A replaceable graphite heat exchanger
The design of the limiting plate and limiting slot engaging and magnetic adsorption solves the problem of low installation and hoisting efficiency of graphite heat exchangers, enabling rapid replacement and disassembly and simplifying the operation process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LAO HEKOU GUANG LIAN TECH CO LTD
- Filing Date
- 2025-07-23
- Publication Date
- 2026-07-07
AI Technical Summary
The installation and hoisting process of existing graphite heat exchangers is inefficient and requires repeated turning of bolts, making operation inconvenient.
The graphite heat exchanger is quickly installed and disassembled by using a limit plate and limit slot for interlocking and magnetic adsorption, thus avoiding the use of bolts.
It simplifies the installation and disassembly process of graphite heat exchangers, improves operating efficiency, simplifies the replacement process, and eliminates the need to repeatedly turn the bolts.
Smart Images

Figure CN224470897U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of graphite heat exchangers, specifically a graphite heat exchanger that is easy to replace. Background Technology
[0002] Graphite heat exchangers are heat exchangers whose heat transfer components are made of graphite. The graphite used to manufacture heat exchangers should be impermeable; impregnated impermeable graphite and pressed impermeable graphite are commonly used. Graphite heat exchangers have good corrosion resistance, are not prone to scaling on the heat transfer surface, and have good heat transfer performance. However, graphite is brittle and has low bending and tensile strength, so it can only be used at low pressures. Even the block porous structure with the best pressure resistance generally only operates at pressures of 0.3~0.5 MPa. Graphite heat exchangers are expensive, bulky, and not widely used. They are mainly used for heat exchange of corrosive media such as hydrochloric acid, sulfuric acid, acetic acid, and phosphoric acid, such as as condensers for acetic acid and acetic anhydride. Currently, the replacement of graphite heat exchangers is generally carried out using a hoisting structure.
[0003] Meanwhile, a floating head tube-type graphite heat exchanger with application number CN202122606005.7 includes a base and a graphite heat exchanger. The graphite heat exchanger is a floating head tube-type graphite heat exchanger and is located above the base. Both ends of the graphite heat exchanger are detachably connected to end caps. A fixing plate is installed at the bottom of the graphite heat exchanger, and symmetrically distributed support columns are installed at the bottom of the fixing plate. The other end of the support columns is fixedly connected to the top of the base by bolts. Support rods are slidably arranged on both sides of the top of the base.
[0004] However, the following problems were found in the implementation of the relevant technology: the graphite heat exchanger is fixedly installed by bolts, which requires repeated turning of the bolts, reducing the installation efficiency; and there is no hoisting structure, which makes it inconvenient to hoist and install the graphite heat exchanger when needed. Utility Model Content
[0005] To address the problems mentioned in the background art, this utility model provides a graphite heat exchanger that is easy to replace, with the advantages of being easy to separate the graphite heat exchanger from the base and easy to hoist the graphite heat exchanger, and without the need for bolts.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a graphite heat exchanger that is easy to replace, comprising two mounting bases, a graphite heat exchanger body being disposed on the two mounting bases, two lifting seats being connected to the top of the graphite heat exchanger body, two limiting components being disposed on each of the two mounting bases, and two mounting components being disposed on the graphite heat exchanger body.
[0007] Preferably, each of the four limiting components includes a limiting block and a second magnetic sheet. Each pair of limiting blocks is slidably disposed on the inner side of each mounting base. A limiting plate is connected to one side of each of the four limiting blocks, and a first magnetic sheet is connected to one side of each of the four limiting plates. Two of the second magnetic sheets are disposed on the inner side of the mounting base located on the left side, and the other two are disposed on the inner side of the mounting base located on the right side.
[0008] Preferably, the four second magnetic sheets are arranged symmetrically in pairs on both the front and rear sides of the vertical center line of the graphite heat exchanger body.
[0009] Preferably, each of the first magnetic sheets is magnetically attracted to each of the second magnetic sheets.
[0010] Preferably, both of the mounting components include a retaining ring and two limiting slots. The two retaining rings are both located at the bottom end of the graphite heat exchanger body. Two mounting plates are connected to the surface of each of the two retaining rings. Mounting rods are connected to the bottom ends of the four mounting plates. The four limiting slots are respectively opened on the inner side of the four mounting rods.
[0011] Preferably, the longitudinal sections of the four limiting plates and the four limiting slots are both rectangular, and the four limiting plates are respectively engaged and connected with the four limiting slots.
[0012] Preferably, the surfaces of each pair of mounting rods are slidably engaged with the inner side of each mounting base.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0014] This invention uses a limiting plate and a limiting slot to engage, and the first magnetic sheet and the second magnetic sheet are magnetically attracted to each other, which facilitates the fixing of the mounting rod and the mounting base. This makes it easy to quickly install the new graphite heat exchanger body and the mounting base. At the same time, by pulling out the limiting block, the first magnetic sheet and the second magnetic sheet can be separated, and the mounting rod can be pulled upward. The external hoisting structure is connected to the hoisting base, which facilitates the hoisting of the hoisting base for installation or disassembly. The fixed installation and disassembly of the graphite heat exchanger body can be achieved without repeatedly turning the bolts, making the operation simple. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0016] Figure 2 This is a schematic diagram of the front planar structure of the present invention;
[0017] Figure 3 This is a partial cross-sectional structural diagram of the present invention;
[0018] Figure 4 This utility model Figure 3 A magnified structural diagram at point A;
[0019] Figure 5 This is a schematic diagram of a partial dispersed structure of the present invention.
[0020] In the diagram: 1. Mounting bracket;
[0021] 2. Limiting component; 21. Limiting block; 22. Limiting plate; 23. First magnetic sheet; 24. Second magnetic sheet;
[0022] 3. Installation components; 31. Retaining ring; 32. Mounting plate; 33. Mounting rod; 34. Limiting slot;
[0023] 4. Graphite heat exchanger body; 5. Lifting base. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] like Figures 1 to 5 As shown, this utility model provides a graphite heat exchanger that is easy to replace, including two mounting bases 1, on which a graphite heat exchanger body 4 is provided, and two lifting bases 5 are connected to the top of the graphite heat exchanger body 4. Two limiting components 2 are provided on each of the two mounting bases 1, and two mounting components 3 are provided on the graphite heat exchanger body 4.
[0026] Specifically, each of the four limiting components 2 includes a limiting block 21 and a second magnetic sheet 24. Each pair of limiting blocks 21 is slidably disposed on the inner side of each mounting base 1. A limiting plate 22 is connected to one side of each of the four limiting blocks 21. A first magnetic sheet 23 is connected to one side of each of the four limiting plates 22. Two of the second magnetic sheets 24 are disposed on the inner side of the mounting base 1 located on the left side, and the other two are disposed on the inner side of the mounting base 1 located on the right side.
[0027] Furthermore, the four second magnetic plates 24 are symmetrically arranged in pairs on both sides of the vertical center line of the graphite heat exchanger body 4.
[0028] Furthermore, each of the first magnetic sheets 23 is magnetically attracted to each of the second magnetic sheets 24.
[0029] It is worth noting that both mounting components 3 include a fixing ring 31 and two limiting slots 34. Both fixing rings 31 are located at the bottom of the graphite heat exchanger body 4. Two mounting plates 32 are connected to the surface of both fixing rings 31. The bottom of each of the four mounting plates 32 is connected to a mounting rod 33. The four limiting slots 34 are respectively opened on the inner side of the four mounting rods 33.
[0030] It is worth noting that the longitudinal sections of the four limiting plates 22 and the four limiting slots 34 are both rectangular, and the four limiting plates 22 are respectively engaged and connected with the four limiting slots 34.
[0031] It is worth mentioning that the surfaces of each pair of mounting rods 33 are respectively slidably engaged with the inner side of each mounting base 1.
[0032] The first magnetic plate 23, the second magnetic plate 24, and the graphite heat exchanger body 4 are existing technologies and will not be described in detail. Additionally, this utility model also includes a power supply, controller, and switch, which are not the main technical points of this patent and will not be described in detail. The "front, back, left, and right" perspectives of this device are... Figure 1 The direction shown in the diagram is the reference.
[0033] Working principle: First, when the graphite heat exchanger body 4 needs to be replaced, the operator manually pulls out the four limiting blocks 21, thereby separating the four first magnetic plates 23 from their corresponding second magnetic plates 24. When the limiting blocks 21 are pulled out, the limiting plate 22 slides away from the limiting slot 34. Then, through the external lifting structure and connection to the lifting base 5, when the graphite heat exchanger body 4 to be replaced is lifted, the four mounting rods 33 are pulled upwards. At this point, the graphite heat exchanger body 4 to be replaced separates from the mounting base 1, allowing it to be lifted and removed to replace the new graphite heat exchanger body 4. Similarly, when the new graphite heat exchanger body is installed... 4. During installation, each limiting plate 22 remains in the outward-pull-out state. After the mounting rod 33 on the new graphite heat exchanger body 4 is inserted into the mounting base 1, the four limiting plates 22 are gradually pushed into the interior of the mounting base 1 and the limiting slot 34, so that the corresponding first magnetic sheet 23 and second magnetic sheet 24 are magnetically attracted to each other, thus fixing the new graphite heat exchanger body 4 to the mounting base 1. The operation is simple, and the graphite heat exchanger body 4 can be fixed and installed and disassembled without repeatedly turning the bolts. It should be noted that the shape of the bottom end of the fixing ring 31 and the top end of the mounting base 1 are closely matched, thus significantly improving the accuracy of the correspondence between the limiting plate 22 and the limiting slot 34.
[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A replaceable graphite heat exchanger comprising two mounting seats (1), characterized in that: Two mounting bases (1) are provided with graphite heat exchanger bodies (4), and two lifting bases (5) are connected to the top of the graphite heat exchanger bodies (4). Two limiting components (2) are provided on both mounting bases (1), and two mounting components (3) are provided on the graphite heat exchanger bodies (4).
2. The replaceable graphite heat exchanger of claim 1, wherein: Each of the four limiting components (2) includes a limiting block (21) and a second magnetic sheet (24). Each pair of limiting blocks (21) is slidably disposed on the inner side of each mounting base (1). A limiting plate (22) is connected to one side of each of the four limiting blocks (21), and a first magnetic sheet (23) is connected to one side of each of the four limiting plates (22). Two of the second magnetic sheets (24) are disposed on the inner side of the mounting base (1) located on the left side, and the other two second magnetic sheets (24) are disposed on the inner side of the mounting base (1) located on the right side.
3. A replaceable graphite heat exchanger as claimed in claim 2, wherein: The four second magnetic plates (24) are respectively arranged symmetrically in pairs on the front and back sides of the vertical center line of the graphite heat exchanger body (4).
4. The replaceable graphite heat exchanger of claim 2, wherein: Each of the first magnetic pieces (23) is magnetically attracted to each of the second magnetic pieces (24).
5. A replaceable graphite heat exchanger as claimed in claim 2, wherein: Both of the mounting components (3) include a fixing ring (31) and two limiting slots (34). Both fixing rings (31) are located at the bottom end of the graphite heat exchanger body (4). Two mounting plates (32) are connected to the surface of both fixing rings (31). The bottom ends of the four mounting plates (32) are connected to mounting rods (33). The four limiting slots (34) are respectively opened on the inner side of the four mounting rods (33).
6. The easily replaceable graphite heat exchanger according to claim 5, characterized in that: The longitudinal sections of the four limiting plates (22) and the four limiting slots (34) are all rectangular, and the four limiting plates (22) are respectively engaged and connected with the four limiting slots (34).
7. A replaceable graphite heat exchanger according to claim 5, characterized in that: The surfaces of each pair of mounting rods (33) respectively slide into contact with the inner side of each mounting base (1).