Compressed air system suitable for gas fracturing exploitation

Abstract

The air compression system comprises a base, an air storage tank and an air compressor, the air storage tank is fixedly installed on one side of the upper end of the base, the air compressor is fixedly installed on one side of the upper end of the air storage tank, the other side of the upper end of the air storage tank is fixedly connected with an air delivery valve, and the air delivery valve is fixedly connected with the base. The device is characterized in that a support is fixedly installed on the other side of the upper end of the base, and a sliding seat is connected into the support in a sliding mode. The air supply equipment has the beneficial effects that the air supply equipment consisting of the air storage tank, the air compressor, the air supply pipe, the bracket, the sliding seat, the air supply plate, the telescopic air cylinder, the elastic pipe and the air injection valve is arranged, so that compressed air can be filled into an expansion device provided in an air energy expansion rock fracturing system with the Chinese invention patent number of CN116697820A in batches; therefore, after a large number of expansion devices are buried, gas injection operation can be completed in batches, the operation amount is reduced, and the operation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air - energy mineral mining, and particularly relates to a compressed air system applicable to gas - induced fracturing mining. Background Technique

[0002] Rock blasting is a process of applying load to rocks by the combined action of explosive gas expansion and reflection and tension of explosive stress waves, resulting in the destruction of the rock structure, which has extensive applications in both the mining industry and the construction industry. Using compressed air as the expansion gas for rock fracturing is a newly developed mining technology in recent years. Compared with the traditional explosive blasting method, air - energy rock fracturing has less harm to the environment and higher safety.

[0003] In the existing air - energy expansion rock fracturing system with the Chinese invention patent number CN116697820A, an expansion device for batch drilling and embedding is provided. In this technical solution, in order to make up for the blasting effect, it is necessary to increase the number of drilled holes and the embedding density. However, after the embedding of this expansion device, compressed air needs to be filled. Therefore, the workload of filling compressed air into the expansion device after embedding is also large, and the operation efficiency is low. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide a compressed air system applicable to gas - induced fracturing mining that can complete the compressed air filling operation in batches to improve the operation efficiency according to the current situation of the prior art.

[0005] The utility model is realized through the following technical solutions: The utility model provides a compressed air system applicable to gas - induced fracturing mining, including a base, a gas storage tank, and an air compressor. The gas storage tank is fixedly installed on one side of the upper end of the base, the air compressor is fixedly installed on one side of the upper end of the gas storage tank, and a gas transmission valve is fixedly connected to the other side of the upper end of the gas storage tank. It is characterized in that: a bracket is fixedly installed on the other side of the upper end of the base, a sliding seat is slidably connected inside the bracket, one end of the sliding seat is fixedly connected to a gas supply plate, air channels are opened in both the sliding seat and the gas supply plate and are communicated, a gas supply pipe is connected between the gas transmission valve and the sliding seat, the gas supply pipe is a telescopic pipe, elastic pipes are inserted into the side walls of the gas supply plate far away from the sliding seat, and one end of each elastic pipe is connected to an air injection valve.

[0006] By adopting the above - mentioned technical solution, the high - pressure air in the gas storage tank can be transported to the sliding seat and the gas supply plate through the gas supply pipe, so that the air injection valve can inject the high - pressure air in the gas supply plate into the expansion device.

[0007] Further, a slide rail is provided inside the bracket, and the slide seat is slidably connected within the slide rail. At both ends inside the slide rail, screws and slide bars are evenly distributed. The screw penetrates through the slide seat and is in meshing connection, and the slide bar penetrates through the slide seat and is slidably connected. A driving motor is fixedly installed at the upper end of the bracket, and the transmission output end of the driving motor is key-connected to the screw.

[0008] By adopting the above technical solution, the driving motor can drive the slide seat to perform a vertical sliding displacement along the slide rail through the screw.

[0009] Further, telescopic cylinders are fixedly distributed at the upper ends of the air supply plates. The number of the telescopic cylinders matches the number of the elastic tubes. A connecting piece is fixedly installed at the movable end of the telescopic cylinder. The connecting piece is sleeved around the elastic tube and fixedly connected. The air injection valve is a plug-in connection valve.

[0010] By adopting the above technical solution, the telescopic cylinder can drive the elastic tube to perform extension adjustment through the connecting piece, so that the air injection valve can complete the plug-in connection operation.

[0011] Further, a barometer is fixedly installed on one side of the upper end of the slide seat, and the detection end of the barometer is located in the air ducts of the slide seat and the air supply plate.

[0012] By adopting the above technical solution, the barometer can detect the air pressure change in the air supply plate.

[0013] The utility model has the following beneficial effects compared with the prior art:

[0014] By setting up an air supply device composed of an air storage tank, an air compressor, an air supply pipe, a bracket, a slide seat, an air supply plate, a telescopic cylinder, an elastic tube and an air injection valve, the utility model can provide batch filling of compressed air for the expansion device in an air energy expansion rock fracturing system with Chinese invention patent number CN116697820A. Thus, after a large number of the expansion devices are buried, the air injection operation can be completed batch by batch, reducing the workload and improving the operation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural view of a compressed air system for gas fracturing mining according to the utility model;

[0016] Figure 2 is a rear view of a compressed air system for gas fracturing mining according to the utility model;

[0017] Figure 3 is a sectional view of the connection relationship between the bracket and the slide seat in a compressed air system for gas fracturing mining according to the utility model;

[0018] Figure 4 is in a compressed air system suitable for gas fracturing mining described in the present utility model Figure 3 The enlarged view of part A in it.

[0019] The description of the reference numerals in the drawings is as follows:

[0020] 1. Base; 2. Gas storage tank; 3. Air compressor; 4. Gas transmission valve; 5. Gas supply pipe; 6. Support; 7. Slide base; 8. Gas supply plate; 9. Slide rail; 901. Screw rod; 902. Slide rod; 10. Driving motor; 11. Telescopic cylinder; 12. Elastic tube; 13. Connector; 14. Gas injection valve; 15. Barometer. Specific embodiments

[0021] In order to make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0022] As shown in Figure 1 , Figure 3 and Figure 4 A compressed air system suitable for gas fracturing mining in this embodiment includes a base 1, a gas storage tank 2 and an air compressor 3. The gas storage tank 2 is fixedly installed on one side of the upper end of the base 1, and the air compressor 3 is fixedly installed on one side of the upper end of the gas storage tank 2. A gas transmission valve 4 is fixedly connected to the other side of the upper end of the gas storage tank 2. It is characterized in that: a support 6 is fixedly installed on the other side of the upper end of the base 1, a slide base 7 is slidably connected in the support 6, one end of the slide base 7 is fixedly connected to a gas supply plate 8, air channels are opened in both the slide base 7 and the gas supply plate 8 and are communicated with each other. A gas supply pipe 5 is connected between the gas transmission valve 4 and the slide base 7. The gas supply pipe 5 is a telescopic pipe. Elastic tubes 12 are inserted into the side walls of the gas supply plate 8 away from the slide base 7. One end of each elastic tube 12 is connected to a gas injection valve 14. Among them, the air compressor 3 can inject air into the gas storage tank 2 to compress the air in the gas storage tank 2. When in use, high-pressure air is conveyed to the slide base 7 and the gas supply plate 8 through the gas supply pipe 5, and the gas injection valve 14 is inserted into the expansion device that needs to be injected with gas, so that the high-pressure air in the gas supply plate 8 can inject gas into the expansion device through the gas injection valve 14. The elastic tube 12 can extend the gas injection valve 14, so that the gas injection valve 14 can complete the insertion connection.

[0023] As shown in Figure 3As shown, a slide rail 9 is provided inside the bracket 6. The slide seat 7 is slidably connected within the slide rail 9. At both ends inside the slide rail 9, screw rods 901 and slide bars 902 are evenly distributed. The screw rod 901 penetrates through the slide seat 7 and is in meshing connection, and the slide bar 902 penetrates through the slide seat 7 and is slidably connected. A driving motor 10 is fixedly installed at the upper end of the bracket 6. The transmission output end of the driving motor 10 is key-connected to the screw rod 901. The driving motor 10 can drive the screw rod 901 to rotate, so that the screw rod 901 can drive the slide seat 7 to perform vertical displacement adjustment. The slide bar 902 can ensure the smooth and stable sliding displacement of the slide seat 7.

[0024] As Figures 2 - 4 shown, telescopic cylinders 11 are fixedly distributed at the upper end of the air supply plate 8. The number of telescopic cylinders 11 matches the number of elastic tubes 12. The movable end of the telescopic cylinder 11 is fixedly installed with a connecting piece 13. The connecting piece 13 is sleeved around the elastic tube 12 and fixedly connected. The injection valve 14 is a plug-in connection valve. The telescopic cylinder 11 can drive the elastic tube 12 to perform extension adjustment through the connecting piece 13, so as to drive the injection valve 14 to complete the insertion connection operation.

[0025] As Figure 2 shown, a barometer 15 is fixedly installed on one side of the upper end of the slide seat 7. The detection end of the barometer 15 is located in the air ducts of the slide seat 7 and the air supply plate 8. The barometer 14 can detect the change in air pressure inside the slide seat 7 and the air supply plate 8, so as to detect the completion amount of air injection.

[0026] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A compressed air system suitable for gas fracturing mining, comprising a base (1), a gas storage tank (2) and an air compressor (3), wherein the gas storage tank (2) is fixedly mounted on one side of the upper end of the base (1), the air compressor (3) is fixedly mounted on one side of the upper end of the gas storage tank (2), and a gas delivery valve (4) is fixedly connected to the other side of the upper end of the gas storage tank (2), characterized in that: A bracket (6) is fixedly mounted on the other side of the upper end of the base (1), a slide seat (7) is slidably connected inside the bracket (6), one end of the slide seat (7) is fixedly connected to an air supply plate (8), air passages are provided inside the slide seat (7) and the air supply plate (8) are connected, an air supply pipe (5) is connected between the air delivery valve (4) and the slide seat (7), the air supply pipe (5) is a telescopic pipe, an elastic tube (12) is inserted on a side wall of the air supply plate (8) away from the slide seat (7), and one end of the elastic tube (12) is connected to an air injection valve (14).

2. A compressed air system suitable for gas fracturing mining according to claim 1, characterized in that: A slide rail (9) is provided in the bracket (6), and the slide seat (7) is slidably connected in the slide rail (9). Screw rods (901) and slide rods (902) are arranged at both ends of the slide rail (9). The screw rods (901) penetrate the slide seat (7) and are meshingly connected, and the slide rods (902) penetrate the slide seat (7) and are slidably connected.

3. A compressed air system suitable for gas fracturing mining according to claim 2, characterized in that: A drive motor (10) is fixedly mounted on the upper end of the bracket (6), and a transmission output end of the drive motor (10) is key-connected to the screw rod (901).

4. A compressed air system suitable for gas fracturing mining according to claim 1, characterized in that: Telescopic cylinders (11) are fixedly distributed on the upper ends of the air supply plates (8), and the number of the telescopic cylinders (11) matches the number of the elastic tubes (12).

5. A compressed air system suitable for gas fracturing mining according to claim 4, characterized in that: A connecting piece (13) is fixedly mounted on the movable end of the telescopic cylinder (11), and the connecting piece (13) is sleeved on the periphery of the elastic tube (12) and fixedly connected.

6. A compressed air system suitable for gas fracturing mining according to claim 1, characterized in that: A barometer (15) is fixedly mounted on one side of the upper end of the slide seat (7), and a detection end of the barometer (15) is located in the air passage between the slide seat (7) and the air supply plate (8).

7. A compressed air system suitable for gas fracturing mining according to claim 1, characterized in that: The gas injection valve (14) is a plug-in type connection valve.

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