CN218626911U - Flexible connection section of high-temperature flue gas exhaust system - Google Patents

Flexible connection section of high-temperature flue gas exhaust system Download PDF

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Publication number
CN218626911U
CN218626911U CN202221924044.XU CN202221924044U CN218626911U CN 218626911 U CN218626911 U CN 218626911U CN 202221924044 U CN202221924044 U CN 202221924044U CN 218626911 U CN218626911 U CN 218626911U
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China
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pipe
flexible
section
connection section
flexible connection
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CN202221924044.XU
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Chinese (zh)
Inventor
盛亮
水鹏程
马静
刘建阳
季玲玲
谢月
於飞
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Aerosun Tola Expansion Joint Co ltd
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Aerosun Tola Expansion Joint Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/30Technologies for a more efficient combustion or heat usage

Abstract

The utility model provides a flexible connecting section of a high-temperature flue gas exhaust system, which is provided with a first flexible connecting section corrugated pipe and a second flexible connecting section corrugated pipe for absorbing the displacement generated by a heat exchanger and an exhaust system; the flexible connecting section supporting spring assembly and the flexible connecting section support assembly II are arranged to bear the gravity of the flexible connecting section, so that the stress at the pipe orifice of the lower square pipe-to-round pipe is lowest; the first flexible connecting section support assembly and the second flexible connecting section support assembly are arranged to bear the limiting effect of earthquake displacement, the flexible connecting section is prevented from being damaged due to earthquake displacement, and the heat insulation structure adopts a nano and ceramic fiber composite heat insulation structure, so that the weight of a heat insulation layer is reduced; the square-to-round part is provided with a manhole, so that the installation and the maintenance are convenient; the inner side of the corrugated pipe is provided with the lining barrel, so that the friction of a medium is reduced, the flow is stable, and the possibility of resonance of the corrugated pipe is reduced; an outer jacket is provided on the outside to protect the corrugated tube from external impact.

Description

Flexible connection section of high-temperature flue gas exhaust system
Technical Field
The utility model relates to a flexonics technical field, concretely relates to high temperature flue gas exhaust system flexible connection section.
Background
The smoke exhaust system is arranged in an air heat exchanger process chamber of a factory building, belongs to an accessory of an air heat exchanger, and is used for guiding hot air exhausted by the heat exchanger to an accident waste heat exhaust system air exhaust chimney, the design temperature of the high-temperature smoke exhaust system reaches up to 550 ℃, the heat exchanger and the exhaust system can generate great thermal displacement and earthquake displacement, meanwhile, the stress of the mouth part of the heat exchanger and the surface temperature of equipment have strict requirements, the displacement needs to be compensated, and the professional problems of an expansion joint body, a supporting structure, a civil construction embedded part, a heat insulation structure and the like need to be comprehensively considered, the requirement cannot be met by arranging a single metal corrugated pipe expansion joint, and meanwhile, the traditional welding structure can generate the problem of thermal stress due to high-temperature expansion of the equipment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high temperature flue gas exhaust system flexonics section to solve single corrugated metal pipe expansion joint and can't satisfy heat exchanger and exhaust system and produce very big thermal displacement and earthquake displacement, traditional welded structure, equipment can be because of the high temperature expansion and produce the problem of thermal stress.
The utility model provides a high temperature flue gas exhaust system flexible connection section, include: the flexible connecting section comprises a first flexible connecting section corrugated pipe, a second flexible connecting section corrugated pipe, a first flexible connecting section connecting pipe, a second flexible connecting section connecting pipe, a third flexible connecting section connecting pipe, a square pipe-to-round pipe assembly, a taper pipe assembly and a square pipe;
the utility model discloses a chimney, including square pipe, flexible connection section bellows, taper pipe subassembly, flexible connection section bellows, square pipe becomes the upper end of pipe subassembly and connects flexible connection section connecting pipe No. three, the upper end of flexible connection section connecting pipe No. three is connected flexible connection section bellows No. two, the upper end of flexible connection section connecting pipe No. two is connected flexible connection section bellows No. one, the upper end of flexible connection section connecting pipe No. one is connected the taper pipe subassembly, square pipe becomes the pipe subassembly flexible connection section connecting pipe No. three flexible connection section bellows No. two flexible connection section connecting pipe No. two flexible connection section bellows No. one flexible connection section connecting pipe No. one, the barrel that the taper pipe subassembly connects into passes the floor and reachs the chimney, promptly the top of taper pipe subassembly is connected the chimney.
Furthermore, a first corrugated pipe lining cylinder is arranged on the inner side of the first flexible connecting section corrugated pipe, a first corrugated pipe outer sheath is arranged on the outer side of the first flexible connecting section corrugated pipe, one end of the first corrugated pipe lining cylinder is connected to the inner wall of the second flexible connecting section connecting pipe, the other end of the first corrugated pipe lining cylinder is not connected, a plurality of sets of ear plates are arranged at corresponding positions on the bottom end of the first flexible connecting section connecting pipe and the outer wall of the top end of the second flexible connecting section connecting pipe, the first corrugated pipe outer sheath is connected with the ear plates at corresponding positions, the first flexible connecting section connecting pipe and the two corresponding ear plates on the second flexible connecting section connecting pipe are connected through pull rods, a second corrugated pipe lining cylinder is arranged on the inner side of the second flexible connecting section corrugated pipe, a second corrugated pipe outer sheath is arranged on the outer side of the second flexible connecting section connecting pipe, a plurality of sets of ear plates are arranged at corresponding positions on the bottom end of the second flexible connecting pipe and the outer wall of the top end of the third flexible connecting section connecting pipe, the second bellows outer sheath is connected with the lug plates at the corresponding positions, the second flexible connecting section connecting pipe and the third flexible connecting section connecting pipe are connected through the pull rod, a civil engineering embedded part is embedded in a floor slab, the first flexible connecting section support ring component is fixed on the outer wall of the third flexible connecting section connecting pipe through a plurality of groups of fixing blocks, one end of the first flexible connecting section support spring component is connected on the civil engineering embedded part, the other end of the first flexible connecting section support ring component is connected on the first flexible connecting section support ring component, and the first flexible connecting section support spring component is arranged on the inner side of the first flexible connecting section support ring component, the left and right sides of flexible connection section support ring subassembly No. one all be connected with flexible connection section bracket component No. one with flexible connection section supporting spring subassembly, flexible connection section support ring subassembly is No. two fixed through the multiunit fixed block the outer wall of flexible connection section connecting pipe No. one, the one end of flexible connection section bracket component No. two is connected on the native building built-in fitting, the other end is connected on flexible connection section support ring subassembly No. two, both ends all are connected with about flexible connection section support ring subassembly No. two flexible connection section bracket component.
Furthermore, a heat exchanger is arranged at the bottom end of the square pipe.
Furthermore, a manhole and a temperature measuring hole are arranged on the side surface of the square tube-to-round tube component.
Furthermore, the square pipe-to-round pipe assembly, the flexible connection section connecting pipe III, the flexible connection section corrugated pipe II, the flexible connection section connecting pipe II, the flexible connection section corrugated pipe I, the flexible connection section connecting pipe I and the conical pipe assembly are all provided with a heat insulation layer, and the heat insulation layer is a composite heat insulation structure of nanometer heat insulation materials and ceramic fibers.
Furthermore, the first flexible connecting section support ring assembly and the second flexible connecting section support ring assembly are of a floating bearing structure, and the flexible connecting section support spring assembly is a constant force spring.
The utility model has the advantages as follows: the utility model provides a flexible connecting section of a high-temperature flue gas exhaust system, which is provided with a first flexible connecting section corrugated pipe and a second flexible connecting section corrugated pipe to absorb the displacement generated by a heat exchanger and an exhaust system; the flexible connecting section supporting spring assembly and the flexible connecting section support assembly II are arranged to bear the gravity of the flexible connecting section, so that the stress at the pipe orifice of the lower square pipe-to-round pipe is lowest; the first flexible connecting section support assembly and the second flexible connecting section support assembly are arranged to bear the limiting effect of earthquake displacement, the flexible connecting sections are prevented from being damaged due to earthquake displacement, and the heat insulation structure adopts a nano and ceramic fiber composite heat insulation structure, so that the weight of a heat insulation layer is reduced; a manhole is arranged at the square-to-round position, so that the installation and the maintenance are convenient; the inner side of the corrugated pipe is provided with the lining barrel, so that the friction of a medium is reduced, the flow is stable, and the possibility of resonance of the corrugated pipe is reduced; an outer jacket is provided on the outside to protect the corrugated tube from external impact.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a sectional view of a flexible connection section of a high-temperature flue gas exhaust system provided by the present invention;
fig. 2 is a schematic diagram of a cross-sectional view of a flexible connection section of a high-temperature flue gas exhaust system provided by the present invention, which rotates by 45 degrees;
fig. 3 is a schematic view of the heat insulation structure of the flexible connection section of the high temperature flue gas exhaust system. Illustration of the drawings: 1-flexible connecting section first corrugated pipe, 2-flexible connecting section second corrugated pipe, 3-flexible connecting section first connecting pipe, 4-flexible connecting section second connecting pipe, 5-flexible connecting section third connecting pipe, 6-corrugated pipe lining barrel first, 7-corrugated pipe outer sheath first, 8-civil construction embedded part, 9-flexible connecting section support ring component first, 10-flexible connecting section support ring component second, 11-flexible connecting section support component first, 12-flexible connecting section support component second, 13-square pipe variable circular pipe component, 14-taper pipe component, 15-flexible connecting section support spring component, 16-fixed block, 17-thermal insulation layer, 18-ear plate, 19-pull rod, 20-chimney, 21-floor slab, 22-manhole, 23-square pipe, 24-temperature measuring hole, 25-heat exchanger, 26-corrugated pipe lining barrel second, 27-corrugated pipe outer sheath second, 28-nanometer and 29-ceramic fiber.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure herein. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.
Referring to fig. 1 to 3, the present invention provides a flexible connection section of a high temperature flue gas exhaust system, including: the flexible connecting section comprises a first flexible connecting section corrugated pipe 1, a second flexible connecting section corrugated pipe 2, a first flexible connecting section connecting pipe 3, a second flexible connecting section connecting pipe 4, a third flexible connecting section connecting pipe 5, a square pipe-to-round pipe assembly 13, a taper pipe assembly 14 and a square pipe 23;
wherein the square pipe 23 is arranged at the bottommost end, the bottom end of the square pipe 23 is provided with a heat exchanger 25, the heat exchanger is a device for transferring heat from hot fluid to cold fluid so as to meet the specified process requirements, the heat exchanger is an industrial application of convective heat transfer and heat conduction, the heat exchanger 25 is used for transferring hot gas upwards, the upper end of the square pipe 23 is connected with a square pipe-to-round pipe assembly 13, the upper end of the square pipe-to-round pipe assembly 13 is connected with a third flexible connecting section connecting pipe 5, the upper end of the third flexible connecting section connecting pipe 5 is connected with a second flexible connecting section corrugated pipe 2, the upper end of the second flexible connecting section corrugated pipe 2 is connected with a second flexible connecting section connecting pipe 4, the upper end of No. 4 of flexonics section connecting pipe is connected No. 1 of flexonics section bellows, the upper end of 1 of flexonics section bellows is connected No. 3 of flexonics section connecting pipe, the upper end of 3 of flexonics section connecting pipe is connected taper pipe subassembly 14, taper pipe subassembly 14 is narrow wide cylinder conical barrel in the lower, and the bellows has the corrugated casing of the cylindrical thin wall of a plurality of horizontal ripples, and the bellows has elasticity, can produce the displacement under pressure, axial force, transverse force or moment of flexure effect, the utility model discloses in bellows No. 1 with No. 2 of bellows undertake the displacement that absorbs heat exchanger 25 and exhaust system and produce.
Specifically, the square tube 23, the square tube-to-tube assembly 13, the flexible connection section connection tube No. three 5, the flexible connection section bellows No. 2, the flexible connection section connection tube No. two 4, the flexible connection section bellows No. 1, the flexible connection section connection tube No. one 3, the cylinder body connected by the taper tube assembly 14 passes through the floor 21 and reaches the chimney 20, that is, the top end of the taper tube assembly 14 is connected to the chimney 20, and in the using process, the flue gas passes through the heat exchanger 25 at the bottom end of the square tube 23, passes through the square tube-to-tube assembly 13, passes through the flexible connection section connection tube No. three 5, passes through the flexible connection section bellows No. two 2, passes through the flexible connection section connection tube No. two 4, passes through the flexible connection section bellows No. 1, passes through the flexible connection section connection tube No. one 3, passes through the taper tube assembly 14, reaches the upper portion draft chimney 20, and is finally discharged into the atmosphere.
Specifically, the inner side of the first flexible connecting section corrugated pipe 1 is provided with a first corrugated pipe lining cylinder 6, the outer side of the first corrugated pipe lining cylinder 7 is provided with a corrugated pipe outer sheath 7, one end of the first corrugated pipe lining cylinder 6 is connected to the inner wall of the second flexible connecting section connecting pipe 4, the other end of the first corrugated pipe lining cylinder 6 is not connected, the bottom end of the first flexible connecting section connecting pipe 3 and the corresponding position on the outer wall of the top end of the second flexible connecting section connecting pipe 4 are provided with a plurality of groups of lug plates 18, the first corrugated pipe outer sheath 7 and the corresponding position on the lug plates 18 are connected, the first flexible connecting section connecting pipe 3 and the corresponding two lug plates 18 on the second flexible connecting section connecting pipe 4 are connected through a pull rod 19, the inner side of the second flexible connecting section corrugated pipe 2 is provided with a second corrugated pipe lining cylinder 26, the outer side of the second corrugated pipe 27 is provided with a second corrugated pipe outer sheath 27, the bottom end of the second flexible connecting section connecting pipe 4 and the corresponding position on the outer wall of the top end of the third flexible connecting section connecting pipe 5 are provided with a plurality of lug plates 18, and the flexible connecting pipe inner lining cylinder 19 and the flexible connecting pipe 2 and the corrugated pipe are connected through a plurality of the flexible connecting pipe, and the connecting pipe 19, so that the connecting pipe can reduce the possibility of the friction between the first corrugated pipe lining cylinder and the corrugated pipe 6 and the corrugated pipe.
The design of the first corrugated pipe lining cylinder No. 6 and the second corrugated pipe lining cylinder No. 26 can effectively reduce medium friction, enable the medium friction to flow stably and reduce the possibility of corrugated pipe resonance, and the first corrugated pipe outer sheath No. 7 and the second corrugated pipe outer sheath No. 27 can effectively protect the corrugated pipe from being damaged by external impact.
Specifically, a civil engineering embedded part 8 is embedded in a floor slab 21, a first flexible connecting section support ring assembly 9 is fixed on the outer wall of a third flexible connecting section connecting pipe 5 through a plurality of groups of fixing blocks 16, one end of a first flexible connecting section support spring assembly 15 is connected to the civil engineering embedded part 8, the other end of the first flexible connecting section support ring assembly is connected to the first flexible connecting section support ring assembly 9, one end of a first flexible connecting section support ring assembly 11 is connected to the civil engineering embedded part 8, the other end of the first flexible connecting section support ring assembly is connected to the first flexible connecting section support ring assembly 9, the flexible connecting section support spring assembly 15 is arranged on the inner side of the first flexible connecting section support ring assembly 11, the first flexible connecting section support ring assembly 11 and the flexible connecting section support spring assembly 15 are connected to the left side and the right side of the first flexible connecting section support ring assembly 9, a flexible connecting section support ring component II 10 is fixed on the outer wall of the flexible connecting section connecting pipe I3 through a plurality of groups of fixing blocks 16, one end of a flexible connecting section support ring component II 12 is connected to the soil building embedded part 8, the other end of the flexible connecting section support ring component II is connected to the flexible connecting section support ring component II 10, the left end and the right end of the flexible connecting section support ring component II 10 are both connected with the flexible connecting section support ring component II 12, the flexible connecting section support ring component I9 and the flexible connecting section support ring component II 10 are floating force bearing structures, and the flexible connecting section support spring component 15 is a constant force spring, so that the stress of a square round pipe opening is reduced while the equipment displacement is met; the first flexible connecting section support ring assembly 9 and the second flexible connecting section support ring assembly 10 are floating bearing structures, and the floating bearing structures replace the traditional welding structures, so that the problem of high-temperature expansion thermal stress of equipment is effectively solved.
Specifically, the side of the square tube-to-tube circular tube assembly 13 is provided with a manhole 22 and a temperature measuring hole 24, the manhole 22 effectively solves the problems of installation and maintenance, and the temperature measuring hole 24 is designed to facilitate real-time monitoring of temperature change inside the flexible connection section during work.
Specifically, square pipe 23 square pipe becomes pipe subassembly 13 flexible connection section connecting pipe No. three 5 flexible connection section bellows No. 2 flexible connection section bellows No. two 4 flexible connection section connecting pipe No. 1 flexible connection section bellows No. 3 flexible connection section connecting pipe No. 3 the outside of taper pipe subassembly 14 all sets up insulating layer 17, insulating layer 17 is the compound thermal-insulated structure of nanometer thermal insulation material 28 and ceramic fiber 29, adopts the compound thermal-insulated structure of nanometer thermal insulation material 28 with ceramic fiber 29 can alleviate insulating layer weight effectively, reduces the load, ensures that equipment surface temperature satisfies the designing requirement when reducing thickness and lightening weight.
The utility model provides a pair of high temperature flue gas exhaust system flexible connection section, theory of use: flue gas process square 23 bottom heat exchanger 25, through square become pipe subassembly 13, pass through No. 5 of flexible coupling section connecting pipe, pass through No. 2 of flexible coupling section bellows, pass through No. 4 of flexible coupling section connecting pipe, pass through No. 1 of flexible coupling section bellows, pass through No. 3 of flexible coupling section connecting pipe, pass through taper pipe subassembly 14 reachs upper portion draft chimney 20, finally discharges into the atmosphere, at this in-process, bellows No. 1 with bellows No. 2 undertake the displacement that absorbs heat exchanger 23 and exhaust system and produce, flexible coupling section supports spring assembly 15 and flexible coupling section bracket assembly No. 12 and undertakes the gravity of flexible coupling section, makes the lower part the stress of square pipe subassembly 13 pipe mouth of pipe department reaches minimum, the limiting displacement of flexible coupling section bracket assembly No. 11 and flexible coupling section bracket assembly No. 12 earthquake prevents that flexible coupling section from destroying because earthquake displacement, flexible coupling section one 11 with flexible coupling section 12 with flexible coupling section bracket assembly 15 with flexible coupling section support spring assembly 8 the building is connected in the building floor slab connection section support assembly 11 and the embedded part support the weight of the embedded part and the embedded part are connected together and are undertaken the gravity of flexible coupling section.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A high temperature flue gas exhaust system flexible connection section, characterized by, includes: the flexible connecting section comprises a first flexible connecting section corrugated pipe (1), a second flexible connecting section corrugated pipe (2), a first flexible connecting section connecting pipe (3), a second flexible connecting section connecting pipe (4), a third flexible connecting section connecting pipe (5), a square pipe-to-round pipe assembly (13), a taper pipe assembly (14) and a square pipe (23);
square pipe (23) are arranged in the bottommost end, square pipe (23) upper end connection side becomes pipe subassembly (13), square pipe becomes the upper end of pipe subassembly (13) and connects No. three (5) of flexible connection section connecting pipe, the upper end of flexible connection section connecting pipe No. three (5) is connected No. two (2) of flexible connection section bellows, the upper end of flexible connection section bellows No. two (2) is connected No. two (4) of flexible connection section connecting pipe, the upper end of flexible connection section connecting pipe No. two (4) is connected No. one (1) of flexible connection section bellows, the upper end of flexible connection section bellows No. 1 is connected No. one (3) of flexible connection section connecting pipe connect taper pipe subassembly (14), square pipe (23) square pipe becomes pipe subassembly (13) side pipe subassembly No. three (5) of flexible connection section connecting pipe No. two (2) of flexible connection section connecting pipe No. two (4) of flexible connection section bellows No. 1, flexible connection section connecting pipe subassembly (3) connect in the top of taper pipe subassembly (20) promptly and reach chimney assembly (20).
2. The flexible connection section of a high-temperature flue gas exhaust system according to claim 1, wherein a first bellows liner (6) is arranged on the inner side of the first flexible connection section bellows (1), a first bellows outer sheath (7) is arranged on the outer side of the first bellows liner, one end of the first bellows liner (6) is connected to the inner wall of the second flexible connection section connection tube (4), the other end of the first bellows liner is disconnected, the bottom end of the first flexible connection section connection tube (3) is connected to the outer wall of the top end of the second flexible connection section connection tube (4) through a plurality of sets of ear plates (18), the first bellows outer sheath (7) is connected to the ear plates (18) at corresponding positions, the first flexible connection section connection tube (3) and the second flexible connection section connection tube (4) are connected to each other through a pull rod (19), the second bellows liner (26) is arranged on the inner side of the second flexible connection section bellows (2), the second bellows liner (27) is arranged on the outer side of the first flexible connection section connection tube (4) and the outer wall of the third flexible connection section connection tube (4), the corresponding sets of the ear plates (18) and the third flexible connection section connection tube (5) are connected to each other corresponding positions, and the corresponding sets of the ear plates (18) of the first and the second bellows connection section connection tube (3) are connected to each other The embedded parts (8) of the civil construction are embedded in the floor slab (21) through the connection of the pull rods (19), one end of a flexible connecting section support ring assembly I (9) is connected to the civil engineering embedded part (8), the other end of the flexible connecting section support spring assembly (15) is connected to the flexible connecting section support ring assembly I (9), one end of a flexible connecting section support ring assembly I (11) is connected to the civil engineering embedded part (8), the other end of the flexible connecting section support ring assembly I (9) is connected to the flexible connecting section support ring assembly I (9), the flexible connecting section support spring assembly (15) is arranged on the inner side of the flexible connecting section bracket assembly I (11), the left side and the right side of the first flexible connecting section support ring component (9) are both connected with the first flexible connecting section support ring component (11) and the flexible connecting section support spring component (15), the second flexible connecting section support ring component (10) is fixed on the outer wall of the first flexible connecting section connecting pipe (3) through a plurality of groups of fixing blocks (16), one end of the second flexible connecting section support ring component (12) is connected on the civil engineering embedded part (8), the other end is connected on the second flexible connecting section support ring component (10), the left end and the right end of the flexible connecting section support ring component II (10) are connected with the flexible connecting section support component II (12).
3. A high temperature flue gas exhaust system flexible connection section according to claim 1, characterized in that the bottom end of the square pipe (23) is provided with a heat exchanger (25).
4. The flexible connecting section of a high-temperature flue gas exhaust system according to claim 1, wherein a manhole (22) and a temperature measuring hole (24) are arranged on the side surface of the square tube-to-round tube assembly (13).
5. The flexible connection section of a high-temperature flue gas exhaust system according to claim 1, wherein the square pipe (23), the square pipe-to-pipe assembly (13), the flexible connection section connection pipe No. three (5), the flexible connection section corrugated pipe No. two (2), the flexible connection section connection pipe No. two (4), the flexible connection section corrugated pipe No. one (1), the flexible connection section connection pipe No. one (3), and the outside of the conical pipe assembly (14) are all provided with a thermal insulation layer (17), and the thermal insulation layer (17) is a composite thermal insulation structure of a nanometer thermal insulation material (28) and ceramic fibers (29).
6. The flexible connection section of a high-temperature flue gas exhaust system according to claim 2, wherein the first flexible connection section support ring assembly (9) and the second flexible connection section support ring assembly (10) are floating force-bearing structures, and the flexible connection section support spring assembly (15) is a constant force spring.
CN202221924044.XU 2022-07-25 2022-07-25 Flexible connection section of high-temperature flue gas exhaust system Active CN218626911U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221924044.XU CN218626911U (en) 2022-07-25 2022-07-25 Flexible connection section of high-temperature flue gas exhaust system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221924044.XU CN218626911U (en) 2022-07-25 2022-07-25 Flexible connection section of high-temperature flue gas exhaust system

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Publication Number Publication Date
CN218626911U true CN218626911U (en) 2023-03-14

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Application Number Title Priority Date Filing Date
CN202221924044.XU Active CN218626911U (en) 2022-07-25 2022-07-25 Flexible connection section of high-temperature flue gas exhaust system

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