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CN-115749770-B - Comprehensive dust control system of mining development machine

CN115749770BCN 115749770 BCN115749770 BCN 115749770BCN-115749770-B

Abstract

The invention relates to the technical field of coal mine dust removal, in particular to a comprehensive dust control system of a mining development machine, which comprises a dust control air cylinder, a dust control air cylinder and a dust removal air sleeve, wherein the dust control air cylinder is arranged on a development machine main body, the dust removal air sleeve is of a cylindrical structure and is fixedly sleeved outside a cutting arm of the development machine main body, the dust removal air sleeve comprises an outer wall sleeve, an inner wall sleeve and two end rings fixedly arranged between the outer wall sleeve and the inner wall sleeve, an air suction cavity is jointly formed by the outer wall sleeve, the inner wall sleeve and the two end rings, a plurality of air inlet pipes are arranged on the outer wall sleeve, and the inner ends of the air inlet pipes are connected with the air suction ends of the dust control air cylinder through air suction pipelines. The dust removing air sleeve is arranged on the cutting arm of the heading machine, so that when the dust control air cylinder works, the dust removing air sleeve can absorb dust generated on a heading face for the first time, and compared with the traditional technology, the dust removing effect of the dust removing air sleeve is more timely.

Inventors

  • ZHAO BAOFU
  • LIANG HONGZHEN
  • HU CHENGJUN
  • LI BO
  • WANG LIXIN
  • GAO MING
  • Bu Zihao

Assignees

  • 中煤(天津)地下工程智能研究院有限公司
  • 中煤天津设计工程有限责任公司

Dates

Publication Date
20260512
Application Date
20230104

Claims (8)

  1. 1. The utility model provides a mining entry driving machine synthesizes dust control system which characterized in that includes: A dust control air cylinder (100), wherein the dust control air cylinder (100) is arranged on the heading machine main body (200); The dust removing air sleeve (300), the dust removing air sleeve (300) is of a cylindrical structure and is fixedly sleeved outside a cutting arm of the tunneling machine main body (200), the dust removing air sleeve (300) comprises an outer wall sleeve (301), an inner wall sleeve (302) and two end rings (303) fixedly arranged between the outer wall sleeve (301) and the inner wall sleeve (302), the outer wall sleeve (301), the inner wall sleeve (302) and the two end rings (303) jointly enclose an air extraction cavity, a plurality of air inlet pipes (304) are arranged on the outer wall sleeve (301), and the inner ends of the air inlet pipes (304) are connected with the air extraction ends of the dust controlling air sleeve (100) through air extraction pipelines (500); The spraying ring (400), the spraying ring (400) is in a ring-shaped hollow structure, the spraying ring (400) is sleeved outside the dust removal air sleeve (300) and is in rotary fit with the dust removal air sleeve, a nozzle (401) communicated with the inside of the spraying ring (400) is arranged on the outer ring wall of the spraying ring (400), the inside of the spraying ring (400) is communicated with the air extraction cavity, and The water supply mechanism (600) is communicated with the dust removal air sleeve (300) and is used for supplying water to the inside of the dust removal air sleeve (300); The air exhaust pipeline (500) comprises air exhaust rings (501), the number of the air exhaust rings (501) corresponds to the number of groups of the air inlet pipes (304), a plurality of air exhaust pipes (502) and an air exhaust pipe (503) which correspond to the air inlet pipes (304) one by one are further arranged on the air exhaust rings (501), the tail ends of the air exhaust pipes (502) are connected with the inner ends of the corresponding air inlet pipes (304), and the air exhaust pipes (503) are communicated with the air exhaust ends of the dust control air cylinders (100); The air extraction pipeline (500) further comprises air extraction ports (504) and an air extraction main pipe (505), the air extraction ports (504) penetrate through one end ring (303) and are fixedly connected with the end ring (303), one end of each air extraction port (504) located outside the air extraction cavity is provided with an interface, the number of interfaces of one end of each air extraction port (504) located in the air extraction cavity corresponds to that of the air extraction rings (501), the outer ends of the air extraction ports (504) are connected with one end of the air extraction main pipe (505), a plurality of interfaces of the inner ends of the air extraction ports (504) are respectively connected with a plurality of exhaust pipes (503), and one end of each air extraction main pipe (505) away from the air extraction ports (504) is connected with the air extraction end of the dust control air cylinder (100).
  2. 2. The comprehensive dust control system of the mining tunneling machine according to claim 1, wherein one end of the air inlet pipe (304) is located in the air suction cavity, the other end of the air inlet pipe (304) is located outside the air suction cavity and provided with the filter cover (305), the air inlet pipes (304) on the dust removal air sleeve (300) share a plurality of groups, each group comprises a plurality of air inlet pipes (304), and the plurality of air inlet pipes (304) of each group are uniformly distributed along the circumferential direction of the dust removal air sleeve (300).
  3. 3. The comprehensive dust control system of the mining tunneling machine according to claim 2, wherein a plurality of tension springs (306) which are in one-to-one correspondence with the air extraction pipes (502) are arranged in the air extraction cavity, one end of each tension spring (306) is connected with the corresponding air extraction pipe (502), and the other end of each tension spring (306) is connected with the inner wall sleeve (302).
  4. 4. The comprehensive dust control system of the mining tunneling machine according to claim 1, wherein the outer surface of the outer wall sleeve (301) is concavely and inwards provided with a rotary groove (307) along the circumferential direction, the groove wall of the rotary groove (307) is provided with a through hole communicated with the air suction cavity, the through hole is provided with a one-way valve (308), the one-way valve (308) only allows fluid to enter the rotary groove (307) from the air suction cavity, and the spray ring (400) is movably arranged in the rotary groove (307).
  5. 5. The comprehensive dust control system of the mining tunneling machine of claim 4, wherein sealing rings (309) are respectively attached to two inner side walls of the rotating groove (307), the two sealing rings (309) are respectively attached to two outer side walls of the spraying ring (400) in a sealing manner, and water inlets (402) are formed in the inner annular wall of the spraying ring (400) in a penetrating manner.
  6. 6. The comprehensive dust control system of the mining development machine according to claim 5, wherein a connecting rod (403) is fixedly arranged on the outer annular wall of the spraying ring (400), and one end, far away from the spraying ring (400), of the connecting rod (403) is fixedly connected with a cutting part of the development machine main body (200).
  7. 7. The comprehensive dust control system of the mining tunneling machine is characterized in that dust removing brushes (404) are further fixedly arranged on the outer annular wall of the spray ring (400), the dust removing brushes (404) are distributed along the axial direction of the dust removing air sleeve (300), and bristles of the dust removing brushes (404) are abutted with the outer surface of the dust removing air sleeve (300).
  8. 8. The comprehensive dust control system of the mining development machine, as set forth in claim 1, characterized in that the water supply mechanism (600) comprises a water tank (601), a water pump (602) and a water supply pipe (603), wherein the water tank (601) is arranged on the development machine main body (200), the water pump (602) is positioned in the water tank (601), one end of the water supply pipe (603) is connected with the water outlet end of the water pump (602), and the other end of the water supply pipe is connected with the water inlet (310) at one end of the dust removal wind sleeve (300).

Description

Comprehensive dust control system of mining development machine Technical Field The invention relates to the technical field of coal mine dust removal, in particular to a comprehensive dust control system of a mining heading machine. Background At present, dust hazard is one of the major disasters of the coal mine in the coal mining process, and the dust hazard not only affects the physical and mental health of workers, but also affects the safety production of the coal mine. In the prior art, dust removal in a mine tunnel is mainly carried out through a dust control air cylinder, and a fan capable of exhausting air is arranged in the dust control air cylinder. Specifically, in the use process, the dust control air cylinder is arranged at a position close to the tunneling working face, the tail end of the dust control air cylinder is connected with the exhaust pipe, and then the dust control air cylinder is started. During working, the dust control air cylinder can suck dust at the tunneling working face and exhaust air containing a large amount of dust through the exhaust pipe, so that the cleaning of the tunneling working face is ensured. However, the dust control air cylinder in the prior art is generally fixedly installed in a roadway or on a machine body of a heading machine, that is, the dust control air cylinder is still at a distance from a heading face, so that the dust control air cylinder cannot timely absorb dust generated at the heading face. Based on the above, we propose a comprehensive dust control system of a mining heading machine for solving the technical problems. Disclosure of Invention The invention aims to provide a comprehensive dust control system of a mining development machine, which is used for solving the problem that the existing dust control air cylinder is far away from a development working face and cannot timely absorb dust generated on the development working face. The above object of the present invention is achieved by the following technical solutions: a comprehensive dust control system of a mining development machine comprises: The dust control air cylinder is arranged on the tunneling machine main body; The dust removing air sleeve is of a cylindrical structure and is fixedly sleeved outside the cutting arm of the tunneling machine main body, the dust removing air sleeve comprises an outer wall sleeve, an inner wall sleeve and two end rings fixedly arranged between the outer wall sleeve and the inner wall sleeve, the outer wall sleeve, the inner wall sleeve and the two end rings jointly enclose an air extraction cavity, a plurality of air inlet pipes are arranged on the outer wall sleeve, and the inner ends of the air inlet pipes are connected with the air extraction ends of the dust control air cylinders through air extraction pipelines; The spraying ring is in an annular hollow structure, is sleeved outside the dust removal air sleeve and is in rotary fit with the dust removal air sleeve, a nozzle communicated with the inside of the spraying ring is arranged on the outer annular wall of the spraying ring, and the inside of the spraying ring is communicated with the air exhaust cavity, and The water supply mechanism is communicated with the dust removal air sleeve and is used for supplying water to the inside of the dust removal air sleeve. Optionally, one end of the air inlet pipe is positioned in the air extraction cavity, the other end of the air inlet pipe is positioned outside the air extraction cavity and provided with a filter cover, the air inlet pipes on the dust removal air sleeve share a plurality of groups, each group comprises a plurality of air inlet pipes, and the plurality of air inlet pipes of each group are uniformly distributed along the circumferential direction of the dust removal air sleeve. Optionally, the air extraction pipeline comprises air extraction rings, the number of the air extraction rings corresponds to the number of the groups of the air inlet pipes, a plurality of air extraction pipes and an air exhaust pipe, the air extraction pipes correspond to the air inlet pipes one by one, the tail ends of the air extraction pipes are connected with the inner ends of the corresponding air inlet pipes, the air exhaust pipes are communicated with the air extraction ends of the dust control air cylinders, and the air extraction rings, the air extraction pipes and the air exhaust pipes are made of flexible materials. Optionally, the air extraction pipeline further comprises an air extraction port and an air extraction main pipe, the air extraction port penetrates through one end ring and is fixedly connected with the end ring, one end of the air extraction port, which is located outside the air extraction cavity, is provided with an interface, the number of interfaces of one end of the air extraction port, which is located inside the air extraction cavity, corresponds to the number of the air extraction rings, the outer end of the air extraction