CN213021185U

CN213021185U - Round block hole type graphite heat exchanger with double-sealing structure

Info

Publication number: CN213021185U
Application number: CN202021869535.XU
Authority: CN
Inventors: 周伟; 姜成林; 王根荣
Original assignee: Shandong Xinbo'ao Anticorrosion Equipment Co ltd
Current assignee: Shandong Xinbo'ao Anticorrosion Equipment Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-04-20
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a round block hole type graphite heat exchanger with a double-sealing structure, which comprises a shell, wherein a graphite heat exchange block is arranged in the shell, connecting grooves are arranged at both ends of the graphite heat exchange block, and connecting heads are inserted in the inner sides of the connecting grooves; through setting up spread groove and connection head, be convenient for fix a position when making graphite heat transfer piece and graphite heat transfer piece connect between two liang, and then reduce the connection deviation, thereby the leakproofness of connection has been increased, through set up polytetrafluoroethylene seal gasket between connection head and graphite heat transfer piece, increase the leakproofness between graphite heat transfer piece and the connection head, through setting up the polytetrafluoroethylene sealing washer in connection head and graphite heat transfer piece outside, carry out double seal between graphite heat transfer piece and the graphite heat transfer piece, reduce the risk of infiltration when being applied to the material of high toxicity or extreme harm grade, the effect that improves the sealing performance between the graphite heat transfer piece has been reached.

Description

Round block hole type graphite heat exchanger with double-sealing structure

Technical Field

The utility model relates to a graphite heat exchanger technical field specifically is a circle piece cellular type graphite heat exchanger of double containment structure.

Background

A graphite heat exchanger: heat exchange equipment manufactured by taking impermeable graphite as a base material; the graphite heat exchanger is a most-used and relatively typical chemical unit device in graphite equipment; the graphite heat exchanger is divided into a plurality of forms such as a tube type, a block hole type, a spray type, an immersion type and the like according to the structural form, wherein the tube type and block hole type graphite heat exchangers are most widely applied; according to their application in the technological process, they can be divided into several kinds of evaporator, heater, cooler and condenser; the block-hole type graphite heat exchanger has two types of circular block-hole type and rectangular block-hole type, which are formed by stacking graphite heat exchange blocks, two ends of which are provided with graphite end sockets for guiding corrosive media, and the graphite end sockets are generally provided with metal shells (circular block-hole type) or flat plates (rectangular block type) at two sides for collecting heat carriers, wherein the graphite heat exchange blocks are standard parts which are processed with two channels which are not communicated with each other on impermeable graphite blocks, and materials flowing through the two channels are subjected to partition-type heat transfer through partition walls which are remained on the graphite blocks between the channels; the two channels are mostly perpendicular to each other in space, but also parallel to each other or oblique in space; the block hole type graphite heat exchanger has the advantages of high structural strength, good durability, capability of bearing certain thermal shock and water hammer shock and difficulty in damage; the structure is compact, and the occupied area is small; the parts have good universality, and are assembled by adopting standard parts in a building block mode, so that the parts are convenient to manufacture, disassemble, assemble and maintain; no adhesive is used, so that the use temperature can be increased, and the service life can be prolonged.

However, because a single sealing structure is used between the graphite heat exchange blocks, when the graphite heat exchange blocks are applied to materials with high toxicity or extremely harmful grades, the risk of micro-permeation still exists, and therefore, a round block hole type graphite heat exchanger with a double sealing structure is needed, so that the sealing performance is improved.

Disclosure of Invention

An object of the utility model is to provide a circle piece cellular type graphite heat exchanger of double containment structure to what put forward in solving above-mentioned background art is because the single seal structure that uses between its graphite heat transfer piece, still has the problem of the risk of trace infiltration when being applied to the material of high toxicity or extremely harm grade.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a circle piece cellular type graphite heat exchanger of double containment structure, includes the shell, the inside graphite heat transfer piece that is provided with of shell, the spread groove has all been seted up at graphite heat transfer piece both ends, it has the connection head to peg graft in the spread groove inboard, graphite heat transfer piece is two liang between through polytetrafluoroethylene sealing washer fixed connection, all be provided with polytetrafluoroethylene seal gasket between graphite heat transfer piece and the connection head.

As a further aspect of the present invention: the shell outside is provided with first inlet pipe and second inlet pipe, shell top fixedly connected with graphite head, the border on graphite head top evenly is provided with pressure spring through the pin.

As a further aspect of the present invention: the connecting groove and the connecting end enclosure are matched with each other.

As a further aspect of the present invention: the shell outside corresponds first inlet pipe and second inlet pipe fixedly connected with discharge tube mouth.

As a further aspect of the present invention: and a through hole is formed in the connecting end socket corresponding to the graphite heat exchange block.

Compared with the prior art, the beneficial effects of the utility model are that:

through setting up spread groove and connection head, be convenient for fix a position when making graphite heat transfer piece and graphite heat transfer piece connect between two liang, and then reduce the connection deviation, thereby the leakproofness of connection has been increased, through set up polytetrafluoroethylene seal gasket between connection head and graphite heat transfer piece, increase the leakproofness between graphite heat transfer piece and the connection head, through setting up the polytetrafluoroethylene sealing washer in connection head and graphite heat transfer piece outside, carry out double seal between graphite heat transfer piece and the graphite heat transfer piece, reduce the risk of infiltration when being applied to the material of high toxicity or extreme harm grade, the effect that improves the sealing performance between the graphite heat transfer piece has been reached.

Drawings

FIG. 1 is a schematic structural diagram of a round block hole type graphite heat exchanger with a double-sealing structure;

FIG. 2 is a schematic view of the connection structure of graphite heat exchange blocks in a round block hole type graphite heat exchanger with a double-sealing structure;

fig. 3 is a schematic perspective view of a round block hole type graphite heat exchanger with a double-sealing structure.

In the figure: the device comprises a shell 1, a graphite heat exchange block 2, a polytetrafluoroethylene sealing ring 3, a connecting groove 4, a connecting seal head 5, a first feeding pipe 6, a second feeding pipe 7, a graphite seal head 8, a pin 9, a pressure spring 10 and a polytetrafluoroethylene sealing gasket 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, in the embodiment of the present invention, a round block cellular graphite heat exchanger with a dual sealing structure comprises a housing 1, a graphite heat exchange block 2 is disposed inside the housing 1, two ends of the graphite heat exchange block 2 are both provided with connecting grooves 4, connecting heads 5 are inserted into the inner sides of the connecting grooves 4, the graphite heat exchange block 2 and the graphite heat exchange block 2 are conveniently positioned when being connected by the connecting grooves 4 and the connecting heads 5, thereby reducing connection deviation, and increasing sealing performance of connection, the graphite heat exchange blocks 2 are fixedly connected by polytetrafluoroethylene sealing rings 3, and double sealing is performed between the graphite heat exchange block 2 and the graphite heat exchange block 2, so as to reduce risk of permeation when being applied to high-toxicity or extremely harmful materials, and achieve the effect of improving sealing performance between the graphite heat exchange blocks 2, polytetrafluoroethylene sealing gaskets 11 are disposed between the graphite heat exchange block 2 and the connecting heads 5, the sealing performance between the graphite heat exchange block 2 and the connecting seal head 5 is improved by arranging the polytetrafluoroethylene sealing gasket 11 between the connecting seal head 5 and the graphite heat exchange block 2.

Preferably, the shell 1 outside is provided with first inlet pipe 6 and second inlet pipe 7, 1 top fixedly connected with graphite head 8 of shell, the border on graphite head 8 top evenly is provided with pressure spring 10 through pin 9, shock resistance is strong, spread groove 4 and connection head 5 match each other, be convenient for fix a position when making graphite heat transfer piece 2 and graphite heat transfer piece 2 connect between two liang, and then reduce the connection deviation, thereby the leakproofness of connection has been increased, the shell 1 outside corresponds first inlet pipe 6 and the 7 fixedly connected with ejection of compact mouth of pipe of second inlet pipe, last material is discharged from the discharge gate that first inlet pipe 6 and second inlet pipe 7 correspond, connection head 5 inside corresponds graphite heat transfer piece 2 has seted up the through-hole, make and cause work between graphite heat transfer piece 2 and the graphite heat transfer piece 2.

The utility model discloses a theory of operation is: when in use, different materials respectively enter the shell 1 through the first feeding pipe 6 and the second feeding pipe 7, the graphite heat exchange block 2 is arranged in the shell 1, a plurality of circular hole flow channels which are parallel to the axis and vertical to the axis are arranged on the graphite heat exchange block 2, wherein the radial flow channels are positioned in the middle of the intervals of the axial flow channels, one medium flows along the axial flow channels, the other medium flows in a baffling way along the radial flow channels, the two ends of the graphite heat exchange block 2 are respectively provided with the connecting grooves 4, the graphite heat exchange block 2 and the graphite heat exchange block 2 are convenient to position when being connected in pairs, so that the connection deviation is reduced, the connection tightness is increased, the polytetrafluoroethylene sealing gasket 11 is arranged between the connecting seal head 5 and the graphite heat exchange block 2, the tightness between the graphite heat exchange block 2 and the connecting seal head 5 is increased, when the graphite heat exchange block is applied to materials with high toxicity or extreme, the polytetrafluoroethylene sealing ring 3 outside connecting head 5 and graphite heat exchange block 2 carries out double sealing to between graphite heat exchange block 2 and the graphite heat exchange block 2, has reduced the risk of infiltration, has reached the effect that improves the sealing performance between the graphite heat exchange block 2, and the discharge gate that the last material corresponds from first inlet pipe 6 and second inlet pipe 7 is discharged.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A round block hole type graphite heat exchanger with a double-sealing structure comprises a shell (1), and is characterized in that: the utility model discloses a graphite heat transfer heat exchanger, including shell (1), graphite heat transfer piece (2), spread groove (4) have all been seted up at graphite heat transfer piece (2) both ends, it has connecting head (5) to peg graft in spread groove (4) inboard, graphite heat transfer piece (2) are two liang between through polytetrafluoroethylene sealing washer (3) fixed connection, all be provided with polytetrafluoroethylene seal gasket (11) between graphite heat transfer piece (2) and connecting head (5).

2. The round block-hole type graphite heat exchanger of a dual sealing structure as claimed in claim 1, wherein: the shell (1) outside is provided with first inlet pipe (6) and second inlet pipe (7), shell (1) top fixedly connected with graphite head (8), the border on graphite head (8) top evenly is provided with pressure spring (10) through pin (9).

3. The round block-hole type graphite heat exchanger of a dual sealing structure as claimed in claim 1, wherein: the connecting groove (4) and the connecting end enclosure (5) are matched with each other.

4. The round block-hole type graphite heat exchanger of a dual sealing structure as claimed in claim 1, wherein: the outer side of the shell (1) corresponds to the discharge pipe openings of the first feeding pipe (6) and the second feeding pipe (7).

5. The round block-hole type graphite heat exchanger of a dual sealing structure as claimed in claim 1, wherein: the connecting end socket (5) is internally provided with a through hole corresponding to the graphite heat exchange block (2).