A typical water environment simulation test device and a simulation method thereof

Abstract

The application provides a typical water area environment simulation test device and a simulation method thereof. The device comprises a water pool, the inside of which is sequentially provided with a simulated riverbed and a water level adjusting mechanism from right to left, the water pool is further provided with an adjusting mechanism for adjusting the height and the inclination angle of the simulated riverbed, and a turbulent flow plate is arranged on the simulated riverbed. A water inlet pipe is arranged on the right side of the water pool, and a water outlet pipe is arranged on the left side of the water pool. The hot water heat exchanger and the cold water heat exchanger are used in combination to simulate the water temperature in different seasons and different regions. The water pump inlet is connected with a sand filter, the outlet is connected with the inlet of a venturi mixer, the outlet of the venturi mixer is connected with the water inlet pipe, a sand box is connected with the vertical inlet of the venturi mixer, so that the sand in the sand box is sucked into the venturi mixer under the action of negative pressure and mixed with water. The device is used for simulating the scouring of a river channel, the water flow velocity, the test water temperature and the riverbed angle can be set, the water area environment state in a rescue and relief operation is simulated, and the performance of a fire water area rescue equipment is tested and verified.

Description

Technical Field

[0001] This invention relates to the field of aquatic simulation systems, and in particular to a typical aquatic environment simulation testing device and its simulation method. Background Technology

[0002] Since the reform and transfer of command, "all-hazard, large-scale emergency response" has become the main task of fire and rescue teams. my country has abundant water resources, but water-related accidents are frequent. Coupled with the severe floods in recent years, the rescue teams' tasks of rescuing people, freeing trapped individuals, and protecting national and public property have become increasingly arduous. Rescue teams across the country have established specialized water rescue teams, leading to a growing demand for reliable and effective new water rescue equipment. The performance of water rescue equipment often needs to be tested in a large, real aquatic environment. However, my country is vast, with large annual temperature differences and significant variations in aquatic environments across different regions. Furthermore, there are no domestic water environment simulation testing facilities for testing the performance of fire-fighting equipment. Summary of the Invention

[0003] In view of this, the present invention aims to provide a typical aquatic environment simulation test device and simulation method to solve the above problems.

[0004] To achieve the above objectives, the technical solution of the present invention is implemented as follows:

[0005] A typical aquatic environment simulation testing device includes:

[0006] The pool contains a simulated riverbed and a water level regulating mechanism arranged from right to left. The pool also contains an adjustment mechanism for adjusting the height and tilt angle of the simulated riverbed, which is equipped with turbulence plates. The right side of the pool has an inlet pipe located above the simulated riverbed, and the left side has an outlet pipe.

[0007] A cold water heat exchanger, connected to the outlet pipe, is used to supply cold water;

[0008] A hot water heat exchanger, connected to the outlet pipe, is used to provide hot water. When used in conjunction with a cold water heat exchanger, the hot water heat exchanger can simulate water temperatures in different seasons and regions.

[0009] The sand filter is connected to the cold water heat exchanger and the hot water heat exchanger via connecting pipes.

[0010] The water pump's inlet is connected to the sand filter, and its outlet is connected to the inlet of the Venturi mixer. The outlet of the Venturi mixer is connected to the inlet pipe.

[0011] The sand box is connected to the vertical inlet of the Venturi mixer so that the sand in the sand box is drawn into the Venturi mixer and mixed with water under negative pressure; the sand box is also connected to the sand filter through a connecting pipe.

[0012] The control console is used to start and stop the chilled water heat exchanger, hot water heat exchanger, sand filter, and water pump.

[0013] Furthermore, the simulated riverbed includes an inclined plate and a horizontal plate. The left end of the inclined plate is hinged to the bottom of the pool, the right end of the inclined plate is inclined upward and hinged to the left end of the horizontal plate, and the right end of the horizontal plate is set on the adjustment mechanism. There are several turbulence plates, which are detachably set on the upper surface of the inclined plate.

[0014] Furthermore, the adjustment mechanism includes a drive roller, a driven roller, a conveyor belt, a motor, and an adjusting block. The drive roller and the driven roller are arranged vertically inside the water tank, and the drive roller is driven by the motor. The conveyor belt is wound around the drive roller and the driven roller, and the width of the conveyor belt is equal to the width of the water tank. An adjusting block is connected to the connection of the conveyor belt, and the length of the adjusting block is equal to the width of the conveyor belt. The adjusting block is provided with a slit for inserting the right end of the horizontal plate, and the right end of the horizontal plate can move within the slit.

[0015] Furthermore, the pool is equipped with vertically arranged partitions that divide the pool into a test pool on the left and an equipment pool on the right. The simulated riverbed is located in the test pool, and the adjustment mechanism is located in the equipment pool.

[0016] Furthermore, the upper surface of the inclined plate is provided with several parallel slots, the turbulence plate is inserted into the slots, and the side wall of the slot is screwed with fastening screws for fixing the turbulence plate.

[0017] Furthermore, the water level regulating mechanism includes a baffle plate, a scissor-type telescopic frame, a screw rod, and a screw nut; several baffle plates are provided and vertically arranged, and the baffle plates are stacked in sequence in a stepped shape, and the baffle plates are connected as one unit by the vertically telescopic scissor-type telescopic frame; the two sides of the baffle plate are slidably arranged on the inner side wall of the water tank, the screw rod is vertically rotatably arranged on one side of the baffle plate, and a screw nut is fixed on the uppermost baffle plate, the screw nut is sleeved on the screw rod and screwed to the screw rod.

[0018] Furthermore, several diversion plates are arranged vertically side by side above the simulated riverbed.

[0019] Furthermore, the lower end of the diversion plate rests on the simulated riverbed, and the diversion plate is vertically slidably mounted on the side wall of the pool.

[0020] Furthermore, the water inlet pipe includes a main pipe and branch pipes connected to the main pipe. The number of branch pipes is equal to the number of spaces separated by the diversion plate, and each branch pipe extends into the corresponding space.

[0021] Furthermore, temperature sensors, sand content sensors, and water flow sensors are also installed on the simulated riverbed, and these sensors are connected to the control console.

[0022] The present invention also provides a method for simulating aquatic environments using the aforementioned apparatus, the method comprising the following steps:

[0023] 1) Set up a turbulent environment: Based on the actual terrain slope ratio, adjust the height and tilt angle of the simulated riverbed through the adjustment mechanism. Turbulence plates on the simulated riverbed are used to simulate the turbulent state of the water. Adjust the water level height to be simulated through the water level adjustment mechanism.

[0024] 2) Simulated River Water: Water is poured into a pool and passed through a cold water heat exchanger or a hot water heat exchanger to simulate water temperature. The water, after being conditioned, enters a sand filter for filtration. Then, it is pumped into a Venturi mixer. The water flows at high speed through the Venturi mixer, creating negative pressure. This negative pressure draws sand from the sand box into the Venturi mixer for mixing. The mixture is then sprayed into the pool through the inlet pipe to simulate actual river conditions. The water entering the pool falls onto the simulated riverbed and is turbulent as it passes through a turbulence plate. The water overflowing the baffle plate flows out and passes through the cold water heat exchanger or a hot water heat exchanger again before returning to the sand filter. This process is repeated to achieve water circulation.

[0025] 3) Change the simulation environment: During the simulation, the height and tilt angle of the simulated riverbed are changed by adjusting the mechanism to simulate changes in terrain; the water level is changed by adjusting the water level mechanism to simulate changes in the river water level.

[0026] Compared with existing technologies, the typical aquatic environment simulation testing device described in this invention has the following advantages:

[0027] The typical aquatic environment simulation testing device described in this invention is used to simulate river erosion. It allows for setting water flow velocity, test water temperature, riverbed angle, etc., to simulate the aquatic environment conditions for disaster relief and rescue, and to test and verify the performance of fire-fighting water rescue equipment. The simulated riverbed in the pool has adjustable height and tilt angle to simulate different riverbed conditions as needed. A turbulence plate is installed on the simulated riverbed to simulate turbulence. A hot water heat exchanger and a cold water heat exchanger are used in combination to simulate water temperatures in different seasons and regions. The inlet pipe is equipped with a Venturi mixer to mix fine sand with water before introducing it into the simulated riverbed, thus simulating actual river conditions. This typical aquatic environment simulation testing device can simulate typical aquatic environments, making simulation testing simple and reliable. Attached Figure Description

[0028] The accompanying drawings, which form part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0029] Figure 1 This is a schematic diagram of a typical aquatic environment simulation testing device;

[0030] Figure 2 This is a diagram of the internal structure of a typical aquatic environment simulation test device.

[0031] Figure 3 A top view of a typical aquatic environment simulation test device;

[0032] Figure 4 This is a sectional view of the water tank;

[0033] Figure 5 A schematic diagram simulating the riverbed and lifting mechanism;

[0034] Figure 6 This is a magnified view of a portion of point A.

[0035] Figure 7 This is a schematic diagram of the water level regulating mechanism;

[0036] Figure 8 This is a flowchart illustrating the operation of a typical aquatic environment simulation testing device.

[0037] Explanation of reference numerals in the attached figures:

[0038] 1-Water tank; 11-Baffle; 12-Experimental tank; 121-Simulated riverbed; 1211-Inclined plate; 1212-Horizontal plate; 1213-Turbulence plate; 1214-Adjustment mechanism; 12141-Driven roller; 12142-Driven roller; 12143-Conveyor belt; 12144-Motor; 12145-Adjusting block; 1215-Slot; 1216-Fasting screw; 122-Water level adjustment mechanism; 1221-Water baffle; 1222-Scissor-type telescopic frame; 1223-Lead screw; 1224-Lead nut; 123-Diverter plate; 13-Equipment tank; 2-Cold water heat exchanger; 3-Hot water heat exchanger; 4-Sand filter; 5-Water pump; 6-Sand box; 7-Venturi mixer; 8-Inlet pipe; 81-Main pipe; 82-Branch pipe; 9-Control console. Detailed Implementation

[0039] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other.

[0040] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0041] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art will understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0042] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0043] A typical aquatic environment simulation testing device includes:

[0044] The pool 1 has a simulated riverbed 121 and a water level regulating mechanism 122 arranged from right to left inside. The pool 1 also has an adjustment mechanism 1214 for adjusting the height and tilt angle of the simulated riverbed 121. Multiple turbulence plates 1213 are arranged on the simulated riverbed 121 to simulate turbulence. The right side of the pool 1 has an inlet pipe 8, which is located above the simulated riverbed 121. The left side of the pool 1 has an outlet pipe.

[0045] Specifically, the simulated riverbed 121 includes an inclined plate 1211 and a horizontal plate 1212. The left end of the inclined plate 1211 is hinged to the bottom of the pool, and the right end of the inclined plate 1211 is inclined upward and hinged to the left end of the horizontal plate 1212. The right end of the horizontal plate 1212 is mounted on the adjustment mechanism 1214. There are several turbulence plates 1213, which are detachably mounted on the upper surface of the inclined plate 1211. The detachable mounting method facilitates the adjustment of the spacing and number of turbulence plates. The turbulence plates can be set at equal or non-equal intervals as needed.

[0046] The adjustment mechanism 1214 includes a drive roller 12141, a driven roller 12142, a conveyor belt 12143, a motor 12144, and an adjusting block 12145. The drive roller 12141 and the driven roller 12142 are arranged vertically inside the water tank 1. The drive roller 12141 is driven by the motor 12144. The conveyor belt 12143 is wound around the drive roller 12141 and the driven roller 12142. The width of the conveyor belt 12143 is equal to the width of the water tank 1. An adjusting block 12145 is connected to the connection of the conveyor belt 12143. The length of the adjusting block 12145 is equal to the width of the conveyor belt 12143. The adjusting block 12145 is provided with a slit for inserting the right end of the horizontal plate 1212, and the right end of the horizontal plate 1212 can move within the slit.

[0047] When the conveyor belt 12143 moves under the action of the motor, the horizontal plate is inserted into the adjusting block, which can drive the horizontal plate 1212 to rise or fall. When the horizontal plate rises, due to the increase in the height of the horizontal plate and the inclined plate, the horizontal plate is pulled to the left a certain distance out of the adjusting block; when the horizontal plate falls, the horizontal plate and the inclined plate are lowered, and the horizontal plate is further inserted to the right into the adjusting block a certain distance. This structure realizes the rising and falling of the horizontal plate.

[0048] like Figure 4 As shown, a vertically arranged partition 11 is provided in the water tank 1, dividing the water tank 1 into a test tank 12 on the left and an equipment tank 13 on the right. The simulated riverbed 121 is located in the test tank 12, and the adjustment mechanism 1214 is located in the equipment tank 13. Specifically, the partition consists of two parts, upper and lower, with a gap between them to facilitate the insertion of a horizontal plate into the adjustment block and its vertical movement.

[0049] Specifically, in order to facilitate the disassembly of the inclined plate, the upper surface of the inclined plate 1211 is provided with several parallel slots 1215. The length extension direction of the slots is parallel to the width direction of the inclined plate. The turbulence plate 1213 is inserted into the slot 1215, and the side wall of the slot 1215 is screwed with fastening screws 1216 for fixing the turbulence plate 1213.

[0050] Specifically, the water level regulating mechanism 122 includes a baffle plate 1221, a scissor-type telescopic frame 1222, a screw 1223, and a nut 1224. Several baffle plates 1221 are vertically arranged and stacked in a stepped configuration. These baffle plates 1221 are connected by the vertically telescopic scissor-type telescopic frame 1222. The baffle plates 1221 are slidably mounted on the inner wall of the water tank 1 on both sides. The screw 1223 is vertically rotatably mounted on one side of the baffle plate 1221. A nut 1224 is fixed to the uppermost baffle plate 1221, and the nut 1224 is sleeved on the screw 1223 and screwed to it. When the screw 1223 is rotated, the nut moves up and down along the screw, thereby pulling the baffle plate up and down, thus adjusting the height of the baffle plate, i.e., regulating the water level.

[0051] Above the simulated riverbed 121, there are several vertically arranged diversion plates 123 arranged side by side. The diversion plates divide the water entering the pool into several parallel streams, so that the flow velocity in the width direction of the entire simulated riverbed remains uniform. Specifically, the lower end of the diversion plate 123 rests on the simulated riverbed 121, and the diversion plate 123 is vertically slidably set on the side wall of the pool 1. When the simulated riverbed moves up and down, the diversion plate also moves up and down accordingly, and the diversion plate always stays on the surface of the simulated riverbed to ensure the diversion effect.

[0052] Meanwhile, the water inlet pipe 8 includes a main pipe 81 and branch pipes 82 connected to the main pipe 81. The number of branch pipes 82 is equal to the number of spaces divided by the diversion plate 123, and each branch pipe 82 extends into the corresponding space to ensure a consistent flow rate.

[0053] Cold water heat exchanger 2 is connected to the outlet pipe and is used to provide cold water;

[0054] Hot water heat exchanger 3 is connected to the outlet pipe and is used to provide hot water. Hot water heat exchanger 3 and cold water heat exchanger 2 can be used together to simulate water temperature in different seasons and regions.

[0055] Sand filter 4 is connected to cold water heat exchanger 2 and hot water heat exchanger 3 respectively via connecting pipes;

[0056] Water pump 5 has its inlet connected to sand filter 4 and its outlet connected to the inlet of venturi mixer 7. The outlet of venturi mixer 7 is connected to water inlet pipe 8.

[0057] The sand box 6 is connected to the vertical inlet of the Venturi mixer 7 so that the sand in the sand box 6 is drawn into the Venturi mixer 7 and mixed with water under negative pressure; the sand box is also connected to the sand filter through a connecting pipe, and the connecting pipe is equipped with a pump for pumping sand into the sand box.

[0058] Control console 9 is used to control the start and stop of the chilled water heat exchanger 2, the hot water heat exchanger 3, the sand filter 4, and the water pump 5;

[0059] The simulated riverbed 121 is also equipped with a temperature sensor, a sand content sensor, and a water flow sensor, which are connected to the control console 9.

[0060] The console uses a PLC controller with a touchscreen display, and test parameters can be modified via the touchscreen.

[0061] Specifically, in this embodiment, the riverbed angle is 0-15 degrees, the water flow velocity is 0.5 m / s, the water temperature is 10℃-35℃, and the sand content is 0-35 kg / m³. 3 Sample placement angle: 45-90°, riverbed width: 1m.

[0062] Figure 8 This is a flowchart of the usage of a typical aquatic environment simulation test device. Before use, the turbulent environment is set up: according to the actual terrain slope ratio, the height and tilt angle of the simulated riverbed 121 are adjusted by adjusting mechanism 1214. The turbulence plate 1213 on the simulated riverbed 121 can simulate the turbulent state of water. The water level height to be simulated is adjusted by the water level adjustment mechanism.

[0063] In operation, water initially passes through a cold or hot water heat exchanger into the sand filter. It is then pumped into a Venturi mixer, where high-speed flow creates negative pressure. This negative pressure draws sand into the mixer, mixes it, and sprays it into a pool through an inlet pipe. The water then falls onto a simulated riverbed, creating turbulence through a flow plate. The water level can be adjusted by changing the baffle height. Water overflowing the baffle passes through the cold or hot water heat exchanger again before returning to the sand filter. The sand in the filter is then pumped back into a sand box, achieving sand recycling. This process is repeated to ensure water circulation.

[0064] During this period, temperature sensors, sand content sensors, and water flow sensors can be used to monitor water temperature, sand content, and water flow rate, which facilitates adjustment.

[0065] During the simulation, the simulated aquatic environment can also be changed. The height and tilt angle of the simulated riverbed 121 can be changed by adjusting mechanism 1214 to simulate changes in terrain; the water level can be changed by adjusting mechanism to simulate changes in river water level.

[0066] The typical aquatic environment simulation testing device described in this invention is used to simulate river erosion. It allows for setting water flow velocity, test water temperature, riverbed angle, etc., to simulate the aquatic environment conditions for disaster relief and rescue, and to test and verify the performance of fire-fighting water rescue equipment. The simulated riverbed in the pool has adjustable height and tilt angle to simulate different riverbed conditions as needed. A turbulence plate is installed on the simulated riverbed to simulate turbulence. A hot water heat exchanger and a cold water heat exchanger are used together to simulate water temperatures in different seasons and regions. The inlet pipe is equipped with a Venturi mixer to mix fine sand with water before introducing it into the simulated riverbed, simulating actual river conditions. This typical aquatic environment simulation testing device can simulate typical aquatic environments, making simulation testing simple and reliable.

[0067] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A typical aquatic environment simulation testing device, characterized in that: include: The pool (1) has a simulated riverbed (121) and a water level regulating mechanism (122) arranged from right to left inside. The pool (1) also has an adjustment mechanism (1214) for adjusting the height and tilt angle of the simulated riverbed (121). A turbulence plate (1213) is provided on the simulated riverbed (121). An inlet pipe (8) is provided on the right side of the pool (1) and is located above the simulated riverbed (121). An outlet pipe is provided on the left side of the pool (1). A cold water heat exchanger (2) is connected to the outlet pipe and is used to provide cold water; Hot water heat exchanger (3) is connected to the outlet pipe and is used to provide hot water. Hot water heat exchanger (3) and cold water heat exchanger (2) can be used together to simulate water temperature in different seasons and regions. The sand filter (4) is connected to the cold water heat exchanger (2) and the hot water heat exchanger (3) respectively through connecting pipes; The water pump (5) is connected to the sand filter (4) at its inlet and to the inlet of the Venturi mixer (7) at its outlet. The outlet of the Venturi mixer (7) is connected to the water inlet pipe (8). The sand box (6) is connected to the vertical inlet of the Venturi mixer (7) so that the sand in the sand box (6) is drawn into the Venturi mixer (7) and mixed with water under negative pressure. The sand box is also connected to the sand filter through a connecting pipe. The control console (9) is used to control the start and stop of the cold water heat exchanger (2), the hot water heat exchanger (3), the sand filter (4), and the water pump (5); The simulated riverbed (121) includes an inclined plate (1211) and a horizontal plate (1212). The left end of the inclined plate (1211) is hinged to the bottom of the pool, and the right end of the inclined plate (1211) is inclined upward and hinged to the left end of the horizontal plate (1212). The right end of the horizontal plate (1212) is mounted on the adjustment mechanism (1214). There are several turbulence plates (1213), which are detachably mounted on the upper surface of the inclined plate (1211). The adjusting mechanism (1214) includes a drive roller (12141), a driven roller (12142), a conveyor belt (12143), a motor (12144), and an adjusting block (12145). The drive roller (12141) and the driven roller (12142) are arranged vertically within the water tank (1). The drive roller (12141) is driven by the motor (12144). The conveyor belt (12143) is wound around the drive roller (12141) and the driven roller (12142). On the driven roller (12142), the width of the conveyor belt (12143) is equal to the width of the pool (1); an adjusting block (12145) is connected at the connection of the conveyor belt (12143), and the length of the adjusting block (12145) is equal to the width of the conveyor belt (12143); the adjusting block (12145) is provided with a slit for inserting the right end of the horizontal plate (1212), and the right end of the horizontal plate (1212) can move within the slit; The water level regulating mechanism (122) includes a baffle plate (1221), a scissor-type telescopic frame (1222), a screw (1223), and a screw nut (1224). Several baffle plates (1221) are provided and vertically arranged. Several baffle plates (1221) are stacked in sequence in a stepped shape. Several baffle plates (1221) are connected as one unit by the scissor-type telescopic frame (1222) which is set to extend and retract vertically. The two sides of the baffle plate (1221) are slidably arranged on the inner side wall of the water tank (1). The screw (1223) is vertically rotatably arranged on one side of the baffle plate (1221). A screw nut (1224) is fixed on the uppermost baffle plate (1221). The screw nut (1224) is sleeved on the screw (1223) and screwed to the screw (1223). The pool (1) is equipped with a vertically arranged partition (11), which divides the pool (1) into a test pool (12) on the left and an equipment pool (13) on the right. The simulated riverbed (121) is located in the test pool (12), and the adjustment mechanism (1214) is located in the equipment pool (13). The partition (11) consists of two parts, upper and lower, with a gap between them. The gap allows the horizontal plate (1212) to be inserted into the adjustment block (12145) and move up and down.

2. The typical aquatic environment simulation testing device according to claim 1, characterized in that: The upper surface of the inclined plate (1211) is provided with several parallel slots (1215), the turbulence plate (1213) is inserted into the slot (1215), and the side wall of the slot (1215) is screwed with fastening screws (1216) for fixing the turbulence plate (1213).

3. The typical aquatic environment simulation testing device according to claim 1, characterized in that: Above the simulated riverbed (121) are several diversion plates (123) arranged vertically side by side.

4. The typical aquatic environment simulation testing device according to claim 3, characterized in that: The lower end of the diversion plate (123) rests on the simulated riverbed (121), and the diversion plate (123) is vertically slidably set on the side wall of the partition plate (11).

5. The typical aquatic environment simulation testing device according to claim 3, characterized in that: The inlet pipe (8) includes a main pipe (81) and branch pipes (82) connected to the main pipe (81). The number of branch pipes (82) is equal to the number of spaces divided by the diversion plate (123), and each branch pipe (82) extends into the corresponding space.

6. A method for simulating an aquatic environment using the apparatus according to any one of claims 1-5, characterized in that: The method includes the following steps: 1) Set up a turbulent environment: Based on the actual terrain slope ratio, adjust the height and tilt angle of the simulated riverbed (121) by adjusting the mechanism (1214). The turbulence plate (1213) on the simulated riverbed (121) is used to simulate the turbulent state of the water. Adjust the water level height to be simulated by adjusting the water level adjustment mechanism. 2) Simulate river water: Water is poured into the pool (1), and the water in the pool is first passed through a cold water heat exchanger (2) or a hot water heat exchanger (3) to simulate the water temperature. Then, the water with the adjusted water temperature enters the sand filter (4) to filter the water. Then, the water is pumped into the Venturi mixer (7) by the water pump (5). The water flows through the Venturi mixer at high speed to generate negative pressure. The negative pressure draws the sand in the sand box (6) into the Venturi mixer for mixing, and sprays it into the pool through the water inlet pipe to simulate the actual river conditions. The water entering the pool falls onto the simulated riverbed and creates turbulence through the turbulence plate. The water overflowing the baffle flows out and passes through the cold water heat exchanger or the hot water heat exchanger again, and then comes to the sand filter. This process is repeated to achieve the circulation of water. 3) Change the simulation environment: During the simulation, the height and tilt angle of the simulated riverbed (121) are changed by adjusting the mechanism (1214) to simulate the change of terrain; the water level is changed by adjusting the water level mechanism to simulate the change of river water level.

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