CN117168763A - Model test device of deep sea mining fluid mechanics - Google Patents
Model test device of deep sea mining fluid mechanics Download PDFInfo
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- CN117168763A CN117168763A CN202311452510.8A CN202311452510A CN117168763A CN 117168763 A CN117168763 A CN 117168763A CN 202311452510 A CN202311452510 A CN 202311452510A CN 117168763 A CN117168763 A CN 117168763A
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- 238000012360 testing method Methods 0.000 title claims abstract description 161
- 239000012530 fluid Substances 0.000 title claims abstract description 52
- 238000005065 mining Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 185
- 239000002245 particle Substances 0.000 claims abstract description 22
- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 30
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000011160 research Methods 0.000 abstract description 6
- 239000013535 sea water Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The application provides a model test device of deep sea mining hydrodynamics, which comprises a test platform, a circulating water tank system, a water supply pipeline system and a measuring device, wherein the test platform is connected with the circulating water tank system; the test platform is used for various types of hydrodynamic test operation and result observation; the circulating water tank system is used for generating and recovering test fluid and comprises the operations of injecting fluid, injecting particles, mixing the fluid with the particles, recovering discharged fluid in a test platform and regulating the concentration of the fluid in the recovered water tank; the water supply pipeline system is used for connecting the circulating water tank system with the test platform so as to ensure the power and circulation of fluid in the whole model test device; the measuring device comprises a flowmeter and a turbidimeter and is used for measuring the flow and the concentration of the fluid conveyed to the test platform by the water supply pipeline system; the model test device is a general operation platform, and can meet the requirements of various deep sea mining fluid mechanics research tasks only by replacing or simply modifying the test operation module in the test platform.
Description
Technical Field
The application belongs to the technical field of deep sea mining, and particularly relates to a model test device for deep sea mining fluid mechanics.
Background
There are a number of hydrodynamic problems in deep sea mining, such as hydraulic transport of ore particles in pipes (vertical and inclined pipes), involving movement of two-phase flow in the pipes; the injection and dewatering of ore particles in the capsule involves hydrodynamic problems of the fluid; the discharge of a suspension of silt particles in sea water involves problems of plume spreading and the like.
The research method of deep sea mining fluid mechanics problem mainly has three kinds of model test, numerical simulation and field test, and the model test has advantages of lower cost, easy realization and strong repeatability compared with the field test, and has advantages of visual observation, reliable result and the like compared with the numerical simulation. Therefore, the design of the reliable deep sea mining fluid mechanics model test platform has strong practical significance.
For the deep sea mining fluid mechanics model test device and the model test design thereof, the device needs to be developed aiming at specific problems. Researchers have focused on ore particle vertical pipeline hydraulic transport, drag-discharge particle suspensions, deep sea mining system hydrodynamic forces, etc., and less research into other fluid movements has been involved, such as: inclined or moving pipeline particle conveying, spraying of particle seawater mixed liquid into a mine cabin, simulation of uniform cross flow environment and the like. On the other hand, the existing test devices are designed for a specific problem, for example: it is difficult for a flow test device studying a vertical pipe to study a flow in an inclined pipe, a test device studying a flow problem in a pipe cannot study a fluid discharge problem, and a test device studying a fluid-solid coupling problem cannot study a fluid hydrodynamic problem. However, the problems involved in deep sea mining are very complex and sometimes even continuous processes combining different problems are investigated, and therefore it is necessary to design a universal simulation test apparatus for hydrodynamic research.
Disclosure of Invention
The application provides a deep sea mining fluid mechanics model test device, which provides a general operation platform for fluid mechanics model test, and can meet the requirements of various deep sea mining fluid mechanics research tasks only by replacing or simply modifying a test platform module.
In order to solve the problems, the technical scheme provided by the application is as follows:
the embodiment of the application provides a model test device for deep sea mining hydrodynamics, which comprises a test platform (101), a circulating water tank system (102), a water supply pipeline system and a measuring device; wherein the test platform (101) is used for various types of hydrodynamic test operation and result observation; the circulating water tank system (102) is used for generating and recovering test fluid and comprises injection fluid, injection of particles, mixing of the fluid and the particles, recovery of discharged fluid in a test platform and allocation operation of fluid concentration in a water tank after recovery; the water supply pipeline system is used for connecting the circulating water tank system (102) with the test platform (101) so as to ensure the power and circulation of fluid in the whole model test device; the measuring device comprises a flowmeter (311) and a turbidity meter (312) for measuring the flow rate and concentration of the fluid delivered to the test platform (101) by the water supply pipeline system.
According to an alternative embodiment of the application, the test platform (101) is of a transparent box structure, and a test water tank (201) is arranged in the test platform (101); a first watertight strip (202) is arranged on the left side of the test platform (101), and a water inlet (203) is arranged on the first watertight strip (202); a second watertight strip (209) is arranged on the right side of the test platform (101), and a water outlet (204) is arranged on the second watertight strip (209); the rear side of the test platform (101) is provided with an arrangement plate (206), the lower side of the test platform (101) is provided with a grid recovery unit (208), the upper side of the test platform (101) is provided with an arrangement frame (205), and the arrangement plate (206) and the arrangement frame (205) are provided with a detachable clamping mechanism (207).
According to an alternative embodiment of the application, the test water tank (201) is made of transparent acrylic or glass, the test water tank (201) is a cuboid cylinder, the cylinder walls along the two ends of the long side of the test water tank are double-layer, the inner layer cylinder wall in the double-layer cylinder wall is in a fixed state, the outer layer cylinder wall is in a movable state, and the outer layer cylinder wall can be connected to the inner layer cylinder wall through screws; the middle lines of the cylinder walls at the two ends are respectively provided with a sliding groove, so that the water inlet (203) and the water outlet (204) can move up and down along the grooves.
According to an alternative embodiment of the application, the first watertight strip (202) and the second watertight strip (209) are made of elastic materials and are wider than the sliding groove in the test water tank (201), and after the double-layer cylinder wall in the test water tank (201) is fastened by screws, the first watertight strip (202) and the second watertight strip (209) are pressed against the cylinder wall so as to fix the positions of the water inlet (203) and the water outlet (204), and meanwhile, the water tightness of the edge of the sliding groove is ensured; the first watertight strip (202) is connected with the water inlet (203) and the second watertight strip (209) is connected with the water outlet (204) through flanges so as to ensure the watertightness of the edge of the pipe orifice.
According to an alternative embodiment of the present application, the material of the arrangement frame (205) and the arrangement plate (206) is acrylic or metal material; the arrangement frame comprises a first rod-shaped structure (2051), a second rod-shaped structure (2052) and a third rod-shaped structure (2053), wherein the first rod-shaped structure (2051) and the second rod-shaped structure (2052) are arranged on the rectangular wide edge of the upper surface of the test water tank (201), and two ends of the third rod-shaped structure (2053) are respectively fixed on the first rod-shaped structure (2051) and the second rod-shaped structure (2052); the three support rods are uniformly distributed with a plurality of round holes so as to facilitate the installation of the clamping mechanism (207), and the adjustment and the fixation of the position of the arrangement frame (205) positioned on the upper surface of the test water tank (201) can be realized.
According to an alternative embodiment of the application, the circulating water tank system (102) comprises a circulating water tank (301), a grid collecting unit (302), a stirrer (303) and two feeding funnels (304), wherein the grid collecting unit (302) is positioned at the bottom of the circulating water tank (301), the stirrer (303) is positioned in the circulating water tank (301), branch pipes of the two feeding funnels (304) are inserted into the circulating water tank (301), and the two feeding funnels (304) are used for adding raw materials into the circulating water tank (301) at the beginning of a test; a grid collection unit (302) for collecting particles in the circulation tank (301) after the test is completed; the stirrer (303) is used for stirring the liquid in the circulating water tank uniformly.
According to an alternative embodiment of the present application, the water supply pipe system includes a first water supply pump (305), a second water supply pump (306), a first hard pipe section (307), a second hard pipe section (308), a first soft pipe section (309), and a second soft pipe section (310); the left end of the first hard pipe section (307) is connected with a water outlet of the circulating water tank (301), the right end of the first hard pipe section (307) is connected with one end of the first soft pipe section (309), the other end of the first soft pipe section (309) is connected with a water inlet (203) of the test platform, and the upper end of the first hard pipe section (307) is connected with a second water inlet of the circulating water tank (301); one end of the second hard pipe section (308) is connected with the first water inlet of the circulating water tank (301), the other end of the second hard pipe section (308) is connected with one end of the second soft pipe section (310), and the other end of the second soft pipe section (310) is connected with the water outlet (204) of the test platform.
According to an alternative embodiment of the application, a flow meter (311) and a turbidity meter (312) are arranged on the first hard pipe section (307), the first hard pipe section (307) is used for measuring the flow rate of the discharged liquid in the circulating water tank, and the turbidity meter (312) is used for measuring the concentration of the discharged liquid in the circulating water tank; according to the real-time data obtained by the flowmeter (311) and the turbidity meter (312), the mixed liquid pumped out of the circulating water tank (301) is controlled and regulated.
The beneficial effects are that: (1) The model test device is a general operation platform, and can meet the requirements of various deep sea mining fluid mechanics research tasks only by replacing or simply modifying the test operation module in the test platform. (2) The test platform is flexible to adjust, the water inlet and the water outlet are convenient to adjust up and down, and the test platform is suitable for pipeline installation with different inclination angles; auxiliary devices are added on the arrangement frame and the arrangement plate conveniently, and the auxiliary devices can be installed at different positions of instruments in various tests. (3) The model test device is designed to form a liquid supply loop, so that the test material can be quickly and conveniently recycled, and the material consumption and loss are reduced. (4) The model test device provides a convenient test liquid concentration control method, which is convenient for quickly adjusting the concentration of liquid in the circulating water tank when the reflux liquid is collected, and simultaneously can monitor the parameters of the fluid conveyed into a test area in real time, so that the problems in the test process can be found and corrected in time.
Drawings
In order to more clearly illustrate the embodiments or the technical solutions in the prior art, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, it is obvious that the drawings in the following description are only some embodiments of the application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a model test device for deep sea mining fluid mechanics according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a test platform according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to fall within the scope of the application.
As shown in fig. 1, an embodiment of the present application provides a schematic structural diagram of a model test device for deep sea mining fluid mechanics. The model test device comprises a test platform 101, a circulating water tank system 102, a water supply pipeline system and a measuring device; the test platform 101 is used for various types of hydrodynamic test operation and result observation; the circulating water tank system 102 is used for generating and recovering test fluid, and comprises injection fluid, mixing fluid and particles, recovering discharged fluid in a test platform and allocating concentration of fluid in a water tank after recovery; the water supply pipeline system is used for connecting the circulating water tank system 102 with the test platform 101 so as to ensure the power and circulation of fluid in the whole model test device; the measuring device comprises a flowmeter 311 and a turbidity meter 312 for measuring the flow rate and concentration of the fluid in the water supply line system 103 and the test platform 101.
Referring to fig. 2 in combination with fig. 1, a test platform 101 is a transparent box structure, and a test water tank 201 is arranged in the test platform 101; the left side of the test platform 101 is provided with a first watertight strip 202, and the first watertight strip 202 is provided with a water inlet 203; the right side of the test platform 101 is provided with a second watertight strip 209, and the second watertight strip 209 is provided with a water outlet 204; the rear side of the test platform 101 is provided with an arrangement plate 206, the lower side of the test platform 101 is provided with a grid recovery unit 208, the upper side of the test platform 101 is provided with an arrangement frame 205, and the arrangement plate 206 and the arrangement frame 205 are provided with a detachable clamping mechanism 207.
The test water tank 201 is made of transparent acrylic or glass. The first watertight strip 202 and the second watertight strip 209 are made of elastic rubber products, such as rubber bands. The material of the arrangement frame 205 and the arrangement plate 206 is acrylic or metal.
The test water tank 201 is a cuboid cylinder, the cylinder walls along the two ends of the long side of the test water tank are double-layered, the inner layer cylinder wall in the double-layered cylinder wall is in a fixed state, the outer layer cylinder wall is in a movable state, and the outer layer cylinder wall can be connected to the inner layer cylinder wall through screws; the middle lines of the cylinder walls at the two ends are respectively provided with a sliding groove, so that the water inlet 203 and the water outlet 204 can move up and down along the grooves.
The first watertight strip 202 and the second watertight strip 209 are made of elastic materials and are wider than the sliding groove, after the double-layer cylinder wall is fastened by screws, the first watertight strip 202 and the second watertight strip 209 are pressed against the cylinder wall so as to fix the positions of the water inlet 203 and the water outlet 204, and meanwhile, the watertightness of the edge of the sliding groove is ensured; the first watertight strip 202 is connected with the water inlet 203 and the second watertight strip 209 is connected with the water outlet 204 through flanges so as to ensure the water tightness of the edge of the pipe orifice and also drive the water inlet 203 and the water outlet 204 to move up and down. In this embodiment, the water inlet 203 and the water outlet 204 are hard pipelines, the hard pipelines are respectively connected with the first watertight strip 202 and the second watertight strip 209 through corresponding flanges, two ends of a water inlet pipe of the water inlet 203 are connected with the inside of the test water tank 201, one end of the water inlet pipe is connected with the first hose section 309 of the water supply pipeline system, two ends of a water outlet pipe of the water outlet 204 are connected with the inside of the test water tank 201, and one end of the water outlet pipe is connected with the second hose section 310 of the water supply pipeline system.
The material of the arrangement frame 205 and the arrangement plate 206 is acrylic or metal material; the arrangement frame 205 is in 3 rod-shaped structures, wherein a first rod-shaped structure 2051 and a second rod-shaped structure 2052 are arranged on the rectangular wide edge of the upper surface of the test water tank 201, and two ends of a third rod-shaped structure 2053 are respectively fixed on the first rod-shaped structure 2051 and the second rod-shaped structure 2052; the three-pole structure is provided with a plurality of round holes so as to facilitate the installation of the clamping mechanism 207, and the adjustment and the fixation of the position of the arrangement frame 205 positioned on the upper surface of the test water tank 201 can be realized.
The arrangement plate 206 is arranged on the inner surface of the rear side of the test platform 101, and a plurality of round holes are uniformly distributed on the arrangement plate to facilitate the installation of the clamping mechanism 207. The arrangement plate 206 vertical to the bottom surface and the arrangement frame 207 parallel to the bottom surface are matched with each other to meet the installation requirements of devices and instruments at any position in the water tank; the clamping mechanism 205 is mounted on the arrangement frame 207 and the third bar-shaped device, and clamps the test device or the measuring instrument which needs to be used. The grid recovery unit 208 is installed on the inner bottom surface of the lower side of the test bed 101, and includes a filter screen (mesh number is determined by particle size) for separating particles in the test water tank after the test is completed.
The circulation tank system 102 includes a circulation tank 301, a grating collecting unit 302, a stirrer 303, and two feeding funnels 304, the grating collecting unit 302 is located at the bottom of the circulation tank 301, the stirrer 303 is located in the circulation tank 301, branch pipes of the two feeding funnels 304 are inserted into the circulation tank 301, and the two feeding funnels 304 (connectable water tap) are used for adding raw materials, such as including particles, simulated seawater, etc., into the circulation tank 301; the grid collection unit 302 is used for collecting particles in the circulating water tank 301 after the test is finished; the stirrer 303 is used to stir the liquid in the circulation tank uniformly.
The water supply pipe system includes a first water supply pump 305, a second water supply pump 306, a first hard pipe section 307, a second hard pipe section 308, a first soft pipe section 309, and a second soft pipe section 310; the left end of the first hard pipe section 307 is connected with the water outlet of the circulating water tank 301, the right end of the first hard pipe section 307 is connected with one end of the first soft pipe section 309, the other end of the first soft pipe section 309 is connected with the water inlet 203 of the test platform, and the upper end of the first hard pipe section 307 is connected with the second water inlet of the circulating water tank 301; one end of the second hard pipe section 308 is connected with the first water inlet of the circulating water tank 301, the other end of the second hard pipe section 308 is connected with one end of the second soft pipe section 310, and the other end of the second soft pipe section 310 is connected with the water outlet 204 of the test platform.
The three pipelines connected with the first water inlet, the second water inlet and the water outlet on the circulating water tank 301 in this embodiment are respectively an outlet pipeline of the test platform, a return pipeline of the fluid with the concentration of particles not reaching the standard, and an outlet pipeline of the circulating water tank, the first pipeline receives the fluid returned by the test platform, the second pipeline receives the fluid with the concentration of particles not meeting the requirement and returns to the circulating water tank, and the third pipeline provides the treated fluid to the test platform. The first water supply pump 305 and the second water supply pump 306 are distributed to pump the liquid out of the circulation tank 301.
The flowmeter 311 and the turbidimeter 312 are arranged on the first hard pipe section 307, the first hard pipe section 307 is used for measuring the flow rate of the discharged liquid in the circulating water tank, and the turbidimeter 312 is used for measuring the concentration of the pumped liquid in the circulating water tank; the mixed liquid pumped out of the circulation tank 301 is controlled and regulated according to real-time data obtained by the flowmeter 311 and the turbidity meter 312.
The model test device is a general operation platform for fluid mechanics model test, and can design test operation modules according to various different requirements, including but not limited to: the module 1 and the test water tank are not added with liquid, the height of the water inlet is adjusted, the height of the water outlet is closed or adjusted up, and the test liquid is injected through the water inlet. The process of horizontally discharging test liquid from different heights can be simulated. And the module 2 and the test water tank are not added with liquid, the heights of the water inlet and the water outlet are adjusted, a hard pipeline is additionally arranged between the water inlet and the water outlet, the clamping mechanism is used for fixing the hard pipeline, and the test liquid is injected into the hard pipeline through the water inlet. The flow of liquid in inclined pipes at different angles can be simulated. And the module 3 and the test water tank are not added with liquid, the heights of the water inlet and the water outlet are adjusted, hoses with different shapes are additionally arranged between the water inlet and the water outlet, the hoses are fixed by a clamping mechanism, and the test liquid is injected into the hoses through the water inlet. The flow of liquid in the hose can be simulated. And a module 4, adding clear water or simulated seawater into the test water tank, adjusting the heights of the water inlet pipe and the water outlet pipe, and injecting test liquid into the test water tank through the water inlet. The diffusion process of the test liquid in clear water or seawater can be simulated. And a proper amount of clear water or seawater is added into the module 5 and the test water tank, a honeycomb plate is additionally arranged at the position close to the water inlet pipe and the water outlet pipe and perpendicular to the water flow direction, and liquid is injected into the test water tank through the water inlet, so that a uniform flow environment in the test water tank can be manufactured.
In summary, although the present application has been described in terms of the preferred embodiments, the above-mentioned embodiments are not intended to limit the application, and those skilled in the art can make various modifications and alterations without departing from the spirit and scope of the application, so that the scope of the application is defined by the appended claims.
Claims (8)
1. The model test device for deep sea mining hydrodynamics is characterized by comprising a test platform (101), a circulating water tank system (102), a water supply pipeline system and a measuring device; wherein the test platform (101) is used for various types of hydrodynamic test operation and result observation; the circulating water tank system (102) is used for generating and recovering test fluid and comprises injection fluid, injection of particles, mixing of the fluid and the particles, recovery of discharged fluid in a test platform and allocation operation of fluid concentration in a water tank after recovery; the water supply pipeline system is used for connecting the circulating water tank system (102) with the test platform (101) so as to ensure the power and circulation of fluid in the whole model test device; the measuring device comprises a flowmeter (311) and a turbidity meter (312) for measuring the flow rate and concentration of the fluid delivered to the test platform (101) by the water supply pipeline system.
2. The deep sea mining hydrodynamic model test device according to claim 1, wherein the test platform (101) is of a transparent box structure, and a test water tank (201) is arranged in the test platform (101); a first watertight strip (202) is arranged on the left side of the test platform (101), and a water inlet (203) is arranged on the first watertight strip (202); a second watertight strip (209) is arranged on the right side of the test platform (101), and a water outlet (204) is arranged on the second watertight strip (209); the rear side of the test platform (101) is provided with an arrangement plate (206), the lower side of the test platform (101) is provided with a grid recovery unit (208), the upper side of the test platform (101) is provided with an arrangement frame (205), and the arrangement plate (206) and the arrangement frame (205) are provided with a detachable clamping mechanism (207).
3. The model test device for deep sea mining hydrodynamics according to claim 2, wherein the test water tank (201) is made of transparent acrylic or glass, the test water tank (201) is a cuboid-shaped cylinder, the cylinder walls along the two ends of the long side of the test water tank are double-layer, the inner layer cylinder wall in the double-layer cylinder wall is in a fixed state, the outer layer cylinder wall is in a movable state, and the outer layer cylinder wall can be connected to the inner layer cylinder wall through screws; the middle lines of the cylinder walls at the two ends are respectively provided with a sliding groove, so that the water inlet (203) and the water outlet (204) can move up and down along the grooves.
4. A model test device for deep sea mining hydrodynamics according to claim 3, characterized in that the first watertight strip (202) and the second watertight strip (209) are made of elastic materials and are wider than the sliding groove in the test water tank (201), and after the double-layer cylinder wall in the test water tank (201) is fastened by screws, the first watertight strip (202) and the second watertight strip (209) are pressed against the cylinder wall so as to fix the positions of the water inlet (203) and the water outlet (204), and meanwhile, the water tightness of the edge of the sliding groove is ensured; the first watertight strip (202) is connected with the water inlet (203) and the second watertight strip (209) is connected with the water outlet (204) through flanges so as to ensure the watertightness of the edge of the pipe orifice.
5. The model test device of deep sea mining hydrodynamics according to claim 4, characterized in that the material of the arrangement frame (205) and the arrangement plate (206) is acrylic or metallic; the arrangement frame comprises a first rod-shaped structure (2051), a second rod-shaped structure (2052) and a third rod-shaped structure (2053), wherein the first rod-shaped structure (2051) and the second rod-shaped structure (2052) are arranged on the rectangular wide edge of the upper surface of the test water tank (201), and two ends of the third rod-shaped structure (2053) are respectively fixed on the first rod-shaped structure (2051) and the second rod-shaped structure (2052); the three support rods are uniformly distributed with a plurality of round holes so as to facilitate the installation of the clamping mechanism (207), and the adjustment and the fixation of the position of the arrangement frame (205) positioned on the upper surface of the test water tank (201) can be realized.
6. The model test device for deep sea mining hydrodynamics according to claim 5, characterized in that the circulation tank system (102) comprises a circulation tank (301), a grid collecting unit (302), a stirrer (303) and two feeding funnels (304), wherein the grid collecting unit (302) is located at the bottom of the circulation tank (301), the stirrer (303) is located in the circulation tank (301), branch pipes of the two feeding funnels (304) are inserted into the circulation tank (301), and the two feeding funnels (304) are used for adding raw materials into the circulation tank (301) at the beginning of the test; a grid collection unit (302) for collecting particles in the circulation tank (301) after the test is completed; the stirrer (303) is used for stirring the liquid in the circulating water tank uniformly.
7. The model test device of deep sea mining fluid mechanics according to claim 6, wherein the water supply piping system comprises a first water supply pump (305), a second water supply pump (306), a first hard pipe section (307), a second hard pipe section (308), a first hose section (309) and a second hose section (310); the left end of the first hard pipe section (307) is connected with a water outlet of the circulating water tank (301), the right end of the first hard pipe section (307) is connected with one end of the first soft pipe section (309), the other end of the first soft pipe section (309) is connected with a water inlet (203) of the test platform, and the upper end of the first hard pipe section (307) is connected with a second water inlet of the circulating water tank (301); one end of the second hard pipe section (308) is connected with the first water inlet of the circulating water tank (301), the other end of the second hard pipe section (308) is connected with one end of the second soft pipe section (310), and the other end of the second soft pipe section (310) is connected with the water outlet (204) of the test platform.
8. A model test device for deep sea mining hydrodynamics according to claim 7, characterized in that a flow meter (311) and a turbidity meter (312) are arranged on the first hard pipe section (307), the first hard pipe section (307) being used for measuring the flow rate of the discharged liquid in the circulation tank, the turbidity meter (312) being used for measuring the concentration of the discharged liquid in the circulation tank; according to the real-time data obtained by the flowmeter (311) and the turbidity meter (312), the mixed liquid pumped out of the circulating water tank (301) is controlled and regulated.
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| CN218233687U (en) * | 2022-08-31 | 2023-01-06 | 江苏合工城市智能科技有限公司 | Pump drainage device capable of adjusting liquid level of drainage port |
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