A device for studying the explosive-oil and gas explosion coupling

Abstract

The application relates to the technical field of explosive and oil-gas explosion experiment, in particular to a device for studying explosive and oil-gas explosion coupling effect, and the experimental research equipment comprises a filling cavity for accommodating mixed oil-gas and explosive, one end of the filling cavity is sealed and blocked and provided with a film, a second detection device for detecting explosion shock wave conduction waveform is arranged between the explosive and the film, and a first detection device for detecting explosion conduction waveform and pressure is arranged on the outer wall of the filling cavity. Beneficial effects: the device with the detection device and the fan is arranged, so that the simulation of explosive and oil-gas explosion coupling is detected, various data generated in the coupling process are detected, the power and the destructive power generated by explosion can be accurately analyzed, targeted protection can be made, and oil-gas transportation safety is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of explosive and oil and gas explosion experiment, in particular to a device for studying explosive and oil and gas explosion coupling effect. BACKGROUND

[0002] Oil and gas are mostly transported in pipelines, and once an explosion occurs, the effect of the combination of explosive and oil and gas needs to be accurately analyzed, so as to facilitate protection during transportation.

[0003] After studying the shock wave generated by explosive explosion igniting oil and gas mixture, the explosion effect of oil and gas, the effect includes explosion propagation speed, pressure change, temperature, humidity, and air flow speed on explosion propagation speed and pressure.

[0004] The prior art lacks a simulation experiment device for the interaction between explosive explosion and oil and gas, so that it is difficult to determine the protection effect during the transportation of oil and gas pipelines, and it is impossible to take corresponding protection according to the problems caused by explosion interaction. SUMMARY

[0005] The purpose of the present application is to provide a device for studying explosive and oil and gas explosion coupling effect, to solve the problems raised in the background art.

[0006] To achieve the above purpose, the present application provides the following technical scheme:

[0007] A device for studying explosive and oil and gas explosion coupling effect, comprising a filling cavity for receiving mixed oil and gas and explosive, one end of the filling cavity is sealed and plugged with a film, the other end of the filling cavity is sealed, and a fan for adjusting the airflow movement in the cavity is installed on the inner wall of the filling cavity, a first detection device for detecting explosion conduction waveform and pressure is arranged on the outer wall of the filling cavity, a regulating component for adjusting temperature and humidity is arranged in the filling cavity, the explosive is located outside the film, and the explosive and the film are spaced apart, and a second detection device for detecting explosion shock conduction waveform is arranged between the explosive and the film.

[0008] Preferably, the filling cavity is provided as a pipeline, the fan, the first detection device, the second detection device and the regulating component are all installed on the inner wall of the pipeline, and the film is sealed and bonded to the outer wall of the port of the pipeline.

[0009] Preferably, the film is a common plastic film, and the outer wall of the film is sealed and bonded to the port of the pipeline.

[0010] Preferably, the first detection device is a pressure sensor and a photoelectric sensor, the pressure sensor and the photoelectric sensor are arranged in multiple groups side by side, and the multiple groups of pressure sensors and photoelectric sensors are distributed at equal intervals.

[0011] Preferably, the pressure sensors are linearly distributed on the outer wall of the pipeline, and the pressure sensors on the outer wall of the pipeline are used to measure the pressure change when the explosion wave in the pipeline propagates forward.

[0012] Preferably, the photoelectric sensors are arranged on the outer wall of the pipeline, and the photoelectric sensors are symmetrically distributed with the pressure sensors, and the photoelectric sensors are used to measure the propagation speed of the explosion wave in the pipeline.

[0013] Preferably, the second detection device is provided with pressure sensors, and the pressure sensors in the second detection device are arranged in at least three groups, and the pressure sensors in the second detection device are used to detect the conduction speed and conduction waveform of the shock wave generated by the explosive during the conduction to the film.

[0014] Preferably, the regulating assembly is installed on the inner wall of the pipeline, and the regulating assembly comprises a thermometer, a hygrometer and a heating device, and the heating device acts on the inner wall of the pipeline.

[0015] Preferably, the pipeline is provided with an air inlet on one side, the air inlet is located away from the film, the air inlet is communicated with the inner cavity of the pipeline, and the air inlet is used to supplement water vapor and oil gas, adjust the humidity of the oil gas in the pipeline and adjust the mixing uniformity of the oil gas.

[0016] Preferably, the fan is provided as an explosion-proof fan, the air inlet of the fan is opposite to the air inlet, the air outlet of the fan is opposite to the film, the fan is installed at the end away from the film, and the air power of the fan is adjustable.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] The present application sets the device with detection device and fan, thereby detecting the simulation of explosive and oil gas explosion coupling, detecting various data generated in the coupling process, facilitating accurate analysis of the power and destructive power generated by explosion, facilitating targeted protection and improving oil gas transportation safety. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a schematic diagram of the simulation experiment principle structure of the present application;

[0020] Fig. 2 It is a flow chart of the simulation experiment of the present application;

[0021] Fig. 3 It is a flow chart of the oil gas static state experiment in embodiment 2 of the present application;

[0022] Fig. 4 It is a flow chart of the oil gas motion state experiment in embodiment 2 of the present application.

[0023] In the figure: 1, pipeline; 2, air inlet; 3, film; 4, explosive; 5, fan; 6, pressure sensor; 7, photoelectric sensor; 8, regulating component. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0025] Please refer to Figs. 1 to 4 The present application provides a technical solution:

[0026] A device for studying the explosive and oil-gas explosion coupling effect, the experimental research equipment includes a filling cavity for accommodating mixed oil-gas and an explosive 4, and the filling cavity is used for simulating the accommodation and transportation structure of oil-gas.

[0027] One end of the filling cavity is sealed and blocked by a film 3, and the other end of the filling cavity is sealed, the explosive 4 is located outside the film 3, and the explosive 4 is distributed between the film 3, and the second detection device for detecting the explosion shock wave conduction waveform is arranged between the explosive 4 and the film 3.

[0028] The film 3 is arranged to isolate the explosive 4 and the oil-gas, so that the data parameters of the explosive 4 after explosion without contacting the oil-gas can be detected by the second detection device.

[0029] The inner wall of the filling cavity is internally provided with a fan 5 for adjusting the airflow movement in the cavity.

[0030] The fan 5 is arranged to adjust the performance of the oil-gas, such as the mixing degree, flow rate and the like, so as to facilitate the control of the research variables and realize the experiments of multiple groups of different variables.

[0031] The outer wall of the filling cavity is provided with a first detection device for detecting the explosion conduction waveform and pressure, and the filling cavity is internally provided with a regulating component 8 for adjusting the temperature and humidity.

[0032] The regulating component 8 is arranged to detect the data parameters of the oil-gas storage environment, and the first detection device is arranged to detect various parameters generated when the explosive 4 and the oil-gas explosion coupling effect.

[0033] Embodiment 1:

[0034] Under the above experimental principle, the most common pipeline 1 in oil-gas transportation is taken as the embodiment of the filling cavity, wherein the experimental research equipment respectively adopts:

[0035] The film 3 is a common plastic film;

[0036] The first detection device is a pressure sensor 6 and a photoelectric sensor 7;

[0037] The second detection device is a pressure sensor 6;

[0038] The regulating assembly 8 includes a thermometer, a hygrometer, and a heating device;

[0039] The fan 5 is an explosion-proof fan;

[0040] The installation process of the experimental research equipment is as follows:

[0041] The filling cavity is the pipeline 1, and the fan 5, the first detection device, the second detection device, and the regulating assembly 8 are all installed on the inner wall of the pipeline 1;

[0042] The film 3 is sealed and bonded to the outer wall of the port of the pipeline 1, and the outer wall of the film 3 is sealed and bonded to the port of the pipeline 1;

[0043] The pressure sensor 6 and the photoelectric sensor 7 are arranged side by side in multiple groups, and are distributed at equal intervals between the multiple groups of pressure sensors 6 and photoelectric sensors 7. The linearly distributed pressure sensors 6 arranged at intervals between the multiple groups are located on the outer wall of the pipeline 1 and are used to measure the pressure change of the explosion wave propagating forward in the pipeline. The photoelectric sensor 7 is arranged on the outer wall of the pipeline 1 and is symmetrically distributed with the pressure sensor 6. The photoelectric sensor 7 is used to measure the propagation speed of the explosion wave in the pipeline;

[0044] The pressure sensor 6 in the second detection device is arranged in at least three groups, and is used to detect and calculate the conduction speed and conduction waveform of the shock wave generated by the explosive 4 during conduction to the film 3;

[0045] The regulating assembly 8 is installed on the inner wall of the pipeline 1, and the heating device acts on the inner wall of the pipeline 1.

[0046] During the experiment:

[0047] The explosive is ignited, and various parameters in the experimental process are detected in real time by the experimental equipment.

[0048] Example 2:

[0049] In order to improve the accuracy of the experimental data, the experimental variables can also be changed. One side of the pipeline 1 is provided with an air inlet 2, which is located away from the film 3. The air inlet 2 communicates with the inner cavity of the pipeline 1 and is used to supplement water vapor and oil gas, adjust the humidity of the oil gas in the pipeline 1, and adjust the mixing uniformity of the oil gas. The air inlet port of the fan 5 faces the air inlet 2, the exhaust port of the fan 5 faces the film 3, the fan 5 is installed at the end away from the film 3, and the air power of the fan 5 is adjustable.

[0050] By setting the fan 5, the explosion effect of two states can be studied: the first is that the fan 5 makes the oil and gas mixture in the pipeline 1 uniform, then the fan is closed, static, and the explosive is ignited;

[0051] The other is that the fan 5 is always running, and the explosion effect when the airflow moves is studied.

[0052] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An apparatus for studying the coupling of explosives with oil and gas explosions, characterized by: The application relates to a mixed oil-gas explosion test device, which comprises a filling cavity for containing mixed oil-gas and an explosive (4), one end of the filling cavity is sealed and provided with a film (3), the other end of the filling cavity is sealed, a fan (5) for adjusting airflow movement in the cavity is arranged on the inner wall of the filling cavity, a first detection device for detecting explosion conduction waveform and pressure is arranged on the outer wall of the filling cavity, a temperature and humidity adjusting component (8) is arranged in the filling cavity, the explosive (4) is located outside the film (3), the explosive (4) and the film (3) are spaced apart, and a second detection device for detecting explosion shock wave conduction waveform is arranged between the explosive (4) and the film (3). The filling cavity is a pipeline (1), the fan (5), the first detection device, the second detection device and the temperature and humidity adjusting component (8) are arranged on the inner wall of the pipeline (1), and the film (3) is sealed and bonded to the outer wall of the port of the pipeline (1); one side of the pipeline (1) is provided with an air inlet (2), the air inlet (2) is located away from the film (3), the air inlet (2) is communicated with the inner cavity of the pipeline (1), and the air inlet (2) is used for supplementing water vapor and oil gas, adjusting the humidity of oil gas in the pipeline (1) and adjusting the mixing uniformity of oil gas.

2. The apparatus for studying the coupling of explosives with oil and gas explosions according to claim 1, characterized in that: The film (3) is a common plastic film, and the outer wall of the film (3) is sealed and bonded to the port of the pipeline (1).

3. The apparatus of claim 1, wherein: The first detection device is a pressure sensor (6) and a photoelectric sensor (7), the pressure sensor (6) and the photoelectric sensor (7) are arranged in multiple groups side by side, and the multiple groups of pressure sensors (6) and photoelectric sensors (7) are distributed at equal intervals.

4. A device for studying the coupling of explosives with oil and gas explosions according to claim 3, characterized in that: The pressure sensors (6) arranged at equal intervals in multiple groups are linearly distributed on the outer wall of the pipeline (1), and the pressure sensors (6) located on the outer wall of the pipeline (1) are used for measuring the pressure change when the explosion wave in the pipeline propagates forward.

5. The apparatus of claim 3, wherein: The photoelectric sensor (7) is arranged on the outer wall of the pipeline (1), and the photoelectric sensor (7) is symmetrically distributed with the pressure sensor (6), and the photoelectric sensor (7) is used for measuring the propagation speed of the explosion wave in the pipeline.

6. The apparatus of claim 1, wherein: The second detection device is a pressure sensor (6), and at least three groups of pressure sensors (6) are arranged in the second detection device, and the pressure sensors (6) in the second detection device are used for detecting and calculating the conduction speed and conduction waveform of the shock wave generated by the explosive (4) to the film (3).

7. The apparatus of claim 1, wherein: The temperature and humidity adjusting component (8) is arranged on the inner wall of the pipeline (1), and the temperature and humidity adjusting component (8) comprises a thermometer, a hygrometer and a heating device, and the heating device acts on the inner wall of the pipeline (1).

8. The apparatus of claim 1, wherein: The fan (5) is an explosion-proof fan, the air inlet of the fan (5) faces the air inlet (2), the air outlet of the fan (5) faces the film (3), the fan (5) is arranged at one end away from the film (3), and the air volume of the fan (5) is adjustable.

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