CN215718473U

CN215718473U - Dust and blowout preventer of combined super-large wind pressure directional drilling machine

Info

Publication number: CN215718473U
Application number: CN202122316112.6U
Authority: CN
Inventors: 乐兴; 卞宗君
Original assignee: NANJING LINGXIANG ENERGY-SAVING TECHNOLOGY CO LTD
Current assignee: NANJING LINGXIANG ENERGY-SAVING TECHNOLOGY CO LTD
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-02-01
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses a dust and blowout prevention device of a combined type super-large wind pressure directional drilling machine, relates to the technical field of mine drilling, and aims to solve the problems that the existing dust and blowout prevention equipment of the drilling machine is difficult to remove dust with large dust amount, and underground potential safety hazards are easily generated due to factors such as abrasion of a transmission part and static electricity in the dust removal process. The both sides of removing dust and preventing spouting mechanism body one end all are provided with the air ejector, the one end of air ejector is provided with the dust remover, the other end of air ejector is provided with the gas collector, the top of dust remover is provided with into water and admits air the assembly, the inside of dust remover is provided with annular spray thrower, two the one end of intaking the assembly of admitting water is provided with air inlet and water inlet respectively, the one end that the air inlet is close to the assembly of admitting water is provided with the shunt, the one end that the assembly of admitting water is close to the dust remover of admitting water is provided with the connecting pipe.

Description

Dust and blowout preventer of combined super-large wind pressure directional drilling machine

Technical Field

The utility model relates to the technical field of mine drilling, in particular to a dust and blowout prevention device of a combined type super-large air pressure directional drilling machine.

Background

China has rich coal resources, but many mines belong to high gas mines, and safe mining can be ensured only by first pumping gas and then mining. The large amount of coal dust produced when the gas hole is drilled by compressed air during gas pumping causes the dust to be difficult to remove due to various special environments underground, the working environment is polluted, the risk of dust explosion is increased, the ratio of workers suffering from pneumoconiosis is greatly increased, along with the development of drilling technology, a plurality of drilling machine manufacturers invent drilling machine equipment with good drilling effect, straight hole diameter and deep drilling hole such as a directional drilling machine and a directional kilometer drilling machine, but along with the deepening of the hole diameter, the required air pressure must be increased to blow out the powder in the hole, so that high air pressure must be equipped, the air pressure generally can reach 1.2-1.6MPa, and the high air pressure must be accompanied by the ultra-large amount of the dust.

However, the existing drilling machine dust removal and blowout prevention equipment is difficult to remove dust with large dust amount, and the underground potential safety hazard is easily caused by factors such as transmission part abrasion, static electricity and the like in the dust removal process; therefore, the existing requirements are not met, and a combined type dust removal and blowout prevention device of the super-large wind pressure directional drilling machine is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a dust and blowout prevention device of a combined type super-large wind pressure directional drilling machine, which solves the problems that the existing drilling machine dust and blowout prevention equipment in the background technology is difficult to remove dust with large dust amount, and underground potential safety hazards are easily generated due to factors such as abrasion of a transmission part and static electricity in the dust removal process.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a modular dust removal and blowout preventer of directional rig of super large wind pressure, includes dust removal and blowout prevention mechanism body, the both sides of dust removal and blowout prevention mechanism body one end all are provided with the air ejector, the one end of air ejector is provided with the dust remover, the other end of air ejector is provided with the gas collector, the top of dust remover is provided with into water and admits air the assembly, the inside of dust remover is provided with annular spray thrower, two the one end of intaking air the assembly is provided with air inlet and water inlet respectively, the one end that the air inlet is close to into water and admits air the assembly is provided with the shunt, the one end that the assembly is close to the dust remover of intaking is provided with the connecting pipe, the one end of connecting pipe is provided with the stopper, the one end of dust remover is provided with the dust absorption steel wire pipe, the one end that the dust absorption steel wire pipe kept away from the dust remover is provided with the suction hood, a sewage draining outlet is arranged below the dust remover.

Preferably, the inner wall of the dust remover is provided with a dust concentration sensor, and the dust concentration sensor is detachably connected with the inner wall of the dust remover.

Preferably, the inner wall of dust remover is provided with dust concentration sensor, and dust concentration sensor is connected with the inner wall of dust remover is detachable, dust concentration sensor's output and the input electric connection of the water inlet assembly controller that admits air.

Preferably, the two sides of the dust hood are respectively provided with a rubber dustproof pad and a dust collecting pipe connecting ring.

Preferably, the lower end of the dust hood is provided with an orifice.

Preferably, a placing frame is arranged below the dust removing and blowout preventing mechanism body, and the placing frame is in threaded connection with the dust removing and blowout preventing mechanism body.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the annular sprayer is arranged in the dust remover, and the annular sprayer forms annular large-area water mist, so that the atomization effect of internal dust can be improved, the atomization time is prolonged by the flow divider, and the dust removal effect is improved.

2. The dust hood utilizes good sealing material to cover the dust produced in the orifice very well, prevents the dust from gushing and leaking, and then is connected with the dust remover through the double outlets, thereby ensuring that the dust can be separated and dredged in time.

3. The air ejector is adopted to form vacuum power, no transmission part, no friction and no static electricity exist, and the underground use is safer.

4. The dust is atomized and discharged in the special dust removal chamber, and the discharge port of the ejector only discharges clean air without blocking the jet flow channel, so that the equipment has few faults and is convenient to maintain.

5. The gas collector can discharge the gas mixture without dust and air into a special gas discharge pipeline in the pit, thereby reducing the gas discharge in the mining process and improving the mining safety.

6. The dust concentration sensor is used for detecting the concentration of the internal dust and feeding back detection data to the controller, so that atomization spraying operation can be automatically started and closed according to the detection data, and the whole intelligence is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of a partial structure of the present invention;

FIG. 3 is a schematic view of a partial structure of a dust collector of the present invention;

in the figure: 1. a dust removal and blowout prevention mechanism body; 2. an air ejector; 3. a water inlet and air inlet assembly; 4. an air inlet; 5. a water inlet; 6. a gas collector; 7. a sewage draining outlet; 8. placing a rack; 9. a dust-absorbing steel wire pipe; 10. a dust hood; 11. a rubber dust-proof pad; 12. a dust collecting pipe connecting ring; 13. a dust remover; 14. a flow divider; 15. a connecting pipe; 16. a stopper; 17. an annular sprayer; 18. an atomizing spray head; 19. a water delivery pipe; 20. an orifice; 21. and a dust concentration sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, an embodiment of the present invention is shown: a dust and blowout preventing device of a combined type super-large wind pressure directional drilling machine comprises a dust and blowout preventing mechanism body 1, wherein air ejectors 2 are arranged on two sides of one end of the dust and blowout preventing mechanism body 1, a dust remover 13 is arranged at one end of each air ejector 2, a gas collector 6 is arranged at the other end of each air ejector 2, a water inlet and air inlet assembly 3 is arranged above each dust remover 13, an annular sprayer 17 is arranged inside each dust remover 13, an air inlet 4 and a water inlet 5 are respectively arranged at one end of each air inlet and air inlet assembly 3, a flow divider 14 is arranged at one end, close to the water inlet and air inlet assembly 3, of each air inlet and air inlet assembly 3, a connecting pipe 15 is arranged at one end, close to each dust remover 13, of each connecting pipe 15 is provided with a stopper 16, one end, provided with a dust collecting steel wire pipe 9, and a dust collecting cover 10 is arranged at one end, far away from each dust remover 13, of each dust collecting steel wire pipe 9, a sewage draining outlet 7 is arranged below the dust remover 13.

Further, the inner wall of dust remover 13 is provided with dust concentration sensor 21, and dust concentration sensor 21 is connected with the inner wall of dust remover 13 is detachable, the output of dust concentration sensor 21 and the input electric connection of 3 controllers of the assembly that admits water, dust concentration sensor 21 is used for detecting inside dust concentration, and will detect data feedback to controller department, make the atomizing spray operation can carry out automation according to the detected data and open and close, improved holisticly intelligent.

Further, the lower surface of annular spraying ware 17 is provided with atomizer 18, and atomizer 18 is provided with a plurality of, and annular spraying ware 17's one end is provided with raceway 19, and atomizer 18 is used for atomizing water.

Further, the two sides of the dust hood 10 are respectively provided with a rubber dustproof pad 11 and a dust collecting pipe connecting ring 12, the rubber dustproof pad 11 is mainly made of rubber to play a dustproof effect, and the dust collecting pipe connecting ring 12 is used for connecting a dust collecting pipe.

Further, the lower end of the dust hood 10 is provided with an orifice 20, and the orifice 20 is used for sucking the generated dust.

Further, the placing frame 8 is arranged below the dust removing and blowout preventing mechanism body 1, the placing frame 8 is in threaded connection with the dust removing and blowout preventing mechanism body 1, and the placing frame 8 is used for improving the stability of equipment.

The working principle is as follows: when in use, high-pressure gas enters the air ejector 2 through the air inlet 4 of the combination body by using the same air pressure of the underground drilling machine as power, the combination body generates huge vacuum negative pressure simultaneously, under the action of the negative pressure, large particle dust coming out from the orifice 20 naturally settles through the matched double-port composite blowout prevention hole dust hood, small particle dust is taken away by the negative pressure for preliminary separation, the dust after the preliminary separation is sucked into the dust remover 13 through the dust suction steel wire pipe 9, the dust is adsorbed by water mist sprayed out of the internal annular sprayer 17, the naturally settled dust and the dust attached to the surface of the sprayed water are discharged to an underground appointed drainage position through the drain outlet 7 at the lower part of the dust removal chamber, the diverter 14 blocks and diverts strong airflow containing the dust, the tiny coal dust particles naturally settle again, the atomization time and the atomization area are increased, and finally, the mixed gas of gas and air without dust is sprayed out by the air ejector 2 and enters the gas collector 6, the gas collector 6 is connected with a gas pumping and discharging pipeline in the mine through an interface at the upper part of the gas collector, so that leakage-free discharge is realized.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a modular dust removal and blowout preventer of directional rig of super large wind pressure, includes dust removal and blowout preventer body (1), its characterized in that: the dust removal and blowout prevention mechanism is characterized in that air ejectors (2) are arranged on two sides of one end of a dust removal and blowout prevention mechanism body (1), a dust remover (13) is arranged at one end of each air ejector (2), a gas collector (6) is arranged at the other end of each air ejector (2), a water inlet assembly (3) is arranged above each dust remover (13), an annular sprayer (17) is arranged inside each dust remover (13), an air inlet (4) and a water inlet (5) are respectively arranged at one end of each of the two water inlet assemblies (3), a flow divider (14) is arranged at one end, close to the water inlet assembly (3), of each air inlet assembly (4), a connecting pipe (15) is arranged at one end, close to the dust remover (13), of each water inlet assembly (3), a stopper (16) is arranged at one end of each connecting pipe, a dust collection steel wire pipe (9) is arranged at one end of each dust remover (13), one end of the dust collection steel wire pipe (9) far away from the dust remover (13) is provided with a dust collection cover (10), and a sewage discharge outlet (7) is arranged below the dust remover (13).

2. The dust and blowout preventer of the combined ultra-large wind pressure directional drilling machine according to claim 1, wherein: the inner wall of dust remover (13) is provided with dust concentration sensor (21), and the detachable connection of inner wall of dust concentration sensor (21) and dust remover (13), the output of dust concentration sensor (21) and the input electric connection of the intake assembly (3) controller of intaking.

3. The dust and blowout preventer of the combined ultra-large wind pressure directional drilling machine according to claim 1, wherein: the lower surface of annular spraying ware (17) is provided with atomizer (18), and atomizer (18) are provided with a plurality of, the one end of annular spraying ware (17) is provided with raceway (19).

4. The dust and blowout preventer of the combined ultra-large wind pressure directional drilling machine according to claim 1, wherein: two sides of the dust hood (10) are respectively provided with a rubber dustproof pad (11) and a dust collecting pipe connecting ring (12).

5. The dust and blowout preventer of the combined ultra-large wind pressure directional drilling machine according to claim 1, wherein: the lower end of the dust hood (10) is provided with an orifice (20).

6. The dust and blowout preventer of the combined ultra-large wind pressure directional drilling machine according to claim 1, wherein: a placing rack (8) is arranged below the dust removing and blowout preventing mechanism body (1), and the placing rack (8) is in threaded connection with the dust removing and blowout preventing mechanism body (1).