Energy-saving plate-fin heat exchanger

Abstract

The application relates to the technical field of heat exchangers, and discloses an energy-saving plate-fin heat exchanger, which comprises a front end plate, one side of the front end plate is provided with a threaded assembly, the side of the threaded assembly is provided with a pressing plate assembly, one side of the pressing plate assembly is provided with a servo motor, the servo motor is provided with a rotating roller around, both ends of the pressing plate assembly are provided with rotating brush assemblies, and the back of the pressing plate assembly is provided with a heat exchange assembly, the threaded assembly comprises a connecting rod, one end of the connecting rod is provided with a threaded rod, the pressing plate assembly comprises a rear end plate, one side of the rear end plate is provided with a threaded sleeve, the servo motor cooperates with the rotating roller to drive the pressing plate assembly to interact with the threaded assembly, so that the pressing plate assembly moves, the heat exchange assembly is tightly sealed and stably unfolded, and the servo motor cooperates with the rotating brush assembly, so that the problem that the fins are difficult to disassemble and are prone to falling off during disassembly, thereby causing further damage, is solved.

Description

Technical Field

[0001] This invention relates to the field of heat exchanger technology, and more specifically to an energy-saving plate-fin heat exchanger. Background Technology

[0002] Plate-fin heat exchangers are efficient, compact, and lightweight indirect heat exchange devices. Their core consists of baffles, fins, seals, and guide vanes brazed together. They are widely used for gas-gas, gas-liquid, liquid-liquid, and multi-flow heat exchange, and are particularly suitable for low-temperature, high-pressure, and space-constrained applications. The basic unit mainly consists of baffles, fins, and seals. Multiple layers of baffles and fins are stacked alternately, each layer sealed with a seal to form an independent fluid channel. Multiple channel layers are stacked according to the design and brazed together to form the core of the heat exchanger. Existing plate-fin heat exchangers use this method of integral brazing or screw fastening, making fin disassembly difficult in case of failure. Furthermore, due to the stacking, fins are prone to falling off during disassembly, causing further damage. In addition, cleaning the interior of traditional plate-fin heat exchangers is extremely difficult, requiring not only complete disassembly of the heat exchanger but also individual processing of each fin, which is laborious and cumbersome. Therefore, we propose an energy-saving plate-fin heat exchanger to solve the above problems. Summary of the Invention

[0003] In order to overcome the above-mentioned defects of the prior art, the present invention provides an energy-saving plate-fin heat exchanger to solve the problems existing in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: an energy-saving plate-fin heat exchanger, comprising a front end plate, a threaded assembly mounted on one side of the front end plate, a pressure plate assembly mounted on the side of the threaded assembly, a servo motor mounted on one side of the pressure plate assembly, a rotating roller mounted around the servo motor, rotating brush assemblies mounted at both ends of the pressure plate assembly, and a heat exchange assembly mounted on the back of the pressure plate assembly, the threaded assembly comprising a connecting rod, a threaded rod mounted at one end of the connecting rod, and the pressure plate assembly comprising a rear end plate, a threaded sleeve mounted on one side of the rear end plate; With the cooperation of the rotating roller, the servo motor drives the pressure plate assembly and the thread assembly to interact, so that the pressure plate assembly moves to achieve the pressing and sealing of the heat exchange assembly and stable unfolding. The servo motor and the rotating brush assembly cooperate to clean the inside of the heat exchange assembly after it is unfolded. One end of the threaded rod is fixedly connected to a sleeve rod, and a limit ring is fixedly sleeved on the side of the middle part of the sleeve rod. After the heat exchange assembly is deployed, the servo motor continues to drive the threaded sleeve, so that the threaded sleeve rotates without lateral force at the position between the end of the threaded rod and the limit ring, so that the rear end plate remains stationary.

[0005] Furthermore, threaded assemblies are fixedly sleeved at the four corners of the front end plate, and pressure plate assemblies are rotatably sleeved on the sides of the four threaded assemblies, with the four threaded assemblies respectively rotatably sleeved at the four corners of the pressure plate assemblies.

[0006] Furthermore, a hot flow inlet pipe is fixedly connected to the upper left corner of the front end plate, a hot flow outlet pipe is fixedly connected to the lower left corner of the front end plate, a cold flow outlet pipe is fixedly connected to the upper right corner of the front end plate, and a cold flow inlet pipe is fixedly connected to the lower right corner of the front end plate.

[0007] Furthermore, both ends of the pressure plate assembly are rotatably sleeved on the side of the rotary brush assembly, and the back of the pressure plate assembly is fixedly connected to one end of the heat exchange assembly.

[0008] Furthermore, one side of the connecting rod is fixedly sleeved onto a corner of the front end plate, and the other end of the connecting rod is fixedly connected to a threaded rod.

[0009] Furthermore, the pressure plate assembly includes a rear end plate, and each of the four corners of one side of the rear end plate is provided with a round hole. Each of the four corners of one side of the rear end plate is rotatably connected to one end of a threaded sleeve, and the four round holes are respectively connected to the four threaded sleeves. One end of each of the four threaded sleeves is fixedly connected to a main bevel gear.

[0010] Furthermore, guide rods are movably sleeved on the top and bottom of the rear end plate, and one end of each guide rod is fixedly sleeved on the top and bottom of the front end plate, respectively. A servo motor is fixedly connected to the middle of one side of the rear end plate, and a second main bevel gear is fixedly connected to the drive end of the servo motor. A connecting shaft is fixedly connected to the middle of the front of the second main bevel gear. Four rotating rollers are rotatably connected to the side of the second main bevel gear. Auxiliary bevel gears are fixedly connected to both ends of each rotating roller, and the two auxiliary bevel gears mesh with the first and second main bevel gears, respectively. A side plate is rotatably sleeved on the side of each rotating roller, and the side plate is fixedly connected to one side of the rear end plate. Two transmission belts are fixedly connected to one end of the connecting shaft, and one end of each transmission belt is fixedly connected to one end of each of the two rotating brush assemblies.

[0011] Furthermore, the rotary brush assembly includes a rotating shaft, a plurality of hinge seats are fixedly connected to the side of the rotating shaft, and the plurality of hinge seats are staggered. A brush plate is rotatably sleeved on the top of each of the hinge seats. The side of the brush plate is provided with a brush. A spring mechanism is provided at the connection between the brush plate and the hinge seat. One end of the rotating shaft is fixedly connected to one end of the transmission belt.

[0012] Furthermore, the heat exchange assembly includes several plate bundle assemblies, and two plate carrier sleeves are slidably sleeved on the top and bottom of each plate bundle assembly. Telescopic components are fixedly connected to the sides of the plate carrier sleeves, and the two ends of the telescopic components are fixedly connected to the inner sides of the front end plate and the rear end plate, respectively.

[0013] Furthermore, the plate bundle assembly includes fins, and a partition is fixedly connected to the back of the fins. The fins and the partition form a heat exchange plate unit, and two plate carrier sleeves are slidably sleeved at the top and bottom of the heat exchange plate unit. The telescopic assembly includes several intersecting movable parts, each of which has a ring rail slidably fitted on both sides. Each of the ring rails has a fixed plate fixedly connected to one side, and a connecting pipe is fixedly connected between two adjacent fixed plates. The bottom of the fixed plate is fixedly connected to the outside of the slide holder, and the number of both is the same.

[0014] The technical effects and advantages of this invention are as follows: 1. A servo motor drives the second main bevel gear to rotate. Under the transmission of the rotating roller, the first main bevel gear rotates, synchronously driving the threaded sleeve. Under the mutual lateral force of the threaded rod and the threaded sleeve, the rear end plate moves. The rear end plate moves forward to clamp and seal the heat exchange assembly. The rear end plate moves backward, pulling the telescopic assembly to unfold it. The telescopic assembly is fixed on the fin carrier sleeve, thereby widening the gap between adjacent fin carrier sleeves, thus opening the plate bundle assembly and exposing the fins to the outside for easy fin processing. Throughout the opening process, the plate bundle assembly remains stably fitted inside the fin carrier sleeve. This process solves the problem of existing plate-fin heat exchangers using integral brazing or screw fastening, which makes fin disassembly difficult in case of failure and causes fins to easily fall off and cause further damage due to stacking. When maintenance or cleaning is required, the heat exchange assembly can be stably unfolded without damaging the fins, avoiding a decrease in heat exchange efficiency due to deformation or damage, thus achieving energy-saving effects.

[0015] 2. When the plate bundle assembly is opened, the servo motor still drives the threaded sleeve to rotate. At this time, the threaded sleeve moves to the position between the limiting ring of the sleeve rod and the threaded rod, losing the interaction between the threads. The rear end plate remains stationary. At this time, the servo motor drives the rotating shaft to rotate through the transmission belt. Under the action of rotational centrifugal force, the brush plate unfolds and rotates between adjacent plate bundle assemblies around the rotating shaft. This allows the brushes on the side of the brush plate to clean the surface of the fins, preventing scale buildup in the fins. This process solves the problem that cleaning the inside of traditional plate-fin heat exchangers is extremely difficult, requiring not only the entire heat exchanger to be disassembled but also individual fins to be processed, which is laborious and cumbersome. Attached Figure Description

[0016] Figure 1This is a schematic diagram of the overall front structure of the present invention; Figure 2 This is a schematic diagram of the overall side structure of the present invention; Figure 3 This is a schematic diagram of the threaded assembly structure of the present invention; Figure 4 This is a schematic diagram of the pressure plate assembly structure of the present invention; Figure 5 This is a schematic diagram of the device drive structure of the present invention; Figure 6 This is a schematic diagram of the rotary brush assembly structure of the present invention; Figure 7 This is a schematic diagram of the heat exchange component structure of the present invention; Figure 8 This is a schematic diagram of the exploded structure of the plate bundle assembly of the present invention; Figure 9 This is a schematic diagram of the telescopic component structure of the present invention.

[0017] The attached figures are labeled as follows: 1. Front end plate; 101. Threaded assembly; 1011. Connecting rod; 1012. Threaded rod; 1013. Sleeve rod; 102. Pressure plate assembly; 1021. Rear end plate; 1022. Threaded sleeve; 1023. Main bevel gear one; 103. Servo motor; 104. Main bevel gear two; 105. Rotating roller; 2. Spinning brush assembly; 201. Rotating shaft; 202. Brush plate; 3. Heat exchange assembly; 301. Plate bundle assembly; 3011. Fin; 3012. Partition; 302. Plate carrier sleeve; 303. Telescopic assembly; 3031. Cross moving part; 3032. Ring rail; 3033. Connecting pipe. Detailed Implementation

[0018] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. The energy-saving plate-fin heat exchanger involved in the present invention is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] Reference Figure 1This invention provides an energy-saving plate-fin heat exchanger, including a front end plate 1. Threaded assemblies 101 are fixedly sleeved at the four corners of the front end plate 1. Pressure plate assemblies 102 are rotatably sleeved on the sides of the four threaded assemblies 101, and the four threaded assemblies 101 are respectively rotatably sleeved at the four corners of the pressure plate assemblies 102. A hot flow inlet pipe is fixedly connected to the upper left corner of the front side of the front end plate 1, a hot flow outlet pipe is fixedly connected to the lower left corner of the front side of the front end plate 1, a cold flow outlet pipe is fixedly connected to the upper right corner of the front side of the front end plate 1, and a cold flow inlet pipe is fixedly connected to the lower right corner of the front side of the front end plate 1.

[0020] In this embodiment, it should be specifically explained that the hot flow inlet pipe, hot flow outlet pipe, cold flow inlet pipe, and cold flow outlet pipe are used for the introduction and export of hot fluid and cold fluid, respectively. The fluid enters the heat exchanger through the front end plate 1 for heat exchange.

[0021] Reference Figure 2 Both ends of the pressure plate assembly 102 are rotatably sleeved with a rotary brush assembly 2, and a heat exchange assembly 3 is fixedly connected to the back of the pressure plate assembly 102.

[0022] Reference Figure 3 The threaded assembly 101 includes a connecting rod 1011. One end of the connecting rod 1011 is fixedly sleeved on a corner of the front end plate 1. The other end of the connecting rod 1011 is fixedly connected to a threaded rod 1012. One end of the threaded rod 1012 is fixedly connected to a sleeve rod 1013. A limit ring is fixedly sleeved on the side of the middle part of the sleeve rod 1013.

[0023] Reference Figure 4 The pressure plate assembly 102 includes a rear end plate 1021. Each of the four corners of one side of the rear end plate 1021 is provided with a round hole. Each of the four corners of one side of the rear end plate 1021 is rotatably connected with a threaded sleeve 1022. The four round holes are respectively connected to the four threaded sleeves 1022. One end of each of the four threaded sleeves 1022 is fixedly connected to a main bevel gear 1023. Reference Figure 5 The rear end plate 1021 is movably fitted with guide rods at its top and bottom, and one end of each guide rod is fixedly fitted to the top and bottom of the front end plate 1, respectively. A servo motor 103 is fixedly connected to the middle of one side of the rear end plate 1021. A main bevel gear 104 is fixedly connected to the drive end of the servo motor 103. A connecting shaft is fixedly connected to the middle of the front of the main bevel gear 104. Four rollers 105 are rotatably connected to the side of the main bevel gear 104. Auxiliary bevel gears are fixedly connected to both ends of the rollers 105, and the two auxiliary bevel gears mesh with the main bevel gear 1023 and the main bevel gear 104, respectively. A side plate is rotatably fitted to the side of the rollers 105, and the side plate is fixedly connected to one side of the rear end plate 1021. Two transmission belts are fixedly connected to one end of the connecting shaft, and one end of each transmission belt is fixedly connected to one end of each of the two rotary brush assemblies 2. The threaded rod 1012 is used to form a threaded engagement with the threaded sleeve 1022 in the pressure plate assembly 102. When the servo motor 103 drives the threaded sleeve 1022 to rotate, it generates a lateral force, which pushes the rear end plate 1021 to move. The sleeve rod 1013 and the limiting ring in the middle are used to limit the travel of the threaded sleeve 1022. When the threaded sleeve 1022 moves to the area between the limiting ring of the sleeve rod 1013 and the end of the threaded rod 1012, the thread engagement fails, and the threaded sleeve 1022 can rotate freely without lateral force. At this time, the rear end plate 1021 remains stationary, so that the power of the servo motor 103 can be transferred to the rotary brush assembly 2 via the transmission belt to achieve the cleaning function. Four threaded sleeves 1022 are threadedly engaged with the threaded rods 1012 in the four threaded assemblies 101, respectively, to convert rotational motion into linear movement of the rear end plate 1021; round holes are used for the threaded rods 1012 or sleeves 1013 to pass through, ensuring guidance and centering when the rear end plate 1021 moves; the main bevel gear 1023 meshes with the auxiliary bevel gear at the end of the roller 105, and is driven by the servo motor 103 through the main bevel gear 2 104 and the roller 105, so that the four threaded sleeves 1022 rotate synchronously, realizing the smooth movement of the rear end plate 1021, thereby uniformly pressing or smoothly unfolding the heat exchange assembly 3.

[0024] In this embodiment, it is necessary to further explain that the servo motor 103 drives the four rotating rollers 105 to rotate simultaneously through the main bevel gear 104. The auxiliary bevel gears at both ends of each rotating roller 105 mesh with the main bevel gear 104 and the main bevel gear 1023 at the end of the corresponding threaded sleeve 1022, thereby transmitting power synchronously to the four threaded sleeves 1022, realizing the smooth movement of the rear end plate 1021 along the guide rod and avoiding off-center loading and jamming. The heat exchange components are pressed and sealed by a servo motor-driven pressure plate assembly, which prevents internal fluid leakage or short circuits caused by loosening, reduces heat loss, improves heat exchange efficiency, and has energy-saving benefits.

[0025] Reference Figure 6 The rotary brush assembly 2 includes a rotating shaft 201. Several hinge seats are fixedly connected to the side of the rotating shaft 201, and the hinge seats are staggered. A brush plate 202 is rotatably sleeved on the top of each hinge seat. The side of the brush plate 202 is provided with a brush. A spring mechanism is provided at the connection between the brush plate 202 and the hinge seat. One end of the rotating shaft 201 is fixedly connected to one end of the transmission belt.

[0026] In this embodiment, it is necessary to specifically explain that the brush is made of soft material, and the function of the spring mechanism is to reset the brush plate 202 when the rotating shaft 201 stops rotating. The spring mechanism is existing technology and therefore will not be described in detail. Both the brush and the spring mechanism are conventional technical means and are not shown in the figure.

[0027] Reference Figure 7 The heat exchange assembly 3 includes several plate bundle assemblies 301. Two plate carrier sleeves 302 are slidably sleeved on the top and bottom of the plate bundle assemblies 301. Telescopic components 303 are fixedly connected to the side of the plate carrier sleeves 302, and the two ends of the telescopic components 303 are fixedly connected to the inner sides of the front end plate 1 and the rear end plate 1021, respectively. The function of the spring mechanism is to automatically reset the brush plate 202 when the rotating shaft 201 stops rotating, so as to avoid interfering with the pressing or movement of the plate bundle assembly 301; the staggered arrangement of the hinge seat can increase the coverage range of the brush in the axial direction and avoid cleaning dead corners; when the servo motor 103 drives the rotating shaft 201 to rotate at high speed via the transmission belt, the brush plate 202 overcomes the spring force of the spring mechanism under the action of centrifugal force and unfolds outward, so that the brush contacts the surface of the fins 3011 between the adjacent plate bundle assemblies 301 and rotates to clean, effectively removing the dirt; when the cleaning is completed and the rotating shaft 201 stops rotating, the spring mechanism drives the brush plate 202 to retract, reducing the space occupied and facilitating the re-pressing and closing of the heat exchange assembly 3.

[0028] Reference Figure 8 The plate bundle assembly 301 includes fins 3011, and a partition 3012 is fixedly connected to the back of the fins 3011. The fins 3011 and the partition 3012 form a heat exchange plate unit. Two plate carriers 302 are slidably sleeved at the top and bottom of the heat exchange plate unit. When the rear end plate 1021 moves to the threaded area where the threaded sleeve 1022 disengages from the threaded area of ​​the threaded rod 1012, the rear end plate 1021 stops moving axially. At this time, the servo motor 103 continues to rotate, and the power is transmitted to the rotating shaft 201 of the rotary brush assembly 2 through the connecting shaft and two transmission belts, driving the brush plate 202 to unfold and rotate under the action of centrifugal force, and automatically cleaning the fins 3011 in the unfolded plate bundle assembly 301, thereby realizing the switching between the two modes of pressing / unfolding and cleaning. The servo motor 103 drives the main bevel gear 104 to rotate. Under the transmission action of the roller 105, the main bevel gear 1023 rotates, synchronously driving the threaded sleeve 1022. Under the push of the mutual lateral force between the threaded rod 1012 and the threaded sleeve 1022, the rear end plate 1021 moves. The rear end plate 1021 moves forward to clamp and seal the heat exchange component 3. The rear end plate 1021 moves backward to pull the telescopic component 303, causing the telescopic component 303 to unfold. The telescopic component 303 is then fixed. On the plate carrier sleeve 302, the distance between adjacent plate carrier sleeves 302 is increased, thereby opening the plate bundle assembly 301 and exposing the fins 3011 to the outside, which facilitates the processing of the fins 3011. Throughout the opening process, the plate bundle assembly 301 is stably sleeved inside the plate carrier sleeve 302. This process solves the problem that the existing plate-fin heat exchanger uses an integral brazing or screw fastening method, which makes it difficult to disassemble the fins when they fail, and the fins are very easy to fall off during disassembly due to stacking, causing further damage.

[0029] Reference Figure 9 The telescopic assembly 303 includes several cross movable parts 3031, and each of the cross movable parts 3031 is slidably sleeved with a ring rail 3032 on both sides. Each of the ring rails 3032 is fixedly connected to a fixing plate on one side, and a connecting pipe 3033 is fixedly connected between two adjacent fixing plates. The bottom of the fixing plate is fixedly connected to the outside of the carrier sleeve 302, and the number of both is the same. Each plate bundle assembly 301 consists of fins 3011 and partitions 3012 forming a heat exchange plate unit. Its top and bottom are slidably constrained and guided by the fin carrier sleeves 302. When the rear end plate 1021 moves backward, the telescopic assembly 303 is stretched out, causing each fin carrier sleeve 302 to separate in sequence, thereby evenly widening the gap between adjacent plate bundle assemblies 301 and exposing the fins 3011 to the outside world for easy maintenance or cleaning. The telescopic assembly 303 is composed of cross moving parts 3031, ring rails 3032 and connecting pipes 3033, which can ensure that each plate bundle assembly 301 remains parallel and stable during the unfolding and pressing process, avoiding damage to the fins 3011 due to tilting or misalignment. Moreover, the plate bundle assembly 301 is always slidably sleeved in the fin carrier sleeves 302 throughout the process and will not fall off, solving the problem of fins easily falling off and being damaged when traditional heat exchangers are disassembled. The cross-moving components 3031 form a telescopic diamond or scissor structure, which, together with the ring rail 3032, achieves smooth guidance during the telescopic process. The connecting pipe 3033 between adjacent fixed plates consists of a sliding rod and a sleeve and has a limiting structure, which can control the maximum extension of the telescopic component 303 and prevent excessive stretching from causing the plate bundle component 301 to detach from the carrier sleeve 302. The connecting pipe 3033 on the outermost fixed plate is fixed to the inner side of the front end plate 1 and the rear end plate 1021 respectively. When the rear end plate 1021 moves, the telescopic component 303 extends and retracts evenly, driving each fixed plate and its connected carrier sleeve 302 to move synchronously, thereby making the spacing between each plate bundle component 301 change evenly, ensuring reliable sealing when pressed and cleanliness without dead corners when unfolded.

[0030] In this embodiment, it is necessary to further explain that the connecting pipe 3033 on the outermost fixing plate is fixedly connected to the inner side of the front end plate 1 and the rear end plate 1021 respectively. The connecting pipe 3033 is composed of a sliding rod and a sleeve. A limiting structure is provided at the connection between the sliding rod and the sleeve to prevent the sliding rod from disengaging from the sleeve. The connecting pipe 3033 is existing technology, so it will not be described in detail.

[0031] When the plate bundle assembly 301 is opened, the servo motor 103 still drives the threaded sleeve 1022 to rotate. At this time, the threaded sleeve 1022 moves to the position between the limiting ring of the sleeve rod 1013 and the threaded rod 1012, losing the interaction between the threads. The rear end plate 1021 remains stationary. At this time, the servo motor 103 drives the rotating shaft 201 to rotate through the transmission belt. Under the action of rotational centrifugal force, the brush plate 202 unfolds and rotates between adjacent plate bundle assemblies 301 around the rotating shaft 201. This allows the brushes on the side of the brush plate 202 to clean the surface of the fins 3011, preventing scale buildup in the fins 3011. This process solves the problem that cleaning the inside of traditional plate-fin heat exchangers is extremely difficult, requiring not only the entire heat exchanger to be disassembled but also individual fins to be processed separately, which is laborious and cumbersome.

[0032] The working principle of this invention is as follows: A servo motor 103 drives the second main bevel gear 104 to rotate. Under the transmission action of the rotating roller 105, the first main bevel gear 1023 rotates, synchronously driving the threaded sleeve 1022. Driven by the mutual lateral force between the threaded rod 1012 and the threaded sleeve 1022, the rear end plate 1021 moves. The rear end plate 1021 moves forward to clamp and seal the heat exchange assembly 3. The rear end plate 1021 moves backward, pulling the telescopic assembly 303, causing the telescopic assembly 303 to unfold. 03 is fixed on the plate carrier sleeve 302, thereby widening the gap between adjacent plate carrier sleeves 302, thus opening the plate bundle assembly 301 and exposing the fins 3011 to the outside, making it convenient to process the fins 3011. Throughout the opening process of the plate bundle assembly 301, the plate bundle assembly 301 is stably sleeved inside the plate carrier sleeve 302. This process solves the problem that the existing plate fin heat exchangers use this integral brazing or screw fastening method, which makes it difficult to disassemble the fins when they fail, and the fins are very easy to fall off during disassembly due to stacking, causing further damage. When the plate bundle assembly 301 is opened, the servo motor 103 still drives the threaded sleeve 1022 to rotate. At this time, the threaded sleeve 1022 moves to the position between the limiting ring of the sleeve rod 1013 and the threaded rod 1012, losing the interaction between the threads. The rear end plate 1021 remains stationary. At this time, the servo motor 103 drives the rotating shaft 201 to rotate through the transmission belt. Under the action of rotational centrifugal force, the brush plate 202 unfolds and rotates between adjacent plate bundle assemblies 301 around the rotating shaft 201. This allows the brushes on the side of the brush plate 202 to clean the surface of the fins 3011, preventing scale buildup in the fins 3011. This process solves the problem that cleaning the inside of traditional plate-fin heat exchangers is extremely difficult, requiring not only the entire heat exchanger to be disassembled but also individual fins to be processed separately, which is laborious and cumbersome.

[0033] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change. Secondly: The accompanying drawings of the embodiments disclosed in this invention only involve the structures involved in the embodiments disclosed in this invention. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this invention can be combined with each other. In conclusion, the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An energy-saving plate-fin heat exchanger, comprising a front end plate (1), characterized in that, A threaded assembly (101) is installed on one side of the front end plate (1), a pressure plate assembly (102) is installed on the side of the threaded assembly (101), a servo motor (103) is installed on one side of the pressure plate assembly (102), a rotating roller (105) is installed around the servo motor (103), a rotating brush assembly (2) is installed at both ends of the pressure plate assembly (102), and a heat exchange assembly (3) is installed on the back of the pressure plate assembly (102). The threaded assembly (101) includes a connecting rod (1011), a threaded rod (1012) is installed at one end of the connecting rod (1011), and the pressure plate assembly (102) includes a rear end plate (1021). A threaded sleeve (1022) is installed on one side of the rear end plate (1021). The servo motor (103), in cooperation with the rotating roller (105), drives the pressure plate assembly (102) and the thread assembly (101) to interact, so that the pressure plate assembly (102) moves, thereby achieving the pressing and sealing of the heat exchange assembly (3) and stable unfolding. The servo motor (103) and the rotating brush assembly (2) cooperate with each other to clean the inside of the heat exchange assembly (3) after it is unfolded. One end of the threaded rod (1012) is fixedly connected to a sleeve rod (1013). A limiting ring is fixedly sleeved on the side of the middle part of the sleeve rod (1013). After the heat exchange assembly (3) is unfolded, the servo motor (103) continues to drive the threaded sleeve (1022), so that the threaded sleeve (1022) rotates without lateral force at the position between the end of the threaded rod (1012) and the limiting ring, so that the rear end plate (1021) remains stationary.

2. The energy-saving plate-fin heat exchanger according to claim 1, characterized in that: The front end plate (1) is fixedly fitted with threaded components (101) at all four corners. The four threaded components (101) are rotatably fitted with pressure plate components (102) on their sides, and the four threaded components (101) are respectively rotatably fitted at the four corners of the pressure plate components (102).

3. The energy-saving plate-fin heat exchanger according to claim 2, characterized in that: A hot flow inlet pipe is fixedly connected to the upper left corner of the front end plate (1), a hot flow outlet pipe is fixedly connected to the lower left corner of the front end plate (1), a cold flow outlet pipe is fixedly connected to the upper right corner of the front end plate (1), and a cold flow inlet pipe is fixedly connected to the lower right corner of the front end plate (1).

4. An energy-saving plate-fin heat exchanger according to claim 3, characterized in that: Both ends of the pressure plate assembly (102) are rotatably sleeved on the side of the rotary brush assembly (2), and the back of the pressure plate assembly (102) is fixedly connected to one end of the heat exchange assembly (3).

5. An energy-saving plate-fin heat exchanger according to claim 4, characterized in that: One side of the connecting rod (1011) is fixedly sleeved on a corner of the front end plate (1), and the other end of the connecting rod (1011) is fixedly connected to a threaded rod (1012).

6. An energy-saving plate-fin heat exchanger according to claim 5, characterized in that: The pressure plate assembly (102) includes a rear end plate (1021). Each of the four corners of one side of the rear end plate (1021) is provided with a round hole. Each of the four corners of one side of the rear end plate (1021) is rotatably connected to one end of a threaded sleeve (1022). The four round holes are respectively connected to the four threaded sleeves (1022). One end of each of the four threaded sleeves (1022) is fixedly connected to a main bevel gear (1023).

7. An energy-saving plate-fin heat exchanger according to claim 6, characterized in that: The rear end plate (1021) has guide rods movably sleeved at its top and bottom, and one end of each guide rod is fixedly sleeved at the top and bottom of the front end plate (1), respectively. A servo motor (103) is fixedly connected to the middle of one side of the rear end plate (1021), and a main bevel gear (104) is fixedly connected to the drive end of the servo motor (103). A connecting shaft is fixedly connected to the middle of the front of the main bevel gear (104), and the side of the main bevel gear (104) is also fixedly connected to the main bevel gear (104). Four rotating rollers (105) are rotatably connected. Both ends of each rotating roller (105) are fixedly connected to auxiliary bevel gears. The two auxiliary bevel gears mesh with the first main bevel gear (1023) and the second main bevel gear (104) respectively. The side of the rotating roller (105) is rotatably sleeved with a side plate, and the side plate is fixedly connected to one side of the rear end plate (1021). One end of the connecting shaft is fixedly connected to two transmission belts, and one end of each of the two transmission belts is fixedly connected to one end of each of the two rotating brush assemblies (2).

8. An energy-saving plate-fin heat exchanger according to claim 7, characterized in that: The rotary brush assembly (2) includes a rotating shaft (201), a plurality of hinge seats are fixedly connected to the side of the rotating shaft (201), and the plurality of hinge seats are staggered. A brush plate (202) is rotatably sleeved on the top of each of the hinge seats. The side of the brush plate (202) is provided with a brush. A spring mechanism is provided at the connection between the brush plate (202) and the hinge seat. One end of the rotating shaft (201) is fixedly connected to one end of the transmission belt.

9. An energy-saving plate-fin heat exchanger according to claim 8, characterized in that: The heat exchange assembly (3) includes several plate bundle assemblies (301). Two plate carrier sleeves (302) are slidably sleeved on the top and bottom of each plate bundle assembly (301). A telescopic assembly (303) is fixedly connected to the side of the plate carrier sleeve (302), and the two ends of the telescopic assembly (303) are fixedly connected to the inner side of the front end plate (1) and the rear end plate (1021), respectively.

10. An energy-saving plate-fin heat exchanger according to claim 9, characterized in that: The plate bundle assembly (301) includes fins (3011), and a partition (3012) is fixedly connected to the back of the fins (3011). The fins (3011) and the partition (3012) form a heat exchange plate unit. Two plate carriers (302) are slidably sleeved at the top and bottom of the heat exchange plate unit. The telescopic assembly (303) includes several cross movable parts (3031), and each of the cross movable parts (3031) is slidably sleeved with a ring rail (3032) on both sides. Each of the ring rails (3032) is fixedly connected to a fixing plate on one side, and a connecting pipe (3033) is fixedly connected between two adjacent fixing plates. The bottom of the fixing plate is fixedly connected to the outside of the slide sleeve (302), and the number of both is the same.

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