CN211010189U

CN211010189U - Seal structure and reation kettle

Info

Publication number: CN211010189U
Application number: CN201922108031.XU
Authority: CN
Inventors: 王汉平; 罗冀; 茅陆荣
Original assignee: Shanghai Morimatsu Pressure Vessel Co ltd
Current assignee: Shanghai Senyong Engineering Equipment Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-07-14
Anticipated expiration: 2029-11-29

Abstract

The utility model belongs to the technical field of chemical industry equipment, a seal structure and reation kettle are disclosed, this seal structure is used for the extension tube of container and the sealed between the jar body, include: the head end of the outer pipe is connected to the tank body in a sealing mode, a stepped hole is formed in the outer pipe, and the extension pipe extends out of the stepped hole; the inner cup, the inner cup is located in the outer tube, be equipped with the connecting hole in the inner cup, the connecting hole is the through-hole, it passes to stretch out the tub sealed the connecting hole sets up, the end face sealing connection of inner cup in the step face of shoulder hole. Through the structure, the sealing structure can be disassembled and assembled together with the extension pipe of the container, so that the disassembly and the assembly of the sealing part of the container are facilitated, and the labor intensity of operators is reduced.

Description

Seal structure and reation kettle

Technical Field

The utility model relates to a chemical industry equipment technical field especially relates to a seal structure and reation kettle.

Background

In chemical equipment, an extension pipe of a reaction kettle needs to be hermetically connected with a pipeline of adjacent equipment through a flange, and needs to be arranged in a certain tank body and also needs to be hermetically connected with the tank body.

At present, an extension pipe of a reaction kettle is generally connected with a tank body in a sealing manner by additionally arranging an additional sealing structure outside the tank body. The additional sealing structure is usually an independent sealing structure, can not be disassembled and assembled together with the extension pipe of the reaction kettle, and needs to be disassembled and assembled separately, so that the complexity of disassembling and assembling the reaction kettle is increased, and the labor intensity of operators is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seal structure, this seal structure are used for the extension tube of container and jar sealed between the body, can be along with the same dismouting of the extension tube of container, are favorable to simplifying the dismouting of container seal part, reduce operating personnel's intensity of labour.

To achieve the purpose, the utility model adopts the following technical proposal:

a sealing structure for sealing between an extension tube of a container and a can body, comprising:

the head end of the outer pipe is connected to the tank body in a sealing mode, a stepped hole is formed in the outer pipe, and the extension pipe extends out of the stepped hole;

the inner cup, the inner cup is located in the outer tube, be equipped with the connecting hole in the inner cup, the connecting hole is the through-hole, it passes to stretch out the tub sealed the connecting hole sets up, the end face sealing connection of inner cup in the step face of shoulder hole.

Preferably, the outer tube comprises two semicircular fastening plates which are oppositely arranged, the two semicircular fastening plates are abutted to form a circular plate, a circular hole is formed in the circular plate, the circular plate is covered at the tail end of the outer tube, the extension tube extends out of the circular hole, and the circular plate is detachably connected to the inner cover.

Preferably, the inner cover is provided with a step, and the step surface of the step is connected with the step surface of the stepped hole in a sealing manner; the minor diameter section of inner cup set up in the minor diameter section of shoulder hole, the mounting plate can dismantle connect in the minor diameter section of inner cup.

Preferably, the diameter of the circular hole is smaller than that of the small-diameter section of the inner cover, and the fastening plate is connected to the small-diameter section of the inner cover through a bolt.

Preferably, the bolts are uniformly arranged along the circumferential direction of the circular hole.

Preferably, the outer wall of the extension pipe is hermetically welded to the connection hole.

Preferably, the inner cover further comprises a sealing gasket, and the sealing gasket is connected between the end face of the inner cover and the step face of the stepped hole.

Preferably, the end of the extension pipe is connected with a flange.

Preferably, a chamfer is arranged at the joint of the large-diameter section and the small-diameter section of the stepped hole.

Another object of the utility model is to provide a reaction kettle, this reaction kettle's extension tube and jar seal structure between the body can be along with the same dismouting of reaction kettle's extension tube, are favorable to simplifying reaction kettle's dismouting, reduce operating personnel's intensity of labour.

the utility model provides a reaction kettle, is including stretching out pipe, jar body and coil pipe, stretch out the pipe stretch out jar body, the coil pipe connect in jar is internal, the coil pipe with stretch out the pipe intercommunication, still include above arbitrary scheme seal structure.

The utility model has the advantages that:

the utility model provides a sealing structure, which connects the inner cover to the extension tube of the container, so that the inner cover can be detached together with the extension tube of the container; according to the sealing structure, the stepped hole is formed in the outer pipe, the inner cover is arranged in the outer pipe, the end face of the inner cover can be connected to the stepped face of the stepped hole in a sealing mode, the sealing face is located in the outer pipe, and the inner cover can be assembled and disassembled along with the extension pipe of the container when the container is assembled and disassembled. The utility model also provides a reation kettle, this reation kettle's coil pipe and above-mentioned seal structure's extension pipe intercommunication, above-mentioned seal structure can be along with reation kettle's the same dismouting of coil pipe, has avoided other dismouting seal structure, has simplified reation kettle seal part's dismouting, has reduced operating personnel's intensity of labour.

Drawings

Fig. 1 is a schematic structural diagram of a sealing structure according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of an outer tube of a seal structure provided in an embodiment of the present invention;

fig. 3 is a cross-sectional view of an inner cap of a sealing structure according to an embodiment of the present invention;

fig. 4 is a schematic top view of a fastening plate of a sealing structure according to an embodiment of the present invention;

fig. 5 is a cross-sectional view of a fastening plate of a sealing structure according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of the reactor according to the embodiment of the present invention after installation;

fig. 7 is a schematic structural diagram of the reactor according to the embodiment of the present invention after being disassembled.

In the figure:

1. an outer tube; 11. a stepped hole; 12. a gasket mounting groove; 2. an inner cover; 21. connecting holes; 22. a step; 3. a fastening plate; 31. a circular hole; 4. a gasket; 5. a flange; 100. an extension tube; 101. a tank body; 102. and (4) coiling the pipe.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention will be further explained by the following embodiments with reference to the accompanying drawings.

The utility model provides a sealing structure for sealed between reation kettle's extension tube 100 and jar body 101, as shown in figure 1, this sealing structure includes outer tube 1, inner cup 2, mounting plate 3. The head end of the outer pipe 1 is hermetically connected to the tank body 101, and the extension pipe 100 extends out of the outer pipe 1, in this embodiment, the head end of the outer pipe 1 may be hermetically connected to the tank body 101 by welding or the like, and a specific sealing connection manner is not limited in this embodiment, and a person skilled in the art may select the sealing connection manner according to actual conditions; the inner cover 2 is arranged in the outer pipe 1, and the extension pipe 100 penetrates through the inner cover 2 in a sealing manner, so that the inner cover 2 can be disassembled and assembled together with the extension pipe 100, the disassembly and assembly of the reaction kettle can be simplified, and the labor intensity of operators is reduced; the fastening plate 3 is covered on the end of the outer tube 1 and connected to the inner cover 2, and the inner cover 2 is connected to the outer tube 1 in a sealing manner for sealing between the extension tube 100 of the reaction kettle and the tank 101. Preferably, the end of the extension pipe 100 is connected with a flange 5, and the flange 5 is used for connecting with a pipeline of an adjacent device.

As shown in fig. 2, in the present embodiment, a stepped hole 11 is formed in the outer tube 1, the stepped hole 11 is sleeved outside the extension tube 100, and the end surface of the inner lid 2 is hermetically connected to the stepped surface of the stepped hole 11, so as to realize the sealing between the extension tube 100 and the tank 101 of the reaction kettle. Preferably, the outer diameter of the flange 5 is smaller than the diameter of the small diameter section of the stepped hole 11, so that the flange 5 can be drawn out of the stepped hole 11 together with the extension pipe 100, and the extension pipe 100 can be easily removed from the outer pipe 1.

Preferably, the sealing structure further comprises a sealing gasket 4, wherein the sealing gasket 4 is mounted on the step surface of the stepped hole 11, and can enhance the sealing performance between the step surface of the stepped hole 11 and the end surface of the inner cover 2. More preferably, the sealing gasket 4 is a flexible graphite composite reinforcing gasket, which has stable chemical property, is not easy to react with the solution in the reaction kettle, and has long service life. It is understood that the sealing gasket 4 can be other types of sealing gaskets as long as it is chemically stable and does not easily react with the solution in the reaction kettle, and those skilled in the art can select the sealing gasket according to actual situations. Further, a sealing gasket mounting groove 12 is formed in the step surface of the stepped hole 11, and the sealing gasket 4 is mounted in the sealing gasket mounting groove 12, so that the sealing gasket 4 can be conveniently mounted and positioned, and the mounting is convenient. In this embodiment, the junction of the big footpath section and the path section of shoulder hole 11 is equipped with the chamfer for can smooth transition between the big footpath section and the path section of shoulder hole 11, thereby make inner cup 2 when putting into shoulder hole 11 in the installation, inner cup 2 can be followed the smooth and easy location of chamfer on the step face of shoulder hole 11, make inner cup 2 can conveniently connect on the step face of shoulder hole 11 fast.

As shown in fig. 3, it is preferable that the inner lid 2 is provided with a coupling hole 21 and a step 22. The connection hole 21 is a through hole, and the extension pipe 100 is sealingly disposed through the connection hole 21. Preferably, the step surface of the step 22 is connected to the step surface of the stepped hole 11 in a sealing manner, the large diameter section of the inner cap 2 is located in the large diameter section of the stepped hole 11, and the small diameter section of the inner cap 2 is located in the small diameter section of the stepped hole 11, so that the inner cap 2 can be conveniently and quickly installed in the stepped hole 11. More preferably, the diameter of the small diameter section of the inner cap 2 is equal to the diameter of the small diameter section of the stepped hole 11, so that the inner cap 2 is not easy to shake after being installed in the stepped hole 11, and the stability of the seal between the stepped surface of the step 22 and the stepped surface of the stepped hole 11 is ensured. In this embodiment, the outer wall of the extension tube 100 is welded to the connection hole 21 in a sealing manner, so that the inner cap 2 is firmly connected to the extension tube 100, and the extension tube 100 can drive the inner cap 2 to press against the step surface of the stepped hole 11 under the action of self gravity and external force, which is beneficial to enhancing the sealing performance between the inner cap 2 and the step surface of the stepped hole 11.

In the present embodiment, as shown in fig. 4 and 5, the fastening plate 3 is configured in a semicircular shape, and a semicircular hole is provided in the semicircular fastening plate 3. Preferably, the fastening plate 3 is provided with two relatively, and two fastening plate 3 butt relatively constitute a plectane, and two semicircle orifices form a round hole 31 relatively simultaneously, and two fastening plate 3 all cover the end of locating outer tube 1 and can dismantle with inner cup 2 and be connected, and the stretch-out pipe 100 can be worn out from round hole 31. After the fastening plate 3 is disconnected from the inner cover 2, the two opposite semicircular fastening plates 3 can move in opposite directions to be detached, so that the subsequent detachment of the extension tube 100 is facilitated. Preferably, the diameter of the circular hole 31 is smaller than that of the small-diameter section of the inner cap 2 so that the fastening plate 3 can be directly coupled to the small-diameter section of the inner cap 2, making the coupling convenient. More preferably, the fastening plate 3 is connected to one end of the small-diameter section of the inner cover 2 through a bolt, and the tightening of the bolt enables the step surface of the inner cover 2 to press the step surface of the stepped hole 11 under the action of the fastening plate 3, which is beneficial to enhancing the sealing performance of the sealing connection between the inner cover 2 and the fastening plate 3. In this embodiment, the circumference evenly distributed of round hole 31 is followed to the bolt on mounting plate 3 for mounting plate 3 can exert even effort to whole inner cup 2 through the bolt, makes the step face that compresses tightly shoulder hole 11 that the step face of inner cup 2 can be even, is favorable to guaranteeing sealing connection between inner cup 2 and the mounting plate 3.

The utility model provides a reation kettle, as shown in fig. 6 and 7, this reation kettle is including stretching out pipe 100, jar body 101, the seal structure that provides among coil pipe 102 and the above-mentioned technical scheme, stretch out pipe 100 and stretch out jar body 101, coil pipe 102 is connected in jar internal and intercommunication in stretching out pipe 100 in the upper portion of jar body 101, this reation kettle's seal structure can be along with reation kettle's the same dismouting of stretch out pipe 100, be favorable to simplifying reation kettle seal part's dismouting, reduction operating personnel's intensity of labour.

The following explains the disassembly and assembly processes of the sealing structure and the reaction kettle provided by the embodiments of the present invention.

When the sealing structure and the reaction kettle are disassembled, firstly, the connection between the fastening plate 3 and the inner cover 2 is disassembled, the fastening plate 3 is disassembled from the tail end of the outer pipe 1, then the upper part of the reaction kettle tank body 101 is lifted, because the coil pipe 102 is connected in the upper tank body of the tank body 101 and is communicated with the extension pipe 100, the extension pipe 100 is lifted together with the reaction kettle tank body 101, and the extension pipe 100 drives the inner cover 2 and the flange 5 to be drawn out from the stepped hole 11, thus the disassembly of the sealing structure and the reaction kettle can be completed; when installing this seal structure and reation kettle, transfer the upper portion of the reation kettle jar body 101 of lifting by crane earlier, make extension tube 100 drive inner cup 2 and flange 5 insert from shoulder hole 11, make inner cup 2 sealing connection in the step face of shoulder hole 11, then locate the end of outer tube 1 with mounting plate 3 lid and be connected in inner cup 2, make inner cup 2 compress tightly the step face of shoulder hole 11, accomplish the sealing connection between inner cup 2 and the outer tube 1.

It can be understood, the utility model provides a seal structure is not limited to on being applied to reation kettle etc. chemical industry equipment, and this sealing device can also be applied to other fields that need the seal structure can be along with the same dismouting of equipment, and this sealing device can be along with the same dismouting of equipment of being connected with it, is favorable to simplifying the dismouting of equipment seal part, reduces operating personnel's intensity of labour.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A sealing structure for sealing between an extension pipe (100) of a container and a tank (101), comprising:

the tank comprises an outer pipe (1), wherein the head end of the outer pipe (1) is connected to the tank body (101) in a sealing mode, a stepped hole (11) is formed in the outer pipe (1), and the extension pipe (100) extends out of the stepped hole (11);

inner cup (2), inner cup (2) are located in outer tube (1), be equipped with connecting hole (21) on inner cup (2), connecting hole (21) are the through-hole, it passes to stretch out that pipe (100) is sealed connecting hole (21) set up, the end face sealing connection of inner cup (2) in the step face of shoulder hole (11).

2. The sealing structure of claim 1, further comprising two opposite semicircular fastening plates (3), wherein the two fastening plates (3) are abutted to form a circular plate, the circular plate is provided with a circular hole (31), the circular plate is covered on the tail end of the outer tube (1), the extension tube (100) extends from the circular hole (31), and the circular plate is detachably connected to the inner cover (2).

3. The sealing structure according to claim 2, wherein the inner cover (2) is provided with a step (22), and the step surface of the step (22) is connected with the step surface of the stepped hole (11) in a sealing manner; the small-diameter section of inner cup (2) set up in the small-diameter section of shoulder hole (11), mounting plate (3) can dismantle connect in the small-diameter section of inner cup (2).

4. The seal structure according to claim 3, wherein the diameter of the circular hole (31) is smaller than the diameter of the small diameter section of the inner lid (2), and the fastening plate (3) is connected to the small diameter section of the inner lid (2) by a bolt.

5. The seal structure according to claim 4, characterized in that the bolts are evenly arranged in the circumferential direction of the circular hole (31).

6. The sealing structure according to claim 1, characterized in that the outer wall of the extension tube (100) is sealingly welded to the attachment hole (21).

7. The seal structure according to claim 1, further comprising a seal gasket (4), the seal gasket (4) being connected between an end surface of the inner lid (2) and a stepped surface of the stepped hole (11).

8. The sealing structure according to claim 1, characterized in that a flange (5) is connected to the end of the extension tube (100).

9. The seal structure according to claim 1, wherein a junction of the large diameter section and the small diameter section of the stepped hole (11) is chamfered.

10. A reaction kettle, comprising an extension pipe (100), a tank body (101) and a coil (102), wherein the extension pipe (100) extends out of the tank body (101), the coil (102) is connected in the tank body (101), the coil (102) is communicated with the extension pipe (100), and further comprising a sealing structure according to any one of claims 1-9.