CN216866742U

CN216866742U - Long-distance large-fall coal face pump station liquid supply system

Info

Publication number: CN216866742U
Application number: CN202220385262.4U
Authority: CN
Inventors: 琚朝旭; 张周鑫; 周敏; 徐冲
Original assignee: Huainan Mining Group Co Ltd
Current assignee: Huainan Mining Group Co Ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-07-01
Anticipated expiration: 2032-02-23

Abstract

The utility model discloses a long-distance large-drop coal face pump station liquid supply system, wherein the lower end of a first machine head support is communicated with a first liquid inlet pipeline, the outer side of the first liquid inlet pipeline is communicated with a second liquid inlet pipeline, the lower ends of the first liquid inlet pipeline and the second liquid inlet pipeline are communicated with an emulsion pump station together, the emulsion pump station comprises 4 emulsion pumps, the 4 emulsion pumps are arranged in parallel and combined, the lower ends of a second middle support and a third machine tail support are respectively communicated with the second liquid inlet pipeline, the emulsion pump station comprises a first liquid return pipeline and a second liquid return pipeline, one end of the first liquid return pipeline, far away from the emulsion pump station, is communicated with the first machine head support, the liquid supply pressure drop is small, the flow is stable, the normal pressure supply of the working face propulsion is ensured, and a foundation is laid for the future large-distance drop liquid supply practice, greatly improves the practicability and is easy to popularize.

Description

Long-distance large-fall coal face pump station liquid supply system

Technical Field

The utility model relates to the technical field of coal mine operation, in particular to a long-distance large-fall coal face pump station liquid supply system.

Background

Combine and adopt working face hydraulic support high pressure to supply liquid is a indispensable process of coal face, generally adopt fixed pump station to supply liquid and remove pump station to supply liquid two kinds of forms among the prior art, fixed pump station supplies liquid and generally supplies liquid distance no more than 1500m, it can move along with the control cabinet to remove the pump station in the lump, but receive and beat transport ability and roadway condition restriction more, when the roadway condition is unfavorable for setting up the removal pump station, have to adopt fixed pump station, fixed pump station if set up in the working face crossheading in order, need expand the brush chamber with regard to indispensable, and later stage when the pump station position is closed on in the stope, need move the pump station, so both increased work load and produced the influence to high-efficient recovery.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: a remote multi-input multi-output pump station liquid supply system is provided.

In order to solve the technical problems, the utility model provides the following technical scheme: the liquid supply system comprises a first machine head support, a second middle support, a third machine tail support, a pressure gauge and a second connecting pipe, wherein the first machine head support is positioned in a first roadway, the second middle support is positioned in the middle of a coal face, the first roadway is positioned below the coal face, the third machine tail support is positioned in a second roadway, and the second roadway is positioned above the first roadway;

the lower extreme intercommunication of first locomotive support has first liquid inlet pipe way, the outside intercommunication of first liquid inlet pipe way has the second liquid inlet pipe way, the common intercommunication of the lower extreme of first liquid inlet pipe way, second liquid inlet pipe way has the emulsion pump station, the emulsion pump station includes 4 emulsion pumps, and 4 emulsion pumps are parallelly connected jointly to be arranged, the lower extreme of second middle part support, third tail support communicates with the second liquid inlet pipe way respectively, the emulsion pump station includes first liquid return pipeline, second liquid return pipeline, the one end that the emulsion pump station was kept away from to first liquid return pipeline is linked together with first locomotive support, the upper end of second liquid return pipeline is linked together with second middle part support, third tail support respectively through two second connecting pipes.

Preferably, the following components: the lower ends of the first machine head support, the second middle support and the third machine tail support are connected with pressure gauges, and the upper ends of the first liquid inlet pipeline and the second liquid inlet pipeline are respectively communicated with the first machine head support, the second middle support and the third machine tail support through the pressure gauges.

Preferably: and one end of the second liquid return pipeline, which is far away from the emulsion pump station, is communicated with the first liquid return pipeline.

Preferably: the lower ends of the first machine head support, the second middle support and the third machine tail support are fixedly connected with safety valves, and the safety valves are respectively communicated with the upper ends of the first liquid return pipeline and the two second connecting pipes.

Preferably: the method is characterized in that: the emulsion pump station includes 6 water tanks, and 6 water tanks are the tandem structure.

Preferably: the first liquid inlet pipeline, the second liquid inlet pipeline, the first liquid return pipeline, the second liquid return pipeline and the second connecting pipe are all pipelines with the diameter of 51 mm.

Preferably: and the emulsion pump station is positioned at an outer port of the system main roadway.

Compared with the prior art, the utility model has the beneficial effects that: this application is through reforming transform traditional single-way feed liquor pipe into double-circuit feed liquor pipe, form multichannel bull feed liquor, the effectual loss of pressure that has reduced, guarantee the steady of feed liquor flow simultaneously, establish ties 6 water tanks through the emulsion pump station, the effectual liquid of supplying of having guaranteed, it is not extravagant to have realized returning whole recoveries of liquid, and through 4 emulsion pumps, and 4 emulsion pumps are parallelly connected jointly to arrange, it guarantees to have sufficient power to supply the liquid effect, simultaneously through adding the manometer, effectual real-time supervision carries out to pressure, so that in time fluid infusion pressure boost, the practicality of device has been improved greatly.

Drawings

FIG. 1 is a schematic structural diagram of a liquid supply system of a long-distance large-fall coal face pumping station according to an embodiment of the utility model;

FIG. 2 is a system optimization layout diagram of a long-distance large-fall coal face pumping station liquid supply system according to an embodiment of the utility model;

in the figure: 1-a first head support; 2-a second mid-mount; 3-a third tail support; 4-a pressure gauge; 5-a first liquid inlet pipeline; 6-a second liquid inlet pipeline; 7-an emulsion pump station; 8-a first liquid return line; 9-a second return line; 10-a second connecting tube; 11-safety valve.

Detailed Description

In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, the embodiment discloses a liquid supply system of a long-distance large-fall coal face pumping station, which comprises a first machine head support 1, a second middle support 2, a third machine tail support 3, a pressure gauge 4, a first liquid inlet pipeline 5, a second liquid inlet pipeline 6, an emulsion pump station 7, a first liquid return pipeline 8, a second liquid return pipeline 9, a second connecting pipe 10 and a safety valve 11.

Referring to fig. 1, a first engine head support 1 is located in a first roadway, a second middle support 2 is located in a second roadway, the first roadway is higher than the second roadway, a third engine tail support 3 is located in a third roadway, the third roadway is lower than the second roadway, and the fall between the first roadway and the third roadway is about 215 m.

In this embodiment, the first roadway is a coal face transportation crossheading roadway, and the second roadway is a coal face return air crossheading roadway.

Referring to fig. 1, the lower end of the first handpiece support 1 is communicated with a first liquid inlet pipeline 5, the outer side of the first liquid inlet pipeline 5 is communicated with a second liquid inlet pipeline 6, the lower ends of the first liquid inlet pipeline 5 and the second liquid inlet pipeline 6 are communicated with an emulsion pump station 7, and the distance between the first liquid inlet pipeline 5 and the emulsion pump station 7 is about 2710 m.

Referring to fig. 1, the lower ends of the second middle support 2 and the third tail support 3 are respectively communicated with a second liquid inlet pipeline 6.

In this embodiment, the lower ends of the first machine head support 1, the second middle support 2 and the third machine tail support 3 are all connected with a pressure gauge 4, and the upper ends of the first liquid inlet pipeline 5 and the second liquid inlet pipeline 6 are respectively communicated with the first machine head support 1, the second middle support 2 and the third machine tail support 3 through the pressure gauge 4.

Referring to fig. 2, the emulsion pump station 7 is located at the outer port of the system main roadway, so that the whole operation is within the coverage range of the high-pressure pipeline, favorable conditions are created for later roadway repair construction monomers, and the roadway repair workload of a large number of bedded torn sides is effectively reduced.

In this embodiment, emulsion pump station 7 includes 6 water tanks, and 6 water tanks are the series connection structure, and the effectual liquid that has guaranteed to supply is continuous, can realize again that whole of returning the liquid are retrieved and not extravagant

In this embodiment, the emulsion pump station 7 further includes 4 emulsion pumps, and the 4 emulsion pumps are jointly arranged in parallel, so that sufficient power is ensured to ensure the liquid supply effect.

Referring to fig. 1, one end of the first liquid return pipeline 8, which is far away from the emulsion pump station 7, is communicated with the first engine head support 1, and the upper end of the second liquid return pipeline 9 is respectively communicated with the second middle support 2 and the third engine tail support 3 through two second connecting pipes 10.

In this embodiment, one end of the second liquid return pipeline 9, which is far away from the emulsion pump station 7, is communicated with the first liquid return pipeline 8.

In this embodiment, the equal fixedly connected with relief valve 11 of lower extreme of first aircraft nose support 1, second middle part support 2, third tail support 3, a plurality of relief valves 11 are linked together with the upper end of first liquid return pipeline 8 and two second connecting pipes 10 respectively, and effectual real-time supervision is carried out to pressure to in time fluid infusion pressure boost, improved the practicality of device greatly.

In this embodiment, the first liquid inlet pipeline 5, the second liquid inlet pipeline 6, the first liquid return pipeline 8, the second liquid return pipeline 9, and the second connecting pipe 10 are all pipelines with a diameter of 51mm, so that the pressure loss is effectively reduced.

The working principle of the embodiment is as follows: a worker arranges an emulsion pump station 7 at an outer opening of a system main roadway, arranges 4 emulsion pumps in parallel, arranges 6 water tanks in series, communicates a first liquid inlet pipeline 5 with a first engine head support 1, adds a second liquid inlet pipeline 6 to communicate with the first liquid inlet pipeline 5, communicates the second liquid inlet pipeline 6 with a second middle support 2 and a third engine tail support 3 through connecting pipes, communicates a first liquid return pipeline 8 with the first engine head support 1, communicates with a first liquid return pipeline 8 through a second liquid return pipeline 9, communicates with the first liquid return pipeline 8 through two second connecting pipes 10 communicated with the outer side of the second liquid return pipeline 9 to communicate with the second middle support 2 and the third engine tail support 3 respectively to form a multi-inlet multi-return liquid supply system, and can ensure the liquid supply pressure at the tail side of the engine while reducing the pressure loss, the multi-pipe liquid supply device can ensure the stability of liquid supply flow, creates extremely favorable conditions for improving upper limit section recovery, has small pressure drop and stable flow of the liquid supply, ensures the normal pressure supply of working face propulsion, lays a foundation for the practice of large-drop long-distance liquid supply in future, greatly improves the practicability and is easy to popularize.

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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The above-mentioned embodiments only represent the embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the concept of the present invention, and these embodiments are all within the protection scope of the present invention.

Claims

1. Long-distance large-fall coal face pump station liquid supply system, its characterized in that: the coal mining device comprises a first machine head support (1), a second middle support (2), a third machine tail support (3), a pressure gauge (4) and a second connecting pipe (10), wherein the first machine head support (1) is positioned in a first roadway, the second middle support (2) is positioned in the middle of a coal face, the first roadway is positioned below the coal face, the third machine tail support (3) is positioned in a second roadway, and the second roadway is positioned above the first roadway;

the lower extreme intercommunication of first locomotive support (1) has first liquid inlet pipe way (5), the outside intercommunication of first liquid inlet pipe way (5) has second liquid inlet pipe way (6), the common intercommunication of the lower extreme of first liquid inlet pipe way (5), second liquid inlet pipe way (6) has emulsion pump station (7), emulsion pump station (7) include 4 emulsion pumps, and 4 emulsion pumps are parallelly connected jointly to arrange, the lower extreme of second middle part support (2), third tail support (3) is linked together with second liquid inlet pipe way (6) respectively, emulsion pump station (7) include first liquid return pipeline (8), second liquid return pipeline (9), the one end that emulsion pump station (7) were kept away from in first liquid return pipeline (8) is linked together with first locomotive support (1), the upper end of second liquid return pipeline (9) is through two second connecting pipes (10) respectively with second middle part support (2), The third machine tail bracket (3) is communicated.

2. The remote large-drop coal face pumping station liquid supply system according to claim 1, characterized in that: the lower ends of the first machine head support (1), the second middle support (2) and the third machine tail support (3) are respectively connected with a pressure gauge (4), and the upper ends of the first liquid inlet pipeline (5) and the second liquid inlet pipeline (6) are respectively communicated with the first machine head support (1), the second middle support (2) and the third machine tail support (3) through the pressure gauge (4).

3. The remote large-drop coal face pumping station liquid supply system according to claim 1, characterized in that: and one end of the second liquid return pipeline (9) far away from the emulsion pump station (7) is communicated with the first liquid return pipeline (8).

4. The remote large-drop coal face pumping station liquid supply system according to claim 1, characterized in that: the lower ends of the first machine head support (1), the second middle support (2) and the third machine tail support (3) are fixedly connected with safety valves (11), and the safety valves (11) are respectively communicated with the upper ends of the first liquid return pipeline (8) and the two second connecting pipes (10).

5. The remote large-drop coal face pumping station liquid supply system according to claim 1, characterized in that: the emulsion pump station (7) comprises 6 water tanks, and the 6 water tanks are in a series structure.

6. The remote large-drop coal face pumping station liquid supply system according to claim 1, characterized in that: the first liquid inlet pipeline (5), the second liquid inlet pipeline (6), the first liquid return pipeline (8), the second liquid return pipeline (9) and the second connecting pipe (10) are all pipelines with the diameter of 51 mm.

7. The remote large-drop coal face pumping station liquid supply system according to claim 1, characterized in that: and the emulsion pump station (7) is positioned at an outer port of the system main roadway.