Energy-saving plate type gas-gas heat exchanger
By incorporating structural designs such as limit rods and hydraulic rods, the problems of high manual labor intensity and poor stability during the fixing and maintenance of gas-to-gas plate heat exchangers have been solved. This has enabled efficient heat exchange and convenient disassembly operations, thereby improving the efficiency and practicality of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-03-20
AI Technical Summary
Existing gas-to-gas plate heat exchangers suffer from high manual labor intensity, poor stability, and inconvenient disassembly during installation and maintenance, which affects their efficiency and practicality.
The design incorporates limit rods, hydraulic rods, slots, and inserts to achieve stable connection and quick disassembly of the upper and lower housings. Combined with the design of the air inlet and connecting strip, it improves sealing and heat exchange efficiency while reducing noise and harmful emissions.
It reduces manual labor intensity, improves the stability and convenience of the device, enhances heat exchange efficiency, reduces leakage and noise, and improves the overall performance.
Smart Images

Figure CN224018893U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of gas-gas plate heat exchangers, in particular to an energy-saving plate gas-gas heat exchanger. BACKGROUND
[0002] The plate heat exchanger is a high-efficiency heat exchanger formed by stacking a series of metal sheets with a certain corrugated shape, thin rectangular channels are formed between various plates, and heat exchange is performed through the plates. The plate heat exchanger is an ideal device for liquid-liquid and liquid-vapor heat exchange. It has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small occupied area, wide application, long service life and the like. The gas-gas plate heat exchanger is a heat exchanger for realizing heat exchange between high-temperature gas and low-temperature gas.
[0003] According to the search, the application number of the existing disclosed technology is CN202420991972.0, which is a gas-gas plate heat exchanger for waste heat recovery. The protective shell is used when the upper and lower detachable shells are separated, which can enter the inside for inspection and maintenance, improves the maintenance efficiency, and the upper shell and the lower shell allow quick disassembly and reassembly, reducing the installation time.
[0004] However, the above-mentioned patent still has certain shortcomings in use. The fixing operation of the structure is realized by rotating the hand wheel, but the use of the hand wheel needs manual operation, which increases the labor intensity of the personnel, so that the overall use efficiency is not very good. In addition, the hand wheel lacks a fixing structure, which is easy to rotate due to vibration during the operation of the device, thereby causing the loosening of the fixing structure and reducing the overall assembly stability of the device. At the same time, external equipment is needed to cooperate with the device during maintenance and disassembly, which reduces the practicability of the device, and the overall use effect is not very ideal.
[0005] In order to solve the above problems, the application provides an energy-saving plate gas-gas heat exchanger. Practical new type content
[0006] The energy-saving plate gas-gas heat exchanger provided by the application adopts the following technical scheme:
[0007] The utility model provides an energy -conserving type plate type gas -gas heat exchanger, including lower casing and heat exchanger body, the upper casing is equipped with the upper casing above lower casing, the position between upper casing and lower casing is equipped with heat exchanger body, the both sides surface bottom position of lower casing is symmetrically welded with the bearing plate, the top position of bearing plate is welded with the limiting rod, the outer periphery of limiting rod is connected with the moving plate of sliding, the moving plate is welded with the surface of upper casing, the both sides surface middle position of upper casing and the both sides surface middle position of lower casing are welded with fixed block, the fixed block between position is installed with second hydraulic rod, the both sides inside top end position of lower casing is symmetrically set up with fastening groove, the inside fastening groove is symmetrically connected with the ceiling of sliding, the one side surface position of ceiling is symmetrically installed with the plug -in rod, the first hydraulic rod is installed to the other side surface middle position of ceiling, the top of fastening groove is symmetrically set up with the butt joint groove on the surface position of lower casing.
[0008] Through the above technical scheme, the shell can be checked and repaired by entering the inside when being detachable and separated, the maintenance efficiency is improved, the upper shell and the lower shell allow quick disassembly and reassembly, the installation time is reduced, the shell forms a more compact seal between the plates by setting the upper shell and the lower shell on the outside of the heat exchanger body, the leakage is reduced and the heat exchange efficiency is improved, the loss of heat inside can be reduced, the noise generated when the medium flows in the plate heat exchanger is small, the environmental damage is reduced, and the heat exchanger body adopts a gas-gas plate heat exchanger.
[0009] Further, the butt joint strips are symmetrically installed on the both sides of the bottom of the upper shell above the butt joint grooves.
[0010] Through the above technical scheme, the insertion of the plug-in rod is facilitated by the insertion hole, and the limiting and fixing between the shells are realized.
[0011] Further, a plurality of groups of insertion grooves are symmetrically arranged on the top surface of the both sides of the lower shell.
[0012] Through the above technical scheme, the insertion grooves are arranged to cooperate with the insertion blocks, and the fastening operation between the shells is realized.
[0013] Further, the insertion blocks are symmetrically installed on the both sides of the bottom of the upper shell above the insertion grooves.
[0014] Through the above technical scheme, the insertion blocks are arranged to cooperate with the insertion grooves, and the fastening operation between the shells is realized.
[0015] Further, the air inlet holes are arranged on the surface of the lower shell and the surface of the upper shell.
[0016] Through the technical scheme, the fresh air or other gas is introduced through the air inlet hole, the heat exchange area and the turbulence are increased, the heat exchange efficiency is improved, the gas inside the heat exchanger body is diluted, the temperature and the concentration of the gas are reduced, and the generation of harmful emissions is reduced.
[0017] Further, a guide groove is arranged at the bottom end of the fastening groove for the movement of the top plate.
[0018] Through the technical scheme, the guide groove is arranged to facilitate the stable forward and backward movement of the top plate, thereby realizing the fixing and releasing operations of the butt joint strip and facilitating the loading and unloading operations of the device.
[0019] Further, an opening is arranged on the surface of the moving plate.
[0020] Through the technical scheme, the opening is arranged to facilitate the installation and movement of the limiting rod.
[0021] In summary, the present application has the following beneficial technical effects:
[0022] The present application is connected by the limiting rod, which can ensure that the upper shell and the lower shell move up and down more stably, avoid misalignment that requires secondary adjustment, reduce the labor intensity of personnel, and realize the lifting operation of the structure by the extension and contraction of the second hydraulic rod between the multiple groups of shells, avoid manual operation and the use of external equipment, improve the flexibility of the device and the convenience during loading and unloading, facilitate better use, and realize the overall connection strength by the cooperation of the plug, the plug, the butt joint groove and the butt joint strip during the butt joint of the shells, avoid misalignment during use, limit the butt joint strip by the internal plug rod after the alignment of the butt joint strip and the butt joint groove, limit the butt joint strip by the first hydraulic rod, reduce the labor intensity of personnel, avoid shaking during operation that causes the structure to loosen, ensure the stability of the connection, facilitate better use, and have the advantages of labor-saving, good fixing effect and convenient loading and unloading. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 The figure is a schematic diagram of the overall structure of the present application;
[0024] Figure 2 The figure is a schematic diagram of the top plate of the present application;
[0025] Figure 3 The figure is a schematic diagram of the connection of the bearing plate and the moving plate of the present application;
[0026] Figure 4 The figure is a schematic diagram of the structure of the butt joint strip of the present application.
[0027] Explanation of figure numbers:
[0028] 1, lower shell; 2, heat exchanger body; 3, air inlet hole; 4, fastening groove; 5, first hydraulic rod; 6, top plate; 7, limiting rod; 8, butt joint strip; 9, moving plate; 10, upper shell; 11, plug; 12, plug groove; 13, bearing plate; 14, second hydraulic rod; 15, fixed block; 16, plug hole; 17, butt joint groove; 18, plug rod. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments, and all other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor fall within the scope of protection of the present application.
[0030] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0031] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be connected inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.
[0032] Embodiment:
[0033] The embodiments of the present application disclose an energy-saving plate type gas-gas heat exchanger, please refer to Figures 1-4, including lower shell 1 and heat exchanger body 2, upper shell 10 is arranged above lower shell 1, heat exchanger body 2 is arranged between upper shell 10 and lower shell 1, load plate 13 is symmetrically welded at the bottom of the two side surfaces of lower shell 1, limit rod 7 is welded at the top of load plate 13, moving plate 9 is slidably connected with the outer periphery of limit rod 7, moving plate 9 is welded with the surface of upper shell 10, fixed block 15 is welded at the middle of the two side surfaces of upper shell 10 and the middle of the two side surfaces of lower shell 1, second hydraulic rod 14 is installed between fixed blocks 15, fastening groove 4 is symmetrically arranged at the top of the two side inner ends of lower shell 1, top plate 6 is symmetrically slidably connected in fastening groove 4, plug rod 18 is symmetrically installed on one side surface of top plate 6, first hydraulic rod 5 is installed on the other side surface of top plate 6, butt joint groove 17 is symmetrically arranged on the surface of lower shell 1 at the top of fastening groove 4, the shell can be separated from top to bottom, and the inside of heat exchanger body 2 can be accessed for inspection and maintenance, thereby improving the maintenance efficiency, and the upper shell 10 and the lower shell 1 can be quickly disassembled and reassembled, thereby reducing the installation time, the upper shell 10 and the lower shell 1 are arranged outside the heat exchanger body 2, the shell is more tightly sealed between the plates, the leakage is reduced, and the heat exchange efficiency is improved, the loss of heat inside is reduced, the noise generated when the medium flows in the plate heat exchanger is small, the environmental damage is reduced, and the heat exchanger body 2 is a gas-gas plate heat exchanger.
[0034] Please refer to Figure 1 and Figure 4 , butt joint strip 8 is symmetrically installed on the bottom of the two sides of upper shell 10 above butt joint groove 17, plug hole 16 is through arranged on the surface of butt joint strip 8, the plug hole 16 is arranged to facilitate the insertion of plug rod 18, and the limiting and fixing of the shell are realized.
[0035] Please refer to Figure 1 , a plurality of groups of insertion grooves 12 are symmetrically arranged on the top surface of the two sides of lower shell 1, the insertion grooves 12 are arranged to cooperate with the insertion blocks 11, and the fastening operation between the shells is realized.
[0036] Please refer to Figure 1 , insertion blocks 11 are symmetrically installed on the bottom of the two side surfaces of upper shell 10 above insertion grooves 12, the insertion blocks 11 are arranged to cooperate with the insertion grooves 12, and the fastening operation between the shells is realized.
[0037] Please refer to Figure 1 , air inlet holes 3 are arranged on the surface of lower shell 1 and the surface of upper shell 10, the air inlet holes 3 introduce fresh air or other gases, can increase the heat exchange area and turbulence, thereby improving the heat exchange efficiency, and diluting the gas inside the heat exchanger body 2, reducing the temperature and concentration, thereby reducing the generation of harmful emissions.
[0038] Please refer to Figure 1 The bottom end of the fastening groove 4 is provided with a guide groove for the movement of the top plate 6. The guide groove is arranged to facilitate the stable forward and backward movement of the top plate 6, thereby realizing the fixing and releasing operation of the butt joint strip 8, and facilitating the loading and unloading operation of the device.
[0039] Please refer to Figure 1 and Figure 2 The surface of the moving plate 9 is provided with an opening. The opening is arranged to facilitate the installation and movement of the limiting rod 7.
[0040] The implementation principle of the embodiment is: in use, by arranging the upper shell 10 and the lower shell 1 outside the heat exchanger body 2, a more tight seal is formed between the shells, reducing leakage and improving heat exchange efficiency, reducing the loss of heat inside, and at the same time, the noise generated by the medium flowing in the plate heat exchanger is small. Isolate, reduce environmental damage, thereby achieving a certain energy-saving effect, facilitating better use, and the upper shell 10 and the lower shell 1 are connected by the limiting rod 7, which can ensure that the upper shell 10 and the lower shell 1 move more stably up and down, avoid misalignment that requires secondary adjustment later, reduce the labor intensity of personnel, and at the same time, the structure is lifted by the extension of the second hydraulic rod 14 between multiple shells. Avoid manual and external equipment operation, can improve the flexibility of the device and the convenience during loading and unloading, facilitate better use, and the cooperation of the plug-in block 11, the plug-in block 11, the butt joint groove 17 and the butt joint strip 8 can realize the overall connection strength when the shell is butt jointed. Avoid misalignment during use, and the butt joint strip 8 is limited by the internal plug-in rod 18 after aligning with the butt joint groove 17, and the butt joint strip 8 is limited by the first hydraulic rod 5, which reduces the labor intensity of personnel, and at the same time can avoid shaking during operation. Loose structure, can ensure the stability of the connection, facilitate better use, the device has the advantages of labor-saving operation, good fixing effect, and convenient loading and unloading.
[0041] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application shall be covered within the protection scope of the present application.
Claims
1. An energy-saving plate gas-to-gas heat exchanger, comprising a lower shell (1) and a heat exchanger body (2), characterized in that: An upper shell (10) is provided above the lower shell (1). A heat exchanger body (2) is provided between the upper shell (10) and the lower shell (1). Support plates (13) are symmetrically welded to the bottom of both sides of the lower shell (1). A limit rod (7) is welded to the top of the support plate (13). A movable plate (9) is slidably connected to the outer periphery of the limit rod (7). The movable plate (9) is welded to the surface of the upper shell (10). The middle of both sides of the upper shell (10) and the middle of both sides of the lower shell (1) are also provided. Fixed blocks (15) are welded at each position. A second hydraulic rod (14) is installed between the fixed blocks (15). Fastening grooves (4) are symmetrically opened at the top of the inner sides of the lower housing (1). A top plate (6) is symmetrically slidably connected inside the fastening groove (4). Insert rods (18) are symmetrically installed on one side of the surface of the top plate (6). A first hydraulic rod (5) is installed in the middle of the other side of the surface of the top plate (6). A docking groove (17) is symmetrically opened at the top of the fastening groove (4) on the surface of the lower housing (1).
2. The energy-saving plate gas-to-gas heat exchanger according to claim 1, characterized in that: The bottom sides of the upper housing (10) are symmetrically equipped with docking strips (8) located directly above the docking groove (17), and the surface of the docking strips (8) is provided with insertion holes (16).
3. The energy-saving plate gas-to-gas heat exchanger according to claim 1, characterized in that: The lower housing (1) has several sets of slots (12) symmetrically opened on the top surface of both sides.
4. An energy-saving plate gas-to-gas heat exchanger according to claim 3, characterized in that: Insert blocks (11) are symmetrically installed above the slot (12) at the bottom of both sides of the upper housing (10).
5. An energy-saving plate gas-to-gas heat exchanger according to claim 1, characterized in that: Air inlets (3) are provided on the surface of both the lower housing (1) and the upper housing (10).
6. The energy-saving plate gas-to-gas heat exchanger according to claim 1, characterized in that: The bottom end of the fastening groove (4) is provided with a guide groove for the top plate (6) to move.
7. An energy-saving plate gas-to-gas heat exchanger according to claim 1, characterized in that: The moving plate (9) has openings on its surface.
Citation Information
Patent Citations
Gas-gas plate heat exchanger for waste gas heat recovery
CN222336150U