Support device for plate heat exchanger and plate heat exchanger

Abstract

The application relates to a supporting device for a plate heat exchanger and the plate heat exchanger, and belongs to the technical field of plate heat exchangers. The plate heat exchanger comprises a base, a vertical plate, a horizontal rod and a damping assembly. The bottom of the vertical plate is slidably connected to the base, the top of the vertical plate is fixedly connected to one end of the horizontal rod, and the end of the horizontal rod away from the vertical plate is cantilevered towards the center line of the base. The damping assembly is arranged on the horizontal rod and comprises a positioning box, a hook, a spring and a positioning plate. The spring and the positioning plate are arranged in the positioning box. One end of the hook penetrates through the positioning box in the vertical direction and is fixedly connected to the positioning plate. The spring is sleeved on the hook and one end of the spring is fixedly connected to the positioning plate. One end of the hook outside the positioning box is in the shape of a hook and is used for hooking connection with the plate heat exchanger. The positioning box is slidably arranged on the horizontal rod and slides towards or away from the vertical plate. The application has the effects of ensuring that the plate heat exchanger is in a stable vertical state after installation and having sufficient anti-seismic capacity.

Description

Technical Field

[0001] This application relates to the technical field of plate heat exchangers, and in particular to support devices for plate heat exchangers and plate heat exchangers themselves. Background Technology

[0002] A plate heat exchanger is a type of heat exchanger consisting of a series of corrugated metal plates stacked together. Thin rectangular channels are formed between the plates, through which heat is exchanged.

[0003] The plate heat exchanger includes frame plates on both sides, heat exchanger plates between adjacent frame plates, tightening screws that penetrate the frame plates and are located on both sides of the heat exchanger plates, an upper guide rod that penetrates the frame plates and is located at the top of the heat exchanger plates, and a lower guide rod that penetrates the frame plates and is located at the bottom of the heat exchanger plates. The heat exchanger plates are fitted onto the upper guide rod and the lower guide rod and slide along the length of the upper guide rod and the lower guide rod.

[0004] Plate heat exchangers require seismic protection after installation to prevent vibrations or thermal expansion of pipes from affecting the heat exchanger. A common method for seismic protection is to install rubber pads at the bottom of the heat exchanger's frame plates.

[0005] Plate heat exchangers require vertical installation and use rubber pads for vibration damping. Increasing the thickness of the rubber pads enhances the vibration resistance, but it cannot guarantee that the plate heat exchanger will be in a stable vertical position. Conversely, decreasing the thickness of the rubber pads ensures that the plate heat exchanger is in a stable vertical position, but the vibration resistance of the rubber pads is also reduced. This problem urgently needs to be solved. Summary of the Invention

[0006] To ensure that the plate heat exchanger is in a stable vertical position after installation and has sufficient seismic resistance, this application provides a support device for the plate heat exchanger and the plate heat exchanger itself.

[0007] The support device for plate heat exchangers provided in this application adopts the following technical solution: A support device for a plate heat exchanger includes a base placed below the plate heat exchanger. The base has an upright plate, a crossbar, and a shock-absorbing assembly. The bottom of the upright plate is slidably connected to the base, sliding towards or away from the center line of the base. The top of the upright plate is fixedly connected to one end of the crossbar, and the end of the crossbar away from the upright plate cantilevered towards the center line of the base. The shock-absorbing assembly is located on the crossbar and includes a positioning box, a hook, a spring, and a positioning plate. The spring and positioning plate are both located inside the positioning box. One end of the hook passes vertically through the positioning box and is fixedly connected to the positioning plate. The spring is looped around the hook and one end is fixedly connected to the positioning plate. The end of the hook outside the positioning box is bent for hooking and connecting with the plate heat exchanger. The positioning box is slidably mounted on the crossbar, sliding towards or away from the upright plate.

[0008] By adopting the above technical solution, the plate heat exchanger is placed on the base. The rubber pad at the bottom of the plate heat exchanger has a cushioning effect. The hook is connected to the top of the plate heat exchanger. The presence of the shock-absorbing component provides an upward lifting force for the plate heat exchanger, which, together with the rubber pad, achieves a shock-resistant effect. At the same time, the presence of the spring distributes the pressure borne by the rubber pad. While ensuring sufficient shock resistance, the required thickness of the rubber pad is reduced, thus achieving the effect of ensuring that the plate heat exchanger is in a stable vertical position after installation while having sufficient shock resistance.

[0009] Optionally, the positioning box is provided with an adjusting plate, an adjusting ring, and an adjusting rod. The adjusting plate is located inside the positioning box, and a spring is located between the adjusting plate and the positioning plate. A hook passes through the adjusting plate. The positioning box has an adjusting hole, which is opened vertically. The adjusting ring is sleeved on the outer wall of the positioning box and threadedly connected to the positioning box. One end of the adjusting rod is slidably connected to the inner wall of the adjusting ring, and the other end passes through the adjusting hole and is fixedly connected to the adjusting plate. The adjusting rod slides horizontally along the circumference of the adjusting ring towards the inner wall.

[0010] By adopting the above technical solution, when it is necessary to adjust the upward lifting force provided by the spring to the plate heat exchanger, the adjusting ring is rotated to move the adjusting ring upward. The adjusting ring drives the adjusting plate upward through the adjusting rod, thereby further compressing the spring and ultimately increasing the upward lifting force provided by the spring to the plate heat exchanger.

[0011] Optionally, two upright plates and two crossbars are provided and distributed on both sides of the center line of the base. The positioning box is provided with a gear, a positioning rod and a positioning cap. One end of the positioning rod is fixed to the positioning cap, and the other end passes through the positioning box and is fixed to the center of the gear. The two crossbars are rack-shaped where they pass through the positioning box and are distributed on both sides of the gear to mesh with the gear. The positioning cap is used for limiting and fixing the gear after it rotates.

[0012] By adopting the above technical solution, the positioning box is fully utilized, enabling it to connect and limit the two crossbars. When the two crossbars are placed in the appropriate position, the gear is limited by the positioning cap, preventing the gear from rotating. This achieves the limitation after the two crossbars are connected. The position of the crossbars also indirectly limits the position of the vertical plates, allowing the two vertical plates to stand synchronously on both sides of the plate heat exchanger, thus limiting the plate heat exchanger.

[0013] Optionally, the upright plate has a vertical groove, and the upright plate is provided with a retaining ring, a connecting rod, a push plate and a cavity. The retaining ring is slidably disposed on the side of the upright plate near the center line of the base in the vertical direction, and the retaining ring is used to snap and fix it with the plate heat exchanger. The cavity is located inside the upright plate and below the groove, and the push plate is located in the cavity to separate the upper and lower spaces of the cavity. One end of the connecting rod is fixedly connected to the retaining ring, and the other end passes through the groove into the cavity and is fixedly connected to the push plate.

[0014] By adopting the above technical solution, when vibration occurs, the plate heat exchanger causes the retaining ring to start shaking. The retaining ring is displaced in the vertical direction, and the retaining ring pushes the push plate to move through the connecting rod. The push plate changes the size of the space on the upper and lower sides of the cavity. When the push plate moves, the air in the cavity generates resistance to the movement of the push plate, thereby achieving the effect of resisting the vibration of the plate heat exchanger.

[0015] Optionally, a horizontal box is fixed to the outer wall of the vertical plate, and a partition plate is slidably arranged inside the horizontal box; along the direction close to or away from the vertical plate, the partition plate is used to divide the space inside the horizontal box into two; a drive rod is provided on the partition plate, one end of the drive rod is fixedly connected to the partition plate, and the other end passes through the slide groove and is arranged adjacent to the connecting rod; a cage gear is rotatably arranged on the inner wall of the slide groove, the cage gear rotates relative to the vertical plate, the connecting rod is in a vertical state near the cage gear and meshes with the cage gear, and the drive rod is arranged horizontally and meshes with the cage gear near the cage gear.

[0016] By adopting the above technical solution, when the push plate moves, the connecting rod pushes the drive rod to move through the cage gear. The drive rod pushes the partition plate to produce a horizontal displacement. The air in the horizontal box generates air resistance on the movement of the partition plate, thereby resisting the vibration of the plate heat exchanger.

[0017] Optionally, the horizontal box is transparent, with markings engraved on its outer wall, and the connecting rod is an inverted L-shape, meaning the connecting rod is divided into a horizontal section and a vertical section. The horizontal section of the connecting rod is telescopic, and the cage gear is located at the vertical section of the connecting rod; the retaining ring is semi-ring-shaped.

[0018] By adopting the above technical solution, if the rubber pad settles unevenly after the positioning cap is removed, the plate heat exchanger will tilt, the positioning box will slide on the crossbar, the horizontal section of the connecting rod on one side of the plate heat exchanger will be compressed, and the horizontal section of the connecting rod on the other side will be stretched. The semi-circular shape of the retaining ring helps the plate heat exchanger tilt and ensures that the plate heat exchanger can push the connecting rod to move vertically. The cage gear pushes the partition plate to move horizontally, and the distance between the partition plate and the marking line changes. This indicates that the plate heat exchanger cannot maintain a vertical state without external vibration, and workers need to make adjustments in time. After the adjustment is completed, the positioning cap is fixed back on the positioning box.

[0019] Optionally, both the partition plate and the push plate have sealing rings fitted around their circumferential outer walls.

[0020] By adopting the above technical solution, the sealing ring enhances the sealing effect of the partition plate and push plate on the space partition.

[0021] Optionally, a positioning pin is fixed on the positioning cap, the positioning pin is inserted into the positioning box, the positioning cap is magnetic, and the positioning cap is magnetically attracted to the outer wall of the positioning box.

[0022] By adopting the above technical solution, after the positioning cap limits the gear, in order to prevent the positioning pin from dislodging from the positioning box due to vibration, the positioning cap is magnetically adsorbed on the outer wall of the positioning box.

[0023] Optionally, a slider is fixed to the end of the upright plate away from the crossbar, and a slide rail is fixed on the base. The slide rail is laid along the direction close to the center line of the base, and the slider slides on the slide rail. A bolt for locking the slider position is provided on the slider.

[0024] This application also provides a plate heat exchanger, which adopts the following technical solution: A plate heat exchanger includes frame plates on both sides, heat exchanger plates between adjacent frame plates, tightening screws penetrating the frame plates and located on both sides of the heat exchanger plates, an upper guide rod penetrating the frame plates and located at the top of the heat exchanger plates, and a lower guide rod penetrating the frame plates and located at the bottom of the heat exchanger plates. The heat exchanger plates are fitted onto the upper and lower guide rods and slide along the length of the upper and lower guide rods. A rubber pad is fixed to the bottom of the frame plate. The frame plate is placed on a base, and a hook is hooked to the upper guide rod.

[0025] In summary, this application includes at least one of the following beneficial technical effects: 1. The presence of the shock-absorbing components provides an upward lifting force for the plate heat exchanger, which, together with the rubber pads, achieves a shock-absorbing effect. At the same time, the presence of springs distributes the pressure borne by the rubber pads. While ensuring sufficient shock absorption, the required thickness of the rubber pads is reduced, thus achieving the effect of ensuring that the plate heat exchanger is in a stable vertical position after installation while having sufficient shock absorption capacity. 2. When vibration occurs, the plate heat exchanger causes the retaining ring to start shaking. The retaining ring is displaced in the vertical direction. The retaining ring pushes the push plate to move through the connecting rod. The push plate changes the size of the space on the upper and lower sides of the cavity. When the push plate moves, the air in the cavity creates resistance to the movement of the push plate, thereby resisting the vibration of the plate heat exchanger. 3. If the distance between the partition plate and the marking line changes, it indicates that the plate heat exchanger cannot maintain a vertical position without external vibration. Workers need to make adjustments immediately and then re-fix the positioning cap to the positioning box after adjustment. Attached Figure Description

[0026] Figure 1 This is a structural schematic diagram of an embodiment of this application; Figure 2 This is a partial structural cross-sectional view of the vibration damping component; Figure 3 This is a partial sectional view of the internal structure of the vertical panel.

[0027] In the diagram, 1. Base; 11. Slide rail; 2. Vertical plate; 21. Slide groove; 22. Snap ring; 23. Connecting rod; 24. Push plate; 25. Cavity; 26. Slider; 3. Crossbar; 4. Shock absorption assembly; 41. Positioning box; 411. Adjusting plate; 412. Adjusting rod; 413. Adjusting ring; 414. Adjusting hole; 415. Gear; 416. Positioning rod; 417. Positioning cap; 418. Positioning pin; 42. Hook; 43. Spring; 44. Positioning plate; 5. Horizontal box; 51. Partition plate; 52. Drive rod; 53. Cage gear; 6. Sealing ring; 7. Frame plate; 71. Rubber pad; 72. Tightening screw; 73. Upper guide rod; 74. Lower guide rod; 8. Heat exchanger plate. Detailed Implementation

[0028] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.

[0029] This application discloses a support device for a plate heat exchanger and a plate heat exchanger.

[0030] refer to Figure 1 The support device for the plate heat exchanger includes a base 1, on which upright plates 2 and crossbars 3 are mounted. One upright plate 2 and one crossbar 3 form a set, and two sets are mounted on the base 1. The upright plates 2 are slidably mounted on the base 1, and the two upright plates 2 slide towards or away from each other. The end of the upright plate 2 away from the base 1 is fixedly connected to one end of the crossbar 3. A shock-absorbing component 4 is mounted on the end of the crossbar 3 away from the upright plate 2. The shock-absorbing component 4 is located above the plate heat exchanger and provides an upward lifting force for the plate heat exchanger in the vertical direction. Combined with the rubber pads 71 ​​of the plate heat exchanger itself, this achieves a shock-absorbing effect.

[0031] refer to Figure 1 A slide rail 11 is provided on the base 1. The slide rail 11 is arranged along the direction close to or away from the center line of the base 1. A slider 26 is fixed at the end of the upright plate 2. The slider 26 slides on the slide rail 11. A bolt is provided on the slider 26. The bolt is tightened to limit the slider 26.

[0032] refer to Figure 1 and Figure 2The upright plate 2 is set vertically, and the horizontal bar 3 is set horizontally. The horizontal bar 3 is in a cantilevered state and cantilevered along the direction close to the center line of the base 1. The shock-absorbing component 4 is slidably mounted on the crossbar 3, and the sliding direction is along the length of the crossbar 3. The shock-absorbing component 4 includes a positioning box 41, a hook 42, a spring 43, and a positioning plate 44. The positioning box 41 is cylindrical and is also provided with an adjusting ring 413, an adjusting rod 412, and an adjusting plate 411. The adjusting plate 411, the spring 43, and the positioning plate 44 are all located inside the positioning box 41. The positioning plate 44 is located above the adjusting plate 411, and there is a distance between the positioning plate 44 and the adjusting plate 411. One end of the hook 42 passes through the positioning box 41 and the adjusting plate 411 in a vertical direction and is fixedly connected to the positioning plate 44. The adjusting plate 411 is slidably mounted relative to the hook 42, and the sliding direction is along the direction of approaching or moving away from the positioning plate 44. The spring 43 is looped around the hook 42 and one end is fixedly connected to the positioning plate 44. The other end of the spring 43 abuts against the adjusting plate 411. The hook 42 is located outside the positioning box 41, and one end is bent into a hook shape to be hooked and connected to the plate heat exchanger.

[0033] refer to Figure 2 The positioning box 41 has adjustment holes 414, which are vertically oriented. The number of adjustment holes 414 corresponds to the number of adjustment rods 412. An adjustment ring 413 is threaded onto the outer wall of the positioning box 41. One end of the adjustment rod 412 is fixed to the outer wall of the adjustment plate 411, and the other end of the adjustment rod 412 passes through the adjustment hole 414 and slides against the inner wall of the adjustment ring 413. The end of the adjustment rod 412 slides horizontally along the inner wall of the adjustment ring 413. Rotating the adjustment ring 413 causes the adjustment plate 411 to change its vertical position via the adjustment rods 412, thereby adjusting the distance between the adjustment plate 411 and the positioning plate 44, ultimately changing the initial compression of the spring 43.

[0034] refer to Figure 2 The positioning box 41 is equipped with a gear 415, a positioning rod 416, and a positioning cap 417. One end of the positioning rod 416 is fixed to the positioning cap 417, and the other end passes through the positioning box 41 and is fixed at the center of the gear 415. There is a distance between the gear 415 and the inner wall of the positioning box 41. Two crossbars 3 are rack-shaped and distributed on both sides of the gear 415, meshing with it. A positioning pin 418 is fixed on the positioning cap 417. A positioning hole is opened on the positioning box 41 directly opposite the positioning cap 417. When the gear 415 stops rotating, the positioning pin 418 is inserted into the positioning hole, thereby limiting the position of the gear 415. Multiple positioning holes can be opened, arranged in a circle with the positioning rod 416 passing through the positioning box 41 as the center, and adjacent positioning holes are distributed with equal arc lengths. The positioning cap 417 is magnetic and magnetically attracts the positioning box 411.

[0035] refer to Figure 1 and Figure 3 The upright plate 2 is provided with a sliding groove 21 and a cavity 25. The sliding groove 21 is opened in the vertical direction and the groove opening is set directly opposite the center line of the base 1. The cavity 25 is located inside the upright plate 2, and the length of the cavity 25 is opened in the vertical direction. The cavity 25 is located below the sliding groove 21.

[0036] refer to Figure 3 The upright plate 2 is equipped with a retaining ring 22, a connecting rod 23, a push plate 24, a horizontal box 5, a partition plate 51, a drive rod 52, and a cage gear 53. The retaining ring 22 is slidably disposed on the side of the upright plate 2 near the center line of the base 1 in the vertical direction. The retaining ring 22 is semi-circular and is engaged and limited with the plate heat exchanger. When the plate heat exchanger tilts, the retaining ring 22 remains engaged with the plate heat exchanger. However, during the tilting process of the plate heat exchanger, the retaining ring 22 and the plate heat exchanger... The converter rotates relative to each other; the push plate 24 is located in the cavity 25 and blocks the space on the upper and lower sides of the cavity 25. The connecting rod 23 is an inverted L-shape, that is, the connecting rod 23 is divided into a horizontal section and a vertical section. The horizontal section of the connecting rod 23 is telescopic and can be a telescopic rod. One end of the horizontal section of the connecting rod 23 is fixedly connected to the retaining ring 22, and the other end is fixedly connected to the top of the vertical section. The end of the vertical section away from the horizontal section passes through the cavity 25 and is fixedly connected to the push plate 24. The vertical section is completely located in the slide groove 21.

[0037] refer to Figure 3 A horizontal box 5 is fixed to the side of the vertical plate away from the center line of the base 1. The horizontal box 5 is horizontally positioned and made of a transparent material, such as plastic. A partition plate 51 is located inside the horizontal box 5, dividing the internal space of the horizontal box 5 into left and right spaces. A cage gear 53 is rotatably mounted on the inner wall of the slide groove 21. The rotation axis of the cage gear 53 is horizontally positioned, and the cage gear 53 rotates relative to the vertical plate. The vertical section of the connecting rod 23 meshes with the cage gear 53 near the cage gear 53. The drive rod 52 is horizontally positioned and meshes with the cage gear 53 near the cage gear 53. The end of the drive rod 52 away from the cage gear 53 passes through the horizontal box 5 and is fixedly connected to the partition plate 51. When the vertical section of the connecting rod 23 falls, it pushes the drive rod 52 to move horizontally through the cage gear 53, thereby changing the position of the partition plate 51 inside the horizontal box 5.

[0038] refer to Figure 1 and Figure 3 The outer wall of the horizontal box 5 is marked with graduation lines. Both the partition plate 51 and the push plate 24 are fixed with sealing rings 6 on their circumferential outer walls.

[0039] The implementation principle of the support device for the plate heat exchanger in this embodiment is as follows: the plate heat exchanger is placed on the base 1, and the vertical plate is moved to lock the retaining ring 22 into place. The rubber pad 71 at the bottom of the plate heat exchanger has a buffering effect. The hook 42 is connected to the top of the plate heat exchanger. The presence of the shock-absorbing component 4 provides an upward lifting force for the plate heat exchanger, which, together with the rubber pad 71, achieves a shock-resistant effect. At the same time, the presence of the spring 43 distributes the pressure borne by the rubber pad 71. Under the premise of ensuring sufficient shock resistance, the required thickness of the rubber pad 71 is reduced, thus achieving the effect of ensuring that the plate heat exchanger is in a stable vertical state after installation while having sufficient shock resistance.

[0040] refer to Figure 1 , Figure 2 and Figure 3 The plate heat exchanger includes frame plates 7 on both sides, heat exchanger plates 8 between adjacent frame plates 7, tightening screws 72 penetrating the frame plates 7 and located on both sides of the heat exchanger plates 8, an upper guide rod 73 penetrating the frame plates 7 and located at the top of the heat exchanger plates 8, and a lower guide rod 74 penetrating the frame plates 7 and located at the bottom of the heat exchanger plates 8. The heat exchanger plates 8 are fitted onto the upper guide rods 73 and the lower guide rods 74 and slide along the length of the upper guide rods 73 and the lower guide rods 74. The upper guide rods 73, the lower guide rods 74 and the tightening screws 72 all have circular cross sections. The upper guide rods 73 and the lower guide rods 74 are provided with slots, which allow the heat exchanger plates 8 to slide on the upper guide rods 73 and the lower guide rods 74. A rubber pad 71 is fixed to the bottom of the frame plate 7. The frame plate 7 is placed on the base 1, and the hook 42 is hooked and connected to the upper guide rod 73.

[0041] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A support device for a plate heat exchanger, comprising a base (1) placed below the plate heat exchanger, characterized in that: The base (1) is provided with a vertical plate (2), a horizontal bar (3), and a shock-absorbing component (4); the bottom of the vertical plate (2) is slidably connected to the base (1), and the sliding direction is along the direction close to or away from the center line of the base (1). The top of the vertical plate (2) is fixedly connected to one end of the horizontal bar (3), and the end of the horizontal bar (3) away from the vertical plate (2) is cantilevered towards the center line of the base (1); the shock-absorbing component (4) is located on the horizontal bar (3), and the shock-absorbing component (4) includes a positioning box (41), a hook (42), a spring (43), and a positioning plate (44). The spring (43) and the positioning plate (44) are both located inside the positioning box (41), and the hook (42) is one The end passes through the positioning box (41) vertically and is fixedly connected to the positioning plate (44). The spring (43) is looped on the hook (42) and one end is fixedly connected to the positioning plate (44). The hook (42) is located outside the positioning box (41) and one end is bent into a hook shape for hooking and connecting with the plate heat exchanger. The positioning box (41) is slidably set on the crossbar (3) and the sliding direction is along the direction of approaching or away from the vertical plate (2). The vertical plate (2) and the crossbar (3) are each provided with two and distributed on both sides of the center line of the base (1). The positioning box (41) is provided with a gear (415), a positioning rod (416) and a positioning cap (417). The positioning rod (415) is provided with a gear (415), a positioning rod (416) and a positioning cap (417). 6) One end is fixed to the positioning cap (417), and the other end passes through the positioning box (41) and is fixed to the center of the gear (415); the two crossbars (3) are rack-shaped when they pass through the positioning box (41) and are distributed on both sides of the gear (415) to mesh with the gear (415); the positioning cap (417) is used to limit and fix the gear (415) after it rotates; the vertical plate (2) is provided with a sliding groove (21) in the vertical direction, and the vertical plate (2) is provided with a retaining ring (22), a connecting rod (23), a push plate (24) and a cavity (25). The retaining ring (22) is slidably disposed in the vertical direction on the side of the vertical plate (2) near the center line of the base (1). A retaining ring (22) is used to snap and fix it to the plate heat exchanger; the cavity (25) is located inside the vertical plate (2) and below the slide groove (21), and the push plate (24) is located inside the cavity (25) to separate the upper and lower spaces of the cavity (25); one end of the connecting rod (23) is fixedly connected to the retaining ring (22), and the other end passes through the slide groove (21) into the cavity (25) and is fixedly connected to the push plate (24); a horizontal box (5) is fixed on the outer wall of the vertical plate (2), and a partition plate (51) is slidably arranged inside the horizontal box (5); along the direction close to or away from the vertical plate (2), the partition plate (51) is used to divide the space inside the horizontal box (5) into two;A drive rod (52) is provided on the partition plate (51). One end of the drive rod (52) is fixedly connected to the partition plate (51), and the other end passes through the slide groove (21) and is arranged adjacent to the connecting rod (23). A cage gear (53) is rotatably arranged on the inner wall of the slide groove (21). The cage gear (53) rotates relative to the vertical plate. The connecting rod (23) is in a vertical state near the cage gear (53) and meshes with the cage gear (53). The drive rod (52) is arranged horizontally and meshes with the cage gear (53) near the cage gear (53). The horizontal box (5) is transparent. Markings are engraved on the outer wall of the horizontal box (5). The connecting rod (23) is an inverted L-shape, that is, the connecting rod (23) is divided into a horizontal section and a vertical section. The horizontal section of the connecting rod (23) is telescopic. The cage gear (53) is located at the vertical section of the connecting rod (23). The retaining ring (22) is semi-ring-shaped. ; 2. The support device for a plate heat exchanger according to claim 1, characterized in that: The positioning box (41) is provided with an adjusting plate (411), an adjusting ring (413), and an adjusting rod (412). The adjusting plate (411) is located inside the positioning box (41), and the spring (43) is located between the adjusting plate (411) and the positioning plate (44). The hook (42) passes through the adjusting plate (411). The positioning box (41) is provided with an adjusting hole (414) which is opened in the vertical direction. The adjusting ring (413) is sleeved on the outer wall of the positioning box (41) and threadedly connected to the positioning box (41). One end of the adjusting rod (412) is slidably connected to the inner wall of the adjusting ring (413), and the other end passes through the adjusting hole (414) and is fixedly connected to the adjusting plate (411). The adjusting rod (412) slides horizontally along the inner wall of the adjusting ring (413).

3. The support device for a plate heat exchanger according to claim 1, characterized in that: Both the partition plate (51) and the push plate (24) have sealing rings (6) around their circumferential outer walls.

4. The support device for a plate heat exchanger according to claim 1, characterized in that: The positioning cap (417) is fixed with a positioning pin (418), which is inserted into the positioning box (41). The positioning cap (417) is magnetic and magnetically adsorbs the positioning cap (417) to the outer wall of the positioning box (41).

5. The support device for a plate heat exchanger according to claim 1, characterized in that: The end of the upright plate (2) away from the crossbar (3) is fixed with a slider (26), and a slide rail (11) is fixed on the base (1). The slide rail (11) is laid along the direction close to the center line of the base (1). The slider (26) slides on the slide rail (11), and a bolt for locking the position of the slider (26) is provided on the slider (26).

6. A plate heat exchanger, employing the support device for a plate heat exchanger as described in claim 1, characterized in that: The system includes frame plates (7) on both sides, heat exchanger plates (8) between adjacent frame plates (7), tightening screws (72) that penetrate the frame plates (7) and are located on both sides of the heat exchanger plates (8), an upper guide rod (73) that penetrates the frame plates (7) and is located at the top of the heat exchanger plates (8), and a lower guide rod (74) that penetrates the frame plates (7) and is located at the bottom of the heat exchanger plates (8). The heat exchanger plates (8) are embedded in the upper guide rod (73) and the lower guide rod (74) and slide along the length direction of the upper guide rod (73) and the lower guide rod (74). A rubber pad (71) is fixed at the bottom of the frame plate (7). The frame plate (7) is placed on the base (1). The hook (42) is hooked and connected to the upper guide rod (73).

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