Safety monitoring and automatic exhaust device for gas storage tank

Abstract

The utility model discloses a gas storage tank safety monitoring and automatic exhaust device which comprises an explosion-proof box, a gas storage tank is fixedly installed in the explosion-proof box, the top of the gas storage tank is respectively connected with a gas inlet pipe, a gas outlet pipe and a connecting pipe, and an automatic exhaust mechanism used for the gas storage tank is installed at one end of the connecting pipe. Wherein one side of the explosion-proof box is provided with a box door, the box door is provided with a controller, the controller is electrically connected with the automatic exhaust mechanism, through the arrangement of the automatic exhaust mechanism and the controller, the working state of the automatic exhaust mechanism can be flexibly adjusted, precise control over the pressure of the gas storage tank is achieved, various monitoring modules are matched, and the safety of the gas storage tank is improved. According to the gas storage tank, the operation parameters and the environment parameters of the gas storage tank can be accurately obtained in real time, so that the gas storage tank can better adapt to different working scenes and environment changes, the operation safety and stability of the gas storage tank are improved, and long-term stable operation of the gas storage tank is further guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas storage equipment technical field especially relates to a gas storage tank safety monitoring and automatic exhaust device. BACKGROUND

[0002] The gas storage tank is the equipment that is used to store gas, and it has a wide application in many fields such as industrial production and daily life. For example, in the compressed air system of the factory, the gas storage tank can store compressed air to provide stable gas source for various pneumatic devices; in the natural gas delivery field, the gas storage tank is used to store and adjust the pressure and flow of natural gas.

[0003] The patent document with the publication number CN217519669U discloses a new type of gas storage tank device, which comprises a protection box, a gas storage tank, an alarm assembly and an air extraction assembly. The gas storage tank is placed in the protection box. The alarm assembly includes a thermal element and an alarm. One side of the thermal element is connected to the inner side wall of the protection box. The alarm is arranged on the outer side wall of the protection box and connected with the thermal element. The air extraction assembly includes an air extraction pipe and an air extractor. One end of the air extraction pipe is connected with the protection box, and the other end of the air extraction pipe is connected with the air extractor.

[0004] Although the above-mentioned new type of gas storage tank device can solve the corresponding technical problems, but in the process of use, the pressure control of the gas storage tank is not flexible, it is not easy to monitor and automatically adjust the pressure of the gas storage tank in real time and accurately, and there is still room for improvement.

[0005] Therefore, a gas storage tank safety monitoring and automatic exhaust device is proposed. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a gas storage tank safety monitoring and automatic exhaust device, which is used to solve the problems raised in the above background technology.

[0007] In order to achieve the above-mentioned purpose, the main technical scheme adopted by the utility model comprises:

[0008] A gas storage tank safety monitoring and automatic exhaust device comprises:

[0009] An explosion-proof box is fixedly installed with a gas storage tank. The top of the gas storage tank is respectively connected with an air inlet pipe, an air outlet pipe and a connecting pipe. The air inlet pipe, the air outlet pipe and the connecting pipe all extend out of the explosion-proof box. One end of the connecting pipe is installed with an automatic exhaust mechanism for the gas storage tank.

[0010] Among them, one side of the explosion-proof box is installed with a box door. The box door is installed with a controller. The controller is electrically connected with the automatic exhaust mechanism.

[0011] As a preferred technical scheme, one end of the gas storage tank is provided with a pressure monitoring module, and the pressure monitoring module is electrically connected with the controller through wires.

[0012] As a preferred technical scheme, the explosion-proof box is internally provided with a temperature monitoring module, and the temperature monitoring module is electrically connected with the controller through wires.

[0013] As a preferred technical scheme, the explosion-proof box is internally provided with a humidity monitoring module, and the humidity monitoring module is electrically connected with the controller through wires.

[0014] As a preferred technical scheme, the automatic exhaust mechanism comprises a barrel, one end of the barrel is fixedly connected with a connecting pipe, the inside of the barrel is slidably provided with movable plugs one and two, a spring is arranged between the movable plugs one and two, the top of the movable plug two abuts against a push plate, one end of the push plate is fixedly connected with a sliding rod, one end of the sliding rod is fixedly connected with a connecting plate, one end of the connecting plate is fixedly connected with the end of the telescopic rod of an electric cylinder, the electric cylinder is fixed on one side of the barrel, and one side of the barrel is fixedly connected with an exhaust pipe.

[0015] As a preferred technical scheme, the electric cylinder is electrically connected with the controller.

[0016] The utility model at least has following beneficial effects:

[0017] The utility model discloses the beneficial effect is, through setting up automatic exhaust mechanism and controller, it can be flexible adjustment automatic exhaust mechanism's working condition, realizes the accurate control to the gas storage tank pressure, and cooperates multiple monitoring module, can real-time, accurately obtain the operating parameter and environmental parameter of gas storage tank, thereby can better adapt to different working scene and environmental change, improve the security and stability of gas storage tank operation, further guarantee the long-term stable operation of gas storage tank. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the three-dimensional schematic view of the utility model gas storage tank safety monitoring and automatic exhaust device;

[0019] Figure 2 It is the component distribution schematic view of the utility model gas storage tank safety monitoring and automatic exhaust device;

[0020] Figure 3 It is the sectional view schematic view of the utility model gas storage tank safety monitoring and automatic exhaust device;

[0021] Figure 4 It is the A part enlarged schematic view of the utility model gas storage tank safety monitoring and automatic exhaust device.

[0022] In the figure: 1, explosion-proof box; 101, temperature monitoring module; 102, humidity monitoring module; 2, box door; 3, controller; 5, automatic exhaust mechanism; 501, cylinder; 502, movable plug one; 503, spring; 504, movable plug two; 505, push plate; 506, slide rod; 507, connecting plate; 508, electric cylinder; 509, exhaust pipe; 6, gas storage tank; 601, air inlet pipe; 602, air outlet pipe; 603, connecting pipe; 604, pressure monitoring module. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-4 The embodiment of the utility model provides a kind of gas storage tank safety monitoring and automatic exhaust device, comprising: explosion-proof box 1, explosion-proof box 1 is fixedly installed with gas storage tank 6, the top of gas storage tank 6 is connected with air inlet pipe 601, air outlet pipe 602 and connecting pipe 603 respectively, air inlet pipe 601, air outlet pipe 602 and connecting pipe 603 all extend out of explosion-proof box 1, one end of connecting pipe 603 is installed with the automatic exhaust mechanism 5 for gas storage tank;

[0025] Among them, the side of explosion-proof box 1 is installed with box door 2, controller 3 is installed on box door 2, and controller 3 is electrically connected with automatic exhaust mechanism 5.

[0026] Among them, one end of gas storage tank 6 is installed with pressure monitoring module 604, and pressure monitoring module 604 is electrically connected with controller 3 by wire.It adopts high-precision pressure sensor, model is NTJP-1 strain pressure sensor, and this sensor has the advantages that measurement accuracy is high, can reach ±0.1% FS, response speed is fast, and response time is less than 1ms.It is installed at the top of gas storage tank, can directly measure the pressure of gas in tank, and pressure sensor is connected with controller 3 by signal transmission line, can convert the pressure signal collected into electric signal in real time and transmit to controller 3.

[0027] The temperature monitoring module 101 is installed in the explosion-proof box 1 and electrically connected with the controller 3 through wires. A high-temperature-resistant and high-precision temperature sensor is selected, which is a pt100 temperature sensor, has a measurement range of -200℃ to 1300℃, and an accuracy of ±1℃. The temperature sensor is installed in the explosion-proof box 1 to monitor the temperature of the tank body, and the temperature monitoring module 101 is connected with the controller 3 through a signal transmission line to transmit the temperature signal to the controller 3, so as to analyze the temperature condition of the gas storage tank.

[0028] The humidity monitoring module 102 is installed in the explosion-proof box 1 and electrically connected with the controller 3 through wires. A capacitive humidity sensor is used, which is a SHT25 sensor, has a measurement accuracy of ±2% RH, and can accurately measure the environmental humidity in the explosion-proof box 1. The signal is connected to the controller 3 through a transmission line, and the environmental humidity information can be fed back to the controller 3 in real time.

[0029] The automatic exhaust mechanism 5 includes a cylinder body 501, one end of which is fixedly connected with the connecting pipe 603, and the inside of the cylinder body 501 is slidably provided with a movable plug one 502 and a movable plug two 504. The movable plug one 502 and the movable plug two 504 are provided with a spring 503 therebetween. The top of the movable plug two 504 abuts against a push plate 505. One end of the push plate 505 is fixedly connected with a sliding rod 506. One end of the sliding rod 506 is fixedly connected with a connecting plate 507. One end of the connecting plate 507 is fixedly connected with the telescopic rod end of an electric cylinder 508. The electric cylinder 508 is fixed on one side of the cylinder body 501. An exhaust pipe 509 is fixedly connected with one side of the cylinder body 501. By setting the automatic exhaust mechanism 5, the movable plug one 502 and the movable plug two 504 are slidably arranged in the cylinder body 501, and the spring 503 is arranged between them. The pressure in the gas storage tank 6 can be exhausted. The push plate 505 is arranged at one end of the movable plug two 504, and the electric cylinder 508 is controlled to quickly adjust the pressure in the gas storage tank 6, so that the gas storage tank 6 can operate in a safe use range.

[0030] The electric cylinder 508 is electrically connected with the controller 3. By electrically connecting the electric cylinder 508 with the controller 3, the electric cylinder 508 can be controlled to operate by the controller 3, so as to adjust the gas pressure in the gas storage tank 6, greatly simplifying the operation process of the staff.

[0031] The controller 3 can be a PLC controller of the Siemens s7-300 series.

[0032] The working principle of the utility model is: in the equipment operation process, pressure monitoring module 604 measures the pressure in the tank in real time, and transmits the pressure signal to controller 3; temperature monitoring module 101 continuously monitors the temperature in explosion-proof box 1; humidity monitoring module 102 monitors the environmental humidity in real time, and both also transmit signals to controller 3, and controller 3 continuously receives and analyzes these signals, compares with the preset threshold value, when the pressure in the tank rises and exceeds the set threshold value, controller 3 calculates the appropriate exhaust volume according to the current temperature, humidity and other comprehensive conditions, and sends control signals to automatic exhaust mechanism 5 to adjust the position of movable plug two 504 in cylinder body 501, and the excess gas pressure in gas storage tank 6 pushes movable plug one 502 to make spring 503 contract, and then makes the gas in gas storage tank 6 exhaust from exhaust pipe 509, which greatly improves the safety and stability of the gas storage tank operation, and further guarantees the long-term stable operation of the gas storage tank.

[0033] The parts not involved in the utility model are the same as the prior art or can be realized by using the prior art. Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A safety monitoring and automatic venting device for gas storage tank, characterized in that, Include: Explosion-proof box (1), the explosion-proof box (1) is fixedly installed with gas storage tank (6), the top of the gas storage tank (6) is connected with inlet pipe (601), outlet pipe (602) and connecting pipe (603) respectively, the inlet pipe (601), the outlet pipe (602) and the connecting pipe (603) all extend through the explosion-proof box (1), one end of the connecting pipe (603) is provided with automatic exhaust mechanism (5) for gas storage tank; Wherein, one side of the explosion-proof box (1) is provided with box door (2), the controller (3) is installed on the box door (2), and the controller (3) is electrically connected with the automatic exhaust mechanism (5).

2. The safety monitoring and automatic venting device for gas tank according to claim 1, characterized in that: One end of the gas storage tank (6) is provided with pressure monitoring module (604), and the pressure monitoring module (604) is electrically connected with the controller (3) through wires.

3. The safety monitoring and automatic venting device for gas tank according to claim 1, characterized in that: The temperature monitoring module (101) is installed in the explosion-proof box (1), and the temperature monitoring module (101) is electrically connected with the controller (3) through wires.

4. The gas tank safety monitoring and automatic venting device according to claim 3, characterized in that: The humidity monitoring module (102) is installed in the explosion-proof box (1), and the humidity monitoring module (102) is electrically connected with the controller (3) through wires.

5. The safety monitoring and automatic venting device for gas tank according to claim 1, characterized in that: The automatic exhaust mechanism (5) includes cylinder (501), one end of the cylinder (501) is fixedly connected with connecting pipe (603), the inside of the cylinder (501) is respectively slidably provided with movable plug one (502) and movable plug two (504), spring (503) is installed between the movable plug one (502) and the movable plug two (504), the top of the movable plug two (504) abuts with push plate (505), one end of the push plate (505) is fixedly connected with slide rod (506), one end of the slide rod (506) is fixedly connected with connecting plate (507), one end of the connecting plate (507) is fixedly connected with the telescopic rod end of electric cylinder (508), the electric cylinder (508) is fixed on one side of the cylinder (501), and the cylinder (501) is fixedly connected with exhaust pipe (509) on one side.

6. The gas tank safety monitoring and automatic venting device according to claim 5, characterized in that: The electric cylinder (508) is electrically connected with the controller (3).

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