CN203465428U - Deep sea simulation acoustic experiment platform - Google Patents

Abstract

The utility model relates to a deep sea simulation acoustic experiment platform which comprises a water tank system, a pressure regulating and pressure keeping system, a bubble generating system, a water tank pressure protection system and an acoustic system. The pressure regulating and pressure keeping system, the bubble generating system, the water tank pressure protection system and the acoustic system are unconnected but are connected with the water tank system. The pressure regulating and pressure keeping system regulates the pressure in a water tank to a specified value according to experiment requirements, and carries out real-time regulation and control to realize long-time pressure keeping. The bubble generating system generates controllable bubbles. The water tank pressure protection system controls the pressure of the water tank within a prescribed range, so as to play the role of protection. As the most important element of the experiment platform, the acoustic detection system relates to ultrasonic generating and receiving, and analyzes and processes signals to draw an experiment conclusion. According to the utility model, the platform simulates a deep sea environment in a laboratory, realizes real-time pressure regulating and pressure keeping, and can simulate the pressure of any depth in the deep sea within the prescribed range, and the generated bubbles can simulate bubbles which are truly discharged at the bottom of the deep sea.

Description

Deep sea simulated acoustic test bench

technical field

The utility model belongs to the technical field of marine exploration equipment and relates to a deep-sea simulated acoustic experiment platform. the

Background technique

The seabed is rich in mineral resources, and the development of marine resources, especially the development of various mineral resources in the deep seabed is a new technical field. Resources such as deep-sea hydrothermal fluids, cold seeps, oil and natural gas will become one of the main energy sources for human beings in the 21st century. Under the action of the interior of the earth's crust, they often emit gases rich in various chemical substances in the form of bubbles. By detecting these bubbles, the corresponding deep-sea mineral deposits can be detected and located. However, due to the complex geology, ocean currents, pressure, temperature and other environmental conditions of the deep seabed, the study of deep-sea detection methods is a frontier science in the world today. Acoustic detection is a method that has been widely used in ocean detection so far, but it is limited to close contact or large-scale census. In order to study the mechanism of the long-distance acoustic precision detection method and conduct simulation experiments in the laboratory, it is imminent to develop a related experimental platform. At present, there is no large-scale promotion of relatively complete deep-sea simulated acoustic test benches for scientific research. the

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art, and provide a deep-sea simulated acoustic experiment platform, which can realize the acoustic detection experiment in the deep-sea simulated high-pressure environment. the

The utility model comprises a water tank system, a pressure regulating and maintaining system, a bubble generating system, a water tank pressure protection system and an acoustic system. the

The water tank system includes a closed water tank shell, a sealing ring, a locking clip, a support stand, an automatic opening device, a thermometer, a pressure compensator and several connecting channels, wherein the water tank shell is made of iron materials, except for the bottom surface The five sides of the water tank are equipped with glass windows made of high temperature, high pressure and corrosion resistant plexiglass or quartz glass. The water tank shell is composed of the water tank cover and the water tank body, and is fixed by the locking clips on both sides of the water tank cover. The two are locked and fixed, and the joint is sealed by a sealing ring; the support stand is located at the bottom of the water tank; the automatic opening device is installed in the center of the upper part of the water tank cover; the thermometer is installed on the left side of the water tank cover; the pressure compensator is installed in the water tank. The middle part of the right side of the tank; the two connecting channels on the left side of the water tank and the two connecting channels on the right and bottom are used as the connection between the pressure regulating and maintaining system, the bubble generation system, the water tank pressure protection system, the acoustic system and the water tank system. interface between. the

The pressure regulating and maintaining system includes a first gas compressor, a front pressure regulating two-way valve, a simulated seawater tank, a pressure regulating and stabilizing valve, a pressure regulating flowmeter, a liquid booster pump, a liquid booster pump two-way valve, a regulator Pressure gauge, pressure regulating three-way valve, post-pressure regulating two-way valve, pressure maintaining three-way valve, pressure maintaining pressure gauge, return flow two-way valve, first controller and pressure relief valve; the first gas compressor has Two outlets, one of which is connected to one end of the front pressure regulating two-way valve, the other outlet is connected to one end of the backflow two-way valve on the top of the water tank, and the other end of the backflow two-way valve is connected to the water tank; the front pressure regulating The other end of the two-way valve is connected to an interface of the simulated seawater tank, one of the other two interfaces of the simulated seawater tank is connected to the inlet of the pressure regulating and stabilizing valve by a pipeline, and the other is connected to the pressure relief valve by a pipeline The outlet, the inlet of the pressure relief valve are connected to the pipeline between the pressure regulating three-way valve and the rear pressure regulating two-way valve; the outlet of the pressure regulating and stabilizing valve is connected to one end of the pressure regulating flowmeter, and the other end of the pressure regulating flowmeter is connected to The left inlet of the pressure three-way valve is connected; the right outlet of the pressure regulating three-way valve is connected with one end of the rear pressure regulating two-way valve, and the upper outlet is connected with the pressure regulating pressure gauge; the other end of the rear pressure regulating two-way valve is connected with the The water tank is connected; one end of the two-way valve of the liquid booster pump is connected to the liquid booster pump, and the other end is connected to the pipeline between the pressure regulating flowmeter and the pressure regulating three-way valve; the liquid booster pump is externally connected to the first controller; located in the water tank The pressure-holding three-way valve on the top is equipped with a pressure-holding pressure gauge. the

The bubble generating system includes a pressure gauge, a flow meter, a pressure stabilizing valve, a throttle valve, an aeration device and a second gas compressor; wherein the aeration device is located at the lower right side of the water tank; the outlet of the second gas compressor and the throttle valve The inlet is connected; the outlet of the throttle valve is connected with the inlet of the pressure-stabilizing valve; the outlet of the pressure-stabilizing valve is connected with one end of the flowmeter; the other end of the flowmeter is connected with one end of the pressure gauge; the other end of the pressure gauge is connected with the aeration device . the

The water tank pressure protection system includes a second controller, a solenoid valve, a pneumatic valve, an explosion-proof valve, a water container and a third gas compressor; the inlet of the solenoid valve is connected to the water tank, the outlet is connected to the inlet of the pneumatic valve, and the second Two controllers, the third air compressor; the outlet of the pneumatic valve is connected to the water container; the inlet of the explosion-proof valve is connected to the pipeline between the water tank and the solenoid valve, and the outlet is connected to the water container; the second controller is equipped with a pressure sensor. the

The acoustic system includes a signal generator, a power amplifier, an ultrasonic probe and a data acquisition system, wherein the ultrasonic probe integrates ultrasonic generation and reception, and is placed on the left side of the water tank; the data acquisition system includes a data acquisition card and a computer, and the ultrasonic The signal output end of the probe is connected; the output end of the power amplifier is connected with the signal input end of the ultrasonic probe, and the input end of the power amplifier is connected with the signal output end of the signal generator. the

The beneficial effects of the utility model are:

1. Simulate the deep sea environment at any depth within the specified range. Through manual calculation, the pressure value at a certain depth in the ocean can be obtained. The utility model can be pressurized to a specified value through the hydraulic system, and the pressure difference generated by the height of the water tank of the test bench is negligible compared with the specified value, that is, the real The pressure environment at this depth is accurately simulated;

2. Realize real-time pressure maintenance. The utility model can maintain a constant pressure in the water tank and realize real-time regulation;

3. According to the experimental requirements, it can produce bubbles with controllable size, speed and quantity;

4. According to the experimental requirements, bubbles containing specified chemical components can be generated, so as to truly simulate the bubbles produced by deep-sea mineral deposits and realize deep-sea simulation detection experiments.

5. According to the experimental requirements, it can generate various forms of sound waves to meet various experimental requirements, and finally realize the research on the mechanism of acoustic detection of deep-sea mineral deposits. the

6. On the basis of the system of the present utility model, other necessary equipment can be installed, and various deep-sea simulation experiments except acoustics can be carried out on the test bench. the

Description of drawings

Fig. 1 is the general design layout drawing of the experimental bench of the present utility model;

Fig. 2 is the structural representation of the water tank system of the present utility model;

Fig. 3 is a structural schematic diagram of the pressure regulating and maintaining system of the present invention;

Fig. 4 is a schematic structural view of the bubble generating system of the present invention;

Fig. 5 is the structural representation of the water tank pressure protection system of the present utility model;

Fig. 6 is a schematic diagram of the acoustic detection structure of the present invention.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described. the

As shown in Figure 1, the deep-sea simulated acoustic test bench includes a water tank system 01, a pressure regulating and maintaining system 02, a bubble generation system 03, a water tank pressure protection system 04 and an acoustic system 05. the

As shown in Figure 2, the water tank system 01 includes an airtight water tank shell 101, a sealing ring 102, a locking clip 103, a support stand 104, an automatic opening device 105, a thermometer 106, a pressure compensator 107 and several connecting channels, Among them, the water tank shell 101 is made of iron material, and the five surfaces except the bottom are equipped with glass windows 110 made of high temperature resistant, high pressure resistant, corrosion resistant plexiglass or quartz glass, which is convenient for experimenters to observe and take pictures. , the water tank shell 101 is composed of a water tank cover 108 and a water tank body 109, and the two are locked and fixed by the locking clips 103 on both sides of the water tank cover 108, and the seal ring 102 at the junction ensures that there is no gap; it has a shock-absorbing function The supporting stand 104 is located at the bottom of the water tank body 109; the automatic opening device 105 is installed in the center of the upper part of the water tank cover 108, which can automatically open and close the locking clip 103 and the water tank cover 108; the thermometer 106 is installed on the left side of the water tank cover 108, In order to measure the temperature inside the water tank in real time; the pressure compensator 107 is installed in the middle part of the right side of the water tank body 109 for compensation and adjustment; the two connecting channels on the left side of the water tank body 109 and the two connecting channels on the right side and the bottom respectively The channel serves as the interface between the pressure regulating and maintaining system 02, the bubble generation system 03, the water tank pressure protection system 04, the acoustic system 05 and the water tank system 01;

As shown in Figure 3, the pressure regulating and maintaining system 02 includes a first gas compressor 201, a front pressure regulating two-way valve 202, a simulated seawater tank 203, a pressure regulating and stabilizing valve 204, a pressure regulating flowmeter 205, a liquid booster Pressure pump 206, liquid booster pump two-way valve 207, pressure regulating pressure gauge 208, pressure regulating three-way valve 209, rear pressure regulating two-way valve 210, pressure maintaining three-way valve 211, pressure maintaining 212, return flow two-way valve 213 , a first controller 214 and a pressure relief valve 215; the first gas compressor 201 has two outlets, one of which is connected to one end of the front pressure regulating two-way valve 202, and is mainly used to generate gas before the experiment begins. The source presses the liquid in the simulated seawater tank 203 into the water tank 01, and the other outlet is connected with the return two-way valve 213 on the top of the water tank 01, which is mainly used to generate an air source to press the remaining liquid in the water tank 01 after the experiment is over. into the simulated seawater tank 203; the other end of the front pressure-regulating two-way valve 202 is connected with the simulated seawater tank 203, the simulated seawater tank 203 has three interfaces, and the other two interfaces, one of which is connected to the pressure regulator by a pipeline One end of the pressure valve 204 is imported, and the other port is connected to the outlet of the pressure relief valve 215 by a pipeline. pressure; the outlet of the pressure-regulating and stabilizing valve 204 is connected to one end of the pressure-regulating flowmeter 205, and the other end of the pressure-regulating flowmeter 205 is connected to the left inlet of the pressure-regulating three-way valve 209; the right side of the pressure-regulating three-way valve 209 The outlet is connected to one end of the rear pressure regulating two-way valve 210, and the upper outlet of the pressure regulating three-way valve 208 is connected to the pressure regulating pressure gauge 208. When adding water to the water tank 01, the upper outlet is closed, and the left inlet and right outlet are opened. , to simulate the passage of the liquid in the seawater tank 203; when pressurizing the water tank 01, the pressure regulating pressure gauge 208 sets a pressure value, and when the pressure reaches this value, the outlet on the upper side of the pressure regulating three-way valve 209 is opened, and the inlet on the left side is closed. Therefore, the liquid booster pump 206 is stopped by the first controller 214, and the pressure regulating pressure gauge 208 detects the pressure in the water tank in real time. If there is any change, the outlet on the upper side of the pressure regulating three-way valve 209 is immediately closed, and the left inlet is opened simultaneously. , the first controller 214 controls the work of the liquid booster pump 206 to restore the pressure in the water tank 01 to a specified value, so that the pressure maintaining of the water tank 01 is realized through repetition; the other end of the rear pressure regulating two-way valve 210 is connected with the water tank 01; the liquid The booster pump 206 is connected to the pipeline between the pressure regulating flowmeter 205 and the pressure regulating three-way valve 209 through the liquid booster pump two-way valve 207, and the first controller 214 is externally connected to control the liquid booster pump 206 in real time. Working state: The pressure-holding three-way valve 211 located on the top of the water tank is equipped with a pressure-holding pressure gauge 212, which is used to measure the pressure on the top of the water tank in real time;

As shown in Figure 4, the bubble generating system 03 includes a pressure gauge 301, a flow meter 302, a pressure stabilizing valve 303, a throttle valve 304, an aeration device 305 and a second gas compressor 306; The aeration device 305 can generate air bubbles of different sizes by adjusting the aperture size of the air outlet of the aeration plate; the second gas compressor 306 inputs various gases required for the experiment, thereby generating air with different chemical components in the water tank 01 Bubbles; between the second gas compressor 306 and the aeration device 305 are throttle valve 304, pressure stabilizing valve 303, flowmeter 302, and pressure gauge 301 in sequence. Through the adjustment of these parts, the airflow speed and size control can be realized, thereby According to the requirements of the experiment, bubbles with specific size, quantity, movement speed and specified chemical composition can be produced;

As shown in Figure 5, the water tank pressure protection system 04 includes a second controller 401, a solenoid valve 402, a pneumatic valve 403, an explosion-proof valve 404, a water container 405 and a third gas compressor 406; wherein the solenoid valve 402 inlet and The water tank 01 is connected, the outlet is connected to the inlet of the pneumatic valve 403, and the second controller 401 and the third air compressor 406 are connected externally; the outlet of the pneumatic valve 403 is connected to the water container 405; the inlet of the explosion-proof valve 404 is connected to the water tank 01 The pipeline between the electromagnetic valve 402 and the outlet is connected to the water container 405; the second controller 401 is equipped with a pressure sensor to measure and display the pressure inside the water tank 01 in real time, which is the pressure at the bottom of the water tank 01; The controller 401 controls the working state of the pressure protection system of the entire water tank 01. If the pressure in the water tank 01 exceeds the preset value, the second controller 401 will send a command, and the third gas compressor 406 will work to generate gas source to act on the pneumatic valve 403 , so that the pneumatic valve 403 is opened to relieve the pressure of the water tank 01; at the same time, the explosion-proof valve 404 plays a double protective role to avoid danger when the pressure of the water tank 01 exceeds the limit.

As shown in Figure 6, the acoustic system 05 includes a signal generator 503, a power amplifier 502, an ultrasonic probe 501 and a data acquisition system 504, wherein the ultrasonic probe 501 integrates ultrasonic generation and reception, and is placed on the left side of the water tank 01 The data acquisition system 504 comprises a data acquisition card and a computer, and is connected with the signal output end of the ultrasonic probe 501; the output end of the power amplifier 502 is connected with the signal input end of the ultrasonic probe 501, and the input end of the power amplifier 502 is connected with the signal generator 503 connected to the signal output. the

The method of using the above-mentioned deep-sea simulated acoustic test bench includes three parts: water tank assembly, pressure regulation and pressure maintenance, bubble generation, and acoustic detection. The specific steps are as follows:

A. Water tank assembly process:

Before the assembly of A-1, according to the experimental requirements, arrange the relevant experimental equipment inside the water tank; then install the aeration device 205 and the acoustic system 05 in the bubble generation system The interface between the protection system 04 and the water tank system 01 is installed; then the water tank cover 108 is closed by the automatic opening device 105, and the sealing ring 102 ensures that there is no gap between the water tank cover 108 and the water tank body 109, and is locked The clamp 103 tightens the two to ensure that it is always in a sealed state under the high pressure state of the water tank; wherein the thermometer 106 is used as an embedded part of the water tank cover 108, and the pressure compensator 107 is used as an embedded part of the water tank body 109. When the cover 108 is closed, it starts to work; the whole assembly process is completed on the support stand 104;

A-2 After the experimental operation is completed, the water tank 01 can be automatically opened by the automatic opening device 105 after the internal pressure of the water tank 01 is reduced to normal pressure;

B. Pressure regulation and pressure holding process:

Before B-1 pressure regulation, the water tank system 01 is filled with air, the pressure is atmospheric pressure, the valve of the pressure maintaining three-way valve 211 is in the open state, and all other valves are in the closed state;

When B-2 is pressurized, open the front pressure regulating two-way valve 202, overflow valve 203, pressure regulating and stabilizing valve 204, rear pressure regulating two-way valve 210 and pressure regulating three-way valve 209 between the left inlet and the right outlet The spool in between (to open the left inlet and the right outlet, and close the upper outlet), the gas source is generated by the first gas compressor 201, and the liquid in the simulated seawater tank 203 is squeezed into the water tank system 01, and the pressure is maintained When the three-way valve 211 has a continuous flow of water at the beginning, close the front pressure-regulating two-way valve 202, and the first gas compressor 201 stops working; all valves in the pressure-regulating and maintaining system 02 are closed; The inlet on the left side and the outlet on the right side of the through valve 209 are opened, and the outlet on the upper side is still closed. According to the experimental requirements, the pressure value to be achieved by the water tank 01 is set at the pressure regulating pressure gauge 208, and the two-way valve 207 and the rear valve of the liquid booster pump are opened. The pressure-regulating two-way valve 210 is controlled by the first controller 214 to start the liquid booster pump 206 to continuously pressurize the water tank 01. When the pressure required by the experiment is reached, the left inlet of the pressure-regulating three-way valve 209 is immediately closed. The upper outlet is opened, and the first controller 214 issues an order at the same time, and the liquid booster pump 206 stops working. At this time, the pressure regulating pressure gauge 208 monitors and displays the pressure of the water tank 01 in real time. If there is any change, the pressure regulating three-way valve 209 The upper outlet is closed immediately, the left inlet is opened, the first controller 214 immediately starts the liquid booster pump 206 to pressurize the water tank 01, when the water tank reaches the specified value, it stops working, and the pressure regulating three-way valve 209 also restores the left inlet Closed, the right side and the upper side outlet are open, so it goes round and round, so as to achieve the function of holding pressure; the data displayed at the holding pressure gauge 212 is the pressure at the top of the water tank 01, which is used as a spare parameter for the experiment;

B-3 When the pressure is released, when the experimental link at a certain pressure is over, the pressure needs to be released. At this time, the liquid booster pump 206 and the first controller 214 are stopped, all valves are closed, and only the rear pressure regulating two-way valve 210 and the pressure relief valve 215 are opened, the liquid in the water tank 01 is discharged into the simulated seawater tank 203, and normal pressure is restored in the water tank 01; The remaining liquid in the tank is all discharged into the simulated seawater tank 203;

During B-4 pressure regulation, after the pressurization in the B-2 step is completed, if the pressure in the water tank 01 is to be greater than the existing pressure, then the first controller 214 and the liquid booster pump 206 in the B-2 step Continue to pressurize to the specified pressure on the basis; if the pressure in the water tank 01 is to be lower than the existing pressure, refer to step B-3, each valve is set in the state of step B-3, and the pressure relief valve 215 Set a specified pressure value, and start to release the pressure; when the specified pressure is reached in the water tank 01, each valve returns to the state of step B-2, and the first controller 214 and the liquid booster pump 206 work together to realize pressure maintenance ;

During the B-5 experiment, the pressure in the water tank 01 is very high, and there is a certain danger. In order to ensure the safety of the experiment, the water tank pressure protection system 04 plays a very important role; when the pressure in the water tank 01 exceeds a certain safety value, the first The second controller 401 issues a command, and under the action of the gas source of the third gas compressor 406, the pneumatic valve 403 is opened to relieve the pressure of the water tank 01, thereby achieving the function of protection; at the same time, when the explosion-proof valve 404 reaches the limit pressure of the water tank 01, it will automatically Open it to relieve the pressure of the water tank 01;

C. Bubble generation process:

After the above steps are completed, the water tank 01 is in the state of simulating the deep sea, and the gas is pressed in by the second gas compressor 306, and the gas is injected in the throttle valve 304, the pressure stabilizing valve 303, the flow meter 302, the pressure gauge 301 and the aeration device 305. Under the joint action of the gas, the air bubbles that can be set physically and chemically are generated; the chemical composition of the gas pressed through the second gas compressor 306 is different, and the chemical composition of the generated air bubbles can be controlled; by adjusting the small holes of the aeration plate in the aeration device The size of the aperture can control the size of the bubbles; by adjusting the number of small holes in the aeration plate and the flow rate of the gas in the aeration device, the number and speed of bubble generation can be controlled.

D. Acoustic detection process:

After the bubbles to be generated are in the state required by the experiment, the signal generator 503 sends out a signal of the preset frequency of the experiment, and after being adjusted by the power amplifier 502, the signal is input into the ultrasonic probe 501 to emit ultrasonic waves; after the ultrasonic waves encounter objects such as bubbles, the sound waves It will be reflected, returned by a certain path, received by the ultrasonic probe 501, and finally analyzed and processed by the data acquisition system 504 to obtain the mechanism of acoustic detection of deep-sea mineral deposits.

The system provided by the utility model patent has been introduced in detail above. For those skilled in the art, according to the concept of the utility model, there will be changes in the specific implementation and application range. To sum up, the content of this specification should not be understood as a limitation on this system, and any changes made according to the ideas involved in the utility model are within the protection scope of the utility model patent. the

Claims (1)

1. Deep-sea simulated acoustic test bench, including water tank system (01), pressure regulating and maintaining system (02), bubble generation system (03), water tank pressure protection system (04) and acoustic system (05), characterized in that: The water tank system (01) includes a closed water tank shell (101), a sealing ring (102), a locking clip (103), a support stand (104), an automatic opening device (105), a thermometer (106), a pressure The compensator (107) and several connecting channels, wherein the water tank casing (101) is made of iron material, and the five sides except the bottom are equipped with high temperature, high pressure, corrosion resistant plexiglass or quartz glass The glass window (110) of the water tank shell (101) is composed of the water tank cover (108) and the water tank body (109), and the two are locked and fixed by the locking clips (103) on both sides of the water tank cover (108) , the sealing ring (102) at the junction ensures that there is no gap; the support stand (104) is located at the bottom of the water tank (109); the automatic opening device (105) is installed in the upper center of the water tank cover (108); the thermometer (106) is installed on the left side of the water tank cover (108); the pressure compensator (107) is installed in the middle of the right side of the water tank body (109); the two connection channels on the left side of the water tank body (109) and the two A connecting channel serves as the interface between the pressure regulating and maintaining system (02), the bubble generation system (03), the water tank pressure protection system (04), the acoustic system (05) and the water tank system (01); The pressure regulating and maintaining system (02) includes a first gas compressor (201), a front pressure regulating two-way valve (202), a simulated seawater tank (203), a pressure regulating and stabilizing valve (204), a pressure regulating flowmeter (205), liquid booster pump (206), liquid booster pump two-way valve (207), pressure regulating pressure gauge (208), pressure regulating three-way valve (209), rear pressure regulating two-way valve (210), A three-way valve for maintaining pressure (211), a pressure maintaining pressure gauge (212), a two-way return valve (213), a first controller (214) and a pressure relief valve (215); the first gas compressor (201) It has two outlets, one of which is connected to one end of the front pressure regulating two-way valve (202), and the other outlet is connected to one end of the return two-way valve (213) on the top of the water tank (01), and the return two-way valve (213 ) is connected to the water tank (01); the other end of the front pressure regulating two-way valve (202) is connected to an interface of the simulated seawater tank (203), and one of the other two interfaces of the simulated seawater tank (203) The interface is connected to the inlet of the pressure regulating and stabilizing valve (204) by a pipeline, and the other interface is connected to the outlet of the pressure relief valve (215) by a pipeline. The pipeline between the pressure-regulating two-way valve (210) is connected; the outlet of the pressure-regulating and stabilizing valve (204) is connected to one end of the pressure-regulating flowmeter (205), and the other end of the pressure-regulating flowmeter (205) is connected to the pressure-regulating three-way The left inlet of the one-way valve (209) is connected; the right outlet of the pressure-regulating three-way valve (209) is connected with one end of the rear pressure-regulating two-way valve (210), and the upper outlet is connected with the pressure-regulating pressure gauge (208); The other end of the rear pressure regulating two-way valve (210) is connected to the water tank (01); one end of the liquid booster pump two-way valve (207) is connected to the liquid booster pump (206), and the other end is connected to the pressure regulating flowmeter (205 ) and the pressure-regulating three-way valve (209); the liquid booster pump (206) is externally connected to the first controller (214); the pressure-holding three-way valve (211) on the top of the water tank is equipped with a pressure-holding pressure gauge (212); The bubble generation system (03) includes a pressure gauge (301), a flow meter (302), a pressure stabilizing valve (303), a throttle valve (304), an aeration device (305) and a second gas compressor (306) ; wherein the aeration device (305) is located on the lower right side of the water tank (01); the outlet of the second gas compressor (306) is connected to the inlet of the throttle valve (304); the outlet of the throttle valve (304) is connected to the pressure stabilizing valve (303 ) is connected to the inlet; the outlet of the pressure stabilizing valve (303) is connected to one end of the flow meter (302); the other end of the flow meter (302) is connected to one end of the pressure gauge (301); the other end of the pressure gauge (301) is connected to The aeration device (305) is connected; The water tank pressure protection system (04) includes a second controller (401), a solenoid valve (402), a pneumatic valve (403), an explosion-proof valve (404), a water container (405) and a third gas compressor (406 ); the inlet of the electromagnetic valve (402) is connected with the water tank (01), the outlet is connected with the inlet of the pneumatic valve (403), and the second controller (401) and the third air compressor (406) are externally connected; the pneumatic valve (403 ) is connected to the water container (405); the inlet of the explosion-proof valve (404) is connected to the pipeline between the water tank (01) and the solenoid valve (402), and the outlet is connected to the water container (405); the second control The device (401) is equipped with a pressure sensor; The acoustic system (05) includes a signal generator (503), a power amplifier (502), an ultrasonic probe (501) and a data acquisition system (504), wherein the ultrasonic probe (501) integrates ultrasonic generation and reception, and is deployed On the left side of the water tank (01); the data acquisition system (504) includes a data acquisition card and a computer, and is connected to the signal output end of the ultrasonic probe (501); the output end of the power amplifier (502) is connected to the signal of the ultrasonic probe (501) The input end is connected, and the input end of the power amplifier (502) is connected with the signal output end of the signal generator (503).

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