Graphite pipe leakage-proof sealing structure for graphite heat exchanger

Abstract

The utility model relates to the technical field of graphite heat exchangers, and discloses a graphite pipe leakage-proof sealing structure for a graphite heat exchanger. The flange is fixedly arranged at one end of the graphite pipe; the clamping assembly is arranged on the outer wall of the flange; the sealing assembly is arranged on the outer wall of the clamping assembly; the clamping assembly comprises an auxiliary sealing clamping groove ring. By rotating a second rotating hole rod, the second rotating hole rod falls into a ring groove of the other auxiliary sealing clamping groove, a sliding ring slides, the sliding ring drives a connecting groove rod to slide into a groove of a fixed groove block, one side of the connecting groove rod makes contact with a flange, the connecting groove rod makes contact with a sliding insertion rod while sliding, and the sliding insertion rod slides on the inner wall of a fixed sliding hole block; and when the connecting groove rod makes contact with the flange, the spring rebounds to drive the sliding insertion rod to be inserted into a groove of the connecting groove rod, the flange is fixed through the auxiliary sealing clamping groove ring, leakage is prevented, and the effect of preventing the flange from leaking is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of graphite heat exchangers, in particular to a graphite tube leakage-proof sealing structure for a graphite heat exchanger. Background Art

[0002] Graphite heat exchanger is a heat exchanger whose heat transfer components are made of graphite. The graphite used to make the heat exchanger should be impermeable. Impregnated impermeable graphite and pressed impermeable graphite are commonly used. Graphite tube, as the name implies, is a graphite product pressed from high-purity graphite powder through a specific process.

[0003] The graphite tubes on the existing graphite heat exchangers are connected by flanges. After long-term use, the flanges may become loose, which may cause objects in the graphite tubes to leak and affect the normal operation of the graphite heat exchanger. Therefore, a graphite tube leak-proof sealing structure for a graphite heat exchanger is proposed. Utility Model Content

[0004] The utility model aims to provide a graphite tube leak-proof sealing structure for a graphite heat exchanger, so as to solve the above-mentioned problem.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a graphite tube leak-proof sealing structure for a graphite heat exchanger, comprising: a graphite tube; a flange fixedly installed at one end of the graphite tube; a clamping assembly arranged on the outer wall of the flange; and a sealing assembly arranged on the outer wall of the clamping assembly.

[0006] Preferably, the clamping assembly includes: an auxiliary seal clamping groove ring, which is arranged on the outer wall of the graphite tube; a fixed shaft, which is fixedly connected to one side of the auxiliary seal clamping groove ring; and a rotating hole rod, which is arranged on one side of the auxiliary seal clamping groove ring.

[0007] Preferably, the rotating hole rod 1 is rotatably connected to the outer wall of the fixed shaft, a plug-in groove is provided on one side of the rotating hole rod 1, and a fixed hole block 1 is provided on the other end of the rotating hole rod 1.

[0008] Preferably, the fixed hole block 1 is fixedly connected to one side of the auxiliary sealing clamping groove ring, the fixed hole block 1 is adapted to the rotating hole rod 1, the inner wall of the fixed hole block 1 is provided with a pin, the fixed hole block 1 is plugged into the inner wall of the fixed hole block 1, and one end of the pin is adapted to the rotating hole rod 1.

[0009] Preferably, the sealing assembly includes: a second fixed hole block, fixedly connected to the outer wall of the auxiliary sealing clamping groove ring, the inner wall of the second fixed hole block being provided with a rotating shaft; a second rotating hole rod, rotatably connected to the second fixed hole block via the rotating shaft; and a limit plate, arranged at the other end of the second rotating hole rod.

[0010] Preferably, the limit plate is fixedly connected to the other end of the rotating hole rod, the outer wall of the rotating hole rod is slidably connected to a sliding ring, the bottom of the sliding ring is fixedly connected to a connecting groove rod, the bottom of the connecting groove rod is provided with a fixed groove block, and the fixed groove block is fixedly connected to one side of the auxiliary sealing clamping groove ring.

[0011] Preferably, the fixed slot block is adapted to the connecting slot rod, the upper surface of the fixed slot block is fixedly connected with a fixing rod, one side of the fixing rod is fixedly connected with a spring, and the other end of the spring is fixedly connected with a sliding rod.

[0012] Preferably, the other end of the sliding rod is matched with the connecting groove rod, the sliding rod is slidably connected to the inner wall of the fixed sliding hole block, and the fixed sliding hole block is fixedly connected to one side of the auxiliary seal clamping groove ring.

[0013] The utility model provides a graphite tube leak-proof sealing structure for a graphite heat exchanger, which has the following beneficial effects:

[0014] (1) The utility model places an auxiliary seal clamping groove ring on the outer wall of the graphite tube so that one side of the auxiliary seal clamping groove ring fits with the flange, and at the same time, another auxiliary seal clamping groove ring fits with the graphite tube, rotates the rotating hole rod one, and the rotating hole rod one rotates on the outer wall of the fixed shaft, and at the same time, another auxiliary seal clamping groove ring is placed on the outer wall of the auxiliary seal clamping groove ring so that the other end of the rotating hole rod one contacts the fixed hole block one. At this time, a pin is inserted, and one end of the pin passes through the fixed hole block one and is inserted into the rotating hole rod one groove, so that the graphite tube is clamped, thereby achieving the effect of installing the auxiliary seal clamping groove ring.

[0015] (2) The utility model rotates the rotating hole rod 2 so that the rotating hole rod 2 falls into another auxiliary seal clamping groove ring groove, slides the sliding ring, and drives the connecting groove rod to slide into the fixed groove block groove, so that one side of the connecting groove rod contacts the flange. While sliding, the connecting groove rod hits the sliding plug rod, so that the sliding plug rod slides on the inner wall of the fixed sliding hole block. At this time, the spring is squeezed. When the connecting groove rod contacts the flange, the spring rebounds, driving the sliding plug rod to insert into the connecting groove rod groove, so that the auxiliary seal clamping groove ring fixes the flange to prevent leakage, thereby achieving the effect of preventing flange leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the front view of the utility model;

[0017] Figure 2 It is a top view of the utility model;

[0018] Figure 3 This is a view of the clamping assembly of the utility model;

[0019] Figure 4 This is a view of the sealing component of the utility model.

[0020] In the figure: 1 graphite tube, 2 flange, 3 clamping assembly, 4 sealing assembly;

[0021] 311 auxiliary seal clamping groove ring, 312 fixed shaft, 313 rotating hole rod 1, 314 fixed hole block 1, 315 latch;

[0022] 411 fixed hole block 2, 412 rotating hole rod 2, 413 limit plate, 414 sliding ring, 415 connecting slot rod, 416 fixed slot block, 417 fixed rod, 418 spring, 419 sliding plug rod, 420 fixed sliding hole block. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0025] Example 1

[0026] The preferred embodiment of the graphite tube leakage-proof sealing structure for a graphite heat exchanger provided by the utility model is as follows: Figure 1-4 As shown: A graphite tube leak-proof sealing structure for a graphite heat exchanger, comprising: a graphite tube 1; a flange 2 fixedly mounted on one end of the graphite tube 1; a clamping assembly 3 arranged on the outer wall of the flange 2; and a sealing assembly 4 arranged on the outer wall of the clamping assembly 3;

[0027] The clamping assembly 3 includes: an auxiliary seal clamping groove ring 311, which is arranged on the outer wall of the graphite tube 1; a fixed shaft 312, which is fixedly connected to one side of the auxiliary seal clamping groove ring 311; a rotating hole rod 313, which is arranged on one side of the auxiliary seal clamping groove ring 311; the rotating hole rod 313 is rotatably connected to the outer wall of the fixed shaft 312, a plug-in groove is provided on one side of the rotating hole rod 313, and a fixed hole block 314 is provided on the other end of the rotating hole rod 313; the fixed hole block 314 is fixedly connected to one side of the auxiliary seal clamping groove ring 311, the fixed hole block 314 is adapted to the rotating hole rod 313, and a latch 315 is provided on the inner wall of the fixed hole block 314, the fixed hole block 314 is plugged into the inner wall of the fixed hole block 314, and one end of the latch 315 is adapted to the rotating hole rod 313;

[0028] Furthermore, in this embodiment, the auxiliary seal clamping groove ring 311 is placed on the outer wall of the graphite tube 1 so that one side of the auxiliary seal clamping groove ring 311 is fitted with the flange 2, and at the same time, another auxiliary seal clamping groove ring 311 is fitted with the graphite tube 1, and the rotating hole rod 313 is rotated. The rotating hole rod 313 rotates on the outer wall of the fixed shaft 312, and at the same time, another auxiliary seal clamping groove ring 311 is placed on the outer wall of the auxiliary seal clamping groove ring 311 so that the other end of the rotating hole rod 313 contacts the fixed hole block 314. At this time, the pin 315 is inserted, and one end of the pin 315 passes through the fixed hole block 314 and is inserted into the groove of the rotating hole rod 313, so that the graphite tube 1 is clamped. There are two groups of auxiliary seal clamping groove rings 311, one group is two, and they are equidistantly arranged on the outer wall of the graphite tube 1.

[0029] Example 2

[0030] On the basis of Example 1, a preferred embodiment of a graphite tube leak-proof sealing structure for a graphite heat exchanger provided by the utility model is as follows: Figure 1-4 As shown: the sealing assembly 4 includes: a fixed hole block 411, fixedly connected to the outer wall of the auxiliary seal clamping groove ring 311, and a rotating shaft is arranged on the inner wall of the fixed hole block 411; a rotating hole rod 412, rotatably connected to the fixed hole block 411 through the rotating shaft; a limit plate 413, arranged at the other end of the rotating hole rod 412; the limit plate 413 is fixedly connected to the other end of the rotating hole rod 412, and a sliding ring 414 is slidably connected to the outer wall of the rotating hole rod 412, and a connecting groove rod 415 is fixedly connected to the bottom of the sliding ring 414, and a fixed groove rod 415 is arranged at the bottom of the connecting groove rod 415 Groove block 416, fixed groove block 416 is fixedly connected to one side of the auxiliary seal clamping groove ring 311; fixed groove block 416 is matched with connecting groove rod 415, fixed rod 417 is fixedly connected to the upper surface of fixed groove block 416, one side of fixed rod 417 is fixedly connected with spring 418, and the other end of spring 418 is fixedly connected with sliding plug rod 419; the other end of sliding plug rod 419 is matched with connecting groove rod 415, sliding plug rod 419 is slidably connected to the inner wall of fixed sliding hole block 420, and fixed sliding hole block 420 is fixedly connected to one side of the auxiliary seal clamping groove ring 311;

[0031] Furthermore, in this embodiment, by rotating the rotating hole rod 412, the rotating hole rod 412 falls into the groove of another auxiliary seal clamping groove ring 311, and the sliding ring 414 is slid. The sliding ring 414 drives the connecting groove rod 415 to slide into the groove of the fixed groove block 416, so that one side of the connecting groove rod 415 contacts the flange 2. While sliding, the connecting groove rod 415 hits the sliding plug rod 419, so that the sliding plug rod 419 slides on the inner wall of the fixed sliding hole block 420. At this time, the spring 418 is squeezed. When the connecting groove rod 415 contacts the flange 2, the spring 418 rebounds, driving the sliding plug rod 419 to insert into the groove of the connecting groove rod 415, so that the auxiliary seal clamping groove ring 311 fixes the flange 2 to prevent leakage.

[0032] When in use, first place the auxiliary seal clamping groove ring 311 on the outer wall of the graphite tube 1, so that one side of the auxiliary seal clamping groove ring 311 is in contact with the flange 2, and at the same time, another auxiliary seal clamping groove ring 311 is in contact with the graphite tube 1, and the rotating hole rod 313 is rotated. The rotating hole rod 313 rotates on the outer wall of the fixed shaft 312, and at the same time, another auxiliary seal clamping groove ring 311 is placed on the outer wall of the auxiliary seal clamping groove ring 311, so that the other end of the rotating hole rod 313 contacts the fixed hole block 314, and then insert the pin 315, and one end of the pin 315 passes through the fixed hole block 314 and is inserted into the rotating hole rod 313 groove, so that the graphite tube 1 is clamped, and then the rotating hole rod 313 is rotated. Rotate the second hole rod 412 so that the second hole rod 412 falls into the groove of another auxiliary seal clamping groove ring 311, slide the sliding ring 414, and the sliding ring 414 drives the connecting groove rod 415 to slide into the groove of the fixed groove block 416, so that one side of the connecting groove rod 415 contacts the flange 2. While sliding, the connecting groove rod 415 hits the sliding plug rod 419, so that the sliding plug rod 419 slides on the inner wall of the fixed sliding hole block 420. At this time, the spring 418 is squeezed. When the connecting groove rod 415 contacts the flange 2, the spring 418 rebounds, driving the sliding plug rod 419 to insert into the groove of the connecting groove rod 415, so that the auxiliary seal clamping groove ring 311 fixes the flange 2 to prevent leakage.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A graphite tube leak-proof sealing structure for a graphite heat exchanger, characterized in that: include: Graphite tube (1); A flange (2) fixedly mounted on one end of the graphite tube (1); A clamping assembly (3) arranged on the outer wall of the flange (2); A sealing component (4) is arranged on the outer wall of the clamping component (3).

2. The graphite tube leak-proof sealing structure for a graphite heat exchanger according to claim 1, characterized in that: The clamping assembly (3) comprises: An auxiliary sealing clamping groove ring (311) is arranged on the outer wall of the graphite tube (1); A fixed shaft (312) fixedly connected to one side of the auxiliary seal clamping groove ring (311); The rotating hole rod 1 (313) is arranged on one side of the auxiliary seal clamping groove ring (311).

3. The graphite tube leak-proof sealing structure for a graphite heat exchanger according to claim 2, characterized in that: The rotating hole rod (313) is rotatably connected to the outer wall of the fixed shaft (312); a plug-in slot is provided on one side of the rotating hole rod (313); and a fixed hole block (314) is provided on the other end of the rotating hole rod (313).

4. The graphite tube leak-proof sealing structure for a graphite heat exchanger according to claim 3, characterized in that: The fixed hole block 1 (314) is fixedly connected to one side of the auxiliary seal clamping groove ring (311), the fixed hole block 1 (314) is matched with the rotating hole rod 1 (313), the inner wall of the fixed hole block 1 (314) is provided with a latch (315), the fixed hole block 1 (314) is plugged into the inner wall of the fixed hole block 1 (314), and one end of the latch (315) is matched with the rotating hole rod 1 (313).

5. The graphite tube leak-proof sealing structure for a graphite heat exchanger according to claim 1, characterized in that: The sealing component (4) comprises: A second fixed hole block (411) is fixedly connected to the outer wall of the auxiliary seal clamping groove ring (311), and a rotating shaft is arranged on the inner wall of the second fixed hole block (411); The second rotating hole rod (412) is rotatably connected to the second fixed hole block (411) via a rotating shaft; The limiting plate (413) is arranged at the other end of the second rotating hole rod (412).

6. The graphite tube leak-proof sealing structure for a graphite heat exchanger according to claim 5, characterized in that: The limit plate (413) is fixedly connected to the other end of the second rotating hole rod (412); the outer wall of the second rotating hole rod (412) is slidably connected to a sliding ring (414); the bottom of the sliding ring (414) is fixedly connected to a connecting groove rod (415); the bottom of the connecting groove rod (415) is provided with a fixed groove block (416); the fixed groove block (416) is fixedly connected to one side of the auxiliary sealing clamping groove ring (311).

7. The graphite tube leak-proof sealing structure for a graphite heat exchanger according to claim 6, characterized in that: The fixed slot block (416) is adapted to the connecting slot rod (415); a fixed rod (417) is fixedly connected to the upper surface of the fixed slot block (416); a spring (418) is fixedly connected to one side of the fixed rod (417); and a sliding plug rod (419) is fixedly connected to the other end of the spring (418).

8. The graphite tube leak-proof sealing structure for a graphite heat exchanger according to claim 7, characterized in that: The other end of the sliding rod (419) is matched with the connecting groove rod (415), and the sliding rod (419) is slidably connected to the inner wall of the fixed sliding hole block (420), and the fixed sliding hole block (420) is fixedly connected to one side of the auxiliary sealing clamping groove ring (311).

Images