Gas filling and locking integrated detonator and fracturing device

Abstract

The invention discloses a gas filling and locking integrated detonator and a fracturing device. The gas filling and locking integrated detonator comprises a shell, a filling cavity, an ignition mechanism and a gas filling mechanism. The filling cavity is formed in the shell. The shell is connected with the sealing ignition mechanism and the gas filling mechanism. The filling cavity is filled with supercritical oxygen and carbonaceous organic materials or reducibility elementary substances. The gas filling mechanism comprises a gas filling hole, a gas filling locking valve rod and a gas filling valve seat. The gas filling valve seat penetrates through the gas filling hole in the axial direction. A gas locking cavity is formed in the upper portion of the gas filling hole. A rubber sealing pipe valve is installed at the bottom of the gas locking cavity. A pipe valve through hole is formed in the center of the rubber sealing pipe valve. An internal thread is arranged on the inner wall of an edge opening of the gas locking cavity. The side edge of the gas filling locking valve rod is provided with an external thread matched with the internal thread. A gas filling through hole is formed in the axis position of the gas filling locking valve rod. The gas filling and locking integrated detonator and the fracturing device have the advantages that manufacturing cost is low, reaction material mixing uniformity is high, heat release efficiency is high and transporting safety is good.

Description

technical field [0001] The invention belongs to the technical field of detonators, and in particular relates to an air-filled and air-locked integrated detonator and a cracker. Background technique [0002] Gas blasting technology is to use the vaporization and expansion of easily vaporized liquid or solid substances to generate high-pressure gas, which makes the surrounding medium expand to do work and cause fragmentation. It has the characteristics of no open flame, safety and high efficiency. [0003] Carbon dioxide gas blasters are typical blasting equipment in gas blasting technology, and are widely used in mining, geological exploration, cement, steel, electric power and other industries, subways and tunnels, municipal engineering, underwater engineering, and emergency rescue. [0004] The existing gas blaster mainly includes a vaporization liquid storage pipe and a heating detonator installed in the vaporization liquid storage pipe; the heat generation detonator ignit...

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Problems solved by technology

[0006] The detonator with the above structure has the following problems: 1. The thermal reactants to be filled in the detonator need to be processed by mixing, mixing, coiling or bagging, and the filling process is time-consuming. 2. During the filling process of the detonator, the oxidant and reducing agent are prone to uneven mixing, resulting in low heat release efficiency; 3. The thermal reaction material needs to be mixed and filled in advance, and the temperature during transportation is too high. It is highly likely to cause combustion or explosion, and has a greater potential safety hazard; 4. Due to the delay of the detonating material or other situations, it is easy to appear the situation of squibs, and it is impossible to judge the cause of the squibs, so it cannot be eliminated by rowing the squibs Potential safety hazard; 5. The detonation method of the existing gas blaster uses a solid activator to burn to generate high temperature, which directly conducts heat to the liquid carbon dioxide, causing the liquid carbon dioxide to gasify and expand, and the heat absorption efficiency of the liquid carbon dioxide is low; 6. The heat release of the detonator The speed is slow, the chemical reaction is insufficient, the thermal release efficiency is low, the pressure of the liquid is relatively small after gasification, and the blasting power is small; 7. After the blasting, the reactants in the detonator produce a large amount of toxic and harmful gases, such as sulfur Gases such as hydrogen, sulfur dioxide, nitric oxide, and nitrogen dioxide bring relatively large poisonous pollution to the blasting site

[0007] In addition, due to the conventional manual inflation structure, an inflation hole and a valve stem installation hole for installing the valve stem need to be provided on the seat body. And open the air hole; the disadvantage of this structure is that two holes need to be opened, the side and the top need to be exposed, it is not easy to install, and the required volume is large

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