CN223856216U

CN223856216U - Round block hole type graphite heat exchanger with rapid sealing function

Info

Publication number: CN223856216U
Application number: CN202520068130.2U
Authority: CN
Inventors: 钱尉兵; 杨向东; 陈霞; 曹蓉蓉; 徐金华
Original assignee: Nantong Sanxin Carbon Graphite Equipment Co ltd
Current assignee: Nantong Sanxin Carbon Graphite Equipment Co ltd
Priority date: 2025-01-13
Filing date: 2025-01-13
Publication date: 2026-01-30
Anticipated expiration: 2035-01-13

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 end socket and an upper end socket, wherein a shell is arranged between the upper end socket and the lower end socket, limiting rings are fixedly arranged on the surfaces of two sides of the shell, grooves are formed in the limiting rings, and screws are fixedly arranged on the opposite sides of the upper end socket and the lower end socket.

Description

Round block hole type graphite heat exchanger with rapid sealing function

Technical Field

The utility model relates to the technical field of graphite heat exchangers, in particular to a round block hole type graphite heat exchanger with a rapid sealing function.

Background

The graphite heat exchanger is a heat exchanger made of graphite for a heat transfer component, the graphite for manufacturing the heat exchanger is impermeable, the graphite is impregnated with impermeable graphite and compression impermeable graphite, the graphite heat exchanger can be divided into 3 types of block hole type, shell and tube type and plate type according to the structure of the graphite heat exchanger, the block hole type graphite heat exchanger is formed by assembling a plurality of block graphite components with holes, the corrosion resistance of the graphite heat exchanger is good, the heat transfer surface is not easy to scale, the heat transfer performance is good, but the graphite is easy to crack, the bending resistance and the tensile strength are low, so that the graphite heat exchanger can only be used for low pressure, even the block hole type structure with the best bearing capacity is generally only 0.3-0.5 megapascal, the cost of the graphite heat exchanger is high, the volume is large, the graphite heat exchanger is not too much used, the graphite heat exchanger is mainly used for heat exchange of corrosive mediums such as hydrochloric acid, sulfuric acid, acetic acid, phosphoric acid and the like, the condenser is used as acetic anhydride, and the like, and the prior patent publication number CN117685814A discloses an anti-corrosion round block hole type graphite heat exchanger, and the technical field of the graphite heat exchanger. The double-phase anti-corrosion round block hole type graphite heat exchanger comprises a heat exchanger body, wherein a feeding pipe is connected to the top and the bottom of the heat exchanger body through bolts, a water inlet pipe is fixedly connected to the side face of the heat exchanger body, a double-phase anti-corrosion layer is arranged on the surface of the heat exchanger body, and a protection component is arranged at the bottom of the heat exchanger body. This two-phase anticorrosive circle piece hole type graphite heat exchanger when needing to let in a large amount of coolant liquid and carrying out the cooling operation for coolant liquid velocity of flow in the inlet tube becomes fast, cooperates impeller, power pole one, pipeline, gravity post, elastic rod one, atress board, atmospheric pressure storehouse, push pedal, atress pole, hydraulic pressure storehouse and transfer line, makes the sealing washer remove to the heat exchanger body and the pan feeding pipe between the position, has improved under this circumstances, the heat exchanger body and the protection effect of pan feeding pipe junction.

In view of the above related art, the inventor considers that there is a defect that in the practical application process, the connection between the components can cause poor tightness, so that the heat exchanger leaks, the danger of the heat exchanger in operation is increased, and meanwhile, the heat exchange efficiency of the heat exchanger is reduced, and the use of staff is affected, so that we propose a round block hole type graphite heat exchanger with a rapid sealing function to solve the problems.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a round block hole type graphite heat exchanger with a rapid sealing function, and solves the problems in the prior art.

The round block hole type graphite heat exchanger with the rapid sealing function comprises a lower end socket and an upper end socket, a shell is arranged between the upper end socket and the lower end socket, limiting rings are fixedly arranged on the surfaces of two sides of the shell, grooves are formed in the limiting rings, screw rods are fixedly arranged on the opposite sides of the upper end socket and the lower end socket, one end of each screw rod penetrates through the grooves and extends to the outside of the corresponding groove, and nuts are connected to the surfaces of the screw rods in a threaded mode.

Annular grooves are formed in one sides of the upper seal head and the lower seal head, a protection ring is fixedly arranged on the inner wall of the annular groove, and a buffer ring is fixedly arranged in the protection ring and positioned on the inner bottom wall of the annular groove.

Preferably, the surface of the screw rod is sleeved with an anti-slip ring, one side of the anti-slip ring is contacted with one side of the nut, the other side of the anti-slip ring is contacted with one side of the limiting ring, and the inner wall of the groove is in sliding connection with the surface of the screw rod.

Preferably, a sealing ring is inserted on the screw rod, a round hole for the screw rod to pass through is formed in the sealing ring, and the inner wall of the round hole is in sliding connection with the surface of the screw rod.

Preferably, positioning rings are arranged on two sides of the shell, one side of each positioning ring is in contact with one side of the shell, the other side of each positioning ring is in contact with one side of the upper seal head or the lower seal head, and the positioning rings are matched with the annular grooves.

Preferably, the bottom of the lower seal head is communicated with a connecting pipe, the surface of the connecting pipe is communicated with a one-way valve, and one side of the one-way valve is contacted with one side of the bottom of the lower seal head.

Preferably, one side of the upper end socket and one side of the lower end socket are respectively communicated with a transverse pipe, and the two transverse pipes are respectively positioned in the middle of the lower end socket and the middle of the upper end socket.

Preferably, the two sides of the shell are communicated with heat exchange tubes, and the two heat exchange tubes are respectively positioned above and below the shell.

Advantageous effects

The utility model provides a round block hole type graphite heat exchanger with a rapid sealing function. Compared with the prior art, the method has the following beneficial effects:

This quick sealing function's circle piece hole formula graphite heat exchanger, through spacing ring and the screw rod that sets up, at the in-process accessible screw nut of using, make protection ring and buffer ring and one side contact of retainer plate afterwards to this leakproofness that has increased between casing and upper cover and the low head, it is not good to avoid causing the leakproofness of part in the in-process of using, avoids the heat exchanger to produce and leaks, has reduced the danger of heat exchanger during operation, has also improved the heat exchange efficiency of this heat exchanger simultaneously, makes things convenient for staff's use.

Meanwhile, through the anti-slip ring, the connection firmness between the parts is increased in the use process, sliding between the parts is avoided in the use process, and therefore the connection tightness between the parts is improved, and the use of subsequent workers is facilitated.

Drawings

Fig. 1 is a schematic perspective view of a first view of the present utility model.

Fig. 2 is a schematic view of a second perspective structure of the present utility model.

FIG. 3 is an enlarged schematic view of the structure A in FIG. 1 according to the present utility model.

Fig. 4 is an enlarged schematic view of the structure at B in fig. 2 according to the present utility model.

In the figure, 1, a lower seal head; 2, an upper sealing head, 3, a shell, 4, a limiting ring, 5, a screw rod, 6, a nut, 7, a protecting ring, 8, a buffer ring, 9, an anti-slip ring, 10, a sealing ring, 11, a positioning ring, 12, a connecting pipe, 13, a one-way valve, 14, a transverse pipe, 15 and a heat exchange pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model provides a technical scheme that the round block hole type graphite heat exchanger with a rapid sealing function comprises a lower seal head 1 and an upper seal head 2, a shell 3 is arranged between the upper seal head 2 and the lower seal head 1, limiting rings 4 are fixedly arranged on the surfaces of two sides of the shell 3, grooves are formed in the limiting rings 4, screw rods 5 are fixedly arranged on the opposite sides of the upper seal head 2 and the lower seal head 1, one end of each screw rod 5 penetrates through the grooves and extends to the outside of the grooves, and nuts 6 are connected to the surfaces of the screw rods 5 in a threaded mode.

Annular grooves are formed in one side of the upper seal head 2 and one side of the lower seal head 1, a protection ring 7 is fixedly arranged on the inner wall of the annular groove, and a buffer ring 8 is fixedly arranged in the protection ring 7 and positioned on the inner bottom wall of the annular groove.

Referring to fig. 3, the surface cover of screw rod 5 is equipped with anti-skidding circle 9, and one side of anti-skidding circle 9 contacts with one side of nut 6, and the opposite side of anti-skidding circle 9 contacts with one side of spacing ring 4, and the inner wall of recess and the surface sliding connection of screw rod 5, anti-skidding circle 9 of setting increase the connection firmness between the parts in the in-process of using, avoid producing the slip between the parts in the in-process of using to increased the connection leakproofness between the parts, the use of follow-up staff of being convenient for.

Referring to fig. 3, a sealing ring 10 is inserted on the screw 5, a round hole for the screw 5 to pass through is formed in the sealing ring 10, and the inner wall of the round hole is in sliding connection with the surface of the screw 5.

Referring to fig. 4, positioning rings 11 are arranged on two sides of the shell 3, one side of the positioning rings 11 is in contact with one side of the shell 3, the other side of the positioning rings 11 is in contact with one side of the upper end enclosure 2 or the lower end enclosure 1, the positioning rings 11 are matched with the annular grooves, the limiting rings 4 and the screw 5 are arranged, the nuts 6 can be screwed down in the using process, then the protecting rings 7 and the buffer rings 8 are in contact with one side of the positioning rings 11, so that the tightness between the shell 3 and the upper end enclosure 2 and the lower end enclosure 1 is improved, the poor tightness of parts caused in the using process is avoided, the heat exchanger is prevented from leaking, the danger of the heat exchanger during working is reduced, the heat exchange efficiency of the heat exchanger is improved, and the use of workers is facilitated.

Referring to fig. 1, the bottom of the lower seal 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 contacted with one side of the bottom of the lower seal head 1.

Referring to fig. 1, one side of the upper seal head 2 and one side of the lower seal head 1 are both communicated with a transverse pipe 14, and the two transverse pipes 14 are respectively positioned in the middle of the lower seal head 1 and the upper seal head 2.

Referring to fig. 1, two sides of the housing 3 are respectively connected with heat exchange tubes 15, and the two heat exchange tubes 15 are respectively located above and below the housing 3.

During operation, the limiting ring 4 and the screw rod 5 are arranged, the nut 6 is screwed down in the using process, and then the protecting ring 7 and the buffer ring 8 are contacted with one side of the positioning ring 11, so that the tightness between the shell 3 and the upper end socket 2 and the lower end socket 1 is increased, the situation that the tightness of parts is poor in the using process is avoided, the heat exchanger is prevented from leaking, the danger of the heat exchanger during operation is reduced, meanwhile, the heat exchange efficiency of the heat exchanger is also improved, the use of workers is facilitated, the anti-slip ring 9 is arranged, the connection firmness between the parts is increased in the using process, the sliding between the parts is avoided, the connection tightness between the parts is increased, and the use of the subsequent workers is facilitated.

And all that is not described in detail in this specification is well known to those skilled in the art.

Claims

1. A circular block-type graphite heat exchanger with a rapid sealing function, comprising a lower end cap (1) and an upper end cap (2), characterized in that: a shell (3) is provided between the upper end cap (2) and the lower end cap (1), and a limiting ring (4) is fixedly installed on both sides of the shell (3), the limiting ring (4) is provided with a groove, and a screw (5) is fixedly installed on the opposite side of the upper end cap (2) and the lower end cap (1), one end of the screw (5) passes through the groove and extends to the outside of the groove, and a nut (6) is threadedly connected to the surface of the screw (5);

An annular groove is provided on one side of both the upper end cap (2) and the lower end cap (1). A protective ring (7) is fixedly installed on the inner wall of the annular groove. A buffer ring (8) is fixedly installed inside the protective ring (7) and on the inner bottom wall of the annular groove.

2. A circular block-type graphite heat exchanger with a rapid sealing function according to claim 1, characterized in that: an anti-slip ring (9) is sleeved on the surface of the screw (5), one side of the anti-slip ring (9) contacts one side of the nut (6), the other side of the anti-slip ring (9) contacts one side of the limiting ring (4), and the inner wall of the groove is slidably connected to the surface of the screw (5).

3. A circular block-type graphite heat exchanger with a rapid sealing function according to claim 1, characterized in that: a sealing ring (10) is inserted on the screw (5), and a circular hole is opened on the sealing ring (10) for the screw (5) to pass through, and the inner wall of the circular hole is slidably connected to the surface of the screw (5).

4. A circular block-type graphite heat exchanger with a rapid sealing function according to claim 1, characterized in that: a positioning ring (11) is provided on both sides of the shell (3), 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 end cap (2) or the lower end cap (1), and the positioning ring (11) is adapted to the annular groove.

5. A circular block-type graphite heat exchanger with a rapid sealing function according to claim 1, characterized in that: the bottom of the lower end cap (1) is connected to a connecting pipe (12), the surface of the connecting pipe (12) is connected to 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 end cap (1).

6. A circular block-type graphite heat exchanger with a rapid sealing function according to claim 1, characterized in that: a horizontal pipe (14) is connected to one side of both the upper end cap (2) and the lower end cap (1), and the two horizontal pipes (14) are located in the middle of the lower end cap (1) and the upper end cap (2), respectively.

7. A circular block-type graphite heat exchanger with a rapid sealing function according to claim 1, characterized in that: heat exchange tubes (15) are connected to both sides of the shell (3), and the two heat exchange tubes (15) are located above and below the shell (3) respectively.