CN220869374U - A gas extraction drilling hole high pressure circulation grouting sealing device - Google Patents

Abstract

The utility model belongs to the technical field of grouting and sealing holes, and in particular, relates to a high-pressure circulating grouting and sealing hole device for gas extraction drilling holes. A high-pressure circulating grouting and sealing hole device for gas extraction drilling holes, comprising an integrated pipeline, a connecting sleeve, a mud pump, a gas extraction pipeline, a high-pressure gas bottle, a sealing plate 1 and a sealing plate 2, wherein the connecting sleeve is arranged on one side of the integrated pipeline, the sealing plate 1 is arranged between the integrated pipeline and the connecting sleeve, the sealing plate 1 is connected to the integrated pipeline by threads, and the sealing plate 2 is slidably installed in the connecting sleeve. The high-pressure circulating grouting and sealing hole device for gas extraction drilling holes provided by the utility model is simple to operate, and the sealing work is performed by adding a pipeline connection, which not only has low cost and improves sealing performance, but also is convenient for disassembly and replacement, providing the advantage of convenience for later maintenance.

Description

A gas extraction drilling hole high pressure circulation grouting sealing device

Technical Field

The utility model belongs to the technical field of grouting and hole sealing, and in particular relates to a high-pressure circulating grouting and hole sealing device for gas extraction drilling.

Background technique

Gas extraction is an important measure to control gas disasters in coal mines. At the same time, it can improve the utilization rate of gas, reduce greenhouse gas emissions, and achieve the goal of energy conservation and emission reduction. Sealing is an important technology in gas extraction drilling in coal mines. The sealing effect of gas extraction drilling directly affects the effect and efficiency of gas extraction, and is particularly important for coal mine safety prevention and control. At present, the common sealing processes include cement mortar sealing, wood wedge yellow mud sealing, polyurethane foam sealing, and two-blocking and one-injection sealing. The cement sealing method and the wood wedge yellow mud sealing method have low costs and easy-to-obtain materials, but the sealing effect is poor; the polyurethane foam sealing method mainly uses less materials, is easy to carry, and has fast and labor-saving sealing operations, but the price is high and the sealing cost increases.

Therefore, it is necessary to provide a new gas extraction drilling high-pressure circulation grouting sealing device to solve the above technical problems.

Utility Model Content

The technical problem solved by the utility model is to provide a gas extraction drilling hole high-pressure circulation grouting sealing device which is simple to operate and performs hole sealing by adding a pipeline connection, which not only has low cost and improves sealing performance, but is also convenient for disassembly and replacement, thus providing convenience for later maintenance.

In order to solve the above technical problems, the utility model provides a technical solution of a gas extraction drilling high-pressure circulation grouting and sealing device as follows:

A gas extraction drilling high-pressure circulation grouting sealing device comprises an integrated pipeline, a connecting sleeve, a mud pump, a gas extraction pipeline, a high-pressure gas bottle, a sealing plate 1 and a sealing plate 2, wherein the connecting sleeve is arranged on one side of the integrated pipeline, the sealing plate 1 is arranged between the integrated pipeline and the connecting sleeve, the sealing plate 1 is connected to the integrated pipeline by threads, and the sealing plate 2 is slidably installed in the connecting sleeve;

Three connecting pipes are fixedly mounted on the sealing plate. One end of the three connecting pipes extends into the integrated pipeline, and one end of the three connecting pipes away from the sealing plate extends into the connecting sleeve.

As a further solution of the utility model, the connecting pipe 2 is slidably installed with three connecting pipes 2, one end of the three connecting pipes 2 extends into the connecting sleeve, the three connecting pipes 2 are sealedly connected to one end of the three connecting pipes 1 through three connecting flanges 1, and the three connecting pipes 1 are provided with valves, and the three valves are respectively located on one side of the three connecting flanges 1.

As a further solution of the utility model, the mud pump, gas extraction pipeline and high-pressure gas bottle are all connected with connecting pipes three, and the ends of the three connecting pipes two away from the sealing plate two are respectively connected to three telescopic hoses through three connecting flanges two, and the ends of the three telescopic hoses away from the three connecting pipes two are respectively connected to one end of the three connecting pipes three through three connecting flanges three.

As a further solution of the utility model, a sealing ring 1 is provided between the sealing plate 1 and the connecting sleeve, a plurality of mounting blocks 1 are fixedly mounted on the sealing plate 1, a plurality of mounting blocks 2 are fixedly mounted on the connecting sleeve, and the mounting blocks 1 and 2 are connected and fixed by fixing bolts 1.

As a further solution of the utility model, three sliding holes are opened on the sealing plate 2, and sealing rings 3 are arranged in the three sliding holes. The three sealing rings 3 are respectively matched with the three connecting pipes 2.

As a further solution of the utility model, a sealing ring 2 is provided between the outer wall of the sealing plate 2 and the inner wall of the connecting sleeve, and the sealing plate 2 and the connecting sleeve are connected and fixed by a plurality of fixing bolts 2.

Compared with the related art, the gas extraction drilling high-pressure circulation grouting and sealing device provided by the utility model has the following beneficial effects:

The utility model is simple to operate, and the sealing work is performed by adding a pipeline connection, which not only has low cost and improves the sealing performance, but also is convenient for disassembly, assembly and replacement, providing convenience for later maintenance.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

FIG1 is a schematic diagram of the structure of an embodiment of the present utility model;

FIG2 is an enlarged structural schematic diagram of part A in FIG1 ;

FIG. 3 is an enlarged structural schematic diagram of part B in FIG. 1 .

In the figure: 1. integrated pipeline; 2. connecting sleeve; 3. mud pump; 4. gas extraction pipeline; 5. high-pressure gas bottle; 6. sealing plate one; 7. sealing plate two; 8. connecting pipe one; 9. connecting pipe two; 10. connecting flange one; 11. valve; 12. connecting pipe three; 13. telescopic hose; 14. connecting flange two; 15. connecting flange three; 16. sealing ring one; 17. mounting block one; 18. mounting block two; 19. fixing bolt one; 20. sealing ring two; 21. fixing bolt two.

Detailed ways

The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but cannot be understood as limiting the present invention.

Example

A gas extraction drilling high-pressure circulation grouting sealing device, please refer to Figures 1, 2 and 3, including an integrated pipeline 1, a connecting sleeve 2, a mud pump 3, a gas extraction pipeline 4, a high-pressure gas bottle 5, a sealing plate 1 6 and a sealing plate 2 7, the connecting sleeve 2 is arranged on one side of the integrated pipeline 1, the sealing plate 1 6 is arranged between the integrated pipeline 1 and the connecting sleeve 2, the sealing plate 1 6 is connected to the integrated pipeline 1 by threads, and the sealing plate 2 7 is slidably installed in the connecting sleeve 2;

Three connecting pipes 8 are fixedly mounted on the sealing plate 6 , one end of the three connecting pipes 8 extends into the integrated pipeline 1 , and one end of the three connecting pipes 8 away from the sealing plate 6 extends into the connecting sleeve 2 .

Three connecting pipes 29 are slidably installed on the connecting pipe 29, one end of the three connecting pipes 29 extends into the connecting sleeve 2, and the three connecting pipes 29 are sealed and connected at one end close to the three connecting pipes 18 through three connecting flanges 10. Valves 11 are provided on the three connecting pipes 8, and the three valves 11 are respectively located on one side of the three connecting flanges 10.

The mud pump 3, the gas extraction pipeline 4 and the high-pressure gas bottle 5 are all connected to a connecting pipe three 12. One end of the three connecting pipes 29 away from the sealing plate 27 is connected to three telescopic hoses 13 through three connecting flanges 2 14 respectively. One end of the three telescopic hoses 13 away from the three connecting pipes 29 is connected to one end of the three connecting pipes 3 12 through three connecting flanges 3 15 respectively.

A sealing ring 16 is provided between the sealing plate 16 and the connecting sleeve 2. A plurality of mounting blocks 17 are fixedly mounted on the sealing plate 6. A plurality of mounting blocks 2 18 are fixedly mounted on the connecting sleeve 2. The mounting blocks 17 and 18 are connected and fixed by fixing bolts 19.

The sealing plate 2 7 is provided with three sliding holes, each of which is provided with a sealing ring 3, and the three sealing rings 3 are respectively matched with the three connecting pipes 2 9 .

A sealing ring 20 is provided between the outer wall of the sealing plate 7 and the inner wall of the connecting sleeve 2 , and the sealing plate 7 and the connecting sleeve 2 are connected and fixed by a plurality of fixing bolts 21 .

The working principle of a gas extraction drilling high-pressure circulation grouting and sealing device provided by the utility model is as follows:

Step 1: When in use, the sealing plate 1 6, the connecting flange 1 10, the valve 11, the connecting flange 2 14 and the connecting flange 3 15 can improve the connection sealing performance between the pipelines, thereby not only avoiding leakage between the connections between the pipelines, but also achieving a sealing effect;

The second step: through the cooperation of the high-pressure gas bottle 5, the connecting pipe 3 12, the telescopic hose 13, the connecting flange 2 14, the connecting pipe 2 9, the connecting flange 10 and the connecting pipe 1 8, pressure can be provided, and through the cooperation of the mud pump 3, the connecting pipe 3 12, the telescopic hose 13, the connecting flange 2 14, the connecting pipe 2 9, the connecting flange 10 and the connecting pipe 1 8, mud extraction work can be carried out, and through the cooperation of the gas extraction pipeline 4, the connecting pipe 3 12, the telescopic hose 13, the connecting flange 2 14, the connecting pipe 2 9, the connecting flange 10 and the connecting pipe 1 8, gas extraction work can be carried out;

The third step: by rotating, the fixing bolts 19 on the mounting block 17 and the mounting block 2 18 can be removed, and by rotating, the fixing bolts 2 21 on the connecting sleeve 2 can be removed. Then, the connecting sleeve 2 and the sealing plate 6 are separated to remove the connecting sleeve 2, and the sealing plate 6 can be separated from the integrated pipeline 1 by rotating. Because the connections among the connecting pipe 1 8, the connecting pipe 2 9, the telescopic hose 13 and the connecting pipe 3 12 are all flange connections, they can also be easily disassembled and replaced.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

In addition, the terms "first" and "second" are used for description only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

In the present invention, unless otherwise clearly defined and specified, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

In the present utility model, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims (6)

1. A gas extraction drilling high-pressure circulation grouting and sealing device, characterized in that it comprises an integrated pipeline, a connecting sleeve, a mud pump, a gas extraction pipeline, a high-pressure gas bottle, a sealing plate 1 and a sealing plate 2, wherein the connecting sleeve is arranged on one side of the integrated pipeline, the sealing plate 1 is arranged between the integrated pipeline and the connecting sleeve, the sealing plate 1 is connected to the integrated pipeline by threads, and the sealing plate 2 is slidably installed in the connecting sleeve; Three connecting pipes are fixedly mounted on the sealing plate. One end of the three connecting pipes extends into the integrated pipeline, and one end of the three connecting pipes away from the sealing plate extends into the connecting sleeve. 2. The gas extraction drilling high-pressure circulation grouting sealing device according to claim 1 is characterized in that the connecting pipe 1 is slidably installed with three connecting pipes 2, one ends of the three connecting pipes 2 extend into the connecting sleeve, and the three connecting pipes 2 are sealed and connected at one end close to the three connecting pipes 1 through three connecting flanges 1, and valves are provided on the three connecting pipes 1, and the three valves are respectively located on one side of the three connecting flanges 1. 3. The gas extraction drilling high-pressure circulation grouting and sealing device according to claim 1 is characterized in that the mud pump, gas extraction pipeline and high-pressure gas bottle are all connected with connecting pipes three, and the ends of the three connecting pipes two away from the sealing plate two are respectively connected with three telescopic hoses through three connecting flanges two, and the ends of the three telescopic hoses away from the three connecting pipes two are respectively connected with one end of the three connecting pipes three through three connecting flanges three. 4. The gas extraction drilling high-pressure circulation grouting sealing device according to claim 1 is characterized in that a sealing ring 1 is provided between the sealing plate 1 and the connecting sleeve, a plurality of mounting blocks 1 are fixedly mounted on the sealing plate 1, a plurality of mounting blocks 2 are fixedly mounted on the connecting sleeve, and the mounting blocks 1 and 2 are connected and fixed by fixing bolts 1. 5. The gas extraction drilling high-pressure circulation grouting sealing device according to claim 1 is characterized in that three sliding holes are opened on the sealing plate 2, and sealing rings 3 are provided in the three sliding holes, and the three sealing rings 3 are respectively adapted to the three connecting pipes 2. 6. The gas extraction drilling high-pressure circulation grouting sealing device according to claim 1 is characterized in that a sealing ring 2 is provided between the outer wall of the sealing plate 2 and the inner wall of the connecting sleeve, and the sealing plate 2 and the connecting sleeve are connected and fixed by a plurality of fixing bolts 2.