CN213913816U - Telescopic high-pressure sealing connection structure suitable for vertical radial flow reactor and reactor - Google Patents
Telescopic high-pressure sealing connection structure suitable for vertical radial flow reactor and reactor Download PDFInfo
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- CN213913816U CN213913816U CN202022893084.XU CN202022893084U CN213913816U CN 213913816 U CN213913816 U CN 213913816U CN 202022893084 U CN202022893084 U CN 202022893084U CN 213913816 U CN213913816 U CN 213913816U
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Abstract
The utility model discloses a telescopic high-pressure seal connection structure and reactor suitable for vertical radial flow reactor, including sleeve pipe, extending structure and outlet pipe, sheathed tube one end fixed connection is on the head of reactor casing, the sheathed tube other end links to each other with extending structure's one end, extending structure's the other end links to each other with the connecting piece, the outlet pipe setting of reactor tube side is in sleeve pipe and extending structure's inside, the outlet pipe links to each other and inside communicates with each other with the connecting piece, the inside connecting piece that is linked together rather than of outlet pipe is inside to be formed into tube side circulation space. The utility model discloses can make the deformation of casing transmit to extending structure through the sleeve pipe, the deformation of outlet pipe transmits to extending structure through the connecting piece to through extending structure's deformation, absorb outlet pipe and casing along axial thermal expansion difference, and can partially offset the axial load with the outside pipeline that the outlet pipe is connected, guarantee business turn over union coupling's leakproofness and reliability.
Description
Technical Field
The utility model belongs to the technical field of vertical type tube shell structure reactor, in particular to telescopic high-pressure seal connection structure and reactor suitable for vertical radial flow reactor.
Background
A large-scale steam ascending type radial flow reactor, such as a methanol synthesis tower, is a reactor with a vertical shell-and-tube structure, and comprises a shell and an internal part inside the shell, wherein the internal part sequentially comprises a central distribution tube, a catalyst frame, a cylindrical gas collector connected with the inner wall of the shell, a tube bundle positioned in a catalyst area and the like from inside to outside along the radial direction from the center of equipment; wherein the upper and lower ends of the gas collector are respectively connected with the shell, so that an annular gas collecting area is formed between the gas collector and the shell. Reaction gas enters the central gas distribution pipe through the upper inlet pipe and the lower inlet pipe, the reaction gas is changed into radial flow to enter the catalyst bed for reaction after being uniformly distributed through the central gas distribution pipe, and the gas after reaction is collected by the external collector and then collected in the gas collection area and then flows out through the outlet pipe communicated with the collection area.
In the reactor with the vertical shell-and-tube structure, the tube pass where the tube bundle is arranged in the shell pass, the two ends of the tube bundle are communicated with an inlet pipe and an outlet pipe, and the inlet pipe and the outlet pipe are respectively led out from the shell of the shell pass. Because high-temperature and high-pressure gas is in the shell pass, and the temperature and the pressure of the tube pass are different from those of the shell pass, the joint between the tube pass inlet and outlet tube and the shell pass shell is easily damaged, and thus high-pressure sealing failure occurs.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: aiming at the technical problems, the telescopic high-pressure sealing connection structure and the reactor which can ensure the sealing performance and the reliability of the connection of the inlet pipe and the outlet pipe and are suitable for the vertical radial flow reactor are provided.
The technical scheme of the utility model is realized like this: the utility model provides a telescopic high pressure seal connection structure suitable for vertical radial flow reactor which characterized in that: including sleeve pipe, extending structure and outlet pipe, sheathed tube one end fixed connection is on the head of reactor casing, the sheathed tube other end links to each other with extending structure's one end, extending structure's the other end links to each other with the connecting piece, the outlet pipe setting of reactor tube side is in sleeve pipe and extending structure's inside, the outlet pipe links to each other and inside communicates with each other with the connecting piece, the inside formation of connecting piece that is linked together rather than the outlet pipe is the tube side circulation space.
Telescopic high-pressure seal connection structure suitable for vertical radial flow reactor, its the inside of sleeve pipe and extending structure communicates with each other with the shell side of reactor shell, form between outlet pipe and the extending structure and between outlet pipe and the sleeve pipe to communicate each other and with the radial annular space of reactor shell side intercommunication, radial annular space forms the non-flowing medium space.
The utility model discloses a telescopic high-pressure seal connection structure suitable for vertical radial flow reactor, its scalable structure is high-pressure ripple expansion joint.
The utility model discloses a telescopic high-pressure seal connection structure suitable for vertical radial flow reactor, its the upper end and the outside pipe connection of connecting piece.
The utility model discloses a telescopic high-pressure seal connection structure suitable for vertical radial flow reactor, it is in be provided with location structure between outlet pipe and the sleeve pipe and/or between outlet pipe and the scalable structure.
Telescopic high-pressure seal connection structure suitable for vertical radial flow reactor, its location structure is along the radial annular locating piece that distributes of outlet pipe, perhaps is protruding and groove structure of mutually supporting between outlet pipe and the sleeve pipe.
The utility model discloses a telescopic high-pressure seal connection structure suitable for vertical radial flow reactor, its the connecting piece is a part of outlet pipe, but telescopic structure's other end lug connection is on the outlet pipe.
Telescopic high-pressure seal connection structure suitable for vertical radial flow reactor, its the connecting piece is the drum structure, but the one end and the equal fixed connection of extending structure and outlet pipe of drum, and inside and the outlet pipe of drum communicate with each other and form the tube side circulation space.
Telescopic high-pressure seal connection structure suitable for vertical radial flow reactor, its the connecting piece is the drum structure, the cross section of the one end section of thick bamboo wall of drum is the Y type, and forms concentric interior annular and outer annular in the one end of drum, interior annular and outlet pipe butt joint, outer annular is connected with extending structure.
The utility model provides a reactor, includes reactor shell and inside from its central gas distribution pipe, interior catalyst frame, catalyst bed that radially from inside to outside set gradually at reactor shell, with the cylindrical gas collector of reactor shell inner wall connection and be located the regional tube bank of catalyst, the tube bank links to each other its characterized in that with the outlet pipe: the outlet pipe is connected with the reactor shell through the telescopic high-pressure sealing connection structure.
The utility model discloses a but mouth of pipe extending structure's setting can make the deformation of casing transmit extending structure through the sleeve pipe, but the deformation of outlet pipe transmits extending structure through the connecting piece to through extending structure's deformation, absorb outlet pipe and casing along axial thermal expansion difference, and can partially offset the axial load with the outside pipeline that the outlet pipe is connected, guarantee business turn over union coupling's leakproofness and reliability.
Drawings
FIG. 1 is a schematic view of the reactor of the present invention.
Fig. 2 is an exploded schematic view of the present invention.
The labels in the figure are: 1 is telescopic high-pressure seal connection structure, 2 is the sleeve pipe, 3 is the reactor casing, 4 is the head, 5 is extending structure, 6 is the connecting piece, 8 is the outlet pipe, 9 is tube side circulation space, 10 is radial annular gap, 11 is interior annular, 12 is outer annular, 13 is location structure, 14 is the outside pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that the indication of the position or the positional relationship is based on the position or the positional relationship shown in the drawings, or the position or the positional relationship that the utility model is usually placed when using, or the position or the positional relationship that the skilled person conventionally understands, or the position or the positional relationship that the utility model is usually placed when using, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or suggest that the indicated device or element must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases for a person of ordinary skill in the art; the drawings in the embodiments are provided to clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Example 1:
as shown in fig. 1 and 2, a telescopic high-pressure sealing connection structure 1 suitable for a vertical radial flow reactor comprises a sleeve 2, a telescopic structure 5 and an outlet pipe 8, specifically, the telescopic structure 5 is a high-pressure corrugated expansion joint, one end of the sleeve 2 is fixedly connected to a head 4 of a reactor shell 3, the other end of the sleeve 2 is connected to one end of a cylindrical telescopic structure 5, the sleeve extends into the shell, the other end of the telescopic structure 5 is connected to a connecting piece 6, the connecting piece 6 is a forged piece, the upper end of the connecting piece is connected to an external pipeline 14, the outlet pipe 8 of a reactor tube pass is arranged inside the sleeve 2 and the telescopic structure 5, the outlet pipe 8 is connected to and communicated with the connecting piece 6, the inside of the outlet pipe 8 and the inside of the connecting piece 6 communicated with the outlet pipe are formed into a tube pass flowing space 9, when the tube side tube bundle and the shell are deformed unequally, the deformation of the shell is transmitted to the telescopic structure through the sleeve in the axial direction of the tube bundle, the deformation of the outlet tube is transmitted to the telescopic structure through the connecting piece, and the axial thermal expansion difference between the outlet tube (or the tube bundle) and the shell is absorbed through the deformation of the telescopic structure, and the axial load of an external pipeline connected with the outlet tube can be partially offset.
The insides of the sleeve 2 and the telescopic structure 5 are communicated with the shell side of the reactor shell 3, radial annular gaps 10 which are communicated with each other and the shell side of the reactor are formed between the outlet pipe 8 and the telescopic structure 5 and between the outlet pipe 8 and the sleeve 2, and the radial annular gaps 10 form a non-flowing medium space. The radial clearance shape reduces the temperature gradient of the telescopic sealing connection structure, solves the problem of external high-pressure sealing connection, and simultaneously solves the problem of free expansion of the tube bundle due to the temperature difference between tube shell strokes.
In this embodiment, a positioning structure 13 is disposed between the outlet pipe 8 and the sleeve 2 and/or between the outlet pipe 8 and the telescopic structure 5, the positioning structure 13 is a positioning block annularly distributed along a radial direction of the outlet pipe 8, or a protrusion and groove structure mutually matched between the outlet pipe 8 and the sleeve 2, wherein the connecting member 6 is a part of the outlet pipe 8, and the other end of the telescopic structure 5 is directly connected to the outlet pipe 8.
Specifically, the connecting piece 6 is a cylindrical structure, the cross section of the wall of one end of the cylinder is Y-shaped, and an inner ring 11 and an outer ring 12 which are concentric are formed at one end of the cylinder, the inner ring 11 is butted with the outlet pipe 8, and the outer ring 12 is connected with the telescopic structure 5.
As another structure, the connecting piece 6 is a cylinder structure, one end of the cylinder is fixedly connected with the telescopic structure 5 and the outlet pipe 8, and the inside of the cylinder is communicated with the inside of the outlet pipe 8 to form a pipe pass circulation space 9.
The utility model discloses in, in footpath, because there is radial clearance space between outlet pipe and the sleeve pipe, can reduce the installation degree of difficulty and can balance the temperature gradient of casing and outlet pipe and the inequality deformation in footpath. In addition, because at the tip in clearance space, outlet pipe, the position that extending structure is connected with the connecting piece respectively, accessible welding etc. mode is connected extending structure and outlet pipe respectively on the connecting piece, consequently can improve the leakproofness of connecting and sealed reliability, eliminated the deformation difference of tube bank outlet pipe and casing promptly through setting up the extending structure to high-pressure seal's reliability has been improved.
Example 2:
as shown in fig. 1, a reactor comprises a reactor shell 3, and a gas distribution pipe, an inner catalyst frame, a catalyst bed layer, a cylindrical gas collector connected with the inner wall of the reactor shell 3, and a pipe bundle located in a catalyst area, which are sequentially arranged from the center of the reactor shell 3 along a radial direction from inside to outside, the pipe bundle is connected with an outlet pipe 8, and the outlet pipe 8 is connected with the reactor shell 3 through a telescopic high-pressure sealing connection structure described in embodiment 1.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a telescopic high pressure seal connection structure suitable for vertical radial flow reactor which characterized in that: including sleeve pipe (2), extending structure (5) and outlet pipe (8), the one end fixed connection of sleeve pipe (2) is on head (4) of reactor casing (3), the other end of sleeve pipe (2) links to each other with the one end of extending structure (5), the other end of extending structure (5) links to each other with connecting piece (6), the outlet pipe (8) of reactor tube side set up the inside at sleeve pipe (2) and extending structure (5), outlet pipe (8) link to each other and inside communicates with each other with connecting piece (6), inside connecting piece (6) that are linked together rather than of outlet pipe (8) are inside to be pipe side circulation space (9).
2. The telescopic high-pressure sealing connection structure suitable for the vertical radial flow reactor according to claim 1, wherein: the inside of sleeve pipe (2) and extending structure (5) communicates with each other with the shell side of reactor shell (3), form radial annular gap (10) that intercommunication and reactor shell journey communicate each other between outlet pipe (8) and extending structure (5) and between outlet pipe (8) and sleeve pipe (2), radial annular gap (10) form the non-flowing medium space.
3. The telescopic high-pressure sealing connection structure suitable for the vertical radial flow reactor according to claim 1, wherein: the telescopic structure (5) is a high-pressure corrugated expansion joint.
4. The telescopic high-pressure sealing connection structure suitable for the vertical radial flow reactor according to claim 1, wherein: the upper end of the connecting piece (6) is connected with an external pipeline (14).
5. The telescopic high-pressure sealing connection structure suitable for the vertical radial flow reactor according to claim 1, wherein: positioning structures (13) are arranged between the outlet pipe (8) and the sleeve (2) and/or between the outlet pipe (8) and the telescopic structure (5).
6. The telescopic high-pressure sealing connection structure suitable for the vertical radial flow reactor according to claim 5, wherein: the positioning structures (13) are positioning blocks which are distributed along the radial direction of the outlet pipe (8) in an annular mode, or are protrusion and groove structures which are matched with each other between the outlet pipe (8) and the sleeve (2).
7. The telescopic high-pressure sealing connection structure suitable for the vertical radial flow reactor according to claim 1, wherein: the connecting piece (6) is part of the outlet pipe (8), and the other end of the telescopic structure (5) is directly connected to the outlet pipe (8).
8. The telescopic high-pressure sealing connection structure suitable for the vertical radial flow reactor according to any one of claims 1 to 7, wherein: the connecting piece (6) is of a cylinder structure, one end of the cylinder is fixedly connected with the telescopic structure (5) and the outlet pipe (8), and the interior of the cylinder is communicated with the interior of the outlet pipe (8) to form a pipe pass circulation space (9).
9. The telescopic high-pressure sealing connection structure suitable for the vertical radial flow reactor according to any one of claims 1 to 7, wherein: the connecting piece (6) is of a cylinder structure, the cross section of the cylinder wall at one end of the cylinder is Y-shaped, one end of the cylinder is provided with an inner ring (11) and an outer ring (12) which are concentric, the inner ring (11) is in butt joint with the outlet pipe (8), and the outer ring (12) is connected with the telescopic structure (5).
10. The utility model provides a reactor, includes reactor shell (3) and inside from its central gas distribution pipe, interior catalyst frame, catalyst bed that radially from inside to outside set gradually in reactor shell (3) are along the cylinder gas collector of radially from inside to outside, be connected with reactor shell (3) inner wall and be located the tube bank in catalyst region, the tube bank links to each other its characterized in that with outlet pipe (8): the outlet pipe (8) is connected to the reactor shell (3) by means of a telescopic high-pressure sealed connection according to any of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022893084.XU CN213913816U (en) | 2020-12-04 | 2020-12-04 | Telescopic high-pressure sealing connection structure suitable for vertical radial flow reactor and reactor |
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| CN202022893084.XU CN213913816U (en) | 2020-12-04 | 2020-12-04 | Telescopic high-pressure sealing connection structure suitable for vertical radial flow reactor and reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115007066A (en) * | 2022-08-05 | 2022-09-06 | 山西阳煤化工机械（集团）有限公司 | Cold hydrogenation reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115007066A (en) * | 2022-08-05 | 2022-09-06 | 山西阳煤化工机械（集团）有限公司 | Cold hydrogenation reactor |
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