 and causing damage to the water pump 3; at the same time, the one-way valve 6 has a simple structure, consisting of only a valve body and a valve core, and is easy to replace and maintain; the one-way valve 6 is easy to use, and it only needs to be installed on the air supply pipe 7 and the water outlet pipe 4 and adjust the regulating valve to work normally. The price of the one-way valve 6 is relatively low, but the performance is stable and can meet the control requirements of liquid flow. At the same time, the one-way valve 6 also has a long service life, does not need to be frequently replaced, and saves production costs.

[0033] The water storage structure includes a water tank 1; the end of the water inlet pipe 5 is placed inside the water tank 1. The water tank 1 is used to store water, and the water inlet pipe 5 is connected to the water tank 1, so that the water pump 3 can be used to pump water, stably supply the device to perform water mist spraying, and effectively reduce dust when drilling rig 12 is used.

[0034] A return pipe 2 is provided between the water tank 1 and the water pump 3. The return pipe 2 can ensure the normal circulation of water; the function of the water pump 3 is to pump water from the low-pressure area and send it to the high-pressure area or the area far away from the source. When there is residual water in the water pump 3, if the return pipe 2 is not connected, the residual water cannot return to the water tank 1. In addition, connecting the return pipe 2 can also prevent water from flowing back, thereby better protecting the water pump 3.

[0035] The capacity of the water tank 1 is 0.3 cubic meters. The device uses a water tank 1 with a capacity of 0.3 cubic meters, which can meet the needs of spraying water mist to control dust at one time, while avoiding the excessive size and weight of the device, which affects the on-site installation and construction.

[0036] The specific working process of the utility model is as follows:

[0037] First, make a water tank 1 with a capacity of about 0.3 cubic meters, install a water pump 3 on the water tank 1, connect the water inlet pipe 5 to the water tank 1, connect the water outlet pipe 4 to the air supply pipe 7, and install a one-way valve 6 at the inlet of the water outlet pipe 4 to prevent water and air from flowing back to the water pump 3 and causing damage to the water pump 3. When water enters the air supply pipe 7 and encounters gas at a pressure of 15 kilograms, it is instantly atomized and sent to the drill rod 9, the impactor 10 and the drill bit 11, thereby suppressing the dust generated by perforation, and controlling the dust from the source of perforation, thereby completely solving the problem of dust generated by drilling rig perforation.

[0038] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the method concept and technical solution of the utility model; or the above concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A dust suppression device for an open-pit mine drill, characterized in that: It comprises a drilling rig (12) provided with an air blowing structure; the air blowing structure is provided with an anti-backflow device connected to a water supply structure; the water supply structure is connected to a water storage structure; The drilling machine (12) comprises a drilling machine rotator (8) connected to an air blowing structure; a drill rod (9) is provided on the drilling machine rotator (8); an impactor (10) connected to a drill bit (11) is provided at the end of the drill rod (9); The blowing structure comprises an air supply pipe (7); the air supply pipe (7) is respectively connected to the backflow prevention device and the drilling rig swivel (8); A nozzle (13) is provided at one end of the air supply pipe (7) connected to the drilling rig rotator (8); the backflow prevention device is provided on the side wall of the air supply pipe (7); The water supply structure comprises a water pump (3), and the water pump (3) is respectively provided with a first connection structure and a second connection structure; the first connection structure is connected to the water storage structure; and the second connection structure is connected to the backflow prevention device; The first connection structure is a water inlet pipe (5) connected to the water inlet of the water pump (3); the second connection structure is a water outlet pipe (4) connected to the water outlet of the water pump (3); The water storage structure comprises a water tank (1); the end of the water inlet pipe (5) is placed inside the water tank (1); A water return pipe (2) is provided between the water tank (1) and the water pump (3).

2. The dust suppression device for open-pit mine drilling rig according to claim 1, characterized in that: The backflow prevention device comprises a one-way valve (6) arranged on the air supply pipe (7); the one-way valve (6) is connected to the end of the water outlet pipe (4).

3. The dust suppression device for open-pit mine drilling rig according to claim 2, characterized in that: The capacity of the water tank (1) is 0.3 cubic meters.

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