Top plate device of plate heat exchanger

Abstract

The plate heat exchanger top plate device comprises a bottom plate, a top plate body and a heat exchange plate, the top plate body is arranged on one side of the bottom plate, the heat exchange plate is arranged between the bottom plate and the top plate body, four sliding rods are fixedly connected to one side of the top plate body, and abutting plates are connected among the exteriors of the four sliding rods in a sliding mode. And one side of the abutting plate makes contact with one side of the heat exchange plate, the side, away from the heat exchange plate, of the abutting plate is fixedly connected with two rolling wheels, one side of the top plate body is fixedly connected with a first L-shaped plate, and the outer side of the first L-shaped plate is fixedly connected with an air cylinder. The utility model has the beneficial effects that the sealing between the heat exchange plates is tighter, the medium leakage is prevented, the safety and reliability of equipment are improved, the stress on the heat exchange plates can be uniformly distributed, the stress concentration is reduced, the deformation or damage of the plates is avoided, and the service life of the equipment is prolonged; compared with a traditional device, the operation quality and the use efficiency are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to a top plate device of a plate heat exchanger. Background Technique

[0002] A plate heat exchanger is an efficient heat exchange device, which is widely used in various industrial fields. Its main function is to transfer heat from one medium to another through heat exchange between plates, so as to realize processes such as heating, cooling, evaporation or condensation;

[0003] When the existing plate heat exchanger is in use, the top plate is in a fixed state and cannot press the heat exchange plates. On the one hand, the inability to press the heat exchange plates will lead to poor sealing effect, which may cause medium leakage and reduce the safety and working efficiency of the equipment. On the other hand, the contact between the heat exchange plates is not tight enough, which will lead to a decrease in the heat transfer efficiency and affect the overall heat exchange effect.

[0004] In view of the above problems, we have developed a top plate device of a plate heat exchanger. Content of the Utility Model

[0005] The utility model discloses a top plate device of a plate heat exchanger, aiming to solve the technical problem that the heat exchange plates cannot be pressed.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A top plate device of a plate heat exchanger includes a bottom plate, a top plate body and heat exchange plates. The top plate body is arranged on one side of the bottom plate, the heat exchange plates are arranged between the bottom plate and the top plate body. Four sliding rods are fixedly connected to one side of the top plate body. A pressing plate is slidably connected between the four sliding rods. One side of the pressing plate is in contact with one side of the heat exchange plates. Two rollers are fixedly connected to the side of the pressing plate away from the heat exchange plates. A first L-shaped plate is fixedly connected to one side of the top plate body. A cylinder is fixedly connected to the outside of the first L-shaped plate. The output shaft of the cylinder penetrates through the first L-shaped plate and is fixedly connected to a pushing plate. One side of the pushing plate is in contact with the surface of the rollers.

[0008] By providing a stable basic structure through the bottom plate, the top plate body is used to fix and support other components. The heat exchange plates are the core part for heat exchange of the medium. The sliding rods are used for guiding and supporting the sliding of the pressing plate. The pressing plate is used to press and fix the heat exchange plates. The rollers cooperate with the pushing plate to realize the sliding of the pressing plate, drive the pressing plate to move, make the seal between the heat exchange plates tighter, prevent medium leakage, and improve the safety and reliability of the equipment.

[0009] In a preferred embodiment, both ends of the bottom plate close to the top plate body are fixedly connected with adjustment threaded rods, the adjustment threaded rods pass through the heat exchange plate and the top plate body, and the outside of the adjustment threaded rods are threadedly connected with adjustment nuts on both sides of the top plate body.

[0010] By setting the adjusting threaded rod and the adjusting nut, the lateral position of the top plate body is easily adjusted, thereby improving the flexibility and applicability of the device.

[0011] In a preferred solution, a T-shaped limit strip is fixedly connected to one side of the top plate body, and two limit blocks are slidably connected to the outside of the limit strip, and the limit blocks are fixedly connected to the side of the push plate away from the roller.

[0012] By arranging the limit strip and the limit block through the T-shaped structure, the stable movement of the push plate is ensured, the deviation of the push plate is prevented, and the operation stability of the device is improved.

[0013] In a preferred solution, the top and bottom of the base plate are fixedly connected to a first fixed plate, one side of the first fixed plate is fixedly connected to two connecting rods, a second fixed plate is fixedly connected between the ends of the two connecting rods away from the first fixed plate, and a connecting block is slidably connected between the outsides of the two connecting rods.

[0014] By arranging the first fixing plate, the connecting rod and the second fixing plate, a stable supporting structure is formed, thereby enhancing the overall stability and structural strength of the device.

[0015] In a preferred solution, a reciprocating threaded rod is rotatably connected between the first fixed plate and the second fixed plate and between the corresponding two connecting rods, the connecting blocks are threadedly connected to the corresponding reciprocating threaded rods, and the bottom of the connecting blocks is fixedly connected to a brush plate, and the side of the brush plate away from the connecting block is in contact with the top and bottom of the heat exchange plate.

[0016] By setting the reciprocating threaded rod and the brush plate, automatic cleaning of the heat exchange plate is achieved, dirt accumulation is prevented, and the cleanliness and working efficiency of the heat exchanger are improved.

[0017] In a preferred solution, one end of the reciprocating threaded rod passes through the first fixed plate and is fixedly connected to a synchronous wheel, and a synchronous belt is transmission-connected between the outsides of the two synchronous wheels, and a second L-shaped plate is fixedly connected to the outside of one of the first fixed plates, and a motor is fixedly connected to the outside of the second L-shaped plate, and the output shaft of the motor passes through the second L-shaped plate and is fixedly connected to the outside of one of the synchronous wheels.

[0018] By setting up a synchronous belt and a synchronous pulley driven by a motor, the automatic rotation of the reciprocating threaded rod and the automatic cleaning of the brush plate are achieved, improving the automation degree and operation efficiency of the device.

[0019] In a preferred embodiment, an intake pipe is fixedly connected to the input end of the heat exchange plate, and an exhaust pipe is fixedly connected to the output end of the heat exchange plate.

[0020] By setting up the intake pipe and the exhaust pipe, the efficient introduction and discharge of the fluid are realized, improving the working efficiency and heat exchange effect of the heat exchanger.

[0021] A plate heat exchanger top plate device provided by the present utility model has the following advantages:

[0022] In the present utility model, when the above-mentioned plate heat exchanger top plate is in use, the push plate is connected by a cylinder to press and push the roller on one side of the pressing plate, so that the pressing plate presses the heat exchange plate. On the one hand, the seal between the heat exchange plates can be made tighter, preventing medium leakage and improving the safety and reliability of the equipment. On the other hand, the stress on the heat exchange plate can be evenly distributed, reducing stress concentration, avoiding plate deformation or damage, and extending the service life of the equipment. Compared with traditional devices, the operation quality and service efficiency are greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 FIG. 1 is a first perspective three-dimensional schematic diagram of a plate heat exchanger top plate device proposed by the present utility model.

[0024] Figure 2 FIG. 2 is a second perspective three-dimensional schematic diagram of a plate heat exchanger top plate device proposed by the present utility model.

[0025] Figure 3 FIG. 3 is a partial structural explosion schematic diagram of a plate heat exchanger top plate device proposed by the present utility model.

[0026] Figure 4 FIG. 4 is a schematic diagram of the brush plate structure of a plate heat exchanger top plate device proposed by the present utility model.

[0027] Figure 5 FIG. 5 is a schematic diagram of the pressing plate structure of a plate heat exchanger top plate device proposed by the present utility model.

[0028] Figure 6 is Figure 2 the enlarged view at A in

[0029] In the accompanying drawings: 1. Bottom plate; 2. Top plate body; 3. Heat exchange plate; 4. Sliding rod; 5. Pressing plate; 6. Roller; 7. First L-shaped plate; 8. Cylinder; 9. Pushing plate; 10. Adjusting threaded rod; 11. Adjusting nut; 12. Limiting strip; 13. Limiting block; 14. First fixing plate; 15. Connecting rod; 16. Second fixing plate; 17. Reciprocating threaded rod; 18. Connecting block; 19. Brushing plate; 20. Synchronous pulley; 21. Synchronous belt; 22. Second L-shaped plate; 23. Motor; 24. Intake pipe; 25. Exhaust pipe. Detailed implementation manners

[0030] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Usually, the components of the embodiments of the present application described and marked in the accompanying drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application required to be protected, but only represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.

[0031] A top plate device of a plate heat exchanger disclosed by the present utility model is mainly applied to the scenario of a heat exchanger.

[0032] Referring to Figure 3 and Figure 5 , a top plate device of a plate heat exchanger includes a bottom plate 1, a top plate body 2 and a heat exchange plate 3. The top plate body 2 is arranged on one side of the bottom plate 1, and the heat exchange plate 3 is arranged between the bottom plate 1 and the top plate body 2. Four sliding rods 4 are fixedly connected to one side of the top plate body 2. A pressing plate 5 is slidably connected between the outer parts of the four sliding rods 4. One side of the pressing plate 5 is in contact with one side of the heat exchange plate 3. Two rollers 6 are fixedly connected to the side of the pressing plate 5 away from the heat exchange plate 3. A first L-shaped plate 7 is fixedly connected to one side of the top plate body 2. A cylinder 8 is fixedly connected to the outside of the first L-shaped plate 7. The output shaft of the cylinder 8 penetrates through the first L-shaped plate 7 and is fixedly connected to a pushing plate 9. One side of the pushing plate 9 is in contact with the surface of the roller 6.

[0033] In this embodiment: The bottom plate 1 provides a stable basic structure. The top plate body 2 is used to fix and support other components. The heat exchange plate 3 is the core part for heat exchange of the medium. The sliding rods 4 are used for guiding and supporting the sliding of the pressing plate 5. The pressing plate 5 is used to press and fix the heat exchange plate 3. The rollers 6 cooperate with the pushing plate 9 to realize the sliding of the pressing plate 5. The first L-shaped plate 7 is used to fix the cylinder 8. The cylinder 8 provides power, and the pushing plate 9 realizes sliding, driving the pressing plate 5 to move, making the seal between the heat exchange plates 3 tighter, preventing medium leakage, and improving the safety and reliability of the equipment.

[0034] Referring to Figure 2 and Figure 3 , in a preferred embodiment, both ends of the bottom plate 1 close to one side of the top plate body 2 are fixedly connected with adjusting threaded rods 10. The adjusting threaded rods 10 penetrate through the heat exchange plate 3 and the top plate body 2, and adjusting nuts 11 are threadedly connected to both sides of the top plate body 2 on the outside of the adjusting threaded rods 10.

[0035] In this embodiment: Through the arrangement of the adjusting threaded rods 10 and the adjusting nuts 11, the adjustment of the lateral position of the top plate body 2 is facilitated, and the flexibility and applicability of the device are improved.

[0036] Referring to Figure 3 and Figure 5 , in a preferred embodiment, a T-shaped limiting strip 12 is fixedly connected to one side of the top plate body 2. Two limiting blocks 13 are slidably connected to the outside of the limiting strip 12, and the limiting blocks 13 are fixedly connected to the side of the pushing plate 9 away from the roller 6.

[0037] In this embodiment: Through the cooperation of the T-shaped limiting strip 12 and the limiting blocks 13, the stable movement of the pushing plate 9 is ensured, the deviation of the pushing plate 9 is prevented, and the operation stability of the device is improved.

[0038] Referring to Figure 1 and Figure 4 , in a preferred embodiment, first fixing plates 14 are fixedly connected to both the top and bottom of the bottom plate 1. Two connecting rods 15 are fixedly connected to one side of each first fixing plate 14. A second fixing plate 16 is fixedly connected between the ends of the corresponding two connecting rods 15 away from the first fixing plates 14, and connecting blocks 18 are slidably connected between the outsides of the corresponding two connecting rods 15.

[0039] In this embodiment: Through the arrangement of the first fixing plates 14, the connecting rods 15 and the second fixing plates 16, a stable support structure is formed, enhancing the overall stability and structural strength of the device.

[0040] Referring to Figure 1 and Figure 4 , in a preferred embodiment, a reciprocating threaded rod 17 is rotatably connected between the first fixing plate 14 and the second fixing plate 16 and between the corresponding two connecting rods 15. The connecting blocks 18 are threadedly connected to the corresponding reciprocating threaded rods 17. Brush plates 19 are fixedly connected to the bottoms of the connecting blocks 18, and the sides of the brush plates 19 away from the connecting blocks 18 are in contact with the top and bottom of the heat exchange plate 3.

[0041] In this embodiment: Through the arrangement of the reciprocating threaded rod 17 and the brush plates 19, the automatic cleaning of the heat exchange plate 3 is realized, the accumulation of dirt is prevented, and the cleanliness and working efficiency of the heat exchanger are improved.

[0042] Referring to Figure 1 and Figure 4 , in a preferred embodiment, one end of each reciprocating threaded rod 17 penetrates through the first fixing plate 14 and is fixedly connected to a synchronous pulley 20. A synchronous belt 21 is connected in transmission between the outsides of the two synchronous pulleys 20. A second L-shaped plate 22 is fixedly connected to the outside of one of the first fixing plates 14. A motor 23 is fixedly connected to the outside of the second L-shaped plate 22. The output shaft of the motor 23 penetrates through the second L-shaped plate 22 and is fixedly connected to the outside of one of the synchronous pulleys 20.

[0043] In this embodiment: By driving the synchronous belt 21 and the synchronous pulley 20 with the motor 23, the automatic rotation of the reciprocating threaded rod 17 and the automatic cleaning of the brush plate 19 are realized, improving the automation degree and operation efficiency of the device.

[0044] Referring to Figure 1 and Figure 2 , in a preferred embodiment, an air inlet pipe 24 is fixedly connected to the input end of the heat exchange plate 3, and an exhaust pipe 25 is fixedly connected to the output end of the heat exchange plate 3.

[0045] In this embodiment: Through the arrangement of the air inlet pipe 24 and the exhaust pipe 25, the efficient introduction and discharge of the fluid are realized, improving the working efficiency and heat exchange effect of the heat exchanger.

[0046] Working principle: When the top plate of the above-mentioned plate heat exchanger is in use, the cylinder 8 is started, and the push plate 9 is pushed through the output shaft. The push plate 9 contacts the surface of the roller 6, driving the pressing plate 5 to slide along the sliding rod 4, pressing or releasing the heat exchange plate 3. The adjusting threaded rod 10 and the adjusting nut 11 are used to adjust the relative position between the heat exchange plate 3 and the top plate body 2 to ensure the stability and good contact of the heat exchange plate 3. The motor 23 is started, and through the transmission of the synchronous pulley 20 and the synchronous belt 21, the reciprocating threaded rod 17 rotates. Driven by the reciprocating threaded rod 17, the connecting block 18 makes a reciprocating motion. A brush plate 19 is connected to the bottom of the connecting block 18. The brush plate 19 contacts the surface of the heat exchange plate 3, and the reciprocating motion of the brush plate 19 cleans the heat exchange plate 3. The heat exchange medium enters the heat exchange plate 3 through the air inlet pipe 24, is heated or cooled in the heat exchange plate 3, and the medium after heat exchange is discharged through the exhaust pipe 25. It can evenly distribute the stress on the heat exchange plate 3, reduce stress concentration, avoid deformation or damage of the plate, extend the service life of the equipment, and greatly improve the operation quality and use efficiency compared with the traditional device.

[0047] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. The substitution may be the substitution of part of the structure, device, and method steps, or a complete technical solution. According to the technical solution of the present invention and its inventive concept, equivalent substitution or change should be covered within the protection scope of the present invention.

Claims

1. A plate heat exchanger top plate device, comprising a bottom plate (1), a top plate body (2) and heat exchange plates (3), characterized in that, The top plate body (2) is arranged on one side of the bottom plate (1), and the heat exchange plate (3) is arranged between the bottom plate (1) and the top plate body (2). Four sliding rods (4) are fixedly connected to one side of the top plate body (2), and a pressure plate (5) is slidably connected between the outsides of the four sliding rods (4). One side of the pressure plate (5) is in contact with one side of the heat exchange plate (3), and the side of the pressure plate (5) away from the heat exchange plate (3) is fixedly connected to two rollers (6). One side of the top plate body (2) is fixedly connected to a first L-shaped plate (7), and the outer side of the first L-shaped plate (7) is fixedly connected to a cylinder (8), and the output shaft of the cylinder (8) passes through the first L-shaped plate (7) and is fixedly connected to a push plate (9), and one side of the push plate (9) is in contact with the surface of the roller (6).

2. The top plate device of a plate heat exchanger according to claim 1, characterized in that, Both ends of the bottom plate (1) close to the top plate body (2) are fixedly connected with adjustment threaded rods (10), and the adjustment threaded rods (10) penetrate the heat exchange plate (3) and the top plate body (2). The outside of the adjustment threaded rods (10) is threadedly connected with adjustment nuts (11) on both sides of the top plate body (2).

3. A plate heat exchanger top plate device according to claim 1, characterized in that, A T-shaped limit strip (12) is fixedly connected to one side of the top plate body (2), and two limit blocks (13) are slidably connected to the outside of the limit strip (12), and the limit blocks (13) are fixedly connected to the side of the push plate (9) away from the roller (6).

4. A top plate device of a plate heat exchanger according to claim 1, characterized in that, The top and bottom of the base plate (1) are fixedly connected to a first fixing plate (14); one side of the first fixing plate (14) is fixedly connected to two connecting rods (15); a second fixing plate (16) is fixedly connected between the ends of the two connecting rods (15) away from the first fixing plate (14); and a connecting block (18) is slidably connected between the outsides of the two connecting rods (15).

5. A plate heat exchanger top plate device according to claim 4, characterized in that, A reciprocating threaded rod (17) is rotatably connected between the first fixed plate (14) and the second fixed plate (16) and between the corresponding two connecting rods (15); the connecting blocks (18) are threadedly connected to the corresponding reciprocating threaded rods (17); a brush plate (19) is fixedly connected to the bottom of the connecting blocks (18); and a side of the brush plate (19) away from the connecting blocks (18) is in contact with the top and bottom of the heat exchange plate (3).

6. The top plate device of a plate heat exchanger according to claim 5, characterized in that, One end of each of the reciprocating threaded rods (17) passes through the first fixed plate (14) and is fixedly connected to a synchronous wheel (20); a synchronous belt (21) is transmission-connected between the outsides of the two synchronous wheels (20); a second L-shaped plate (22) is fixedly connected to the outside of one of the first fixed plates (14); a motor (23) is fixedly connected to the outside of the second L-shaped plate (22); an output shaft of the motor (23) passes through the second L-shaped plate (22) and is fixedly connected to the outside of one of the synchronous wheels (20).

7. A plate heat exchanger top plate device according to claim 1, characterized in that, The input end of the heat exchange plate (3) is fixedly connected to an air inlet pipe (24), and the output end of the heat exchange plate (3) is fixedly connected to an exhaust pipe (25).

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