CN113686913B - Closed-loop refrigerating system at bottom of geotechnical test box - Google Patents
Closed-loop refrigerating system at bottom of geotechnical test box Download PDFInfo
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- CN113686913B CN113686913B CN202110940785.0A CN202110940785A CN113686913B CN 113686913 B CN113686913 B CN 113686913B CN 202110940785 A CN202110940785 A CN 202110940785A CN 113686913 B CN113686913 B CN 113686913B
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- 239000007788 liquid Substances 0.000 claims abstract description 94
- 238000001816 cooling Methods 0.000 claims abstract description 39
- 239000000110 cooling liquid Substances 0.000 claims abstract description 25
- 239000011229 interlayer Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 66
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 24
- 238000005192 partition Methods 0.000 claims description 11
- 238000005057 refrigeration Methods 0.000 claims description 9
- 239000002826 coolant Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000002528 anti-freeze Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 33
- 238000005452 bending Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 18
- 230000000694 effects Effects 0.000 description 9
- 239000010410 layer Substances 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000010257 thawing Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000004927 clay Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 230000009746 freeze damage Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D15/00—Devices not covered by group F25D11/00 or F25D13/00, e.g. non-self-contained movable devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a closed-loop refrigerating system at the bottom of a geotechnical test box, which comprises the geotechnical test box and a refrigerator for cooling the geotechnical test box, wherein the interlayer of the bottom plate of the geotechnical test box is divided into at least two independent areas, each independent area is internally provided with a snake-shaped groove, one end of each snake-shaped groove is connected with a liquid outlet of the refrigerator, and the other end of each snake-shaped groove is connected with a liquid inlet of the refrigerator; according to the invention, at least two snake-shaped grooves in independent areas are arranged in the bottom plate interlayer of the geotechnical test box, the liquid outlet and the liquid inlet of each snake-shaped groove are respectively communicated with the refrigerator, the flowing time of cooling liquid in each snake-shaped groove is prolonged through the bending structure of each snake-shaped groove, so that the bottom plate of the large geotechnical test box can sufficiently cool soil in the geotechnical test box for a long time, in addition, the snake-shaped grooves in a plurality of independent areas are respectively cooled in a circulating manner, or a certain area is independently selected for cooling, and the purpose of controllable cooling speed of the soil is achieved.
Description
Technical Field
The invention relates to the technical field of civil engineering, in particular to a closed-loop refrigerating system at the bottom of a geotechnical test box.
Background
In recent years, the urgency of engineering construction around cold areas is gradually increasing. However, aiming at the problems of freeze thawing disasters, prevention and control of freeze injury, disaster-induced evolution and the like faced by engineering construction in cold regions, special device equipment is not provided for demonstrating the freeze thawing and freeze injury process of soil layers, so that the problem of soil mass freeze injury in the actual process cannot be solved according to the simulation situation.
At present, although some test devices for simulating the soil freezing and thawing process exist, the cooling process of the soil is slow and can be completed only for a long time, in the cooling process of the soil, the time of the cooling liquid passing through the soil is faster, the time of the cooling liquid absorbing the heat of the soil is shorter, and a good cooling effect cannot be realized on the soil.
In a test method and a test device for simulating a freeze thawing cycle process in a geotechnical centrifuge with the publication number of CN 109083206A, when a soil body is cooled, a cover body with a refrigerating function is used for covering the soil body and then cooling the soil body, but the problem that the heat absorption and heat dissipation processes are completed on the soil body through a straight pipe arranged in the cover body in the cooling process of the refrigerated cover body, so that the heat absorption and heat dissipation time is shorter and the problem of low cooling efficiency of the soil body is caused, in a multifunctional geotechnical model test system and a test method with the publication number of CN 107907662A, the soil body is directly connected with a box body through a refrigerating compressor, the cooling process of the soil body in the box body is completed by arranging an inlet and an outlet on the box body, the whole cooling process is only performed by virtue of the circulation process of cold air, the flowing process of the air in the box body is extremely fast, and the heat absorption of the soil body is a slow process, so that the soil body cannot be cooled efficiently and sufficiently. In order to solve the problems, the invention provides a closed-loop refrigerating system at the bottom of a geotechnical test box, which is used for solving the problem of low cooling efficiency.
Disclosure of Invention
The invention aims to provide a closed-loop refrigerating system at the bottom of a geotechnical test box, so as to achieve the aim of improving the cooling efficiency of soil.
In order to achieve the above object, the present invention provides the following solutions:
The utility model provides a closed loop refrigerating system of geotechnique's test box bottom, includes geotechnique's test box and is used for carrying out the refrigerator of cooling to geotechnique's test box, divide into two at least independent areas in geotechnique's test box's the bottom plate intermediate layer, every snake-shaped recess has all been seted up in the independent area, every the one end of snake-shaped recess is connected with the liquid outlet of refrigerator, another one end with the inlet of refrigerator is connected, the refrigerator is used for right liquid in the snake-shaped recess is circulated the cooling.
Preferably, the independent area comprises a first compartment and a second compartment arranged along a long side of the independent area, the serpentine grooves on the first compartment and the serpentine grooves on the second compartment communicating with each other.
Preferably, adjacent grooves are separated by a partition plate, and the partition plate is made of steel.
Preferably, the refrigerator comprises an inner refrigerating machine and an outer refrigerating machine which are connected with each other.
Preferably, the refrigerating inner machine comprises a machine case and a heat exchange device, the machine case comprises a water tank and a device box, a liquid outlet, a liquid inlet, a first liquid inlet and a first liquid outlet are formed in the water tank, the liquid outlet is connected with one end of the serpentine groove, the liquid inlet is connected with the other end of the serpentine groove, the device box is communicated with the water tank through the first liquid inlet and the first liquid outlet, the heat exchange device comprises a heat exchanger, a first water pump and a second water pump, the first water pump and the heat exchanger are installed in the device box, the second water pump is installed in the water tank, one end of the heat exchanger is connected with the first liquid inlet, the other end of the heat exchanger is connected with the water inlet end of the first water pump, the water outlet end of the first water pump is connected with the first liquid outlet, and the water outlet end of the second water pump is connected with the liquid outlet.
Preferably, the refrigerating external machine comprises a heat radiating fan, a power supply interface, a high-pressure pipe orifice and a low-pressure pipe orifice, the device box is further provided with a high-pressure pipe orifice through hole and a low-pressure pipe orifice through hole, the high-pressure pipe orifice penetrates through the high-pressure pipe orifice through hole to be connected with the heat exchanger through a high-pressure pipe, the low-pressure pipe orifice penetrates through the low-pressure pipe orifice through hole to be connected with the heat exchanger through a low-pressure pipe, and the power supply interface is connected with a power supply.
Preferably, the connecting pipelines of the serpentine grooves and the liquid outlet are communicated with the water tank after being communicated through the three-way joint, and the connecting pipelines of the serpentine grooves and the liquid inlet are communicated with the water tank after being communicated through the three-way joint.
Preferably, the pipeline adopts a hydraulic rubber pipe.
Preferably, a plurality of columnar bodies are arranged at the top of the side wall of the geotechnical test box at intervals, and the columnar bodies at the tops of the adjacent side walls are the same in height.
Preferably, the liquid is high-grade heavy-load full-formula antifreezing cooling liquid.
Compared with the prior art, the invention has the following technical effects:
1. According to the invention, at least two snake-shaped grooves in independent areas are arranged in a bottom plate interlayer of the geotechnical test box, and a liquid outlet and a liquid inlet of each snake-shaped groove are respectively communicated with a refrigerator, so that the flowing time of cooling liquid in each snake-shaped groove is prolonged through a bending structure of each snake-shaped groove, the bottom plate of the geotechnical test box can sufficiently cool soil in the geotechnical test box for a long time, in addition, the snake-shaped grooves in a plurality of independent areas are respectively cooled in a circulating mode, or a certain area is independently selected for cooling, and the purpose of controlling the cooling speed of the soil is achieved.
2. The independent area comprises the first cabin and the second cabin, the first cabin and the second cabin are arranged along the long side of the independent area, the snake-shaped groove on the first cabin and the snake-shaped groove on the second cabin are mutually communicated, and the time of cooling liquid flowing along the long side is longer than that of cooling liquid flowing along the short side at the same flow rate, so that the bottom plate of the large geotechnical test box can absorb more heat, and a better cooling effect is achieved.
3. According to the invention, the adjacent grooves are separated by the partition plate, and the partition plate is made of steel, so that the problem that the partition plate is perforated under the corrosion action of the antifreeze for a long time is avoided, and the service life of the geotechnical test box is influenced.
4. The refrigerator comprises a refrigerating inner machine and a refrigerating outer machine which are connected with each other, soil in a geotechnical test box is cooled in a circulating mode through the refrigerating inner machine, and the refrigerating outer machine is used for radiating heat circulated by the refrigerating inner machine.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings that are necessary for the embodiments will be briefly described below, it being evident that the drawings in the following description are only some embodiments of the invention and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a closed-loop refrigeration system at the bottom of a geotechnical test box;
FIG. 2 is a schematic diagram of the construction of a geotechnical test box;
FIG. 3 is a schematic view of the bottom construction of the geotechnical test box;
FIG. 4 is a schematic diagram of a geotechnical test box bottom plate interlayer serpentine groove;
FIG. 5 is a schematic diagram of a refrigeration inner machine;
FIG. 6 is a schematic diagram of a refrigeration outdoor unit;
FIG. 7 is a graph of temperature versus time for a closed loop refrigeration system at the bottom of a geotechnical test box.
1, A geotechnical test box; 2. a bottom plate of the geotechnical test box; 3. a refrigerating inner machine; 4. a refrigerating outer machine; 5. A hydraulic rubber tube; 6. a three-way joint; 7. a liquid inlet of the serpentine groove; 8. a liquid outlet of the serpentine groove; 9. a columnar body; 10. an independent area; 11. a serpentine groove; 12. a partition plate; 13. a water tank; 14. a first water pump; 15. A second water pump; 16. a heat exchanger; 17. a first liquid inlet; 18. a first liquid outlet; 19. a liquid inlet; 20. A liquid outlet; 21. a liquid inlet of the second water pump; 22. a second water pump liquid outlet; 23. a first water pump liquid inlet; 24. a first water pump liquid outlet; 25. a liquid inlet of the heat exchanger; 26. a liquid outlet of the heat exchanger; 27. a high pressure nozzle through hole; 28. a low pressure nozzle through hole; 29. a first high pressure pipe interface; 30. a first low pressure pipe interface; 31. A high pressure pipe; 32. a low pressure conduit; 33. a second high pressure pipe interface; 34. a second low pressure pipe interface; 35. A power interface; 36. a heat dissipation fan; 38. a power line; 39. a riser; 40. and a device box.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a closed-loop refrigerating system at the bottom of a geotechnical test box, so as to achieve the aim of improving the cooling efficiency of soil.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1 to 7, a closed-loop refrigerating system at the bottom of a geotechnical test box comprises the geotechnical test box 1 and a refrigerator for cooling the geotechnical test box 1, wherein the interlayer of the bottom plate of the geotechnical test box 1 is divided into at least two independent areas 10, each independent area 10 is internally provided with a snake-shaped groove 11, one end of each snake-shaped groove 11 is connected with a liquid outlet 20 of the refrigerator, the other end of each snake-shaped groove is connected with a liquid inlet 19 of the refrigerator, and the refrigerator is used for circularly cooling liquid in the snake-shaped groove 11; according to the invention, at least two snake-shaped grooves 11 of the independent area 10 are arranged in the bottom plate interlayer of the geotechnical test box 1, two ends of each snake-shaped groove 11 are respectively communicated with the liquid inlet 19 and the liquid outlet 20 of the refrigerator, and the flowing time of cooling liquid in each snake-shaped groove 11 is prolonged through the bending structure of each snake-shaped groove 11, so that the bottom plate 2 of the large geotechnical test box can sufficiently cool the soil in the geotechnical test box 1 for a long time, and the cooling effect of the soil is enhanced. In addition, the serpentine grooves of the independent areas 10 are respectively cooled in a circulating way, or a certain area is independently selected to cool, so that the purpose of controlling the cooling speed of the soil body is achieved.
Referring to fig. 4, the independent area 10 includes a first cabin and a second cabin, the first cabin and the second cabin are arranged along the long side of the independent area 10, the serpentine groove 11 on the first cabin and the serpentine groove 11 on the second cabin are mutually communicated, the time of the cooling liquid flowing along the long side is longer than the time of the cooling liquid flowing along the short side at the same flow rate, so that the cooling liquid in the bottom plate 2 of the large-scale geotechnical test box can absorb more heat, and the designed temperature value of the soil body in the geotechnical test box 1 can be reached only by the small circulation times of the cooling liquid; further, the design temperature value mentioned here is the same or similar temperature value obtained by the test personnel by simulating the temperature value in the freeze-thawing soil body of the region according to the requirement.
Referring to fig. 4, adjacent grooves are separated by a partition plate 12, and the partition plate 12 is made of steel, so that the problem that the partition plate 12 is perforated under the corrosion action of antifreeze for a long time is avoided, and the service life of the geotechnical test box 1 is influenced; further, the material of the separator 12 may be selected from a plate with a relatively high corrosion resistance, such as a steel separator 12, an acrylic plate, or other plates coated with a corrosion protection layer.
Referring to fig. 1, the refrigerator includes a refrigerating inner machine 3 and a refrigerating outer machine 4 connected to each other, the soil body in the geotechnical test box 1 is cooled down circularly by the refrigerating inner machine 3, and the refrigerating outer machine 4 is used for radiating heat circulated by the refrigerating inner machine 3.
Referring to fig. 5, the refrigerating inner machine 3 comprises a case and a heat exchange device, the case comprises a water tank 13 and a device tank 40, the water tank 13 is provided with a liquid outlet 20, a liquid inlet 19, a first liquid inlet 17 and a first liquid outlet 18, the liquid outlet 20 is connected with one end of a serpentine groove 11, the liquid inlet 19 is connected with the other end of the serpentine groove 11, the device tank 40 and the water tank 13 are communicated with the first liquid outlet 18 through the first liquid inlet 17, the heat exchange device comprises a heat exchanger 16, a first water pump 14 and a second water pump 15, the first water pump 14 and the heat exchanger 16 are arranged in the device tank 40, the second water pump 15 is arranged in the water tank 13, one end of the heat exchanger 16 is connected with the first liquid inlet 17, the other end is connected with a first water pump liquid inlet 23, the first water pump liquid outlet 24 is connected with the first liquid outlet 18, the second water pump liquid inlet 21 is directly contacted with cooling liquid, and the second water pump liquid outlet 22 is connected with the liquid outlet 20; the specific cyclic work flow is as follows: firstly, cooling liquid after absorbing heat flows out from one end of a serpentine groove 11 and flows back to a water tank 13 through a liquid inlet 19, then all the cooling liquid after absorbing heat enters a first water pump 14 in a device box 40 through a first liquid outlet 18 arranged on the water tank 13 and is pumped into a heat exchanger 16 through the first water pump 14, the cooling liquid after cooling obtained through heat exchange of the heat exchanger 16 reaches a first liquid inlet 17 also arranged on the water tank 13 through a pipeline and enters the water tank 13 through the first liquid inlet 17, a second water pump 15 arranged in the water tank 13, and the cooling liquid after cooling enters the serpentine groove 11 through a liquid outlet 20 arranged on the water tank 13 under the pumping action of the second water pump 15, so that the cooling circulation process of the cooling liquid is completed; further, the device box 40 is separated from the water tank 13 through the vertical plate 39, the first liquid inlet 17 and the first liquid outlet 18 are both arranged on the vertical plate 39, the position of the first liquid outlet 18 is close to the bottom of the vertical plate 39, the position of the first liquid inlet 17 is close to the top of the vertical plate 39, the first liquid outlet 18 arranged at the bottom of the vertical plate 39 is more convenient for cooling liquid after absorbing heat to flow back, and the cooled cooling liquid arranged at the first liquid inlet 17 at the top of the vertical plate 39 flows back.
Referring to fig. 6, the external refrigeration machine 4 comprises a heat dissipation fan 36, a power supply interface 35, a second high-pressure pipe interface 33 and a second low-pressure pipe interface 34, a high-pressure pipe orifice through hole 27 and a low-pressure pipe orifice through hole 28 are further formed in the device box 40, the high-pressure pipe orifice is connected with the heat exchanger 16 through the high-pressure pipe orifice through hole 27, the low-pressure pipe orifice is connected with the heat exchanger 16 through the low-pressure pipe orifice through hole 28, the power supply interface 35 is connected with a power supply, and the power supply interface 35 is connected with the device box 40 through a power supply wire 38; the heat absorbed by the heat exchanger 16 in the refrigerating inner machine 3 enters the refrigerating outer machine 4 through a high-pressure pipe orifice in the form of high-pressure gas, and then is cooled through the cooling fan 36 in the refrigerating outer machine 4, and the cooled gas enters the heat exchanger 16 again through a low-pressure pipe orifice, so that the heat exchanger 16 absorbs the heat of the cooling liquid again, the cooling process of hot gas circulation is completed, the continuous and efficient cooling process of the cooling liquid after absorbing the heat is ensured, and the aim of improving the soil cooling efficiency is fulfilled; the further heat exchanger 16 is provided with a first high-pressure pipe joint 29 and a first low-pressure pipe joint 30 which are communicated with the high-pressure pipe, the first high-pressure pipe joint 29 is communicated with a second high-pressure pipe joint 33 through a high-pressure pipeline 31, and the first low-pressure pipe joint 30 is communicated with a second low-pressure pipe joint 34 through a low-pressure pipeline 32.
Referring to fig. 1, connecting pipes of the serpentine grooves 11 of the plurality of independent areas 10 and the liquid outlet 20 are communicated with the water tank 13 after being communicated through the three-way joint 6, and connecting pipes of the serpentine grooves 11 of the plurality of independent areas 10 and the liquid inlet 19 are communicated with the water tank 13 after being communicated through the three-way joint 6; further, define the one end that snakelike recess 11 and liquid outlet 20 are connected for snakelike recess inlet 7, the one end that snakelike recess 11 and inlet 19 are connected is snakelike recess liquid outlet 8, because set up two at least independent areas 10 in the geotechnique test case bottom plate 2 intermediate layer, snakelike recess liquid outlet 8 and snakelike recess inlet 7 have all been seted up to snakelike recess 11 of seting up in every independent area 10, and be connected with inlet 19 and liquid outlet 20 of water tank 13, lead to inlet 19 on the water tank 13 can connect many pipelines, make the connection inconvenient, simultaneously, "many-to-one" connected mode, easily lead to interface connection not inseparable, take place the problem that the coolant liquid revealed, and set up tee bend joint 6 and carry out centralized processing with all pipeline and the pipeline of intercommunication liquid inlet 19 respectively, then be connected with inlet 19 or liquid outlet 20 through individual pipeline, avoid taking place above-mentioned "many-to-one" connected mode, the interface connection that causes is not tight, the problem that the coolant liquid revealed takes place.
Further, the pipeline adopts the hydraulic rubber pipe 5, has stronger anticorrosive and heat preservation effect, reduces the corrosion effect of coolant liquid to the pipeline, simultaneously, has avoided the coolant liquid to absorb the heat in the air when flowing into serpentine recess 11, reduces the problem of the cooling effect of coolant liquid.
Referring to fig. 2, a plurality of columns 9 are arranged at intervals at the top of the side wall of the geotechnical test box 1, the heights of the columns 9 at the top of the adjacent side wall are the same, when the insulation material is paved at the top of the geotechnical test box 1, the insulation material can be clamped at the joint of the columns 9, so that the geotechnical material is completely attached and fixed to the soil surface as much as possible, and the backflow of heat of the geotechnical test box in the cooling process is ensured, so that a good cooling effect is achieved.
Furthermore, the liquid is selected from high-grade heavy-load full-formula anti-freezing cooling liquid, and has stronger heat absorption capacity and lower corrosiveness.
In order to test the feasibility and reliability of the design method of the refrigerating system of the geotechnical test box 1, the test is carried out below to verify the cooling and temperature control performance of the refrigerating system of the geotechnical test box 1, clay is firstly selected to serve as a filler, the clay is filled and tamped in layers, the moisture content of the clay is 30%, and the clay is sequentially filled in layers and tamped manually; when the filling reaches the top of the soil box, the physical temperature is reduced, and the trend of the data in the figure 7 of the specification is obtained.
As can be seen from fig. 7, the temperature of the bottom of the geotechnical test chamber 1 gradually decreases and reaches the preset temperature as the cooling time increases. Firstly, in 0-20 hours, the temperature at the bottom of the geotechnical test box 1 is rapidly reduced to about 4 ℃ from the initial 17.5 ℃; the temperature at the bottom of the geotechnical test box 1 gradually becomes stable in the interval of 20-172 hours along with the increase of the cooling time and reaches the preset temperature at 153 hours; the temperature at the bottom of the geotechnical test box 1 reaches the preset temperature in the interval of 153-172 hours and tends to be stable. The invention can be fully verified from the whole cooling process and cooling result that the invention has obvious cooling effect and wide application scene.
The adaptation to the actual need is within the scope of the invention.
It should be noted that it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The closed-loop refrigerating system for the bottom of the geotechnical test box is characterized by comprising the geotechnical test box and a refrigerator for cooling the geotechnical test box, wherein the interlayer of the bottom plate of the geotechnical test box is divided into at least two independent areas, each independent area is internally provided with a snake-shaped groove, one end of each snake-shaped groove is connected with a liquid outlet of the refrigerator, the other end of each snake-shaped groove is connected with a liquid inlet of the refrigerator, and the refrigerator is used for circularly cooling liquid in the snake-shaped groove;
the independent area comprises a first cabin and a second cabin, the first cabin and the second cabin are arranged along the long side of the independent area, and the serpentine groove on the first cabin and the serpentine groove on the second cabin are communicated with each other;
the refrigerator comprises a refrigerating inner machine and a refrigerating outer machine which are connected with each other;
The refrigerating inner machine comprises a machine case and a heat exchange device, wherein the machine case comprises a water tank and a device case, a liquid outlet, a liquid inlet, a first liquid inlet and a first liquid outlet are formed in the water tank, the liquid outlet is connected with one end of a serpentine groove, the liquid inlet is connected with the other end of the serpentine groove, the device case and the water tank are communicated with each other through the first liquid inlet and the first liquid outlet, the heat exchange device comprises a heat exchanger, a first water pump and a second water pump, the first water pump and the heat exchanger are installed in the device case, the second water pump is installed in the water tank, one end of the heat exchanger is connected with the first liquid inlet, the other end of the heat exchanger is connected with the water inlet end of the first water pump, the water outlet end of the first water pump is connected with the first liquid outlet, and the water outlet end of the second water pump is connected with the liquid outlet.
The connecting pipelines of the snakelike grooves and the liquid outlet are communicated with the water tank after being communicated through the three-way joint, and the connecting pipelines of the snakelike grooves and the liquid inlet are communicated with the water tank after being communicated through the three-way joint.
2. A closed loop refrigeration system for the bottom of a geotechnical test tank according to claim 1, wherein adjacent grooves are separated by a partition, and wherein the partition is made of steel.
3. The closed-loop refrigerating system at the bottom of a geotechnical test box according to claim 1, wherein the external refrigerating machine comprises a heat radiating fan, a power supply interface, a high-pressure pipe orifice and a low-pressure pipe orifice, the device box is further provided with a high-pressure pipe orifice through hole and a low-pressure pipe orifice through hole, the high-pressure pipe orifice is connected with the heat exchanger through the high-pressure pipe orifice through hole, the low-pressure pipe orifice is connected with the heat exchanger through the low-pressure pipe orifice through hole, and the power supply interface is connected with a power supply.
4. The closed loop refrigeration system of the bottom of a geotechnical test box according to claim 1, wherein the pipeline adopts a hydraulic rubber pipe.
5. The closed loop refrigeration system of the bottom of a geotechnical test box according to claim 1, wherein a plurality of columns are arranged at intervals on the tops of the side walls of the geotechnical test box, and the columns on the tops of the adjacent side walls have the same height.
6. The closed-loop refrigeration system at the bottom of a geotechnical test box according to claim 1, wherein the liquid is high-grade heavy-load full-formula antifreeze coolant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110940785.0A CN113686913B (en) | 2021-08-17 | 2021-08-17 | Closed-loop refrigerating system at bottom of geotechnical test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110940785.0A CN113686913B (en) | 2021-08-17 | 2021-08-17 | Closed-loop refrigerating system at bottom of geotechnical test box |
Publications (2)
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012150359A2 (en) * | 2011-06-30 | 2012-11-08 | Areda | Thermal facility |
| CN204100638U (en) * | 2014-09-19 | 2015-01-14 | 北京威斯汀豪斯科技有限公司 | The warm cold/hot water unit of a kind of wind-cooling type heat pump three |
| CN206843334U (en) * | 2017-06-06 | 2018-01-05 | 中国葛洲坝集团三峡建设工程有限公司 | The combined cooling water pipe of mass concrete |
| CN109275445A (en) * | 2018-10-31 | 2019-01-29 | 福建农林大学 | A kind of soil temperature control device and its working method |
| CN111156645A (en) * | 2020-02-25 | 2020-05-15 | 青岛海尔空调器有限总公司 | Air-conditioning house and regulating and controlling method thereof |
| CN211607236U (en) * | 2020-05-08 | 2020-09-29 | 重庆工程学院 | Wireless charging receiving master control device for electric automobile |
| CN111998574A (en) * | 2020-08-25 | 2020-11-27 | 广州天萌建筑设计有限公司 | Commercial complex air conditioner energy recovery method and system |
| CN212205180U (en) * | 2020-03-27 | 2020-12-22 | 天津市声之光制冷设备有限公司 | Oxygen supply equipment for preservation of large-scale refrigeration house |
-
2021
- 2021-08-17 CN CN202110940785.0A patent/CN113686913B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012150359A2 (en) * | 2011-06-30 | 2012-11-08 | Areda | Thermal facility |
| CN204100638U (en) * | 2014-09-19 | 2015-01-14 | 北京威斯汀豪斯科技有限公司 | The warm cold/hot water unit of a kind of wind-cooling type heat pump three |
| CN206843334U (en) * | 2017-06-06 | 2018-01-05 | 中国葛洲坝集团三峡建设工程有限公司 | The combined cooling water pipe of mass concrete |
| CN109275445A (en) * | 2018-10-31 | 2019-01-29 | 福建农林大学 | A kind of soil temperature control device and its working method |
| CN111156645A (en) * | 2020-02-25 | 2020-05-15 | 青岛海尔空调器有限总公司 | Air-conditioning house and regulating and controlling method thereof |
| CN212205180U (en) * | 2020-03-27 | 2020-12-22 | 天津市声之光制冷设备有限公司 | Oxygen supply equipment for preservation of large-scale refrigeration house |
| CN211607236U (en) * | 2020-05-08 | 2020-09-29 | 重庆工程学院 | Wireless charging receiving master control device for electric automobile |
| CN111998574A (en) * | 2020-08-25 | 2020-11-27 | 广州天萌建筑设计有限公司 | Commercial complex air conditioner energy recovery method and system |
Non-Patent Citations (2)
| Title |
|---|
| 冻融作用下初始含水率对膨胀土边坡稳定性的影响研究;郭从洁;西安建筑科技大学学报;第53卷(第1期);全文 * |
| 蒸发面积对重力再循环间接冷却制冷系统效率的影响研究_;董浩;硕士学位论文;全文 * |
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