CN216666620U - Carbon dioxide sends and splits ware and fills dress valve - Google Patents

Abstract

The utility model provides a carbon dioxide fracturing device filling valve which comprises a valve body, a wire channel and a liquid channel, wherein an electrode leading-in cavity and an electrode leading-out cavity are respectively formed at two ends of the valve body, internal threads are respectively formed on the inner surfaces of the electrode leading-out cavity and the electrode leading-in cavity, external threads are formed on the outer surface of one end, provided with the electrode leading-in cavity, of the valve body, the wire channel is two electrode mounting step through holes which are arranged in parallel, steps of the electrode mounting step through holes are communicated with the electrode leading-in cavity, the other end of the electrode mounting step through holes is communicated with the electrode leading-out cavity, the liquid channel comprises a carbon dioxide quick connecting socket arranged in the middle of the valve body and a liquid carbon dioxide inlet communicated with the electrode leading-in cavity, a check valve is arranged at the liquid carbon dioxide inlet, and an L-shaped channel is arranged between the liquid carbon dioxide inlet and the carbon dioxide quick connecting socket. The utility model ensures that carbon dioxide filling and electric wire connection are not interfered with each other, and ensures the connection tightness of the filling valve and the main pipe.

Description

Carbon dioxide sends and splits ware and fills dress valve

Technical Field

The utility model belongs to the field of gas expansion blasting, and particularly relates to a filling valve of a carbon dioxide cracking device.

Background

The carbon dioxide cracking device has the following principle: when the carbon dioxide undergoes liquid-gas phase change, the volume is expanded instantaneously, and the generated energy can explode rocks. Because the carbon dioxide sprayed instantly has flame retardant effect and small vibration, the possibility of gas explosion can be greatly reduced, and therefore, the carbon dioxide cracking device gradually replaces a detonator and is widely applied to underground coal mines.

The filling valve is one of the main components of the carbon dioxide cracking device, and is responsible for the functions of filling liquid carbon dioxide, introducing electric wires, sealing carbon dioxide and the like, so that the manufacture of the filling valve of the multifunctional carbon dioxide cracking device is particularly necessary.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a multifunctional filling valve of a carbon dioxide cracking device.

The utility model provides a filling valve of a carbon dioxide cracking device, which comprises a valve body, a wire channel and a liquid channel, an electrode leading-in cavity and an electrode leading-out cavity are respectively arranged at two ends of the valve body, internal threads are respectively arranged on the inner surfaces of the electrode leading-out cavity and the electrode leading-in cavity, the outer surface of one end of the valve body, which is provided with the electrode introducing cavity, is provided with external threads, the wire channel is two electrode mounting step through holes which are arranged in parallel, the steps of the electrode mounting step through holes are communicated with the electrode leading-in cavity, the other end of the electrode mounting step through holes is communicated with the electrode leading-out cavity, the liquid channel comprises a carbon dioxide quick connection socket arranged in the middle of the valve body and a liquid carbon dioxide inlet communicated with the electrode introducing cavity, the liquid carbon dioxide inlet is provided with a check valve which is arranged along the axial direction of the valve body, an L-shaped channel is arranged between the liquid carbon dioxide inlet and the carbon dioxide quick connection socket.

Further, carbon dioxide quick connect socket is provided with jump ring bolt hole.

Furthermore, trapezoidal threads are arranged on the outer surface of one end, provided with the electrode leading-out cavity, of the valve body.

Further, a steel wire clamp spring mounting hole is formed in the trapezoidal thread.

Furthermore, a hexagonal stress application seat is installed on the outer surface of one side of the valve body, which is provided with the electrode leading-out cavity.

Further, the end face of the electrode introducing cavity is an annular plane.

The utility model has the following beneficial effects: according to the utility model, the electric wire channel and the liquid channel which are isolated from each other are arranged, so that carbon dioxide filling and electric wire connection are not interfered with each other, and the end face of the electrode introducing cavity is arranged to be an annular plane, so that the connection tightness of the filling valve and the main pipe is ensured.

Drawings

FIG. 1 is a cross-sectional view of the filling valve B surface of the carbon dioxide cracking device.

Fig. 2 is a cross-sectional view of the surface A of the filling valve of the carbon dioxide cracking device.

Fig. 3 is a side view of a filling valve of the carbon dioxide cracking device.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the following explains the present solution by way of specific embodiments and with reference to the accompanying drawings.

As shown in fig. 1, 2 and 3, the carbon dioxide cracking device filling valve comprises a valve body, a wire passage and a liquid passage.

The electrode lead-in cavity 1 and the electrode lead-out cavity 2 are respectively arranged at two ends of the valve body, the external thread is arranged on the outer surface of one end of the valve body, which is provided with the electrode lead-in cavity 1, and is used for being connected with a main pipe, and the strength of the valve body must be ensured because the valve body bears a large load. The inner surface of the electrode leading-out cavity 2 is provided with an internal thread for being connected with a presplitter, the inner surface of the electrode leading-in cavity 1 is provided with an internal thread for being connected with a thermal reaction device, the end surface of the electrode leading-in cavity 1 is an annular plane, and the plane and a groove on the step round surface of the main pipe jointly complete the sealing of high-pressure gas through a sealing gasket.

The wire channel is two parallel electrode installation step through holes 8, two electrodes are installed inside the wire channel, the steps of the electrode installation step through holes 8 are communicated with the electrode leading-in cavity 1, so that the two electrodes provide an activation power supply for a thermal reaction device fixedly connected with the valve body, the other end of the wire channel is communicated with the electrode leading-out cavity 2, and the two electrodes are connected with a lead in a connector of the fracturing device or connected with an electric component in the inner cavity of the fracturing device.

Liquid passage fills quick-operation joint socket 3 and liquid carbon dioxide entry 6 including setting up the carbon dioxide in valve body middle part, and liquid carbon dioxide entry 6 is provided with check valve 4, fixes the check valve through screw-thread fit, can reach liquid carbon dioxide directional filling and sealed simultaneously after fixed. The check valve 4 is arranged along the axial direction of the valve body. Liquid carbon dioxide inlet 6 and electrode introduction chamber 1 intercommunication are provided with L type passageway 5 between carbon dioxide fills quick-connect spigot 3 and the liquid carbon dioxide inlet 6 for liquid carbon dioxide that fills into in the ware that sends cracks through carbon dioxide fills quick-connect spigot 3 flows into in sending the ware that splits through the check valve, realizes directional inflow.

Preferably, a snap spring pin hole is arranged at the carbon dioxide filling quick connection socket 3 so as to quickly insert and extract the snap spring.

Preferably, the outer surface of one end of the valve body, which is provided with the electrode leading-out cavity 2, is provided with trapezoidal threads or other structures which have the advantages of convenient operation, large bearing capacity and loosening function. When the internal thread of the electrode leading-out cavity 2 is inconvenient to connect with the pre-splitter and has special requirements or is redesigned, and the external thread is required to be connected with the pre-splitter, the internal thread can be used as an alternative mounting mode for mounting the pre-splitter, and a mounting hole is also formed in the thread position for mounting a steel wire clamp spring or other anti-backing mechanisms capable of preventing a screw from backing so as to avoid loosening the thread.

Preferably, a hexagonal force application seat 7 is installed on the outer surface of one side of the electrode leading-out cavity 2 of the valve body, so that the valve body and other devices of the fracturing device can be connected in a fastening mode.

It is to be understood that the present invention has been described with reference to certain embodiments and that various changes in form and details may be made therein by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (6)

1. A filling valve of a carbon dioxide cracking device, which comprises a valve body, a wire channel and a liquid channel,

an electrode leading-in cavity and an electrode leading-out cavity are respectively arranged at two ends of the valve body, internal threads are respectively arranged on the inner surfaces of the electrode leading-out cavity and the electrode leading-in cavity, external threads are arranged on the outer surface of one end of the valve body, which is provided with the electrode leading-in cavity,

the wire channel is formed by two parallel electrode installation step through holes, the steps of the electrode installation step through holes are communicated with the electrode leading-in cavity, the other ends of the electrode installation step through holes are communicated with the electrode leading-out cavity,

liquid passage is including setting up the carbon dioxide high-speed joint socket at valve body middle part and the liquid carbon dioxide entry that introduces the chamber intercommunication with the electrode, liquid carbon dioxide entry is provided with the check valve, the check valve sets up along valve body axial, be provided with L type passageway between liquid carbon dioxide entry and the carbon dioxide high-speed joint socket.

2. The carbon dioxide fracker charging valve of claim 1, wherein said carbon dioxide quick connect spigot is provided with a snap spring pin bore.

3. The carbon dioxide fracturer charging valve of claim 1, wherein the valve body has an electrode outlet chamber and trapezoidal threads are provided on the outer surface of the end of the valve body.

4. The carbon dioxide fracturer charging valve of claim 3, wherein a wire clip mounting hole is provided at the trapezoidal thread.

5. The carbon dioxide fracturer charging valve of claim 1, wherein a hexagonal force application seat is mounted on the outer surface of the valve body on the side where the electrode lead-out chamber is arranged.

6. The carbon dioxide fracker fill valve of claim 1 wherein said electrode lead-in cavity end face is an annular flat surface.

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