CN216555332U

CN216555332U - Rectifying column tower section flange sealing structure

Info

Publication number: CN216555332U
Application number: CN202123223257.8U
Authority: CN
Inventors: 卫志明; 王金明
Original assignee: Nantong Jinhua Separation Engineering Technology Co ltd
Current assignee: Nantong Jinhua Separation Engineering Technology Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-17
Anticipated expiration: 2031-12-21

Abstract

The utility model relates to the technical field of tower section flanges, in particular to a tower section flange sealing structure of a rectifying tower. The technical scheme comprises the following steps: the connecting ring comprises a first flange plate, a second flange plate and a connecting ring, wherein first annular grooves are formed in the middles of opposite sides of the first flange plate and the second flange plate respectively, second annular grooves are formed in the middles of the first flange plate and the second flange plate on the sides, which are opposite to each other, of the two first annular grooves, the second annular grooves are formed in the middles of the first flange plate and the second flange plate respectively, the outer surfaces of the upper end and the lower end of the connecting ring are easy to fit and fix with first sealing rings, the inner sides of the upper end face and the lower end face of the connecting ring are fitted and fixed with second sealing rings, the connecting ring and the first sealing rings are installed in the first annular grooves, the second sealing rings are installed in the second annular grooves, and the first flange plate and the second flange plate are fixed through bolts and nuts. The utility model has the advantages that the sealing performance of the first sealing ring is enhanced under the extrusion of the connecting ring, and the joint of the first flange plate and the second flange plate is sealed by the two second sealing rings for the second time.

Description

Rectifying column tower section flange sealing structure

Technical Field

The utility model relates to the technical field of tower section flanges, in particular to a tower section flange sealing structure of a rectifying tower.

Background

The rectifying tower is a tower type gas-liquid contact device for rectification. By utilizing the property that each component in the mixture has different volatility, namely the vapor pressure of each component is different at the same temperature, the light component (low-boiling-point substance) in the liquid phase is transferred into the gas phase, and the heavy component (high-boiling-point substance) in the gas phase is transferred into the liquid phase, thereby realizing the purpose of separation.

The rectifying tower is connected by the tower section flange, and the sealing ring is installed at the butt joint of the general tower section flange and is not supported, so that the sealing ring is not tight enough at the butt joint of the tower section flange.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rectifying tower section flange sealing structure to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a rectifying column tower festival flange seal structure, includes first ring flange, second ring flange and go-between, first ring flange has been seted up respectively in the centre of the relative one side of first ring flange and second ring flange, two the second ring channel has been seted up respectively in the middle of the first ring flange that first ring channel deviates from one side mutually and the second ring flange, the surface laminating of both ends is fixed with first sealing ring about the go-between is easily, the inboard laminating of terminal surface is fixed with the second sealing ring about the go-between, the go-between is installed in first ring channel with first sealing ring, and the second sealing ring is installed in the second ring channel, first ring flange and second ring flange pass through the bolt and the nut is fixed.

Preferably, the first annular groove is communicated with the second annular groove, the diameter of the first annular groove is larger than that of the second annular groove, and the first annular groove and the second annular groove are respectively positioned on the outer sides of inner holes of the first flange plate and the second flange plate.

Preferably, the coupling ring together with the first sealing ring is mated with a first annular groove and the second sealing ring is mated with a second annular groove.

Preferably, after the connecting ring is installed in the first annular groove together with the first sealing ring, the first sealing ring is in a compressed state.

Preferably, the inner side of the connecting ring, the inner side of the second sealing ring, the inner hole wall of the first flange plate and the inner hole wall of the second flange plate are aligned in sequence.

Preferably, the first flange plate and the second flange plate are respectively provided with six through holes matched with the bolts in an annular array mode, and the bolts penetrate through one end of the through holes and are provided with nuts in a threaded mode.

Compared with the prior art, the utility model has the beneficial effects that: during installation, the connecting ring is installed in a first annular groove formed in one side, opposite to the first flange plate and the second flange plate, of the first flange plate, the connecting ring extrudes the first sealing ring on the outer surface, the outer side of the first sealing ring is made to be tightly attached to the inner wall of the first annular groove, the first sealing ring seals the joint of the first flange plate and the second flange plate, and the sealing performance of the first sealing ring is enhanced under the extrusion of the connecting ring. And the second sealing rings on the upper end surface and the lower end surface of the connecting ring are correspondingly inserted into the second annular grooves on the opposite sides of the first flange plate and the second flange plate, and the joint of the first flange plate and the second flange plate is sealed through the two second sealing rings.

Drawings

FIG. 1 is a schematic view of the connection structure of the present invention in cross-section from the front;

FIG. 2 is an enlarged schematic view of the attachment ring connection of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic view of a cross-sectional front connection structure of a first flange and a second flange according to the present invention;

FIG. 4 is a schematic top view of the connection ring of the present invention;

FIG. 5 is a schematic diagram of the distribution of through holes according to the present invention.

In the figure: 1. a first flange plate; 2. a second flange plate; 3. a connecting ring; 4. a bolt; 5. a nut; 6. a first seal ring; 7. a second seal ring; 8. a first annular groove; 9. a second annular groove; 10. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 to 4, an embodiment of the present invention includes: the utility model provides a rectifying column tower festival flange seal structure, including first ring flange 1, second ring flange 2 and go-between 3, first ring flange 8 has been seted up respectively to the centre of the relative one side of first ring flange 1 and second ring flange 2, second ring channel 9 has been seted up respectively to the centre of the first ring flange 1 and the second ring flange 2 of two first ring channels 8 back to one side mutually, first ring channel 8 and second ring channel 9 intercommunication, the diameter of first ring channel 8 is greater than the diameter of second ring channel 9, first ring channel 8 and second ring channel 9 are located the outside of

first ring flange

1 and 2 holes of second ring flange respectively.

The outer surfaces of the upper end and the lower end of the connecting ring 3 are easy to be fixedly provided with the first sealing rings 6 in an attaching mode, during installation, the connecting ring 3 and the first sealing rings 6 are installed in the first annular groove 8, and the connecting ring 3 and the first sealing rings 6 are matched with the first annular groove 8. After the connecting ring 3 and the first sealing ring 6 are installed in the first annular groove 8, the first sealing ring 6 is in a pressed state, so that the outer side of the first sealing ring 6 is tightly attached to the inner wall of the first annular groove 8, the first sealing ring 6 seals the joint of the first flange plate 1 and the second flange plate 2, and the sealing performance of the first sealing ring 6 is enhanced under the pressing of the connecting ring 3.

The inner sides of the upper end surface and the lower end surface of the connecting ring 3 are fixedly provided with second sealing rings 7 in an attaching mode, the second sealing rings 7 are installed in second annular grooves 9, the second sealing rings 7 are matched with the second annular grooves 9, and the joints of the first flange plate 1 and the second flange plate 2 are sealed through the two second sealing rings 7 for the second time. The inner side of the connecting ring 3, the inner side of the second sealing ring 7, the inner hole wall of the first flange plate 1 and the inner hole wall of the second flange plate 2 are aligned in sequence.

Example 2

Referring to fig. 1 and 5, an embodiment of the present invention: the utility model provides a rectifying column tower festival flange seal structure, includes first ring flange 1 and second ring flange 2, and first ring flange 1 and second ring flange 2 are fixed through bolt 4 and nut 5, are the ring array respectively on first ring flange 1 and the second ring flange 2 and seted up six and bolt 4 assorted through-hole 10, and bolt 4 passes the one end screw thread of through-hole 10 and installs nut 5. After the connecting ring 3 is arranged at the joint of the first flange plate 1 and the second flange plate 2, the bolts 4 penetrate through the through holes 10 on the first flange plate 1 and the second flange plate 2, nuts 5 are arranged at the bottom ends of the bolts 4 in a threaded mode, the nuts 5 are screwed tightly, the nuts 5 abut against the bottom end of the first flange plate 1, and the first flange plate 1 and the second flange plate 2 are fixed.

The working principle is as follows: during installation, the connecting ring 3 and the first sealing ring 6 are installed in the first annular groove 8, the second sealing ring 7 is installed in the second annular groove 9, the first flange plate 1 is in butt joint with the second flange plate 2, the bolt 4 penetrates through the through hole 10 in the first flange plate 1 and the through hole 10 in the second flange plate 2, the nut 5 is installed at the bottom end of the bolt 4 in a threaded mode, the nut 5 is screwed down, and the nut 5 abuts against the bottom end of the first flange plate 1.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a rectifying column tower festival flange seal structure, includes first ring flange (1), second ring flange (2) and go-between (3), its characterized in that: first ring channel (8) have been seted up respectively in the centre of the relative one side of first ring flange (1) and second ring flange (2), two second ring channel (9) have been seted up respectively in the middle of first ring flange (1) and the second ring flange (2) of first ring channel (8) back to one side, the surface laminating of go-between (3) both ends is easily gone up and is fixed with first sealing ring (6), the inboard laminating of terminal surface is fixed with second sealing ring (7) about go-between (3), go-between (3) are installed in first ring channel (8) together with first sealing ring (6), and second sealing ring (7) are installed in second ring channel (9), first ring flange (1) and second ring flange (2) are fixed through bolt (4) and nut (5).

2. The rectifying column section flange sealing structure according to claim 1, characterized in that: the first annular groove (8) is communicated with the second annular groove (9), the diameter of the first annular groove (8) is larger than that of the second annular groove (9), and the first annular groove (8) and the second annular groove (9) are respectively positioned on the outer sides of inner holes of the first flange plate (1) and the second flange plate (2).

3. The rectifying column section flange sealing structure according to claim 1, characterized in that: the connecting ring (3) together with the first sealing ring (6) is matched with the first annular groove (8), and the second sealing ring (7) is matched with the second annular groove (9).

4. The rectifying column section flange sealing structure according to claim 1, characterized in that: after the connecting ring (3) and the first sealing ring (6) are arranged in the first annular groove (8), the first sealing ring (6) is in a pressed state.

5. The rectifying column section flange sealing structure according to claim 1, characterized in that: the inner side of the connecting ring (3), the inner side of the second sealing ring (7), the inner hole wall of the first flange plate (1) and the inner hole wall of the second flange plate (2) are aligned in sequence.

6. The rectifying column section flange sealing structure according to claim 1, characterized in that: six through holes (10) matched with the bolts (4) are respectively formed in the first flange plate (1) and the second flange plate (2) in an annular array mode, and nuts (5) are installed on one end of each bolt (4) penetrating through the corresponding through hole (10) in a threaded mode.