Cracking pipe capable of filling oxygen into hole

Abstract

The utility model discloses a hole filling oxygen fracturing pipe which comprises a pipe body, a liquid inlet unit is arranged on the outer side of the pipe body, the pipe body comprises a first filling layer, a second filling layer is fixedly connected to the outer side of the first filling layer, a third filling layer is fixedly connected to the outer side of the second filling layer, and an outer layer is fixedly connected to the outer side of the third filling layer. The first filling layer is made of a sponge material, the second filling layer is made of a paper scrap material, the third filling layer is made of a carbon powder material, the liquid inlet unit comprises a fixed cavity, the fixed cavity is fixedly connected to the upper side of the pipe body, and the outer side of the fixed cavity is fixedly connected with an air inlet auxiliary pipe, an air inlet main pipe and an air outlet pipe. The fracturing pipe is provided with the pipe body, the first filling layer, the second filling layer, the third filling layer and the outer layer, and the three filling layers are all made of combustible materials, so that liquid oxygen can react with the pipe body conveniently when the fracturing pipe is fractured, and the fracturing effect on a rock stratum is improved.

Description

Technical Field

[0001] The utility model relates to the field of oxygen fracturing tubes, in particular to an in-hole oxygen-filled fracturing tube. Background Art

[0002] An oxygen fracturing tube is a device that uses the high temperature and high pressure of oxygen to generate energy and trigger an explosion. It primarily consists of a detonator, a liquid oxygen tank, and piping. Oxygen fracturing tubes are widely used in road construction, mining, and other fields for tasks such as rock crushing, tunnel excavation, and building demolition.

[0003] When using an oxygen fracturing tube, high-pressure liquid oxygen needs to be introduced into the tube and detonated by an electronic igniter to fracture the rock formation, making it easier for hydraulic equipment to be used later to excavate the fractured cracks. However, when detonating the tube, the tube cannot react with the liquid oxygen, resulting in poor detonation effect and poor rock fracture effect. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art fracturing tubes with poor fracturing effect, one of the objectives of the present utility model is to provide a fracturing tube with oxygen filled in the hole.

[0005] One of the objectives of the present invention is achieved by the following technical solution: an oxygen-filled fracturing tube in a hole, comprising a tube body: a liquid inlet unit is provided on the outer side of the tube body, the tube body comprises a filling layer 1, a filling layer 2 is fixedly connected to the outer side of the filling layer 1, a filling layer 3 is fixedly connected to the outer side of the filling layer 2, and an outer layer is fixedly connected to the outer side of the filling layer 3;

[0006] The first filling layer is made of sponge material, the second filling layer is made of paper scraps material, and the third filling layer is made of carbon powder material;

[0007] The liquid inlet unit includes a fixed cavity fixedly connected to the upper side of the tube body. The outer side of the fixed cavity is fixedly connected to the auxiliary air inlet pipe, the main air inlet pipe, and the outlet pipe. The lower ends of the main air inlet pipe and the outlet pipe pass through the outer side of the fixed cavity and are located inside the tube body. The main air inlet pipe is located inside the outlet pipe, and the lower end of the main air inlet pipe passes through the lower end of the outlet pipe. This facilitates the rapid filling of the tube body with high-pressure liquid oxygen.

[0008] According to the in-hole oxygen-filled fracturing tube, a mounting hole is provided on the outer side of the fixed cavity.

[0009] According to the in-hole oxygen-filled fracturing tube, the length of the air inlet main pipe is greater than the length of the air outlet pipe.

[0010] According to the in-hole oxygen-filled fracturing tube, a plurality of conveying channels are opened on the inner side of the tube body, a plurality of dispersion holes are opened on the inner side of the tube body, and the dispersion holes are communicated with the conveying channels.

[0011] According to the in-hole oxygen-filled fracturing tube, the delivery channel is communicated with the fixed cavity.

[0012] According to the in-hole oxygen-filled fracturing tube, an electronic match head is provided on the inner side of the tube body through the mounting hole.

[0013] Beneficial effects:

[0014] 1. By providing a pipe body, a filling layer 1, a filling layer 2, a filling layer 3 and an outer layer, the three filling layers are all made of combustible materials, so that when the fracture pipe is broken, liquid oxygen reacts with the pipe body to increase the fracture effect on the rock formation.

[0015] 2. By setting up a fixed cavity, an air intake auxiliary pipe, an air intake main pipe, a conveying channel and a dispersion hole, it is convenient to quickly introduce high-pressure liquid oxygen into the pipe body, and to quickly discharge the air in the pipe body, so as to facilitate the rapid fracturing of the rock formation.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0018] Figure 1 This is the overall three-dimensional structure diagram of a fracturing tube filled with oxygen in a hole according to the present invention;

[0019] Figure 2 This is a sectional three-dimensional structural diagram of a fracturing tube filled with oxygen in a hole according to the present invention;

[0020] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0021] Figure 4 This is a side sectional perspective structural diagram of a hole-filled oxygen-induced fracturing tube of the utility model;

[0022] Figure 5 This is a schematic diagram of the use of a fracturing tube filled with oxygen in a hole according to the present invention.

[0023] Legend:

[0024] 1. Tube body; 2. Mounting hole; 3. Air outlet pipe; 4. Liquid inlet unit; 5. Electronic match head; 401. Fixed cavity; 402. Air intake auxiliary pipe; 403. Air intake main pipe; 404. Conveying channel; 405. Dispersion hole; 101. Filling layer one; 102. Filling layer two; 103. Filling layer three; 104. Outer layer. DETAILED DESCRIPTION

[0025] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0026] Example 1:

[0027] Reference Figure 1 - Figure 5 , a hole filled oxygen fracturing tube, comprising a tube body 1: a liquid inlet unit 4 is arranged on the outside of the tube body 1, the tube body 1 comprises a filling layer 101, the outside of the filling layer 101 is fixedly connected to the filling layer 2 102, the outside of the filling layer 2 102 is fixedly connected to the filling layer 3 103, the outside of the filling layer 3 103 is fixedly connected to the outer layer 104, the filling layer 101 is made of sponge material, the filling layer 2 102 is made of paper scrap material, and the filling layer 3 103 is made of carbon powder material, wherein the sponge material, paper scrap material and carbon powder material are all fixedly connected. For combustible materials, when the rock formation is fractured, an electronic match head 5 is provided inside the tube body 1. High-pressure liquid oxygen is filled into the tube body 1 (the equipment and pipeline for filling high-pressure liquid oxygen are disassembled during detonation, and the disassembled high-pressure liquid oxygen and pipeline are moved to a safe location, and the fuse of the electronic match head 5 is pulled to a safe distance for detonation to avoid accidents), and then the tube body 1 is detonated by a remotely controlled electronic igniter. During detonation, the oxygen inside reacts with the filling layer 101, the filling layer 2 102, and the filling layer 3 103, thereby increasing the fracture effect.

[0028] Example 2:

[0029] The liquid inlet unit 4 includes a fixed cavity 401, which is fixedly connected to the upper side of the tube body 1. The outer side of the fixed cavity 401 is fixedly connected with an air inlet auxiliary pipe 402, an air inlet main pipe 403, and an air outlet pipe 3. The lower ends of the air inlet main pipe 403 and the air outlet pipe 3 pass through the outer side of the fixed cavity 401 and are located on the inner side of the tube body 1. The air inlet main pipe 403 is located on the inner side of the air outlet pipe 3. The lower end of the air inlet main pipe 403 passes through the lower end of the air outlet pipe 3. The length of the air inlet main pipe 403 is greater than the length of the air outlet pipe 3. The inner side of the tube body 1 is provided with a plurality of delivery channels 404, and the inner side of the tube body 1 is provided with a plurality of dispersion holes 405, which are communicated with the delivery channels 404, and the delivery channels 404 are communicated with the fixed cavity 401. The outer side of the fixed cavity 401 is provided with a mounting hole 2, which is convenient for the lead of the electronic match head 5 to pass through the outer side of the tube body 1, so as to facilitate the use of the detonator for ignition and detonation. Before the oxygen is injected, the high-pressure liquid oxygen tank is first connected to the intake auxiliary pipe 402 and the intake main pipe 403 ( Figure 5 As shown), the connected pipeline is provided with a valve, and a valve is provided on the outside of the air outlet pipe 3. When in use, the valve is opened to allow the liquid oxygen inside the high-pressure liquid oxygen tank to enter the inside of the pipe body 1 through the air intake auxiliary pipe 402 and the air intake main pipe 403, and pass through the delivery channel 404 and the dispersion hole 405, so that the liquid oxygen entering the air intake auxiliary pipe 402 is quickly dispersed inside the pipe body 1, so that the entry of liquid oxygen is divided into two channels, which is convenient for the rapid introduction of high-pressure liquid oxygen and facilitates the subsequent rock fracture.

[0030] Working principle: When in use, the staff first places the pipe body 1 in the hole drilled in the rock formation ( Figure 5 As shown), the air intake sub-pipe 402 and the air intake main pipe 403 are respectively connected to the high-pressure liquid oxygen tank, and the valves are opened. Under the action of the fixed cavity 401, the conveying channel 404, and the dispersion hole 405, the high-pressure liquid oxygen is quickly filled into the inner side of the tube body 1, and the air inside the tube body 1 is discharged through the outlet pipe 3. When detonating, the high-pressure hydraulic tank and the connecting pipe are removed and moved to a safe position. Then, the electronic igniter is controlled to detonate the tube body 1, which is convenient for the fracture operation of the rock formation. When detonating, since the set filling layer 101, the filling layer 2 102, and the filling layer 3 103 are all combustible materials, the fracture effect of the tube body 1 is increased.

[0031] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A hole-filled oxygen fracturing tube, characterized in that: The invention comprises a tube body (1), wherein a liquid inlet unit (4) is provided on the outer side of the tube body (1), and the tube body (1) comprises a filling layer 1 (101), a filling layer 2 (102) is fixedly connected to the outer side of the filling layer 1 (101), a filling layer 3 (103) is fixedly connected to the outer side of the filling layer 2 (102), and an outer layer (104) is fixedly connected to the outer side of the filling layer 3 (103); The filling layer 1 (101) is made of sponge material, the filling layer 2 (102) is made of paper scrap material, and the filling layer 3 (103) is made of carbon powder material; The liquid inlet unit (4) comprises a fixed cavity (401), the fixed cavity (401) is fixedly connected to the upper side of the tube body (1), the outer side of the fixed cavity (401) is fixedly connected with an air inlet auxiliary pipe (402), an air inlet main pipe (403), and an air outlet pipe (3), the lower ends of the air inlet main pipe (403) and the air outlet pipe (3) both pass through the outer side of the fixed cavity (401) and are located on the inner side of the tube body (1), the air inlet main pipe (403) is located on the inner side of the air outlet pipe (3), and the lower end of the air inlet main pipe (403) passes through the lower end of the air outlet pipe (3).

2. The in-hole oxygen-filled fracturing tube according to claim 1, characterized in that: A mounting hole (2) is provided on the outer side of the fixing cavity (401).

3. The in-hole oxygen-filled fracturing tube according to claim 1, characterized in that: The length of the air inlet main pipe (403) is greater than the length of the air outlet pipe (3).

4. The in-hole oxygen-filled fracturing tube according to claim 1, characterized in that: A plurality of conveying channels (404) are provided on the inner side of the tube body (1), and a plurality of dispersion holes (405) are provided on the inner side of the tube body (1), wherein the dispersion holes (405) are communicated with the conveying channels (404).

5. The in-hole oxygen-filled fracturing tube according to claim 4, characterized in that: The delivery channel (404) is in communication with the fixed cavity (401).

6. The in-hole oxygen-filled fracturing tube according to claim 2, characterized in that: An electronic match head (5) is provided on the inner side of the tube body (1) through a mounting hole (2).

Images