Gas slag-water separation tank on coal mine drilling blowout prevention and dust removal device

Abstract

The utility model discloses a gas slag-water separation box on a coal mine drilling blowout prevention and dust removal device, and belongs to underground mining drilling auxiliary devices. The device comprises a box body, a feeding pipe joint, a negative pressure pipe joint and a slag discharging opening are arranged on the box body; a function adapter is arranged in the box body; a spraying and slag-reducing assembly is mounted on the functional adapter tube; the box body is provided with a first water pipe for supplying water to the spraying and slag reducing assembly; a water sealing pipe is also arranged in the box body; the upper end of the functional adapter is communicated with the feeding pipe joint, the lower end of the functional adapter is inserted from the top opening of the water seal pipe, and a gap exists between the lower end of the functional adapter and the top opening of the water seal pipe; the other end of the water sealing pipe is connected to the slag discharging opening, and the height of the slag discharging opening is lower than that of a top opening of the water sealing pipe; the utility model effectively solves the problems that the currently used gas and slag-water separation tank under the mine is high in water consumption, and the gas extracted by negative pressure still contains more coal slag.

Description

Technical Field

[0001] The utility model relates to an underground mine drilling auxiliary device, in particular to a gas-slag-water separation box on a coal mine drilling blowout prevention and dust removal device. Background Art

[0002] During the drilling process underground, the treatment of gas spray holes in coal seams is an important issue related to the overall mine operation effect. In addition to spraying gas, the gas spray holes will also carry out coal slag and other fine dust particles. Therefore, it is necessary to carry out a certain degree of slag removal and cleaning of the gas from the spray holes. The applicant filed a patent application number 2020224500607 in 2020 for "A device for removing slag from drilling anti-gas spray holes in mines" in order to improve the separation of groundwater, coal slag dust and underground gas. effect; and in 2023, an improved design was made for the separation box of the above-mentioned patented equipment to achieve the purpose of removing the coal slag retained in the separation box. Its application number is 2023222153475, and the patent name is "A rotating device for removing coal slag on a blowout prevention device"; but in terms of the actual feedback from operators in coal mines, during the working process, the current separation box mainly has the problem of high water consumption, and the gas extracted through the negative pressure pipe still contains a lot of coal slag; and this is also the main problem to be solved by this application. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a gas-slag-water separation box on a coal mine drilling anti-blowout dust removal device to solve the problem that the currently used underground gas and slag-water separation boxes have high water consumption and the gas extracted under negative pressure still contains a lot of coal slag.

[0004] In order to solve the above problems, the present invention provides the following technical solutions:

[0005] A gas-slag-water separation box on a coal mine drilling and anti-blowout dust removal device; it comprises a hollow box body; a feed pipe joint is provided on the box body, and a negative pressure pipe joint and a slag discharge port are also provided on the box body; a functional transfer pipe is provided in the box body; a spray slag reduction assembly is installed on the functional transfer pipe; a first water pipe for supplying water to the spray slag reduction assembly is provided on the box body; a water seal pipe is also provided in the box body; the upper end of the functional transfer pipe is connected to the feed pipe joint, and the lower end is inserted from the top of the water seal pipe, and there is a gap between the lower end of the functional transfer pipe and the top of the water seal pipe; the other end of the water seal pipe is connected to the slag discharge port, and the height of the slag discharge port is lower than the height of the top of the water seal pipe; a second water pipe for supplying water to the water seal pipe is also provided in the box body.

[0006] Preferably, the box body is a vertical rectangular parallelepiped structure; the feed pipe joint and the negative pressure pipe joint are both arranged on the upper top surface of the box body.

[0007] Preferably, it also includes an inclined partition; the top end of the inclined partition is arranged on the upper top surface of the inner cavity of the box, and the other end extends below the negative pressure pipe joint; the width of the inclined partition is consistent with the width of the inner cavity of the box, and the installation height of the bottom of the inclined partition is less than the installation height of the top opening of the water seal pipe.

[0008] Preferably, the functional transfer tube and the feed pipe joint are detachably connected to the box body by means of flanges and bolts.

[0009] Preferably, the functional transfer pipe includes an upper circular pipe, a reducer and a lower circular pipe connected in sequence from top to bottom; the diameter of the upper circular pipe is larger than the diameter of the lower circular pipe; and the spray slag reduction component is installed on the upper circular pipe.

[0010] The spray slag reduction assembly includes several nozzles for spraying water mist; several positioning holes are provided on the circumferential side of the upper circular tube, and the number of positioning holes is consistent with the number of nozzles; the nozzles are installed at the positioning holes; an annular water supply container is also provided on the outer circumference of the upper circular tube; the nozzles are all located inside the water supply container; one end of the first water pipe is connected to the inner cavity of the water supply container.

[0011] Preferably, the water seal pipe includes a vertical pipe section connected to the functional transfer pipe; a folded pipe section is provided at the lower part of the vertical pipe section; the front end of the folded pipe section is placed on the bottom surface of the inner cavity of the box body, and the tail end thereof extends out from the slag discharge port; a slag discharge cover plate can also be installed at the tail end of the folded pipe section in an openable and closable manner.

[0012] Preferably, a drain pipe is installed on the side wall of the box body; and a sealing flange is detachably provided on the drain pipe.

[0013] Furthermore, the drainage pipe is located on the side wall of the box body near the bottom surface, and the slag discharge port is arranged on the upper side of the drainage pipe.

[0014] Beneficial effects of the utility model:

[0015] The utility model improves the currently used separation box for underground gas and slag water. It arranges a functional transfer pipe inside the separation box as a drainage pipe for feeding materials, and arranges a spray slag reduction component on the functional transfer pipe, so that the coal slag can be directly separated from the gas inside the pipe after contacting the sprayed water mist; in addition, a water seal pipe is arranged at the lower part of the functional transfer pipe. When the water seal pipe is filled with water, the gas overflowing from the functional transfer pipe passes through the water layer and is then extracted by the negative pressure pipe; the remaining coal slag and groundwater will remain in the water seal pipe. When cleaning is required, it is only necessary to open the end cover of the water seal pipe at the slag discharge port, and continuously inject water into the water seal pipe through the second water pipe to flush out the coal slag; compared with the previous separation box structure, the present application can effectively reduce water consumption and further improve the purification effect of drilling gas. It is easy to operate and more convenient to process and install. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of the utility model in an embodiment;

[0017] Figure 2 3D schematic diagram of the functional transfer tube and the spray slag reduction component in this embodiment;

[0018] Figure 3 is a perspective view of the inner cavity of the upper circular tube in this embodiment;

[0019] Figure 4 yes Figure 1 The schematic diagram of the structure after the box and the outer structure of the box are removed;

[0020] Explanation of the accompanying symbols: 1. Box body, 2. Feed pipe joint, 3. Negative pressure pipe joint, 4. Function transfer pipe, 4A. Upper circular pipe, 4B. Reducer, 4C. Lower circular pipe, 5. Spray slag reduction assembly, 5A. Nozzle, 5B. Water supply container, 6. First water pipe, 7. Water seal pipe, 8. Second water pipe, 9. Inclined partition, 10. Slag discharge cover plate, 11. Drain pipe, 12. Sealing flange. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0022] Example:

[0023] Reference Figure 1 , this embodiment provides a gas-slag-water separation box on a coal mine drilling and anti-blowout dust removal device; it includes a hollow box body 1; a feed pipe joint 2 is provided on the box body 1, and a negative pressure pipe joint 3 and a slag discharge port are also provided on the box body 1; a functional transfer pipe 4 is provided in the box body 1; a spray slag reduction component 5 is installed on the functional transfer pipe 4; a first water pipe 6 for supplying water to the spray slag reduction component 5 is provided on the box body 1; a water seal pipe 7 is also provided in the box body 1; the upper end of the functional transfer pipe 4 is connected to the feed pipe joint 2, and the lower end is inserted from the top position of the water seal pipe 7, and there is a gap between the lower end of the functional transfer pipe 4 and the top of the water seal pipe 7; the other end of the water seal pipe 7 is connected to the slag discharge port, and the height of the slag discharge port is lower than the top height of the water seal pipe 7; a second water pipe 8 for supplying water to the water seal pipe 7 is also provided in the box body 1.

[0024] The box body 1 is a vertical rectangular parallelepiped structure; the feed pipe joint 2 and the negative pressure pipe joint 3 are both arranged on the upper top surface of the box body 1.

[0025] The device further includes an inclined baffle 9, the top end of which is positioned on the upper surface of the inner cavity of the housing 1, and the other end of which extends below the negative pressure pipe connector 3. The width of the inclined baffle 9 is consistent with the width of the inner cavity of the housing 1, and the installation height of the bottom of the inclined baffle 9 is less than the installation height of the top opening of the water seal pipe 7. The installation of the inclined baffle not only further improves the gas-slag separation effect, but also provides a temporary shielding effect in the event of air leakage at the functional transfer pipe, thereby reducing the amount of coal slag that directly enters the negative pressure pipe.

[0026] The functional transfer tube 4 and the feed pipe joint 2 are detachably connected to the box body 1 by means of flanges and bolts.

[0027] The functional transfer tube 4 comprises an upper circular tube 4A, a reducer 4B, and a lower circular tube 4C, connected in descending order. The diameter of the upper circular tube 4A is larger than that of the lower circular tube 4C. The spray slag reduction assembly 5 is mounted on the upper circular tube 4A. In this embodiment, the diameter of the feed pipe connector 2 is smaller than that of the upper circular tube 4A.

[0028] The spray slag reduction assembly 5 includes a plurality of nozzles 5A for spraying water mist; a plurality of positioning holes are provided on the circumference of the upper circular tube 4A, and the number of positioning holes is consistent with the number of nozzles 5A; the nozzles 5A are installed at the positioning holes; an annular water supply container 5B is also provided on the outer circumference of the upper circular tube 4A; the nozzles 5A are all located inside the water supply container 5B; one end of the first water pipe 6 is connected to the inner cavity of the water supply container 5B. In this embodiment, the water supply container includes a pair of parallel annular positioning rings provided on the outer circumference of the upper circular tube, and a hollow tube is fixed on the positioning ring, and the diameter of the inner cavity of the hollow tube is larger than the outer diameter of the first water pipe; the area enclosed by the upper circular tube, the positioning ring and the hollow tube is the closed water supply area.

[0029] The water seal pipe 7 includes a vertical pipe section connected to the functional transfer pipe 4; a folded pipe section is provided at the lower part of the vertical pipe section; the front end of the folded pipe section is placed on the bottom surface of the inner cavity of the box body 1, and the tail end thereof extends out from the slag discharge port; a slag discharge cover plate 10 can also be installed at the tail end of the folded pipe section in an openable and closable manner.

[0030] A drainage pipe 11 is also installed on the side wall of the box body 1; a sealing flange 12 is also detachably provided on the drainage pipe 11.

[0031] The drainage pipe 11 is located on the side wall of the box body 1 near the bottom surface, and the slag discharge port is provided on the upper side of the drainage pipe 11 .

[0032] The working principle of the utility model device in this embodiment is as follows:

[0033] When the water-slag-gas mixture discharged from the drilling hole enters the functional transfer pipe through the feed pipe joint, the spray slag reduction assembly located at the upper circular pipe position sprays water mist into the upper circular pipe. The coal slag in the mixture will combine with the water mist after contacting it and fall into the water seal pipe. As for the remaining small amount of coal slag still mixed in the air, it will enter the water seal pipe filled with water in advance under the action of the internal and external air pressure difference. In this process, the remaining fine coal slag will be completely dissolved in the water, and the gas will overflow along the gap between the lower circular pipe and the water seal pipe and be led out through the negative pressure pipe joint; after a period of time, it is only necessary to open the slag discharge cover of the water seal pipe at the slag discharge port position, and then inject water into the water seal pipe from the second water pipe to flush out the coal slag and the like remaining in the water seal pipe; since it is necessary to continuously add water to the water seal pipe through the spray slag reduction assembly, the water in the water seal pipe will overflow. In this application, a drain pipe and a detachable sealing flange are also provided on the side wall of the box to meet intermittent drainage work.

Claims

1. A gas-slag-water separation box for a coal mine drilling and dust removal device, comprising a hollow box body (1); a feed pipe joint (2) is provided on the box body (1); a negative pressure pipe joint (3) and a slag discharge port are also provided on the box body (1); and the characteristics are: A functional transfer pipe (4) is provided in the box body (1); a spray slag reduction assembly (5) is installed on the functional transfer pipe (4); a first water pipe (6) for supplying water to the spray slag reduction assembly (5) is provided on the box body (1); a water seal pipe (7) is also provided in the box body (1); the upper end of the functional transfer pipe (4) is connected to the feed pipe joint (2), and the lower end is inserted from the top opening of the water seal pipe (7), and a gap exists between the lower end of the functional transfer pipe (4) and the top opening of the water seal pipe (7); the other end of the water seal pipe (7) is connected to the slag discharge port, and the height of the slag discharge port is lower than the height of the top opening of the water seal pipe (7); a second water pipe (8) for supplying water to the water seal pipe (7) is also provided in the box body (1).

2. The gas-slag-water separation box on the coal mine drilling and anti-blowout dust removal device according to claim 1 is characterized by: The box body (1) is a vertical rectangular parallelepiped structure; the feed pipe joint (2) and the negative pressure pipe joint (3) are both arranged on the upper top surface of the box body (1).

3. The gas-slag-water separation box on the coal mine drilling and dust removal device according to claim 1 is characterized by: It also includes an inclined partition (9); the top end of the inclined partition (9) is arranged on the upper top surface of the inner cavity of the box body (1), and the other end extends below the negative pressure pipe joint (3); the width of the inclined partition (9) is consistent with the width of the inner cavity of the box body (1), and the installation height of the bottom of the inclined partition (9) is less than the installation height of the top opening of the water seal pipe (7).

4. The gas-slag-water separation box on the coal mine drilling and anti-blowout dust removal device according to claim 1 is characterized by: At the locations where the functional transfer tube (4) and the feed pipe joint (2) are connected to the box body (1), they are detachably connected by means of flanges and bolts.

5. The gas-slag-water separation box on the coal mine drilling and anti-blowout dust removal device according to claim 1 is characterized by: The functional transfer pipe (4) comprises an upper circular pipe (4A), a reducing pipe (4B) and a lower circular pipe (4C) which are connected in sequence from top to bottom; the diameter of the upper circular pipe (4A) is larger than the diameter of the lower circular pipe (4C); and the spray slag reduction assembly (5) is installed at the upper circular pipe (4A).

6. The gas-slag-water separation box on the coal mine drilling and blowout prevention and dust removal device according to claim 5 is characterized by: The spray slag reduction assembly (5) includes a plurality of nozzles (5A) for spraying water mist; a plurality of positioning holes are provided on the circumference of the upper circular tube (4A), and the number of the positioning holes is consistent with the number of the nozzles (5A); the nozzles (5A) are installed at the positioning holes; an annular water supply container (5B) is also provided on the outer circumference of the upper circular tube (4A); the nozzles (5A) are all located inside the water supply container (5B); and one end of the first water pipe (6) is connected to the inner cavity of the water supply container (5B).

7. The gas-slag-water separation box on the coal mine drilling and dust removal device according to claim 1 is characterized by: The water seal pipe (7) includes a vertical pipe section connected to the functional transfer pipe (4); a folded pipe section is provided at the lower portion of the vertical pipe section; the front end of the folded pipe section is placed on the bottom surface of the inner cavity of the box body (1), and the rear end thereof extends out from the slag discharge port; and a slag discharge cover plate (10) is also installed at the rear end of the folded pipe section in an openable and closable manner.

8. The gas-slag-water separation box on a coal mine drilling blowout prevention and dust removal device according to claim 1, characterized in that: A drainage pipe (11) is also installed on the side wall of the box body (1); a sealing flange (12) is also detachably provided on the drainage pipe (11).

9. The gas-slag-water separation box on the coal mine drilling and blowout prevention and dust removal device according to claim 8, characterized in that: The drainage pipe (11) is located on the side wall of the box body (1) near the bottom surface, and the slag discharge port is arranged on the upper side of the drainage pipe (11).

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