LU501868B1 - A brine freezing anti settlement system for underground structure construction - Google Patents

A brine freezing anti settlement system for underground structure construction Download PDF

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Publication number
LU501868B1
LU501868B1 LU501868A LU501868A LU501868B1 LU 501868 B1 LU501868 B1 LU 501868B1 LU 501868 A LU501868 A LU 501868A LU 501868 A LU501868 A LU 501868A LU 501868 B1 LU501868 B1 LU 501868B1
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LU
Luxembourg
Prior art keywords
thé
base
carriage
refrigeration
pipe
Prior art date
Application number
LU501868A
Other languages
French (fr)
Inventor
Chengbao Hu
Xi Wu
Jiaying Liu
Jiqing Jiang
Junye Yu
Original Assignee
Univ Zhejiang City College
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Publication of LU501868B1 publication Critical patent/LU501868B1/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/11—Improving or preserving soil or rock, e.g. preserving permafrost soil by thermal, electrical or electro-chemical means
    • E02D3/115—Improving or preserving soil or rock, e.g. preserving permafrost soil by thermal, electrical or electro-chemical means by freezing
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • 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
    • 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
    • F25D23/00—General constructional features

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Paleontology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Hydrology & Water Resources (AREA)
  • Agronomy & Crop Science (AREA)
  • Soil Sciences (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

structure construction, which comprises a transport vehicle, a carriage, a base, a freezer and a battery. The carriage is arranged on one side of thé transport vehicle. The freezer comprises a freezing pipe, a liquid supply pipe and a liquid return pipe. The water Met end and drainage end of thé freezing pipe are respectively connected with one side of thé liquid supply pipe and thé liquid return pipe,The base is located in thé inner cavity of thé carriage, and thé battery is installed on thé top of thé base;The invention can transport and accommodate thé instruments required for frozen soil work by setting transport vehicles and carriages. Compared with thé traditional building to protect thé instruments, thé invention improves thé mobility and convenience;By setting thé shock absorption mechanism, thé équipaient in thé vehicle can be protected from shock during transportation;By setting ventilation components, thé heat generated during heat exchange of thé réfrigération unit can be evacuated, thé réfrigération unit can be protected, and thé réfrigération performance of thé equipment is improved.

Description

Specification LU501868 A brine freezing anti settlement system for underground structure construction Technical Field The invention relates to the technical field of underground construction equipment, in particular to a brine freezing anti settlement system for underground structure construction. Background Technology Freezing method is a special construction technology that uses artificial refrigeration technology to freeze the water in the stratum, turn the natural rock and soil into frozen soil, increase its strength and stability, and isolate the connection between groundwater and underground engineering, so as to carry out the excavation and construction of shaft or underground engineering under the protection of freezing wall;Salt water circulation plays a role of cooling capacity transfer in the refrigeration process. The circulation system is driven by the flow of salt water. The freezer is a heat exchanger for heat exchange between low-temperature brine and the formation. The faster the flow rate of brine, the greater the heat exchange intensity.
The existing construction method of brine freezing method is usually carried out outdoors, and the refrigeration unit is usually installed outside. It is necessary to build a supporting house to protect it at zero time, which is very labor-intensive and physical, and has poor mobility, so it is not easy to install and disassemble. Therefore, we need to propose a brine freezing anti settlement system for underground structure construction. Summary of the Invention The invention aims to provide a brine freezing anti settlement system for 1
Specification underground structure construction, which has the advantages of good mobility and 10001668 good protection effect, so as to solve the problems raised in the above background technology.
In order to achieve the above purpose, the invention provides the following technical scheme: a brine freezing anti settlement system for underground structure construction, including a transport vehicle, a carriage, a base, a freezer and a battery, the carriage is arranged on one side of the transport vehicle, and the freezer includes a freezing pipe, a liquid supply pipe and a liquid return pipe, The water inlet end and drainage end of the freezing pipe are respectively connected with one side of the liquid supply pipe and the liquid return pipe, the base is located in the inner cavity of the carriage, the battery is installed on the top of the base, a damping mechanism is installed between the base and the carriage, one side of the top of the base is provided with a ventilation component, and the other side of the top of the base is provided with a water storage component,A refrigeration mechanism is installed on the top of the base; The ventilation component comprises a support, the support is fixedly installed on the top of the base, a fan is installed on one side of the support and above the refrigeration mechanism, a connecting rod is installed on one side of the top of the support, a buffer seat is installed on one side of the inner cavity of the carriage, and the top of the buffer seat is connected with the bottom of the connecting rod.
Preferably, the damping mechanism comprises a sleeve, the sleeve is installed at the four corners of the bottom of the inner cavity of the carriage, the interior of the sleeve is installed with a first spring, the top of the first spring is installed with a push rod, and the top of the push rod slides through the sleeve and extends to the 2
Specification outside of the sleeve and is bolted with the base. 1201668 Preferably, the refrigeration mechanism comprises a refrigeration unit and a refrigeration box, the refrigeration unit and the refrigeration box are installed on the top of the base, and the cooling end of the refrigeration unit is connected with the inner cavity of the refrigeration box.
Preferably, the top of the liquid return pipe is connected with a first valve, and the top of the refrigeration tank is connected with the first valve through a pipe.
Preferably, the water storage assembly comprises a water storage tank, a first water pump and a second water pump, the first water pump is installed on the top of the water storage tank and connected with the water storage tank, and the water inlet end of the first water pump is connected with the bottom of one side of the refrigeration tank.
Preferably, one side of the water storage tank is connected with the water inlet end of the second water pump, the top of the liquid supply pipe is connected with a second valve, and the drainage end of the second water pump is connected with the second valve through a pipe.
Preferably, the buffer seat comprises a shell, the bottom of the inner cavity of the shell is installed with a second spring, the top of the shell is sliding and inserted with a pressure rod, the top of the second spring is fitted with the bottom of the pressure rod, the surface of the pressure rod and located in the inner cavity of the shell is sleeved with a third spring, and the top of the pressure rod is welded with the bottom of the connecting rod.
Preferably, a skylight is arranged on the top of the carriage, and the skylight is located above the refrigeration unit.
3
Specification Compared with the prior art, the beneficial effects of the invention are: 10001668 1, 1. The invention can transport and accommodate the instruments required for frozen soil work by setting transport vehicles and carriages. Compared with the traditional building to protect the instruments, the invention improves the mobility and convenience.
2, 2. By setting a damping mechanism, the invention can carry out damping protection for the instruments in the vehicle during transportation;By setting ventilation components, the heat generated during heat exchange of the refrigeration unit can be evacuated, the refrigeration unit can be protected, and the refrigeration performance of the equipment is improved.
Description of attached drawings Fig. 1 is a structural diagram of the invention; Fig. 2 is a main cross-sectional view of the carriage of the invention; Fig. 3 is a three-dimensional structural diagram of the freezer of the invention; Fig. 4 is a diagram of the position relationship between the freezer of the invention and the ground during operation; Fig. 5 is a bottom view structural diagram of the fan of the invention; Fig. 6 is a main cross-sectional view of the buffer seat of the invention.
In the figure: 1. Transport vehicle;2. Carriage;3. Base;4. Battery;5. Freezing tube;6. Liquid supply pipe;7. Liquid return pipe;8. Damping mechanism;9. Ventilation assembly;10. Water storage components;11. Refrigeration mechanism;12. Support;13. Fan;14. Connecting rod;15. Buffer seat;16. Sleeve;17. The first spring; 18. Jacking rod;19. Refrigeration unit;20. Refrigeration box;21. First valve;22. Water storage tank;23. The first water pump;24. Second water pump;25.
4
Specification Second valve;26. Shell;27. Second spring;28. Pressure bar;29. The third spring;30. 10001668 Skylight. Specific Embodiments The technical scheme in the embodiment of the invention will be clearly and completely described below in combination with the attached drawings in the embodiment of the invention. Obviously, the described embodiments are only part of the embodiments of the invention, not all of the embodiments.Based on the embodiment of the invention, those of ordinary skill in the art have made no innovationAll other embodiments obtained under the premise of creative labor belong to the protection scope of the invention.
Referring to figure 1-6, the invention provides a technical scheme: a brine freezing anti settlement system for underground structure construction, including transport vehicle 1, carriage 2, base 3, freezer and battery 4. Carriage 2 is arranged on one side of transport vehicle 1, base 3 is located in the inner cavity of carriage 2, battery 4 is installed on the top of base 3, and through setting battery 4, The battery 4 is used to supply power to the electrical appliances of the device.
A damping mechanism 8 is installed between the base 3 and the carriage 2, a ventilation assembly 9 is arranged on one side of the top of the base 3, a water storage assembly 10 is installed on the other side of the top of the base 3, and a refrigeration mechanism 11 is installed on the top of the base 3;By setting transport vehicle 1 and carriage 2, the equipment required for frozen soil work can be transported and accommodated, which improves the mobility and convenience.
The ventilation assembly 9 includes a support 12, which is fixedly installed on the top of the base 3, a fan 13 is installed on one side of the support 12 and above
Specification the refrigeration mechanism 11, a connecting rod 14 is installed on one side of the 10001668 top of the support 12, a buffer seat 15 is installed on one side of the inner cavity of the carriage 2, and the top of the buffer seat 15 is connected with the bottom of the connecting rod 14.
A skylight 30 is arranged on the top of the carriage 2, and the skylight 30 is located above the refrigeration unit 19.By setting the skylight 30, the skylight 30 is used to facilitate the circulation of air in the compartment 2, start the fan 13, and the fan 13 extracts the heat generated by the refrigeration unit 19 and discharges it to the outside of the compartment 2 through the skylight 30, so as to realize the purpose of heat dissipation of the auxiliary refrigeration unit 19.
The damping mechanism 8 includes a sleeve 16, which is installed at the four corners of the bottom of the inner cavity of the carriage 2, the interior of the sleeve 16 is installed with a first spring 17, the top of the first spring 17 is installed with a push rod 18, and the top of the push rod 18 slides through the sleeve 16 and extends to the outside of the sleeve 16 and is bolted with the base 3;.The base 3 is used to support the instruments in the vehicle. Through the cooperation of the base 3 and the damping mechanism 8, the instruments in the vehicle can be protected when the transport vehicle 1 is running.
The base 3 drives the ejector rod 18 to move, and the ejector rod 18 pushes the first spring 17. Through the first spring 17, the bumps suffered by the base 3 can be buffered, so as to achieve the purpose of protecting the equipment in the vehicle; The buffer seat 15 includes a housing 26, the bottom of the inner cavity of the housing 26 is installed with a second spring 27, the top of the housing 26 is sliding and inserted with a pressure rod 28, the top of the second spring 27 is fitted with the 6
Specification bottom of the pressure rod 28, the surface of the pressure rod 28 and located in the 10001668 inner cavity of the housing 26 is sleeved with a third spring 29, and the top of the pressure rod 28 is welded with the bottom of the connecting rod 14.When the base 3 is bumped, it drives the support 12 to move. The support 12 compresses the compression rod 28 through the connecting rod 14, and the impact of the fan 13 can be buffered through the second spring 27 and the third spring 29, so as to achieve the purpose of protecting the fan 13.
The freezing device comprises a freezing pipe 5, a liquid supply pipe 6 and a liquid return pipe 7. The water inlet end and drainage end of the freezing pipe 5 are respectively connected with one side of the liquid supply pipe 6 and the liquid return pipe 7.The refrigeration mechanism 11 includes a refrigeration unit 19 and a refrigeration box 20. Both the refrigeration unit 19 and the refrigeration box 20 are installed on the top of the base 3, and the cooling end of the refrigeration unit 19 is connected with the inner cavity of the refrigeration box 20.The top of the liquid return pipe 7 is connected with the first valve 21, and the top of the refrigeration tank is connected with the first valve 21 through a pipe.By setting a refrigeration unit 19, the refrigeration unit 19 is used to cool the brine in the refrigeration tank 20.
The water storage assembly 10 includes a water storage tank 22, a first water pump 23 and a second water pump 24. The first water pump 23 is installed on the top of the water storage tank 22 and connected with the water storage tank 22. The water inlet end of the first water pump 23 is connected with the bottom of one side of the refrigeration tank 20.One side of the water storage tank 22 is connected with the water inlet end of the second water pump 24, the top of the liquid supply pipe 6 is connected with the second valve 25, and the drainage end of the second water 7
Specification pump 24 is connected with the second valve 25 through a pipe.By starting the first 10001668 water pump 23, the first water pump 23 transmits the cooled brine in the refrigeration tank 20 to the water storage tank 22. By starting the second water pump 24, the second water pump 24 transmits the brine to the liquid supply pipe 6, and then the brine in the liquid supply pipe 6 enters the freezing pipe 5 to suddenly freeze the water around the freezing pipe 5, and then the brine enters the liquid return pipe 7,Finally, it enters the refrigeration box 20 again through the pipeline to complete the frozen soil work.
Although the embodiments of the invention have been shown and described, it can be understood by those skilled in the art that a variety of changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principle and spirit of the invention, and the scope of the invention is limited by the appended claims and their equivalents.
8

Claims (8)

Claims LU501868
1.The utility model relates to a brine freezing anti settlement system for underground structure construction, which comprises a transport vehicle (1), a carriage (2), a base (3), a freezer and a battery (4). The carriage (2) is arranged on one side of the transport vehicle (1), and the freezer comprises a freezing pipe (5), a liquid supply pipe (6) and a liquid return pipe (7),The water inlet end and drainage end of the freezing pipe (5) are respectively connected with one side of the liquid supply pipe (6) and the liquid return pipe (7), which is characterized in that the base (3) is located in the inner cavity of the carriage (2), the battery (4) is installed on the top of the base (3), and a damping mechanism (8) is installed between the base (3) and the carriage (2),A ventilation component (9) is arranged on one side of the top of the base (3), a water storage component (10) is installed on the other side of the top of the base (3), and a refrigeration mechanism (11) is installed on the top of the base (3); The ventilation assembly (9) comprises a support (12), the support (12) is fixedly installed on the top of the base (3), a fan (13) is installed on one side of the support (12) and above the refrigeration mechanism (11), a connecting rod (14) is installed on one side of the top of the support (12), and a buffer seat (15) is installed on one side of the inner cavity of the carriage (2), The top of the buffer rod (14) is connected with the bottom of the buffer seat (15).
2. The brine freezing anti settlement system for underground structure construction according to claim 1, which is characterized in that the damping mechanism (8) comprises a sleeve (16), the sleeve (16) is installed at the four corners of the bottom of the inner cavity of the carriage (2), and the interior of the sleeve (16) is equipped with a first spring (17),A push rod (18) is installed on the top of the 9
Claims LU501868 first spring (17), and the top of the push rod (18) slides through the sleeve (16) and extends to the outside of the sleeve (16) and is bolted with the base (3).
3. The brine freezing anti settlement system for underground structure construction according to claim 1, which is characterized in that the refrigeration mechanism (11) comprises a refrigeration unit (19) and a refrigeration box (20), the refrigeration unit (19) and the refrigeration box (20) are installed on the top of the base (3), and the refrigeration end of the refrigeration unit (19) is connected with the inner cavity of the refrigeration box (20).
4. The brine freezing anti settlement system for underground structure construction according to claim 3, which is characterized in that the top of the liquid return pipe (7) is connected with the first valve (21), and the top of the refrigeration tank (20) is connected with the first valve (21) through a pipe.
5. The brine freezing anti settlement system for underground structure construction according to claim 1, which is characterized in that the water storage assembly (10) comprises a water storage tank (22), a first water pump (23) and a second water pump (24), and the first water pump (23) is installed on the top of the water storage tank (22) and connected with the water storage tank (22),The water inlet end of the first water pump (23) is communicated with the bottom of one side of the refrigeration box (20).
6. The brine freezing type anti settlement system for underground structure construction according to claim 5, which is characterized in that one side of the water storage tank (22) is connected with the water inlet end of the second water pump (24), the top of the liquid supply pipe (6) is connected with a second valve (25), and the drainage end of the second water pump (24) is connected with the second valve
Claims LU501868 (25) through a pipe.
7, The brine freezing anti settlement system for underground structure construction according to claim 1, which is characterized in that the buffer seat (15) comprises a shell (26), a second spring (27) is installed at the bottom of the inner cavity of the shell (26), and a compression rod (28) is slidably inserted at the top of the shell (26),The top of the second spring (27) fits with the bottom of the pressure rod (28), the surface of the pressure rod (28) and located in the inner cavity of the shell (26) are sleeved with a third spring (29), and the top of the pressure rod (28) is welded with the bottom of the connecting rod (14).
8. The brine freezing anti settlement system for underground structure construction according to claim 1, which is characterized in that a skylight (30) is arranged on the top of the carriage (2), and the skylight (30) is located above the refrigeration unit (19).
11
LU501868A 2022-03-25 2022-04-20 A brine freezing anti settlement system for underground structure construction LU501868B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210305041.6A CN114645537A (en) 2022-03-25 2022-03-25 A freezing formula of salt solution prevents system that subsides for underground structure construction

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Publication Number Publication Date
LU501868B1 true LU501868B1 (en) 2022-10-20

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LU501868A LU501868B1 (en) 2022-03-25 2022-04-20 A brine freezing anti settlement system for underground structure construction

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CN (1) CN114645537A (en)
LU (1) LU501868B1 (en)

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Publication number Publication date
CN114645537A (en) 2022-06-21

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Effective date: 20221020