CN103452371B - Integral sleeve suspension chimney - Google Patents

Integral sleeve suspension chimney Download PDF

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Publication number
CN103452371B
CN103452371B CN201310407998.2A CN201310407998A CN103452371B CN 103452371 B CN103452371 B CN 103452371B CN 201310407998 A CN201310407998 A CN 201310407998A CN 103452371 B CN103452371 B CN 103452371B
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Prior art keywords
urceolus
support bracket
overhead support
inner core
chimney
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CN201310407998.2A
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CN103452371A (en
Inventor
陈刚
漆桧
常显勇
李龙华
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Sichuan Electric Power Design and Consulting Co Ltd
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Sichuan Electric Power Design and Consulting Co Ltd
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Abstract

The invention discloses a kind of integral sleeve suspension chimney, belong to chimney field.Its technical problem to be solved is to provide the integral sleeve suspension chimney that a kind of stress distribution is even, construction hoisting convenient and can be effectively cost-saving.It comprises urceolus and is suspended in the inner core in described urceolus, suspention plane between described urceolus and inner core is evenly provided with multiple overhead support bracket, one end of described overhead support bracket is connected with described inner core, the other end of described overhead support bracket is connected with described urceolus, and described inner core is suspended on described urceolus by described overhead support bracket.The weight uniformity of inner core is distributed on urceolus, and the load assignment that urceolus bears is even, and the stress distribution of urceolus is even, less to the structure influence of urceolus; Because overhead support bracket length is shorter, construction hoisting is more convenient, and less to the pitch requirements between inner core and urceolus when installing, and can reduce urceolus exit inside diameter, reduce costs.

Description

Integral sleeve suspension chimney
Technical field
The present invention relates to chimney field, particularly relate to a kind of integral sleeve suspension chimney.
Background technology
For saving the inner core material usage of sleeve-type chimney, the form of structure of inner core adopts integral hanging formula usually, the structural arrangement form of integral hanging point is by for important, after inner diameter of steel flue is determined, the outlet diameter size of structural arrangement form to urceolus of integral hanging point plays a decisive role, urceolus outlet diameter is less, and the steel concrete consumption of urceolus is just few, and the structural arrangement form of rational integral hanging point plays an important role to the whole chimney works cost of reduction.
As shown in Figure 1, in traditional chimney, comprise urceolus 1, inner core 2, support inner core steel girder 61, support inner core steel secondary beam 62 and support roof panel steel secondary beam 63, described support inner core steel girder 61 one-tenth through layouts, two ends are all fixed on urceolus 1, described support inner core steel secondary beam 62 two ends are all fixed on described support inner core steel girder 61, the hitch point of described inner core 2 is placed directly in described support inner core steel girder 61 or supports on inner core steel secondary beam 62, when the roof panel bracing frame supporting roofing is installed, need to increase again and support roof panel steel secondary beam 63.The load at inner core 2 hitch point place all reaches and supports inner core steel girder 61, and the bearing load of described support inner core steel girder 61 is comparatively large, and therefore its section is also comparatively large, and being used for of steel is large, and cost is high; Length and section simultaneously owing to supporting inner core steel girder 61 are comparatively large, and hoisted in position construction is more difficult, and construction period is longer; And supporting the bearing that inner core steel girder 61 contacts with urceolus 1 is not be evenly distributed on urceolus 1, therefore the stress that bears of urceolus 1 is more concentrated, larger to urceolus 1 stressing influence; If want the quantity of extension supporting inner core steel girder 61, there is limitation when urceolus 1 exit inside diameter is certain; Described support roof panel is connected with support inner core steel girder 61 with steel secondary beam 63 one end or is connected with support inner core steel secondary beam 62, the other end is placed on urceolus 1 by perforate, arrange and support roof panel steel secondary beam 63 and can increase the number of openings on urceolus 1, larger to the structure influence of urceolus 1.
Summary of the invention
Technical problem to be solved by this invention is to provide the integral sleeve suspension chimney that a kind of stress distribution is even, construction hoisting convenient and can be effectively cost-saving.
The present invention solves the integral sleeve suspension chimney that its technical problem adopts, comprise urceolus and be suspended in the inner core in described urceolus, suspention plane between described urceolus and inner core is evenly provided with multiple overhead support bracket, one end of described overhead support bracket is connected with described inner core, the other end of described overhead support bracket is connected with described urceolus, and described inner core is suspended on described urceolus by described overhead support bracket.
Further, the quantity of described overhead support bracket is at least eight.
Further, described overhead support bracket is tripod structure.
Further, described overhead support bracket and described inner core high strength exploitation.
Further, the inwall of described urceolus offers bearing hole, described overhead support bracket extend in described bearing hole.
Further, above described overhead support bracket, be provided with the roof panel bracing frame of annular, described roof panel bracing frame is fixed on described overhead support bracket, and roof panel is arranged on described roof panel bracing frame.
The invention has the beneficial effects as follows: adopt integral sleeve suspension chimney of the present invention, owing to described inner core being suspended on described urceolus by the multiple overhead support brackets be evenly arranged in suspention plane, the weight of described inner core is evenly distributed on described urceolus by described overhead support bracket, the load assignment that urceolus bears is even, the stress distribution of urceolus is even, less to the structure influence of urceolus; One end of described overhead support bracket is connected with described inner core, the other end is connected with described urceolus, therefore described overhead support bracket length is shorter, construction hoisting is more convenient on the one hand, on the other hand because described overhead support bracket length is shorter, less to the pitch requirements between described inner core and described urceolus during installation, at utmost can reduce the exit inside diameter of described urceolus, reduce the sectional dimension of whole urceolus, thus the material consumption outside reducing, the overall cost cost of chimney can be reduced; Described overhead support bracket is set to tripod structure, can increase support strength; Described overhead support bracket and described inner core high strength exploitation, be convenient to installation and removal; The inwall of described urceolus offers bearing hole, and described overhead support bracket extend in described bearing hole, is installed on described urceolus by described overhead support bracket in this way, installs very convenient, is also convenient to dismounting simultaneously; The roof panel bracing frame of annular is provided with above described overhead support bracket, described roof panel bracing frame is fixed on described overhead support bracket, described roof panel bracing frame arranges roof panel, evenly be arranged in suspention plane owing to there being multiple overhead support bracket, during the roof panel bracing frame of stationary annular, just do not need to set up other crossbeam in addition, directly described roof panel bracing frame is fixed on described overhead support bracket, can be cost-saving further.
Accompanying drawing explanation
Fig. 1 is the structural representation of traditional chimney;
Fig. 2 is structural representation of the present invention;
Fig. 3 is schematic top plan view of the present invention;
Fig. 4 is the enlarged drawing at A place in Fig. 1.
Indicate in figure: 1-urceolus, 11-bearing hole, 2-inner core, 3-overhead support bracket, 4-roof panel bracing frame, 5-roof panel, 61-supports inner core steel girder, and 62-supports inner core steel secondary beam, and 63-supports roof panel steel secondary beam.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 2, Figure 3 and Figure 4, integral sleeve suspension chimney of the present invention, the inner core 2 comprising urceolus 1 and be suspended in described urceolus 1, suspention plane between described urceolus 1 and inner core 2 is evenly provided with multiple overhead support bracket 3, one end of described overhead support bracket 3 is connected with described inner core 2, the other end of described overhead support bracket 3 is connected with described urceolus 1, and described inner core 2 is suspended on described urceolus 1 by described overhead support bracket 3.Owing to described inner core 2 being suspended on described urceolus 1 by the multiple overhead support brackets 3 be evenly arranged in suspention plane, the weight of described inner core 2 is evenly distributed on described urceolus 1 by described overhead support bracket 3, the load assignment that urceolus 1 bears is even, the stress distribution of urceolus 1 is even, less to the structure influence of urceolus 1; One end of described overhead support bracket 3 is connected with described inner core 2, the other end is connected with described urceolus 1, therefore described overhead support bracket 3 length is shorter, construction hoisting is more convenient on the one hand, on the other hand because described overhead support bracket 3 length is shorter, less to the pitch requirements between described inner core 2 and described urceolus 1 during installation, at utmost can reduce the exit inside diameter of described urceolus 1, reduce the sectional dimension of whole urceolus 1, thus reduce the material consumption of urceolus 1, the overall cost cost of chimney can be reduced.
According to the real size of chimney, can the overhead support bracket 3 of choice for use varying number, such as: according to the real size of chimney, can choice for use 2,3,4,5,6,8,12 or 14 overhead support brackets 3.When the diameter of described inner core 2 is certain, the quantity of the overhead support bracket 3 used is fewer, the sectional dimension of each overhead support bracket 3 is relatively larger, if adopt steel to make described overhead support bracket 3, then the consumption of steel is more, and the weight of described inner core 2 is delivered to stress on described urceolus 1 with regard to Relatively centralized by described overhead support bracket 3, as preferred mode, the quantity of described overhead support bracket 3 is at least eight.
As shown in Figure 4, described overhead support bracket 3 is tripod structure.Described overhead support bracket is set to tripod structure, can increase support strength.
Described overhead support bracket 3 can adopt the mode such as weld, rivet, bolt is connected to connect with described inner core 2, in order to mount and dismount conveniently, described overhead support bracket 3 uses high strength exploitation with described inner core 2.
Connected mode between described urceolus 1 and described overhead support bracket 3 can select various ways, such as: pre-embedded anchoring bolts in described urceolus 1, is connected by described overhead support bracket 3 by pre-buried stone bolt with described urceolus 1; The inwall of described urceolus 1 offers bearing hole 11, described overhead support bracket 3 is extend in described bearing hole 11.In order to mount and dismount conveniently, save material usage, as preferred embodiment, as shown in Figure 4, the inwall of described urceolus 1 offers bearing hole 11, described overhead support bracket 3 extend in described bearing hole 11.
In order to reduce material usage, cost-saving and alleviate the load that urceolus 1 bears further, can directly using the support member of described overhead support bracket 3 as roof panel bracing frame 4.As shown in Figure 4, above described overhead support bracket 3, be provided with the roof panel bracing frame 4 of annular, described roof panel bracing frame 4 is fixed on described overhead support bracket 3, and described roof panel bracing frame 4 arranges roof panel 5.Evenly be arranged in suspention plane owing to there being multiple overhead support bracket 3, during the roof panel bracing frame 4 of stationary annular, can directly described roof panel bracing frame 4 be fixed on described overhead support bracket 3, do not need to set up other in addition for supporting the crossbeam of described roof panel bracing frame 4, can reduce material usage, cost-saving, described urceolus 1 also can not increase load because of setting up other for supporting the crossbeam of described roof panel bracing frame 4 simultaneously; Described overhead support bracket 3 is both as the support member be suspended in by described inner core 2 on described urceolus 1, simultaneously again as the support member of described roof panel bracing frame 4, the weight of described roof panel 5 is passed on described overhead support bracket 3 by the roof panel bracing frame 4 of annular, then passes to described urceolus 1 by described overhead support bracket 3.

Claims (5)

1. integral sleeve suspension chimney, comprise urceolus (1) and be suspended in the inner core (2) in described urceolus (1), it is characterized in that: the suspention plane between described urceolus (1) and inner core (2) is evenly provided with multiple overhead support bracket (3), one end of described overhead support bracket (3) is connected with described inner core (2), the other end of described overhead support bracket (3) is connected with described urceolus (1), described inner core (2) is suspended on described urceolus (1) by described overhead support bracket (3), the roof panel bracing frame (4) of annular is provided with in the top of described overhead support bracket (3), described roof panel bracing frame (4) is fixed on described overhead support bracket (3), described roof panel bracing frame (4) is provided with roof panel (5).
2. integral sleeve suspension chimney as claimed in claim 1, is characterized in that: the quantity of described overhead support bracket (3) is at least eight.
3. integral sleeve suspension chimney as claimed in claim 1 or 2, is characterized in that: described overhead support bracket (3) is tripod structure.
4. integral sleeve suspension chimney as claimed in claim 1 or 2, is characterized in that: described overhead support bracket (3) and described inner core (2) use high strength exploitation.
5. integral sleeve suspension chimney as claimed in claim 1 or 2, it is characterized in that: on the inwall of described urceolus (1), offer bearing hole (11), described overhead support bracket (3) extend in described bearing hole (11).
CN201310407998.2A 2013-09-09 2013-09-09 Integral sleeve suspension chimney Active CN103452371B (en)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113622737A (en) * 2021-08-25 2021-11-09 江苏奥亚达高空工程有限公司 Scaffold-free steel chimney and manufacturing and mounting method thereof
CN113898239B (en) * 2021-10-12 2023-03-14 上海必立结构设计事务所有限公司 Simple shaking stopping device

Citations (6)

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Publication number Priority date Publication date Assignee Title
JP2001182373A (en) * 1999-12-27 2001-07-06 Taisei Corp Chimney construction method
CN201507145U (en) * 2009-04-15 2010-06-16 中国电力工程顾问集团科技开发股份有限公司 Statically indeterminate multi-pivot hanging chimney with entire steel inner cylinder for power plant
CN102535937A (en) * 2012-01-09 2012-07-04 苏州云白环境设备制造有限公司 Integral suspension type chimney
CN102661074A (en) * 2012-05-11 2012-09-12 中国电力工程顾问集团华东电力设计院 Chimney
CN103243961A (en) * 2013-03-15 2013-08-14 东北电业管理局烟塔工程公司 Titanium plate steel inner tank reversed construction device for chimney of thermal power station
CN203430135U (en) * 2013-09-09 2014-02-12 四川电力设计咨询有限责任公司 Sleeve integrally-suspended type chimney

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001182373A (en) * 1999-12-27 2001-07-06 Taisei Corp Chimney construction method
CN201507145U (en) * 2009-04-15 2010-06-16 中国电力工程顾问集团科技开发股份有限公司 Statically indeterminate multi-pivot hanging chimney with entire steel inner cylinder for power plant
CN102535937A (en) * 2012-01-09 2012-07-04 苏州云白环境设备制造有限公司 Integral suspension type chimney
CN102661074A (en) * 2012-05-11 2012-09-12 中国电力工程顾问集团华东电力设计院 Chimney
CN103243961A (en) * 2013-03-15 2013-08-14 东北电业管理局烟塔工程公司 Titanium plate steel inner tank reversed construction device for chimney of thermal power station
CN203430135U (en) * 2013-09-09 2014-02-12 四川电力设计咨询有限责任公司 Sleeve integrally-suspended type chimney

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