CN115132050A - Observation experiment teaching device for simulating marine environment - Google Patents

Observation experiment teaching device for simulating marine environment Download PDF

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Publication number
CN115132050A
CN115132050A CN202210780899.8A CN202210780899A CN115132050A CN 115132050 A CN115132050 A CN 115132050A CN 202210780899 A CN202210780899 A CN 202210780899A CN 115132050 A CN115132050 A CN 115132050A
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China
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water
pressure
resistant box
box body
seawater
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CN115132050B (en
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王玉红
陈家旺
孙瑜霞
黄煜
金诗迪
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Zhejiang University ZJU
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Zhejiang University ZJU
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B25/00Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B9/00Simulators for teaching or training purposes

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  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)

Abstract

The invention relates to an observation experiment teaching device for simulating a marine environment. Simulation marine environment's observation experiment teaching device: the device comprises a pressure-resistant box body, a sealing gasket, a cable, a pressure-resistant box cover, a compressed air pipeline, an air compressor, a controller, a compressed air pipeline, a sea salt pond, a three-way electromagnetic valve, a water pipe, seawater, a heat pump system, a bottom liquid outlet assembly, a concrete placing assembly, a water pump, an electromagnetic valve, a cylinder, a water pipe and an injection assembly, wherein the injection assembly controls the size of water flow and simulates ocean current change; the concrete placing assembly is arranged in the pressure-resistant box body and is used for observing the corrosion degree of seawater on concrete under different conditions; the bottom liquid outlet tissue controls the flow speed of water flow and simulates the marine environment; the controller controls the compressed air to simulate the pressure change of the seawater; the controller controls the heat pump system to refrigerate or heat, and simulates the temperature change of the seawater.

Description

Observation experiment teaching device for simulating marine environment
Technical Field
The invention belongs to a marine concrete material durability test teaching device, and particularly relates to an observation experiment teaching device for simulating a marine environment.
Background
Observing the corrosion degree of concrete in the ocean is an important link of building design. In recent years, people gradually develop the research on the concrete failure mechanism under the action of multiple factors, but the research conclusion is not well used for guiding engineering practice due to the restriction of factors such as a test device, test time and the like and the influence of factors such as concrete materials and the like. A great deal of research has been carried out on the durability of concrete structures at home and abroad, but most of the research adopts an accelerated test method. The test method accelerates the durability deterioration of the concrete structure by increasing the temperature, the relative humidity, the concentration of an erosion medium or introducing factors (such as current and the like) which do not exist in the field, so that the durability erosion mechanism, the process and the result of the concrete structure are not consistent with the actual condition, and the research result is difficult to be applied to the actual engineering.
The prior art provides some solutions such as prior patents: a test device for simulating marine environment CN106448319A is capable of simulating seawater environment under different conditions and effectively simulating the change conditions of seawater temperature, pressure, salinity and flow direction under the superposition of various conditions; and as another example, the test device for simulating marine environment dynamic and static combined loading concrete CN210090193U disclosed in the patent can simultaneously consider the characteristics of chemical and mechanical coupling action and dynamic and static combined loading, better conforms to the environment where the concrete is in service, and can be widely applied to concrete durability test occasions.
Disclosure of Invention
The invention aims to provide an observation experiment teaching device for simulating a marine environment, which can simulate the corrosion of a concrete column in seawater, and is convenient for teaching observation by adjusting various data; the device can be used for simulating different arrangement angles of the concrete columns in water and improving the direct viewing effect of an observer; the device can simulate the condition that the concrete column is corroded by the marine environment in reality to a great extent, provide reliable data support and guide actual work.
In order to achieve the above object, the present invention relates to an observation experiment teaching device for simulating a marine environment, comprising: withstand voltage box, be equipped with the sea water in the withstand voltage box, withstand voltage box inside one side upper end is equipped with the water pipe, withstand voltage bottom of the case portion is equipped with the water pump, water pipe and water pump intercommunication, it is inboard that injection subassembly locates withstand voltage box, the outside water pipe of being connected with the water pump of withstand voltage box is connected with injection subassembly, and set up relatively with the water pipe position, injection subassembly includes the flange, the flange middle part is equipped with first outlet pipe, first outlet pipe end connection has the three-way valve, the three-way valve front side is equipped with out the water base member, horizontal installation reposition of redundant personnel subassembly in the play water base member, reposition of redundant personnel subassembly the place ahead is equipped with out the water net dish, the outside lower extreme of three-way valve is connected with out the water support column, it inlays in the location base member to go out the water support column.
The three-way valve designs into big-outside-inner-small structure, and when the water passed through the three-way valve rethread play water net dish, the water velocity of flow increased, and the injection subassembly sets up in withstand voltage box left side simultaneously, and the rivers that the injection subassembly erupted form the circulation with the rivers that discharge that set up in the water pipe on right side and flow, and the sea water that can effectively simulate in the ocean flows to the injection subassembly left end is provided with the flange, the flange is hugged closely on withstand voltage box left side tank wall, can effectively avoid the injection subassembly during operation to take place great displacement, inlays the play water support column also in the location base member for preventing that the injection subassembly during operation from producing great displacement.
The reposition of redundant personnel subassembly includes the reposition of redundant personnel sleeve, the water retaining ring has been laid around the interval in the reposition of redundant personnel sleeve outside, the water retaining ring outside is connected with the play water matrix inner wall that sets up in the reposition of redundant personnel sleeve outside through elastic connecting rod, it is both ends opening taper sleeve column structure to go out the water matrix, taper sleeve diameter main aspects are equipped with the play water net piece of taking the mesh, it is connected with the laminating of play water net piece dish to go out the water net piece, it is equipped with the elasticity piece to go out between water net piece and the reposition of redundant personnel sleeve, the adjacent play water net piece tip shutoff of reposition of redundant personnel sleeve sets up and inside is equipped with the shutoff piece, another tip opening setting of reposition of redundant personnel sleeve, reposition of redundant personnel sleeve lateral wall equipartition through-hole.
When water passes through the reposition of redundant personnel sleeve, partial water flows in its inside, partial water gets into from the outside, and water is blockked by the shutoff piece and can only discharge after to reposition of redundant personnel sleeve top, join with the water of outside normal flow direction, realize discharging the water part turbulent flow of withstand voltage box, and the water impact shutoff piece of bottom can cause reposition of redundant personnel sleeve displacement around flowing in the reposition of redundant personnel sleeve, and then make reposition of redundant personnel sleeve and play water net piece formation striking or butt, elastic ring plays the buffering effect at this moment, and utilize this kind of striking to make out water net piece surface formation vibrations, help the gas in the water to melt into aquatic or the decomposition of big bubble, particulate matter that still is favorable to reducing the sea water blocks up the mesh condition and appears, simultaneously above-mentioned scheme has realized effectively simulating natural environment sea water.
Be equipped with withstand voltage case lid on the withstand voltage box, be equipped with sealed the pad between withstand voltage box and the withstand voltage case lid, placed the concrete in the middle of the withstand voltage box and placed the subassembly, be equipped with the cable in the withstand voltage box, the cable passes withstand voltage case lid and is connected with the controller that sets up externally.
The pressure-resistant box body, the pressure-resistant box cover and the sealing gasket form a closed pressure-resistant space, a cable transmits signals through the pressure-resistant box cover, the controller controls the air compressor, and the air compressor adjusts the pressure in the pressure-resistant box body through a compressed air pipeline to simulate the pressure change of seawater.
The water pipe in the pressure-resistant box body is provided with a three-way electromagnetic valve, the three-way electromagnetic valve is connected with the controller, the sea salt pond is arranged on the inner wall of the pressure-resistant box body in the Shanghai, and the sea salt pond is connected with the three-way electromagnetic valve.
The controller controls the three-way electromagnetic valve, when the backflow seawater flows into the seawater salt pond, the backflow seawater overflows and changes the salinity of the seawater, otherwise, the controller controls the three-way electromagnetic valve, the backflow seawater directly flows into the pressure-resistant box body, the salinity of the seawater is not changed, and the salinity change of the seawater is simulated.
The bottom is equipped with bottom play liquid subassembly in the withstand voltage box, and bottom play liquid subassembly includes that water tiling establishes the porous disk of bottom in the withstand voltage box, and the porous disk below is equipped with first division board, is equipped with first spring between porous disk and the first division board, has laid supplementary outlet pipe in the space between porous disk and the first division board, and first division board below is equipped with mounting plate and forms between the two and separates empty space, separates into a plurality of cavity rooms by the second division board in separating empty space.
The bottom goes out the velocity of water of liquid subassembly very slowly, its water that flows up sprays the horizontal fluid that the subassembly sprays the outflow with side and converges, consume side and spray the velocity of water flow that the subassembly sprays the flow like this, reduce the velocity of water flow of bottom in the withstand voltage box, simulate marine environment like this, and the mesh has also been seted up on the porous disk, reduce bottom play water body velocity of flow once more, the mounting plate bottom is equipped with second division board and cavity separation room in addition, be used for realizing the syllable-dividing shock attenuation effect of withstand voltage box bottom play water in-process, according to supplementary outlet pipe discharge water velocity, interval between porous disk and the mounting plate can be controlled to first spring relative flexible, slow down rivers from the porous disk exit velocity, and the upper and lower displacement of porous disk also can consume side and spray the velocity of water flow that the subassembly level flows.
The inside concrete placement component that is equipped with of withstand voltage box, the concrete placement component includes fixed cylinder, fixed cylinder is cylindrical structure, the assembly base member is laid at the interval from top to bottom in proper order to fixed cylinder, the second supporting baseplate that the level set up is connected to the bottom of fixed cylinder, second supporting baseplate end connection has the auxiliary chain to connect the pole, another tip and the fixed cylinder of auxiliary connecting rod are connected, be connected with the reinforcing rod body between auxiliary connecting rod and the second supporting baseplate, second supporting baseplate both sides interval is equipped with the through-hole, through-hole axis level sets up, the even and level of concrete column is laid on the second supporting baseplate, the tip of concrete column is equipped with solid fixed ring, the concrete column is connected through the first supporting baseplate parallel with the second supporting baseplate below solid fixed ring with one side.
The concrete placing assembly can simulate the corrosion of a concrete column in seawater 1, and is convenient for teaching observation by adjusting various data; 2. the upper part of the second supporting bottom plate is also provided with a slide way, an auxiliary connecting rod and a reinforcing rod, so that the horizontal inclination angle of the second supporting bottom plate can be changed by adjusting the auxiliary connecting rod and the reinforcing rod, the horizontal inclination angle of the second supporting bottom plate can be changed, different arrangement angles of concrete columns in water can be simulated, and the direct viewing effect of an observer can be improved; 3. the reinforcing rod body and the auxiliary connecting rod can control and reduce the displacement range of the concrete column under the action of water flow impact and the relative stability of concrete in water, avoid impacting a pressure-resistant box body and protect the pressure-resistant box body.
The heat pump system is arranged on the side of the water pump and connected with the controller, the controller controls the heat pump system to refrigerate or heat, and the temperature of the seawater is changed through the heat exchanger in the heat pump system to simulate the temperature change of the seawater.
Compared with the prior art, the invention has the advantages that the teaching requirement is met, the teaching quality is improved, various real conditions of seawater corrosion concrete columns can be simulated visually, and the teaching device is beneficial to cultivating the manual operation ability, the observation ability, the ability of analyzing the problems independently and solving the problems of teachers and students, and the scientific attitude, innovation consciousness and creativity of actual facts.
Other features and advantages of the present invention will become more apparent from the detailed description of the embodiments of the present invention when taken in conjunction with the accompanying drawings.
Description of the drawings:
FIG. 1 is a schematic structural diagram of a marine environment observation teaching device according to the present invention;
FIG. 2 is a schematic view of a concrete placement assembly according to the present invention;
FIG. 3 is a schematic view of a spray assembly according to the present invention;
FIG. 4 is a schematic view of the bottom exudate organization structure according to the present invention;
FIG. 5 is a schematic structural view of a flow divider assembly according to the present invention;
reference numbers: 100-pressure resistant box body; 101-a gasket; 102-a cable; 103-pressure-resistant box cover; 104-compressed air pipes; 105-an air compressor; 106-a controller; 107-compressed air pipes; 108-sea salt pond; 109-three-way solenoid valve; 110-water pipes; 111-seawater; 112-a heat pump system; 113-bottom draining assembly; 114-a concrete placement assembly; 115-water pump; 116-a solenoid valve; 117-cylinder; 118-a water pipe; 119-a jetting assembly; 200-assembling a substrate; 201-auxiliary connecting rod; 202-a stationary cylinder; 203-connecting the substrate; 204-reinforcing rod body; 205-a column of concrete; 206-a fixed ring; 207-a second support floor; 208-a first support floor; 300-a flange; 301-three-way valve; 302-a gas delivery pipe; 303-a second water outlet pipe; 304-a flow diversion assembly; 305-a water outlet net disc; 306-a water-out matrix; 307-water outlet channel; 308-water outlet supporting columns; 309-positioning the substrate; 310-a first water outlet pipe; 400-a water permeable plate; 401-auxiliary water outlet pipe; 402-a first spring; 403-a first divider plate; 404-a limiting plate body; 405-a mounting baseplate; 406-a chambered chamber; 407-a second divider panel; 500-a flow splitting sleeve; 501-an elastic connecting rod; 502-water-out matrix; 503-water outlet net sheet; 504-an elastic block; 505-a blocking block; 506-water retaining ring.
The specific implementation scheme is as follows:
the following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Example 1:
the structure of the observation experiment teaching device for simulating the marine environment refers to the attached figure 1, and in order to achieve the purpose, the observation experiment teaching device for simulating the marine environment comprises: withstand voltage box 100 is equipped with sea water 111 in the withstand voltage box 100, and withstand voltage box 100 inside one side upper end is equipped with water pipe 110, and withstand voltage box 100 bottom is equipped with water pump 115, and water pipe 110 and water pump 115 intercommunication, injection subassembly 119 locate withstand voltage box 100 inboard, and withstand voltage box 100 outside is connected with water pipe 110 and injection subassembly 119 that water pump 115 is connected, and sets up with water pipe 110 position relatively.
The structure of the injection component refers to fig. 3, the injection component 119 comprises a flange 300, a first water outlet pipe 310 is arranged in the middle of the flange 300, the end of the first water outlet pipe 310 is connected with a three-way valve 301, a water outlet base 306 is arranged on the front side of the three-way valve 301, a flow distribution component 304 is horizontally arranged in the water outlet base 306, a water outlet net disc 305 is arranged in front of the flow distribution component 304, the lower end of the outside of the three-way valve 301 is connected with a water outlet support column 308, and the water outlet support column 308 is embedded in a positioning base 309.
Three-way valve 301 designs into big-end-up's structure, and when the water passed through three-way valve 301 rethread play water net dish 305, the water velocity of flow increases, and spray assembly 119 sets up in withstand voltage box 100 left side simultaneously, and the rivers that spray assembly 119 jetted form the circulation with the rivers that set up to emit in the water pipe 110 on right side and flow, and the sea water that can effectively simulate in the ocean flows to spray assembly 119 left end is provided with flange 300, flange 300 hugs closely on withstand voltage box 100 left side tank wall, can effectively avoid spray assembly 119 during operation to take place great displacement.
The reposition of redundant personnel subassembly structure refers to fig. 5, reposition of redundant personnel subassembly 304 is including reposition of redundant personnel sleeve 500, reposition of redundant personnel sleeve 500 outside encircles the interval and has laid water retaining ring 506, water retaining ring 506 outside is through elastic connecting rod 501 and the play water base member 502 inner wall connection who sets up in the reposition of redundant personnel sleeve 500 outside, it is both ends opening taper sleeve column structure to go out water base member 502, and taper sleeve diameter main aspects is equipped with the play water net piece 503 of taking the mesh, it is connected with the laminating of play water net piece 503 and play water net dish 305 to go out water net piece 503, it is equipped with elastic block 504 to go out between water net piece 503 and the reposition of redundant personnel sleeve 500, the adjacent play water net piece 503 tip shutoff of reposition of redundant personnel sleeve 500 sets up and inside is equipped with shutoff piece 505, another tip opening setting of reposition of redundant personnel sleeve 500, reposition of redundant personnel sleeve 500 lateral wall equipartition through-hole.
When water passes through the flow distribution sleeve 500, part of seawater 111 flows inside the flow distribution sleeve 500, part of seawater 111 enters from the outside, and the water is blocked by the blocking block 505 after reaching the top end of the flow distribution sleeve 500 and can only be discharged, and is converged with the seawater 111 in the external normal flow direction, so that part of turbulent flow of the seawater 111 discharged to the pressure-resistant box body 100 is realized, and the seawater 111 flowing to the bottom in the flow distribution sleeve 500 impacts the blocking block 505 to cause the front and back displacement of the flow distribution sleeve 500, so that the flow distribution sleeve 500 and the water outlet mesh 503 form impact or butt joint, at the moment, the elastic ring 504 has a buffering effect, and the surface of the water outlet mesh 503 forms vibration by utilizing the impact, so that the gas in the seawater 111 is favorably melted into water or the large bubbles are decomposed, the situation that the mesh blockage by particles in the seawater 111 is favorably reduced, and the seawater in the natural environment is effectively simulated by the scheme.
Referring to the attached drawing 1, a pressure-resistant box cover 103 is arranged on the pressure-resistant box 100, a sealing gasket 101 is arranged between the pressure-resistant box 100 and the pressure-resistant box cover 103, a concrete placing assembly 114 is placed in the middle of the pressure-resistant box 100, a cable 102 is arranged in the pressure-resistant box 100, and the cable 102 penetrates through the pressure-resistant box cover 103 and is connected with a controller 106 arranged outside.
The pressure-resistant box body 100, the pressure-resistant box cover 103 and the sealing gasket 101 form a closed pressure-resistant space, the concrete placing assembly 114 is placed in seawater 111 contained in the pressure-resistant box body 100, a cable 102 transmits signals through the pressure-resistant box cover 103, the controller 106 controls the air compressor 105, and the air compressor 105 adjusts the pressure in the pressure-resistant box body 100 through the compressed air pipeline 104 to simulate the pressure change of the seawater.
Referring to the principle of the controller controlling the change of the seawater salinity in fig. 1, a three-way electromagnetic valve 109 is arranged on a water pipe 110 in the pressure-resistant box 100, the three-way electromagnetic valve 109 is connected with the controller 106, a seawater salt pond 108 is arranged on the inner wall of the pressure-resistant box 100 in the Shanghai, and the seawater salt pond 108 is connected with the three-way electromagnetic valve 109. The controller 106 controls the three-way electromagnetic valve 109, when the backflow seawater 111 flows into the seawater salt pond 108 and overflows to change the salinity of the seawater 111, otherwise, the controller 106 controls the three-way electromagnetic valve 109, the backflow seawater 111 directly flows into the pressure-resistant box 100, the salinity of the seawater 111 is not changed, and the salinity change of the seawater is simulated.
Referring to fig. 4, the bottom liquid outlet organizational structure in the pressure-proof box 100 is provided with a bottom liquid outlet assembly 113, the bottom liquid outlet assembly 113 comprises a water permeable plate 400 horizontally laid at the bottom in the pressure-proof box 100, a first partition plate 403 is arranged below the water permeable plate 400, a first spring 402 is arranged between the water permeable plate 400 and the first partition plate 403, an auxiliary water outlet pipe 401 is laid in the space between the water permeable plate 400 and the first partition plate 403, a mounting bottom plate 405 is arranged below the first partition plate 403, a separation space is formed between the first partition plate and the mounting bottom plate, and a plurality of separation cavities 406 are separated by a second partition plate 407 in the separation space.
The water outlet speed of the bottom liquid outlet assembly 113 is very slow, the upward flowing seawater 111 merges with the horizontal fluid of the seawater 111 sprayed and flowing out by the side spraying assembly 119, this consumes the flow velocity of the water current jetted from the side jet unit 119, reduces the flow velocity of the water current at the bottom of the pressure-resistant tank 100, thus simulating the marine environment, and the permeable plate 400 is also provided with meshes to reduce the flow rate of the bottom effluent water again, and the bottom of the mounting base plate 405 is provided with a second partition plate 407 and a cavity separating chamber 406 for realizing the sound insulation and shock absorption effects in the bottom effluent process of the pressure-resistant box 100, according to the speed of the auxiliary water outlet pipe 401 discharging water, the first spring 402 can relatively extend and contract to control the distance between the water permeable plate 400 and the mounting base plate 405, so as to slow down the speed of the water flow discharged from the water permeable plate 400, and the up and down displacement of the permeable plate 400 can also consume the velocity of the water horizontally flowing from the side jet assembly 119.
The concrete placing assembly structure is shown in fig. 2, the concrete placing assembly 114 is arranged inside the pressure-resistant box 100, the concrete placing assembly 114 comprises a fixed cylinder 202, the fixed cylinder 202 is of a cylindrical structure, the assembling base bodies 200 are sequentially arranged on the fixed cylinder 202 from top to bottom at intervals, a second supporting bottom plate 207 horizontally arranged is connected to the bottom of the fixed cylinder 202, an auxiliary link rod 201 is connected to the end of the second supporting bottom plate 207, the other end of the auxiliary link rod 201 is connected with the fixed cylinder 202, a reinforcing rod body 204 is connected between the auxiliary link rod 201 and the second supporting bottom plate 207, through holes are arranged on two sides of the second supporting bottom plate 207 at intervals, axes of the through holes are horizontally arranged, the concrete column 205 is uniformly and horizontally arranged on the second supporting bottom plate 207, a fixing ring 206 is arranged at the end of the concrete column 205, and the lower part of the fixing ring 206 on the same side of the concrete column 205 is connected with a first supporting bottom plate 208 parallel to the second supporting bottom plate 207.
The concrete placing assembly 114 can simulate the corrosion of the concrete column 205 in the seawater 111, and is convenient for teaching observation by adjusting various data; 2. the horizontal inclination angle of the second supporting bottom plate 207 can be changed, so that different arrangement angles of the concrete column 205 in water can be simulated, and the direct viewing effect of an observer can be improved; 3. the reinforcing rod body 204 and the auxiliary connecting rod 201 can control and reduce the displacement range of the concrete column 205 under the action of water flow impact and the relative stability of concrete in water, so that the concrete column is prevented from impacting the pressure-resistant box body 100, and the pressure-resistant box body 100 is protected.
The working principle of the heat pump system is shown in fig. 1, a heat pump system 112 is arranged on the side of the water pump 115, and the heat pump system 112 is connected with the controller 106.
The controller 106 controls the heat pump system 112 to cool or heat, and the temperature of the seawater 111 is changed by the heat exchanger in the heat pump system 112 to simulate the temperature change of the seawater.
Example 2:
this implementation lies in introducing how this device realizes simulating turbulent state's ocean current, specifically is: the pump body sends the sea water 111 into three-way valve 301 through first outlet pipe 310, enters into water base 306 after three-way valve 301, and the sea water 111 flows along water base 306 inner wall, enlarges efflux range and angle, effectively simulates sea water 111 to flow, and simultaneously partial sea water 111 discharges behind reposition of redundant personnel subassembly 304, through shunting partial sea water 111 like this, easily forms partial turbulent flow like this and simulates the ocean current.
Example 3:
the embodiment introduces how the device realizes the simulation of the ocean current in the turbulent state through another working mode, and specifically comprises the following steps: the gas can be mixed with the seawater 111 through the three-way valve 301 to simulate the seawater 111 under different weather conditions or sea conditions, wherein the gas is firstly mixed with the seawater 111 in the water outlet channel 307 of the three-way valve 301, the gas can be rapidly carried out of the three-way valve 301 by the seawater 111 passing through the water outlet channel 307 due to the reduction of the area of the flow channel in the middle of the water outlet channel 307 of the three-way valve 301, the gas and the seawater 111 start to be mixed after entering the water outlet base 306, and the gas flow can be mixed with the water flow again under the influence of the structure of the flow dividing assembly 304 when passing through the flow dividing assembly 304, so as to form local turbulence.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.

Claims (7)

1. An observation experiment teaching device simulating a marine environment, comprising:
the seawater desalination device comprises a pressure-resistant box body (100), wherein seawater (111) is arranged in the pressure-resistant box body (100), a water pipe (110) is arranged at the upper end of one side in the pressure-resistant box body (100), a water pump (115) is arranged at the bottom of the pressure-resistant box body (100), the water pipe (110) is communicated with the water pump (115),
the spraying component (119), the spraying component (119) is arranged on the inner side of the pressure-resistant box body (100), a water pipe (110) connected with a water pump (115) outside the pressure-resistant box body (100) is connected with the spraying component (119) and is arranged opposite to the water pipe (110),
the method is characterized in that: injection subassembly (119) include flange (300), flange (300) middle part is equipped with first outlet pipe (310), first outlet pipe (310) end connection has three-way valve (301), three-way valve (301) front side is equipped with out water base member (306), horizontal installation reposition of redundant personnel subassembly (304) in play water base member (306), reposition of redundant personnel subassembly (304) the place ahead is equipped with out water net dish (305), three-way valve (301) outside lower extreme is connected with out water support column (308), it inlays in location base member (309) to go out water support column (308).
2. The observation experiment teaching device for simulating the marine environment according to claim 1, wherein: the flow dividing assembly (304) comprises a flow dividing sleeve (500), water retaining rings (506) are arranged on the outer side of the flow dividing sleeve (500) at intervals, the outer side of each water retaining ring (506) is connected with the inner wall of a water outlet base body (502) arranged on the outer side of the flow dividing sleeve (500) through an elastic connecting rod (501), the water outlet base body (502) is of a cone sleeving structure with openings at two ends, a water outlet net piece (503) with meshes is arranged at the large diameter end of a cone sleeve, the water outlet net piece (503) is connected with a water outlet net disc (305) in an attaching mode, and elastic blocks (504) are arranged on the water outlet net piece (503) and the flow dividing sleeve (500) in a quality testing mode;
the adjacent water net piece (503) tip shutoff of reposition of redundant personnel sleeve (500) sets up and inside is equipped with shutoff piece (505), another tip opening of reposition of redundant personnel sleeve (500) sets up, reposition of redundant personnel sleeve (500) lateral wall equipartition through-hole.
3. The observation experiment teaching device for simulating the marine environment according to claim 1, wherein: a pressure-resistant box cover (103) is arranged on the pressure-resistant box body (100), a sealing gasket (101) is arranged between the pressure-resistant box body (100) and the pressure-resistant box cover (103), a concrete placing component (114) is placed in the middle of the pressure-resistant box body (100), a cable (102) is arranged in the pressure-resistant box body (100), the cable (102) penetrates through the pressure-resistant box cover (103) to be connected with a controller (106) arranged outside,
the controller (106) is connected with an air compressor (105), the air compressor (105) is connected with a compressed air pipeline (104), and an air outlet of the compressed air pipeline (104) is arranged inside the pressure-resistant box body (100).
4. The device for teaching observation experiments simulating marine environments as claimed in claim 3, wherein: a three-way electromagnetic valve (109) is arranged on a water pipe (110) in the pressure-resistant box body (100), the three-way electromagnetic valve (109) is connected with a controller (106), a sea salt pond (108) is arranged on the inner wall of the pressure-resistant box body (100) in the Shanghai, and the sea salt pond (108) is connected with the three-way electromagnetic valve (109);
the controller (106) controls the three-way electromagnetic valve (109), when the backflow seawater (111) flows into the seawater salt pond (108), the seawater is overflowed to change the salinity of the seawater (111), otherwise, the controller (106) controls the three-way electromagnetic valve (109), the backflow seawater (111) directly flows into the pressure-resistant box body (100), the salinity of the seawater (111) is not changed, and the salinity change of the seawater is simulated.
5. The observation experiment teaching device for simulating the marine environment according to claim 1, wherein: the bottom in the pressure-resistant box body (100) is provided with a bottom liquid outlet component (113), the bottom liquid outlet component (113) comprises a water permeable plate (400) horizontally laid at the bottom in the pressure-resistant box body (100), a first partition plate (403) is arranged below the water permeable plate (400), a first spring (402) is arranged between the water permeable plate (400) and the first partition plate (403), an auxiliary water outlet pipe (401) is laid in a space between the water permeable plate (400) and the first partition plate (403),
an installation bottom plate (405) is arranged below the first partition plate (403), an isolated space is formed between the first partition plate and the installation bottom plate, and a plurality of isolated chambers (406) are separated by second partition plates (407) in the isolated space.
6. The observation experiment teaching device for simulating the marine environment as claimed in claim 1, characterized in that: the concrete placing component (114) is arranged inside the pressure-resistant box body (100), the concrete placing component (114) comprises a fixed cylinder (202), the fixed cylinder (202) is of a cylindrical structure, the assembling base bodies (200) are sequentially arranged on the fixed cylinder (202) at intervals from top to bottom, a second supporting bottom plate (207) which is horizontally arranged is connected to the bottom of the fixed cylinder (202), an auxiliary chain connecting rod (201) is connected to the end portion of the second supporting bottom plate (207), the other end portion of the auxiliary connecting rod (201) is connected with the fixed cylinder (202), a reinforcing rod body (204) is connected between the auxiliary connecting rod (201) and the second supporting bottom plate (207), through holes are arranged on two sides of the second supporting bottom plate (207) at intervals, the axes of the through holes are horizontally arranged, and concrete columns (205) are arranged on the through holes on two sides of the supporting bottom plate (207), the end of the concrete column (205) is provided with a fixing ring (206), and the lower part of the fixing ring (206) on the same side of the concrete column (205) is connected with a first support bottom plate (208) parallel to a second support bottom plate (207).
7. The device for teaching observation experiments simulating marine environments as claimed in claim 3, wherein: and a heat pump system (112) is arranged on the side of the water pump (115), and the heat pump system (112) is connected with the controller (106).
CN202210780899.8A 2022-07-05 2022-07-05 Observation experiment teaching device for simulating marine environment Active CN115132050B (en)

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