Water leakage detection device for high-temperature sensitized explosive water circulation cooling system

Abstract

The utility model relates to the technical field of civil explosive chemical industry, in particular to a water leakage detection device for a high-temperature sensitized explosive water circulation cooling system, which comprises a flow sensor, a pressure sensor and a humidity sensor which are in synergistic effect, the flow sensor is used for preliminary judgment, then the pressure sensor is used for positioning judgment, and the humidity sensor is used for humidity detection. And then the humidity sensor is driven by the driving mechanism to move for final judgment, so that an alarm can be given in an extremely short time, precious time is won for taking remedial measures in time, and the risk of safety accidents caused by water leakage is effectively reduced.

Description

Technical Field

[0001] This utility model relates to the field of civil explosives and chemical technology, and in particular to a leakage detection device for a water circulation cooling system of high-temperature sensitized explosives. Background Technology

[0002] In the production of high-temperature sensitized explosives, water-cooled circulation systems control the reaction temperature to prevent explosion risks. However, long-term operation of these systems can lead to leaks due to pipe wear and corrosion. Failure to detect leaks promptly can cause system failure or even explosions. Such systems are inefficient and cannot detect even minor leaks in time, making them unsuitable for the extremely safety-critical environment of high-temperature sensitized explosive production. Therefore, there is an urgent need for a leak detection device for high-temperature sensitized explosive water-cooled circulation systems that can promptly detect leaks, locate their location, and alert personnel to prevent accidents. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a water leakage detection device for a water circulation cooling system of high-temperature sensitized explosives, which can detect water leakage in a timely manner, locate the location of the water leakage, and alarm the staff to avoid the occurrence of safety accidents.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a water leakage detection device for a water circulation cooling system for high-temperature sensitized explosives, the water leakage detection device comprising a detection sensing unit, a controller and an alarm;

[0005] The detection sensing unit includes a flow sensor, a pressure sensor, and a humidity sensor;

[0006] Cooling water pool;

[0007] The water inlet pipe leak detection assembly includes a water inlet pipe body and a leak detection device. The water inlet pipe body includes a vertical section, a bend section and a horizontal section connected in sequence. The horizontal section is connected to the water inlet end of the cooling water tank. A flow sensor and several pressure sensors are installed on the horizontal section. The leak detection device includes a drive mechanism and a humidity sensor. The humidity sensor is located below the horizontal section and is movably connected to the ground in the horizontal direction. The drive mechanism is used to drive the humidity sensor to move.

[0008] The water outlet pipe leak detection component is a mirror image of the water inlet pipe leak detection component.

[0009] The controller is electrically connected to the flow sensor, pressure sensor, and humidity sensor.

[0010] The alarm is electrically connected to the controller.

[0011] Furthermore, the horizontal section is equipped with connecting flanges and valves, and there are three pressure sensors: one pressure sensor is located on the side of the horizontal section near the bend, one pressure sensor is located near the connecting flange, and one pressure sensor is located near the valve.

[0012] Furthermore, the pressure sensor is a ceramic pressure sensor, the flow sensor is an electromagnetic flow sensor, and the humidity sensor is a capacitive humidity sensor.

[0013] Furthermore, the drive mechanism includes a lead screw shaft, a slider, and a drive motor. The lead screw shaft is connected to the ground and is located below the horizontal section. The axial direction of the lead screw shaft is parallel to the horizontal section. The slider is slidably connected to the lead screw shaft. The drive motor is drively connected to the lead screw shaft. The humidity sensor is connected to the slider.

[0014] Furthermore, the humidity sensor is magnetically attached to the slider.

[0015] The beneficial effects of this utility model are as follows: Compared with the prior art, when using discrete pressure or flow sensors for threshold alarms, the false alarm rate is as high as 30%-40% due to environmental interference, such as pressure pulsation caused by pump and valve start-up and shutdown, and sensor drift. Moreover, it is impossible to locate the leak point. Therefore, this application uses the synergistic effect of flow sensor, pressure sensor and humidity sensor. The flow sensor makes a preliminary judgment, then the pressure sensor is used for location judgment, and then the humidity sensor is driven by the drive mechanism to make a final judgment. Thus, an alarm can be issued in a very short time, which can buy valuable time for timely remedial measures and effectively reduce the risk of safety accidents caused by water leakage. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a water leakage detection device for a water circulation cooling system of high-temperature sensitized explosives according to a specific embodiment of the present invention.

[0017] Figure 2 This is a schematic diagram of the controller circuit connection of a water leakage detection device for a water circulation cooling system of high-temperature sensitized explosive, which is a specific embodiment of this utility model.

[0018] Label Explanation

[0019] 1. Detection and sensing unit; 11. Flow sensor; 12. Pressure sensor; 13. Humidity sensor;

[0020] 2. Cooling water tank;

[0021] 3. Inlet pipe leak detection assembly; 31. Inlet pipe body; 311. Vertical section; 312. Bend section; 313. Horizontal section; 3131. Connecting flange; 3132. Valve; 32. Leak detection device; 321. Drive mechanism; 3211. Lead screw shaft; 3212. Slider; 3213. Drive motor;

[0022] 4. Leak detection assembly for water outlet pipe;

[0023] 5. Controller;

[0024] 6. Alarm device. Detailed Implementation

[0025] To explain in detail the technical content, objectives, and effects of this utility model, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0026] Please refer to Figures 1 to 2 A water leakage detection device for a water circulation cooling system for high-temperature sensitized explosives, comprising a detection sensing unit 1, a controller 5, and an alarm 6;

[0027] The detection sensing unit 1 includes a flow sensor 11, a pressure sensor 12, and a humidity sensor 13;

[0028] Cooling water pool 2;

[0029] The water inlet pipe leak detection assembly 3 includes a water inlet pipe body 31 and a leak detection device 32. The water inlet pipe body 31 includes a vertical section 311, a bend section 312 and a horizontal section 313 connected in sequence. The horizontal section 313 is connected to the water inlet end of the cooling water pool 2. A flow sensor 11 and several pressure sensors 12 are provided on the horizontal section 313. The leak detection device 32 includes a drive mechanism 321 and a humidity sensor 13. The humidity sensor 13 is located below the horizontal section 313 and is movably connected to the ground in the horizontal direction. The drive mechanism 321 is used to drive the humidity sensor 13 to move.

[0030] Water outlet pipe leak detection component 4 is a mirror image of water inlet pipe leak detection component 3;

[0031] Controller 5 is electrically connected to flow sensor 11, pressure sensor 12 and humidity sensor 13;

[0032] Alarm 6 is electrically connected to controller 5.

[0033] In the above embodiments, since the cooling water tank 2 is sealed, under ideal conditions, the water flow rate of the inlet pipe body 31 and the water flow rate of the outlet pipe body are equal under the action of air pressure. The inlet flow rate of the inlet pipe body 31 and the water flow rate of the outlet pipe body are monitored in real time. When there is a significant difference between the two and it exceeds the set threshold, it is initially judged that there may be a water leakage in the system. At this time, the pressure in the pipe is monitored in real time. When the pipe leaks, the pressure will fluctuate abnormally. When the pressure sensor 12 deviates from the set threshold, it is further judged that there may be a water leakage. Then, the drive mechanism 321 drives the humidity sensor 13 to move below the pressure sensor 12 where the deviation from the set threshold occurs. It continuously detects for three to five minutes to see if the humidity of the humidity sensor 13 increases and exceeds the preset threshold. When all of the above conditions are met, the controller 5 transmits the signal. The signal is sent to alarm 6, which then sounds an alarm. Personnel quickly move to the location where the pressure sensor 12 is fluctuating abnormally to repair the leak. Compared with existing technologies, which use discrete pressure or flow sensors 11 for threshold alarms, the false alarm rate is as high as 30%-40% due to environmental interference, such as pressure pulsation caused by pump and valve start-up and shutdown, and sensor drift. Moreover, it is impossible to locate the leak point. Therefore, this application uses the synergistic effect of flow sensor 11, pressure sensor 12, and humidity sensor 13. Flow sensor 11 makes a preliminary judgment, followed by pressure sensor 12 for location judgment, and then the humidity sensor 13 is moved by drive mechanism 321 for final judgment. This allows an alarm to be issued in a very short time, buying valuable time for timely remedial measures and effectively reducing the risk of safety accidents caused by water leakage.

[0034] As an optional implementation, the horizontal section 313 is provided with a connecting flange 3131 and a valve 3132. There are three pressure sensors 12: one pressure sensor 12 is located on the side of the horizontal section 313 near the bend section 312, one pressure sensor 12 is located near the connecting flange 3131, and one pressure sensor 12 is located near the valve 3132.

[0035] In the above embodiments, when one of the pressure sensors 12 is located on the side of the horizontal section 313 near the bend section 312, the flow direction changes at the bend, causing the fluid to generate centrifugal force, resulting in an increase in pressure on the outer side and a decrease in pressure on the inner side, forming a pressure gradient. If a leak occurs in the pipeline, the pressure fluctuation amplitude in this area will increase by 30%-50% compared to the straight section, making it easier for the pressure sensor 12 to detect abnormal signals.

[0036] As an optional implementation, the pressure sensor 12 is a ceramic pressure sensor 12, the flow sensor 11 is an electromagnetic flow sensor 11, and the humidity sensor 13 is a capacitive humidity sensor 13.

[0037] As an optional implementation, the drive mechanism 321 includes a lead screw 3211, a slider 3212, and a drive motor 3213. The lead screw 3211 is connected to the ground and is located below the horizontal section 313. The axial direction of the lead screw 3211 is parallel to the horizontal section 313. The slider 3212 is slidably connected to the lead screw 3211. The drive motor 3213 is drively connected to the lead screw 3211. The humidity sensor 13 is connected to the slider 3212.

[0038] In the above embodiments, the humidity sensor 13 is moved below the pressure sensor 12 that is malfunctioning by driving the slider 3212 through the driving mechanism 321.

[0039] As an optional implementation, the humidity sensor 13 is magnetically attached to the slider 3212.

[0040] In the above embodiments, by setting an iron sheet on the slider 3212 and a magnetic surface on the humidity sensor 13 that is the same as the iron sheet, the humidity sensor 13 is fixed on the moving block by adsorbing the magnetic surface with the iron sheet, which can achieve the effect of quick disassembly.

[0041] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A water leakage detection device for a high temperature sensitized explosive water circulation cooling system, characterized in that, The water leakage detection device comprises a detection sensor unit, a controller and an alarm; The detection sensor unit comprises a flow sensor, a pressure sensor and a humidity sensor; A cooling pool; The water inlet pipe leakage detection assembly comprises a water inlet pipe body and a leakage detection device, the water inlet pipe body comprises a vertical section, an elbow section and a horizontal section connected in sequence, the horizontal section is connected to a water inlet end of the cooling pool, the horizontal section is provided with the flow sensor and a plurality of pressure sensors, the leakage detection device comprises a driving mechanism and the humidity sensor, the humidity sensor is located below the horizontal section, the humidity sensor is movably connected to the ground in a horizontal direction, and the driving mechanism is used to drive the humidity sensor to move; The water outlet pipe leakage detection assembly is a mirror image of the water inlet pipe leakage detection assembly; The controller is electrically connected with the flow sensor, the pressure sensor and the humidity sensor; The alarm is electrically connected with the controller.

2. The water leakage detection device for a high temperature sensitized explosive water circulation cooling system according to claim 1, characterized by, The horizontal section is provided with a connecting flange and a valve, the pressure sensor has three, one pressure sensor is arranged on one side of the horizontal section close to the elbow section, one pressure sensor is arranged close to the connecting flange, and one pressure sensor is arranged close to the valve.

3. The water leakage detection device for a high temperature sensitized explosive water circulation cooling system according to claim 1, characterized by, The pressure sensor is a ceramic pressure sensor, the flow sensor is an electromagnetic flow sensor, and the humidity sensor is a capacitive humidity sensor.

4. The water leakage detection device for a high temperature sensitized explosive water circulation cooling system according to claim 1, characterized by, The driving mechanism comprises a lead screw shaft, a sliding block and a driving motor, the lead screw shaft is connected to the ground, the lead screw shaft is located below the horizontal section, the axial direction of the lead screw shaft is parallel to the horizontal section, the sliding block is slidably connected with the lead screw shaft, the driving motor is in transmission connection with the lead screw shaft, and the humidity sensor is connected to the sliding block.

5. The water leakage detection device for a high temperature sensitized explosive water circulation cooling system according to claim 3, characterized by, The humidity sensor is connected to the sliding block by magnetic attraction.

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