Multi-path cooling cross-seasonal natural ice storage and cold supply system

Abstract

The invention discloses a multi-path cold taking cross-seasonal natural ice storage and cold supply system which comprises an ice storage and cold supply body device and a layered cold taking device, and collaborative optimization of cross-seasonal cold storage and efficient cold supply is achieved through functional integration. Three sets of parallel heat exchange pipe networks are arranged in the ice storage and cold supply body device, outdoor low-temperature cold air naturally flows into the pipe networks in winter and exchanges heat with water serving as a cold storage material, the water is frozen into ice, and the ice making and cold storage functions driven by natural cold energy are achieved. In transition seasons, an inlet and an outlet of the heat exchange pipe network are closed and combined with a composite thermal insulation material to reduce cold loss and ensure long-term storage of cold; in summer, the layered cooler communicates with the horizontal heat exchange pipe network through the pipeline connecting part, the cooling path is dynamically adjusted, the cooling capacity requirement of a user side is accurately matched, the cold source utilization efficiency is improved, and the cooling capacity loss is reduced. According to the system, the adaptability and reliability of system operation are remarkably improved while efficient cold storage and flexible cold supply of natural cold energy are achieved.

Description

Technical Field

[0001] The present invention belongs to the technical field of renewable energy low-carbon cooling, and in particular relates to a multi-path cooling cross-seasonal natural ice storage cooling system. Background Art

[0002] From the perspective of global energy consumption, building energy consumption accounts for as much as 36%. Today, the global annual cooling demand leads to about 4% of greenhouse gas emissions and consumes 10% of the world's electricity. In 2019, the energy consumed by large space cooling accounted for about 15% of the total air conditioning energy consumption, equivalent to indirect emissions of 1Gt of carbon dioxide. In addition, the existing refrigeration methods consume a lot of energy, and the installed capacity and power consumption of air conditioners are increasing, resulting in increasing energy consumption in building operations.

[0003] In order to effectively reduce the energy consumption of building cooling, promote building energy conservation and energy structure transformation, the cross-season ice storage cooling technology that uses the natural cold in winter for cross-season storage and provides cooling in summer can reduce the energy consumption and carbon emissions of the building air-conditioning and refrigeration system.

[0004] At present, the storage space of most inter-seasonal ice storage cooling systems is located underground. They usually use high-performance one-way heat transfer elements, split heat pipes, to transfer the cold air from the outdoor cold air to the underground for storage. The temperature stability of the underground soil environment and the characteristics of being unaffected by solar radiation, as well as the advantages of one-way heat transfer of heat pipes, help reduce the loss of cold air. However, this type of underground inter-seasonal ice storage system based on heat pipes still has the following problems: 1) The cooling system is complex, the investment cost is high, and the payback period is usually as long as 8-10 years; 2) The storage capacity requirements are large, and the underground heat pipes are difficult to maintain; 3) Most systems use split heat pipes for cooling, the fault location is difficult to diagnose, and the maintenance cost is high, which further prolongs the payback period of the inter-seasonal ice storage system. Therefore, the development of a low-cost inter-seasonal ice storage cooling device is crucial to achieve low-energy cooling of buildings. Summary of the invention

[0005] The main purpose of the present invention is to provide a multi-path cooling system for cross-seasonal natural ice storage and cooling. The specific technical solution is as follows:

[0006] A multi-path cooling cross-seasonal natural ice storage cooling system, comprising an ice storage cooling body device and a stratified cooling device;

[0007] The ice storage cooling device is composed of an ice storage cooling barrel, a composite thermal insulation material and a parallel heat exchange pipe network;

[0008] Three sets of parallel heat exchange pipe networks are evenly distributed in the ice storage cold supply barrel, one side of the parallel heat exchange pipe network serves as the heat exchange fluid inlet, and the other side serves as the outlet;

[0009] The outer wall of the ice storage cooling barrel is coated with a composite insulation material, the top is provided with an insulation outer plate, and the interior is filled with water as a cooling material;

[0010] The stratified cooling device is composed of an inlet top air valve, an inlet bottom air valve, an outlet top air valve, an outlet bottom air valve, a detachable pipe connection component, a pipe fixing component, a fan and a module branch air duct;

[0011] Both sides of the parallel heat exchange pipe network are equipped with detachable pipe connection components and filters, and the branch air duct is connected to the parallel heat exchange pipe network through the detachable pipe connection components; the filter is arranged at the inlet end of the parallel heat exchange pipe network to remove particulate matter and impurities in the outdoor air;

[0012] The positions of the inlet top air valve, the inlet bottom air valve, the outlet top air valve and the outlet bottom air valve are set at the vertical pipe section of the module branch air duct; and a dynamic control mechanism is adopted to adjust the opening and closing states according to the different cooling requirements of the user end, forming a multi-level output, realizing the multi-level output and path optimization of cooling capacity;

[0013] The fans are arranged inside the horizontal tubes on both sides of the module branch air duct;

[0014] The module branch air ducts on both sides of the ice storage cooling body device are combined and directly connected to the user terminal to form an air conditioning fan coil to cool the room;

[0015] In winter, outdoor cold air naturally flows into the horizontal heat exchange pipe network, exchanges heat with the cold storage material, and freezes water into ice, completing the ice making and cold storage process;

[0016] Through the horizontal heat exchange pipe network inlet and outlet of the closed ice storage cooling device, combined with composite insulation materials to reduce cold loss, an ice storage mode for transition seasons is formed;

[0017] The ice storage cooling body device is combined with the stratified cooling device through a detachable pipeline connection component. The cold energy is transferred from the ice storage cooling body to the heat exchange fluid in the stratified cooling device, and then transported to the user end, forming a summer cooling release mode.

[0018] The multi-path cooling and cross-seasonal natural ice storage cooling system has a preferred solution in which the composite thermal insulation material adopts a double-layer combination design of an outer layer of high-strength concrete and an inner layer of rubber-plastic thermal insulation cotton; the concrete layer is used to provide structural strength and external environmental isolation protection, and the rubber-plastic thermal insulation cotton reduces cold loss through efficient thermal insulation performance, thereby ensuring the long-term stability of the system operation.

[0019] The preferred embodiment of the multi-path cooling and cross-seasonal natural ice storage cooling system is that the ice storage cooling barrel is a stainless steel barrel.

[0020] The multi-path cooling and cross-seasonal natural ice storage cooling system has a preferred solution in which the pipes of the parallel heat exchange pipe network and the stratified cooling device are both air ducts, and are both made of high-performance stainless steel.

[0021] The multi-path cooling and cross-seasonal natural ice storage cooling system has a preferred solution in which the detachable pipe connection components can be quickly switched between different working modes; and the pipe fixing components are made of high-strength corrosion-resistant materials to ensure long-term operational reliability.

[0022] The multi-path cooling system for natural ice storage and cooling across seasons has a preferred solution in which the ice storage and cooling barrel is 3 meters high, and the horizontal heat exchange pipe network is arranged in the ice storage and cooling barrel to form an efficient heat transfer network, thereby avoiding insufficient local heat transfer and improving the cooling efficiency and overall system performance.

[0023] Two parallel heat exchange tubes form a set of parallel heat exchange pipe networks, which are divided into three layers according to the height of the ice storage and cooling barrel. The distance between each layer is 1 meter. Each set of horizontal heat exchange pipe networks is arranged at the center of each layer in an unfolded axially symmetrical form.

[0024] The multi-path cooling and cross-seasonal natural ice storage cooling system has a preferred solution in which the stratified cooling device dynamically adjusts the air valve in the stratified cooling device according to the different cooling demands of the energy-consuming end to form a multi-path cooling distribution, thereby achieving accurate transmission and efficient utilization of cooling.

[0025] The multi-path cold-taking cross-seasonal natural ice storage cooling system has a preferred embodiment that the device has three operating modes; the first winter ice-making mode: in winter, the device starts the ice-making mode and opens the inlet and outlet of the horizontal heat exchange network inside the ice storage cooling body; the outdoor low-temperature cold air naturally flows into the horizontal heat exchange network, and the outdoor cold air flows in the parallel heat exchange network, exchanges heat with the phase change material-water in the barrel, and quickly completes the freezing process; by optimizing the layout of the horizontal heat exchange network, the contact time between cold air and water is extended, the generation of heat exchange dead zones is avoided, the heat exchange efficiency is improved, and it is ensured that water is frozen into ice in a short time, thereby realizing efficient ice-making driven by natural cold energy.

[0026] The second transitional season ice storage mode: In the transitional season, the device switches to the ice storage mode, seals the inlet and outlet of the horizontal heat exchange pipe network inside the ice storage cooling body, and combines the external composite insulation material to reduce the loss of cold. The double-layer composite insulation material works synergistically with the low-temperature environment to effectively maintain the low temperature state inside the ice storage body, ensuring long-term preservation of cold, and providing a stable cold source guarantee for summer cooling.

[0027] The third summer cooling mode: in summer, the device switches to the cooling mode, and connects the stratified cooling device with the horizontal heat exchange network through the detachable pipe connection parts; the cold energy is transferred from the ice storage cooling body to the heat exchange fluid in the stratified cooling device, and then transported to the end user through the cooling end; the system adjusts the cooling energy distribution path through the air valve according to the cooling load demand at the user end.

[0028] The multi-path cooling system for inter-seasonal natural ice storage and cooling, the preferred solution of which is to adjust the cooling capacity distribution path into low cooling capacity demand, medium cooling capacity demand and high cooling capacity demand;

[0029] In case of low cooling demand: activate a single set of horizontal heat exchange pipe network, close the top air valve of the inlet, the bottom air valve of the inlet, the top air valve of the outlet and the bottom air valve of the outlet, limit the flow trajectory of the heat exchange fluid, and accurately control the cooling range;

[0030] Intercooling demand: activate two sets of horizontal heat exchange pipe networks, open the top air valve at the inlet and the top air valve at the outlet, close the bottom air valve at the inlet and the bottom air valve at the outlet, and expand the flow path of the heat exchange fluid;

[0031] High cooling demand: Activate all three sets of horizontal heat exchange pipe networks, fully open the inlet top air valve, inlet bottom air valve, outlet top air valve and outlet bottom air valve to form the maximum cooling output path and complete the cooling process.

[0032] A multi-path cold-taking cross-seasonal natural ice storage cooling system. The working principle of the ice-making mode is as follows: when the system enters the ice-making mode, the water temperature in the ice storage cooling body is about 8°C. The inlet and outlet of the horizontal heat exchange network are opened, and the outdoor cold air naturally flows into the network in winter, exchanges heat with the phase change material-water in the barrel, freezes the water into ice, and realizes the ice-making and cold storage function driven by natural cold energy. The optimized design of the heat exchange network extends the flow path of the cold air, increases the heat exchange area and contact time, and thus significantly improves the heat exchange efficiency. The layout of the network effectively avoids the generation of heat exchange dead zones, maximizes the contact area between cold air and water, and reduces the impact of the thermal isolation area on the heat exchange performance. In addition, to ensure the reliability of the system operation, the inlet and outlet of the heat exchange network are equipped with filters, which can effectively remove particulate matter and impurities in the air, ensure the cleanliness of the cold air, reduce damage to the system and extend the service life of the device.

[0033] The working principle of ice storage mode is as follows: after the ice making process is completed, the system switches to ice storage mode. The inlet and outlet of the horizontal heat exchange pipe network are closed. The double-layer structure of the outer concrete layer and the inner rubber-plastic insulation cotton works together to effectively isolate the external heat source; combined with the protective effect of the internal low-temperature air, the loss of cold energy is minimized to ensure that the cold energy in the ice storage body can be preserved for a long time, providing reliable guarantee for summer cooling.

[0034] The working principle of the cooling mode is as follows: when the system switches to the cooling mode, the inlet and outlet of the horizontal heat exchange network are opened, and the stratified cooler is connected to the horizontal heat exchange network through the pipeline connection components. The cold energy is transferred from the ice storage cooling body to the heat exchange fluid in the stratified cooler, and finally supplied to the end user through the cooling end.

[0035] Beneficial Effects

[0036] 1. Realize the ice-making and cold storage function driven by natural cold energy to avoid the problem of high energy consumption in ice-making

[0037] The present invention utilizes the low-temperature cold air from the outdoors to flow naturally into the horizontal heat exchange pipe network built into the ice storage cooling body device in winter, and exchanges heat with the cold storage material in the device, namely water, to achieve the ice making and cold storage function under natural conditions. By optimizing the design of the heat exchange pipe network, the heat exchange efficiency between cold air and water is improved, the high energy consumption problem of the traditional mechanical ice making process is avoided, and the defects of complex structure, high cost and poor economy in ice making based on the heat pipe system are overcome, thus significantly improving the efficiency and economy of ice making.

[0038] 2.Flexibly meet the cooling demand of the energy-consuming end and significantly improve the cooling adaptability of the system

[0039] According to the different cooling demands of the energy-consuming end, the present invention relies on the dynamic control capability of the air valve in the stratified cooling device to flexibly formulate the cooling path of the ice storage cooling body. By selectively activating the horizontal heat exchange network, it can not only accurately match the cooling demand of the user, but also minimize the cooling loss in the ice storage cooling body, significantly improving the utilization rate of the cold source. In addition, this flexible cooling mode ensures the reliability of the system in long-term operation, and is particularly suitable for complex scenarios with diverse user needs.

[0040] 3. Innovative system structure and functional integration design, significantly improving performance and reliability

[0041] The present invention realizes the coordinated optimization of cross-seasonal cold storage and efficient cold supply through the functional integration of the ice storage cold supply device and the stratified cold taker. The ice storage cold supply device adopts the coordinated design of composite insulation materials, stainless steel barrels and horizontal heat exchange pipes to construct a cold storage device with excellent heat transfer efficiency and long-term cold storage capacity. Among them, the outer layer of the composite insulation material is high-strength concrete, which provides mechanical strength and environmental isolation protection; the inner layer adopts high-efficiency rubber and plastic insulation cotton, which has excellent thermal insulation performance and can minimize cold loss. The stainless steel barrel and the horizontal heat exchange pipe network have excellent corrosion resistance and thermal stability, and are adapted to low-temperature operating environments. At the same time, the optimized heat exchange pipe network layout significantly reduces the occurrence of heat exchange dead zones and improves heat transfer efficiency and phase change performance.

[0042] On this basis, the layered cooling device realizes the modular dynamic control function. It is composed of branch air ducts, air valves, fans and precision pipe connectors. Through the precise control of the air valves, it can meet the diverse cooling needs of the user end and retain the remaining cooling capacity in the ice storage body to the greatest extent during the cooling process. This structural design not only significantly improves the utilization efficiency of the cold source, but also ensures the long-term stability and adaptability of the system under complex operating conditions, providing reliable guarantee for low-energy cooling of buildings in multiple scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 A schematic diagram of the structure of a multi-path cooling system for cross-seasonal natural ice storage;

[0044] Figure 2 This is a schematic diagram of the structure of an ice storage cooling device;

[0045] Figure 3 The internal temperature distribution diagram of all heat exchange pipe networks opened for the inter-seasonal ice storage cooling system.

[0046] Among them: 1-ice storage cooling barrel, 2-composite insulation layer, 3-horizontal heat exchange pipe network, 4-filter, 5-inlet top air valve, 6-inlet bottom air valve, 7-outlet top air valve, 8-outlet bottom air valve, 9-pipe detachable connecting parts, 10-pipe fixer, 11-fan, 12-branch pipe, 13-air conditioning fan coil. DETAILED DESCRIPTION

[0047] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0048] like Figure 1-3 As shown, a multi-path cooling system for cross-seasonal natural ice storage and cooling includes an ice storage cooling device and a stratified cooling device;

[0049] The ice storage cooling body device is composed of an ice storage cooling barrel 1, a composite thermal insulation material 2 and a parallel heat exchange pipe network 3;

[0050] Three sets of parallel heat exchange pipe networks 3 are evenly distributed in the ice storage and cooling barrel 1, one side of the parallel heat exchange pipe network 3 is used as the heat exchange fluid inlet, and the other side is used as the outlet;

[0051] The outer wall of the ice storage and cooling barrel 1 is covered with a composite insulation material 2, and an insulation outer plate is provided on the top, and water is used as a cooling material inside;

[0052] The stratified cooling device is composed of an inlet top air valve 5, an inlet bottom air valve 6, an outlet top air valve 7, an outlet bottom air valve 8, a detachable pipe connecting component 9, a pipe fixing component 10, a fan 11 and a module branch air duct 12;

[0053] Both sides of the parallel heat exchange pipe network 3 are installed with a detachable pipe connection component 9 and a filter 4, and its branch air duct 12 is connected to the parallel heat exchange pipe network 3 through the detachable pipe connection component 9; the filter 4 is arranged at the inlet end of the parallel heat exchange pipe network 3, and is used to remove particulate matter and impurities in the outdoor air;

[0054] The inlet top air valve 5, the inlet bottom air valve 6, the outlet top air valve 7, and the outlet bottom air valve 8 are arranged at the vertical pipe section of the module branch air duct 12; and a dynamic control mechanism is adopted to adjust the opening and closing states according to the different cooling requirements of the user end, forming a multi-level output, realizing the multi-level output and path optimization of cooling capacity;

[0055] The fan 11 is arranged inside the horizontal tubes on both sides of the module branch air duct 12;

[0056] The module branch air ducts 12 on both sides of the ice storage cooling body device are combined and directly connected to the user terminal to form an air conditioning fan coil 13 to cool the room;

[0057] In winter, outdoor cold air naturally flows into the horizontal heat exchange pipe network 3, exchanges heat with the cold storage material, and freezes water into ice, completing the ice making and cold storage process;

[0058] Through the inlet and outlet of the horizontal heat exchange pipe network 3 of the closed ice storage cooling body device, combined with the composite insulation material to reduce the loss of cold capacity, an ice storage mode for the transition season is formed;

[0059] The ice storage cooling body device is combined with the stratified cooling device through a detachable pipeline connection component 9, and the cold energy is transferred from the ice storage cooling body to the heat exchange fluid in the stratified cooling device, and then transported to the user end, forming a summer cooling mode.

[0060] The composite thermal insulation material 2 adopts a double-layer combination design of an outer layer of high-strength concrete and an inner layer of rubber-plastic thermal insulation cotton; the concrete layer is used to provide structural strength and external environmental isolation protection, and the rubber-plastic thermal insulation cotton reduces cold loss through efficient thermal insulation performance to ensure the long-term stability of system operation.

[0061] The ice storage and cooling barrel body 1 is a stainless steel barrel body.

[0062] The parallel heat exchange pipe network 3 and the pipes of the stratified cooler are both air ducts, and are both made of high-performance stainless steel.

[0063] The pipeline detachable connecting component 9 can be quickly switched between different working modes; the pipeline fixing component 10 is made of high-strength corrosion-resistant material to ensure the reliability of long-term operation.

[0064] The ice storage and cooling barrel 1 is 3 meters high, and the horizontal heat exchange pipe network 3 is formed into an efficient heat transfer network through optimized arrangement in the ice storage and cooling barrel 1, thereby avoiding insufficient local heat transfer and improving the cooling efficiency and overall system performance;

[0065] Two parallel heat exchange pipes form a set of parallel heat exchange pipe networks 3, which are divided into three layers according to the height of the ice storage and cooling barrel 1. The distance between each layer is 1 meter. Each set of horizontal heat exchange pipe networks 3 is arranged at the center of each layer in an unfolded axially symmetrical form.

[0066] The stratified cooling device forms a multi-path cooling distribution by dynamically adjusting the air valve in the stratified cooling device according to the different cooling demands of the energy-consuming end, thereby achieving accurate transmission and efficient use of cooling.

[0067] The device has three operating modes; the first one is the winter ice-making mode: in winter, the device starts the ice-making mode and opens the inlet and outlet of the horizontal heat exchange network 3 inside the ice storage cooling body; the outdoor low-temperature cold air naturally flows into the horizontal heat exchange network 3, and the outdoor cold air flows in the parallel heat exchange network 3, exchanges heat with the phase change material-water in the barrel, and quickly completes the freezing process; by optimizing the layout of the horizontal heat exchange network 3, the contact time between cold air and water is extended, the heat exchange dead zone is avoided, the heat exchange efficiency is improved, and it is ensured that the water is frozen into ice in a short time, so as to realize efficient ice making driven by natural cold energy.

[0068] The second transitional season ice storage mode: In the transitional season, the device switches to the ice storage mode, seals the inlet and outlet of the horizontal heat exchange pipe network 3 inside the ice storage cooling body, and combines the external composite insulation material 2 to reduce the loss of cold. The double-layer composite insulation material 2 works synergistically with the low-temperature environment to effectively maintain the low temperature state inside the ice storage body, ensuring long-term preservation of cold, and providing a stable cold source guarantee for summer cooling.

[0069] The third summer cooling mode: in summer, the device switches to the cooling mode, and connects the stratified cooling device with the horizontal heat exchange network 3 through the detachable pipe connection component 9; the cold energy is transferred from the ice storage cooling body to the heat exchange fluid in the stratified cooling device, and then transported to the end user through the cooling end; the system adjusts the cooling energy distribution path through the air valve according to the cooling load demand at the user end.

[0070] Adjust the cooling capacity distribution path to be divided into low cooling capacity demand, medium cooling capacity demand and high cooling capacity demand;

[0071] In case of low cooling demand: activate a single set of horizontal heat exchange pipe network 3, close the inlet top air valve 5, the inlet bottom air valve 6, the outlet top air valve 7 and the outlet bottom air valve 8, limit the flow trajectory of the heat exchange fluid, and accurately control the cooling range;

[0072] Intercooling demand: activate two sets of horizontal heat exchange pipe networks 3, open the inlet top air valve 5 and the outlet top air valve 7, close the inlet bottom air valve 6 and the outlet bottom air valve 8, and expand the flow path of the heat exchange fluid;

[0073] High cooling demand: Activate all three sets of horizontal heat exchange pipe networks 3, fully open the inlet top air valve 5, the inlet bottom air valve 6, the outlet top air valve 7 and the outlet bottom air valve 8 to form the maximum cooling output path and complete the cooling process.

[0074] A multi-path cold-taking cross-seasonal natural ice storage cooling system. The working principle of the ice-making mode is as follows: when the system enters the ice-making mode, the water temperature in the ice storage cooling body is about 8°C. The inlet and outlet of the horizontal heat exchange network are opened, and the outdoor cold air naturally flows into the network in winter, exchanges heat with the water, and freezes the water into ice, realizing the ice-making and cold storage function driven by natural cold energy. The optimized design of the heat exchange network extends the flow path of the cold air, increases the heat exchange area and contact time, and thus significantly improves the heat exchange efficiency. The layout of the network effectively avoids the generation of heat exchange dead zones, maximizes the contact area between cold air and water, and reduces the impact of the thermal isolation area on the heat exchange performance. In addition, to ensure the reliability of the system operation, the inlet and outlet of the heat exchange network are equipped with filters, which can effectively remove particulate matter and impurities in the air, ensure the cleanliness of the cold air, reduce damage to the system and extend the service life of the device.

[0075] The working principle of ice storage mode is as follows: after the ice making process is completed, the system switches to ice storage mode. The inlet and outlet of the horizontal heat exchange pipe network are closed. The double-layer structure of the outer concrete layer and the inner rubber-plastic insulation cotton works together to effectively isolate the external heat source; combined with the protective effect of the internal low-temperature air, the loss of cold energy is minimized to ensure that the cold energy in the ice storage body can be preserved for a long time, providing reliable guarantee for summer cooling.

[0076] The working principle of the cooling mode is as follows: when the system switches to the cooling mode, the inlet and outlet of the horizontal heat exchange network are opened, and the stratified cooler is connected to the horizontal heat exchange network through the pipeline connection components. The cold energy is transferred from the ice storage cooling body to the heat exchange fluid in the stratified cooler, and finally supplied to the end user through the cooling end.

[0077] Unless otherwise stated, any technical solution disclosed in the present invention disclosed above, if it discloses a numerical range, then the disclosed numerical range is a preferred numerical range, and any technician in the field should understand that the preferred numerical range is only a numerical value with a more obvious technical effect or representative value among many implementable numerical values. Since there are too many numerical values ​​to be exhaustive, the present invention discloses some numerical values ​​to illustrate the technical solution of the present invention, and the numerical values ​​listed above should not constitute a limitation on the scope of protection of the present invention.

[0078] At the same time, if the above-mentioned invention discloses or involves components or structural parts that are fixedly connected to each other, then, unless otherwise stated, the fixed connection can be understood as: a detachable fixed connection, or can be understood as: a non-detachable fixed connection. Of course, the fixed connection to each other can also be replaced by an integrated structure.

[0079] In addition, unless otherwise stated, the terms used in any technical solution disclosed in the present invention to indicate positional relationships or shapes include states or shapes that are similar, similar or close thereto. Any component provided by the present invention may be assembled from multiple separate components or may be a separate component manufactured by an integrated molding process.

[0080] The above embodiments are only examples to clearly illustrate the present invention, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. The obvious changes or modifications derived from these are still within the scope of protection of the present invention.

Claims

1. A multi-path cooling system for cross-seasonal natural ice storage and cooling, characterized by: It includes an ice storage cooling device and a stratified cooling device; The ice storage cooling body device is composed of an ice storage cooling barrel (1), a composite heat-insulating material (2) and a parallel heat exchange pipe network (3); Three sets of parallel heat exchange pipe networks (3) are evenly distributed in the ice storage cold supply barrel (1), one side of the parallel heat exchange pipe network (3) serves as an inlet for the heat exchange fluid, and the other side serves as an outlet; The outer wall of the ice storage cooling barrel (1) is coated with a composite heat-insulating material (2), a heat-insulating outer plate is provided on the top, and water is used as a cold storage material inside; The stratified cooling device is composed of an inlet top air valve (5), an inlet bottom air valve (6), an outlet top air valve (7), an outlet bottom air valve (8), a detachable pipeline connecting component (9), a pipeline fixing component (10), a fan (11) and a module branch air duct (12); Both sides of the parallel heat exchange pipe network (3) are equipped with detachable pipe connection components (9) and filters (4), and the branch air duct (12) is connected to the parallel heat exchange pipe network (3) via the detachable pipe connection components (9); the filter (4) is arranged at the inlet end of the parallel heat exchange pipe network (3) and is used to remove particulate matter and impurities in the outdoor air; The inlet top air valve (5), the inlet bottom air valve (6), the outlet top air valve (7), and the outlet bottom air valve (8) are arranged at the vertical pipe section of the module branch air duct (12); and a dynamic control mechanism is adopted to adjust the opening and closing states according to different cooling demands of the user end, so as to form a multi-level output and realize the multi-level output and path optimization of cooling; The fans (11) are arranged inside the horizontal tubes on both sides of the module branch air duct (12); The modular branch air ducts (12) on both sides of the ice storage cooling body device are combined and directly connected to the user terminal to form an air conditioning fan coil (13) to cool the room; In winter, outdoor cold air naturally flows into the horizontal heat exchange pipe network (3), exchanges heat with the cold storage material, and freezes water into ice, completing the ice making and cold storage process; The inlet and outlet of the horizontal heat exchange pipe network (3) of the sealed ice storage cooling body device is combined with the composite thermal insulation material to reduce the loss of cold energy, thereby forming an ice storage mode in the transition season; The ice storage cooling body device is combined with the stratified cooling device through a detachable pipeline connection component (9), and the cold energy is transferred from the ice storage cooling body to the heat exchange fluid in the stratified cooling device, and then transported to the user end, forming a summer cooling mode.

2. According to claim 1, a multi-path cooling system for cross-seasonal natural ice storage and cooling, characterized in that: The composite thermal insulation material (2) adopts a double-layer combination design of an outer layer of high-strength concrete and an inner layer of rubber-plastic thermal insulation cotton; the concrete layer is used to provide structural strength and external environmental isolation protection, and the rubber-plastic thermal insulation cotton reduces cold loss through high-efficiency thermal insulation performance, thereby ensuring the long-term stability of system operation.

3. According to claim 1, a multi-path cooling system for cross-seasonal natural ice storage and cooling, characterized in that: The ice storage and cooling barrel (1) is a stainless steel barrel.

4. According to claim 1, a multi-path cooling system for cross-seasonal natural ice storage and cooling, characterized in that: The parallel heat exchange pipe network (3) and the pipes of the stratified cooler are both air ducts, and are both made of high-performance stainless steel.

5. According to claim 1, a multi-path cooling system for cross-seasonal natural ice storage and cooling, characterized in that: The pipeline detachable connecting component (9) can be quickly switched between different working modes; the pipeline fixing component (10) is made of high-strength corrosion-resistant material to ensure long-term operating reliability.

6. According to claim 1, a multi-path cooling system for cross-seasonal natural ice storage and cooling, characterized in that: The ice storage and cooling barrel (1) has a height of 3 meters, and the horizontal heat exchange pipe network (3) is arranged in the ice storage and cooling barrel (1) to form a high-efficiency heat transfer network, thereby avoiding insufficient local heat transfer and improving the cold storage efficiency and overall system performance; Two parallel heat exchange pipes form a set of parallel heat exchange pipe networks (3), which are divided into three layers according to the height of the ice storage cold supply barrel (1), with the distance between each layer being 1 meter. Each set of horizontal heat exchange pipe networks (3) is arranged at the center of each layer, in an unfolded axially symmetrical form.

7. According to claim 1, a multi-path cooling system for cross-seasonal natural ice storage and cooling, characterized in that: The stratified cooling device forms a multi-path cooling distribution by dynamically adjusting the air valve in the stratified cooling device according to the different cooling demands of the energy-consuming end, thereby achieving accurate transmission and efficient use of cooling.

8. The multi-path cooling system for cross-seasonal natural ice storage and cooling according to claim 1, characterized in that: The device has three operating modes in total; the first is the winter ice-making mode: in winter, the device starts the ice-making mode and opens the inlet and outlet of the horizontal heat exchange pipe network (3) inside the ice storage cooling body; the outdoor low-temperature cold air naturally flows into the horizontal heat exchange pipe network (3), and the outdoor cold air flows in the parallel heat exchange pipe network (3), exchanges heat with the phase change material-water in the barrel, and quickly completes the freezing process; by optimizing the layout of the horizontal heat exchange pipe network (3), the contact time between the cold air and the water is prolonged, the generation of heat exchange dead zones is avoided, the heat exchange efficiency is improved, and it is ensured that the water is frozen into ice in a short time, thereby realizing efficient ice-making driven by natural cold energy. The second transitional season ice storage mode: in the transitional season, the device switches to the ice storage mode, seals the inlet and outlet of the horizontal heat exchange pipe network (3) inside the ice storage cooling body, and combines the external composite thermal insulation material (2) to reduce the loss of cold. The double-layer composite thermal insulation material (2) works in synergy with the low-temperature environment to effectively maintain the low-temperature state inside the ice storage body, ensure long-term storage of cold, and provide a stable cold source guarantee for summer cooling. The third summer cooling mode: in summer, the device switches to the cooling mode, and connects the stratified cooling device with the horizontal heat exchange network (3) through the detachable pipe connection component (9); the cold energy is transferred from the ice storage cooling body to the heat exchange fluid in the stratified cooling device, and then transported to the end user through the cooling end; the system adjusts the cooling energy distribution path through the air valve according to the cooling load demand of the user end.

9. The multi-path cooling system for cross-seasonal natural ice storage and cooling according to claim 7, characterized in that: Adjust the cooling capacity distribution path to be divided into low cooling capacity demand, medium cooling capacity demand and high cooling capacity demand; In case of low cooling demand: a single set of horizontal heat exchange pipe network (3) is activated, the top air valve (5) at the inlet and the top air valve (7) at the outlet are closed, the bottom air valve (6) at the inlet and the bottom air valve (8) at the outlet are closed, the flow path of the heat exchange fluid is limited, and the cooling range is precisely controlled; Intercooling demand: Activate two sets of horizontal heat exchange pipe networks (3), open the relevant inlet top air valve (5) and outlet top air valve (7), close the inlet bottom air valve (6) and outlet bottom air valve (8), and expand the flow path of the heat exchange fluid; High cooling demand: Activate all three sets of horizontal heat exchange pipe networks (3), fully open the inlet top air valve (5), the inlet bottom air valve (6), the outlet top air valve (7) and the outlet bottom air valve (8), form the maximum cooling output path, and complete the cooling process.

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