CN208122460U - Discharge the chimney anticorrosion inner sleeve structure of wet flue gas - Google Patents
Discharge the chimney anticorrosion inner sleeve structure of wet flue gas Download PDFInfo
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- CN208122460U CN208122460U CN201821481855.0U CN201821481855U CN208122460U CN 208122460 U CN208122460 U CN 208122460U CN 201821481855 U CN201821481855 U CN 201821481855U CN 208122460 U CN208122460 U CN 208122460U
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Abstract
A kind of chimney anticorrosion inner sleeve structure of discharge wet flue gas of the utility model design, including fiber reinforced plastic barrel, flue support platform, inner cylinder suspension platform, only shake platform, inner tube installation promotes platform, concrete outer cylinder, the fiber reinforced plastic barrel is set in flue support platform, and described set gradually one layer of inner cylinder suspension platform from the bottom to top on fiber reinforced plastic barrel, two layers only shake platform, another layer of inner cylinder suspension platform, inner tube installation promotes platform, it is external that the concrete outer cylinder is set to glass fibre reinforced plastic cylinder, the characteristics of this structure is, it is excellent from antiseptic property, it is resistant to the corrosion of wet flue gas, and there is enough structural strengths；Flue support platform is located at the inside of concrete outer cylinder, can make full use of concrete outer tube structure, reduces a part of flue bracket；Inner cylinder suspension platform and only rolling platform, are steel construction, and production is simple, and in-site installation is convenient, can effectively be accelerated construction progress.
Description
Technical field
The utility model relates to chimney structure design fields, and in particular to it is a kind of discharge wet flue gas chimney anticorrosion in
Tube-in-tube structure.
Background technique
State Environmental Protection Administration on January 1 issuing and implementation in 2004《Fossil-fuel power plant atmospheric pollutant emission standard》
（GB13223-2003）Since, the flue gas desulphurization system that coal fired thermal power plant installs additional largely uses Limestone-gypsum Wet Flue Gas Desulfurization Process
Technique, and be equipped with GGH flue gas heater, into chimney temperature about at 70 DEG C~85 DEG C or so, inner wall of stack has slight moisture condensation,
It is smaller to chimney corrosivity；Because of the energy consumption and problems of GGH system itself, present wet desulphurization industry generally no longer goes up GGH
System, into chimney smoke temperature between 40 DEG C~50 DEG C, flue gas lifting force is small, in chimney flue gas be in half barotropic state, it is interior
Wall moisture condensation is serious, and acid drop forms the moisture condensation liquid of trickling along barrel, stronger to chimney wall corrosivity.This will be to chimney structure
Safety causes damages, and brings major safety risks to unit normal operation.
Issuing and implementation on May 1st, 2013《Code for design of chimneys》（GB50051-2013）To wet flue gas chimney after desulfurization
Design more stringent requirements are proposed.
Utility model content
That the purpose of this utility model is to provide a kind of structures is safe and reliable, antiseptic property is excellent, repair and maintenance is convenient, peace
Threading degree is relatively fast, the chimney anticorrosion inner sleeve structure of the relatively low discharge wet flue gas of cost of investment.
To achieve the goals above, the chimney anticorrosion inner sleeve structure of a kind of discharge wet flue gas of the utility model design,
Including fiber reinforced plastic barrel, flue support platform, inner cylinder suspension platform, only shake platform, inner tube installation promotes platform, outside concrete
Cylinder, the fiber reinforced plastic barrel is set in flue support platform, and described sets gradually one layer from the bottom to top on fiber reinforced plastic barrel
Inner cylinder suspension platform only shakes platform, another layer of inner cylinder suspension platform, inner tube installation promotion platform, the concrete outer cylinder for two layers
It is external set on glass fibre reinforced plastic cylinder.The characteristics of this structure, is, excellent from antiseptic property, is resistant to the corrosion of wet flue gas, and has
Enough structural strengths；Flue support platform is located at the inside of concrete outer cylinder, can make full use of concrete outer tube structure, subtract
Few a part of flue bracket；Inner cylinder suspension platform and platform is only shaken, be steel construction, production is simple, and in-site installation is convenient, can be with
Effectively accelerate construction progress.
Further embodiment is that the bottom of the fiber reinforced plastic barrel is equipped with gas approach, and the gas approach and glass
Glass steel cylinder is by flanged joint, and the side steel flange of the flange, the other side is glass fiber reinforced plastic flange, steel flange and glass reinforced plastic method
Rubber pad, which is set, among blue is effectively sealed docking.The characteristics of this structure is installation convenience, the construction quality of connecting node
It is easy to guarantee.
Further scheme is that the fiber reinforced plastic barrel between the upper layer and lower layer suspension platform is equipped with overall sulfur
Change fluorubber expansion joint.The characteristics of this structure is can not only to meet the release request of structure temperature stress, and antiseptic property is excellent
Good and convenient for safeguarding and maintenance.
Further embodiment is that the flue support platform, inner cylinder suspension platform only shake platform, inner tube installation promotion
Steel corbel is equipped between platform and concrete outer tube inner wall.The characteristics of this structure is that steel corbel is welded on inner wall embedded part,
Installation leveling is not only contributed to, and is more advantageous to outer tube wall using whole slding form operation.
The beneficial effects of the utility model are：The utility model structural system is conducive to earthquake-resistant structure, glass from heavy and light
Steel cylinder is excellent from antiseptic property, is resistant to the corrosion of wet flue gas, and have enough structural strengths.On the one hand, flue branch
Support platform is located at the inside of concrete outer cylinder, can make full use of concrete outer tube structure, reduce a part of flue bracket.It is another
Aspect, inner cylinder suspension platform and only rolling platform, are steel construction, and production is simple, and in-site installation is convenient, can effectively accelerate to construct
Progress.Steel flue gas duct and glass reinforced plastic inner cylinder are further contemplated by flanged joint, side steel flange, side glass fiber reinforced plastic flange, in
Between set ethylene-propylene-diene monomer rubber mat and be effectively sealed docking, antiseptic property is excellent, installation convenience, the construction quality of connecting node
It is easy to guarantee.Whole vulcanised fluororubbers expansion joint is further contemplated, the release request of structure temperature stress can not only be met,
Antiseptic property is excellent, and convenient for safeguarding and maintenance.It further considers the main girder steel of platform and concrete outer tube inner wall is logical
Steel corbel bearing is crossed, steel corbel is welded on inner wall embedded part, not only contributes to installation leveling, and be more advantageous to outer tube wall use
Whole slding form operation.
Detailed description of the invention
Fig. 1 is the concrete structure schematic diagram of the utility model.
Specific embodiment
The utility model is further detailed with reference to embodiments：
Embodiment 1：
As shown in Figure 1, a kind of chimney anticorrosion inner sleeve structure of discharge wet flue gas of the utility model, including glass fibre reinforced plastic cylinder
Body 1, inner cylinder suspension platform 3, only shakes platform 4, inner tube installation promotion platform 5, concrete outer cylinder 10 at flue support platform 2, special
Sign is that the fiber reinforced plastic barrel 1 is set in flue support platform 2, and described successively sets from the bottom to top on fiber reinforced plastic barrel 1
It sets one layer of inner cylinder suspension platform 3, only shake platform 4, another layer of inner cylinder suspension platform 3, inner tube installation promotion platform 5 for two layers, it is described
Concrete outer cylinder 10 is set to outside fiber reinforced plastic barrel 1.The bottom of the fiber reinforced plastic barrel 1 is equipped with gas approach 6, and the entrance
Flue 6 is connect with fiber reinforced plastic barrel 1 by flange 7, and the side steel flange of the flange 7, the other side is glass fiber reinforced plastic flange, steel method
Rubber pad, which is set, among blue and glass fiber reinforced plastic flange is effectively sealed docking.Glass between the upper layer and lower layer suspension platform
Glass steel cylinder 1 is equipped with whole vulcanised fluororubbers expansion joint 8.The flue support platform 2, inner cylinder suspension platform 3, only shake it is flat
Platform 4, inner tube installation are promoted and are equipped with steel corbel 9 between platform 5 and 10 inner wall of concrete outer cylinder.
Implementation steps：
Concrete outer cylinder 10 is individually constructed, and the bearing built-in fitting of steel platform has been reserved, and smoothly application is state-of-the-art whole sliding
Mould construction technology, up construction reduces the concrete bracket formwork time, is easy to guarantee that the construction of bracket section outer wall is poured to top step by step
Smash quality.Then steel corbel 9 is welded, platform girder is held on 9 top surface of steel corbel, successively installs by the top-to-bottom of chimney
Sequence steel platform, give after the completion inner tube installation unit carry out fiber reinforced plastic barrel 1 install.Inner tube installation uses upside-down method of hull-section construction work
Skill, from the mounting hole of outer cylinder bottom into first segment shell ring, is promoted using the hoisting platform of cylinder head；Again into the second section, docking bonding
It is promoted, into third section, is above mentioned section by section after the completion, until inner cylinder splicing finishes.
Wherein 1 antiseptic property of fiber reinforced plastic barrel is excellent, and reliability is high；The flue support platform 2 can be put
Flue weight is set, flue bracket steel using amount is reduced；The inner cylinder suspension platform 3. sound construction；The platform 4 that only shakes is set
It sets rationally.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail.It should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model.Within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of chimney anticorrosion inner sleeve structure for discharging wet flue gas, including fiber reinforced plastic barrel（1）, flue support platform（2）, it is interior
Cylinder suspension platform（3）, only shake platform（4）, inner tube installation promoted platform（5）, concrete outer cylinder（10）, it is characterised in that the glass
Glass steel cylinder（1）Set on flue support platform（2）On, and it is described in fiber reinforced plastic barrel（1）On set gradually one layer from the bottom to top
Inner cylinder suspension platform（3）, two layers only shake platform（4）, another layer of inner cylinder suspension platform（3）, inner tube installation promoted platform（5）, institute
State concrete outer cylinder（10）Set on fiber reinforced plastic barrel（1）Outside.
2. a kind of chimney anticorrosion inner sleeve structure for discharging wet flue gas according to claim 1, it is characterised in that the glass
Glass steel cylinder（1）Bottom be equipped with gas approach（6）, and the gas approach（6）With fiber reinforced plastic barrel（1）Pass through flange
（7）Connection, the flange（7）Side steel flange, the other side is glass fiber reinforced plastic flange, sets rubber among steel flange and glass fiber reinforced plastic flange
Rubber mat is effectively sealed docking.
3. a kind of chimney anticorrosion inner sleeve structure for discharging wet flue gas according to claim 1, it is characterised in that on described
Fiber reinforced plastic barrel between lower two layers of suspension platform（1）It is equipped with whole vulcanised fluororubbers expansion joint（8）.
4. a kind of chimney anticorrosion inner sleeve structure for discharging wet flue gas according to claim 1, it is characterised in that described
Flue support platform（2）, inner cylinder suspension platform（3）, only shake platform（4）, inner tube installation promoted platform（5）With concrete outer cylinder
（10）Steel corbel is equipped between inner wall（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821481855.0U CN208122460U (en) | 2018-09-11 | 2018-09-11 | Discharge the chimney anticorrosion inner sleeve structure of wet flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821481855.0U CN208122460U (en) | 2018-09-11 | 2018-09-11 | Discharge the chimney anticorrosion inner sleeve structure of wet flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208122460U true CN208122460U (en) | 2018-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821481855.0U Active CN208122460U (en) | 2018-09-11 | 2018-09-11 | Discharge the chimney anticorrosion inner sleeve structure of wet flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208122460U (en) |
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2018
- 2018-09-11 CN CN201821481855.0U patent/CN208122460U/en active Active
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