A long-life, lightweight, and high-efficiency microchannel heat exchanger

Abstract

This invention relates to a long-life, lightweight, and high-efficiency microchannel heat exchanger. The structure mainly comprises a cooling medium inflow gas collection hood, a cooled medium inflow gas collection hood, a cooling medium outflow gas collection hood, a cooled medium outflow gas collection hood, a heat exchange plate compartment, a transverse flow heat exchange plate, a longitudinal flow heat exchange plate, a longitudinal flow sealing plate, a longitudinal groove sealing plate, a top heat insulation coordinating pressure plate, a bottom heat insulation coordinating pressure plate, a cover plate, and a clamping frame. The transverse flow heat exchange plate, longitudinal flow heat exchange plate, longitudinal flow sealing plate, longitudinal groove sealing plate, top heat insulation coordinating pressure plate, and bottom heat insulation coordinating pressure plate are located in the heat exchange plate compartment and are locked together using locking screws. This heat exchanger structure not only achieves high-efficiency heat exchange but also features low weight, high structural reliability, and good maintainability.

Description

Technical Field

[0001] This invention belongs to the field of turbocharged power generation system structural design, specifically relating to a long-life, lightweight, and high-efficiency microchannel heat exchanger. Background Technology

[0002] The heat exchanger is an important component of the turbocharged power generation system. It enables heat exchange between the working fluid at the turbine outlet and the working fluid at the compressor outlet, allowing for the recovery and utilization of waste heat from the turbine outlet working fluid, thereby improving the thermal cycle efficiency of the turbocharged power generation system.

[0003] The structural reliability of heat exchangers has a significant impact on turbocharged power generation systems. During operation, the cooling and cooled media flow through the internal channels of the heat exchanger along different flow paths, achieving effective heat transfer. In operation, the heat exchanger not only withstands the effects of high-temperature, high-pressure airflow but also external mechanical loads. A failure in the heat exchanger can cause a sharp decline in the performance of the turbocharger system, deviating it from normal operating conditions, and can also lead to leakage of the circulating media, triggering other malfunctions. Therefore, a well-designed heat exchanger structure is crucial for ensuring the operational performance and structural reliability of the turbocharged power generation system.

[0004] To meet the performance and reliability requirements of heat exchangers, they must not only possess high thermal conductivity but also high strength and temperature resistance, capable of withstanding the effects of high-temperature and high-pressure gases. To ensure good performance, lightweight materials and novel structural designs can be employed. Furthermore, to extend the service life of heat exchangers, they should also be easily maintainable.

[0005] To address the requirements of turbocharged power generation systems for heat exchangers in terms of high reliability, lightweight, high efficiency, and maintainability, a reasonable design of the heat exchanger is employed to achieve efficient heat exchange while reducing its weight and ensuring its operational reliability and maintainability. Summary of the Invention

[0006] This invention addresses the performance and reliability requirements of heat exchangers in turbocharged power generation systems by proposing a long-life, lightweight, and highly efficient microchannel heat exchanger. The heat exchanger is assembled from a cooling working fluid inflow and outflow hood, a cooling working fluid inflow and outflow hood, a heat exchange chamber, transverse flow heat exchange plates, longitudinal flow heat exchange plates, a longitudinal flow sealing plate, a longitudinal groove sealing plate, a top heat insulation and coordination pressure plate, a bottom heat insulation and coordination pressure plate, a cover plate, and a clamping frame. The assembled structure is secured with locking screws, forming a complete heat exchanger.

[0007] A long-life, lightweight, and high-efficiency microchannel heat exchanger includes a cooling working fluid inflow gas collection hood, a cooled working fluid inflow gas collection hood, a cooling working fluid outflow gas collection hood, a cooled working fluid outflow gas collection hood, a heat exchange plate silo, a transverse flow heat exchange plate, a longitudinal flow heat exchange plate, a longitudinal flow sealing plate, a longitudinal groove sealing plate, a top heat insulation coordinating pressure plate, a bottom heat insulation coordinating pressure plate, a cover plate, a clamping frame, and locking screws.

[0008] The cooling medium inflow gas collection hood is a truncated cone-shaped cavity structure that transitions from rectangular to circular. One side of the cooling medium inflow gas collection hood has a rectangular frame that is installed on the cooling medium inflow side of the heat exchange plate silo. The rectangular frame of the cooling medium inflow gas collection hood has positioning and sealing bosses that are assembled on the cooling medium inflow side of the heat exchange plate silo. The upper edge of the rectangular frame of the cooling medium inflow gas collection hood has through holes evenly distributed around the perimeter for installing locking screws. The other side of the cooling medium inflow gas collection hood has a flange that is connected to the cooling medium input pipe. The cooling medium inflow gas collection hood is made of titanium-aluminum alloy or ceramic matrix composite material.

[0009] The cooling working fluid inflow gas collection hood is a truncated cone-shaped cavity structure that transitions from rectangular to circular. One side of the cooling working fluid inflow gas collection hood has a rectangular frame that is installed in conjunction with the cooling working fluid inflow side of the heat exchange silo. The rectangular frame of the cooling working fluid inflow gas collection hood has positioning and sealing bosses that are assembled in conjunction with the cooling working fluid inflow side of the heat exchange silo. The bottom of the positioning and sealing bosses of the cooling working fluid inflow gas collection hood is in contact with the clamping frame. The rectangular frame of the cooling working fluid inflow gas collection hood has through holes evenly distributed around its upper edge for installing locking screws. The other side of the cooling working fluid inflow gas collection hood has a flange that is connected to the cooling working fluid output pipe. The cooling working fluid inflow gas collection hood is made of titanium-aluminum alloy or ceramic matrix composite material.

[0010] The cooling medium outlet gas collection hood is a truncated cone-shaped cavity structure that transitions from rectangular to circular. One side of the cooling medium outlet gas collection hood has a rectangular frame that is installed on the cooling medium outlet side of the heat exchange plate silo. The rectangular frame of the cooling medium outlet gas collection hood has positioning and sealing bosses that are assembled with the heat exchange plate silo. The upper edge of the rectangular frame of the cooling medium outlet gas collection hood has through holes evenly distributed around the perimeter for installing locking screws. The other side of the cooling medium outlet gas collection hood has a flange that is connected to the cooling medium output pipe. The cooling medium outlet gas collection hood is made of titanium-aluminum alloy or ceramic matrix composite material.

[0011] The cooling working fluid outlet gas collection hood is a truncated cone-shaped cavity structure that transitions from rectangular to circular. One side of the cooling working fluid outlet gas collection hood has a rectangular frame that is installed on the cooling working fluid outlet side of the heat exchange plate silo. The rectangular frame of the cooling working fluid outlet gas collection hood has positioning and sealing bosses that are assembled with the heat exchange plate silo. The upper edge of the rectangular frame of the cooling working fluid outlet gas collection hood has through holes evenly distributed around the perimeter for installing locking screws. The other side of the cooling working fluid outlet gas collection hood has a flange that is connected to the cooling working fluid inlet pipe. The cooling working fluid outlet gas collection hood is made of titanium-aluminum alloy or ceramic matrix composite material.

[0012] The heat exchange silo has a bottom plate that is assembled with a bottom insulation pressure plate. The heat exchange silo has mounting frames around its perimeter that are assembled with the cooling medium inflow gas collection hood, the cooled medium inflow gas collection hood, the cooling medium outflow gas collection hood, and the cooled medium outflow gas collection hood. Threaded holes for installing locking screws are evenly distributed axially on the rectangular frames around the heat exchange silo. The cooled medium inflow side of the heat exchange silo has a rectangular annular surface that is assembled with a pressure frame. The heat exchange silo has a top plate mounting frame that is assembled with a cover plate. Threaded holes for installing locking screws are evenly distributed axially on the top plate mounting frame. The heat exchange silo is made of titanium-aluminum alloy or ceramic matrix composite material.

[0013] The transverse flow heat exchange plate is placed inside the heat exchange plate compartment. The front side of the transverse flow heat exchange plate has transverse rectangular grooves for the flow of cooling working fluid. Transverse sealing bosses are provided on both sides of the transverse rectangular grooves on the front side of the transverse flow heat exchange plate. The transverse sealing bosses on the front side of the transverse flow heat exchange plate are assembled with the transverse sealing grooves on the back side of the longitudinal flow heat exchange plate. The back side of the transverse flow heat exchange plate has longitudinal sealing grooves. The longitudinal sealing grooves on the back side of the transverse flow heat exchange plate are assembled with the longitudinal sealing bosses on the front side of the longitudinal flow heat exchange plate or the longitudinal bosses on the front side of the longitudinal groove sealing plate. The transverse flow heat exchange plate is made of silicon carbide.

[0014] The longitudinal flow heat exchange plate is located inside the heat exchange plate compartment. The front side of the longitudinal flow heat exchange plate has longitudinal rectangular grooves for the flow of the cooling working fluid. The two sides of the longitudinal rectangular grooves on the front side of the longitudinal flow heat exchange plate are provided with longitudinal sealing bosses. The longitudinal sealing bosses on the front side of the longitudinal flow heat exchange plate are assembled with the longitudinal sealing grooves on the back side of the transverse flow heat exchange plate or the longitudinal sealing grooves on the back side of the longitudinal flow sealing plate. The back side of the longitudinal flow heat exchange plate has transverse sealing grooves. The transverse sealing grooves on the back side of the longitudinal flow heat exchange plate are assembled with the transverse sealing bosses on the front side of the transverse flow heat exchange plate. The longitudinal flow heat exchange plate is made of silicon carbide.

[0015] The longitudinal flow sealing plate is located inside the heat exchange layer silo. The front of the longitudinal flow sealing plate is assembled with the top heat insulation coordination plate, and the back of the longitudinal flow sealing plate has a longitudinal sealing groove that is assembled with the longitudinal sealing boss on the front of the longitudinal flow heat exchange layer. The longitudinal flow sealing plate is made of titanium-aluminum alloy or ceramic matrix composite material.

[0016] The longitudinal groove sealing plate is located inside the heat exchange layer compartment. The front of the longitudinal groove sealing plate has a longitudinal boss that is assembled with the longitudinal sealing groove on the back of the transverse flow heat exchange layer. The back of the longitudinal groove sealing plate is assembled with the bottom heat insulation coordination pressure plate. The longitudinal groove sealing plate is made of titanium-aluminum alloy or ceramic matrix composite material.

[0017] The top heat insulation coordinating pressure plate is located at the top of the heat exchange layer silo. The front of the top heat insulation coordinating pressure plate is in contact with the bottom of the cover plate, and the back of the top heat insulation coordinating pressure plate is in contact with the front of the longitudinal flow sealing plate. The top heat insulation coordinating pressure plate has a structure with a closed outer surface and a hollow middle. The top heat insulation coordinating pressure plate is made of high temperature resistant and lightweight material.

[0018] The bottom heat insulation coordinating pressure plate is located at the bottom of the heat exchange layer silo. The front of the bottom heat insulation coordinating pressure plate is in contact with the back of the longitudinal groove sealing plate, and the back of the bottom heat insulation coordinating pressure plate is in contact with the bottom of the heat exchange layer silo. The bottom heat insulation coordinating pressure plate has a structure with a closed outer surface and a hollow middle. The bottom heat insulation coordinating pressure plate is made of high temperature resistant and lightweight material.

[0019] The cover plate is located on the top of the heat exchange layer silo. The cover plate has a boss and an outer edge that are assembled with the top plate mounting frame of the heat exchange layer silo. The bottom of the cover plate is in contact with the front of the top heat insulation and coordination pressure plate. The outer edge of the cover plate has through holes for installing locking screws evenly distributed along the circumference. The cover plate is made of titanium-aluminum alloy or ceramic matrix composite material.

[0020] The clamping frame is located on the side of the cooling working medium flowing into the heat exchange plate silo. The clamping frame is a rectangular frame. One side of the clamping frame is in contact with the sides of the transverse flow heat exchange plate, the longitudinal flow heat exchange plate, the longitudinal flow sealing plate, the longitudinal groove sealing plate, the top heat insulation coordination pressure plate, and the bottom heat insulation coordination pressure plate. The other side of the clamping frame is in contact with the bottom of the positioning and sealing boss of the cooling working medium flowing into the gas collection hood. The clamping frame is made of titanium-aluminum alloy or ceramic matrix composite material.

[0021] The locking screws pass through the uniformly distributed through holes of the cooling working fluid inflow gas collection hood, the cooled working fluid inflow gas collection hood, the cooling working fluid outflow gas collection hood, the cooled working fluid outflow gas collection hood, the transverse flow heat exchange plate, and the cover plate, and are installed in the threaded holes of the heat exchange plate hopper, thereby achieving the locking of the cooling working fluid inflow gas collection hood, the cooled working fluid inflow gas collection hood, the cooling working fluid outflow gas collection hood, the cooled working fluid outflow gas collection hood, the heat exchange plate hopper, the transverse flow heat exchange plate, the longitudinal flow heat exchange plate, the longitudinal flow sealing plate, the longitudinal groove sealing plate, the top heat insulation coordination pressure plate, the bottom heat insulation coordination pressure plate, the cover plate, and the clamping frame assembly structure.

[0022] Beneficial effects:

[0023] 1. The present invention proposes a long-life, lightweight and efficient microchannel heat exchanger, wherein the cooling working fluid flows into the gas collection hood, the cooled working fluid flows into the gas collection hood, the cooling working fluid flows out of the gas collection hood, and the cooled working fluid flows out of the gas collection hood. It is made of titanium-aluminum alloy or ceramic matrix composite material. While meeting the requirements for high-temperature resistance, it can not only effectively reduce weight, but also significantly reduce heat loss and improve heat exchange efficiency due to its low thermal conductivity.

[0024] 2. The cooling medium flowing into the gas collecting hood, the cooled medium flowing into the gas collecting hood, the cooling medium flowing out of the gas collecting hood, and the cooled medium flowing out of the gas collecting hood are effectively assembled with the heat exchanger silo through their positioning and sealing bosses and locking bolts. This significantly improves the maintainability of the heat exchanger and extends its service life. The heat exchanger silo is made of titanium-aluminum alloy or ceramic matrix composite material, which not only meets the requirements for high temperature resistance and high strength, but also reduces the overall weight of the heat exchanger, achieving lightweight design. In addition, it can reduce heat loss and improve heat exchange efficiency.

[0025] 3. The transverse flow heat exchange plates are located inside the heat exchange plate compartment, effectively improving the structural reliability of the heat exchanger. The transverse flow heat exchange plate has transverse sealing bosses on both sides of the transverse rectangular grooves on its front side, and longitudinal sealing grooves arranged on its back side. Similarly, the longitudinal flow heat exchange plate has longitudinal rectangular grooves on its front side for the flow of the cooled working fluid, longitudinal sealing bosses on both sides of the longitudinal rectangular grooves on its front side, and transverse sealing grooves arranged on its back side. These structural features not only ensure effective sealing and assembly between the transverse and longitudinal flow heat exchange plates, the longitudinal groove sealing plates, and the longitudinal flow sealing plates, but also eliminate the need for welding these parts, improving the maintainability of the heat exchanger. Both the transverse and longitudinal flow heat exchange plates are made of silicon carbide, which not only improves heat exchange efficiency but also effectively reduces the weight of the heat exchanger, achieving lightweight design.

[0026] 4. The top and bottom heat insulation plates adopt a structure with closed outer surfaces and hollowed-out middle, which can not only effectively reduce the energy loss of the heat exchanger and improve the efficiency of the heat exchanger, but also effectively reduce the weight.

[0027] 5. The cover plate is assembled with the heat exchanger silo using locking screws, achieving compression of the transverse flow heat exchanger plate, longitudinal flow heat exchanger plate, longitudinal groove sealing plate, and longitudinal flow sealing plate assembly structure, further improving structural reliability and enhancing the maintainability of the heat exchanger. The clamping frame, through its assembly with the cooling working fluid inflow hood and the heat exchanger silo, achieves horizontal compression of the transverse flow heat exchanger plate, longitudinal flow heat exchanger plate, longitudinal flow sealing plate, longitudinal groove sealing plate, top insulation coordinating pressure plate, and bottom insulation coordinating pressure plate with the heat exchanger silo, further improving the operational reliability of the heat exchanger. The cover plate and clamping frame are made of titanium-aluminum alloy or ceramic matrix composite material, effectively reducing the weight of the heat exchanger.

[0028] 6. The locking screws not only secure the assembly structure of the cooling working fluid inflow and outflow hood, the cooling working fluid inflow and outflow hood, the heat exchange plate silo, the transverse flow heat exchange plate, the longitudinal flow heat exchange plate, the longitudinal flow sealing plate, the longitudinal groove sealing plate, the top heat insulation coordination pressure plate, the bottom heat insulation coordination pressure plate, the cover plate, and the clamping frame, but also facilitate disassembly and assembly, avoid the use of welding processes, effectively improve the maintainability of the heat exchanger, and extend the service life of the heat exchanger. Attached Figure Description

[0029] Figure 1 This is a top view schematic diagram of a long-life, lightweight, and highly efficient microchannel heat exchanger.

[0030] Figure 2 This is a side view schematic diagram of a long-life, lightweight, and efficient microchannel heat exchanger.

[0031] Figure 3 This is a cross-sectional structural diagram of a long-life, lightweight, and efficient microchannel heat exchanger.

[0032] 1-Cooling medium flows into the gas collection hood; 2-Cooled medium flows into the gas collection hood; 3-Cooling medium flows out of the gas collection hood; 4-Cooled medium flows out of the gas collection hood; 5-Heat exchange plate silo; 6-Transverse flow heat exchange plate; 7-Vertical flow heat exchange plate; 8-Vertical flow sealing plate; 9-Vertical groove sealing plate; 10-Top heat insulation coordination pressure plate; 11-Bottom heat insulation coordination pressure plate; 12-Cover plate; 13-Pressure frame. Detailed Implementation

[0033] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0034] As attached Figure 1 , 2 As shown in Figure 3, the present invention provides a long-life, lightweight, and efficient microchannel heat exchanger, comprising a cooling working fluid inflow gas collection hood 1, a cooled working fluid inflow gas collection hood 2, a cooling working fluid outflow gas collection hood 3, a cooled working fluid outflow gas collection hood 4, a heat exchange plate hopper 5, a transverse flow heat exchange plate 6, a longitudinal flow heat exchange plate 7, a longitudinal flow sealing plate 8, a longitudinal groove sealing plate 9, a top heat insulation coordinating pressure plate 10, a bottom heat insulation coordinating pressure plate 11, a cover plate 12, a clamping frame 13, and locking screws.

[0035] The cooling medium inflow gas collection hood 1 is a truncated cone-shaped cavity structure that transitions from rectangular to circular. One side of the cooling medium inflow gas collection hood 1 has a rectangular frame that is installed on the cooling medium inflow side of the heat exchange plate silo 5. The rectangular frame of the cooling medium inflow gas collection hood 1 has positioning and sealing bosses that are assembled on the cooling medium inflow side of the heat exchange plate silo 5. The upper edge of the rectangular frame of the cooling medium inflow gas collection hood 1 has through holes evenly distributed around the perimeter for installing locking screws. The other side of the cooling medium inflow gas collection hood 1 has a flange that is connected to the cooling medium input pipe. The cooling medium inflow gas collection hood 1 is made of titanium-aluminum alloy or ceramic matrix composite material.

[0036] The cooling working fluid inflow gas collection hood 2 is a truncated cone-shaped cavity structure that transitions from rectangular to circular. One side of the cooling working fluid inflow gas collection hood 2 has a rectangular frame that is installed on the cooling working fluid inflow side of the heat exchange silo. The rectangular frame of the cooling working fluid inflow gas collection hood 2 has positioning and sealing bosses that are assembled with the cooling working fluid inflow side of the heat exchange silo 5. The bottom of the positioning and sealing bosses of the cooling working fluid inflow gas collection hood 2 is in contact with the clamping frame 13. The rectangular frame of the cooling working fluid inflow gas collection hood 2 has through holes evenly distributed around its upper edge for installing locking screws. The other side of the cooling working fluid inflow gas collection hood 2 has a flange connected to the cooling working fluid output pipe. The cooling working fluid inflow gas collection hood 2 is made of titanium-aluminum alloy or ceramic matrix composite material.

[0037] The cooling medium outlet gas collection hood 3 is a truncated cone-shaped cavity structure that transitions from rectangular to circular. One side of the cooling medium outlet gas collection hood 3 has a rectangular frame that is installed on the cooling medium outlet side of the heat exchange plate 5. The rectangular frame of the cooling medium outlet gas collection hood 3 has positioning and sealing bosses that are assembled with the heat exchange plate 5. The upper edge of the rectangular frame of the cooling medium outlet gas collection hood 3 has through holes evenly distributed around it for installing locking screws. The other side of the cooling medium outlet gas collection hood 3 has a flange that is connected to the cooling medium output pipe. The cooling medium outlet gas collection hood 3 is made of titanium-aluminum alloy or ceramic matrix composite material.

[0038] The cooled working fluid outlet gas collection hood 4 is a truncated cone-shaped cavity structure that transitions from rectangular to circular. One side of the cooled working fluid outlet gas collection hood 4 has a rectangular frame that is installed on the cooled working fluid outlet side of the heat exchange plate silo 5. The rectangular frame of the cooled working fluid outlet gas collection hood 4 has positioning and sealing bosses that are assembled with the heat exchange plate silo 5. The upper edge of the rectangular frame of the cooled working fluid outlet gas collection hood 4 has through holes evenly distributed around the perimeter for installing locking screws. The other side of the cooled working fluid outlet gas collection hood 4 has a flange that is connected to the cooling working fluid inlet pipe. The cooled working fluid outlet gas collection hood 4 is made of titanium-aluminum alloy or ceramic matrix composite material.

[0039] The heat exchange silo 5 has a bottom plate that is assembled with the bottom heat insulation and coordination pressure plate 11. The heat exchange silo 5 is provided with mounting frames that are assembled with the cooling working fluid inflow gas collection hood 1, the cooled working fluid inflow gas collection hood 2, the cooling working fluid outflow gas collection hood 3, and the cooled working fluid outflow gas collection hood 4. The rectangular frame around the heat exchange silo 5 has threaded holes for installing locking screws evenly distributed along the axial direction. The cooled working fluid inflow side of the heat exchange silo 5 has a rectangular ring surface that is assembled with the pressure frame 13. The top of the heat exchange silo 5 has a top plate mounting frame that is assembled with the cover plate 12. The top plate mounting frame of the heat exchange silo 5 has threaded holes for installing locking screws evenly distributed along the axial direction. The heat exchange silo 5 is made of titanium-aluminum alloy or ceramic matrix composite material.

[0040] The transverse flow heat exchange plate 6 is placed inside the heat exchange plate compartment 5. The front side of the transverse flow heat exchange plate 6 has transverse rectangular grooves for the flow of cooling working fluid. The two sides of the transverse rectangular grooves on the front side of the transverse flow heat exchange plate 6 are provided with transverse sealing bosses. The transverse sealing bosses on the front side of the transverse flow heat exchange plate 6 are assembled with the transverse sealing grooves on the back side of the longitudinal flow heat exchange plate 7. The back side of the transverse flow heat exchange plate 6 has longitudinal sealing grooves. The longitudinal sealing grooves on the back side of the transverse flow heat exchange plate 6 are assembled with the longitudinal sealing bosses on the front side of the longitudinal flow heat exchange plate 7 or the longitudinal bosses on the front side of the longitudinal groove sealing plate 9. The transverse flow heat exchange plate 6 is made of silicon carbide.

[0041] The longitudinal flow heat exchange plate 7 is located inside the heat exchange plate compartment 5. The front side of the longitudinal flow heat exchange plate 7 has longitudinal rectangular grooves for the flow of the cooling working fluid. The two sides of the longitudinal rectangular grooves on the front side of the longitudinal flow heat exchange plate 7 are provided with longitudinal sealing bosses. The longitudinal sealing bosses on the front side of the longitudinal flow heat exchange plate 7 are assembled with the longitudinal sealing grooves on the back side of the transverse flow heat exchange plate 6 or the longitudinal flow sealing plate 8. The back side of the longitudinal flow heat exchange plate 7 has transverse sealing grooves. The transverse sealing grooves on the back side of the longitudinal flow heat exchange plate 7 are assembled with the transverse sealing bosses on the front side of the transverse flow heat exchange plate 6. The longitudinal flow heat exchange plate 7 is made of silicon carbide.

[0042] The longitudinal flow sealing plate 8 is located inside the heat exchange layer 5. The front side of the longitudinal flow sealing plate 8 is assembled with the top heat insulation coordination plate 10. The back side of the longitudinal flow sealing plate 8 has a longitudinal sealing groove that is assembled with the longitudinal sealing boss on the front side of the longitudinal flow heat exchange layer 7. The longitudinal flow sealing plate 8 is made of titanium-aluminum alloy or ceramic matrix composite material.

[0043] The longitudinal groove sealing plate 9 is located inside the heat exchange layer 5. The front of the longitudinal groove sealing plate 9 has a longitudinal boss that is assembled with the longitudinal sealing groove on the back of the transverse flow heat exchange layer 6. The back of the longitudinal groove sealing plate 9 is assembled with the bottom heat insulation coordination pressure plate 11. The longitudinal groove sealing plate 9 is made of titanium-aluminum alloy or ceramic matrix composite material.

[0044] The top heat insulation coordinating pressure plate 10 is located on the top of the heat exchange layer 5. The front of the top heat insulation coordinating pressure plate 10 is in contact with the bottom of the cover plate 12, and the back of the top heat insulation coordinating pressure plate 10 is in contact with the front of the longitudinal flow sealing plate 8. The top heat insulation coordinating pressure plate 10 has a structure with a closed outer surface and a hollow middle. The top heat insulation coordinating pressure plate 10 is made of high temperature resistant and lightweight material.

[0045] The bottom heat insulation coordinating pressure plate 11 is located at the bottom of the heat exchange layer 5. The front of the bottom heat insulation coordinating pressure plate 11 is in contact with the back of the longitudinal groove sealing plate 9, and the back of the bottom heat insulation coordinating pressure plate 11 is in contact with the bottom of the heat exchange layer 5. The bottom heat insulation coordinating pressure plate 11 has a structure with a closed outer surface and a hollow middle. The bottom heat insulation coordinating pressure plate 11 is made of high temperature resistant and lightweight material.

[0046] The cover plate 12 is located on the top of the heat exchange plate 5. The cover plate 12 has a boss and an outer edge that are assembled with the top plate mounting frame of the heat exchange plate 5. The bottom of the cover plate 12 is in contact with the front of the top heat insulation coordination pressure plate 10. The outer edge of the cover plate 12 has through holes for installing locking screws evenly distributed along the circumference. The cover plate 12 is made of titanium-aluminum alloy or ceramic matrix composite material.

[0047] The clamping frame 13 is located on the side of the cooling working medium flowing into the heat exchange plate 5. The clamping frame 13 is a rectangular frame. One side of the clamping frame 13 is in contact with the sides of the transverse flow heat exchange plate 6, the longitudinal flow heat exchange plate 7, the longitudinal flow sealing plate 8, the longitudinal groove sealing plate 9, the top heat insulation coordination pressure plate 10, and the bottom heat insulation coordination pressure plate 11. The other side of the clamping frame 13 is in contact with the bottom of the positioning and sealing boss of the cooling working medium flowing into the gas collection hood 2. The clamping frame 13 is made of titanium-aluminum alloy or ceramic matrix composite material.

[0048] The locking screws pass through the uniformly distributed through holes of the cooling working medium inflow gas collecting hood 1, the cooled working medium inflow gas collecting hood 2, the cooling working medium outflow gas collecting hood 3, the cooled working medium outflow gas collecting hood 4, the transverse flow heat exchange plate 6, and the cover plate 12, and are installed in the threaded holes of the heat exchange plate hopper 5, thereby achieving the locking of the assembly structure of the cooling working medium inflow gas collecting hood 1, the cooled working medium inflow gas collecting hood 2, the cooling working medium outflow gas collecting hood 3, the cooled working medium outflow gas collecting hood 4, the heat exchange plate hopper 5, the transverse flow heat exchange plate 6, the longitudinal flow heat exchange plate 7, the longitudinal flow sealing plate 8, the longitudinal groove sealing plate 9, the top heat insulation coordination pressure plate 10, the bottom heat insulation coordination pressure plate 11, the cover plate 12, and the clamping frame 13.

[0049] In summary, the above are merely preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A long-life, lightweight, and high-efficiency microchannel heat exchanger, characterized in that: Includes a cooling working medium inflow gas collection hood (1), a cooled working medium inflow gas collection hood (2), a cooling working medium outflow gas collection hood (3), a cooled working medium outflow gas collection hood (4), a heat exchange plate silo (5), a transverse flow heat exchange plate (6), a longitudinal flow heat exchange plate (7), a longitudinal flow sealing plate (8), a longitudinal groove sealing plate (9), a top heat insulation coordination pressure plate (10), a bottom heat insulation coordination pressure plate (11), a cover plate (12), a clamping frame (13), and locking screws; The cooling working fluid inflow gas collection hood (1) is a cone-shaped cavity structure that transitions from rectangular to circular. One side of the cooling working fluid inflow gas collection hood (1) has a rectangular frame that is installed in the same direction as the cooling working fluid inflow side of the heat exchange plate silo (5). The rectangular frame of the cooling working fluid inflow gas collection hood (1) has positioning and sealing bosses that are assembled in the same direction as the cooling working fluid inflow side of the heat exchange plate silo (5). The upper edge of the rectangular frame of the cooling working fluid inflow gas collection hood (1) has through holes for installing locking screws evenly distributed around it. The other side of the cooling working fluid inflow gas collection hood (1) has a flange connected to the cooling working fluid input pipe. The cooling working fluid inflow gas collection hood (1) is made of titanium-aluminum alloy or ceramic matrix composite material. The cooling working medium inflow gas collection hood (2) is a cone-shaped cavity structure that transitions from rectangular to circular. One side of the cooling working medium inflow gas collection hood (2) has a rectangular frame that is installed in the same direction as the cooling working medium inflow side of the heat exchange plate silo. The rectangular frame of the cooling working medium inflow gas collection hood (2) has a positioning and sealing boss that is assembled in the same direction as the cooling working medium inflow side of the heat exchange plate silo (5). The bottom of the positioning and sealing boss of the cooling working medium inflow gas collection hood (2) is in contact with the clamping frame (13). The rectangular frame of the cooling working medium inflow gas collection hood (2) has through holes for installing locking screws evenly distributed around its upper edge. The other side of the cooling working medium inflow gas collection hood (2) has a flange connected to the cooling working medium output pipe. The cooling working medium inflow gas collection hood (2) is made of titanium-aluminum alloy or ceramic matrix composite material. The cooling working fluid outlet gas collection hood (3) is a cone-shaped cavity structure that transitions from rectangular to circular. One side of the cooling working fluid outlet gas collection hood (3) has a rectangular frame that is installed on the cooling working fluid outlet side of the heat exchange plate silo (5). The rectangular frame of the cooling working fluid outlet gas collection hood (3) has positioning and sealing bosses that are assembled with the heat exchange plate silo (5). The rectangular frame of the cooling working fluid outlet gas collection hood (3) has through holes for installing locking screws evenly distributed around its upper edge. The other side of the cooling working fluid outlet gas collection hood (3) has a flange that is connected to the cooling working fluid output pipe. The cooling working fluid outlet gas collection hood (3) is made of titanium-aluminum alloy or ceramic matrix composite material. The cooling working medium outflow gas collection hood (4) is a cone-shaped cavity structure that transitions from rectangular to circular. One side of the cooling working medium outflow gas collection hood (4) has a rectangular frame that is installed on the cooling working medium outflow side of the heat exchange plate silo (5). The rectangular frame of the cooling working medium outflow gas collection hood (4) has positioning and sealing bosses that are assembled with the heat exchange plate silo (5). The rectangular frame of the cooling working medium outflow gas collection hood (4) has through holes for installing locking screws evenly distributed around its upper edge. The other side of the cooling working medium outflow gas collection hood (4) has a flange connected to the cooling working medium inlet pipe. The cooling working medium outflow gas collection hood (4) is made of titanium-aluminum alloy or ceramic matrix composite material. The bottom of the heat exchange silo (5) is equipped with a bottom plate that is fitted with a bottom heat insulation coordination plate (11). The heat exchange silo (5) is provided with mounting frames that are fitted with the cooling working medium inflow gas collection hood (1), the cooled working medium inflow gas collection hood (2), the cooling working medium outflow gas collection hood (3), and the cooled working medium outflow gas collection hood (4) on its four sides. The rectangular frame around the heat exchange silo (5) is evenly distributed with threaded holes for installing locking screws along the axial direction. The cooled working medium inflow side of the heat exchange silo (5) is equipped with a rectangular ring surface that is fitted with a pressure frame (13). The top of the heat exchange silo (5) is equipped with a top plate mounting frame that is fitted with a cover plate (12). The top plate mounting frame of the heat exchange silo (5) is evenly distributed with threaded holes for installing locking screws along the axial direction. The transverse flow heat exchange plate (6) is placed inside the heat exchange plate compartment (5). The front side of the transverse flow heat exchange plate (6) is provided with transverse rectangular grooves for the flow of cooling working fluid. The two sides of the transverse rectangular grooves on the front side of the transverse flow heat exchange plate (6) are provided with transverse sealing bosses. The transverse sealing bosses on the front side of the transverse flow heat exchange plate (6) are assembled with the transverse sealing grooves on the back side of the longitudinal flow heat exchange plate (7). The back side of the transverse flow heat exchange plate (6) is provided with longitudinal sealing grooves. The longitudinal sealing grooves on the back side of the transverse flow heat exchange plate (6) are assembled with the longitudinal sealing bosses on the front side of the longitudinal flow heat exchange plate (7) or the longitudinal bosses on the front side of the longitudinal groove sealing plate (9). The transverse flow heat exchange plate (6) is made of silicon carbide. The longitudinal flow heat exchange plate (7) is located inside the heat exchange plate compartment (5). The front of the longitudinal flow heat exchange plate (7) is arranged with longitudinal rectangular grooves for the flow of the cooling working fluid. The two sides of the longitudinal rectangular grooves on the front of the longitudinal flow heat exchange plate (7) are provided with longitudinal sealing bosses. The longitudinal sealing bosses on the front of the longitudinal flow heat exchange plate (7) are assembled with the longitudinal sealing grooves on the back of the transverse flow heat exchange plate (6) or the longitudinal sealing grooves on the back of the longitudinal flow sealing plate (8). The back of the longitudinal flow heat exchange plate (7) is arranged with transverse sealing grooves. The transverse sealing grooves on the back of the longitudinal flow heat exchange plate (7) are assembled with the transverse sealing bosses on the front of the transverse flow heat exchange plate (6). The longitudinal flow heat exchange plate (7) is made of silicon carbide. The top heat insulation coordination plate (10) is located at the top of the heat exchange layer silo (5). The front of the top heat insulation coordination plate (10) is in contact with the bottom of the cover plate (12), and the back of the top heat insulation coordination plate (10) is in contact with the front of the longitudinal flow sealing plate (8). The bottom heat insulation coordination plate (11) is located at the bottom of the heat exchange layer silo (5). The front of the bottom heat insulation coordination plate (11) is in contact with the back of the longitudinal groove sealing plate (9), and the back of the bottom heat insulation coordination plate (11) is in contact with the bottom of the heat exchange layer silo (5). The cover plate (12) is located on the top of the heat exchange plate silo (5). The cover plate (12) has a boss and an outer eave that are fitted together with the top plate mounting frame of the heat exchange plate silo (5). The bottom of the cover plate (12) is in contact with the front of the top heat insulation coordination pressure plate (10). The outer eave of the cover plate (12) has through holes for installing locking screws evenly distributed along the circumference. The clamping frame (13) is located on the side of the cooling working medium inflow of the heat exchange plate silo (5). The clamping frame (13) is a rectangular frame. One side of the clamping frame (13) is in contact with the side of the transverse flow heat exchange plate (6), the longitudinal flow heat exchange plate (7), the longitudinal flow sealing plate (8), the longitudinal groove sealing plate (9), the top heat insulation coordination plate (10), and the bottom heat insulation coordination plate (11). The other side of the clamping frame (13) is in contact with the bottom of the positioning and sealing boss of the cooling working medium inflow gas collection hood (2).

2. The long-life, lightweight, and high-efficiency microchannel heat exchanger according to claim 1, characterized in that: The heat exchange silo (5) is made of titanium-aluminum alloy or ceramic matrix composite material.

3. The long-life, lightweight, and high-efficiency microchannel heat exchanger according to claim 2, characterized in that: The longitudinal flow sealing plate (8) is located inside the heat exchange layer silo (5). The front of the longitudinal flow sealing plate (8) is assembled with the top heat insulation coordination plate (10). The back of the longitudinal flow sealing plate (8) has a longitudinal sealing groove that is assembled with the longitudinal sealing boss on the front of the longitudinal flow heat exchange layer (7). The longitudinal flow sealing plate (8) is made of titanium-aluminum alloy or ceramic matrix composite material.

4. The long-life, lightweight, and high-efficiency microchannel heat exchanger according to claim 3, characterized in that: The longitudinal groove sealing plate (9) is located inside the heat exchange layer silo (5). The front of the longitudinal groove sealing plate (9) has a longitudinal boss that is assembled with the longitudinal sealing groove on the back of the transverse flow heat exchange layer (6). The back of the longitudinal groove sealing plate (9) is assembled with the bottom heat insulation coordination plate (11). The longitudinal groove sealing plate (9) is made of titanium-aluminum alloy or ceramic matrix composite material.

5. A long-life, lightweight, and high-efficiency microchannel heat exchanger according to claim 4, characterized in that: The top heat insulation and coordination plate (10) has a closed outer surface and a hollow middle structure. The top heat insulation and coordination plate (10) is made of high temperature resistant and lightweight material.

6. The long-life, lightweight, and high-efficiency microchannel heat exchanger according to claim 5, characterized in that: The bottom heat insulation and coordination plate (11) has a closed outer surface and a hollow middle structure. The bottom heat insulation and coordination plate (11) is made of high temperature resistant and lightweight material.

7. A long-life, lightweight, and high-efficiency microchannel heat exchanger according to claim 6, characterized in that: The cover plate (12) is made of titanium-aluminum alloy or ceramic matrix composite material.

8. A long-life, lightweight, and high-efficiency microchannel heat exchanger according to claim 7, characterized in that: The clamping frame (13) is made of titanium-aluminum alloy or ceramic matrix composite material.

9. A long-life, lightweight, and high-efficiency microchannel heat exchanger according to claim 7 or 8, characterized in that: The locking screws pass through the uniformly distributed through holes of the cooling working medium inflow gas collection hood (1), the cooled working medium inflow gas collection hood (2), the cooling working medium outflow gas collection hood (3), the cooled working medium outflow gas collection hood (4), the transverse flow heat exchange plate (6), and the cover plate (12), and are installed in the threaded holes of the heat exchange plate hopper (5) to achieve locking of the assembly structure of the cooling working medium inflow gas collection hood (1), the cooled working medium inflow gas collection hood (2), the cooling working medium outflow gas collection hood (3), the cooled working medium outflow gas collection hood (4), the heat exchange plate hopper (5), the transverse flow heat exchange plate (6), the longitudinal flow heat exchange plate (7), the longitudinal flow sealing plate (8), the longitudinal groove sealing plate (9), the top heat insulation coordination pressure plate (10), the bottom heat insulation coordination pressure plate (11), the cover plate (12), and the clamping frame (13).

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