A water draining device and method based on the principle of cold and hot cycle

By using a drainage device based on the principle of hot and cold cycles, the geological disaster problem caused by soil saturation is solved. It realizes automated, real-time monitoring and predictive drainage, prevents damage to structures, extends the life of the device, and adapts to various environments.

CN117684589BActive Publication Date: 2026-07-03CHINA RAILWAY CONSTR GROUP CO LTD +2

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA RAILWAY CONSTR GROUP CO LTD
Filing Date
2023-12-26
Publication Date
2026-07-03

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Abstract

The application discloses a water drainage device and method based on cold and hot circulation principles, which is mainly composed of a water collecting framework system, a cold and hot circulation system, a heat dissipation system and a real-time monitoring control system; the water collecting framework system mainly comprises a water collecting framework, a non-woven fabric water locking layer and a high water permeable back membrane; the cold and hot circulation system comprises a grid pipe, cooling liquid, a one-way Tesla valve and a one-way circulating pump; the heat dissipation system mainly comprises a heat dissipation fan and a heat dissipation fin; and the real-time monitoring control system mainly comprises an integrated control system and a humidity and temperature integrated controller; the method is mainly to condense the internal water into water droplets by the cooling liquid and then discharge the water droplets out of the slope or the building, so as to realize the functions of water drainage and moisture prevention. The application has good controllability, environmental protection and economy, and has stronger functions and a more extensive application range compared with the traditional retaining wall water drainage hole, a dehumidification bag and a moisture-proof pad.
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Description

Technical Field

[0001] This invention relates to a device and method for moisture prevention and drainage of retaining walls, specifically a drainage device and method based on the principle of hot and cold circulation. Background Technology

[0002] In southern regions, the climate is humid with abundant rainfall. Rainwater penetrates deeply into the soil and rock, easily leading to saturation and causing localized collapses or even large-scale landslides, disrupting people's lives and livelihoods. To address the saturation of soil and rock due to rainfall, which can trigger geological disasters, preventative measures are typically implemented, such as tension piles, anchor bolts, water interception projects, and rigid frame anti-slide piles. However, these measures are economically impractical, time-consuming, and labor-intensive, and are not effective at draining water. Furthermore, in large structures (such as retaining walls, river channels, and slope protection), high surface moisture content or inadequate installation of drainage pipes often results in high pore water pressure on the inner side of the retaining wall, causing bulging, uplift, detachment, and collapse of the structure, ultimately endangering people's lives and livelihoods. However, current engineering measures can remove pore water through drainage holes. However, some retaining structures were not designed and constructed with sufficient consideration for the impact of pore water pressure. When pore water pressure affects the retaining structure, the only solutions are prevention, blocking, and construction, which not only cause economic losses but also fail to achieve the desired drainage effect. Furthermore, these measures cannot be monitored in real-time according to local climate changes, thus failing to accurately predict when drainage is needed. Therefore, this invention addresses some of the aforementioned shortcomings and problems by preventing geological disasters from another perspective: draining water from saturated rock and soil. To achieve this drainage, an automated, real-time, and predictive drainage device is urgently needed to solve the problems encountered in practical engineering projects. Summary of the Invention

[0003] The main objective of this invention is to provide a drainage device and method based on the principle of hot and cold cycles, in order to solve the geological disasters caused by the saturation of soil and rock masses in buildings and structures due to abundant rainfall.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A water drainage device based on the principle of hot and cold circulation mainly consists of a water collection frame system, a hot and cold circulation system, a heat dissipation system, and a real-time monitoring and control system.

[0006] The water collection frame system mainly includes: a water collection frame, a non-woven fabric water-locking layer, and a highly permeable back membrane;

[0007] The hot and cold circulation system includes a grid tube, coolant, one-way Tesla valve, and one-way circulation pump;

[0008] The cooling system mainly includes: cooling fans and heat sinks;

[0009] The real-time monitoring and control system mainly includes: an integrated control system and integrated humidity and temperature controllers; their specific locations and connections are as follows:

[0010] The water collection frame mainly includes a water collection tank and a grid pipe. The grid pipe is located on the upper part of the water collection tank and is connected to the inlet of a one-way Tesla valve. The outlet of the one-way Tesla valve is connected to the lower coolant pipe, which is connected to a one-way circulation pump. The one-way circulation pump is connected to the grid pipe. Coolant flows out of the grid pipe, enters the one-way Tesla valve, flows to the lower coolant pipe, and then flows back to the grid pipe through the one-way circulation pump. The coolant flows within the coolant pipe, the one-way Tesla valve, and the one-way circulation pump. A heat sink is installed on the outside of the lower coolant pipe. A high-permeability back membrane is installed on the upper surface of the grid pipe, and a non-woven fabric water-locking layer is installed on the high-permeability back membrane. A water collection tank is located below the grid pipe. The heat sink pipe of the water collection frame is equipped with heat sinks. A cooling fan draws heat from the heat sink. The cooling fan is controlled by a control system. The control system is also connected to a temperature and humidity integrated controller, which is connected to the one-way circulation pump to control the one-way circulation pump.

[0011] The nonwoven water-locking layer is made of polyester fiber, which has excellent strength, stability, durability and non-pollution properties.

[0012] The highly permeable backing membrane is a thin film made of polymer material, which has good durability, strength, stability and non-pollution properties.

[0013] The water discharge device based on the principle of hot and cold circulation is powered by a wind turbine generator set and / or a photovoltaic generator set.

[0014] The water collection frame is made of stainless steel.

[0015] The installation method of the drainage device based on the principle of hot and cold circulation includes the following steps:

[0016] (1) The grid pipe is fixed to the water collection frame by welding, and then connected to the one-way Tesla valve, coolant storage pipe and one-way circulation pump in sequence through the conduit; finally, the energy power unit, integrated control system, humidity and temperature integrated controller, heat dissipation system and one-way circulation pump are connected in sequence through the wire;

[0017] (2) Lay the non-woven water-locking layer and the high water-permeable backing membrane sequentially on the grid pipe;

[0018] (3) Fix the heat sink to the bottom of the water collection frame, and then remove the heat through the cooling fan;

[0019] (4) Add coolant to the grid pipe and coolant storage pipe, and seal them for storage;

[0020] (5) The integrated control system, humidity and temperature integrated controller, unidirectional circulation pump and heat dissipation system are connected into a whole by using data transmission lines, so that the integrated control system can control the operation of the whole device.

[0021] The method of using the drainage device based on the principle of hot and cold circulation includes the following steps:

[0022] (1) Drilling: Drill holes at designated locations on slopes or buildings (structures) using a drilling machine, and then clean the holes;

[0023] (2) Apply cement slurry to the bottom of the water collection frame, insert the water collection frame into the groove, and then seal the opening;

[0024] (3) Real-time monitoring of pore water in soil and rock.

[0025] The grid tube provides a flow path for the coolant, the one-way Tesla valve enables the coolant to flow in one direction, the integrated control system can control the operation of the entire unit, and the integrated temperature and humidity controller can monitor the temperature and humidity of the atmosphere and building in real time.

[0026] Compared with existing technologies for drainage and seepage control in buildings (structures), the technical solution of this application has the following advantages:

[0027] (1) The present invention can be applied to a variety of environmental factors, such as serving as a drainage hole in a retaining wall, a reservoir dam, and areas where landslides frequently occur.

[0028] (2) This invention employs a multifunctional structure, namely a non-woven water-locking layer and a highly permeable backing membrane. This structure can be used to prevent buildings (structures) from experiencing large amounts of salt dissolution or crystallization expansion due to pore water, thereby achieving an environmentally friendly effect. Compared to the drainage holes of traditional retaining walls, it can retain soluble salts within the original structure, avoiding the occurrence of "frost".

[0029] (3) The present invention can monitor the humidity and temperature of buildings (structures) in real time, thereby enabling the device to operate automatically and making the device predictable.

[0030] (4) The service life of this device can be greatly extended by replacing the non-woven water-locking layer and the high water-permeable back membrane.

[0031] (5) Through the integrated control system, the humidity and temperature of the atmospheric environment, as well as the humidity and temperature of buildings and structures, can be monitored in real time, and the device can be operated automatically to achieve the purpose of water discharge. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the structure of the present invention.

[0033] Figure 2 This is a schematic diagram of the water collection frame.

[0034] Figure 3 This is the left view of a schematic diagram of the water collection frame structure.

[0035] Figure 4 This is a schematic diagram of the nonwoven fabric water-locking layer structure.

[0036] Figure 5 This is a schematic diagram of a high-permeability backsheet.

[0037] Figure 6 This is a schematic diagram illustrating the structure and use of the drainage device of the present invention.

[0038] In the diagram, 1 is a non-woven water-locking layer; 2 is a highly permeable back membrane; 3 is a grid pipe; 4 is a one-way Tesla valve; 5 is a water collection system; 6 is a coolant; 7 is a heat sink; 8 is a conduit; 9 is a cooling fan; 10 is an integrated control system; 11 is wires and cables; 12 is a one-way circulation pump; 13 is a valve; 14 is a temperature and humidity integrated controller; 15 is a wind and photovoltaic power generation system; 16 is a water collection framework; 17 is a rock and soil mass; and 18 is pore water. Detailed Implementation

[0039] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0040] Example 1

[0041] like Figure 1 , Figure 2 and Figure 3 As shown, the water drainage device based on the principle of hot and cold circulation according to the present invention mainly includes: a non-woven fabric water-locking layer 1, a high-permeability back membrane 2, and a grid pipe 3. The non-woven fabric water-locking layer 1 is disposed on the high-permeability back membrane 2; the high-permeability back membrane 2 is disposed on the grid pipe 3; the grid pipe 3 is disposed on a 16-cell water collection frame and is fixed with bolts. Coolant 6 is contained inside the grid pipe 3. After flowing through the grid pipe 3, the coolant 6 passes through a one-way Tesla valve 4 and flows into a lower pipe. The lower pipe is externally connected to a heat sink 7. After the coolant 6 is cooled by the heat sink, it is pumped into the grid pipe 3 by a one-way circulation pump 12. The one-way Tesla valve 4 prevents the coolant 6 from flowing back. The main components of the coolant 6 are nitrogen, carbon dioxide, Freon, and propane.

[0042] The heat sink 7 draws out the heat from the coolant via the cooling fan 9. The integrated control system 10 monitors the data from the humidity and temperature integrated controller 14 in real time and controls the cooling fan 9 and the unidirectional circulation pump 12 based on the real-time monitoring data. The humidity and temperature integrated controller 14 uses a controller with built-in temperature and humidity sensors. The control system 10 drives the entire system based on factors such as atmospheric humidity, rainfall forecasts, and the internal water content of the soil and rock.

[0043] The wind and photovoltaic generator set 15 provides energy to the cooling fan 9, the integrated control system 10, the one-way circulation pump 12, and the humidity and temperature integrated controller 14; the water collection 5 is the water droplets liquefied from the water vapor obtained during the operation of this device, which slowly gather in the water collection frame 16, and finally drain the water through the valve 13, thereby achieving the purpose of water discharge and drainage.

[0044] Example 2

[0045] The installation method of the water drainage device based on the principle of hot and cold circulation described in this invention is as follows.

[0046] (1) The grid tube is fixed to the water collection frame by welding, and the one-way Tesla valve, coolant storage tube, and one-way circulation pump are connected in sequence through the conduit and then connected back to the grid tube so that the coolant can form a circulation; the energy power unit, integrated control system, humidity and temperature integrated controller, heat dissipation system and one-way circulation pump are connected in sequence through the wire;

[0047] (2) Lay the non-woven water-locking layer and the high water-permeable backing membrane sequentially on the grid pipe;

[0048] (3) Fix the heat sink to the bottom of the water collection frame, and then remove the heat through the cooling fan;

[0049] (4) Add coolant to the grid pipe and coolant storage pipe, and seal them for storage;

[0050] (5) The integrated control system, humidity and temperature integrated controller, unidirectional circulation pump and heat dissipation system are connected into a whole by using data transmission lines, so that the integrated control system can control the operation of the whole device.

[0051] like Figure 6 As shown, in use, the device of the present invention comprises a non-woven fabric water-locking layer 1, a highly permeable back membrane 2, a grid pipe 3, a one-way Tesla valve 4, a coolant 6, a heat sink 7, and a water collection frame 16 disposed within the rock and soil body. A one-way circulation pump 12, a valve 13, a temperature and humidity integrated controller 14, a cooling fan 9, and an integrated control system 10 are disposed outside the rock and soil body. The specific setup steps are as follows:

[0052] (1) Drilling: Drill holes at designated locations on slopes or buildings (structures) using a drilling machine, and then clean the holes;

[0053] (2) Apply cement slurry to the bottom of the water collection frame, insert the water collection frame into the groove, and then seal the opening;

[0054] (3) Real-time monitoring of pore water in soil and rock: When the humidity in the air is high and the temperature exceeds the set threshold, the temperature and humidity integrated controller 14 starts the one-way circulation pump 12 to circulate the coolant inside, thereby reducing the temperature and causing water vapor to condense into water droplets and accumulate in the water collection tank. After absorbing the heat of the water, the coolant flows to the lower part through the one-way Tesla valve and dissipates heat through the heat sink. The heat from the heat sink is extracted by the cooling fan. When the integrated control system 10 receives a signal that precipitation is about to occur, the integrated control system 10 sends a control signal to the temperature and humidity integrated controller 14, and the temperature and humidity integrated controller 14 uses the one-way circulation pump 12 to reduce the humidity of the slope and building in advance.

[0055] The above embodiments are merely illustrative of the present invention and are not intended to limit the present invention. Any equivalent structural or procedural exchanges made based on the content of the present invention specification and drawings, or direct (indirect) applications in other related technical fields, are all within the protection scope of the present invention.

Claims

1. A water draining device based on the principle of cold and hot cycle, characterized in that, It mainly consists of a water collection frame system, a hot and cold circulation system, a heat dissipation system, and a real-time monitoring and control system; The water collection frame system mainly includes: a water collection frame, a non-woven fabric water-locking layer, and a highly permeable back membrane; The hot and cold circulation system includes a grid tube, coolant, one-way Tesla valve, and one-way circulation pump; The cooling system mainly includes: cooling fans and heat sinks; The real-time monitoring and control system mainly includes: an integrated control system and integrated humidity and temperature controllers; their specific locations and connections are as follows: The water collection frame mainly includes a water collection tank and a grid pipe. The grid pipe is located on the upper part of the water collection tank and is connected to the inlet of a one-way Tesla valve. The outlet of the one-way Tesla valve is connected to the lower coolant pipe, which is connected to a one-way circulation pump. The one-way circulation pump is connected to the grid pipe. Coolant flows out of the grid pipe, enters the one-way Tesla valve, flows to the lower coolant pipe, and then flows back to the grid pipe through the one-way circulation pump. The coolant flows within the coolant pipe, the one-way Tesla valve, and the one-way circulation pump. A heat sink is installed on the outside of the lower coolant pipe. A high-permeability back membrane is installed on the upper surface of the grid pipe, and a non-woven fabric water-locking layer is installed on the high-permeability back membrane. A water collection tank is located below the grid pipe. The heat sink pipe of the water collection frame is equipped with heat sinks. A cooling fan draws heat from the heat sink. The cooling fan is controlled by a control system. The control system is also connected to a temperature and humidity integrated controller, which is connected to the one-way circulation pump to control the one-way circulation pump.

2. The drain device based on the principle of cold and hot cycle according to claim 1, characterized in that: The nonwoven water-locking layer is made of polyester fiber.

3. The water draining device based on the principle of cold and hot cycle according to claim 1, characterized in that: The highly permeable back membrane is a thin film made of polymer material.

4. The water draining device based on the principle of cold and hot cycle according to claim 1, characterized in that: The water discharge device based on the principle of hot and cold circulation is powered by a wind turbine generator set and / or a photovoltaic generator set.

5. The water draining device based on the principle of cold and hot cycle according to claim 1, characterized in that: The water collection frame is made of stainless steel.

6. The installation method of the drainage device based on the principle of hot and cold circulation as described in claim 1, characterized in that: Includes the following steps: (1) The grid pipe is fixed to the water collection frame by welding, and then connected to the one-way Tesla valve, coolant storage pipe and one-way circulation pump in sequence through the conduit; finally, the energy power unit, integrated control system, humidity and temperature integrated controller, heat dissipation system and one-way circulation pump are connected in sequence through the wire; (2) Lay the non-woven water-locking layer and the high water-permeable backing membrane sequentially on the grid pipe; (3) Fix the heat sink to the bottom of the water collection frame, and then remove the heat through the cooling fan; (4) Add coolant to the grid pipe and coolant storage pipe, and seal them for storage; (5) The integrated control system, humidity and temperature integrated controller, unidirectional circulation pump and heat dissipation system are connected into a whole by using data transmission lines, so that the integrated control system can control the operation of the whole device.