CN216305540U - Giant frame diagonal bracing structure - Google Patents
Giant frame diagonal bracing structure Download PDFInfo
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- CN216305540U CN216305540U CN202122267846.XU CN202122267846U CN216305540U CN 216305540 U CN216305540 U CN 216305540U CN 202122267846 U CN202122267846 U CN 202122267846U CN 216305540 U CN216305540 U CN 216305540U
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Abstract
The utility model discloses a giant frame diagonal bracing structure which comprises a giant frame column, a giant diagonal bracing, a cavity truss girder, an equipment layer lower truss girder, an equipment layer upper truss girder, a section steel concrete bottom plate, a section steel concrete top plate and a surface skin. The giant frame inclined strut structure has the advantages of large integral rigidity, good stability and higher strong shock safety performance, is used for a photo-thermal power generation system, forms a high-efficiency photo-thermal power generation system, has the functions of photo-thermal power generation and heat dissipation indirect cooling, solves the problems of large power consumption of the traditional direct cooling system, large occupied area of the indirect cooling system, long construction period, high initial investment and the like, and improves the corrosion resistance and the strong shock safety of a heat absorption structure.
Description
Technical Field
The utility model relates to a structure in the field of civil engineering, which is applied to a photo-thermal power generation system.
Background
The tower type photo-thermal power generation is characterized in that sunlight is gathered on a heat absorber fixed at the top of a tower by utilizing a fixed eyepiece group, and the heat absorber is used for generating high temperature, heating a working medium to generate superheated steam or high-temperature gas and driving a steam turbine generator set to generate power. Common tower type photo-thermal power generation areas comprise a steam turbine room area, a heat storage and exchange and steam generator area, a cooling facility area, a water treatment and water supply facility area, a sewage and wastewater facility area, a heat absorption tower and the like.
The existing cooling facilities mostly adopt air cooling modes, including direct and indirect air cooling systems. The direct air cooling system adopts a mechanical ventilation mode, consumes a large amount of electric power per se, consumes about 5 percent of electric power generated by photo-thermal, has large noise of a large-diameter axial flow fan, and is greatly influenced by environmental wind. The indirect air cooling system is provided with an air cooling tower, a circulating water system is in a closed state, the air cooling power consumption rate is low, but the occupied area is large, the initial investment is large, the traditional air cooling tower is constructed by adopting a brick structure or reinforced concrete, the construction period is long, the whole construction is difficult, the consumption of brick or reinforced concrete materials is large, the influence on the environment is also large, the corrosion resistance is poor due to the influence of high-temperature steam humidity, and the service cycle is short. Under the action of strong shock, the traditional brick structure or reinforced concrete structure air cooling tower is weak in shock resistance and poor in overall energy consumption capability, after the air cooling tower is damaged by local weak positions, the overall structure is prone to continuously collapse and extremely destructive, and meanwhile surrounding power generation area structures are prone to being influenced.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a braced structure of a giant frame. This structure can be applied to the light and heat power generation system, for a novel efficient, safe and reliable's structural scheme, makes entire system with light and heat electricity generation and the cold integration between heat dissipation, has solved that traditional direct cooling system power consumption is big, indirect cooling system area is big, the construction cycle is long, life cycle short scheduling problem to improve heat absorbing structure's corrosion resistance and macroseism security.
The utility model provides the following technical scheme:
a giant frame diagonal bracing structure comprises a giant frame column, a giant diagonal bracing, a cavity truss girder, an equipment layer lower truss girder, an equipment layer upper truss girder, a section steel concrete bottom plate, a section steel concrete top plate and a surface skin;
the top of the giant frame diagonal bracing structure is provided with a molten salt heat absorber, the interior of the giant frame diagonal bracing structure is provided with a hot molten salt pipeline and a cold molten salt pipeline, and the exterior of the giant frame diagonal bracing structure is provided with a hot molten salt tank and a cold molten salt tank;
the utility model discloses a structure, including huge frame post, cavity truss girder, equipment layer, roof and four huge frame posts, huge frame post sets up in structure bight, cavity truss girder sets up in the structure middle part, connects the huge truss post in bight, the truss girder sets up in the play wind zone top under the equipment layer to support shaped steel concrete bottom plate, the truss girder sets up in the equipment layer top, supports shaped steel concrete roof jointly with four huge frame posts, the fused salt heat absorber sets up in the equipment layer top, with shaped steel concrete roof rigid coupling, surface covering sets up in the structure surface within range below the air-out layer more than the air-inlet layer.
Preferably, the giant frame diagonal bracing structure is provided with four giant frame columns which run through the whole structure, polygonal combined sections with enough rigidity, strength and deformability are adopted, and corner columns on each side face are hyperbolic; the cavity truss girder is provided with 4-5 channels in the middle of the structure, corresponds to the number of the giant diagonal braces, is formed by intersecting the planes of box-shaped steel members and is connected by high-strength bolts.
Preferably, the giant diagonal bracing structure is characterized in that the giant diagonal bracing is arranged in the range from the bottom of the structure to the bottom of the air outlet layer, 4-5 welding box-shaped sections are adopted, concrete is poured in the welded box-shaped sections, the number of the applicable giant diagonal bracing can be calculated and adjusted according to the specific structure height, and the lateral stiffness and the seismic performance of the whole structure are improved.
Preferably, the cross sections of the giant frame diagonal bracing structure, the equipment layer lower truss girder and the equipment layer upper truss girder are the same as the cross sections of the cavity truss girders, four corner columns are respectively connected to the periphery of the giant frame diagonal bracing structure, and the corner columns are connected in a crossed manner inside the giant frame diagonal bracing structure.
Preferably, the huge frame diagonal bracing structure, the section steel concrete bottom plate and the section steel concrete top plate adopt a profiled steel sheet and reinforced concrete slab combined section, and are provided with the shear connectors, wherein the profiled steel sheet is made of weather-resistant structural steel, so that the influence of top water vapor on the structural performance is prevented, and the atmospheric corrosion resistance of the air-out layer top plate is improved.
Preferably, the surface skin of the giant frame diagonal bracing structure can be made of glass fiber reinforced plastic plates supported by purlines, the glass fiber reinforced plastic plates are light in weight, high in strength and long in service life, and the corrosion resistance and the service life of the structure are further improved.
Preferably, the hot-melt salt pipeline and the cold-melt salt pipeline connected with the molten salt heat absorber are arranged inside the giant frame diagonal bracing structure and are connected with the external hot-melt salt tank and the external cold-melt salt tank, when power generation is needed, the hot-melt salt exchanges heat with water and acts on the steam generator to generate hot steam, and the steam turbine connected with the steam generator generates power.
Preferably, a surface radiator of the air cooling system is arranged in the giant frame diagonal bracing structure and is connected with an external regenerative system, a circulating water pump and other devices to jointly form the surface indirect air cooling system, the system can act on steam which is discharged from the tail of the steam turbine and needs to be cooled, the steam is cooled through the surface indirect air cooling system, enters an air inlet layer, is subjected to circulating water heat exchange, is pressurized to the regenerative system by the condensate pump, and circulating water after heat exchange returns to the surface radiator, is pressurized by the circulating water pump after heat exchange with air, and is sent to a steam turbine room for recycling.
The giant frame inclined strut structure is used for a photo-thermal power generation system and has the following beneficial effects:
(1) when the system is applied, the system participates in building a photo-thermal power generation system, a novel efficient, safe and reliable photo-thermal tower structure scheme is arranged in the system, photo-thermal power generation and heat dissipation are integrated, the problems of large occupied area, high initial investment and the like caused by the respective construction of a traditional indirect cooling system and a heat absorption tower are solved, the construction cost is reduced to a great extent, and the system has a wide application prospect.
(2) The photo-thermal power generation system comprising the giant frame inclined strut structure adopts an indirect air cooling system to replace a mechanical ventilation air cooling system, greatly reduces the power consumed by cooling, does not bring the noise pollution of mechanical ventilation, and reduces the power consumption rate and the operation cost of a plant area.
(3) The photo-thermal power generation system comprising the giant frame inclined strut structure has the advantages that the photo-thermal tower structure is high in overall rigidity and good in stability, a fused salt heat absorber with large mass at the top can be supported, lateral movement of the top of the structure is smaller than that of a traditional reinforced concrete structure under the action of wind load and earthquake load, and the limit value of solar light collection at the top of the tower on structural displacement of the top of the tower is easily met.
(4) The photothermal power generation system comprises the giant frame diagonal bracing structure, the photothermal tower adopts the steel and concrete combined frame column, the giant diagonal bracing is arranged in the frame column, the whole structure is high in rigidity and strong in lateral resistance, the giant diagonal bracing firstly consumes energy under the action of strong shock and has certain resetting capability, and then the middle cavity truss girder consumes energy to form a plurality of anti-seismic defense lines.
(5) The photothermal power generation system comprising the giant frame inclined strut structure has the advantages that the surface skin of the photothermal tower is made of glass fiber reinforced plastic plates, the light weight, the high strength and the long service life are realized, the combined bottom plate and the combined top plate are made of the profiled weather-resistant structural steel, after the integral structure reaches the service cycle, the plates can be still recycled, the environmental protection performance and the corrosion resistance of the engineering are further improved, meanwhile, the environmental sensitivity of the structure is small, the engineering site selection is wider than that of a traditional reinforced concrete structure, the engineering applicability is strong, and the service cycle is long.
Drawings
FIG. 1 is a schematic elevation view of an embodiment of the present invention involved in constructing a photovoltaic power generation system;
FIG. 2 is a schematic top view of an embodiment of the present invention involved in the construction of a photovoltaic power generation system;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 1;
fig. 4 is a schematic cross-sectional view of B-B in fig. 1.
Reference numbers in the figures:
photothermal tower structural member: the large-scale truss structure comprises a large-scale frame column 1, a large-scale inclined strut 2, a cavity truss girder 3, an equipment layer lower truss girder 4, an equipment layer upper truss girder 5, a section steel concrete bottom plate 6 and a section steel concrete top plate 7;
non-structural member: a surface skin 8 and a molten salt heat absorber 9;
special layer: an air outlet layer 10, an equipment layer 11 and an air inlet layer 12;
auxiliary structures and corresponding components: a hot molten salt pipeline 13, a cold molten salt pipeline 14, a hot molten salt tank 15, a cold molten salt tank 16, a steam generator 17, a steam turbine 18 and steam 19 to be cooled.
Detailed Description
The utility model is further illustrated by the following examples and figures.
The utility model discloses a giant frame inclined strut structure which is used for a photo-thermal power generation system, and the utility model is further explained by combining the specific application of the giant frame inclined strut structure in the photo-thermal power generation system.
Application example
See fig. 1, 2, 3, and 4 for example only.
As shown in fig. 1-2, a photo-thermal power generation system including the giant frame diagonal bracing structure of the utility model includes a giant frame diagonal bracing structure supporting a molten salt heat absorber (9), a hot molten salt pipeline (13), a cold molten salt pipeline (14), a hot molten salt tank (15), a cold molten salt tank (16), a steam generator (17), a steam turbine (18), other connecting pipelines, and the like; the hot-melt salt pipeline (13) and the cold-melt salt pipeline (14) inside the giant frame diagonal bracing structure are connected to the molten salt heat absorber (9) and are respectively connected with the hot-melt salt tank (15) and the cold-melt salt tank (16) outside the giant frame diagonal bracing structure, the hot-melt salt tank (15) is connected with the steam generator (17) through a hot salt pump, the steam generator (17) is connected with the steam turbine (18) through a pipeline, and the steam turbine (18) is connected with the inner part of the giant frame diagonal bracing structure through a steam pipeline.
The photo-thermal tower adopting the giant frame diagonal bracing structure system comprises a giant frame column (1), a giant diagonal brace (2), a cavity truss girder (3), an equipment layer lower truss girder (4), an equipment layer upper truss girder (5), a steel reinforced concrete bottom plate (6), a steel reinforced concrete top plate (7) and a surface skin (8), and is provided with a molten salt heat absorber (9); huge frame post (1) sets up in structure bight, cavity truss girder (3) set up in the structure middle part, connect the huge truss post (1) in bight, truss girder (4) set up in play wind bed (10) top under the equipment layer to support shaped steel concrete bottom plate (6), truss girder (5) set up in equipment layer (11) top on the equipment layer, support shaped steel concrete roof (7) jointly with four huge frame post (1), fused salt heat absorber (9) set up in equipment layer (11) top, with shaped steel concrete roof (7) rigid coupling, surface covering (8) set up the structure surface within range below air-out layer (10) more than air inlet layer (12).
The large frame diagonal bracing structure is characterized in that the large frame columns (1) are arranged at the corners of the structure, the number of the large frame columns is four, the large frame columns penetrate through the whole structure, the inner multi-cavity steel pipe concrete combined section is adopted and is pentagonal, the corner columns on each side face are hyperbolic, and the section positions are in retracted distribution;
in the giant frame diagonal bracing structure, the giant diagonal bracing (2) is arranged in the range from the bottom of the structure to the bottom of the air outlet layer (10), 4 channels are arranged by welding box-shaped sections and pouring concrete in the structure, so that the lateral stiffness of the giant frame structure is improved;
in the giant frame diagonal bracing structure, the cavity truss girder (3) is arranged in the middle of the structure and is connected with the corner giant truss column (1), 4 channels are arranged in the middle of the structure and correspond to the number of the giant diagonal bracing, the channel truss girder is formed by intersecting the planes of box-shaped steel members and is connected with the giant diagonal bracing (2) by adopting high-strength bolts to form the first two anti-seismic defense lines of the integral structure together, so that the strong-seismic safety performance of the structure is improved;
in the giant frame diagonal bracing structure, the lower truss girder (4) of the equipment layer is arranged at the top of the air outlet layer (10) and supports the steel reinforced concrete bottom plate (6), the upper truss girder (5) of the equipment layer is arranged at the top of the equipment layer (11) and supports the steel reinforced concrete top plate (7) together with the four giant frame columns (1), the cross section of the steel reinforced concrete top plate is the same as that of the cavity truss girder (3), the periphery of the equipment layer is respectively connected with four corner columns and internally and crossly connected with the giant frame columns (1), the steel reinforced concrete bottom plate (6) and the steel reinforced concrete top plate (7) adopt a profiled steel plate and reinforced concrete plate combined cross section and are provided with a shear connector, wherein the profiled steel plate materials all adopt weather-resistant structural steel materials, the influence of top water vapor on the structural performance is prevented, and the steam corrosion resistance of the air outlet layer top plate is improved;
according to the giant frame diagonal bracing structure, the surface skin (8) is arranged in the range from the air inlet layer (12) to the outer surface of the structure below the air outlet layer (10), and the glass fiber reinforced plastic plate supported by the purlines is adopted, so that the glass fiber reinforced plastic plate is light in weight, high in strength and long in service life, and the corrosion resistance and the service cycle of the structure are further improved;
the molten salt heat absorber (9) is arranged at the top of the equipment layer (11) and fixedly connected with the steel reinforced concrete top plate (7), a hot molten salt pipeline (13) and a cold molten salt pipeline (14) inside the giant frame diagonal structure are connected and respectively connected with a hot molten salt tank (15) and a cold molten salt tank (16) outside the giant frame diagonal structure, a heliostat group reflects solar light energy to the molten salt heat absorber (9) at the top, the temperature of the heat absorber rises to 1000 Fahrenheit after heat absorption, cold molten salt is sent to the molten salt heat absorber (9) from the cold molten salt tank (16) through the cold molten salt pipeline (14) and is heated after energy absorption, the heated molten salt flows into the hot molten salt tank (15) through the hot molten salt pipeline (13) and is stored, the hot molten salt in the hot molten salt tank is sent to the steam generator (17) through the hot salt pump, water is pumped to the steam generator (17), and the molten salt and the water are fully exchanged heat in the steam generator, generating superheated steam, and sending the superheated steam to a steam turbine (18) to do work and generate electricity;
the surface radiator of the air cooling system is arranged in the giant frame inclined strut structure, steam (19) to be cooled is discharged from the tail of the steam turbine (18) and enters the air inlet layer (12), the steam is subjected to circulating water heat exchange and is boosted to the heat regeneration system by the condensate pump, circulating water after heat exchange returns to the surface radiator, and after the heat exchange with air, the circulating water is boosted by the circulating water pump and is sent to the steam turbine room for recycling.
The above are typical examples of the present invention, and the practice of the present invention is not limited thereto.
The above description is only illustrative of the preferred embodiments of the present invention and should not be taken as limiting the scope of the utility model in any way. Any changes or modifications made by those skilled in the art based on the above disclosure should be considered as equivalent effective embodiments, and all the changes or modifications should fall within the protection scope of the technical solution of the present invention.
Claims (7)
1. A giant frame diagonal bracing structure is characterized by comprising a giant frame column (1), a giant diagonal bracing (2), a cavity truss girder (3), an equipment layer lower truss girder (4), an equipment layer upper truss girder (5), a section steel concrete bottom plate (6), a section steel concrete top plate (7) and a surface skin (8);
the top of the giant frame diagonal bracing structure is provided with a molten salt heat absorber (9), the interior of the giant frame diagonal bracing structure is provided with a hot molten salt pipeline (13) and a cold molten salt pipeline (14), and the exterior of the giant frame diagonal bracing structure is provided with a hot molten salt tank (15) and a cold molten salt tank (16);
the giant frame columns (1) are arranged at the corners of the diagonal bracing structure of the giant frame; the cavity truss girder (3) is arranged in the middle of the giant frame diagonal bracing structure and is connected with the corner giant frame column (1); the equipment layer lower truss girder (4) is arranged at the top of the air outlet layer (10) and supports the steel reinforced concrete bottom plate (6), and the equipment layer upper truss girder (5) is arranged at the top of the equipment layer (11) and supports the steel reinforced concrete top plate (7) together with the four giant frame columns (1); the molten salt heat absorber (9) is arranged at the top of the equipment layer (11) and fixedly connected with the steel reinforced concrete top plate (7); the surface skin (8) is arranged in the range from the outer surface of the structure above the air inlet layer (12) to the outer surface of the structure below the air outlet layer (10).
2. The giant frame diagonal bracing structure according to claim 1, wherein four giant frame columns (1) are arranged, penetrating the whole structure, polygonal combined sections with sufficient rigidity, strength and deformability are adopted, corner columns on each side face are hyperbolic, and the section positions are in a retraction type distribution; the cavity truss girder (3) is provided with 4-5 channels in the middle of the structure, is formed by intersecting box-shaped steel member planes and is connected by high-strength bolts.
3. The giant frame diagonal bracing structure according to claim 1, wherein the giant diagonal bracing is arranged from the bottom of the structure to the bottom of the air outlet layer (10), 4-5 channels of welded box-shaped cross sections and poured concrete are arranged in the giant diagonal bracing structure, and the number of the applicable giant diagonal bracing is calculated and adjusted according to the specific structure height.
4. The giant frame diagonal bracing structure according to claim 1, wherein the cross section of the top equipment layer lower truss girder (4) and the equipment layer upper truss girder (5) is the same as that of the cavity truss girder (3), four corner posts are respectively connected on the periphery, and the corner posts are connected in a cross way on the inside.
5. The giant frame diagonal bracing structure according to claim 1, wherein the inner steel reinforced concrete bottom plate (6) and the steel reinforced concrete top plate (7) are made of profiled steel plate and reinforced concrete plate combined sections, and provided with shear connectors, wherein the profiled steel plate material is made of weather-resistant structural steel.
6. Giant frame sprag structure according to claim 1, characterised in that the surface skin (8) is of glass fibre reinforced plastic sheet material supported by purlins.
7. The giant frame diagonal bracing structure according to claim 1, wherein a surface radiator of an air cooling system is arranged inside, and is connected with an external heat recovery system and a circulating water pump device to form a surface type indirect air cooling system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122267846.XU CN216305540U (en) | 2021-09-18 | 2021-09-18 | Giant frame diagonal bracing structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122267846.XU CN216305540U (en) | 2021-09-18 | 2021-09-18 | Giant frame diagonal bracing structure |
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| CN216305540U true CN216305540U (en) | 2022-04-15 |
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| CN202122267846.XU Active CN216305540U (en) | 2021-09-18 | 2021-09-18 | Giant frame diagonal bracing structure |
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| CN (1) | CN216305540U (en) |
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2021
- 2021-09-18 CN CN202122267846.XU patent/CN216305540U/en active Active
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