A plate-fin cooler based on double-medium shunt cooling

Abstract

This invention relates to the field of heat exchange equipment technology, specifically to a plate-fin cooler based on dual-medium split-flow cooling, comprising an air inlet pipe, an air-cooled split pipe, a water-cooled split pipe, an exhaust stack, an air-cooling assembly, a cooling fan, a water-cooling assembly, a water supply assembly, and a drain. The air inlet pipe is installed next to the high-temperature operating device, the air-cooled split pipe is installed at one end of the air inlet pipe, the water-cooled split pipe is installed below the air inlet pipe, the exhaust stack is installed at the output ends of the air-cooled and water-cooled split pipes, the air-cooling assembly is installed on the side of the exhaust stack corresponding to the air-cooled split pipe, the cooling fan is installed on both sides of the air-cooling assembly, the water-cooling assembly is installed on the side of the exhaust stack corresponding to the water-cooled split pipe, the water supply assembly is installed on top of the water-cooling assembly, and the drain is installed on the side of the lower part of the water-cooling assembly.

Description

Technical Field

[0001] This invention relates to the field of heat exchange equipment technology, and specifically to a plate-fin cooler based on dual-medium split-flow cooling. Background Technology

[0002] Plate-fin coolers, as compact and highly efficient heat exchange devices, are widely used in modern industrial production and equipment operation. They primarily rely on the combination of plates and fins to form complex heat exchange channels, achieving energy exchange through full contact between the cooling medium and the fluid being cooled. In power electronic device heat dissipation, chemical heat exchange processes, and various high heat flux density equipment, plate-fin coolers often undertake critical cooling tasks. Water cooling, due to its high specific heat capacity and rapid heat removal capability, is widely used as the primary cooling method. The working principle of a water-cooled plate-fin cooler is that circulating cooling water flows within the plate-fin channels, exchanging heat with the high-temperature fluid, thereby reducing the temperature of the equipment or medium. Compared to air cooling, water cooling offers advantages such as high heat exchange intensity, small footprint, and rapid cooling speed, making it the preferred choice for cooling high-power electronic devices and high-temperature chemical fluids. It can be said that the importance of water-cooled plate-fin coolers in industrial production is self-evident; they are a core component in ensuring the safe and stable operation of systems in many industries.

[0003] However, traditional water-cooled plate-fin coolers have also revealed a series of shortcomings in long-term use, restricting their further improvement in energy saving, consumption reduction, and efficient heat exchange. Firstly, due to their relatively simple internal flow path design and lack of scientific and flexible flow distribution, some areas experience excessive heat exchange while others suffer from insufficient heat exchange. This uneven heat distribution directly affects overall heat exchange efficiency and can even lead to the risk of localized overheating. Secondly, water cooling is highly dependent on the temperature difference and flow rate of the cooling water. To maintain a stable cooling effect, it is often necessary to increase the power of the water pump to improve the water flow rate or increase the circulation flow rate. This not only significantly increases energy consumption and operating costs but also leads to excessive reliance on cooling water resources, which does not meet the current industrial demands for energy conservation, low carbon emissions, and green development. In summary, existing water-cooled plate-fin coolers have significant shortcomings in flow distribution design and energy consumption control, urgently requiring a new technological approach to optimize fluid distribution and achieve efficient, energy-saving, and uniform cooling effects through reasonable structural improvements.

[0004] In view of the above, in order to overcome the above technical problems, the present invention designs a plate-fin cooler based on dual-medium split-flow cooling, which solves the above technical problems. Summary of the Invention

[0005] The technical objective of this invention is to design a plate-fin cooler based on dual-medium split-flow cooling, which effectively cools complex mechanical devices through heat exchange using two different media: water cooling and air cooling.

[0006] To achieve the above-mentioned technical objectives, the present invention provides the following technical solution:

[0007] A plate-fin cooler based on dual-medium split-flow cooling includes an inlet pipe, an air-cooled split pipe, a water-cooled split pipe, an exhaust stack, an air-cooling assembly, a cooling fan, a water-cooling assembly, a water supply assembly, and a drain. The inlet pipe is installed next to the high-temperature operating device. The air-cooled split pipe is installed at one end of the inlet pipe, the water-cooled split pipe is installed on the side of the inlet pipe, the exhaust stack is installed at the output ends of the air-cooled and water-cooled split pipes, the air-cooling assembly is installed on the side of the exhaust stack corresponding to the air-cooled split pipe, the cooling fan is installed on both sides of the air-cooling assembly, and the water-cooling assembly... The water supply assembly is installed on the side of the exhaust pipe corresponding to the water-cooled diversion pipe, and the drainer is installed on the side of the lower part of the water-cooled assembly. High-temperature exhaust gas enters the plate-fin cooler through the air inlet pipe. The expansion ring installed inside the air inlet pipe is controlled according to the air volume to divert the high-temperature exhaust gas. When the load is small, most of the high-temperature exhaust gas passes through the air-cooled assembly and is cooled down by the heat exchange between the inner and outer fins. When the load is large, a portion of the high-temperature exhaust gas enters the water-cooled assembly through the interception pipe and is cooled down by the flowing medium in the water-cooled cavity.

[0008] As one preferred embodiment, the air-cooled distribution pipe is arranged on the upper and lower sides of the water-cooled distribution pipe, with the top ends of the air-cooled and water-cooled distribution pipes arranged parallel to each other. The exhaust pipe completely surrounds the sides of the air-cooled and water-cooled components. When the load of the device requiring heat dissipation is small and the heat generated is small, the heat dissipation requirement can be met by the two air-cooled components. The air-cooled components are arranged on the upper and lower sides to avoid heat accumulation, provide sufficient space for air circulation, thereby reducing energy consumption and improving heat dissipation efficiency.

[0009] As a preferred option, each of the air-cooled components is provided with two sets of cooling fans, which are installed on the front and rear sides of the air-cooled component and the airflow direction of the two sets of cooling fans is set in the same direction. This arrangement makes it easy for the airflow direction on both sides of each air-cooled component to be consistent, and when the required heat dissipation device has low energy consumption, the cooling fans do not need to be turned on, and the temperature requirements can be met by natural heat dissipation alone, thereby further improving energy utilization.

[0010] As one of the preferred solutions, the intake pipe includes an installation pipe, an intercepting pipe, a support spring, a telescopic ring, a fixing block and a fixing rod; the installation pipe is installed inside the intake pipe and is used for installing the support spring. The intercepting pipe is installed on the inner surface of the installation pipe and is used to intercept the gas from the air-cooling shunt pipe to prevent this part of the high-temperature waste gas from flowing directly into the water-cooling shunt pipe through the gap between the telescopic ring and the installation pipe. The support spring is installed on the installation pipe and is used to support the telescopic ring. When the high-temperature waste gas is less, it is diverted to the air-cooling shunt pipe for treatment. The telescopic ring is installed on the support spring and is set as the key component for controlling the diversion. When the high-temperature waste gas is less, the telescopic ring diverts it to both sides. When the high-temperature waste gas is more, the wind pressure presses the telescopic ring down, causing a gap between it and the fixing block. A part of the high-temperature waste gas enters the water-cooling shunt pipe through the gap and the empty groove between the fixing rods, and the water-cooling component is started for heat exchange and cooling. The fixing block is arranged in the middle of the telescopic ring, and the fixing rod is installed on the inner wall of the installation pipe.

[0011] As one of the preferred solutions, the outer diameter value of the intercepting pipe is set to be the same as the inner diameter value of the installation pipe, and the upper end surface of the intercepting pipe component is also the lowest point where the telescopic ring descends, ensuring that even in the case of a large air volume, the distribution of the air-cooling shunt pipe and the water-cooling shunt pipe is relatively reasonable. Since the heat exchange capacity of the water-cooling component is strong, the heat exchange capacity of a single water-cooling component can also be equal to that of two air-cooling components. That is, when the telescopic ring touches the intercepting pipe, at this time, about half of the high-temperature waste gas passes through the water-cooling shunt pipe, and the remaining half passes through the two air-cooling shunt pipes, thereby further ensuring the average and reasonable distribution of the water-cooling component and the air-cooling component, ensuring that even under long-term high-intensity work, individual components will not work under high load for a long time, effectively extending the service life. The horizontal cross-sectional shape of the fixing block is set to be circular, and the edge of the lower surface of the fixing block is rounded, which is beneficial for the high-temperature waste gas to pass quickly. There are four fixing rods, which are arranged in a cross shape, and the through groove between adjacent fixing rods is a 1 / 4 circle. The fixing rods are arranged in this way to facilitate the installation of the fixing block and the rapid passage of the high-temperature waste gas on the one hand.

[0012] As one of the preferred solutions, the air-cooling component includes an air-cooling installation plate, inner fins and outer fins; the air-cooling installation plates are stacked in multiple layers to form the air-cooling component. The air-cooling installation plate is set as a hollow cuboid structure, and both sides of the air-cooling installation plate are open structures, thus forming two air ducts perpendicular to each other. One is formed by the high-temperature waste gas passing through the outer fins, and the other is formed by the cooling fan driving the air in the inner fins. The two air ducts continuously contact to complete an efficient heat exchange process. The inner fins and the outer fins are sequentially and spacedly installed inside the air-cooling installation plate. The inner fins are set as "U" shapes, and the outer fins are set as corrugated shapes.

[0013] As one preferred embodiment, the water-cooling assembly includes water-cooling fins, a water-cooling cavity, and a connecting plate. The water-cooling fins are installed inside the water-cooling assembly and are used to increase the contact area between the high-temperature exhaust gas and the water-cooling assembly. The water-cooling cavity is located inside the water-cooling assembly and circulates a liquid medium through a water inlet assembly and a drain. The liquid medium is a mixture of water and ethylene glycol, as ethylene glycol is beneficial for the heat exchange process. The connecting plate is installed on the side of the water-cooling assembly and is used to form a passage with adjacent water-cooling assemblies, thereby forming a circulating cooling water channel.

[0014] As one of the preferred options, the water-cooling cavity is provided with a baffle plate inside. The baffle plate is wavy and is used to enhance the vortex effect of the water, thereby improving the heat exchange efficiency. The side of the water-cooling cavity is provided with a water outlet hole, which is used to communicate with the next connecting block to realize water circulation.

[0015] As one of the preferred options, the connecting plate has a cooling water channel inside, the lower end of which is connected to the water cooling cavity, and the upper end of which is connected to the water outlet of the upper water cooling component, thereby forming an S-shaped large circulating water channel.

[0016] As one preferred embodiment, the water supply assembly includes a pump, an inlet pipe, and an outer pipe. The pump is installed on top of the water cooling assembly and is responsible for pumping the liquid medium from the outer pipe into the inlet pipe for large-scale circulation within the water cooling assembly. The inlet pipe is installed on the side of the pump and is connected to the water cooling assembly. The outer pipe is installed on the other side of the pump.

[0017] The beneficial effects of this invention are as follows:

[0018] (1) This invention effectively solves the problems of high energy consumption and unscientific flow distribution in traditional water-cooled plate-fin coolers by adopting a dual-medium split-flow cooling design of air cooling and water cooling. The device can automatically adjust the flow distribution ratio of air cooling and water cooling according to the flow rate and load of high-temperature exhaust gas, so that air cooling is given priority for heat dissipation under low load conditions, thereby reducing the frequency of water cooling system operation and saving energy consumption. In addition, the air cooling component adopts an upper and lower dual-air duct design and a high-efficiency fin structure to ensure smooth airflow and uniform heat distribution, which helps to reduce the risk of local overheating and achieve the best balance between energy saving and cooling efficiency.

[0019] (2) The water-cooling component in this invention has a reasonable structure, employing water-cooled fins, baffles, and an "S"-shaped circulating water path design, enabling the liquid medium to form a stable and uniform circulating flow throughout the entire water-cooling component. The corrugated baffles inside the water-cooling cavity increase the vortex effect, improving the heat exchange efficiency between water and high-temperature exhaust gas. The water supply component, consisting of the pump, inlet pipe, and external pipe, can continuously ensure the supply of liquid medium and large-scale circulating flow, thereby quickly removing a large amount of heat under high-load conditions and avoiding insufficient cooling or localized high temperatures. This design significantly improves the stability and reliability of the system under high-intensity operation.

[0020] (3) This invention achieves intelligent adjustment in the diversion control mechanism, including the intake pipe, telescopic ring, fixing block, and fixing rod. It automatically distributes high-temperature exhaust gas to the air-cooled or water-cooled channels through the action of wind pressure and spring force, enabling the two cooling methods to work in coordination according to the actual load. This avoids long-term high-load operation of a single component and extends the system's service life. Simultaneously, the modular design and structural optimization ensure smooth airflow and balanced heat distribution, achieving efficient complementarity between air cooling and water cooling. Overall, this invention not only significantly improves heat dissipation efficiency but also reduces energy consumption and operating costs, providing a reliable guarantee for the safe and stable operation of high-temperature equipment. Attached Figure Description

[0021] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0022] The above and other aspects of the invention will now be described by way of example only, with reference to the accompanying drawings, in which:

[0023] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 This is a cross-sectional view of the air intake pipe of the present invention;

[0025] Figure 3 This is the present invention. Figure 2 A magnified view of a portion of the image;

[0026] Figure 4 This is a schematic diagram showing the flow direction of high-temperature exhaust gas when the telescopic ring of the present invention is pressed down onto the interception pipe;

[0027] Figure 5 This is a schematic diagram showing the installation positions of the air-cooling component and the cooling fan of the present invention;

[0028] Figure 6This is a schematic diagram of the air-cooled component of the present invention;

[0029] Figure 7 This is a schematic diagram of the structure of the water-cooling component of the present invention;

[0030] Figure 8 This is a schematic diagram of the internal structure of the water-cooling component of the present invention;

[0031] Figure 9 This is a schematic diagram of the water supply component of the present invention.

[0032] In the diagram: 1. Inlet pipe; 11. Mounting pipe; 12. Interception pipe; 13. Support spring; 14. Telescopic ring; 15. Fixing block; 16. Fixing rod; 2. Air-cooled split pipe; 3. Water-cooled split pipe; 4. Exhaust pipe; 5. Air-cooled assembly; 51. Air-cooled mounting plate; 52. Inner fins; 53. Outer fins; 6. Cooling fan; 7. Water-cooled assembly; 71. Water-cooled fins; 72. Water-cooled cavity; 721. Baffle plate; 722. Water outlet; 73. Connecting plate; 731. Cooling water channel; 8. Water supply assembly; 81. Pump; 82. Input pipe; 83. External pipe; 9. Drain. Detailed Implementation

[0033] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0034] like Figure 1-9 As shown, a plate-fin cooler based on dual-medium diversion cooling mainly includes several key units such as an inlet pipe 1, an air-cooled diversion pipe 2, a water-cooled diversion pipe 3, an exhaust stack 4, an air-cooling assembly 5, a cooling fan 6, a water-cooling assembly 7, a water supply assembly 8, and a drain device 9. The inlet pipe 1 is located next to the high-temperature working device to receive the high-temperature exhaust gas discharged from it and guide the exhaust gas into the cooler for temperature regulation. An air-cooled diversion pipe 2 is installed at one end of the inlet pipe 1, which is connected to the air-cooling channel of the cooler, enabling the introduction of some high-temperature exhaust gas into the air-cooling assembly 5. A water-cooled diversion pipe 3 is located below the inlet pipe 1, which is connected to the water-cooling assembly 7, allowing for the switching and distribution of exhaust gas into the water-cooling circuit. The output ends of the air-cooled diversion pipe 2 and the water-cooled diversion pipe 3 are connected to the exhaust stack 4. The cooled exhaust gas is finally discharged through the exhaust stack 4, ensuring the continuity and stability of the entire cooling process.

[0035] In terms of cooling component configuration, the air-cooled component 5 is installed on the side of the exhaust pipe 4 corresponding to the air-cooled distribution pipe 2, with cooling fans 6 on both sides to actively guide airflow and enhance the convective heat transfer effect between the fins, thereby improving air-cooling efficiency. The water-cooled component 7 is installed on the side of the exhaust pipe 4 corresponding to the water-cooled distribution pipe 3, with a water supply component 8 above it to continuously replenish the water-cooled cavity 72 with flowing water medium, forming a stable cooling cycle; a drain 9 is installed on the lower side of the water-cooled component 7 to promptly drain the used circulating water, ensuring the cleanliness and stability of the heat exchange process. The reasonable layout and distribution of air and water cooling enable the cooler to maintain high cooling efficiency under different operating loads.

[0036] During operation, high-temperature exhaust gas first enters the plate-fin cooler through the inlet pipe 1. Depending on the volume of the exhaust gas, the telescopic ring 14 installed inside the inlet pipe 1 automatically adjusts the opening and closing of the channel, thereby diverting the high-temperature exhaust gas. When the equipment is under low or medium load, the exhaust gas volume is relatively small. At this time, most of the high-temperature exhaust gas preferentially enters the air-cooled diversion pipe 2, where it is cooled through heat exchange between the inner fins 52 and the outer fins 53 in the air-cooling assembly 5. Simultaneously, the cooling fan 6 accelerates airflow, further improving heat dissipation efficiency. In this situation, air cooling can complete most of the heat dissipation tasks with lower energy consumption, ensuring system economy.

[0037] When the equipment is under high load, the volume of high-temperature exhaust gas is large, and air cooling alone is insufficient to meet the heat dissipation requirements. At this time, some of the exhaust gas is introduced into the water-cooled distribution pipe 3 through the interceptor pipe 12 and enters the water-cooling assembly 7. Within the water-cooling chamber 72, the exhaust gas undergoes forced convection heat exchange with the flowing water medium. The water-cooling medium, with its high specific heat capacity, can quickly remove a large amount of heat, effectively reducing the exhaust gas temperature and preventing damage to the cooler or downstream equipment due to localized overheating. Finally, the exhaust gas, after being treated by both air and water cooling, converges into the exhaust stack 4 and is discharged, completing the entire cooling process.

[0038] Through a dual-medium cooling design using both air and water, this cooler can implement flexible cooling strategies under different load conditions: air cooling is prioritized under low loads to save water resources and energy; water cooling is introduced under high loads to achieve rapid and efficient heat dissipation. This structure not only solves the problems of high energy consumption and a single flow distribution method in traditional water-cooled plate-fin coolers, but also significantly improves the uniformity and reliability of cooling, ensuring the safe and stable operation of equipment under high-temperature conditions.

[0039] The air-cooled distribution pipes 2 are respectively arranged on the upper and lower sides of the water-cooled distribution pipe 3, forming a layered arrangement in the overall structure. This effectively utilizes limited space to increase the cooling area and distribution channels. The top ends of the air-cooled distribution pipes 2 and 3 are parallel. This parallel structure not only facilitates pipe installation and subsequent maintenance but also ensures that the high-temperature exhaust gas entering the cooler is evenly distributed between the channels, avoiding cooling blind spots caused by uneven flow. The exhaust stack 4 completely surrounds the sides of the air-cooled assembly 5 and the water-cooled assembly 7, forming a relatively sealed exhaust channel. This allows the exhaust gas to be smoothly guided out during the cooling process while avoiding external airflow interference that could reduce the heat exchange effect.

[0040] In practical operation, when the device requiring cooling is under low load, the heat generated is relatively small. At this time, the heat dissipation requirements are mainly met by the two air-cooling components 5, one above the other. The vertically distributed air-cooling components 5 form a symmetrical layout, allowing cooling air to enter from multiple directions, ensuring uniform airflow distribution and continuous exchange. This design not only effectively prevents high-temperature gas from accumulating in a certain area and causing localized overheating, but also provides more space for air circulation, improving heat dissipation efficiency. By prioritizing air cooling to remove most of the heat, the frequency of use of the water-cooling system can be significantly reduced, thereby reducing water consumption and energy expenditure, further improving the overall system's energy efficiency and economy.

[0041] like Figure 5 As shown, each air-cooled component 5 is equipped with two sets of cooling fans 6, which are installed on the front and rear sides of the air-cooled component 5, respectively, ensuring that the airflow direction of the two fans is consistent during installation. This unidirectional airflow design can form a stable and continuous airflow channel, allowing cooling air to pass through the fin channel at a higher flow rate, thereby enhancing the convective heat transfer effect between the inner and outer fins 53. The coordinated airflow from the front and rear sides can effectively avoid airflow turbulence, reduce eddies and heat accumulation, ensure that hot air can be quickly discharged, and improve the overall heat transfer uniformity and cooling efficiency.

[0042] Meanwhile, the cooling fan system 6 offers flexibility in its operation. When the required heat dissipation device is under low energy consumption and low load conditions, the heat generated by the equipment is relatively small. In this case, the cooling fan 6 can be left off, and temperature control requirements can be met solely through natural convection and radiation. This operating mode not only avoids energy waste caused by frequent fan operation but also extends the service life of the fan and related components. By rationally utilizing a combination of natural heat dissipation and forced air cooling, the cooler can flexibly switch between heat dissipation methods under different operating conditions, achieving efficient energy utilization and further improving the overall energy efficiency and economy of the system.

[0043] like Figure 3-4As shown, the internal structure of the intake pipe 1 is relatively complex, mainly composed of multiple components such as the mounting pipe 11, the intercepting pipe 12, the support spring 13, the telescopic ring 14, the fixing block 15, and the fixing rod 16. The cooperation between these components directly determines the flexibility and reliability of the cooler's flow switching. Specifically, the mounting pipe 11, as the core load-bearing component inside the intake pipe 1, serves to fix and install the internal components. The mounting pipe 11 contains the support spring 13, which supports the telescopic ring 14 in its initial position and can also elastically expand and contract according to the airflow pressure, thus ensuring good adjustment performance of the telescopic ring 14 under different operating conditions. The intercepting pipe 12 is installed on the inner surface of the mounting pipe 11. Its main function is to limit and intercept the gas flowing into the air-cooled splitter pipe 2, preventing high-temperature exhaust gas from directly entering the water-cooled splitter pipe 3 through the gap between the telescopic ring 14 and the mounting pipe 11 without regulation, thereby effectively ensuring the orderliness and scientific nature of the flow splitting process.

[0044] Under normal operating conditions, when the equipment is running at low load, the volume of high-temperature exhaust gas is relatively small. The support spring 13 can stably support the telescopic ring 14 to remain in the upper position. At this time, the telescopic ring 14 diverts the high-temperature exhaust gas to both sides, allowing the gas to preferentially enter the air-cooled diversion pipe 2 for cooling. In the air-cooled channel, the high-temperature exhaust gas exchanges heat fully with the outside air through the fins. Simultaneously, with the combined action of the air-cooling component 5 and the cooling fan 6, the exhaust gas temperature can be quickly reduced, thereby meeting the heat dissipation requirements. Under this operating condition, the telescopic ring 14 plays a crucial role in active diversion, enabling the exhaust gas to be fully cooled without activating the water-cooling system, thus reducing system energy consumption and operating costs.

[0045] When the equipment is under high load, the volume of high-temperature exhaust gas entering the intake pipe 1 increases significantly, and the exhaust gas velocity and pressure continuously rise, gradually increasing the airflow impact force acting on the telescopic ring 14. At this time, the higher air pressure forces the telescopic ring 14 to move downward, overcoming the elastic force of the support spring 13 and generating a certain downward displacement. After the telescopic ring 14 moves downward, a gap gradually forms between its bottom and the fixed block 15, providing a new flow path for the exhaust gas. Some of the high-temperature exhaust gas then enters the water-cooled diversion pipe 3 below through the slot channel formed between the telescopic ring 14 and the fixed rod 16, and undergoes forced heat exchange with the circulating water medium in the water-cooling assembly 7. Because the water-cooling medium has a high specific heat capacity, it can quickly remove a large amount of heat, thereby effectively reducing the temperature of the exhaust gas under high load and preventing damage to the system due to overheating.

[0046] The fixing block 15 is installed in the middle of the telescopic ring 14. Its main function is to limit the downward movement range of the telescopic ring 14 and ensure that a stable and controllable gap can be formed when the telescopic ring 14 is compressed by wind pressure, thus ensuring that the diversion process is carried out in a controlled manner. The fixing rod 16 is installed on the inner wall of the mounting pipe 11, and works in coordination with the telescopic ring 14 and the fixing block 15, so that the diversion path can be automatically adjusted according to the actual pressure under different operating conditions. Through the above structural design, the intake pipe 1 can not only automatically switch between air cooling and water cooling according to the quantity and pressure of high-temperature exhaust gas, but also the entire switching process does not require additional electrical control devices. It can achieve intelligent adjustment by relying on airflow power and elastic elements, which greatly improves the stability and reliability of the system operation.

[0047] In summary, the intake pipe 1 utilizes a combination of components such as the mounting pipe 11, intercepting pipe 12, supporting spring 13, telescopic ring 14, fixing block 15, and fixing rod 16 to achieve dynamic control of the high-temperature exhaust gas diversion method. Under low load, air cooling is prioritized to save water resources and reduce energy consumption; under high load, it automatically switches to water cooling to ensure sufficient cooling. This design enables the plate-fin cooler to maintain efficient and stable heat dissipation under different operating conditions, effectively solving the problems of high energy consumption and unscientific diversion methods in traditional coolers.

[0048] The outer diameter of the interceptor pipe 12 is exactly the same as the inner diameter of the mounting pipe 11. This design ensures that the interceptor pipe 12 fits tightly inside the mounting pipe 11, preventing it from shaking or shifting due to airflow impact, thus ensuring the stability and reliability of the diversion path. Simultaneously, the upper end face of the interceptor pipe 12 is set as the lowest stopping point during the descent of the telescopic ring 14. That is, when the telescopic ring 14 is squeezed downwards under the pressure of high-temperature exhaust gas, its movement limit just contacts the upper end face of the interceptor pipe 12. This structure not only avoids the problem of diversion imbalance caused by excessive downward movement of the telescopic ring 14, but also ensures that a relatively reasonable distribution ratio is maintained between the air-cooled diversion pipe 2 and the water-cooled diversion pipe 3 even when the airflow is large and the exhaust gas volume increases significantly.

[0049] Because the water-cooled component 7 has a strong heat exchange capacity, its heat transfer load, when used alone, is roughly equivalent to that of the two air-cooled components 5 combined. Therefore, when the telescopic ring 14 is pressed down and contacts the interceptor pipe 12, approximately half of the gas flows into the water-cooled distribution pipe 3, while the other half flows into the upper and lower air-cooled distribution pipes 2. This distribution pattern fully leverages the advantages of both air and water cooling, achieving a dynamic balance between the two cooling methods. This ensures the entire cooling system remains efficient and stable even under high load conditions. This structural design avoids prolonged high-load operation of a single cooling method, thereby reducing component fatigue and potential failure risks, and effectively extending the service life of the entire cooling system.

[0050] In terms of detailed optimization, the horizontal cross-section of the fixing block 15 is designed as a circle, which has good symmetry and force balance, helping to ensure a uniform gap between the telescopic ring 14 and the fixing block 15. At the same time, the lower edge of the fixing block 15 is specially rounded. This rounded corner transition design not only reduces the impact and resistance of exhaust gas when it flows at high speed, but also allows high-temperature exhaust gas to pass through the gap more smoothly, thereby reducing local eddies and energy loss and improving gas flow efficiency.

[0051] Furthermore, four fixing rods 16 are evenly arranged on the inner wall of the mounting pipe 11, forming a cross shape. This arrangement provides reliable positioning and support for the fixing block 15, ensuring its stability and preventing displacement during operation. Simultaneously, the four fixing rods 16 form four independent quarter-circular through slots. These slots not only provide ample space for airflow but also effectively disperse gas flow, reducing localized high pressure and allowing exhaust gas to flow to the distribution pipe at a faster and more uniform rate. Therefore, the fixing rods 16 not only serve for installation and fixation but also further optimize the flow characteristics of the gas channel, ensuring stable performance of the cooler under high-temperature and high-pressure conditions.

[0052] In summary, the combined design of the interceptor tube 12, telescopic ring 14, fixing block 15, and fixing rod 16 ensures reasonable flow distribution while also considering smooth gas flow and the service life of the components. This structure enables automatic switching and scientific allocation of air cooling and water cooling under different loads, ensuring the reliability and durability of the plate-fin cooler under long-term, high-intensity operating conditions, and solving the problems of uneven distribution and local overload in traditional coolers.

[0053] like Figure 6As shown, the air-cooling component 5 is mainly composed of an air-cooling mounting plate 51, inner fins 52, and outer fins 53. The overall structure is carefully designed to achieve efficient and stable heat exchange. Among them, the air-cooling mounting plate 51 adopts a multi-layer stacking installation method, forming a complete air-cooling component 5 through layer-by-layer stacking. The main body of the air-cooling mounting plate 51 is set as a hollow cuboid structure, and its two sides are open-designed. The advantage of this structure is that it can form two independent air ducts perpendicular to each other, ensuring that the air flow can cross-flow during the heat exchange process, thereby significantly improving the heat exchange efficiency. Specifically, the first air duct is formed when the high-temperature exhaust gas passes through the outer fin 53 area. The high-temperature exhaust gas flows on the surface of the outer fin 53 and continuously releases heat. The second air duct is formed by the cooling fan 6 driving the air to flow between the inner fins 52. The cooling air fully contacts the inner fins 52 and absorbs heat, completing an effective cooling process. The two air ducts continuously contact and exchange heat during operation, achieving efficient heat transfer between the high-temperature exhaust gas and the cooling air.

[0054] Inside the mounting plate, the inner fins 52 and the outer fins 53 are arranged in sequence at a certain interval. The inner fins 52 are designed in a "zigzag" structure, which can increase the contact area between the cooling air and the fins, causing a turbulence effect during the air flow, thereby further improving the heat exchange efficiency. The outer fins 53 are designed with a corrugated structure. The corrugated structure not only increases the contact surface area of the high-temperature exhaust gas but also forms an eddy current effect when the air flow passes through, promoting rapid heat exchange between the gases. Through the reasonable combination of the inner and outer fins 53, the air-cooling component 5 can achieve large-area heat exchange in a limited space, ensuring that the system can still maintain a high cooling capacity under the condition of continuous flow of high-temperature exhaust gas.

[0055] As Figure 7-8 shown, the water-cooling component 7 is jointly composed of water-cooling fins 71, a water-cooling cavity 72, and a connecting plate 73. Each part cooperates to achieve stable and efficient heat exchange. Among them, the water-cooling fins 71 are installed inside the water-cooling component 7, and their main function is to greatly increase the contact area between the high-temperature exhaust gas and the water-cooling component 7, enabling the high-temperature exhaust gas to fully transfer heat to the water-cooling fins 71 during the flow process, thereby effectively improving the heat dissipation efficiency. The water-cooling cavity 72 is opened inside the water-cooling component 7 and serves as the main channel for the liquid medium circulation. The water-cooling cavity 72 is connected to the water supply component 8 and the drainer 9, enabling the continuous circulation of the liquid medium in the cavity. The liquid medium is a mixture of water and ethylene glycol. This mixture not only has good fluidity and thermal conductivity, but the addition of ethylene glycol can significantly reduce the risk of the liquid freezing in a low-temperature environment, while improving the overall heat exchange efficiency and stability, ensuring good cooling effects under different working conditions.

[0056] Furthermore, the connecting plate 73 is installed on the side of the water-cooling assembly 7 for interconnection with adjacent water-cooling assemblies 7, forming a continuous liquid passage. Through this passage, multiple water-cooling assemblies 7 can jointly form a complete circulating cooling water channel, allowing the coolant to be evenly distributed and flow among different components, thereby ensuring a more balanced temperature distribution within the entire system and preventing localized overheating. Thus, the water-cooling assembly 7 can not only perform efficient cooling tasks independently, but also expand its heat exchange capacity through modular series connection to meet the demands of high-flow-rate, high-intensity long-term operation.

[0057] The water-cooled cavity 72 is equipped with a baffle 721, which has a wave-shaped structure. This structure forces the water flow into eddies and creates disturbances, preventing laminar flow and effectively increasing the contact between the water flow and the water-cooling fins 71 and the cavity wall, thus significantly improving heat exchange efficiency. Simultaneously, the wave-shaped baffle 721 also acts as a guide, ensuring a more uniform distribution of coolant within the water-cooled cavity 72 and preventing uneven heat exchange due to excessive local temperature differences. A water outlet 722 is also provided on the side of the water-cooled cavity 72, which connects to the next connecting block, allowing the liquid medium to flow smoothly into the adjacent water-cooling component 7, achieving stable water circulation and ensuring the continuous and efficient operation of the entire cooling system.

[0058] The connecting plate 73 has a cooling water channel 731 inside, the lower end of which is connected to the water-cooling cavity 72, allowing the liquid medium in the water-cooling cavity 72 to flow smoothly into the connecting plate 73. The upper end of the cooling water channel 731 is connected to the water outlet 722 of the upper water-cooling component 7, realizing a continuous channel for the upward flow of the liquid medium. Through this design, multiple water-cooling components 7 can form a complete circulation loop through the connecting plate 73. The entire water circuit is arranged in an "S" shape, allowing the cooling water to flow orderly between the various water-cooling components 7, making full use of the heat exchange capacity of each component, and ensuring that the liquid medium maintains a stable flow rate and uniform temperature during circulation, thereby achieving efficient cooling and continuous heat dissipation of the system.

[0059] like Figure 9As shown, the water supply assembly 8 mainly includes key components such as a pump 81, an inlet pipe 82, and an external pipe 83. Its function is to provide a stable and continuous circulation of liquid medium for the water-cooled assembly 7. The pump 81 is installed above the water-cooled assembly 7 and serves as the power source of the system. It can draw and pressurize the liquid medium in the external pipe 83 and deliver it to the inlet pipe 82, thereby ensuring that the cooling water or mixed coolant forms an efficient large circulation within the water-cooled assembly 7. The inlet pipe 82 is installed on the side of the pump 81 and is directly connected to the water-cooled assembly 7, allowing the medium to flow smoothly into the water-cooling chamber 72 for sufficient heat exchange. The external pipe 83 is located on the other side of the pump 81 and is used to connect to an external liquid storage system or coolant replenishment system to ensure a sufficient supply of liquid medium during long-term operation of the water-cooled assembly 7. Through this layout, the liquid medium can form a continuous and high-speed circulation under the drive of the pump 81, fully utilizing the heat exchange capacity of the water-cooled assembly 7 and achieving a stable and efficient cooling effect for the system.

[0060] In operation, the plate-fin cooler of this invention receives high-temperature exhaust gas through the inlet pipe 1 when the high-temperature equipment is working, and the gas first enters the cooler. The inlet pipe 1 is equipped with a flow control mechanism including a telescopic ring 14, a support spring 13, an intercepting pipe 12, a fixing block 15, and a fixing rod 16, which can automatically adjust the flow path according to the flow rate and pressure of the exhaust gas. When the equipment is under low load, the amount of high-temperature exhaust gas is small, and the support spring 13 supports the telescopic ring 14 to remain in the upper position, guiding the exhaust gas mainly into the air-cooled flow divider pipe 2. The exhaust gas passes sequentially through the heat exchange zones of the inner fins 52 and the outer fins 53 in the air-cooled assembly 5. The cooling fan 6 drives airflow on both sides of the air-cooled assembly 5, enabling efficient convective heat exchange between the high-temperature exhaust gas and the air, while preventing heat accumulation in localized areas and achieving uniform cooling. The air-cooling process can complete most of the heat dissipation tasks under low energy consumption conditions, ensuring stable system operation under low load.

[0061] When the equipment is operating under high load, the exhaust gas volume increases significantly. The air pressure causes the telescopic ring 14 to move downwards, creating a gap with the fixed block 15. This allows some of the high-temperature exhaust gas to enter the water-cooled distribution pipe 3 through the slot between the telescopic ring 14 and the fixed rod 16. At this time, the water-cooling assembly 7 starts, and the water supply assembly 8 pumps the liquid medium from the external pipe 83 into the input pipe 82. A large circulation is formed through the water-cooling chamber 72 and the baffle 721, ensuring the liquid medium fully contacts the exhaust gas and absorbs heat. The wave-shaped baffle 721 inside the water-cooling chamber 72 generates vortices, increasing the contact area between the fluid and the fins and improving heat exchange efficiency. Simultaneously, multiple water-cooling assemblies 7 form an S-shaped circulating water path through the connecting plate 73, ensuring uniform flow of the liquid medium and enabling the water-cooling system to quickly remove a large amount of heat, preventing localized overheating.

[0062] Throughout the process, the air-cooling and water-cooling systems automatically coordinate based on the exhaust gas volume, and the high-temperature exhaust gas is rationally distributed to each channel, realizing a dynamic control strategy of prioritizing air cooling and complementing air and water cooling. The air-cooling component 5 achieves natural or auxiliary air cooling under low load, while the water-cooling component 7 rapidly cools down under high load. The entire cooler can maintain efficient and stable operation under different operating conditions, while avoiding long-term high-load operation of individual components, thus improving system reliability and service life.

[0063] Various modifications to this disclosure will be readily apparent to those skilled in the art, and the general principles defined herein can be applied to other variations without departing from the scope of this disclosure. Therefore, this disclosure is not limited to the examples and designs described herein, but should be given the broadest scope consistent with the principles and novel features disclosed herein. Although one or more exemplary embodiments of this disclosure have been described with reference to the accompanying drawings, those skilled in the art will understand that various changes in form and detail may be made therein without departing from the spirit and scope of this disclosure as defined by the appended claims.

Claims

1. A plate-fin cooler based on dual medium split-flow cooling, characterized in that, It comprises an air inlet pipe (1), an air cooling shunt pipe (2), a water cooling shunt pipe (3), an exhaust cylinder (4), an air cooling assembly (5), a cooling fan (6), a water cooling assembly (7), an upper water assembly (8) and a water drainer (9); The air inlet pipe (1) is installed beside the high-temperature working device, the air cooling shunt pipe (2) is installed at one end of the air inlet pipe (1), the water cooling shunt pipe (3) is installed at the side of the air inlet pipe (1), the exhaust cylinder (4) is installed at the output end of the air cooling shunt pipe (2) and the water cooling shunt pipe (3), the air cooling assembly (5) is installed at the side of the corresponding exhaust cylinder (4) of the air cooling shunt pipe (2), the cooling fan (6) is installed at both sides of the air cooling assembly (5), the water cooling assembly (7) is installed at the side of the corresponding exhaust cylinder (4) of the water cooling shunt pipe (3), the upper water assembly (8) is installed above the water cooling assembly (7), and the water drainer (9) is installed at the side of the lower part of the water cooling assembly (7). High-temperature exhaust gas enters the plate-fin cooler from the air inlet pipe (1), and the telescopic ring (14) installed inside the air inlet pipe (1) is controlled according to the air volume, so that the high-temperature exhaust gas is shunted. When the load is small, most of the high-temperature exhaust gas passes through the air cooling assembly (5), and is cooled under the heat exchange action of the inner fin (52) and the outer fin (53); when the load is large, part of the high-temperature exhaust gas enters the water cooling assembly (7) through the intercepting pipe (12) and is cooled by the flowing medium in the water cooling cavity (72). The air inlet pipe (1) comprises a mounting pipe (11), an intercepting pipe (12), a supporting spring (13), a telescopic ring (14), a fixed block (15) and a fixed rod (16). The mounting pipe (11) is installed inside the air inlet pipe (1), the intercepting pipe (12) is installed on the inner surface of the mounting pipe (11), the supporting spring (13) is installed above the mounting pipe (11), the telescopic ring (14) is installed above the supporting spring (13), the fixed block (15) is arranged in the middle of the telescopic ring (14), and the fixed rod (16) is installed on the inner wall of the mounting pipe (11). The outer diameter of the intercepting pipe (12) is consistent with the inner diameter of the mounting pipe (11), the horizontal cross-sectional shape of the fixed block (15) is circular, the edge of the fixed block (15) is rounded, and the fixed rod (16) is provided with four cross-shaped slots.

2. The plate-fin cooler based on dual medium shunt cooling according to claim 1, characterized in that: The air cooling shunt pipe (2) is arranged on the upper and lower sides of the water cooling shunt pipe (3), the top ends of the air cooling shunt pipe (2) and the water cooling shunt pipe (3) are arranged in parallel, and the exhaust cylinder (4) completely surrounds the sides of the air cooling assembly (5) and the water cooling assembly (7) inside.

3. The plate-fin cooler based on dual medium split-flow cooling of claim 1, wherein: Each air cooling assembly (5) is provided with two groups of cooling fans (6), the two groups of cooling fans (6) are installed on the front and rear sides of the air cooling assembly (5), and the directions of the two groups of cooling fans (6) are the same.

4. The dual medium split-flow cooling based plate fin cooler according to claim 1, wherein: The air cooling assembly (5) comprises an air cooling mounting plate (51), an inner fin (52) and an outer fin (53). The air-cooled mounting plate (51) is stacked and mounted in multiple layers to form an air-cooled assembly (5), the air-cooled mounting plate (51) is provided as a hollow cuboid structure, both sides of the air-cooled mounting plate (51) are open structures, and the inside of the air-cooled mounting plate (51) is sequentially and spacedly mounted with an inner fin (52) and an outer fin (53), the inner fin (52) is provided as a "j" shape, and the outer fin (53) is provided as a corrugated shape.

5. The dual medium split-flow cooling based plate fin cooler as claimed in claim 1, wherein: The water-cooled assembly (7) comprises a water-cooled fin (71), a water-cooled cavity (72) and a connecting plate (73). The water-cooled fin (71) is mounted inside the water-cooled assembly (7), the water-cooled cavity (72) is formed in the inside of the water-cooled assembly (7), and the connecting plate (73) is mounted on the side of the water-cooled assembly (7).

6. The dual medium split-flow cooling based plate fin cooler as claimed in claim 5, wherein: The inside of the water-cooled cavity (72) is provided with a spoiler (721), the spoiler (721) is provided as a wave shape, and the side of the water-cooled cavity (72) is provided with a water outlet hole (722).

7. The dual medium split-flow cooling based plate fin cooler as claimed in claim 6, wherein: The inside of the connecting plate (73) is provided with a cooling water flow channel (731), the lower end of the cooling water flow channel (731) is communicated with the water-cooled cavity (72), and the upper end of the cooling water flow channel is communicated with the water outlet hole (722) of the upper water-cooled assembly (7).

8. The dual medium split-flow cooling based plate fin cooler as claimed in claim 1, wherein: The upper water assembly (8) comprises a pump (81), an input pipe (82) and an external pipe (83). The pump (81) is mounted on the upper side of the water-cooled assembly (7), the input pipe (82) is mounted on the side of the pump (81), the input pipe (82) is communicated with the water-cooled assembly (7), and the external pipe (83) is mounted on the other side of the pump (81).

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