Round block hole type graphite heat exchanger with quick sealing function

Abstract

The utility model discloses a round block hole type graphite heat exchanger with a rapid sealing function, and relates to the technical field of graphite heat exchangers. The round block hole type graphite heat exchanger with the rapid sealing function comprises a lower sealing head and an upper sealing head, a shell is arranged between the upper sealing head and the lower sealing head, limiting rings are fixedly installed on the surfaces of the two sides of the shell, grooves are formed in the limiting rings, screws are fixedly installed on the opposite sides of the upper sealing head and the lower sealing head, and the screws are connected with the limiting rings through screws. By arranging the limiting ring and the screw rod, in the using process, the nut can be tightened, and then the protective ring and the buffer ring make contact with one side of the positioning ring, so that the sealing performance between the shell and the upper end socket and the lower end socket is improved, and the situation that in the using process, the sealing performance of parts is poor is avoided; leakage of the heat exchanger is avoided, the danger of the heat exchanger during working is reduced, meanwhile, the heat exchange efficiency of the heat exchanger is improved, and workers can use the heat exchanger conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to graphite heat exchanger technical field, concretely to a kind of round block hole type graphite heat exchanger of quick sealing function. BACKGROUND

[0002] Graphite heat exchanger is the heat exchanger made of graphite for heat transfer component, the graphite for manufacturing heat exchanger should have impermeability, commonly used impregnation type impermeable graphite and profiled impermeable graphite, graphite heat exchanger can be divided into block hole type, shell-and-tube type and plate type according to its structure, block hole type: by a plurality of block graphite components with hole assembly, graphite heat exchanger has good corrosion resistance, heat transfer surface is not easy to scale, and heat transfer performance is good, but graphite is easy to brittle crack, and low bending and tensile strength, so it can only be used for low pressure, even if the best pressure-bearing capacity block hole structure, its working pressure is generally only 0.3~0.5 megapascal, graphite heat exchanger is high in cost, large in size, and less used, and it is mainly used for heat exchange of corrosive media such as hydrochloric acid, sulfuric acid, acetic acid and phosphoric acid, such as used as condenser of acetic acid and acetic anhydride, the existing patent, patent announcement No.CN117685814A discloses a kind of two-phase anticorrosion round block hole type graphite heat exchanger, and relates to the technical field of graphite heat exchanger.The two-phase anticorrosion round block hole type graphite heat exchanger, including heat exchanger body, the top and bottom of the heat exchanger body are connected with inlet pipe by bolt, the side surface of the heat exchanger body is fixedly connected with water inlet pipe, the surface of the heat exchanger body is provided with two-phase anticorrosion layer, the bottom of the heat exchanger body is provided with protection assembly.The two-phase anticorrosion round block hole type graphite heat exchanger, when a large amount of cooling liquid needs to be introduced for cooling operation, the cooling liquid flow rate in the water inlet pipe is increased, and the impeller, power rod one, pipeline, gravity column, elastic rod one, stress plate, air pressure bin, push plate, stress rod, hydraulic bin and transmission rod are matched to move the sealing ring to the position between the heat exchanger body and the inlet pipe, thereby improving the protection effect of the connection between the heat exchanger body and the inlet pipe in this case.

[0003] For the related technology in the above, the inventor believes that the following defects exist: in the actual application process, the connection between parts can cause poor sealing, thereby causing the heat exchanger to leak, increasing the risk of the heat exchanger during operation, and also reducing the heat exchange efficiency of the heat exchanger, affecting the use of workers, so we propose a kind of round block hole type graphite heat exchanger with quick sealing function to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a kind of round block hole type graphite heat exchanger with quick sealing function, to solve the problems raised in the above background art.

[0005] To achieve the above object, the utility model discloses a kind of round block hole type graphite heat exchangers of quick sealing function, including lower head and upper head, shell is arranged between the upper head and lower head, the surface of both sides of shell is fixedly installed with limit ring, recess is opened in limit ring, upper head and lower head are fixedly installed with screw rod on the side opposite to each other, one end of screw rod penetrates recess and extends to the outside of recess, and nut is threadedly connected on the surface of screw rod.

[0006] The side of the upper head and the lower head is provided with an annular groove, and the inner wall of the annular groove is fixedly installed with a protective ring. The inner bottom wall of the protective ring is fixedly installed with a buffer ring.

[0007] Preferably, the surface of the screw rod is sleeved with an anti-skid ring. One side of the anti-skid ring is in contact with one side of the nut, and the other side of the anti-skid ring is in contact with one side of the limit ring. The inner wall of the recess is slidingly connected with the surface of the screw rod.

[0008] Preferably, a sealing ring is inserted on the screw rod. A circular hole is opened on the sealing ring for the screw rod to pass through. The inner wall of the circular hole is slidingly connected with the surface of the screw rod.

[0009] Preferably, the two sides of the shell are provided with positioning rings. One side of the positioning ring is in contact with one side of the shell, and the other side of the positioning ring is in contact with one side of the upper head or the lower head. The positioning ring is matched with the annular groove.

[0010] Preferably, the bottom of the lower head is communicated with a connecting pipe. The surface of the connecting pipe is communicated with a one-way valve. One side of the one-way valve is in contact with one side of the bottom of the lower head.

[0011] Preferably, the side of the upper head and the lower head is communicated with a horizontal pipe. The two horizontal pipes are respectively located at the middle part of the lower head and the upper head.

[0012] Preferably, the two sides of the shell are communicated with heat exchange pipes. The two heat exchange pipes are respectively located above and below the shell. Advantages

[0013] The utility model provides a kind of round block hole type graphite heat exchanger of quick sealing function. Compared with prior art, it has the following advantages:

[0014] The round block hole type graphite heat exchanger of quick sealing function is provided with a limit ring and a screw rod. By tightening the nut during use, the protective ring and the buffer ring are in contact with one side of the positioning ring. This increases the sealing property between the shell and the upper head and the lower head, avoids poor sealing property of components during use, avoids leakage of the heat exchanger, reduces the risk of the heat exchanger during work, improves the heat exchange efficiency of the heat exchanger, and facilitates the use of staff.

[0015] Meanwhile, the anti-skid ring is arranged, so that the connection firmness between the components is improved during use, the components are prevented from sliding during use, the connection sealing between the components is improved, and the subsequent use of the staff is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a first perspective view of the utility model.

[0017] Figure 2 It is a second perspective view of the utility model.

[0018] Figure 3 It is the utility model Figure 1 A structure enlarged view of the utility model.

[0019] Figure 4 It is the utility model Figure 2 A structure enlarged view of the utility model.

[0020] In the figure: 1, lower head; 2, upper head; 3, shell; 4, limit ring; 5, screw rod; 6, nut; 7, protective ring; 8, buffer ring; 9, anti-skid ring; 10, sealing ring; 11, positioning ring; 12, connecting pipe; 13, check valve; 14, cross pipe; 15, heat exchange pipe. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a kind of technical solutions: a round block hole type graphite heat exchanger of quick sealing function, including lower head 1 and upper head 2, upper head 2 and lower head 1 between being provided with shell 3, the surface of both sides of shell 3 is fixedly installed with limit ring 4, recess is opened in limit ring 4, upper head 2 and lower head 1 relative side are fixedly installed with screw rod 5, one end of screw rod 5 penetrates recess and extends to the outside of recess, and the surface of screw rod 5 is connected with nut 6 by screw thread.

[0023] The side of upper head 2 and lower head 1 is opened with annular groove, annular groove inner wall is fixedly installed with protective ring 7, and protective ring 7 is fixedly installed with buffer ring 8 in the inner bottom wall of annular groove.

[0024] Please refer to Figure 3The surface of the screw rod 5 is sleeved with an anti-skid ring 9, one side of the anti-skid ring 9 is in contact with one side of the nut 6, the other side of the anti-skid ring 9 is in contact with one side of the limiting ring 4, the inner wall of the groove is in sliding connection with the surface of the screw rod 5, the anti-skid ring 9 is arranged, which increases the connection firmness between components during use, avoids sliding between components during use, thereby increasing the connection sealing property between components, and facilitating the use of subsequent workers.

[0025] Referring to Figure 3 The sealing ring 10 is inserted on the screw rod 5, the sealing ring 10 is provided with a circular hole for the screw rod 5 to pass through, and the inner wall of the circular hole is in sliding connection with the surface of the screw rod 5.

[0026] Referring to Figure 4 The housing 3 is provided with a positioning ring 11 on each side, one side of the positioning ring 11 is in contact with one side of the housing 3, the other side of the positioning ring 11 is in contact with one side of the upper head 2 or the lower head 1, and the positioning ring 11 is matched with the annular groove, the limiting ring 4 and the screw rod 5 are arranged, in use, the nut 6 is tightened, then the protective ring 7 and the buffer ring 8 are in contact with one side of the positioning ring 11, thereby increasing the sealing property between the housing 3 and the upper head 2 and the lower head 1, avoiding poor sealing property of components during use, avoiding leakage of the heat exchanger, reducing the danger of the heat exchanger during work, improving the heat exchange efficiency of the heat exchanger, and facilitating the use of workers.

[0027] Referring to Figure 1 The lower head 1 is communicated with a connecting pipe 12 at the bottom, the surface of the connecting pipe 12 is communicated with a one-way valve 13, and one side of the one-way valve 13 is in contact with one side of the bottom of the lower head 1.

[0028] Referring to Figure 1 The upper head 2 and the lower head 1 are communicated with a horizontal pipe 14 on each side, and the two horizontal pipes 14 are located at the middle parts of the lower head 1 and the upper head 2 respectively.

[0029] Referring to Figure 1 The housing 3 is communicated with a heat exchange pipe 15 on each side, and the two heat exchange pipes 15 are located above and below the housing 3 respectively.

[0030] When working, the limiting ring 4 and the screw rod 5 are arranged, in the process of use, the nut 6 can be tightened, then the protective ring 7 and the buffer ring 8 are in contact with one side of the positioning ring 11, so that the sealing property between the shell 3 and the upper head 2 and the lower head 1 is increased, the sealing property of the components is avoided to be poor in the process of use, the heat exchanger is avoided to produce leakage, the danger of the heat exchanger in working is reduced, meanwhile the heat exchange efficiency of the heat exchanger is improved, the use of the staff is facilitated, the anti-skid ring 9 is arranged, in the process of use, the connection firmness between the components is increased, the components are avoided to produce sliding in the process of use, so that the connection sealing property between the components is increased, the use of the subsequent staff is facilitated.

[0031] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by the person skilled in the art.

Claims

1. A round block hole type graphite heat exchanger with quick sealing function, comprising a lower head (1) and an upper head (2), characterized in that: The upper head (2) and the lower head (1) are provided with a shell (3), the surfaces of the two sides of the shell (3) are fixedly installed with limiting rings (4), grooves are formed in the limiting rings (4), the opposite sides of the upper head (2) and the lower head (1) are fixedly installed with screw rods (5), one end of the screw rod (5) penetrates through the groove and extends to the outside of the groove, and the surface of the screw rod (5) is threadedly connected with a nut (6). The side of the upper head (2) and the lower head (1) is provided with an annular groove, the inner wall of the annular groove is fixedly installed with a protective ring (7), and the inner bottom wall of the annular groove is fixedly installed with a buffer ring (8).

2. The circular block hole type graphite heat exchanger with quick sealing function according to claim 1, characterized in that: The surface of the screw rod (5) is sleeved with an anti-skid ring (9), one side of the anti-skid ring (9) is in contact with one side of the nut (6), the other side of the anti-skid ring (9) is in contact with one side of the limiting ring (4), and the inner wall of the groove is in sliding connection with the surface of the screw rod (5).

3. The circular block hole type graphite heat exchanger with quick sealing function according to claim 1, characterized in that: The screw rod (5) is inserted with a sealing ring (10), the sealing ring (10) is provided with a circular hole for the screw rod (5) to pass through, and the inner wall of the circular hole is in sliding connection with the surface of the screw rod (5).

4. The circular block hole-type graphite heat exchanger with quick sealing function according to claim 1, characterized in that: The two sides of the shell (3) are provided with positioning rings (11), one side of the positioning ring (11) is in contact with one side of the shell (3), the other side of the positioning ring (11) is in contact with one side of the upper head (2) or the lower head (1), and the positioning ring (11) is matched with the annular groove.

5. The circular block hole-type graphite heat exchanger with quick sealing function according to claim 1, characterized in that: The bottom of the lower head (1) is communicated with a connecting pipe (12), the surface of the connecting pipe (12) is communicated with a one-way valve (13), and one side of the one-way valve (13) is in contact with one side of the bottom of the lower head (1).

6. The circular block hole-type graphite heat exchanger with quick sealing function according to claim 1, characterized in that: The side of the upper head (2) and the lower head (1) is communicated with a horizontal pipe (14), and the two horizontal pipes (14) are located at the middle parts of the lower head (1) and the upper head (2) respectively.

7. The circular block hole-type graphite heat exchanger with quick sealing function according to claim 1, characterized in that: The two sides of the shell (3) are communicated with heat exchange pipes (15), and the two heat exchange pipes (15) are located above and below the shell (3) respectively.

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