Composite modified graphite heat exchanger
By introducing vibration damping devices and diameter-changing retainers into the composite modified graphite heat exchanger, the problems of disassembly complexity and vibration damage are solved, thereby achieving equipment stability and ease of maintenance, and extending service life.
Patent Information
- Application Number
- CN202421916536.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-08-07
AI Technical Summary
Existing composite modified graphite heat exchangers are complex to disassemble and assemble, which may lead to impaired sealing performance or media leakage, and vibration may damage the equipment, affecting its stability and lifespan.
A shock-absorbing device and a variable diameter fixing device were designed. The shock-absorbing device absorbs vibration energy through a spring shock absorber and a support frame structure. The variable diameter fixing device achieves flexible fixing through a motor-driven threaded screw and rubber positioning wheels, simplifying the disassembly and assembly process.
It effectively reduces vibration damage to equipment, simplifies disassembly and assembly processes, improves equipment maintenance efficiency and reliability, and extends service life.
Smart Images
Figure CN223460904U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to heat exchanger technical field, concretely is a composite modified graphite heat exchanger. BACKGROUND
[0002] Graphite is a nonmetallic material, has many unique physical and chemical properties, such as high thermal conductivity, corrosion resistance, high temperature resistance, low thermal expansion coefficient, these characteristics make graphite has extensive application potential in heat exchange field, modified graphite is through special process to the graphite modification treatment, to further improve its performance, such as improving thermal conductivity, enhancing corrosion resistance, although modular design makes the disassembly and assembly of heat exchanger become more convenient, but in actual operation, there can be certain complexity, for example, need to disassemble multiple fasteners, remove sealing element etc., these operations can need certain professional knowledge and skill, in the disassembly and assembly process, sealing performance can be influenced, if sealing element is damaged or is not installed properly, can lead to medium leakage etc. SUMMARY
[0003] The utility model discloses a composite modified graphite heat exchanger, to solve the problem in the background art.
[0004] To achieve the above-mentioned purposes, the utility model provides the following technical scheme: a composite modified graphite heat exchanger, including graphite heat exchanger body, fluid inlet, fluid outlet, installation platform, damping device and variable diameter fixer, one side of graphite heat exchanger body is fixedly installed with fluid inlet, the side of graphite heat exchanger body away from fluid inlet is fixedly installed with fluid outlet, the middle part of graphite heat exchanger body is provided with two groups of variable diameter fixer, and the side of two groups of variable diameter fixer away from graphite heat exchanger body is provided with damping device respectively, and the bottom of the side of two groups of damping device away from graphite heat exchanger body is provided with installation platform.
[0005] Preferably, the graphite heat exchanger body is internally hollow filled with multiple groups of graphite tube bundles, and the shell material of the graphite heat exchanger body is stainless steel.
[0006] Preferably, the damping device comprises a first fixed base, a second fixed base, a support frame, a first connecting rod, a second connecting rod and a linkage rod, the support frame is triangular, the first fixed base and the second fixed base are respectively fixedly installed at two corners of the bottom end of the support frame, the first connecting rod is fixedly installed at a corner of the top end of the support frame, the second connecting rod is fixedly installed at the middle part of the support frame, the first connecting rod and the second connecting rod are installed in parallel on the support frame, the linkage rod is hingedly installed at one end of the first connecting rod away from the support frame, and the other end of the linkage rod is hingedly connected with the second connecting rod.
[0007] Preferably, the damping device further comprises spring dampers, a fixed support and a fixed bolt, a group of spring dampers are fixedly installed on the two sides of the second connecting rod close to the support frame, the other ends of the two groups of spring dampers are respectively fixedly installed on the two sides of the first connecting rod close to the linkage rod, the fixed support is fixedly installed on the side of the linkage rod away from the support frame, the fixed support is provided with an opening, and the fixed bolt is arranged in the opening.
[0008] Preferably, the variable-diameter fixator comprises a fixed disc, a first collar, a second collar, a rotating motor, a first threaded block, a second threaded block, a motor fixing column, a first connecting column, a second connecting column and a threaded screw rod, the top end of the fixed disc is provided with the first collar, the top end of the first collar is provided with the second collar, one side of the fixed disc is fixedly installed with the motor fixing column, the top end of the motor fixing column is fixedly installed with the rotating motor, one side of the fixed disc close to the motor fixing column is fixedly installed with the first connecting column, the top end of the first connecting column is rotatably installed with the first threaded block, one side of the first collar close to the first connecting column is fixedly installed with the second connecting column, the top end of the second connecting column is rotatably installed with the second threaded block, and the output shaft of the rotating motor is fixedly connected with the threaded screw rod, and the threaded screw rod is rotatably connected with the first threaded block and the second threaded block.
[0009] Preferably, the variable-diameter fixator further comprises a rotating shaft fixing column, a swing rod, a sliding block, a rotating shaft, a rubber positioning wheel and a fixed installation hole, the top end of the fixed disc is fixedly installed with a plurality of rotating shaft fixing columns, the swing rod is rotatably installed on the rotating shaft fixing column, the sliding block is slidably connected with the swing rod, the top end of the sliding block is hingedly connected with the second collar through the rotating shaft, the side of the swing rod away from the rotating shaft fixing column is fixedly installed with the rubber positioning wheel, and the fixed installation hole is formed in one side of the fixed disc.
[0010] Preferably, the variable diameter fixer is connected with the fixing support through the fixing mounting hole on the fixing disc, the fixing bolt passes through the opening on the fixing support and the fixing mounting hole on the fixing disc and is fixed, the bottom end of the damping device is fixedly installed on the installation platform through the first fixing base and the second fixing base, and the graphite heat exchanger body passes through the two groups of variable diameter fixers and is fixed through the rubber positioning wheel.
[0011] Compared with the prior art, the variable diameter fixer has the following beneficial effects:
[0012] 1、The composite modified graphite heat exchanger is provided with the damping device, which effectively absorbs vibration energy generated in the working process, reduces damage of vibration to the heat exchanger, especially protects stability of the core component graphite tube bundle, and prolongs the service life of the equipment.
[0013] 2、The composite modified graphite heat exchanger, the design of the variable diameter fixer makes the disassembly and assembly of the graphite tube bundle simple and fast, the flexibility and convenience improve the maintenance efficiency of the equipment, reduce downtime, and enhance the maintainability of the equipment. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a three-dimensional front view structural schematic diagram of the utility model;
[0015] Figure 2 It is a damping device structural schematic diagram of the utility model;
[0016] Figure 3 It is a variable diameter fixer front view structural schematic diagram of the utility model;
[0017] Figure 4 It is a variable diameter fixer three-dimensional structural schematic diagram of the utility model.
[0018] In the drawing: 1, graphite heat exchanger body; 2, fluid inlet; 3, fluid outlet; 4, installation platform; 5, damping device; 6, variable diameter fixer; 7, spring shock absorber; 8, first fixing base; 9, second fixing base; 10, support frame; 11, first connecting rod; 12, second connecting rod; 13, linkage rod; 14, fixing support; 15, fixing bolt; 16, fixing disc; 17, first sleeve ring; 18, second sleeve ring; 19, rotating motor; 20, first threaded block; 21, second threaded block; 22, motor fixing column; 23, first connecting column; 24, second connecting column; 25, threaded screw; 26, rotating shaft fixing column; 27, swing rod; 28, sliding block; 29, rotating shaft; 30, rubber positioning wheel; 31, fixing mounting hole. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.
[0020] Please refer to Figures 1-4 The utility model provides a compound type modified graphite heat exchanger, including graphite heat exchanger body 1, fluid inlet 2, fluid outlet 3, installation platform 4, damping device 5 and variable diameter fixer 6, one side fixed mounting of graphite heat exchanger body 1 has fluid inlet 2, graphite heat exchanger body 1 side away from fluid inlet 2 fixedly installed with fluid outlet 3, the middle part of graphite heat exchanger body 1 is provided with two groups of variable diameter fixer 6, two groups of variable diameter fixer 6 side away from graphite heat exchanger body 1 is provided with damping device 5 respectively, two groups of damping device 5 side away from graphite heat exchanger body 1 bottom end is provided with installation platform 4.
[0021] Further, the inside of the graphite heat exchanger body 1 is hollowly filled with multiple groups of graphite tube bundles, and the shell material of the graphite heat exchanger body 1 is stainless steel.
[0022] Further, the damping device 5 includes a first fixed base 8, a second fixed base 9, a support frame 10, a first connecting rod 11, a second connecting rod 12, and a linkage rod 13. The support frame 10 is triangular in shape. The first fixed base 8 and the second fixed base 9 are respectively fixedly installed at the two corners of the bottom end of the triangular support frame 10. The first connecting rod 11 is fixedly installed at one corner of the top end of the triangular support frame 10. The second connecting rod 12 is fixedly installed at the middle part of the triangular support frame 10. The first connecting rod 11 and the second connecting rod 12 are parallelly installed on the support frame 10. The linkage rod 13 is hingedly installed at one end of the first connecting rod 11 away from the support frame 10. The other end of the linkage rod 13 is hingedly connected with the second connecting rod 12.
[0023] Further, the damping device 5 further includes a spring shock absorber 7, a fixed bracket 14, and a fixed bolt 15. One group of spring shock absorbers 7 is respectively fixedly installed at the two sides of the second connecting rod 12 close to the support frame 10. The other ends of the two groups of spring shock absorbers 7 are respectively fixedly installed at the two sides of the first connecting rod 11 close to the linkage rod 13. The fixed bracket 14 is fixedly installed at one side of the linkage rod 13 away from the support frame 10. The fixed bracket 14 is provided with an opening, and the fixed bolt 15 is arranged in the opening. The equipped damping device 5 effectively absorbs the vibration energy generated during work, reduces the damage of vibration to the heat exchanger, especially protects the stability of the core component graphite tube bundle, and prolongs the service life of the equipment.
[0024] Further, the variable-diameter fixer 6 comprises a fixing disc 16, a first collar 17, a second collar 18, a rotating motor 19, a first threaded block 20, a second threaded block 21, a motor fixing column 22, a first connecting column 23, a second connecting column 24 and a threaded screw rod 25, the top end of the fixing disc 16 is provided with the first collar 17, the top end of the first collar 17 is provided with the second collar 18, one side of the fixing disc 16 is fixedly installed with the motor fixing column 22, the top end of the motor fixing column 22 is fixedly installed with the rotating motor 19, one side of the fixing disc 16 close to the motor fixing column 22 is fixedly installed with the first connecting column 23, the top end of the first connecting column 23 is rotatably installed with the first threaded block 20, one side of the first collar 17 close to the first connecting column 23 is fixedly installed with the second connecting column 24, the top end of the second connecting column 24 is rotatably installed with the second threaded block 21, the output shaft of the rotating motor 19 is fixedly connected with the threaded screw rod 25, and the threaded screw rod 25 is rotatably connected with the first threaded block 20 and the second threaded block 21.
[0025] Further, the variable-diameter fixer 6 further comprises a rotating shaft fixing column 26, a swing rod 27, a sliding block 28, a rotating shaft 29, a rubber positioning wheel 30 and a fixed mounting hole 31, the top end of the fixing disc 16 is fixedly installed with a plurality of groups of rotating shaft fixing columns 26, the rotating shaft fixing columns 26 are rotatably installed with the swing rods 27, the swing rods 27 are slidably connected with the sliding blocks 28, the top end of the sliding blocks 28 is hingedly installed with the second collar 18 through the rotating shaft 29, one side of the swing rods 27 away from the rotating shaft fixing columns 26 is fixedly installed with the rubber positioning wheels 30, and one side of the fixing disc 16 is provided with the fixed mounting hole 31; the design of the variable-diameter fixer 6 makes the disassembly and assembly of the graphite tube bundle simple and fast. The flexibility and convenience improve the maintenance efficiency of the equipment, reduce the downtime, and enhance the maintainability of the equipment.
[0026] Further, the variable-diameter fixer 6 is connected with the fixed support 14 through the fixed mounting hole 31 on the fixing disc 16, the fixed bolt 15 passes through the opening on the fixed support 14 and the fixed mounting hole 31 on the fixing disc 16 and is fixed, the bottom end of the damping device 5 is fixedly installed on the installation platform 4 through the first fixed base 8 and the second fixed base 9, and the graphite heat exchanger body 1 passes through the two groups of variable-diameter fixers 6 and is fixed through the rubber positioning wheels 30.
[0027] Working principle: hot fluid enters the graphite heat exchanger body 1 inside through the fluid inlet 2, when flowing through multiple groups of graphite tube bundles, heat is transferred to these graphite tube bundles, then cold fluid enters through the fluid outlet 3, and exchanges heat with the graphite tube bundles that have absorbed heat, thereby realizing fluid heating or cooling, the graphite tube bundle as the core heat exchange element, uses its high thermal conductivity to ensure the efficiency of heat transfer, during the working process of the heat exchanger, due to factors such as fluid flow and temperature change, a certain vibration may be generated, the damping device effectively absorbs these vibration energies through the structures such as the internal spring shock absorber 7, the support frame 10, the first connecting rod 11, the second connecting rod 12 and the linkage rod 13, reduces the damage of vibration to the heat exchanger, the graphite tube bundle as the core component of the heat exchanger, its stability and integrity are crucial to the performance of the heat exchanger, the existence of the damping device can prevent the graphite tube bundle from loosening and breaking due to vibration, thereby prolonging the service life of the heat exchanger, the bottom end of the damping device is fixedly installed on the installation platform 4 through the first fixed base 8 and the second fixed base 9, this stable installation mode ensures the stability of the heat exchanger during the working process, prevents safety accidents caused by equipment shaking, the first threaded block 20 and the second threaded block 21 can be relatively moved in the horizontal direction by rotating the motor 19 to drive the threaded screw 25 to rotate, this design makes the distance between the first sleeve ring 17 and the second sleeve ring 18 can be flexibly adjusted, thereby adapting to graphite heat exchanger bodies 1 of different diameters, the swing rod 27 and the sliding block 28 structure rotatably installed on the multiple groups of shaft fixing columns 26 cooperate with the use of the rubber positioning wheel 30 to ensure the stable fixation of the graphite heat exchanger body 1 in the variable diameter fixer, this fixing mode not only ensures the stability of the graphite heat exchanger body 1, but also facilitates disassembly and assembly when needed, the design of the variable diameter fixer 6 fully considers the convenience of operation, through simple adjustment and fixing steps, the graphite heat exchanger body 1 can be quickly installed and disassembled, improving the maintenance efficiency and flexibility of the equipment.
[0028] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A composite modified graphite heat exchanger, comprising a graphite heat exchanger body (1), a fluid inlet (2), a fluid outlet (3), a mounting platform (4), a damping device (5) and a variable diameter fixer (6), characterized in that: The graphite heat exchanger body (1) is fixedly installed with a fluid inlet (2) on one side, and is fixedly installed with a fluid outlet (3) on the side away from the fluid inlet (2), and the middle part of the graphite heat exchanger body (1) is provided with two groups of variable-diameter fixers (6), and the two groups of variable-diameter fixers (6) are respectively provided with damping devices (5) on the side away from the graphite heat exchanger body (1), and the bottom ends of the two groups of damping devices (5) on the side away from the graphite heat exchanger body (1) are provided with mounting platforms (4).
2. The composite modified graphite heat exchanger according to claim 1, characterized in that: The graphite heat exchanger body (1) is internally hollow and filled with a plurality of graphite tube bundles, and the shell material of the graphite heat exchanger body (1) is stainless steel.
3. The composite modified graphite heat exchanger according to claim 1, characterized in that: The damping device (5) comprises a first fixed base (8), a second fixed base (9), a support frame (10), a first connecting rod (11), a second connecting rod (12) and a linkage rod (13), the support frame (10) is triangular, the first fixed base (8) and the second fixed base (9) are fixedly installed at the two corners of the bottom of the triangular support frame (10), the first connecting rod (11) is fixedly installed at one corner of the top of the triangular support frame (10), the second connecting rod (12) is fixedly installed at the middle part of the triangular support frame (10), the first connecting rod (11) and the second connecting rod (12) are installed on the support frame (10) in parallel, the linkage rod (13) is hingedly installed at one end of the first connecting rod (11) away from the support frame (10), and the other end of the linkage rod (13) is hingedly connected with the second connecting rod (12).
4. The composite modified graphite heat exchanger according to claim 3, characterized in that: The damping device (5) further comprises a spring shock absorber (7), a fixed support (14) and a fixed bolt (15), one group of spring shock absorbers (7) are fixedly installed on the two sides of the second connecting rod (12) close to the support frame (10), the other ends of the two groups of spring shock absorbers (7) are fixedly installed on the two sides of the first connecting rod (11) close to the linkage rod (13), and the fixed support (14) is fixedly installed on the side of the linkage rod (13) away from the support frame (10).
5. The composite modified graphite heat exchanger according to claim 4, wherein: The variable diameter fixer (6) comprises a fixed disc (16), a first collar (17), a second collar (18), a rotating motor (19), a first threaded block (20), a second threaded block (21), a motor fixing column (22), a first connecting column (23), a second connecting column (24) and a threaded screw rod (25), the top end of the fixed disc (16) is provided with the first collar (17), the top end of the first collar (17) is provided with the second collar (18), one side of the fixed disc (16) is fixedly installed with the motor fixing column (22), the top end of the motor fixing column (22) is fixedly installed with the rotating motor (19), one side of the fixed disc (16) close to the motor fixing column (22) is fixedly installed with the first connecting column (23), the top end of the first connecting column (23) is rotatably installed with the first threaded block (20), one side of the first collar (17) close to the first connecting column (23) is fixedly installed with the second connecting column (24), the top end of the second connecting column (24) is rotatably installed with the second threaded block (21), the output shaft of the rotating motor (19) is fixedly connected with the threaded screw rod (25), and the threaded screw rod (25) is rotatably connected with the first threaded block (20) and the second threaded block (21) respectively. The variable diameter fixer (6) further comprises a rotating shaft fixing column (26), a swing rod (27), a sliding block (28), a rotating shaft (29), a rubber positioning wheel (30) and a fixed mounting hole (31), the top end of the fixed disc (16) is fixedly installed with a plurality of rotating shaft fixing columns (26), a plurality of rotating shaft fixing columns (26) are rotatably installed with swing rods (27), a plurality of swing rods (27) are slidably connected with sliding blocks (28), the top end of a plurality of sliding blocks (28) is hingedly installed with the second collar (18) through the rotating shaft (29), a plurality of swing rods (27) are fixedly installed with rubber positioning wheels (30) on the side away from the rotating shaft fixing column (26), and the fixed disc (16) is provided with a fixed mounting hole (31) on one side.
6. The composite modified graphite heat exchanger according to claim 5, wherein: The variable diameter fixer (6) is connected with the fixed support (14) through the fixed mounting hole (31) on the fixed disc (16), the fixed bolt (15) passes through the opening on the fixed support (14) and the fixed mounting hole (31) on the fixed disc (16) and is fixed, the bottom end of the damping device (5) is fixedly installed on the installation platform (4) through the first fixed base (8) and the second fixed base (9), and the graphite heat exchanger body (1) passes through the two variable diameter fixers (6) and is fixed through the rubber positioning wheels (30).