CN105257032A - Large floor type cooling tower with main barrel and steel structures - Google Patents
Large floor type cooling tower with main barrel and steel structures Download PDFInfo
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- CN105257032A CN105257032A CN201510621554.8A CN201510621554A CN105257032A CN 105257032 A CN105257032 A CN 105257032A CN 201510621554 A CN201510621554 A CN 201510621554A CN 105257032 A CN105257032 A CN 105257032A
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Abstract
The invention discloses a large floor type cooling tower with a main barrel and steel structures. The large floor type cooling tower comprises the main barrel, accessory truss structures and sealing envelope assemblies. The accessory truss structures are fixedly annularly connected to the outer side of the main barrel, the sealing envelope assemblies are arranged on the accessory truss structures and the outer side, which is positioned on the upper portions of the accessory truss structures, of the main barrel, the main barrel comprises at least one layer of steel rack structures, and at least one annular reinforcement assembly sleeves each steel rack structure. Compared with a concrete cooling tower, the large floor type cooling tower has the advantages that the material and construction costs can be saved to a great extent, and the large floor type cooling tower has a light dead weight and is good in anti-seismic performance and suitable for medium and high-intensity seismic regions; materials can be recycled owing to the steel rack structures, and accordingly the large floor type cooling tower is excellent in environmental friendliness and economical efficiency; the large floor type cooling tower with the main barrel and the steel structures is high in structural integrity, suitable for units with optional volumes and convenient to construct and can be mounted conveniently and quickly.
Description
Technical field
The present invention relates to large cooling column design field, especially a kind of large-scale main cylinder floor steel structure cooling tower of design.
Background technology
In steam power station, cooling stack is by carrying out exchange heat between recirculated water and air, moisture is evaporated and takes away temperature, thus the structure that recirculated water is lowered the temperature.Different according to water and the air way of contact, can be divided into wet cooling tower and indirect dry cooling tower, in wet cooling tower, recirculated water directly contacts with air, and the air of rising takes away the partial heat of recirculated water, and atmospheric water content is also higher simultaneously; And indirect dry cooling tower, then restrained through air cooling by circulating water flow, completed by tube wall with the interchange of heat of air, directly do not contact, the air stream risen is dry or has the air humidity identical with the external world, the structural shape of cooling tower should ensure the technological requirement of circulating water, must have enough strength and stabilities simultaneously, can resist the load actions such as wind, temperature and earthquake.Domestic based on monolithic reinforced concrete structure at present.
Summary of the invention
Based on this, the invention reside in the defect overcoming prior art, a kind of large-scale main cylinder floor steel structure cooling tower is provided, have that shock resistance is good and safety is high, realize reclaiming and saving material, and it is built simply.
The object of the present invention is achieved like this:
A kind of large-scale main cylinder floor steel structure cooling tower, comprise main cylinder, attached trussed construction and sealing and go along with sb. to guard him part, described attached trussed construction articulating is fixed on the outside of described main cylinder, described sealing is gone along with sb. to guard him part and is arranged at the outside that described attached trussed construction and described main cylinder are positioned at described attached trussed construction top, described main cylinder comprises at least one deck steel grid structure, and described steel grid structure is set with at least one annular reinforcer.
Further, described annular reinforcer is horizontal annular trussed construction, described annular reinforcer comprises inner ring chord member, outer shroud chord member and web member, described outer shroud chord member is the horizontal cross bar of main cylinder, described horizontal cross bar radially becomes the described inner ring chord member of described horizontal annular trussed construction to the off-centring certain distance of described main cylinder, be connected between described inner ring chord member with described outer shroud chord member by described web member.
Further, described main cylinder is for being arranged at ground individual layer rack cylindrical structure, described steel grid structure comprises oblique the first crossing support member and the second support member, described first support member, described second support member and described horizontal cross bar form multiple grid cell part, and described grid cell part is triangular structure.
Further, multiple described annular reinforcer be arranged in parallel is comprised.
Further, also comprise column, described attached trussed construction comprises multiple truss and strengthens connecting rod, multiple described truss is longitudinally evenly arranged along the centerline direction of described main cylinder, one end of described truss is fixed on described main cylinder, the other end is fixed on described column, and described reinforcement connecting rod is fixedly connected with adjacent two described truss.
Further, described truss is set to triangle-frame, and described triangle-frame inside is installed with multiple supporting rod.
Further, below the elevation of bottom being positioned at described truss between adjacent two described truss, place is provided with air intake, the absolute altitude of described column equals the absolute altitude of described air intake, and the absolute altitude of described air intake is lower than the absolute altitude of described attached trussed construction and described main cylinder junction.
Further, described main cylinder comprises the straight-tube shape of upper opening and lower openings and diameter is the cone tubular structure of increasing trend.
Further, also comprise annular column foot, described annular column foot is fixed on ground, and described annular column foot comprises inner ring column foot and outer shroud column foot, and described main cylinder is fixedly connected on described inner ring column foot, and described column is fixedly connected with on described outer shroud column foot.
Beneficial effect of the present invention is:
The above-mentioned large-scale main cylinder formula steel structure cooling tower that falls is fixed on attached trussed construction composition outside described main cylinder by adopting the main cylinder of steel grid structure and articulating, before general Concrete Cooling Water Tower is compared, greatly save material and construction cost, and its deadweight is lighter, anti-seismic performance is good, be more suitable for middle high-intensity earthquake region, steel grid structure also can realize material recovery simultaneously, there is the higher feature of environmental protection and economy, in addition, described main cylinder arranges at least one deck steel grid structure, and described steel grid structure outer wall is set with annular reinforcer, this large-scale main cylinder floor steel structure cooling tower is made to have higher structural integrity, be applicable to the unit of any capacity, and it builds conveniently, it is convenient to install.
Accompanying drawing explanation
Fig. 1 to fall the structural representation of formula steel structure cooling tower for the large-scale main cylinder described in the embodiment of the present invention;
Fig. 2 is the trussed construction schematic diagram described in the embodiment of the present invention;
Fig. 3 is the annular reinforcer structural representation described in the embodiment of the present invention;
Fig. 4 is the structural representation of the grid cell part described in the embodiment of the present invention;
Fig. 5 is the structural representation of the annular column foot described in the embodiment of the present invention.
Description of reference numerals:
100, main cylinder, 120, steel grid structure, the 122, first support member, 123, horizontal cross bar, 124, the second support member, 140, grid cell part, 200, attached trussed construction, 220, truss, 240, connecting rod is strengthened, 260, triangle-frame, 280, supporting rod, 300, sealing goes along with sb. to guard him part, 400, annular reinforcer, 420, inner ring chord member, 440, outer shroud chord member, 460, web member, 500, air intake, 600, annular column foot, 620, inner ring column foot, 640, outer shroud column foot, 700, column.
Detailed description of the invention
Below embodiments of the invention are described in detail:
As shown in Figure 1, a kind of large-scale main cylinder floor steel structure cooling tower, comprise main cylinder 100, attached trussed construction 200 and sealing and go along with sb. to guard him part 300, described attached trussed construction 200 articulating is fixed on the outside of described main cylinder 100, described sealing is gone along with sb. to guard him part 300 and is arranged at the outside that described attached trussed construction 200 and described main cylinder 100 are positioned at described attached trussed construction 200 top, described main cylinder 100 comprises at least one deck steel grid structure 120, and described steel grid structure 120 is set with at least one annular reinforcer 400.Above-mentioned large-scale main cylinder floor steel structure cooling tower is directly assembled construction by the described main cylinder 100 and the articulating described attached trussed construction 200 be fixed on outside described main cylinder 100 adopting described steel grid structure 120 and is formed, before general Concrete Cooling Water Tower is compared, greatly save construction duration, material and cost, and its deadweight is lighter, anti-seismic performance is good, be more suitable for middle high-intensity earthquake region, described steel grid structure 120 also can realize material recovery simultaneously, there is the higher feature of environmental protection and economy, in addition, described main cylinder 100 arranges at least steel grid structure 120 described in one deck, and described steel grid structure 120 outer wall is set with described annular reinforcer 400, this large-scale main cylinder floor steel structure cooling tower is made to have higher structural integrity and bonding strength, be applicable to the unit of any capacity, and it builds conveniently, it is convenient to install.Above-mentioned sealing is gone along with sb. to guard him part 300 and is preferably adopted the board-like material such as aluminium sheet, aluminium-plastic panel, steel plate that intensity is high, quality is light; also other materials can be adopted in other embodiments; in addition; described sealing is gone along with sb. to guard him on inwall that part 300 also can be arranged at described main cylinder 100 according to actual needs or is layed on outer wall, and these two kinds of modes are all in protection scope of the present invention.Described large-scale main cylinder floor steel structure cooling tower is the tubular construction for upper and lower opening, all round closure, and described tubular construction top is straight tube, and bottom is the cone section structure expanded gradually.
As shown in Figure 3, described annular reinforcer 400 is horizontal annular trussed construction, described annular reinforcer 400 comprises inner ring chord member 420, outer shroud chord member 440 and web member 460, described outer shroud chord member 440 is the horizontal cross bar 123 of main cylinder, described horizontal cross bar 123 radially becomes the described inner ring chord member 420 of described horizontal annular trussed construction to the off-centring certain distance of described main cylinder 100, be connected between described inner ring chord member 420 with described outer shroud chord member 440 by described web member 460.。In a preferred embodiment, described annular reinforcer 400 comprises described outer shroud chord member 440, diameter is less than the described inner ring chord member 420 that described outer shroud chord member 440 Qie Yanqi center circumference is evenly arranged, be connected by multiple described web member between described outer shroud chord member 440 with described inner ring chord member 420, the mutual oblique of annulus that multiple described web member is formed along described outer shroud chord member 440 and described inner ring chord member 420 is connected, to ensure that described annular reinforcer 400 has higher structural strength.
As shown in Figure 4, described main cylinder 100 is for being arranged at ground individual layer rack cylindrical structure, described steel grid structure 120 comprises oblique the first crossing support member 122 and the second support member 124, described first support member 122, described second support member 124 form multiple grid cell part 140 with described horizontal cross bar 123, and described grid cell part 140 is triangular structure.Above-mentioned grid cell part 140 intersects described first support bar 122 by inclination, described second support bar 124 forms triangular shaped with described outer shroud chord member 440, therefore, overall structure, described steel grid structure 120 is formed by welding assembly by multiple described grid cell part 140, greatly can improve the efficiency of construction of cooling tower, reduction of erection time, described grid cell part 140 preferably adopts triangular grid structures simultaneously, described grid cell part 140 is spliced by component and forms, the overall structure of cooling tower is made to have excellent bonding strength under can be implemented in the prerequisite meeting and save material, the component that preferred embodiment of the present invention adopts is steel pipe fitting, also shaped steel can be adopted in other embodiments, compound section steel beam column, the form of structure such as truss, described grid cell part 140 also can be quadrangle in other embodiments and install the network of brace in the frame additional also in protection scope of the present invention.In other embodiments, described main cylinder 100 also can adopt other console mode straight tube space truss structures that can realize such as clad steel space truss structure, also in protection scope of the present invention.
Above-mentioned large-scale main cylinder floor steel structure cooling tower comprises multiple described annular reinforcer 400 be arranged in parallel.Described main cylinder outer wall is set with multiple described annular reinforcer 400, can ensure that cooling tower can have excellent stability and rigidity under wind load and geological process, described annular reinforcer 400 can adopt and be arranged at inside described main cylinder 100 or the connected mode in outside serves as the role of stiffening girder, namely to be described annular reinforcer 400 be fixedly connected with by the mode such as welding by the inwall of described outer shroud chord member 440 and described main cylinder 100 the first assembling mode, or to be described annular reinforcer 400 be fixedly connected with by modes such as described inner ring chord member 420 and described main cylinder 100 pass through to weld the second assembling mode.Simultaneously, according to the numerical value that theoretical stress distribution calculates, the described annular reinforcer 400 of comparatively dense can be set by the region that stress is comparatively concentrated at described main cylinder 100, adopt to loosen at normal stress area and described annular reinforcer 400 is set, namely can adopt and multiple described annular reinforcer is set equally or the arrangement of non-equidistance, the weak area on described main cylinder 100 can be strengthened, ensure steadiness and the safety of described cooling tower.
As shown in Figure 2, above-mentioned large-scale main cylinder floor steel structure cooling tower also comprises column 700, described attached trussed construction 200 comprises multiple truss 220 and strengthens connecting rod 240, multiple described truss 220 is longitudinally evenly arranged along the centerline direction of described main cylinder 100, one end of described truss 220 is fixed on described main cylinder 100, the other end is fixed on described column 700, and described reinforcement connecting rod 240 is fixedly connected with adjacent two described truss 220.Described attached trussed construction 200 comprises the longitudinal described truss 220 arranged of centerline direction along described main cylinder 100, and described truss 220 circumferential hoop is around fixing bottom with described main cylinder and by being fixedly connected with on fixed support and ground with described column 700, so can ensure that cooling tower can not cause under the evil such as strong wind or earthquake slightly weather condition to topple or collapse, play the effect of stable support, in addition, between two described truss 220, connect described reinforcement connecting rod 240, the strength and stiffness of described attached trussed construction 200 can be improved.
Described truss 220 is set to triangle-frame 260, and described triangle-frame 260 inside is installed with supporting rod 280.In the present invention, preferred described truss 220 is triangle-frame 260 structure, is because triangle has the most stable geometry close intensity, connects multiple described supporting rod 280 in addition, greatly can improve the structural strength of truss at described triangle-frame 260 internal fixtion.In other embodiments, described truss 220 also can adopt ladder-shaped frame structure, also in protection scope of the present invention according to actual conditions.
Below the elevation of bottom being positioned at described truss 220 between adjacent two described truss 220, place is provided with air intake 500, the absolute altitude of described column 700 equals the absolute altitude of described air intake 500, and the absolute altitude of described air intake 500 is lower than the absolute altitude of described attached trussed construction 200 with described main cylinder 100 junction.Large-scale main cylinder floor steel structure cooling tower of the present invention is natural draft cooling tower, therefore described ventilation opening 500 is set between two described truss 220, namely described main cylinder 100 is provided with the described ventilation opening 500 of a circle, windproof is not arranged between adjacent two described columns, and ensure that the height of described column 700 equals the height of described air intake 500, the height of described air intake 500 is lower than the height of described attached trussed construction 200 with described main cylinder 100 junction, so, compare with existing cooling tower, structure like this can increase air-admitting surface and intake greatly, thus significantly improve the cooling effect of cooling tower of the present invention.
Described main cylinder 100 comprises the straight-tube shape of upper opening and lower openings and diameter is the cone tubular structure of increasing trend.Described main cylinder is designed to upper and lower opening, and top is straight-tube shape, bottom is the form of structure of cone tubular, can ensure that the air intake passage sectional area of lower openings is large, intake is large, cold air enters described main cylinder 100 from bottom inner, and after carrying out interchange of heat with hot material, Yin Wendu rises from upper opening and discharges, and realizes excellent cooling effect.
As shown in Figure 5, above-mentioned large-scale main cylinder floor steel structure cooling tower also comprises annular column foot 600, described annular column foot 300 is fixed on ground, described annular column foot 600 comprises inner ring column foot 620 and outer shroud column foot 640, described main cylinder 100 is fixedly connected on described inner ring column foot 620, and described column 100 is fixedly connected with on described outer shroud column foot 640.Described in the present invention, annular column foot 600 is preferably reinforced concrete structure, compared to existing Concrete Cooling Water Tower, after the large-scale main cylinder floor steel structure cooling tower of the present invention directly can build described annular column foot 600 on the ground, on the basis of described annular column foot 600, described main cylinder 100 parts are installed in splicing, its advantage is because the construct ground that causes and earthwork excavated volume and pile foundation quantity can significantly reduce, basement process is also more simple, greatly save the expense of basement process, to install so more convenient simultaneously, can remarkable reduction of erection time, simultaneously, respectively described main cylinder 100 is fixedly connected on described inner ring column foot 620, described column 100 is fixedly connected with on described outer shroud column foot 640, the bearing capacity of described annular column foot 600 can be distributed preferably, to ensure its life-span.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this manual is recorded.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (9)
1. one kind large-scale main cylinder floor steel structure cooling tower, it is characterized in that, comprise main cylinder, attached trussed construction and sealing and go along with sb. to guard him part, described attached trussed construction articulating is fixed on the outside of described main cylinder, described sealing is gone along with sb. to guard him part and is arranged at the outside that described attached trussed construction and described main cylinder are positioned at described attached trussed construction top, described main cylinder comprises at least one deck steel grid structure, and described steel grid structure is set with at least one annular reinforcer.
2. large-scale main cylinder floor steel structure cooling tower according to claim 1, it is characterized in that, described annular reinforcer is horizontal annular trussed construction, described annular reinforcer comprises inner ring chord member, outer shroud chord member and web member, described outer shroud chord member is the horizontal cross bar of main cylinder, described horizontal cross bar radially becomes the described inner ring chord member of described horizontal annular trussed construction to the off-centring certain distance of described main cylinder, be connected between described inner ring chord member with described outer shroud chord member by described web member.
3. large-scale main cylinder floor steel structure cooling tower according to claim 1, it is characterized in that, described main cylinder is for being arranged at ground individual layer rack cylindrical structure, described steel grid structure comprises oblique the first crossing support member and the second support member, described first support member, described second support member and described horizontal cross bar form multiple grid cell part, and described grid cell part is triangular structure.
4. large-scale main cylinder floor steel structure cooling tower according to claim 2, is characterized in that, comprise multiple described annular reinforcer be arranged in parallel.
5. large-scale main cylinder floor steel structure cooling tower according to claim 1, it is characterized in that, also comprise column, described attached trussed construction comprises multiple truss and strengthens connecting rod, multiple described truss is longitudinally evenly arranged along the centerline direction of described main cylinder, one end of described truss is fixed on described main cylinder, and the other end is fixed on described column, and described reinforcement connecting rod is fixedly connected with adjacent two described truss.
6. large-scale main cylinder floor steel structure cooling tower according to claim 5, it is characterized in that, described truss is set to triangle-frame, and described triangle-frame inside is installed with multiple supporting rod.
7. large-scale main cylinder floor steel structure cooling tower according to claim 6, it is characterized in that, below the elevation of bottom being positioned at described truss between adjacent two described truss, place is provided with air intake, the absolute altitude of described column equals the absolute altitude of described air intake, and the absolute altitude of described air intake is lower than the absolute altitude of described attached trussed construction and described main cylinder junction.
8. large-scale main cylinder floor steel structure cooling tower according to claim 1, is characterized in that, described main cylinder comprises the straight-tube shape of upper opening and lower openings and diameter is the cone tubular structure of increasing trend.
9. large-scale main cylinder floor steel structure cooling tower according to claim 1, it is characterized in that, also comprise annular column foot, described annular column foot is fixed on ground, described annular column foot comprises inner ring column foot and outer shroud column foot, described main cylinder is fixedly connected on described inner ring column foot, and described column is fixedly connected with on described outer shroud column foot.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756382A (en) * | 2016-04-29 | 2016-07-13 | 双良节能系统股份有限公司 | Natural ventilation steel structure tower |
| CN105927002A (en) * | 2016-06-29 | 2016-09-07 | 北京市建筑设计研究院有限公司 | Steel structural cooling tower consisting of triangular grids and provided with support |
| CN105937327A (en) * | 2016-06-28 | 2016-09-14 | 中国电力工程顾问集团中南电力设计院有限公司 | Steel structure cooling tower containing oppositely-pulling cables |
| CN105971328A (en) * | 2016-06-29 | 2016-09-28 | 北京市建筑设计研究院有限公司 | Fabricated steel-structure cooling tower consisting of six-rod tetrahedron units |
| CN106205335A (en) * | 2016-08-26 | 2016-12-07 | 河南大学 | A kind of for monitoring the climate change forest Simulating warming system to ecology influence |
| CN106760879A (en) * | 2016-12-30 | 2017-05-31 | 西安建筑科技大学 | A kind of square steel construction granulation tower tower mast system of huge lattice column |
| CN110397316A (en) * | 2019-07-29 | 2019-11-01 | 华电重工股份有限公司 | A kind of triangle gridding steel structure cooling tower |
| CN110424808A (en) * | 2019-08-07 | 2019-11-08 | 上海市机械施工集团有限公司 | A kind of covering construction method of steel construction indirect cool tower |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105756382A (en) * | 2016-04-29 | 2016-07-13 | 双良节能系统股份有限公司 | Natural ventilation steel structure tower |
| CN105937327A (en) * | 2016-06-28 | 2016-09-14 | 中国电力工程顾问集团中南电力设计院有限公司 | Steel structure cooling tower containing oppositely-pulling cables |
| CN105927002A (en) * | 2016-06-29 | 2016-09-07 | 北京市建筑设计研究院有限公司 | Steel structural cooling tower consisting of triangular grids and provided with support |
| CN105971328A (en) * | 2016-06-29 | 2016-09-28 | 北京市建筑设计研究院有限公司 | Fabricated steel-structure cooling tower consisting of six-rod tetrahedron units |
| CN105971328B (en) * | 2016-06-29 | 2018-11-27 | 北京市建筑设计研究院有限公司 | A kind of assembling type steel structure cooling tower being made of six bar tetrahedron elements |
| CN105927002B (en) * | 2016-06-29 | 2018-11-27 | 北京市建筑设计研究院有限公司 | A kind of steel structure cooling tower being made of the triangular mesh with support |
| CN106205335A (en) * | 2016-08-26 | 2016-12-07 | 河南大学 | A kind of for monitoring the climate change forest Simulating warming system to ecology influence |
| CN106760879A (en) * | 2016-12-30 | 2017-05-31 | 西安建筑科技大学 | A kind of square steel construction granulation tower tower mast system of huge lattice column |
| CN106760879B (en) * | 2016-12-30 | 2022-09-20 | 西安建筑科技大学 | Giant lattice column square steel structure prilling tower mast system |
| CN110397316A (en) * | 2019-07-29 | 2019-11-01 | 华电重工股份有限公司 | A kind of triangle gridding steel structure cooling tower |
| CN110424808A (en) * | 2019-08-07 | 2019-11-08 | 上海市机械施工集团有限公司 | A kind of covering construction method of steel construction indirect cool tower |
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