Combined high-efficiency waste heat recovery heat exchanger
By connecting the modularly designed heat exchanger unit with the main and auxiliary pressure plates, the problem of large heat exchangers in the existing technology being unable to adapt to complex environments is solved, achieving a simple structure, convenient assembly, and improved connection strength.
Patent Information
- Application Number
- CN202521566746.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-24
- Publication Date
- 2026-06-16
- Estimated Expiration
- 2035-07-24
Smart Images

Figure CN224365412U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of heat exchangers, specifically to a combined high-efficiency waste heat recovery heat exchanger. Background Technology
[0002] Currently, heat exchangers are used in many industries and fields. For example, Chinese invention patent application CN202510607468.5 discloses a horizontal corrugated tube heat exchanger, which relates to the field of corrugated tube heat exchanger technology. It includes a shell, with a front tube box and a rear tube box at both ends of the shell. The rear tube box is detachably connected to the shell, and a tube sheet is provided between the front tube box and the shell. The front tube box, the shell, and the tube sheet are detachably connected. A tube-side baffle is fixedly provided on the inner wall of the front tube box. Several U-shaped heat exchange tubes are provided at the end of the tube sheet. The two ends of the U-shaped heat exchange tubes penetrate the tube sheet and are detachably sealed to the tube sheet. The two ends of the U-shaped heat exchange tubes are located on the upper and lower sides of the tube-side baffle, respectively. A support assembly for supporting the U-shaped heat exchange tubes is fixedly provided at the end of the tube sheet. A liquid inlet pipe is fixedly provided on the upper outer wall of the front tube box and the lower outer wall of the shell. A liquid outlet pipe is fixedly provided on the lower outer wall of the front tube box and the upper outer wall of the shell.
[0003] However, the heat exchanger disclosed in the patent application is huge and cannot be used in many special environments or fields, such as installing a heat exchanger inside a vacuum pump. Summary of the Invention
[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a combined high-efficiency waste heat recovery heat exchanger.
[0005] To achieve the above objectives, this utility model adopts the following technical solution: a combined high-efficiency waste heat recovery heat exchanger, comprising:
[0006] A predetermined number of first heat exchanger units, a predetermined number of second heat exchanger units, and a predetermined number of third heat exchanger units are provided, wherein the first heat exchanger units, the second heat exchanger units, and the third heat exchanger units are adjacent to each other; the first heat exchanger units, the second heat exchanger units, and the third heat exchanger units all have the same structure.
[0007] A preset number of main pressure plates are provided, and the main pressure plates are detachably connected to the first heat exchanger unit and the second heat exchanger unit, so that the first heat exchanger unit and the second heat exchanger unit are connected together.
[0008] A predetermined number of auxiliary pressure plates are provided, and the auxiliary pressure plates are detachably connected to the first heat exchanger unit and the third heat exchanger unit, thereby connecting the first heat exchanger unit and the third heat exchanger unit together.
[0009] Preferably, the first heat exchanger unit includes a heat exchanger core and a corner plate assembly. The heat exchanger core is generally a cuboid or a cube, and the corner plate assembly is distributed on each face of the heat exchanger core. The corner plate assembly includes a first corner plate, a second corner plate, a third corner plate, and a fourth corner plate. The first corner plate is connected to the heat exchanger core on one side and to the second and fourth corner plates on the other side. The second corner plate is connected to the heat exchanger core on one side and to the third corner plate on the other side. The third corner plate is connected to the heat exchanger core on one side and to the fourth corner plate on the other side, and the fourth corner plate is connected to the heat exchanger core.
[0010] Preferably, the first corner plate, the second corner plate, the third corner plate, and the fourth corner plate have the same structure. The third corner plate includes a support plate and a corner plate assembly. The support plate and the corner plate assembly are fixedly connected together, and the corner plate assembly is perpendicular to the support plate.
[0011] Preferably, it further includes a predetermined number of sealing plates, wherein the corner plate assembly of the first heat exchanger unit and the corner plate assembly of the second heat exchanger unit or the corner plate assembly of the third heat exchanger unit are mated together, and the sealing plate is placed between the corner plate assembly of the first heat exchanger unit and the corner plate assembly of the second heat exchanger unit or the corner plate assembly of the third heat exchanger unit, and the corner plate assembly of the first heat exchanger unit and the corner plate assembly of the second heat exchanger unit or the corner plate assembly of the third heat exchanger unit are connected together by bolts or screws.
[0012] Preferably, it further includes a predetermined number of pressure plate rings, which are stacked on top of the corner plate assembly of the first heat exchanger unit and the corner plate assembly of the third heat exchanger unit. The main pressure plate and the auxiliary pressure plate are stacked on top of the pressure plate rings, and the main pressure plate, the pressure plate rings, and the corner plate assemblies of the first and third heat exchanger units are fixed together by bolts or screws. The auxiliary pressure plate, the pressure plate rings, and the corner plate assemblies of the first and third heat exchanger units are also fixed together by bolts or screws.
[0013] Preferably, the pressure plate ring includes a first component plate, a second component plate, a third component plate, and a fourth component plate. The first component plate is fixedly connected to the second component plate and the third component plate, the second component plate is fixedly connected to the fourth component plate, and the fourth component plate is fixedly connected to the third component plate. The width of the fourth component plate is greater than the width of the first component plate, and the width of the first component plate is the same as the width of the second component plate and the third component plate. The sub-pressure plate is stacked on top of the fourth component plate.
[0014] The beneficial effects of this application are as follows: The combined high-efficiency waste heat recovery heat exchanger provided by this application has the advantages of simple structure and convenient assembly and disassembly. The heat exchanger includes a preset number of heat exchanger units. Adjacent heat exchanger units are firmly and detachably connected together by a main pressure plate or a secondary pressure plate. Therefore, the heat exchanger can be formed into many shapes to adapt to special environments or equipment, especially suitable for occasions where space, transportation, and installation are limited, solving the problem that traditional heat exchangers cannot be hoisted and transported. Secondly, a pressure plate ring is also provided between adjacent heat exchanger units. The pressure plate ring is stacked on top of the heat exchanger unit, and the main pressure plate or secondary pressure plate is stacked on top of the pressure plate ring. The main pressure plate or secondary pressure plate is firmly connected to the pressure plate ring and the heat exchanger unit by bolts or screws, thereby strengthening the connection strength of adjacent heat exchanger units. Attached Figure Description
[0015] Figure 1 A schematic diagram of a combined high-efficiency waste heat recovery heat exchanger provided by this utility model.
[0016] Figure 2 for Figure 1 The image shows a partially enlarged view of a combined high-efficiency waste heat recovery heat exchanger.
[0017] Figure 3 for Figure 1 Another enlarged view of a combined high-efficiency waste heat recovery heat exchanger is shown.
[0018] Figure 4 This is a schematic diagram of the structure of a heat exchanger unit of a combined high-efficiency waste heat recovery heat exchanger provided by this utility model. Detailed Implementation
[0019] The present application will now be described in further detail with reference to the accompanying drawings and specific embodiments. Similar elements in different embodiments are referred to by related similar element reference numerals. In the following embodiments, many details are described to facilitate a better understanding of the present application. However, those skilled in the art will readily recognize that some features may be omitted in different situations, or may be replaced by other elements, materials, or methods. In some cases, certain operations related to the present application are not shown or described in the specification. This is to avoid obscuring the core parts of the present application with excessive description. For those skilled in the art, detailed description of these related operations is not necessary; they can fully understand the related operations based on the description in the specification and general technical knowledge in the art.
[0020] Furthermore, the features, operations, or characteristics described in the specification can be combined in any suitable manner to form various embodiments, and the operational steps involved in each embodiment can also be rearranged or adjusted in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for clearly describing a particular embodiment and do not imply that they represent the necessary components and / or order.
[0021] The serial numbers assigned to components in this document, such as "first" and "second," are used only to distinguish the described objects and have no sequential or technical meaning. The terms "connection" and "linkage" used in this application, unless otherwise specified, include both direct and indirect connections (linkages).
[0022] Please refer to Figure 1-4 This application provides a combined high-efficiency waste heat recovery heat exchanger (hereinafter referred to as "the heat exchanger"), which includes:
[0023] A predetermined number of first heat exchanger units 4, a predetermined number of second heat exchanger units 5, and a predetermined number of third heat exchanger units 6 are provided. The first heat exchanger unit 4, the second heat exchanger unit 5, and the third heat exchanger unit 6 are adjacent to each other. The first heat exchanger unit 4, the second heat exchanger unit 5, and the third heat exchanger unit 6 have the same structure.
[0024] A preset number of main pressure plates 1 are provided, and the main pressure plates 1 are detachably connected to the first heat exchanger unit 4 and the second heat exchanger unit 5, so that the first heat exchanger unit 4 and the second heat exchanger unit 5 are connected together.
[0025] A predetermined number of auxiliary pressure plates 2 are provided, which are detachably connected to the first heat exchanger unit 4 and the third heat exchanger unit 6, thereby connecting the first heat exchanger unit 4 and the third heat exchanger unit 6 together. Thus, the heat exchanger can be configured with a predetermined number of first heat exchanger units 4, second heat exchanger units 5, and third heat exchanger units 6. The first heat exchanger units 4 and second heat exchanger units 5 or third heat exchanger units 6 can be connected together, allowing for the assembly of heat exchangers of various shapes through modular connections, thus adapting to complex environments. For example, existing large heat exchangers cannot be installed in the narrow, irregularly shaped channels of a vacuum pump, while the heat exchanger in this application can be composed of multiple modular heat exchanger units connected together, allowing for installation in the channels of a vacuum pump.
[0026] Please refer to some embodiments of this application. Figure 1-4The first heat exchanger unit 4 includes a heat exchanger core 40 and a corner plate assembly 41. The heat exchanger core 40 is generally a cuboid or a cube. The corner plate assembly 41 is distributed on each face of the heat exchanger core 40. The corner plate assembly 41 includes a first corner plate 411, a second corner plate 412, a third corner plate 413, and a fourth corner plate 414. The first corner plate 411 is connected to the heat exchanger core 40 on one side and to the second corner plate 412 and the fourth corner plate 414 on the other side. The second corner plate 412 is connected to the heat exchanger core 40 on one side and to the third corner plate 413 on the other side. The third corner plate 413 is connected to the heat exchanger core 40 on one side and to the fourth corner plate 414 on the other side. The fourth corner plate 414 is connected to the heat exchanger core 40. In this application, the first corner plate 411, the second corner plate 412, the third corner plate 413, the fourth corner plate 414 and the heat exchanger core 40 are fixedly connected together by welding. The first corner plate 411 can be fixed together with the second corner plate 412 and the fourth corner plate 414 by bolts, screws, rivets or welding. Similarly, the second corner plate 412 can be fixed together with the third corner plate 413 and the third corner plate 413 can be fixed together with the fourth corner plate 414 by bolts, screws, rivets or welding.
[0027] Please refer to some embodiments of this application. Figure 1-4 The first corner plate 411, the second corner plate 412, the third corner plate 413, and the fourth corner plate 414 all have the same structure. The third corner plate 413 includes a support plate 4132 and a corner plate assembly 4131. The support plate 4132 and the corner plate assembly 4131 are fixedly connected together, and the corner plate assembly 4131 is perpendicular to the support plate 4132. In this application, the support plate 4132 and the corner plate assembly 4131 can be fixedly connected together by integral molding or welding.
[0028] Please refer to some embodiments of this application. Figure 1-4The heat exchanger further includes a predetermined number of sealing plates 7. The corner plate assemblies of the first heat exchanger unit 4 and the second heat exchanger unit 5 or the third heat exchanger unit 6 are mated together, and the sealing plates 7 are positioned between these corner plate assemblies. The corner plate assemblies of the first heat exchanger unit 4 and the second heat exchanger unit 5 or the third heat exchanger unit 6 are connected together by bolts or screws. In this application, the purpose of providing the sealing plates 7 is to seal the gap formed after the corner plate assemblies of the first heat exchanger unit 4 and the second heat exchanger unit 5 or the third heat exchanger unit 6 are mated together.
[0029] Please refer to some embodiments of this application. Figure 1-4 The heat exchanger also includes a predetermined number of pressure plate rings 3, which are stacked on top of the corner plate assembly of the first heat exchanger unit 4 and the corner plate assembly of the third heat exchanger unit 6. The main pressure plate 1 and the auxiliary pressure plate 2 are stacked on top of the pressure plate rings 3. The main pressure plate 1, the pressure plate rings 3, the corner plate assembly of the first heat exchanger unit 4, and the corner plate assembly of the third heat exchanger unit 6 are fixed together by bolts or screws. The auxiliary pressure plate 2, the pressure plate rings 3, the corner plate assembly of the first heat exchanger unit 4, and the corner plate assembly of the third heat exchanger unit 6 are also fixed together by bolts or screws. For example, the first corner plate 611 of the third heat exchanger unit 6 and the first corner plate 411 of the first heat exchanger unit 4 are joined together. Then, the pressure plate ring 3 is stacked on top of the first corner plate 611 of the third heat exchanger unit 6 and the first corner plate 411 of the first heat exchanger unit 4. Then, the auxiliary pressure plate 2 is stacked on top of the pressure plate ring 3. The first corner plate 611, the pressure plate ring 3, and the auxiliary pressure plate 2 of the third heat exchanger unit 6 are connected by bolts or screws. The first corner plate 411, the pressure plate ring 3, and the auxiliary pressure plate 2 of the first heat exchanger unit 4 are connected by bolts or screws, thereby connecting the first heat exchanger unit 4 and the third heat exchanger unit 6.
[0030] Please refer to some embodiments of this application. Figure 1-4The pressure plate ring 3 includes a first component plate 31, a second component plate 32, a third component plate 33, and a fourth component plate 34. The first component plate 31 is fixedly connected to the second component plate 32 and the third component plate 33. The second component plate 32 is fixedly connected to the fourth component plate 34. The fourth component plate 34 is fixedly connected to the third component plate 33. The width of the fourth component plate 34 is greater than the width of the first component plate 31. The width of the first component plate 31 is the same as the width of the second component plate 32 and the third component plate 33. The auxiliary pressure plate 2 is stacked on top of the fourth component plate 34.
[0031] The combined high-efficiency waste heat recovery heat exchanger provided in this application has the advantages of simple structure and convenient assembly and disassembly. The heat exchanger includes a preset number of heat exchanger units. Adjacent heat exchanger units are firmly and detachably connected together by a main pressure plate or a secondary pressure plate. Therefore, the heat exchanger can be formed into many shapes to adapt to special environments or equipment. Secondly, a pressure plate ring is also provided between adjacent heat exchanger units. The pressure plate ring is stacked on top of the heat exchanger unit, and the main pressure plate or secondary pressure plate is stacked on top of the pressure plate ring. The main pressure plate or secondary pressure plate is firmly connected to the pressure plate ring and the heat exchanger unit by bolts or screws, thereby strengthening the connection strength of adjacent heat exchanger units.
[0032] The above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be included within the scope of protection of this utility model.
Claims
1. A combined high-efficiency waste heat recovery heat exchanger, characterized in that, include: A predetermined number of first heat exchanger units, a predetermined number of second heat exchanger units, and a predetermined number of third heat exchanger units are provided, wherein the first heat exchanger units, the second heat exchanger units, and the third heat exchanger units are adjacent to each other; the first heat exchanger units, the second heat exchanger units, and the third heat exchanger units all have the same structure. A preset number of main pressure plates are provided, and the main pressure plates are detachably connected to the first heat exchanger unit and the second heat exchanger unit, so that the first heat exchanger unit and the second heat exchanger unit are connected together. A predetermined number of auxiliary pressure plates are provided, and the auxiliary pressure plates are detachably connected to the first heat exchanger unit and the third heat exchanger unit, thereby connecting the first heat exchanger unit and the third heat exchanger unit together.
2. The heat exchanger according to claim 1, characterized in that, The first heat exchanger unit includes a heat exchanger core and corner plate assemblies. The heat exchanger core is generally cuboid or cube-shaped, and the corner plate assemblies are distributed on each face of the heat exchanger core. The corner plate assembly includes a first corner plate, a second corner plate, a third corner plate, and a fourth corner plate. The first corner plate is connected to the heat exchanger core on one side and to the second and fourth corner plates on the other side. The second corner plate is connected to the heat exchanger core on one side and to the third corner plate on the other side. The third corner plate is connected to the heat exchanger core on one side and to the fourth corner plate on the other side, and the fourth corner plate is connected to the heat exchanger core.
3. The heat exchanger according to claim 2, characterized in that, The first corner plate, the second corner plate, the third corner plate, and the fourth corner plate all have the same structure. The third corner plate includes a support plate and a corner plate assembly. The support plate and the corner plate assembly are fixedly connected together, and the corner plate assembly is perpendicular to the support plate.
4. The heat exchanger according to claim 2, characterized in that, It also includes a preset number of sealing plates, with the corner plate assembly of the first heat exchanger unit and the corner plate assembly of the second heat exchanger unit or the corner plate assembly of the third heat exchanger unit docked together, and the sealing plate is placed between the corner plate assembly of the first heat exchanger unit and the corner plate assembly of the second heat exchanger unit or the corner plate assembly of the third heat exchanger unit, and the corner plate assembly of the first heat exchanger unit and the corner plate assembly of the second heat exchanger unit or the corner plate assembly of the third heat exchanger unit are connected together by bolts or screws.
5. The heat exchanger according to claim 4, characterized in that, It also includes a preset number of pressure plate rings, which are stacked on top of the corner plate assemblies of the first heat exchanger unit and the third heat exchanger unit. The main pressure plate and the auxiliary pressure plate are stacked on top of the pressure plate rings. The main pressure plate, the pressure plate rings, and the corner plate assemblies of the first heat exchanger unit and the third heat exchanger unit are fixed together by bolts or screws. The auxiliary pressure plate, the pressure plate rings, and the corner plate assemblies of the first heat exchanger unit and the third heat exchanger unit are also fixed together by bolts or screws.
6. The heat exchanger according to claim 5, characterized in that, The pressure plate ring includes a first component plate, a second component plate, a third component plate, and a fourth component plate. The first component plate is fixedly connected to the second component plate and the third component plate, the second component plate is fixedly connected to the fourth component plate, and the fourth component plate is fixedly connected to the third component plate. The width of the fourth component plate is greater than the width of the first component plate, and the width of the first component plate is the same as the width of the second component plate and the third component plate; the sub-pressure plate is stacked on top of the fourth component plate.
Citation Information
Patent Citations
A horizontal corrugated tube heat exchanger
CN120120895B