CN108397036B - Expansion joint device of steel/glass fiber reinforced plastic composite smoke exhaust facility - Google Patents
Expansion joint device of steel/glass fiber reinforced plastic composite smoke exhaust facility Download PDFInfo
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- CN108397036B CN108397036B CN201810485173.5A CN201810485173A CN108397036B CN 108397036 B CN108397036 B CN 108397036B CN 201810485173 A CN201810485173 A CN 201810485173A CN 108397036 B CN108397036 B CN 108397036B
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- cylinder section
- glass fiber
- fiber reinforced
- reinforced plastic
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/28—Chimney stacks, e.g. free-standing, or similar ducts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
Abstract
The invention discloses an expansion joint device of a steel/glass fiber reinforced plastic composite smoke exhaust facility, which comprises an upper cylinder section and a lower cylinder section which are connected with each other through a flange ring or a steel ring beam, wherein the upper cylinder section is internally provided with the upper cylinder section, and the lower cylinder section is internally provided with the lower cylinder section; the outside of bracket is equipped with the step that is used for spacing in flange ring or steel ring roof beam department, and the inboard is downwardly extending's socket joint section, and the socket joint section is inserted and is located the inboard of bell and spigot joint structure. The invention adopts the bell and spigot connection structure of the upper section glass fiber reinforced plastic inner cylinder and the lower section glass fiber reinforced plastic inner cylinder, and the bell and spigot can freely stretch up and down, thereby meeting the requirement that the expansion of the inner cylinder and the outer cylinder is inconsistent. Simultaneously, the sealing requirement is met, the upper section inner cylinder and the lower section inner cylinder are ensured to freely stretch, meanwhile, the flue gas or acid liquor is ensured not to permeate into the inner side of the outer cylinder, and the bearing outer cylinder is ensured not to be corroded by the flue gas.
Description
Technical Field
The invention relates to an expansion joint device of a steel/glass fiber reinforced plastic composite smoke exhaust facility, and belongs to the technical field of chimneys.
Background
Engineering projects have been carried out since the implementation of the "steel-glass fiber reinforced plastic composite smoke exhaust facility" (patent number 201721291016.8) patent technology. In the technical implementation process, some technical details need to be continuously deepened and perfected. For the section-connected steel-glass fiber reinforced plastic composite chimney and the chimney connected with the upper glass fiber reinforced plastic inner cylinder by the integral self-supporting glass fiber reinforced plastic inner cylinder supporting device, the outer bearing structure is integrally connected, and the whole structure has no expansion joint; and the expansion of the inner cylinder and the expansion of the external steel structure are inconsistent, and when the inner cylinder is supported in a segmented manner, expansion joints are needed to be arranged between the inner cylinders. However, the composite structure with the expansion joint arranged on the inner cylinder and the expansion joint arranged on the outer cylinder has the problems of difficult implementation, difficult quality control and the like.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the expansion joint structure of the steel-glass fiber reinforced plastic composite smoke exhaust facility is provided, so that when the steel-glass fiber reinforced plastic composite smoke exhaust device is connected in a segmented mode or the integral self-supporting glass fiber reinforced plastic inner cylinder supporting device is connected with the upper glass fiber reinforced plastic inner cylinder, the expansion joint structure with convenient construction, safety and reliability can be provided for the inner cylinder.
In order to solve the technical problems, the technical scheme of the invention is to provide an expansion joint device of a steel/glass fiber reinforced plastic composite smoke exhaust facility, wherein the composite smoke exhaust facility comprises an upper cylinder section and a lower cylinder section which are mutually connected through a flange ring or a steel ring beam, the upper cylinder section is internally provided with the upper cylinder section, and the lower cylinder section is internally provided with the lower cylinder section; the outside of bracket is equipped with the step that is used for spacing in flange ring or steel ring roof beam department, and the inboard is downwardly extending's socket joint section, and the socket joint section is inserted and is located the inboard of bell and spigot joint structure.
Preferably, the lower cylinder section sequentially comprises a steel outer cylinder, a polymer foaming composite material and a lower inner cylinder section from outside to inside, wherein the lower inner cylinder section is a single-section glass fiber reinforced plastic cylinder section; the upper inner cylinder section is a single-section glass fiber reinforced plastic cylinder section or a self-supporting glass fiber reinforced plastic inner cylinder section, when the upper inner cylinder section is a single-section glass fiber reinforced plastic cylinder section, the upper cylinder section sequentially comprises a steel outer cylinder, a polymer foam composite material and a lower inner cylinder section from outside to inside, and when the upper inner cylinder section is a self-supporting glass fiber reinforced plastic inner cylinder section, the upper cylinder section is the upper inner cylinder section.
More preferably, the length of the superposition part of the socket section and the faucet structure is larger than the maximum temperature deformation value of the single-section glass fiber reinforced plastic cylinder section; the vertical distance between the top surface of the bell and spigot structure and the flange ring or the steel ring beam and the vertical distance between the bottom surface of the socket section and the socket structure are all adapted to the maximum temperature deformation value of the single-section glass fiber reinforced plastic cylinder section.
Preferably, the surfaces of the flange ring and the steel ring beam are wrapped with skins.
Preferably, elastic colloid materials are arranged between the flange ring, the steel ring beam and the upper cylinder section or the lower cylinder section.
The principle of the invention is as follows: the socket can be freely stretched up and down by using the socket connection of the upper section glass fiber reinforced plastic inner cylinder and the lower section glass fiber reinforced plastic inner cylinder, so that the requirement that the expansion of the inner cylinder is inconsistent with that of the outer cylinder is met. Meanwhile, the flexible connection is arranged between the inner cylinder and the outer cylinder, so that the sealing requirement is met, the upper section inner cylinder and the lower section inner cylinder are ensured to freely stretch out and draw back, the flue gas or acid liquor is ensured not to permeate into the inner side of the outer cylinder, and the bearing outer cylinder is ensured not to be corroded by the flue gas.
The invention is suitable for the steel-glass fiber reinforced plastic composite chimney which is connected in a sectionalized way, and the chimney which is connected with the upper glass fiber reinforced plastic inner cylinder by the integral self-supporting glass fiber reinforced plastic inner cylinder supporting device.
Drawings
FIG. 1 is a cross-sectional elevation view of an expansion joint device of a steel/glass fiber reinforced plastic composite smoke exhaust facility provided in embodiment 1;
fig. 2 is a cross-sectional elevation view of the expansion joint device of the steel/glass fiber reinforced plastic composite smoke exhaust facility provided in embodiment 2.
Detailed Description
In order to make the invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Example 1
As shown in fig. 1, the expansion joint device of the steel/glass fiber reinforced plastic composite smoke exhaust facility provided by the embodiment adopts a steel-glass fiber reinforced plastic composite smoke exhaust facility (application number: 201721291016.8), namely, the smoke exhaust facility comprises an upper cylinder section and a lower cylinder section which are mutually connected through a flange ring 5, the upper cylinder section and the lower cylinder section have the same structure and sequentially comprise a steel outer cylinder 1, a polymer foam composite material 2 and an inner cylinder section from outside to inside, and the upper cylinder section 6 and the lower cylinder section 3 are single-section glass fiber reinforced plastic cylinder sections. The steel outer cylinder 1 is used for bearing; the inner cylinder section is made of glass fiber reinforced plastic and is used for corrosion prevention; the polymer foam composite material 2 is used for combining an inner cylinder and an outer cylinder, has a reinforcing function on the inner cylinder and the outer cylinder, and has more obvious reinforcing effect on the bearing capacity of the glass fiber reinforced plastic inner cylinder.
A bracket 7 is arranged below the upper inner barrel section 6, and a faucet structure 4 is arranged above the lower inner barrel section 3; the outside of bracket 7 is equipped with the step that is used for spacing in flange ring 5 department, and the inboard is the spigot-and-socket section of downwardly extending, and the spigot-and-socket section is inserted and is located the inboard of spigot-and-socket structure 4. The length b of the superposition part of the socket section and the faucet structure 4 is larger than the maximum temperature deformation value of the single-section glass fiber reinforced plastic cylinder section; the vertical distance a 'between the top surface of the bell and spigot structure 4 and the flange ring 5 or the steel ring beam 5', and the vertical distance a between the bottom surface of the socket section and the socket structure are all adapted to the maximum temperature deformation value of the single-section glass fiber reinforced plastic cylinder section.
The surface of the flange ring 5 is wrapped with a corrosion-resistant and high-temperature-resistant skin 9. An elastic colloid material 10 is arranged between the flange ring 5 and the lower cylinder section, has high temperature resistance and corrosion resistance, and plays a role in sealing.
The embodiment is suitable for the steel/glass fiber reinforced plastic composite smoke exhaust facilities with segmented connection.
Example 2
As shown in fig. 2, the expansion joint device of the steel/glass fiber reinforced plastic composite smoke exhaust facility provided by the embodiment comprises an upper barrel section and a lower barrel section which are mutually connected through a steel ring beam 5', wherein the lower barrel section adopts a steel-glass fiber reinforced plastic composite smoke exhaust facility (application number: 201721291016.8), namely, the lower barrel section sequentially comprises a steel outer barrel 1, a polymer foaming composite material 2 and a lower inner barrel section 3 from outside to inside, and the lower inner barrel section 3 is a glass fiber reinforced plastic barrel section. The steel outer cylinder 1 is used for bearing; the inner cylinder section is made of glass fiber reinforced plastic and is used for corrosion prevention; the polymer foam composite material 2 is used for combining an inner cylinder and an outer cylinder, has a reinforcing function on the inner cylinder and the outer cylinder, and has more obvious reinforcing effect on the bearing capacity of the glass fiber reinforced plastic inner cylinder. The upper cylinder section is an independent upper cylinder section 6, which adopts a self-supporting glass fiber reinforced plastic inner cylinder. The chimney is used for a smoke gate area. The upper cylinder section and the lower cylinder section are connected by adopting a multifunctional stiffening connecting device (application number: ZL 201720498219.8) of the glass fiber reinforced plastic inner cylinder.
A bracket 7 is arranged below the upper inner barrel section 6, and a faucet structure 4 is arranged above the lower inner barrel section 3; the outside of bracket 7 is equipped with the step that is used for spacing in steel ring roof beam 5' department, and the inboard is the socket joint section of downwardly extending, and the socket joint section is inserted and is located the inboard of socket joint structure 4. The length b of the superposition part of the socket section and the faucet structure 4 is larger than the maximum temperature deformation value of the single-section glass fiber reinforced plastic cylinder section; the vertical distance a between the bottom surface of the socket joint section and the socket joint structure is matched with the maximum temperature deformation value of the single-section glass fiber reinforced plastic cylinder section.
The steel ring beam 5' and the faucet structure 4 are bonded by the corrosion-resistant and high-temperature-resistant skin 9 and the elastic colloid material 10, so as to play a role in sealing.
The embodiment is suitable for selecting an integral self-supporting glass fiber reinforced plastic inner cylinder chimney corrosion prevention scheme, and is particularly suitable for the corrosion prevention reconstruction engineering of the existing single cylinder reinforced concrete chimney. The embodiment can eliminate the need of dismantling the existing chimney dust deposition platform, save a great amount of engineering consumption, directly utilize the dust deposition platform as the foundation of the supporting device, save investment and construction period, and facilitate the anti-corrosion transformation of the existing chimney.
Claims (2)
1. The expansion joint device of the steel/glass fiber reinforced plastic composite smoke exhaust facility comprises an upper cylinder section and a lower cylinder section which are mutually connected through a flange ring (5) or a steel ring beam (5'), wherein an upper inner cylinder section (6) is arranged in the upper cylinder section, and a lower inner cylinder section (3) is arranged in the lower cylinder section, and the expansion joint device is characterized in that a bracket (7) is arranged below the upper inner cylinder section (6), and a socket structure (4) is arranged above the lower inner cylinder section (3); the outer side of the bracket (7) is provided with a step for limiting the position of the flange ring (5) or the steel ring beam (5'), the inner side is a downward extending socket section, and the socket section is inserted into the inner side of the socket structure (4); the lower cylinder section sequentially comprises a steel outer cylinder (1), a polymer foaming composite material (2) and a lower inner cylinder section (3) from outside to inside, wherein the lower inner cylinder section (3) is a single-section glass fiber reinforced plastic cylinder section; the upper inner cylinder section (6) is a single-section glass fiber reinforced plastic cylinder section or a self-standing glass fiber reinforced plastic inner cylinder section, when the upper inner cylinder section (6) is a single-section glass fiber reinforced plastic cylinder section, the upper cylinder section sequentially comprises a steel outer cylinder (1), a polymer foam composite material (2) and a lower inner cylinder section (3) from outside to inside, and when the upper inner cylinder section (6) is a self-standing glass fiber reinforced plastic inner cylinder section, the upper cylinder section is the upper inner cylinder section (6); the length (b) of the overlapping part of the socket section and the faucet structure (4) is larger than the maximum temperature deformation value of the single-section glass fiber reinforced plastic cylinder section; the vertical distance (a ') between the top surface of the bell and spigot structure (4) and the flange ring (5) or the steel ring beam (5'), and the vertical distance (a) between the bottom surface of the bell and spigot section and the bell and spigot structure are all adapted to the maximum temperature deformation value of the single-section glass fiber reinforced plastic cylinder section; the surfaces of the flange ring (5) and the steel ring beam (5') are wrapped with a skin (9).
2. The expansion joint device of the steel/glass fiber reinforced plastic composite smoke exhaust facility according to claim 1, wherein elastic colloid materials (10) are arranged between the flange ring (5), the steel ring beam (5') and the upper cylinder section or the lower cylinder section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810485173.5A CN108397036B (en) | 2018-05-18 | 2018-05-18 | Expansion joint device of steel/glass fiber reinforced plastic composite smoke exhaust facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810485173.5A CN108397036B (en) | 2018-05-18 | 2018-05-18 | Expansion joint device of steel/glass fiber reinforced plastic composite smoke exhaust facility |
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| Publication Number | Publication Date |
|---|---|
| CN108397036A CN108397036A (en) | 2018-08-14 |
| CN108397036B true CN108397036B (en) | 2023-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810485173.5A Active CN108397036B (en) | 2018-05-18 | 2018-05-18 | Expansion joint device of steel/glass fiber reinforced plastic composite smoke exhaust facility |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004131938A (en) * | 2002-10-08 | 2004-04-30 | Mitsubishi Heavy Ind Ltd | Chimney |
| CN103343647A (en) * | 2013-07-16 | 2013-10-09 | 武汉理工大学 | Chimney adopting glass fiber reinforced plastic chimney inner barrel to discharge low-temperate high-humidity smoke |
| CN103422705A (en) * | 2013-08-27 | 2013-12-04 | 中国电力工程顾问集团华东电力设计院 | FRP (Fiber Reinforced Plastics) inner barrel suspension supporting system of chimney and chimney |
| CN107620514A (en) * | 2017-10-09 | 2018-01-23 | 上海必立结构设计事务所有限公司 | The compound smoke removal facility of steel-glass reinforced plastic |
| CN208502397U (en) * | 2018-05-18 | 2019-02-15 | 上海必立结构设计事务所有限公司 | The compound smoke removal facility expansion gap device of steel/glass reinforced plastic |
-
2018
- 2018-05-18 CN CN201810485173.5A patent/CN108397036B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004131938A (en) * | 2002-10-08 | 2004-04-30 | Mitsubishi Heavy Ind Ltd | Chimney |
| CN103343647A (en) * | 2013-07-16 | 2013-10-09 | 武汉理工大学 | Chimney adopting glass fiber reinforced plastic chimney inner barrel to discharge low-temperate high-humidity smoke |
| CN103422705A (en) * | 2013-08-27 | 2013-12-04 | 中国电力工程顾问集团华东电力设计院 | FRP (Fiber Reinforced Plastics) inner barrel suspension supporting system of chimney and chimney |
| CN107620514A (en) * | 2017-10-09 | 2018-01-23 | 上海必立结构设计事务所有限公司 | The compound smoke removal facility of steel-glass reinforced plastic |
| CN208502397U (en) * | 2018-05-18 | 2019-02-15 | 上海必立结构设计事务所有限公司 | The compound smoke removal facility expansion gap device of steel/glass reinforced plastic |
Non-Patent Citations (1)
| Title |
|---|
| 大型火电厂悬挂式钢内筒烟囱设计研究;杨小兵;何丽婷;田树桐;吴冰;;特种结构(第02期);第72-74、82页 * |
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