Novel heat exchanger tube bundle
By employing a dual-fixation structure and a built-in liquid inlet filter, the clogging and fixation problems of traditional heat exchanger tube bundles are solved, improving stability and heat transfer efficiency while reducing maintenance costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FUSHUN HUAHENG CHEM MASCH CO LTD
- Filing Date
- 2025-05-21
- Publication Date
- 2026-05-15
AI Technical Summary
Traditional heat exchanger tube bundles lack built-in filtration, which makes the pipes easy to clog with fluid impurities. The fixed structure is simple and easily damaged, resulting in high maintenance costs. Furthermore, the separation of filtration and heat exchange functions requires additional equipment.
It adopts a dual fixing structure and a built-in liquid inlet filter structure. It is fixed by external elastic clamping and internal sealant, combined with a detachable multi-layer filter screen and a spiral guide plate to optimize fluid distribution.
It improves the stability and anti-clogging ability of the tube bundle, reduces maintenance costs, and enhances heat transfer efficiency and vibration resistance.
Smart Images
Figure CN224246816U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of heat exchange equipment technology, and in particular to a novel heat exchanger tube bundle. Background Technology
[0002] Traditional heat exchanger tube bundles typically consist of multiple parallel heat exchange tubes, but they suffer from the following problems in practical applications:
[0003] 1. No built-in filtration function: Impurities in the fluid can easily clog pipes or adhere to the pipe walls, reducing heat transfer efficiency and increasing cleaning frequency.
[0004] 2. Simple fixed structure: Most heat exchangers are only fixed by the shell. During long-term operation, they are prone to deformation or damage due to vibration, which may lead to leakage risk.
[0005] 3. High maintenance costs: Separating the filtration and heat exchange functions requires additional equipment, and the tube bundle is complicated to disassemble and assemble.
[0006] In existing technologies, some solutions attempt to add a filter screen at the tube bundle inlet, but these suffer from problems such as large pressure drop, easy clogging, and inability to simultaneously ensure overall tube bundle fixation. Therefore, there is an urgent need for a novel tube bundle structure that integrates filtration and enhanced fixation. Utility Model Content
[0007] To address the shortcomings mentioned above, this utility model provides a novel heat exchanger tube bundle that is simple in structure and easy to use. By optimizing the tube bundle fixing method and adding a liquid inlet filter structure, its stability and anti-clogging ability are improved.
[0008] To address the aforementioned problems, this utility model provides a novel heat exchanger tube bundle, comprising a base and a housing. A fixing frame is mounted on the base, including a first fixing frame and a second fixing frame. The housing is positioned between the first and second fixing frames and contains a plurality of heat exchange tubes. A clamping structure is mounted on the fixing frame, including a first clamping structure and a second clamping structure. The first clamping structure is mounted on the first fixing frame and connected to the left end of the housing, while the second clamping structure is mounted on the second fixing frame and connected to the right end of the housing. A liquid inlet filtration structure is mounted at the top of the housing, comprising a filter box. A mounting frame is mounted on the filter box, which is then mounted on the fixing frame via the mounting frame. Multiple layers of filter screens are disposed within the filter box, and multiple layers of filter heads are mounted on the filter screens. The bottom end of the filter box communicates with the top end of the heat exchange tubes.
[0009] Preferably, the first clamping structure includes a first fixed base and a first elastic snap-fit assembly. The first fixed base is disposed on the first fixed frame and the first elastic snap-fit assembly is disposed on the first fixed base. The first elastic snap-fit assembly includes a first upper elastic snap-fit assembly and a first lower elastic snap-fit assembly. The right ends of the first upper elastic snap-fit assembly and the first lower elastic snap-fit assembly are respectively connected to the left end of the housing.
[0010] Preferably, the first upper elastic snap-fit assembly includes a first upper fixing base, a first upper metal clip, and a first upper rubber pad. The first upper fixing base is disposed on the first fixing frame and is located at the upper end of the first fixing base. The right end of the first upper fixing base is connected to the first upper rubber pad through the first upper metal clip, and the right end of the first upper rubber pad is connected to the left end of the housing.
[0011] Preferably, the first lower elastic snap-fit assembly includes a first lower fixing base, a first lower metal clip, and a first lower rubber pad. The first lower fixing base is disposed on the first fixing frame and is located at the lower end of the first fixing base. The right end of the first lower fixing base is connected to the first lower rubber pad through the first lower metal clip, and the right end of the first lower rubber pad is connected to the left end of the housing.
[0012] Preferably, the second clamping structure includes a second fixed base and a second elastic snap-fit assembly. The second fixed base is disposed on the second fixed frame and the second elastic snap-fit assembly is disposed on the second fixed base. The second elastic snap-fit assembly includes a second upper elastic snap-fit assembly and a second lower elastic snap-fit assembly. The left ends of the second upper elastic snap-fit assembly and the second lower elastic snap-fit assembly are respectively connected to the right end of the housing.
[0013] Preferably, the second upper elastic snap-fit assembly includes a second upper fixing base, a second upper metal clip, and a second upper rubber pad. The second upper fixing base is disposed on the second fixing frame and is located at the upper end of the second fixing base. The left end of the second upper fixing base is connected to the second upper rubber pad through the first upper metal clip, and the left end of the second upper rubber pad is connected to the right end of the housing.
[0014] Preferably, the second lower elastic snap-fit assembly includes a second lower fixing base, a second lower metal clip, and a second lower rubber pad. The second lower fixing base is disposed on the second fixing frame and is located at the lower end of the second fixing base. The left end of the second lower fixing base is connected to the second lower rubber pad through the second lower metal clip, and the left end of the second lower rubber pad is connected to the right end of the housing.
[0015] Preferably, the multi-layer filter screen includes a first filter screen, a second filter screen, a third filter screen, and a fourth filter screen arranged in parallel, and the multi-layer filter head includes a plurality of first filter heads, a plurality of second filter heads, a plurality of third filter heads, and a plurality of fourth filter heads. The plurality of first filter heads are evenly distributed on the first filter screen, the plurality of second filter heads are evenly distributed on the second filter screen, the plurality of third filter heads are evenly distributed on the third filter screen, and the plurality of fourth filter heads are evenly distributed on the fourth filter screen.
[0016] Compared with the prior art, the present invention has the following advantages:
[0017] 1. This utility model has a simple structure and is easy to use. By optimizing the tube bundle fixing method and adding a liquid inlet filter structure, its stability and anti-clogging ability are improved.
[0018] 2. This utility model significantly improves the vibration resistance and sealing life of the tube bundle by double fixation through the elastic clamping on the outside of the shell and the sealant on the heat exchange tube inside the shell. Furthermore, the removable filter reduces maintenance costs, and the spiral guide plate optimizes fluid distribution and improves heat exchange efficiency. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of an embodiment of the present invention. Detailed Implementation
[0020] To make the objectives, technical solutions and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and examples, but the examples given are not intended to limit the present utility model.
[0021] like Figure 1 As shown, an embodiment of this utility model includes a base and a housing. A fixing frame is provided on the base, including a first fixing frame and a second fixing frame. The housing is located between the first fixing frame and the second fixing frame, and a plurality of heat exchange tubes and a tube sheet are provided inside the housing. A liquid inlet is provided on the upper right side of the housing, and a liquid outlet is provided on the lower left side of the housing. A spiral guide plate is provided on the inner wall of the liquid inlet, which guides the fluid to be evenly distributed to the outside of each heat exchange tube. A baffle is provided on the heat exchange tube, and a conical sealing groove is provided at the connection between the heat exchange tube and the tube sheet. The conical sealing groove is filled with high-temperature resistant sealant. The baffle includes a plurality of first baffles and a plurality of second baffles. The left end of the first baffle is located on the left side wall of the housing, and the right end of the second baffle is located on the right side wall of the housing. The first baffles and the second baffles are arranged in an alternating structure.
[0022] In this embodiment, a clamping structure is provided on the fixing frame. The clamping structure includes a first clamping structure and a second clamping structure. The first clamping structure is disposed on the first fixing frame and is connected to the left end of the housing. The second clamping structure is disposed on the second fixing frame and is connected to the right end of the housing.
[0023] In this embodiment, the first clamping structure includes a first fixed base and a first elastic snap-fit assembly. The first fixed base is disposed on the first fixed frame and the first elastic snap-fit assembly is disposed on the first fixed base. The first elastic snap-fit assembly includes a first upper elastic snap-fit assembly and a first lower elastic snap-fit assembly. The first upper elastic snap-fit assembly is located at the upper end of the first fixed frame, and the first lower elastic snap-fit assembly is located at the lower end of the first fixed frame. The right ends of the first upper elastic snap-fit assembly and the first lower elastic snap-fit assembly are respectively connected to the left end of the housing.
[0024] In this embodiment, the first upper elastic snap-fit assembly includes a first upper fixing base, a first upper metal clip, and a first upper rubber pad. The first upper fixing base is disposed on the first fixing frame and is located at the upper end of the first fixing seat. The right end of the first upper fixing base is provided with the first upper metal clip, and the first upper annular support plate is provided on the first upper metal clip. The first upper rubber pads are evenly distributed on the inner wall of the first upper annular support plate, and the right end of the first upper rubber pads clamps the left outer wall of the housing.
[0025] In this embodiment, the first lower elastic snap-fit assembly includes a first lower fixing base, a first lower metal clip, and a first lower rubber pad. The first lower fixing base is disposed on the first fixing frame and is located at the lower end of the first fixing base. The first lower metal clip is disposed at the right end of the first lower fixing base. A first lower annular support plate is disposed on the first lower metal clip. The first lower rubber pads are evenly distributed on the inner wall of the first lower annular support plate. The right end of the first lower rubber pad clamps the left outer wall of the housing.
[0026] In this embodiment, the second clamping structure includes a second fixed base and a second elastic snap-fit assembly. The second fixed base is disposed on the second fixed frame and the second elastic snap-fit assembly is disposed on the second fixed base. The second elastic snap-fit assembly includes a second upper elastic snap-fit assembly and a second lower elastic snap-fit assembly. The second upper elastic snap-fit assembly is located at the upper end of the second fixed frame, and the second lower elastic snap-fit assembly is located at the lower end of the second fixed frame. The left ends of the second upper elastic snap-fit assembly and the second lower elastic snap-fit assembly are respectively connected to the right end of the housing.
[0027] In this embodiment, the second upper elastic snap-fit assembly includes a second upper fixed base, a second upper metal clip, and a second upper rubber pad. The second upper fixed base is disposed on the second fixed frame and is located at the upper end of the second fixed base. The left end of the second upper fixed base is provided with the second upper metal clip, and the second upper annular support plate is provided on the second upper metal clip. The second upper rubber pads are evenly distributed on the inner wall of the second upper annular support plate, and the left end of the second upper rubber pad clamps the right outer wall of the housing.
[0028] In this embodiment, the second lower elastic snap-fit assembly includes a second lower fixing base, a second lower metal clip, and a second lower rubber pad. The second lower fixing base is disposed on the second fixing frame and is located at the lower end of the second fixing base. The left end of the second lower fixing base is provided with the second lower metal clip, and the second lower annular support plate is provided on the second lower metal clip. The second lower rubber pads are evenly distributed on the inner wall of the second lower annular support plate, and the left end of the second lower rubber pad clamps the right outer wall of the housing.
[0029] In this embodiment, a liquid inlet filtration structure is provided at the top of the housing. The liquid inlet filtration structure includes a filter box, and a mounting frame is provided on the filter box. The mounting frame includes a first mounting frame and a second mounting frame. The left end of the filter box is connected to the top of the first fixed frame through the first mounting frame, and the right end of the filter box is connected to the top of the second fixed frame through the second mounting frame.
[0030] The filter box is equipped with a filter screen mounting frame, which holds multiple layers of filter screens. The mounting frame includes a first filter screen mounting frame and a second filter screen mounting frame. The left end of each multi-layer filter screen is mounted on the first filter screen mounting frame, and the right end is mounted on the second filter screen mounting frame. Multiple filter heads are mounted on the multi-layer filter screens. Each multi-layer filter screen consists of a first, second, third, and fourth filter screen arranged in parallel. Each multi-layer filter head includes several first, second, third, and fourth filter heads. The left and right ends of each first filter screen are mounted on the first and second filter screen mounting frames, respectively, with several first filter heads evenly distributed on the first filter screen. Similarly, the left and right ends of each second filter screen are mounted on the first and second filter screen mounting frames, respectively, with several second filter heads evenly distributed on the second filter screen. The left and right ends of each third filter screen are mounted on the first and second filter screen mounting frames, respectively, with several third filter heads evenly distributed on the third filter screen. Finally, the left and right ends of each fourth filter screen are mounted on the first and second filter screen mounting frames, respectively, with several fourth filter heads evenly distributed on the fourth filter screen.
[0031] In this embodiment, a liquid inlet pipe is provided at the top of the filter box. The liquid inlet pipe includes a first liquid inlet pipe and a second liquid inlet pipe. The first liquid inlet pipe is located on the left side of the top of the filter box, and the second liquid inlet pipe is located on the right side of the top of the filter box. The liquid inlet ends of the first liquid inlet pipe and the second liquid inlet pipe are both located above the first filter screen. A liquid outlet pipe is provided at the bottom of the filter box, and a valve for controlling the opening and closing of the liquid outlet pipe is provided on the liquid outlet pipe. At the same time, the bottom end of the liquid outlet pipe is connected to the top end of the heat exchange tube.
[0032] In this embodiment, the pore diameter of the first filter head of the first filter screen is larger than the pore diameter of the second filter head of the second filter screen, the pore diameter of the second filter head of the second filter screen is larger than the pore diameter of the third filter head of the third filter screen, and the pore diameter of the third filter head of the third filter screen is larger than the pore diameter of the fourth filter head of the fourth filter screen.
[0033] In this embodiment, the first filter, the second filter, the third filter, and the fourth filter are all detachable filters.
[0034] Those skilled in the art can connect all electrical components and their compatible power supplies in this case via wires, and should select appropriate controllers according to actual conditions to meet control requirements. The specific connection and control sequence, and the sequential operation order between each electrical component to complete the electrical connection, are well-known technologies in the field, and will not be described further regarding electrical control.
[0035] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.
[0036] In the description of this specification, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing the technical solution of this patent and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this patent application.
[0037] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this patent application, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0038] In this specification, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this specification according to the specific circumstances.
[0039] In this specification, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0040] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.
[0041] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.
Claims
1. A novel heat exchanger tube bundle, comprising a base and a shell, wherein a fixing frame is disposed on the base, the fixing frame including a first fixing frame and a second fixing frame, the shell being disposed between the first fixing frame and the second fixing frame and wherein a plurality of heat exchange tubes are disposed within the shell, characterized in that, The fixed frame is provided with a clamping structure, which includes a first clamping structure and a second clamping structure. The first clamping structure is set on the first fixed frame and is connected to the left end of the shell. The second clamping structure is set on the second fixed frame and is connected to the right end of the shell. The top of the shell is provided with a liquid inlet filtration structure, which includes a filter box. The filter box is provided with a mounting bracket and is mounted on the fixed frame through the mounting bracket. The filter box is provided with multiple layers of filter screens, and multiple layers of filter heads are provided on the multiple layers of filter screens. The bottom end of the filter box is connected to the top end of the heat exchange tube.
2. The novel heat exchanger tube bundle as described in claim 1, characterized in that, The first clamping structure includes a first fixed base and a first elastic snap-fit assembly. The first fixed base is disposed on the first fixed frame and the first elastic snap-fit assembly is disposed on the first fixed base. The first elastic snap-fit assembly includes a first upper elastic snap-fit assembly and a first lower elastic snap-fit assembly. The right ends of the first upper elastic snap-fit assembly and the first lower elastic snap-fit assembly are respectively connected to the left end of the housing.
3. A novel heat exchanger tube bundle as described in claim 2, characterized in that, The first upper elastic snap-fit assembly includes a first upper fixing base, a first upper metal clip, and a first upper rubber pad. The first upper fixing base is disposed on the first fixing frame and is located at the upper end of the first fixing base. The right end of the first upper fixing base is connected to the first upper rubber pad through the first upper metal clip, and the right end of the first upper rubber pad is connected to the left end of the housing.
4. A novel heat exchanger tube bundle as described in claim 2, characterized in that, The first lower elastic snap-fit assembly includes a first lower fixing base, a first lower metal clip, and a first lower rubber pad. The first lower fixing base is disposed on the first fixing frame and is located at the lower end of the first fixing base. The right end of the first lower fixing base is connected to the first lower rubber pad through the first lower metal clip, and the right end of the first lower rubber pad is connected to the left end of the housing.
5. A novel heat exchanger tube bundle as described in claim 1, characterized in that, The second clamping structure includes a second fixed base and a second elastic snap-fit assembly. The second fixed base is disposed on the second fixed frame and the second elastic snap-fit assembly is disposed on the second fixed base. The second elastic snap-fit assembly includes a second upper elastic snap-fit assembly and a second lower elastic snap-fit assembly. The left ends of the second upper elastic snap-fit assembly and the second lower elastic snap-fit assembly are respectively connected to the right end of the housing.
6. A novel heat exchanger tube bundle as described in claim 5, characterized in that, The second upper elastic snap-fit assembly includes a second upper fixing base, a second upper metal clip, and a second upper rubber pad. The second upper fixing base is disposed on the second fixing frame and is located at the upper end of the second fixing base. The left end of the second upper fixing base is connected to the second upper rubber pad through the first upper metal clip, and the left end of the second upper rubber pad is connected to the right end of the housing.
7. A novel heat exchanger tube bundle as described in claim 5, characterized in that, The second lower elastic snap-fit assembly includes a second lower fixing base, a second lower metal clip, and a second lower rubber pad. The second lower fixing base is disposed on the second fixing frame and is located at the lower end of the second fixing base. The left end of the second lower fixing base is connected to the second lower rubber pad through the second lower metal clip, and the left end of the second lower rubber pad is connected to the right end of the housing.
8. A novel heat exchanger tube bundle as described in claim 1, characterized in that, The multi-layer filter screen includes a first filter screen, a second filter screen, a third filter screen, and a fourth filter screen arranged in parallel. The multi-layer filter head includes a plurality of first filter heads, a plurality of second filter heads, a plurality of third filter heads, and a plurality of fourth filter heads. The plurality of first filter heads are evenly distributed on the first filter screen, the plurality of second filter heads are evenly distributed on the second filter screen, the plurality of third filter heads are evenly distributed on the third filter screen, and the plurality of fourth filter heads are evenly distributed on the fourth filter screen.