Integrated detachable plate heat exchanger

Abstract

The utility model discloses an integrated detachable plate heat exchanger, and relates to the technical field of heat exchangers. The integrated detachable plate heat exchanger comprises a heat exchanger frame, a fixed pressing plate, a first plate bundle set, a middle partition plate, a second plate bundle set and a movable pressing plate. The fixed pressing plate enables a heat medium entering from a first heat medium inlet to flow out from a first heat medium outlet after flowing through the first plate bundle set. The movable pressing plate enables a thermal medium entering from the second thermal medium inlet to flow out from the second thermal medium outlet after flowing through the second plate bundle group; a second cold medium inlet and a second cold medium outlet corresponding to the first cold medium inlet and the first cold medium outlet in the fixed pressing plate are formed in the fixed pressing plate and the middle partition plate, so that a cold medium entering from the first cold medium inlet sequentially passes through a first cold medium runner hole, the second cold medium inlet and a second cold medium runner hole; and the cold medium flows through the second cold medium outlet and then is discharged through the first cold medium flow channel and the first cold medium outlet in sequence.

Description

Technical Field

[0001] The utility model relates to the technical field, in particular to an integrated detachable plate heat exchanger. Background Art

[0002] Plate heat exchanger is a highly efficient heat exchange equipment, widely used in HVAC, waste heat recovery, petrochemical, food processing and other fields. It forms multiple flow channels through a series of parallel metal plates to achieve heat exchange between two or more media. These metal plates usually have corrugated or smooth surfaces to increase the turbulence of the fluid, thereby improving the heat transfer efficiency. Plate heat exchanger has become the preferred equipment for industrial heat exchange with its compact design, efficient heat transfer performance and easy maintenance.

[0003] As detachable plate heat exchangers are increasingly used in many fields such as HVAC, waste heat recovery, and petrochemicals, more and more problems such as small space and many media requiring heat exchange are also emerging. Utility Model Content

[0004] To this end, an embodiment of the utility model provides an integrated detachable plate heat exchanger to solve the problem that the existing heat exchanger in the above technology cannot meet the heat exchange requirements of various media.

[0005] In order to achieve the above purpose, the embodiment of the utility model provides the following technical solutions:

[0006] An integrated detachable plate heat exchanger comprises a heat exchanger frame, one end of the heat exchanger frame is fixedly connected with a fixed pressing plate, one side of the fixed pressing plate is sequentially provided with a first plate bundle group, a middle partition plate, a second plate bundle group and a movable pressing plate, the middle partition plate and the movable pressing plate are both slidably connected with the heat exchanger frame, and the sliding direction is close to / away from the fixed pressing plate;

[0007] The fixed pressing plate is provided with a first heat medium inlet and a first heat medium outlet, and the first plate bundle group is provided with a first heat medium flow channel hole, so that the heat medium entering the first heat medium inlet flows through the first plate bundle group and then flows out from the first heat medium outlet;

[0008] The movable pressing plate is provided with a second heat medium inlet and a second heat medium outlet, and the second plate bundle group is provided with a second heat medium flow channel hole, so that the heat medium entering from the second heat medium inlet flows through the second plate bundle group and then flows out from the second heat medium outlet;

[0009] The fixed pressing plate is also provided with a first cold medium inlet and a first cold medium outlet, the middle partition is provided with a second cold medium inlet and a second cold medium outlet corresponding to the first cold medium inlet and the first cold medium outlet on the fixed pressing plate, the first plate bundle group is provided with a first cold medium flow channel hole corresponding to the first cold medium inlet and the first cold medium outlet, and the second plate bundle group is provided with a second cold medium flow channel hole corresponding to the first cold medium inlet and the first cold medium outlet, so that the cold medium entering the first cold medium inlet passes through the first cold medium flow channel hole, the second cold medium inlet, and the second cold medium flow channel hole in sequence, flows through the second cold medium outlet, and then passes through the first cold medium flow channel and the first cold medium outlet in sequence to be discharged.

[0010] Optionally, the heat exchanger frame includes a vertical part and two horizontal parts fixedly connected to both ends of the vertical part. The heat exchanger frame is a U-shaped structure. The fixed clamping plate is fixedly connected to the ends of the two horizontal parts. The movable clamping plate and the middle partition are clamped between the two horizontal parts, and the middle partition and the movable clamping plate are both slidably connected to the horizontal parts.

[0011] Optionally, the upper and lower sides of the middle partition and the movable clamping plate are provided with sliding grooves compatible with the horizontal part, and the movable clamping plate and the top of the middle partition are located on both sides of the horizontal part with connecting parts higher than the horizontal part, and the two connecting parts are connected and fixed by a bolt assembly.

[0012] Optionally, the first plate bundle group includes a plurality of first heat exchange plates, and the plurality of first heat exchange plates are tightly fitted, and the flow holes on the first heat exchange plates form medium flow channels and are connected with the first cold medium flow holes and the first hot medium flow holes.

[0013] Optionally, the second plate bundle group includes a plurality of second heat exchange plates, and the plurality of second heat exchange plates are tightly fitted, and the flow holes on the second heat exchange plates form medium flow channels and are connected with the second cold medium flow holes and the second hot medium flow holes.

[0014] The utility model has at least the following beneficial effects:

[0015] The utility model forms a circulation circuit of the first heat medium with a fixed pressing plate and a movable pressing plate arranged on both sides of the middle partition. The fixed pressing plate and the first heat medium inlet, the first heat medium flow channel hole and the first heat medium outlet on the first plate bundle group form a circulation circuit of the first heat medium. The movable pressing plate and the second heat medium inlet, the second heat medium flow channel hole and the second heat medium outlet on the second plate bundle group form a circulation circuit of the second heat medium. Two heat medium circuits that do not interfere with each other are formed on both sides of the middle partition. The first cold medium inlet, the first cold medium flow channel hole, the second cold medium inlet, the second cold medium flow channel hole, the second cold medium outlet and the first cold medium outlet arranged on the fixed pressing plate, the first plate bundle group, the middle partition and the second plate bundle group form a cold medium circuit connecting the two sides of the middle partition, so that the cold medium can exchange heat with the two heat medium circuits on both sides. Heat exchange of the three media can be carried out in a limited space.

[0016] The movable clamping plate and the middle partition are arranged to be slidably connected with the frame, and the distance between the middle partition and the fixed clamping plate, and between the movable clamping plate and the middle partition can be adjusted, so as to facilitate the installation of plate bundles of different sizes (thicknesses). BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly explain the prior art and the present invention, the following briefly introduces the drawings required for describing the prior art and the present invention. Obviously, the drawings described below are only exemplary, and for ordinary technicians in this field, other drawings can be derived from the provided drawings without creative work.

[0018] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so that people familiar with this technology can understand and read them. They are not used to limit the conditions under which the present invention can be implemented. Any structural modification, change in proportion or adjustment of size should still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0019] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model from a first viewing angle;

[0020] Figure 2 This is a schematic structural diagram of a second viewing angle of an embodiment of the utility model.

[0021] Description of reference numerals:

[0022] 1. Heat exchanger frame; 101. Vertical part; 102. Horizontal part; 2. Fixed pressing plate; 3. First plate bundle group; 4. Middle partition plate; 5. Second plate bundle group; 6. Movable pressing plate; 7. First heat medium inlet; 8. First heat medium outlet; 9. First heat medium flow channel hole; 10. Second heat medium inlet; 11. Second heat medium outlet; 12. Second heat medium flow channel hole; 13. First cold medium inlet; 14. First cold medium outlet; 15. Second cold medium inlet; 16. Second cold medium outlet; 17. First cold medium flow channel hole; 18. Second cold medium flow channel hole; 19. Slide; 20. Connecting part; 21. Bolt assembly. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0024] In the description of the present invention, unless otherwise specified, "plurality" means two or more. The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of the present invention and the above-mentioned drawings are intended to distinguish the objects referred to. For schemes with a sequential flow, this terminology does not have to be understood as describing a specific order or sequence. For schemes with device structures, this terminology does not distinguish between importance, positional relationships, etc.

[0025] In addition, the terms "comprises", "has" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus that includes a series of steps or units is not necessarily limited to those steps or units that have been explicitly listed, but may also include other steps or units that are not explicitly listed but are inherent to these processes, methods, products or apparatuses, or steps or units that are added based on further optimization schemes conceived by the present invention.

[0026] like Figure 1 and Figure 2 As shown, an integrated detachable plate heat exchanger disclosed in the utility model comprises a heat exchanger frame 1, one end of the heat exchanger frame 1 is fixedly connected with a fixed pressing plate 2, one side of the fixed pressing plate 2 is sequentially provided with a first plate bundle group 3, a middle partition plate 4, a second plate bundle group 5 and a movable pressing plate 6, the middle partition plate 4 and the movable pressing plate 6 are both slidably connected with the heat exchanger frame 1, and the sliding direction is close to / away from the fixed pressing plate 2;

[0027] The fixed pressing plate 2 is provided with a first heat medium inlet 7 and a first heat medium outlet 8, and the first plate bundle group 3 is provided with a first heat medium flow channel hole 9, so that the heat medium entering the first heat medium inlet 7 flows through the first plate bundle group 3 and then flows out from the first heat medium outlet 8;

[0028] The movable pressing plate 6 is provided with a second heat medium inlet 10 and a second heat medium outlet 11, and the second plate bundle group 5 is provided with a second heat medium flow channel hole 12, so that the heat medium entering from the second heat medium inlet 10 flows through the second plate bundle group 5 and then flows out from the second heat medium outlet 11;

[0029] The fixed pressing plate 2 is also provided with a first cold medium inlet 13 and a first cold medium outlet 14, the middle partition plate 4 is provided with a second cold medium inlet 15 and a second cold medium outlet 16 corresponding to the first cold medium inlet 13 and the first cold medium outlet 14 on the fixed pressing plate 2, the first plate bundle group 3 is provided with a first cold medium flow channel hole 17 corresponding to the first cold medium inlet 13 and the first cold medium outlet 14, and the second plate bundle group 5 is provided with a second cold medium flow channel hole 18 corresponding to the first cold medium inlet 13 and the first cold medium outlet 14, so that the cold medium entering the first cold medium inlet 13 passes through the first cold medium flow channel hole 17, the second cold medium inlet 15, and the second cold medium flow channel hole 18 in sequence, flows through the second cold medium outlet 16, and then passes through the first cold medium flow channel and the first cold medium outlet 14 in sequence to be discharged.

[0030] The first heat medium inlet 7 is used to connect a heat medium. The medium circuit in the first plate bundle group 3 and the medium circuit in the second plate bundle group 5 do not interfere with each other. The heat medium enters the first plate bundle group 3 through the first heat medium inlet 7 on the fixed pressing plate 2, flows along the heat medium circuit in the first plate bundle group 3, and flows out from the first heat medium outlet 8;

[0031] Similarly, the second heat medium inlet 10 is used to connect another heat medium. The medium circuit in the second plate bundle group 5 does not interfere with the medium circuit in the first plate bundle group 3. The heat medium enters the second plate bundle group 5 through the second heat medium inlet 10 on the movable pressing plate 6, and flows out from the second heat medium outlet 11 along the heat medium circuit in the second plate bundle group 5.

[0032] The cold medium enters the first plate bundle group 3 from the first cold medium inlet 13 on the fixed pressing plate 2, passes through the cold medium circuit in the first plate bundle group 3, and passes through the first cold medium flow channel hole 17, enters the second plate bundle group 5 from the second cold medium inlet 15 on the middle partition 4, and then follows the cold medium circuit in the second plate bundle group 5, and then enters the first plate bundle group 3 from the second cold medium outlet 16 on the middle partition 4, and finally flows out from the first cold medium outlet 14 on the fixed pressing plate 2; the same cold medium flows through the cold medium inlets and outlets on the fixed pressing plate 2 and the middle partition 4, and exchanges heat with two different heat media in the first plate bundle group 3 and the second plate bundle group 5 respectively.

[0033] It should be noted that the arrows and directions in the figure only represent the flow direction of the medium, not the pipeline.

[0034] The heat exchanger frame 1 includes a vertical portion 101 and two horizontal portions 102 fixedly connected to both ends of the vertical portion 101. The heat exchanger frame 1 is a U-shaped structure. The fixed clamping plate 2 is fixedly connected to the ends of the two horizontal portions 102. The movable clamping plate 6 and the middle partition plate 4 are clamped between the two horizontal portions 102, and the middle partition plate 4 and the movable clamping plate 6 are both slidably connected to the horizontal portions 102.

[0035] The horizontal portion 102 and the vertical portion 101 of the heat exchanger frame 1 may be an integral structure, or the horizontal portion 102 and the vertical portion 101 may be fixed together by bolts or the like; the ends of the two horizontal portions 102 are fixed to the plate surface of the fixed pressing plate 2, and may be fixed by welding or a detachable fixed connection, and the detachable fixed connection may be a bolted connection;

[0036] The movable clamping plate 6 and the middle partition plate 4 are arranged between the two horizontal parts 102 and are slidably connected to the two horizontal parts 102 on both sides; so that the movable clamping plate 6 and the middle partition plate 4 can slide along the horizontal part 102, and the spacing between the middle partition plate 4 and the fixed clamping plate 2 and the movable clamping plate 6 and the middle partition plate 4 can be adjusted to adapt to the installation of plate bundles of different sizes;

[0037] Locking mechanisms are provided at the sliding locations between the movable pressing plate 6 and the horizontal portion 102 and between the intermediate partition plate 4 and the horizontal portion 102 for positioning the movable pressing plate 6 and the intermediate partition plate 4 on the horizontal portion 102 .

[0038] The upper and lower sides of the middle partition plate 4 and the movable clamping plate 6 are provided with sliding grooves 19 adapted to the horizontal portion 102, and the movable clamping plate 6 and the top of the middle partition plate 4 are located on both sides of the horizontal portion 102 and are provided with connecting portions 20 that are higher than the horizontal portion 102, and the two connecting portions 20 are connected and fixed by a bolt assembly 21.

[0039] The movable pressing plate 6 or the middle partition plate 4 is fixed by adjusting the distance between the two connecting parts 20 and the clamping force through the bolt assembly 21 .

[0040] The first plate bundle group 3 includes a plurality of first heat exchange plates, and the plurality of first heat exchange plates are tightly fitted, and the flow holes on the first heat exchange plates form medium flow channels, and are connected to the first cold medium flow holes 17 and the first hot medium flow holes 9.

[0041] The second plate bundle group 5 includes a plurality of second heat exchange plates, and the plurality of second heat exchange plates are tightly fitted, and the flow holes on the second heat exchange plates form medium flow channels, and are connected with the second cold medium flow holes 18 and the second hot medium flow holes 12 .

[0042] It should be noted that Figure 1 and Figure 2 In the figure, the first heat exchange plates of the first plate bundle group 3 and the second plate bundles of the second plate bundle group 5 are in a tightly fitted state, and the medium flow channels of the first plate bundle group 3 and the second plate bundle group 5 are composed of tightly connected plate flow channel holes and sealing gaskets. For the convenience of illustration, the first plate bundle group 3 and the second plate bundle group 5 are set in an exploded form in the figure;

[0043] The specific arrangement of the medium flow channel is the conventional arrangement of the heat exchange plate, which will not be described in detail here.

[0044] The fixed pressing plate 2 of the utility model has four medium flow holes, the middle partition 4 and the movable pressing plate 6 have two medium flow holes at corresponding positions, and the plate bundle groups that meet different working conditions are respectively installed on both sides of the middle partition 4. The fixed pressing plate 2 and the plate bundle group of the middle partition 4 perform heat exchange between the hot medium 1 and the cold medium, and the movable pressing plate 6 and the plate bundle group of the middle partition 4 perform heat exchange between the hot medium 2 and the cold medium.

[0045] The above specific embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.

[0046] The technical features of the above embodiments may be arbitrarily combined (as long as there is no contradiction in the combination of these technical features). To make the description concise, not all possible combinations of the technical features in the above embodiments are described; these embodiments that are not explicitly written should also be considered to be within the scope of this specification.

[0047] The above is a relatively specific and detailed description of the utility model through general description and specific embodiments. It should be pointed out that, without departing from the concept of the utility model, it is obvious that several variations and improvements can be made to these specific embodiments, which all belong to the protection scope of this application. Therefore, the protection scope of the patent of this application shall be based on the attached claims.

Claims

1. An integrated detachable plate heat exchanger, characterized in that: It comprises a heat exchanger frame, one end of which is fixedly connected to a fixed pressing plate, one side of which is sequentially provided with a first plate bundle group, a middle partition plate, a second plate bundle group and a movable pressing plate, the middle partition plate and the movable pressing plate are both slidably connected to the heat exchanger frame, and the sliding direction is close to / away from the fixed pressing plate; The fixed pressing plate is provided with a first heat medium inlet and a first heat medium outlet, and the first plate bundle group is provided with a first heat medium flow channel hole, so that the heat medium entering the first heat medium inlet flows through the first plate bundle group and then flows out from the first heat medium outlet; The movable pressing plate is provided with a second heat medium inlet and a second heat medium outlet, and the second plate bundle group is provided with a second heat medium flow channel hole, so that the heat medium entering from the second heat medium inlet flows through the second plate bundle group and then flows out from the second heat medium outlet; The fixed pressing plate is also provided with a first cold medium inlet and a first cold medium outlet, the middle partition is provided with a second cold medium inlet and a second cold medium outlet corresponding to the first cold medium inlet and the first cold medium outlet on the fixed pressing plate, the first plate bundle group is provided with a first cold medium flow channel hole corresponding to the first cold medium inlet and the first cold medium outlet, and the second plate bundle group is provided with a second cold medium flow channel hole corresponding to the first cold medium inlet and the first cold medium outlet, so that the cold medium entering the first cold medium inlet passes through the first cold medium flow channel hole, the second cold medium inlet, and the second cold medium flow channel hole in sequence, flows through the second cold medium outlet, and then passes through the first cold medium flow channel and the first cold medium outlet in sequence to be discharged.

2. The integrated detachable plate heat exchanger according to claim 1, characterized in that: The heat exchanger frame includes a vertical portion and two horizontal portions fixedly connected to both ends of the vertical portion. The heat exchanger frame is a U-shaped structure. The fixed clamping plate is fixedly connected to the ends of the two horizontal portions. The movable clamping plate and the middle partition are clamped between the two horizontal portions, and the middle partition and the movable clamping plate are both slidably connected to the horizontal portions.

3. The integrated detachable plate heat exchanger according to claim 2, characterized in that: The upper and lower sides of the middle partition and the movable clamping plate are provided with sliding grooves adapted to the horizontal part. The movable clamping plate and the top of the middle partition are provided with connecting parts higher than the horizontal part on both sides of the horizontal part. The two connecting parts are connected and fixed by a bolt assembly.

4. The integrated detachable plate heat exchanger according to claim 1, characterized in that: The first plate bundle group includes a plurality of first heat exchange plates, and the plurality of first heat exchange plates are closely fitted, and the flow holes on the first heat exchange plates form medium flow channels and are connected with the first cold medium flow holes and the first hot medium flow holes.

5. The integrated detachable plate heat exchanger according to claim 1, characterized in that: The second plate bundle group includes a plurality of second heat exchange plates, and the plurality of second heat exchange plates are tightly fitted, and the flow channel holes on the second heat exchange plates form a medium flow channel and are connected with the second cold medium flow channel holes and the second hot medium flow channel holes.

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