CN102505880B - Large double-curve steel structure cooling tower for power plant - Google Patents
Large double-curve steel structure cooling tower for power plant Download PDFInfo
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- CN102505880B CN102505880B CN201110330021.6A CN201110330021A CN102505880B CN 102505880 B CN102505880 B CN 102505880B CN 201110330021 A CN201110330021 A CN 201110330021A CN 102505880 B CN102505880 B CN 102505880B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 74
- 239000010959 steel Substances 0.000 title claims abstract description 74
- 238000001816 cooling Methods 0.000 title claims abstract description 55
- 238000010276 construction Methods 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 5
- 239000011152 fibreglass Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
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- 230000005484 gravity Effects 0.000 abstract 1
- 238000013461 design Methods 0.000 description 5
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- 238000010205 computational analysis Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
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- 238000007789 sealing Methods 0.000 description 1
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Abstract
The invention discloses a large double-curve steel structure cooling tower for a power plant. The large double-curve steel structure cooling tower comprises linear inclined vertical columns, intersected nodes and reinforcing rings, wherein a steel structure cooling tower framework consists of a vertical line rotary array formed by encircling the linear inclined vertical columns around an upper circle center and a lower circle center of the tower; intersected positions of the linear inclined vertical columns are the nodes; and along the height direction of the tower, 3 to 5 reinforcing rings are required to be arranged. The tower is over 150 meters high, and the diameter of the lower part of the tower is about 150 meters. The large double-curve steel structure cooling tower is a novel steel structure cooling tower replacing a concrete thin-shell double-curve cooling tower, is suitable for indirect cooling units with the capacities of 125 MW or over 125 MW, can be applied to those extremely cold places in which the concrete cooling tower cannot be used, and has the characteristics of low gravity, high construction speed, simple foundation treatment operation, low comprehensive manufacturing cost, high anti-seismic and anti-wind performance, low post-maintenance cost and the like.
Description
Technical field
The invention belongs to power plant's large cooling column design field, relate to the large-scale double-curve steel structure cooling tower of a kind of power plant.
Background technology
In traditional steam power station, large cooling column is all to adopt steel concrete shell Hyperbolic cooling tower substantially.This structural shape has passed through years of researches and practice, and is applied in a large amount of engineerings, has obtained good effect.The achievement in research of steel concrete shell Hyperbolic Cooling Towers is abundant, can intended diameter exceed 150m at present, highly reaches the super large tower of 200m left and right.
Along with the development of technology and owner's variation, cooling this type of cooling will adopt in a large number in Fu Mei water deficient regions power plant indirectly, and this new structure pattern of steel work Hyperbolic cooling tower also will become one of selection of owner.In international engineering projects, owing to being subject to the restriction of local material and construction technology, when the more difficult acquisition of concrete material or concrete construction expense are higher, the advantage of steel work Hyperbolic cooling tower is more outstanding.In cold district, because concrete part is can the engineering time limited, for not affecting the whole construction period and considering that concrete structure is very fast at cold district performance degradation, steel work Hyperbolic cooling tower just becomes can selection scheme.
Exist abroad the large tower of a kind of circular steel structure, structure is circular Variable Section Steel structure tower, the about 120m of its underpart circular diameter, and through variable cross-section variation once or twice, to the about 60m of top circular diameter, the about 125m of overall height, main bearing member is lattice column.Lattice column lifts after forming large triangle framework, and stressed-skin construction is fixed on triangular truss.This tower structure is relatively simple and direct, stressed also comparatively clear and definite, but thermal property is more poor than Hyperbolic cooling tower.
In view of power plant being used research, the design and use present situation of cooling tower both at home and abroad, a kind of double-curve steel structure cooling tower is proposed.Do not change the hyperbolic-type shape of cooling tower, and adopt steel work to form cooling tower, use aluminium or the sealing of glass steel skin material.The skeleton of steel structure cooling tower is made up of after space crossed oblique column, and the oblique column of the straight line plumb line rotation array that the He Xia center of circle in the center of circle forms on tower forms.The oblique column of straight line can be round steel tubing string or quadrate steel pipe column, can be also four jiaos of lattice columns that are made up of angle steel or channel-section steel, bottom 1/5 to 1/3 scope can be in steel pipe placing of concrete, form steel core concrete column.
The data-searching of carrying out according to applicant, still belongs to blank for power plant with double-curve steel structure cooling tower at present at home and even abroad.External steel structure tower used is circular cross-section, has the different of essence from hyperbolic-type tower; Domestic Tongji University once proposed a kind of steel structure tower, was the form of structure of steel frame+steel cable but it adopts, completely different from the pyramidal structure of this application.
In power plant, adopt the large tower of double-curve steel structure, there is, foundation fast from heavy and light, speed of application and process the advantages such as simple, comprehensive cost is cheap, seismic wind resistance is good, later maintenance cost is low.
Summary of the invention
The object of the invention is to design a kind of double-curve steel structure cooling tower.It has relatively low cost, faster speed of application and cheap later maintenance cost.
For achieving the above object, the present invention takes following technical solution:
A kind of power plant double-curve steel structure cooling tower, comprises the oblique column of straight line, crossing node and stiffening ring.Described steel structure cooling tower skeleton is that the oblique column of the straight line plumb line rotation array that the He Xia center of circle in the center of circle forms on tower forms, and the oblique column of straight line intersection is node, along tower short transverse, arranges as required San Zhi five road stiffening rings.Tower height degree exceedes 150m, the about 150m of lower diameter.
The oblique column of described straight line is round steel tubing string or quadrate steel pipe column, can be also four jiaos of lattice columns that are made up of angle steel or channel-section steel.The oblique column of described straight line bottom 1/5 to 1/3 scope can be in steel pipe placing of concrete, form steel core concrete column.The crossed node 2 of the oblique column of described straight line can adopt direct welding, also can adopt and manufacture joint core in advance and rod member is attached thereto again mode around.Described steel structure cooling tower stressed-skin construction adopts aluminium or glass fiber reinforced plastic to make.
By using the oblique column of straight line can reduce member difficulty of processing.Can be by oblique straight line column sectional making according to position of intersecting point, integral hoisting connects.Described double-curve steel structure cooling tower can significantly alleviate dead load compared with conventional concrete cooling tower, and deadweight is about the 10%-20% of Concrete Cooling Water Tower, can save ground and process and foundation cost, thereby make overall cost lower.By adopting aluminium or glass fiber reinforced plastic skin material to reduce later maintenance expense.
Computational analysis shows, that double-curve steel structure cooling tower of the present invention has is fast from heavy and light, speed of application, foundation is processed the advantages such as simple, comprehensive cost is cheap, seismic wind resistance is good, later maintenance cost is low.Cold unit cooling tower works between can Fu Mei water deficient regions, extensive use district.
Brief description of the drawings
Fig. 1 double-curve steel structure cooling tower 3-D view of the present invention;
Fig. 2 double-curve steel structure cooling tower stiffening ring of the present invention plan view;
Fig. 3 double-curve steel structure cooling tower column of the present invention sectional drawing;
Fig. 4 double-curve steel structure cooling tower node of the present invention drawing;
Wherein: 1 is the oblique column of straight line; 2 is node; 3 is stiffening ring.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Referring to Fig. 1,2,3 and 4, a kind of double-curve steel structure cooling tower, comprise the oblique column of straight line, crossing node and stiffening ring, the oblique column of the straight line plumb line rotation array that the He Xia center of circle in the center of circle forms on tower forms the skeleton of Hyperbolic Cooling Towers, the oblique column of straight line intersection is node, along tower short transverse, arrange as required San Zhi five road stiffening rings.Tower height degree exceedes 150m, the about 150m of lower diameter.
The oblique column of described straight line is round steel tubing string or quadrate steel pipe column, and diameter of section or the length of side are between 500mm-1000mm; Also can be four jiaos of lattice columns that formed by angle steel or channel-section steel, the about 1000mm of distance between limb and limb.The oblique column of described straight line bottom 1/5 to 1/3 scope can be in steel pipe placing of concrete, form steel core concrete column.The crossing node of the oblique column of described straight line can adopt direct welding, also can adopt and manufacture joint core in advance and rod member is attached thereto again mode around.Described steel structure cooling tower stressed-skin construction adopts aluminium or glass fiber reinforced plastic to make.
Computational analysis shows, steel structure cooling tower is due to from heavy and light, and geological process reduces greatly, and the active force that passes to foundation also significantly reduces.The destruction of tower is mainly overall unstable failure or local rod member unstable failure, because level is to there is no too many constraint, and the comparable vertical net shell of arranging of individual layer that is intended to be of this tower.In the 1/5-1/3 range widget of bottom, water concrete, can effectively avoid the unstable failure of the stressed larger column in bottom, structural focus has been moved down simultaneously.Due to steel structure cooling tower be applied between cold unit, its inner dry air is to steel corrosion of component not serious, so later maintenance expense is not high.
In the middle of actual engineering design, first according to suitable cross section type and node types of selecting factors such as suffered wind load size, seismic fortification intensity, tower and height, then adopt finite element analysis software to carry out buckling analysis, the time-history analysis etc. of structure under quiet, dynamic load function, finally carry out Cross section Design according to internal force.
Applicant is by computational analysis and research, thinks invented double-curve steel structure cooling tower, has, foundation fast from heavy and light, speed of application and processes the advantages such as simple, comprehensive cost is cheap, seismic wind resistance is good, later maintenance cost is low.Can be widely used in cold unit cooling tower works between rich coal water deficient regions.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention; can not assert that the specific embodiment of the present invention only limits to this; for general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; can also make some simple deduction or replace, all should be considered as belonging to the present invention and determine scope of patent protection by submitted to claims.
Claims (3)
1. the large-scale double-curve steel structure cooling tower of power plant, comprise the oblique column of straight line, node and stiffening ring, it is characterized in that: described steel structure cooling tower skeleton is that the oblique column of the straight line plumb line rotation array that the He Xia center of circle in the center of circle forms on tower forms the vertical net shell of arranging of individual layer, and the oblique column of straight line intersection is node;
Described tower height degree exceedes 150m, lower diameter 120-180m;
The oblique column of described steel structure cooling tower straight line is round steel tubing string or quadrate steel pipe column, or four jiaos of lattice columns that are made up of angle steel or channel-section steel;
Placing of concrete in steel pipe in 1/5 to 1/3 scope of the oblique column of described steel structure cooling tower straight line bottom, forms steel core concrete column;
The crossed node of the oblique column of described steel structure cooling tower straight line adopts directly welding, or employing has been manufactured joint core and rod member is attached thereto again mode forms in advance around.
2. the large-scale double-curve steel structure cooling tower of a kind of power plant as claimed in claim 1, is characterized in that: described steel structure cooling tower, along tower short transverse, is arranged San Zhi five road stiffening rings as required.
3. the large-scale double-curve steel structure cooling tower of a kind of power plant as claimed in claim 1, is characterized in that: described steel structure cooling tower stressed-skin construction adopts aluminium or glass fiber reinforced plastic to make.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110330021.6A CN102505880B (en) | 2011-10-27 | 2011-10-27 | Large double-curve steel structure cooling tower for power plant |
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| CN201110330021.6A CN102505880B (en) | 2011-10-27 | 2011-10-27 | Large double-curve steel structure cooling tower for power plant |
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| CN102505880A CN102505880A (en) | 2012-06-20 |
| CN102505880B true CN102505880B (en) | 2014-07-30 |
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| CN102735073B (en) * | 2012-07-13 | 2014-09-10 | 中国能源建设集团广东省电力设计研究院 | Optimized arrangement method of horizontal rigid ring of natural ventilating cooling tower |
| CN102798296A (en) * | 2012-08-03 | 2012-11-28 | 中国能源建设集团广东省电力设计研究院 | Ultra-large natural-draft counter-flow wet cooling tower |
| CN103883139B (en) * | 2012-12-21 | 2017-03-29 | 河南省电力勘测设计院 | Using the rope nethike embrane cooling tower cylinder structural system that chimney is interior mast |
| CN103924802B (en) * | 2014-04-16 | 2016-02-10 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of large-scale straight tube cone segment type steel structure cooling tower |
| CN104372967B (en) * | 2014-11-18 | 2016-08-17 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of cooling stack inclined strut structure and construction method thereof |
| CN105064739B (en) * | 2015-08-11 | 2018-01-05 | 中国五洲工程设计集团有限公司 | A kind of hyperbola Double-level Reticulated Shell steel structure cooling tower |
| CN105350799A (en) * | 2015-12-07 | 2016-02-24 | 哈博林技术公司 | Steel-structure hyperbolic air cooling tower |
| CN105484532A (en) * | 2016-01-26 | 2016-04-13 | 哈尔滨工业大学空间钢结构幕墙有限公司 | Large-grid steel structure cooling tower |
| CN105605939B (en) * | 2016-02-04 | 2017-08-04 | 哈博林技术公司 | Steel construction hyperbola air cooling tower is with going along with sb. to guard him attachment structure |
| CN105672739B (en) * | 2016-02-17 | 2017-12-15 | 扬州市润源灯饰有限公司 | One kind communication steel tower |
| CN105804447A (en) * | 2016-03-29 | 2016-07-27 | 哈尔滨工业大学空间钢结构幕墙有限公司 | Spoke type steel structure cooling tower |
| CN106049920A (en) * | 2016-06-27 | 2016-10-26 | 哈尔滨工业大学空间钢结构幕墙有限公司 | Cooling tower with spoke type tensioning structures |
| CN106088707A (en) * | 2016-06-27 | 2016-11-09 | 哈尔滨工业大学空间钢结构幕墙有限公司 | Oblique grid rung formula tension structure cooling tower |
| CN106250601A (en) * | 2016-07-26 | 2016-12-21 | 南京航空航天大学 | The determination method and device of hyperbolic steel construction cooling tower blast extreme value |
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| CN106013868A (en) * | 2016-08-05 | 2016-10-12 | 中冶京诚工程技术有限公司 | Hyperbolic cross truss type steel structure cooling tower |
| CN109944478A (en) * | 2019-01-04 | 2019-06-28 | 中亿丰建设集团股份有限公司 | A kind of double-curve cooling column construction method |
| CN110616942A (en) * | 2019-09-17 | 2019-12-27 | 中国能源建设集团广东省电力设计研究院有限公司 | Oblique grid chimney |
| CN113446740B (en) * | 2021-07-27 | 2025-06-24 | 中国电力工程顾问集团西北电力设计院有限公司 | A multifunctional giant frame inclined grid industrial structure |
| CN113931814A (en) * | 2021-09-18 | 2022-01-14 | 同济大学 | A solar thermal power generation system including diagonal grid industrial structures |
| CN115270248A (en) * | 2022-07-14 | 2022-11-01 | 山东电力工程咨询院有限公司 | Design method and cooling tower of single-layer reticulated shell steel structure cooling tower |
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| GB329715A (en) * | 1929-02-26 | 1930-05-26 | L G Mouchel And Partners Ltd | Improvements in or relating to water cooling towers |
| US4187660A (en) * | 1977-02-14 | 1980-02-12 | T. Y. Lin International | Method of constructing cooling tower employing precast reinforced concrete panels |
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Owner name: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA Free format text: FORMER NAME: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE, CHINA POWER ENGINEERING CONSULTING GROUP CORPORATION |
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Address after: 710075 Xi'an province high tech Development Zone, unity South Road, No. 22, No. Patentee after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING GROUP Address before: 710075 Xi'an province high tech Development Zone, unity South Road, No. 22, No. Patentee before: Northwest Electric Power Design Institute, China Power Engineering Consulting Group Corporation |