Plate heat exchanger convenient to adjust heat exchange amount

Abstract

According to the plate heat exchanger convenient to adjust the heat exchange amount, the surfaces of a plurality of heat exchange plates are fixedly connected with the surface of a rear auxiliary end plate and the surface of a rear end plate correspondingly, and a first fixing plate and a second fixing plate are fixedly connected between a plurality of front auxiliary end plates and the rear auxiliary end plate. The vertical rod moves to drive the lifting rod to slide along the surface of the protruding part of the inner wall of the second shell, so that the lifting rod slides along the through hole machined in the second shell, manual adjustment of an operator is not needed, fluid can be automatically and rapidly blocked, and therefore manual labor is saved, and working efficiency is improved. The roller rotates to drive the disc to rotate, so that the protruding part of the disc slides along the sliding groove machined in the movable block, the movable block moves, and meanwhile the push rod slides along the through hole machined in the first shell, so that during installation, manual installation by operators is not needed, rapid installation can be achieved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plate heat exchangers, in particular to a plate heat exchanger which is convenient for adjusting the heat exchange amount. Background Art

[0002] Plate heat exchanger is a new type of high-efficiency heat exchanger composed of a series of stacked metal sheets with a certain corrugated shape; thin rectangular channels are formed between various plates, and heat is exchanged through the plates; it has the characteristics of high heat exchange efficiency, small heat loss, compact and lightweight structure, small footprint, easy installation and cleaning, wide application, and long service life. The types of plate heat exchangers are mainly divided into two categories: frame type (detachable type) and brazing type. The plate forms mainly include three types: herringbone corrugated plate, horizontal straight corrugated plate and tumor-shaped plate.

[0003] For example, the plate heat exchanger with the authorization announcement number "CN209512598U" is easy to adjust the heat exchange amount. When a large heat exchange amount is required, more heat exchange modules can be opened in sequence through the control valve. After the control valve is opened, multiple heat exchange modules are connected through pipelines to increase the heat exchange area. When a small heat exchange amount is required, some heat exchange modules can be closed in sequence through the control valve. After the control valve is closed, some heat exchange modules stop working and the heat exchange area is reduced. The operation is simple and fast, and it is easy to quickly adjust the heat exchange area of ​​the plate heat exchanger, thereby adjusting the heat exchange amount. However, the plate heat exchanger that is easy to adjust the heat exchange amount requires the operator to manually adjust the control valve to control the on and off of the fluid. Since the operator needs to manually adjust it, the labor force is increased. At the same time, the front auxiliary end plate and the rear auxiliary end plate are fixed by bolts. When installing, the operator needs to manually turn multiple screws to fix the front auxiliary end plate and the rear auxiliary end plate. Since it takes a long time to turn multiple screws, the work efficiency is reduced. Summary of the invention

[0004] The utility model aims to solve the problems existing in the above-mentioned prior art and provides a plate heat exchanger which is easy to adjust the heat exchange amount. It does not require manual control by an operator, thereby saving labor. The front auxiliary end plate and the rear auxiliary end plate can be quickly fixed, thereby improving work efficiency.

[0005] The utility model adopts a technical solution to solve its technical problems: this plate heat exchanger which is easy to adjust the heat exchange amount comprises a front end plate, a front auxiliary end plate and a rear end plate, the surfaces of the front end plate and the rear end plate are both provided with a plurality of auxiliary fixing mechanisms, the surface of the front auxiliary end plate is provided with a plurality of control entry and exit mechanisms, a plurality of heat exchange plates are provided between the front end plate and the rear end plate, wherein a plurality of the surfaces of the heat exchange plates are respectively fixedly connected to the surfaces of the front end plate and the front auxiliary end plate, wherein a plurality of the surfaces of the heat exchange plates are respectively fixedly connected to the surfaces of the rear auxiliary end plate and the front auxiliary end plate, wherein a plurality of the surfaces of the heat exchange plates are respectively fixedly connected to the surfaces of the rear auxiliary end plate and the rear end plate, wherein a first fixed plate and a second fixed plate are fixedly connected between a plurality of the front auxiliary end plates and the rear auxiliary end plates.

[0006] In order to further improve, the front end plate and the rear end plate surface are fixedly connected with a first fluid feed pipe and a first fluid discharge pipe, the front end plate and the rear end plate surface are fixedly connected with a second fluid feed pipe and a second fluid discharge pipe, the first fluid feed pipe and the first fluid discharge pipe surface correspond to two first connecting pipes respectively, the second fluid feed pipe and the second fluid pipe correspond to two second connecting pipes respectively, and the two ends of the two first connecting pipes and the second connecting pipes are fixedly connected to the front auxiliary end plate and the rear auxiliary end plate surface respectively.

[0007] To further improve, the auxiliary fixing mechanism includes a first shell, a hydraulic cylinder is fixedly connected to the inner wall of the first shell, a sliding rod is fixedly connected to the telescopic end of the hydraulic cylinder, the sliding rod is slidably connected to a sliding groove processed on the protruding part of the inner wall of the first shell, the protruding part of the sliding rod is slidably connected to the sliding groove processed on the roller, the roller is rotatably connected to the inner wall of the first shell through a pin shaft, a disc is fixedly connected to the surface of the protruding part of the roller, the protruding part of the disc is slidably connected to the sliding groove processed on the moving block, push rods are fixedly connected on both sides of the moving block, the push rods are slidably connected to the sliding groove processed on the protruding part of the inner wall of the first shell, one of the push rods passes through the first shell through a through hole, and one of the push rods is slidably connected to the first shell through a through hole.

[0008] For further improvement, one of the push rod ends is fixedly connected to a top block, and the first shell surface is fixedly connected to the front end plate and the rear end plate surface respectively.

[0009] Further improvement, the control entry and exit mechanism includes a second shell, the surface of the second shell is fixedly connected to the surface of the front auxiliary end plate through a bracket, the inner wall of the second shell is fixedly connected to a motor through the bracket, the end of the motor output shaft is fixedly connected to a worm, the worm is rotatably connected to the protruding part of the inner wall of the second shell through a bearing, the worm is meshed with a worm wheel, the worm wheel is rotatably connected to the inner wall of the second shell through a pin shaft, the surface of the worm wheel is rotatably connected to a rotating rod, the rotating rod is movably connected to the slider through a pin shaft, the slider is slidably connected to a sliding groove processed on the protruding part of the vertical rod, the vertical rod is movably connected to a lifting rod through a pin shaft, the sliding groove processed on the lifting rod is slidably connected to the surface of the protruding part of the inner wall of the second shell, the lifting rod passes through the second shell through a through hole, and the lifting rod is slidably connected to the second shell through the through hole.

[0010] For further improvement, the end of the lifting rod is fixedly connected with a special-shaped block, and the special-shaped block is slidably connected with the sliding grooves processed on the first connecting pipe and the second connecting pipe respectively.

[0011] For further improvement, the first fluid feed pipe, the first fluid discharge pipe, the second fluid feed pipe and the second fluid discharge pipe penetrate the heat exchange plate through through holes.

[0012] The beneficial effect of the utility model is as follows: in the utility model, through the cooperation of the special-shaped block and the control entry and exit mechanism, the rotation of the motor output shaft drives the worm to rotate, thereby driving the worm wheel to rotate, the rotation of the worm wheel drives the rotating rod to move, thereby driving the slider to slide along the slide groove processed on the protruding part of the vertical rod, so that the vertical rod moves, and the movement of the vertical rod drives the lifting rod to slide along the surface of the protruding part of the inner wall of the second shell, so that the lifting rod slides along the through hole processed on the second shell, so as to achieve automatic and fast blocking of the fluid without the need for manual adjustment by the operator, thereby saving manual labor.

[0013] Through the cooperation of the top block and the auxiliary fixing mechanism, the telescopic end of the hydraulic cylinder moves and drives the slide rod to slide along the slide groove processed on the protruding part of the inner wall of the first shell. At the same time, the protruding part of the slide rod slides along the slide groove processed on the roller, thereby driving the roller to rotate. The rotation of the roller drives the disc to rotate, so that the protruding part of the disc slides along the slide groove processed on the moving block, so that the moving block moves, and at the same time, the push rod slides along the through hole processed on the first shell, so that when installing, the operator does not need to manually install it, and it can be installed quickly, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 for Figure 1 A front view of

[0016] Figure 3 for Figure 1 A front sectional view of the middle control entry and exit mechanism;

[0017] Figure 4 for Figure 1 A top view of

[0018] Figure 5 for Figure 1 A top sectional view of the auxiliary fixing mechanism;

[0019] Figure 6 for Figure 1 A partial left sectional view of a part;

[0020] Figure 7 for Figure 1 Rear cross-sectional view of the auxiliary fixing mechanism.

[0021] Explanation of the accompanying drawings: 1. front end plate, 2. top block, 3. auxiliary fixing mechanism, 301. first shell, 302. hydraulic cylinder, 303. slide bar, 304. roller, 305. disc, 306. moving block, 307. push rod, 4. control entry and exit mechanism, 401. second shell, 402. motor, 403. worm, 404. worm gear, 405. rotating rod, 406. slider, 407. vertical rod, 408. lifting rod, 5. special-shaped block, 6. first fixed plate, 7. first connecting pipe, 8. heat exchange plate, 9. second fixed plate, 10. second connecting pipe, 11. rear auxiliary end plate, 12. front auxiliary end plate, 13. rear end plate, 14. second fluid discharge pipe, 15. second fluid feed pipe, 16. first fluid feed pipe, 17. first fluid discharge pipe. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings:

[0023] See attached Figure 1-7 : In the present embodiment, a plate heat exchanger convenient for adjusting the heat exchange amount includes a front end plate 1, a front auxiliary end plate 12 and a rear end plate 13, a plurality of auxiliary fixing mechanisms 3 are arranged on the surfaces of the front end plate 1 and the rear end plate 13, a plurality of control inlet and outlet mechanisms 4 are arranged on the surface of the front auxiliary end plate 12, a plurality of heat exchange plates 8 are arranged between the front end plate 1 and the rear end plate 13, wherein the surfaces of the plurality of heat exchange plates 8 are respectively fixedly connected to the surfaces of the front end plate 1 and the front auxiliary end plate 12, wherein the surfaces of the plurality of heat exchange plates 8 are respectively fixedly connected to the surfaces of the rear auxiliary end plate 11 and the front auxiliary end plate 12, wherein the surfaces of the plurality of heat exchange plates 8 are respectively fixedly connected to the surfaces of the rear auxiliary end plate 11 and the front auxiliary end plate 13, wherein the surfaces of the plurality of heat exchange plates 8 are respectively fixedly connected to the surfaces of the rear auxiliary end plate 11 and the rear end plate 13, a first fixing plate 6 and a second fixing plate 9 are fixedly connected between the plurality of front auxiliary end plates 12 and the rear auxiliary end plates 11, the front auxiliary end plate 12 and the rear auxiliary end plate 11 are fixed by the first fixing plate 6 and the second fixing plate 9, and a first fluid feed pipe 16 and a first fluid discharge pipe 17 are fixedly connected to the surfaces of the front end plate 1 and the rear end plate 13;

[0024] The surfaces of the front end plate 1 and the rear end plate 13 are fixedly connected with a second fluid feed pipe 15 and a second fluid discharge pipe 14. The surfaces of the first fluid feed pipe 16 and the first fluid discharge pipe 17 correspond to the two first connecting pipes 7 respectively. The second fluid feed pipe 15 and the second fluid discharge pipe 14 correspond to the two second connecting pipes 10 respectively. The two ends of the two first connecting pipes 7 and the second connecting pipes 10 are fixedly connected to the surfaces of the front auxiliary end plate 12 and the rear auxiliary end plate 11 respectively. One end of a push rod 307 is fixedly connected to a top block 2. The push rod 307 moves The lifting rod 408 drives the top block 2 to move, and the surfaces of the first shell 301 are fixedly connected to the surfaces of the front end plate 1 and the rear end plate 13 respectively. The end of the lifting rod 408 is fixedly connected with the special-shaped block 5, and the special-shaped block 5 is slidably connected to the slide grooves processed on the first connecting tube 7 and the second connecting tube 10 respectively. The movement of the lifting rod 408 drives the special-shaped block 5 to slide along the slide grooves processed on the first connecting tube 7 and the second connecting tube 10, and the first fluid feed pipe 16, the first fluid discharge pipe 17, the second fluid feed pipe 15 and the second fluid discharge pipe 14 pass through the through holes to penetrate the heat exchange plate 8.

[0025] See attached Figure 5 and attached Figure 7

[0026] The auxiliary fixing mechanism 3 includes a first shell 301, a hydraulic cylinder 302 is fixedly connected to the inner wall of the first shell 301, a sliding rod 303 is fixedly connected to the telescopic end of the hydraulic cylinder 302, the sliding rod 303 is slidably connected to the sliding groove processed on the protruding part of the inner wall of the first shell 301, the protruding part of the sliding rod 303 is slidably connected to the sliding groove processed on the roller 304, the roller 304 is rotatably connected to the inner wall of the first shell 301 through a pin, a disc 305 is fixedly connected to the surface of the protruding part of the roller 304, the protruding part of the disc 305 is slidably connected to the sliding groove processed on the moving block 306, and push rods 307 are fixedly connected on both sides of the moving block 306, the push rods 307 are slidably connected to the sliding groove processed on the protruding part of the inner wall of the first shell 301, and one of the push rods 307 passes through the first shell 301 through a through hole;

[0027] One of the push rods 307 is slidably connected to the first shell 301 through a through hole, and the power of the hydraulic cylinder 302 is turned on. The telescopic end of the hydraulic cylinder 302 moves to drive the slide rod 303 to slide along the slide groove processed on the protruding part of the inner wall of the first shell 301. At the same time, the protruding part of the slide rod 303 slides along the slide groove processed on the roller 304, thereby driving the roller 304 to rotate. The rotation of the roller 304 drives the disc 305 to rotate, so that the protruding part of the disc 305 slides along the slide groove processed on the moving block 306, so that the moving block 306 moves, and at the same time, the push rod 307 slides along the through hole processed on the first shell 301.

[0028] See attached Figure 3: The control entry and exit mechanism 4 includes a second housing 401, the surface of the second housing 401 is fixedly connected to the surface of the front auxiliary end plate 12 through a bracket, the inner wall of the second housing 401 is fixedly connected to a motor 402 through a bracket, the end of the output shaft of the motor 402 is fixedly connected to a worm 403, the worm 403 is rotatably connected to the protruding part of the inner wall of the second housing 401 through a bearing, the worm 403 is meshed with a worm wheel 404, the worm wheel 404 is rotatably connected to the inner wall of the second housing 401 through a pin shaft, the surface of the worm wheel 404 is rotatably connected to a rotating rod 405, the rotating rod 405 is movably connected to a slider 406 through a pin shaft, the slider 406 is slidably connected to a slide groove processed on the protruding part of the vertical rod 407, and the vertical rod 407 is movably connected to a lifting rod 408 through a pin shaft;

[0029] The slide groove processed on the lifting rod 408 is slidably connected with the surface of the protruding portion of the inner wall of the second shell 401, and the lifting rod 408 penetrates the second shell 401 through the through hole. The lifting rod 408 is slidably connected with the second shell 401 through the through hole, and the power of the motor 402 is turned on. The output shaft of the motor 402 rotates to drive the worm 403 to rotate, thereby driving the worm wheel 404 to rotate. The rotation of the worm wheel 404 drives the rotating rod 405 to move, thereby driving the slider 406 to slide along the slide groove processed on the protruding portion of the vertical rod 407, so that the vertical rod 407 moves. The movement of the vertical rod 407 drives the lifting rod 408 to slide along the surface of the protruding portion of the inner wall of the second shell 401, so that the lifting rod 408 slides along the through hole processed on the second shell 401.

[0030] Working principle: When using this plate heat exchanger that is easy to adjust the heat transfer capacity:

[0031] Fixing process: When the plate heat exchanger needs to be installed in the box, after the front plate 1 and the rear plate 13 are placed in the appropriate position, the power supply of multiple hydraulic cylinders 302 on the surface of the front plate 1 and the rear plate 13 is started, and the telescopic end of the hydraulic cylinder 302 moves to drive the slide bar 303 to slide along the slide groove processed on the protruding part of the inner wall of the first shell 301, and at the same time, the protruding part of the slide bar 303 slides along the slide groove processed on the roller 304, thereby driving the roller 304 to rotate, and the rotation of the roller 304 drives the disc 305 to rotate so that the protruding part of the disc 305 moves along the slide groove processed on the moving block 306. Slide to move the moving block 306, and at the same time make the push rod 307 slide along the through hole processed on the first shell 301, so that the push rod 307 on the surface of the front end plate 1 and the rear end plate 13 move relative to each other, and the relative movement of the push rod 307 drives the top block 2 to move. When the top block 2 is pressed against the inner wall of the box, turn off the power of the hydraulic cylinder 302, fix the front end plate 1 and the rear end plate 13, and at the same time, through the cooperation of multiple top blocks 2, the first fixed plate 6 and the second fixed plate 9, multiple front auxiliary end plates 12 and rear auxiliary end plates 11 are fixed, so that the plate heat exchanger is more stable when working in the box.

[0032] Adjustment process: when a larger amount of heat exchange is required, multiple motors 402 power supplies are started, the output shaft of the motor 402 rotates to drive the worm 403 to rotate, thereby driving the worm wheel 404 to rotate, the rotation of the worm wheel 404 drives the rotating rod 405 to move, thereby driving the slider 406 to slide along the slide groove processed on the protruding part of the vertical rod 407, so that the vertical rod 407 moves, and the movement of the vertical rod 407 drives the lifting rod 408 to slide along the surface of the protruding part of the inner wall of the second shell 401, so that the lifting rod 408 slides along the through hole processed on the second shell 401, and the lifting rod 408 moves upward to drive the special-shaped block 5 to move upward, so that the first fluid heat exchange medium enters the first connecting feed pipe 16 through the first connecting pipe 7 on the right side, and passes through the heat exchange plate 8 for heat conversion. After the conversion, it is discharged from the first fluid discharge pipe 17. Similarly, the second fluid cold exchange medium enters the second fluid feed pipe 15 through the second connecting pipe 10 on the right side, and passes through the heat exchange plate 8 for heat conversion. After the conversion, it is discharged from the second fluid discharge pipe 15.

[0033] When a smaller amount of heat exchange is required, part of the power supply of the motor 402 is started to move the lifting rod 408 downward, so that the special-shaped block 5 moves downward. When the surface of the special-shaped block 5 is pressed against the inner wall of the first connecting pipe 7 and the inner wall of the second connecting pipe 10, part of the first fluid heat exchange medium and the second fluid cold exchange medium are prevented from entering the first connecting pipe 7 and the second connecting pipe 10 for heat conversion, so as to realize the rapid adjustment of the heat exchange capacity of the plate heat exchanger.

[0034] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A plate heat exchanger that is convenient for adjusting heat exchange amount, comprising a front end plate (1), a front auxiliary end plate (12) and a rear end plate (13), wherein: The surfaces of the front end plate (1) and the rear end plate (13) are both provided with a plurality of auxiliary fixing mechanisms (3), the surface of the front auxiliary end plate (12) is provided with a plurality of control entry and exit mechanisms (4), a plurality of heat exchange plates (8) are provided between the front end plate (1) and the rear end plate (13), wherein the surfaces of the plurality of heat exchange plates (8) are respectively fixedly connected to the surfaces of the front end plate (1) and the front auxiliary end plate (12), wherein the surfaces of the plurality of heat exchange plates (8) are respectively fixedly connected to the surfaces of the rear auxiliary end plate (11) and the front auxiliary end plate (12), wherein the surfaces of the plurality of heat exchange plates (8) are respectively fixedly connected to the surfaces of the rear auxiliary end plate (11) and the rear end plate (13), and a first fixing plate (6) and a second fixing plate (9) are fixedly connected between the plurality of front auxiliary end plates (12) and the rear auxiliary end plates (11).

2. A plate heat exchanger that is easy to adjust heat exchange capacity according to claim 1, characterized in that: The surfaces of the front end plate (1) and the rear end plate (13) are fixedly connected with a first fluid feed pipe (16) and a first fluid discharge pipe (17); the surfaces of the front end plate (1) and the rear end plate (13) are fixedly connected with a second fluid feed pipe (15) and a second fluid discharge pipe (14); the surfaces of the first fluid feed pipe (16) and the first fluid discharge pipe (17) correspond to two first connecting pipes (7) respectively; the second fluid feed pipe (15) and the second fluid discharge pipe (14) correspond to two second connecting pipes (10) respectively; and the two ends of the two first connecting pipes (7) and the second connecting pipe (10) are fixedly connected with the surfaces of the front auxiliary end plate (12) and the rear auxiliary end plate (11) respectively.

3. A plate heat exchanger that is easy to adjust heat exchange capacity according to claim 1, characterized in that: The auxiliary fixing mechanism (3) comprises a first shell (301), the inner wall of the first shell (301) is fixedly connected to a hydraulic cylinder (302), the telescopic end of the hydraulic cylinder (302) is fixedly connected to a sliding rod (303), the sliding rod (303) is slidably connected to a sliding groove processed on a protruding portion of the inner wall of the first shell (301), the protruding portion of the sliding rod (303) is slidably connected to a sliding groove processed on a roller (304), the roller (304) is rotatably connected to the inner wall of the first shell (301) via a pin, and the roller (304) is rotatably connected to the inner wall of the first shell (301) via a pin. A disc (305) is fixedly connected to the surface of the protruding portion 304, and the protruding portion of the disc (305) is slidably connected to a slide groove processed on the moving block (306). Push rods (307) are fixedly connected to both sides of the moving block (306), and the push rods (307) are slidably connected to the slide groove processed on the protruding portion of the inner wall of the first shell (301), one of the push rods (307) passes through the first shell (301) through a through hole, and one of the push rods (307) is slidably connected to the first shell (301) through the through hole.

4. A plate heat exchanger that is easy to adjust the heat exchange according to claim 3, characterized in that: one The end of the push rod (307) is fixedly connected to a top block (2), and the surface of the first shell (301) is fixedly connected to the surfaces of the front end plate (1) and the rear end plate (13), respectively.

5. The plate heat exchanger for adjusting heat exchange capacity according to claim 1 is characterized in that: The control entry and exit mechanism (4) comprises a second housing (401); the surface of the second housing (401) is fixedly connected to the surface of the front auxiliary end plate (12) via a bracket; the inner wall of the second housing (401) is fixedly connected to a motor (402) via the bracket; the end of the output shaft of the motor (402) is fixedly connected to a worm (403); the worm (403) is rotatably connected to a protruding portion of the inner wall of the second housing (401) via a bearing; the worm (403) is meshed with a worm wheel (404); the worm wheel (404) is rotatably connected to the inner wall of the second housing (401) via a pin shaft; The surface of the worm wheel (404) is rotatably connected to a rotating rod (405), the rotating rod (405) is movably connected to a slider (406) via a pin shaft, the slider (406) is slidably connected to a slide groove processed on a protruding portion of a vertical rod (407), the vertical rod (407) is movably connected to a lifting rod (408) via a pin shaft, the slide groove processed on the lifting rod (408) is slidably connected to the surface of a protruding portion of an inner wall of the second shell (401), the lifting rod (408) passes through the second shell (401) via a through hole, and the lifting rod (408) is slidably connected to the second shell (401) via the through hole.

6. A plate heat exchanger that is easy to adjust heat exchange capacity according to claim 5, characterized in that: The end of the lifting rod (408) is fixedly connected to a special-shaped block (5), and the special-shaped block (5) is slidably connected to the sliding grooves processed on the first connecting pipe (7) and the second connecting pipe (10).

7. The plate heat exchanger that is easy to adjust the heat exchange amount according to claim 2 is characterized in that: The first fluid feed pipe (16), the first fluid discharge pipe (17), the second fluid feed pipe (15) and the second fluid discharge pipe (14) penetrate the heat exchange plate (8) through the through holes.

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