CN219954593U

CN219954593U - Chemical pipeline and container connection structure

Info

Publication number: CN219954593U
Application number: CN202321116168.XU
Authority: CN
Inventors: 曾庆贵; 王秀菊
Original assignee: Liaoyang Zhongsheng Machinery Manufacturing Co ltd
Current assignee: Liaoyang Zhongsheng Machinery Manufacturing Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-11-03
Anticipated expiration: 2033-05-11

Abstract

The utility model discloses a chemical pipeline and container connecting structure, which comprises a container body and a chemical pipeline connector, wherein a fixed connecting pipe is arranged on the side wall of the container body, flange seats are welded at the ends of the fixed pipe and the pipeline connector, and sliding sealing connectors are arranged between the flange seats.

Description

Chemical pipeline and container connection structure

Technical Field

The utility model relates to the technical field of chemical pipeline connection, in particular to a chemical pipeline and container connection structure.

Background

The connection of the pipeline and the interface of the pressure vessel usually adopts a hard connection structure, namely, the connection of the pipeline and the interface of the vessel is directly realized through fixing modes such as welding, flanges, threads and the like, and the hard connection structure does not have a buffer device, when a water hammer is generated, the connection position of the chemical pipeline and the vessel can be greatly vibrated, the vibration can affect the weight of the pressure vessel, the pipeline outlet is directly connected with the interface of the vessel, the butt joint is easy to loosen, and the problem of material leakage at the interface is caused.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a chemical pipeline and container connecting structure, which solves the problems in the background technology.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the chemical pipeline and container connecting structure comprises a container body and a chemical pipeline connector, wherein a fixed connecting pipe is arranged on the side wall of the container body, flange seats are welded at the ends of the fixed pipe and the pipeline connector, and a sliding sealing connecting piece is arranged between the flange seats;

the sliding sealing connecting piece comprises a first connecting pipe, one end of the first connecting pipe is provided with a limiting ring, a second connecting pipe is inserted into the first connecting pipe, a sliding ring is welded at the extending end of the second connecting pipe, the outer diameter of the sliding ring is larger than the inner diameter of the limiting ring, a sealing gasket is arranged between the sliding ring and the limiting ring, flange plates are welded at the connecting positions of the first connecting pipe, the second connecting pipe and the flange seat respectively, a fixing flange is welded at one side of the flange plate, and an expansion sealing piece is arranged between the fixing flange plates.

The expansion sealing piece comprises a corrugated pipe, the corrugated pipe is sleeved outside the first connecting pipe and the second connecting pipe and is assembled and fixed with the fixing flange through connecting flanges respectively, supports are arranged outside the connecting flanges along the annular array, and the supports are limited and fixed through bolt connecting pieces.

The bolt connecting piece comprises long rod bolts, the long rod bolts respectively penetrate through the supports on the same axis, and locking nuts are screwed on the exposed ends of the long rod bolts.

The end part of the flange plate is provided with a limiting bulge, a sealing ring is sleeved outside the limiting bulge, and the end part of the limiting bulge is of a conical structure.

The side wall of the sliding ring is provided with a clamping groove along the circumferential direction, a sealing ring is sleeved in the clamping groove, and the sealing ring is in sliding sealing with the inner wall of the first connecting pipe.

The number of the sealing rings is not less than two.

Advantageous effects

The utility model provides a chemical pipeline and container connecting structure. The beneficial effects are as follows: this chemical pipeline and container connection structure sets up sliding seal connecting piece between the fixed takeover of current container body and chemical pipeline joint, sliding seal connecting piece passes through the ring flange and fixed takeover and chemical pipeline joint assembly is fixed, sliding seal connecting piece adopts double-deck structural design, the inlayer is first takeover and the second takeover of mutual sliding seal, the skin is the inflation sealing piece, adopt elastic seal structural design, can offset the part water hammer vibrations that joint position produced and make the butt joint position not hard up leakage problem that causes, double-deck sealed sealing effect that can fully guarantee hookup location simultaneously, in addition this structure possesses certain elasticity, the commonality is better, can be applied to the connection that the chemical pipeline connects of the non-standard design of part.

Drawings

Fig. 1 is a schematic diagram of a cross-sectional front view of a connection structure between a chemical pipeline and a container according to the present utility model.

FIG. 2 is a schematic side sectional view of the utility model in the position A-A of FIG. 1.

In the figure: 1. fixing the connecting pipe; 2. a pipe joint; 3. a flange seat; 4. a first connection pipe; 5. a limiting ring; 6. a second connection pipe; 7. a slip ring; 8. a sealing gasket; 9. a flange plate; 10. a fixed flange; 11. a bellows; 12. a connecting flange; 13. a support; 14. a long rod bolt; 15. a lock nut; 16. a limit protrusion; 17. a seal ring; 18. and (3) sealing rings.

Description of the embodiments

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.

The components in the present case are sequentially connected by a person skilled in the art, and specific connection and operation sequence should be referred to the following working principle, and the detailed connection means thereof are known in the art, and the following working principle and process are mainly described.

Examples: as can be seen from fig. 1-2 of the specification, the side wall of the container body is provided with a fixed connection pipe 1, flange seats 3 are welded at the ends of the fixed connection pipe 1 and the pipeline joint 2, and sliding sealing connectors are arranged between the flange seats 3; the sliding sealing connecting piece comprises a first connecting pipe 4, a limiting ring 5 is arranged at one end of the first connecting pipe 4, a second connecting pipe 6 is inserted into the first connecting pipe 4, a sliding ring 7 is welded at the extending end of the second connecting pipe 6, the outer diameter of the sliding ring 7 is larger than the inner diameter of the limiting ring 5, a clamping groove is formed in the side wall of the sliding ring 7 along the circumferential direction, a sealing ring 18 is sleeved in the clamping groove, the sealing ring 18 is in sliding sealing with the inner wall of the first connecting pipe 4, the number of the sealing rings 18 is not less than two, sealing gaskets 8 are arranged between the sliding ring 7 and the limiting ring 5, a flange 9 is welded at the connecting positions of the first connecting pipe 4 and the second connecting pipe 6 and the flange seat 3 respectively, a fixed flange 10 is welded at one side of the flange 9, an expansion sealing piece is arranged between the fixed flanges 10, in the specific implementation process, the expansion sealing piece comprises a corrugated pipe 11, the corrugated pipe 11 is sleeved outside the first connecting pipe and the second connecting pipe and is assembled and fixed with the fixed flange 10 through the connecting flange 12 respectively, the outer side of the connecting flange 12 is provided with the supporting seats 13 along the annular array, the supporting seats 13 are fixed in a limiting way through bolt connecting pieces, wherein the bolt connecting pieces comprise long rod bolts 14, the long rod bolts 14 respectively penetrate through the supporting seats 13 on the same axis position, the exposed ends of the long rod bolts 14 are screwed with locking nuts 15, a sliding sealing connecting piece is arranged between the fixed connecting pipe 1 and the chemical pipeline joint 2 of the existing container body and is assembled and fixed with the fixed connecting pipe 1 and the chemical pipeline joint 2 through a flange plate 9, the end part of the flange plate 9 is provided with a limiting bulge 16, the outer side of the limiting bulge 16 is sleeved with a sealing ring 17, the end part of the limiting bulge 16 is of a conical structure, the sealing performance of the joint part can be further ensured, the sliding sealing connecting piece adopts a double-layer structure design, the inner layer is the first connecting pipe 4 and the second connecting pipe 6 which are mutually sealed in a sliding way, the outer layer is an expansion sealing piece, the elastic sealing structure design is adopted, the leakage problem caused by loosening of the butt joint position due to the fact that part of water hammer vibration generated at the joint position can be counteracted, the length adjustment of the connecting pipe fitting can be achieved by utilizing the matching effect of the long rod bolt 14 and the locking nut 15, the requirement on the spacing precision between the fixed connecting pipe 1 and the pipeline joint 2 is low, and replacement and assembly connection are facilitated.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a chemical pipeline and container connection structure, includes container body and chemical pipeline joint, container body lateral wall is provided with the fixed connection pipe, fixed connection pipe and pipeline joint tip all weld flange seat, its characterized in that is provided with sliding seal connecting piece between the flange seat;

2. The chemical pipeline and container connecting structure according to claim 1, wherein the expansion sealing piece comprises a corrugated pipe, the corrugated pipe is sleeved outside the first connecting pipe and the second connecting pipe and is assembled and fixed with the fixing flange through the connecting flange respectively, the outer side of the connecting flange is provided with supporting seats along the annular array, and the supporting seats are limited and fixed through the bolt connecting piece.

3. The chemical pipeline and container connecting structure according to claim 2, wherein the bolt connecting piece comprises long rod bolts, the long rod bolts respectively penetrate through the supports on the same axis, and locking nuts are screwed on the exposed ends of the long rod bolts.

4. The connecting structure of a chemical pipeline and a container according to claim 1, wherein the end part of the flange plate is provided with a limiting protrusion, a sealing ring is sleeved outside the limiting protrusion, and the end part of the limiting protrusion is in a conical structure.

5. The chemical pipeline and container connecting structure according to claim 1, wherein a clamping groove is formed in the side wall of the sliding ring along the circumferential direction, a sealing ring is sleeved in the clamping groove, and the sealing ring is in sliding sealing with the inner wall of the first connecting pipe.

6. The chemical pipeline and container connecting structure according to claim 5, wherein the number of the sealing rings is not less than two.