Wind pressure type automatic filtering and sand adding device of mining water cutting machine

Abstract

The utility model discloses a mine water cutting machine wind pressure type automatic filtering sand adding device which comprises a sand outlet tee joint, a sand leakage pipe, a negative pressure nozzle, a positive pressure tee joint, an M12 double nipple, a gate valve, a sand storage tank air inlet pipe, an M16 double nipple, a sand storage tank, a filter sieve, an end cover, a safety exhaust valve, a sand and air inlet pipe, an air inlet sand pipe, an exhaust pipe, a separator, a water cutting machine grinding material tank, a flange and a mixing valve. The wind pressure type automatic filtering sand adding device of the mining water cutting machine is formed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a mine water cutting machine air pressure type automatic filtering sand adding device, specifically speaking, a device that utilizes the existing air pressure in the pit as power, can automatically add sand to the abrasive tank of the mine water cutting machine, and can also filter sand while adding sand. BACKGROUND

[0002] At present, when the mine water cutting machine cuts objects in the pit, a certain amount of stone melon sand needs to be consumed, the storage amount of stone melon sand in the abrasive tank is generally about 20L, and the stone melon sand will be consumed in about half an hour, which needs frequent sand adding in actual work, the sand adding method is to filter the stone melon sand with a sieve first, and then pour the stone melon sand into the abrasive tank by using a funnel, which is the process of frequent operation of miners, the sand adding process is complicated, the sand adding speed is very low, and the needs of safety production in the pit of coal mine cannot be met. CONTENT OF THE UTILITY MODEL

[0003] The utility model solves the series of difficulties that the mine water cutting machine cuts objects in the pit, a certain amount of stone melon sand needs to be consumed, the storage amount of stone melon sand in the abrasive tank is generally about 20L, and the stone melon sand will be consumed in about half an hour, which needs frequent sand adding in actual work, the sand adding method is to filter the stone melon sand with a sieve first, and then pour the stone melon sand into the abrasive tank, which is the process of frequent operation of miners, the sand adding process is complicated, the sand adding speed is very low, and the needs of safety production in the pit of coal mine cannot be met, and proposes a mine water cutting machine air pressure type automatic filtering sand adding device.

[0004] The utility model aims to realize the following technical scheme:

[0005] The utility model relates to a kind of mine water cutting machine wind pressure type automatic filter sanding device, including sanding tee 1, sand leakage pipe 2, negative pressure nozzle 3, positive pressure tee 4, M12 pair of silk 5, gate valve 6, sand tank inlet pipe 7, M16 pair of silk 8, sand tank 9, filter screen 10, end cap 11, safety exhaust valve 12, sand inlet inlet pipe 13, inlet sand pipe 14, exhaust pipe 15, separator 16, water cutting machine abrasive tank 17, flange 18, mixing valve 19;Its characterized in that: the negative pressure nozzle 3 is installed on sanding tee 1, positive pressure tee 4 is installed on negative pressure nozzle 3, M12 pair of silk 5 is installed on positive pressure tee 4, gate valve 6 is installed on M12 pair of silk 5, sand tee 1 is installed on sand leakage pipe 2, sand leakage pipe 2 is installed on sand tank 9;The safety exhaust valve 12 is installed on end cap 11, filter screen 10 is placed in sand tank 9, is installed in end cap 11 and is tightened in the upper end of sand tank 9, M16 pair of silk 8 is tightened in sand tank 9, sand tank inlet pipe 7 is connected between M16 pair of silk 8 positive pressure tee 4;The separator 16 has a exhaust pipe 15 on top, has a inlet sand pipe 14 in the middle, separator 16 is placed in the upper end of water cutting machine abrasive tank 17, sand inlet inlet pipe 13 is connected between sand tee 1 inlet sand pipe 14;The mixing valve 19 is installed on flange 18, flange 18 is installed in the lower end of water cutting machine abrasive tank 17, and a kind of mine water cutting machine wind pressure type automatic filter sanding device is formed.

[0006] To further achieve the purpose of convenient control operation, abrasive tank 17 is placed separator 16, so that gas and sand are more convenient to separate.

[0007] The utility model has the following advantages compared with prior art sanding device:

[0008] 1. It has automatic sanding function: negative pressure nozzle 3 and sand leakage pipe 2 are installed in the inlet system, and pomegranate sand can be automatically leaked into sanding tee 1 to automatically sand.

[0009] 2. It has automatic filtering function: filter screen 10 is installed on sand tank 9, and automatic filtering is realized when sanding.

[0010] 3. It has automatic gas and sand separation function: abrasive tank 17 is placed separator 16, so that gas and sand are automatically separated in abrasive tank 17.

[0011] 4. Simple structure: the mine water cutting machine wind pressure type automatic filter sanding device is light in weight, complete in specifications and models, easy to install and easy to popularize and apply. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model will be further described in detail according to the drawings and examples.

[0013] Figure 1 It is a kind of mine water cutting machine wind pressure type automatic filter sanding device composition structure diagram;

[0014] In the figure:

[0015] Sand outlet tee 1, sand leakage pipe 2, negative pressure nozzle 3, positive pressure tee 4, M12 pair of threads 5, gate valve 6, sand storage tank air inlet pipe 7, M16 pair of threads 8, sand storage tank 9, filter screen 10, end cover 11, safety exhaust valve 12, sand inlet air inlet pipe 13, air inlet sand pipe 14, exhaust pipe 15, separator 16, water cutting machine abrasive tank 17, flange 18, mixing valve 19. DETAILED DESCRIPTION

[0016] A mine water cutting machine air pressure type automatic filtering sand feeding device, comprising a sand outlet tee 1, a sand leakage pipe 2, a negative pressure nozzle 3, a positive pressure tee 4, an M12 pair of threads 5, a gate valve 6, a sand storage tank air inlet pipe 7, an M16 pair of threads 8, a sand storage tank 9, a filter screen 10, an end cover 11, a safety exhaust valve 12, a sand inlet air inlet pipe 13, an air inlet sand pipe 14, an exhaust pipe 15, a separator 16, a water cutting machine abrasive tank 17, a flange 18, and a mixing valve 19; characterized in that: the negative pressure nozzle 3 is installed on the sand outlet tee 1, the positive pressure tee 4 is installed on the negative pressure nozzle 3, the M12 pair of threads 5 is installed on the positive pressure tee 4, the gate valve 6 is installed on the M12 pair of threads 5, the sand tee 1 is installed on the sand leakage pipe 2, and the sand leakage pipe 2 is installed on the sand storage tank 9; the safety exhaust valve 12 is installed on the end cover 11, the filter screen 10 is placed in the sand storage tank 9, the end cover 11 is screwed on the upper end of the sand storage tank 9, the M16 pair of threads 8 is screwed on the sand storage tank 9, and the sand storage tank air inlet pipe 7 is connected between the M16 pair of threads 8 and the positive pressure tee 4; the separator 16 has an exhaust pipe 15 at the top and an air inlet sand pipe 14 in the middle, the separator 16 is placed at the upper end of the water cutting machine abrasive tank 17, and the sand inlet air inlet pipe 13 is connected between the sand tee 1 and the air inlet sand pipe 14; the mixing valve 19 is installed on the flange 18, the flange 18 is at the lower end of the water cutting machine abrasive tank 17, and a mine water cutting machine air pressure type automatic filtering sand feeding device is formed.

[0017] The application discloses a kind of mine water cutting machine wind pressure type automatic filtering sand adding devices, it is characterized in that opening end cover 11, pomegranate sand is added to sand storage tank 9 by filter screen 10, simultaneously, pomegranate sand is filtered by filter screen 10, then end cover 11 is tightened;The air pressure of mine under is passed through gate valve 6, M12 is given to positive pressure tee joint 4 to air of silk 5, part of high-pressure air is passed through sand storage tank inlet pipe 7 and M16 to sand storage tank 9 to silk 8, so that air in sand storage tank 9 forms positive pressure, part is passed through negative pressure nozzle 3 to sand outlet tee joint 1, so that negative pressure is formed at sand outlet tee joint 1, the air pressure in sand storage tank 9 is greater than the air pressure of sand outlet tee joint 1, and pomegranate sand in sand storage tank 9 can leak to sand tee joint 1 through sand leakage pipe 2, at this time, pomegranate sand is entered into separator 16 by sand inlet inlet pipe 13 under the action of air pressure;The specific gravity of pomegranate sand brought by sand inlet inlet pipe 13 is dropped into abrasive tank 17 by sand inlet pipe 14 under the action of gravity, and the specific gravity of air brought by sand inlet inlet pipe 13 is discharged by exhaust pipe 15 under the action of air pressure;Pomegranate sand in abrasive tank 17 is supplied to mixing valve 19 through flange 18, to ensure that water cutting machine works normally, and plays the role of a kind of mine water cutting machine wind pressure type automatic filtering sand adding device.

[0018] When stopping working, gate valve 6 is closed, separator 16 is removed, and the whole device is cleaned with clean water, and is placed in a ventilated and dry place.

[0019] It has been proved in practice that the mine water cutting machine wind pressure type automatic filtering sand adding device manufactured according to the above-mentioned implementation solution can be adjusted and used between 0.25 MPa, 0.5 MPa and 0.75 MPa in air pressure, and the sand output can be adjusted between 10 kg / min, 20 kg / min and 30 kg / min.

Claims

1. A mine water cutting machine air pressure type automatic filtering sand adding device, comprising a sand outlet tee (1), a sand leakage pipe (2), a negative pressure nozzle (3), a positive pressure tee (4), an M12 pair of wires (5), a gate valve (6), a sand storage tank air inlet pipe (7), an M16 pair of wires (8), a sand storage tank (9), a filter screen (10), an end cover (11), a safety exhaust valve (12), a sand inlet air inlet pipe (13), an air inlet sand pipe (14), an exhaust pipe (15), a separator (16), a water cutting machine abrasive tank (17), a flange (18), and a mixing valve (19); characterized in that: The negative pressure nozzle (3) is installed on the sand outlet tee (1), the positive pressure tee (4) is installed on the negative pressure nozzle (3), the M12 pair of wires (5) is installed on the positive pressure tee (4), the gate valve (6) is installed on the M12 pair of wires (5), the sand outlet tee (1) is installed on the sand leakage pipe (2), and the sand leakage pipe (2) is installed on the sand storage tank (9); the safety exhaust valve (12) is installed on the end cover (11), the filter screen (10) is placed in the sand storage tank (9), the end cover (11) is screwed on the upper end of the sand storage tank (9), the M16 pair of wires (8) is screwed on the sand storage tank (9), and the sand storage tank air inlet pipe (7) is connected between the M16 pair of wires (8) and the positive pressure tee (4); the separator (16) has an exhaust pipe (15) at the top and an air inlet sand pipe (14) in the middle, the separator (16) is placed at the upper end of the water cutting machine abrasive tank (17), and the sand inlet air inlet pipe (13) is connected between the sand outlet tee (1) and the air inlet sand pipe (14); the mixing valve (19) is installed on the flange (18), the flange (18) is installed at the lower end of the water cutting machine abrasive tank (17), and a mine water cutting machine air pressure type automatic filtering sand adding device is formed.

2. The automatic filter and sanding device of claim 1, wherein Open the end cover (11), add the pomegranate sand to the sand storage tank (9) through the filter screen (10), filter the pomegranate sand through the filter screen (10), and then screw the end cover (11); the mine downwind pressure passes through the gate valve (6), the M12 pair of wires (5) supplies air to the positive pressure tee (4), part of the high-pressure air passes through the sand storage tank air inlet pipe (7) and the M16 pair of wires (8) to the sand storage tank (9), so that the air in the sand storage tank (9) forms positive pressure, part of the high-pressure air passes through the negative pressure nozzle (3) to the sand outlet tee (1), so that the sand outlet tee (1) forms negative pressure, the air pressure in the sand storage tank (9) is greater than the air pressure of the sand outlet tee (1), and the pomegranate sand in the sand storage tank (9) will leak to the sand outlet tee (1) through the sand leakage pipe (2); at this time, the pomegranate sand enters the separator (16) through the sand inlet air inlet pipe (13) under the action of the air pressure, the specific gravity of the pomegranate sand brought by the sand inlet air inlet pipe (13) is large, and the pomegranate sand falls into the abrasive tank (17) through the air inlet sand pipe (14) under the action of gravity, the air brought by the sand inlet air inlet pipe (13) has small specific gravity, and is discharged through the exhaust pipe (15) under the action of the air pressure; the pomegranate sand in the abrasive tank (17) is supplied to the mixing valve (19) through the flange (18), so that the water cutting machine can work normally, and the function of a mine water cutting machine air pressure type automatic filtering sand adding device is realized.

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