CN210459269U - High-order tower trickle post - Google Patents
High-order tower trickle post Download PDFInfo
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- CN210459269U CN210459269U CN201920929230.4U CN201920929230U CN210459269U CN 210459269 U CN210459269 U CN 210459269U CN 201920929230 U CN201920929230 U CN 201920929230U CN 210459269 U CN210459269 U CN 210459269U
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Abstract
The utility model discloses a high-order tower water spray column, the drawing and spraying support column is connected with the column foundation by adopting an assembled column base, the drawing and spraying support column comprises a reinforcement cage concrete column and a profile steel concrete column arranged in the reinforcement cage concrete column, and the bottom of the drawing and spraying support column is connected with a connecting plate through a steel structure at the bottom of the spraying and spraying support column; the post foundation include with the pre-buried steel sheet that the connecting plate is connected adopts the post foundation seat that concrete placement becomes to and run through the embedded steel bar of post foundation seat, post foundation seat top is provided with pre-buried steel sheet, the post foundation seat evenly is provided with a plurality of embedded steel bars that run through post foundation seat top along the girth direction, exposes pouring has post-cast concrete around the embedded steel bar at post foundation seat top, post-cast concrete inwards extends to the trickle support column. The high-order tower water spraying column can meet the relevant requirements of strength, rigidity and stability of the high-order tower, and is low in manufacturing cost and convenient to construct.
Description
Technical Field
The utility model belongs to the technical field of the cooling tower, the high-order water cooling tower core that receives of circulating water of mainly used large-scale thermal power factory, nuclear power plant drenches the water column, concretely relates to high-order tower drenches water column.
Background
The cooling tower is widely applied to thermal power and nuclear power, and with the successive increase of new construction of million units of thermal power generation in China and the inland development of nuclear power, the ultra-large natural ventilation cooling tower has wider and wider application prospect. Compared with the conventional natural ventilation cooling tower, the high-level water collecting cooling tower has the advantages of energy conservation and environmental protection, and has wide application prospect, especially for high-price enterprises and areas with power supply shortage, because the high-level water collecting cooling tower cancels a water collecting tank at the bottom and is replaced by the high-level water collecting device and the water collecting tank, the water pump lift is reduced, and rain areas and noises are reduced.
In order to meet the process arrangement requirements of the high-level tower, a suspension type water spraying framework is adopted, and the height of a water spraying column is 20-25 m. The main beams at the top end of the water spraying column are generally orthogonally arranged, and the beam system is directly placed on the top of the column or a bracket at the side of the column. The load borne by the water spraying column comprises component loads of a tower core dehydrator, a filler, a water collecting tank and the like transmitted by a beam system. The water spraying columns are not supported, the maximum side length of the limited cross section size of the columns is not more than 700mm, and the length-to-fineness ratio of the water spraying columns is very large; particularly in a high earthquake intensity area, the water spraying column needs to bear the earthquake action to generate horizontal earthquake force, so that the related requirements of the strength, the rigidity and the stability of the water spraying column cannot be met according to the conventional method.
Usually, the water spraying column all adopts prefabricated hoist and mount, compares with conventional cooling tower, and high-order tower water spraying degree height and size all greatly increased, this very big increase the degree of difficulty of construction hoist and mount. In order to meet the requirements of earthquake resistance, stability and the like, the bottom end of the water spraying column is required to be rigidly connected with a foundation. At present, the column base is generally installed in a cup socket type, a hole for placing the column is reserved in a foundation, and the size of the hole is larger than that of the section of the column. After the column is placed into the hole, the surface of the part, inserted into the cup opening, of the column is chiseled, and the gap between the column and the cup opening is filled and compacted by using fine stone concrete (the strength of which is higher than that of basic concrete by one level). In the connection method, a gap of concrete self-shrinkage exists between the fine aggregate concrete and the old cup-mouth concrete, so that the concrete column is not firmly fixed, meanwhile, the reserved steel bars of the column foundation are higher in welding process requirement when being connected with the column base, the construction quality cannot be controlled, the stability of the column is influenced, and the overall safety performance is reduced.
In order to solve the above problems, it is urgently needed to develop a novel high-order tower water spraying column and a column foundation to meet the requirements of a large-scale high-order tower.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a high-order tower trickle post can satisfy the relevant requirement of high-order tower intensity, rigidity and stability, and the cost is low simultaneously, and construction convenience.
The utility model adopts the technical scheme as follows:
a high-order tower water spraying column comprises a water spraying supporting column and a column foundation, wherein the water spraying supporting column is connected with the column foundation through an assembled column base, the water spraying supporting column comprises a steel reinforcement cage concrete column and a profile steel concrete column arranged in the steel reinforcement cage concrete column, and the bottom of the water spraying supporting column is connected with a connecting plate through a steel structure on the bottom of the water spraying supporting column; the post foundation include with the pre-buried steel sheet that the connecting plate is connected adopts the post foundation seat that concrete placement becomes to and run through the embedded steel bar of post foundation seat, post foundation seat bottom is provided with pre-buried steel sheet, the post foundation seat evenly is provided with a plurality of embedded steel bars that run through post foundation seat top along the girth direction, exposes pouring has post-cast concrete around the embedded steel bar at post foundation seat top, post-cast concrete inwards extends to the trickle support column.
The utility model discloses a be equipped with shaped steel concrete column and steel reinforcement cage concrete column in the high-order tower trickle support post and bear outer load effect jointly to improved bearing capacity greatly, can reduce the whole cross-sectional area of high-order tower trickle support post simultaneously greatly, improve high-order tower effect trickle area, can satisfy the relevant requirement of high-order tower intensity, rigidity and stability simultaneously. In addition, the trickle support column is connected with the column foundation through the assembled column base, the problems that in a cup mouth spigot-and-socket concrete column in the traditional method, a gap of concrete self-contraction exists between fine aggregate concrete and old cup mouth concrete, the concrete column is not firm to fix, the safety performance is reduced and the like can be solved, meanwhile, concrete is poured for the second time outside a column base connection structure, the connection stability is improved, corrosion and rusting of steel members of the connection structure are avoided, and the safety is improved.
Preferably, the steel reinforcement cage concrete column includes steel reinforcement cage and the concrete of pouring around the steel reinforcement cage, the steel reinforcement cage includes that a plurality of evenly arrange according to the circumferencial direction are in the vertical reinforcing bar of shaped steel concrete column periphery, evenly be provided with the horizontal reinforcing bar of a plurality of annular and also with the horizontal reinforcing bar of a plurality of rectangles on the vertical reinforcing bar, the pouring is in concrete inwardly extension on the steel reinforcement cage periphery reaches shaped steel concrete column.
Adopt above-mentioned preferred scheme, above-mentioned steel reinforcement cage structure can satisfy the required steel reinforcement protective layer thickness of structure, and extends the concrete of steel reinforcement cage concrete column pouring to interior shaped steel concrete column to become integrative with interior shaped steel concrete column, make whole trickle support post form a whole, have certain anti-seismic performance.
Preferably, the section steel column concrete comprises a steel pipe and concrete poured in the steel pipe.
By adopting the preferred scheme, the steel structure of the section steel column can adopt steel pipes with indefinite shapes, and concrete is poured in the steel pipes.
Preferably, the wall of the steel pipe is provided with a plurality of exhaust holes which are uniformly arranged.
By adopting the preferred scheme, the exhaust holes which are uniformly arranged are formed in the pipe wall of the steel pipe, so that concrete can be conveniently poured in the steel pipe.
Preferably, the section steel column concrete comprises a section steel column and concrete poured around the section steel column extends outwards to the steel reinforcement cage concrete column.
By adopting the preferred scheme, the steel structure of the section steel column can also adopt section steel columns with various shapes and variable shapes, and concrete is poured around the section steel column and outwards extends to the reinforcement cage concrete column to form a whole with the reinforcement cage concrete column.
Preferably, the section steel column comprises cross-shaped section steel and steel plates arranged at four end parts of the cross-shaped section steel, and the steel plates are perpendicular to the cross-shaped section.
Preferably, the connecting plate is welded and connected with a steel structure at the bottom of the water spraying support column through fillet welds.
Preferably, a plurality of first bolt holes are uniformly formed in the connecting plate in the circumferential direction, second bolt holes corresponding to the first bolt holes in a one-to-one mode are formed in the embedded steel plate in the circumferential direction, the first bolt holes are connected with the second bolt holes through high-strength bolts, and the connecting edges of the embedded steel plate and the connecting plate are connected through fillet weld welding.
Adopt above-mentioned preferred scheme, the connecting plate and the column foundation of the bottom of the trickle support column of being convenient for are connected, and have increased the steadiness that both connect.
Preferably, the size of the cross section area of the embedded steel plate is larger than that of the cross section area of the connecting plate.
Preferably, the post-cast concrete has a strength greater than the strength of the concrete used to cast the column foundation.
By adopting the preferable scheme, the post-cast concrete has high strength, and the connection stability of the water spraying support column and the column foundation can be further improved.
Drawings
FIG. 1 is a cross-sectional view of a water spray support column and a column foundation according to the present invention;
FIG. 2 is a first cross-sectional view of a support post for spraying water;
FIG. 3 is a second cross-sectional view of the support post for water spraying;
FIG. 4 is a third sectional view of the support column for spraying water.
The concrete-poured-type concrete foundation comprises, by weight, 1-a water-sprayed support column, 11-a reinforcement cage, 111-concrete, 112-longitudinal reinforcements, 113-rectangular transverse reinforcements, 114-annular transverse reinforcements, 12-steel pipes, 121-cross-shaped steels, 122-steel plates, 13-connecting plates, 2-column foundations, 21-column foundation bases, 22-embedded steel plates, 23-high-strength bolts, 24-embedded reinforcements and 25-post-poured concrete.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
Example 1
A high-order tower water spraying column is shown in figure 1, wherein a water spraying support column 1 is connected with a column foundation 2 through an assembled column base, the water spraying support column 1 comprises a steel reinforcement cage concrete column and a section steel concrete column arranged in the steel reinforcement cage concrete column, and the bottom of the water spraying support column is connected with a connecting plate 13 through a steel structure on the bottom of the water spraying support column; column foundation 2 include with the embedded steel plate 22 that connecting plate 13 is connected adopts the post foundation base 21 that concrete 111 poured into to and run through the embedded steel bar 24 of post foundation base 21, post foundation base 21 top is provided with embedded steel plate 22, post foundation base 21 evenly is provided with a plurality of embedded steel bars 24 that run through post foundation base 21 top along the girth direction, exposes pour into around the embedded steel bar 24 at post foundation base 21 top have post-cast concrete 25, post-cast concrete 25 inwards extends to steel reinforcement cage concrete column. The utility model discloses a trickle support post 1 includes steel reinforcement cage concrete column and arranges in the type rigid concrete column in steel reinforcement cage concrete column, and both bear outer load effect jointly, and concrete compressive capacity is high, but bending resistance is weak, and the bending resistance of steel especially shaped steel is strong, has fine elastoplasticity, but easy unstability and axial compressive capacity of losing when pressurized, the utility model discloses a trickle support post 1 structurally combines shaped steel and concrete 111 together, can make concrete 111 be in the side direction pressurized state, and its compressive strength can improve at double; meanwhile, the existence of the concrete 111 improves the rigidity of the section steel, and the concrete and the section steel play a role together, so that the bearing capacity is greatly improved. Place the steel reinforcement cage concrete column in the shaped steel concrete column in, both make up the ductility good, and shock resistance and anti-seismic performance are strong, can improve the stability of trickle support column 1, can reduce 1 whole cross-sectional area of high tower trickle support column simultaneously greatly, improve high-order tower trickle area, and this trickle support column can satisfy the relevant requirement of intensity, rigidity and stability simultaneously. Meanwhile, the steel construction on the trickle support column 1 bottom of this application is connected with connecting plate 13, connecting plate 13 is connected with the pre-buried steel sheet 22 of column foundation 2, and pre-buried steel sheet 22 is arranged in the column foundation seat 21 top that adopts concrete placement, evenly is provided with a plurality of embedded steel bars 24 that run through column foundation seat 21 top on the column foundation seat 21 along the girth direction, exposes pour into after-pouring concrete 25 around the embedded steel bar 24 at column foundation seat 21 top, after-pouring concrete 25 inwards extends to trickle support column 1. The trickle support column 1 and the column foundation 2 are connected by adopting an assembled column base, and compared with the traditional foot cup bearing-inserting type concrete column structure, the concrete column base structure is connected with the embedded steel plate 22 of the column foundation 2 through the concrete column base connecting plate 13, and the connecting plate 13 and the embedded steel plate 22 can be fixed through the high-strength bolt 23 to ensure that the concrete column base and the embedded steel plate are in rigid connection; meanwhile, because evenly be provided with the embedded reinforcement 24 that runs through column foundation 21 top on column foundation 21 along the girth direction, expose and be in pouring behind embedded reinforcement 24 at column foundation 21 top has the post-cast concrete 25 around, post-cast concrete 25 inwards extends to trickle support post 1 realizes that column base connection structure is outer to trickle support post 1 bottom secondary pouring concrete, has both increased the stability that trickle support post 1 and column foundation 2 are connected, avoids again that connection structure's steel part corrodes between trickle support post 1 and the column foundation 2 to rust, has increased the security. Simultaneously the trickle support post 1 of this application adopts assembled column base to be connected with column foundation 2, can avoid using in the foot cup socket formula mode to have a concrete clearance from the shrink between pea gravel concrete and the old concrete of cup rim, causes the concrete to fix insecure, and the security performance reduces the scheduling problem, and the trickle support post of this application is reasonable with column foundation connection simultaneously, and convenient and fast takes one's place, has saved the time, has improved the efficiency of construction. By adopting the water spraying supporting column 1 of the utility model, the connecting plate 13 is arranged at the bottom of the water spraying supporting column 1; (2) pouring concrete into the column foundation base 21, embedding an embedded steel plate 24 at the top of the column foundation base 21, and embedding embedded steel bars 24 at the edge of the column foundation base 21; (3) hoisting the water spraying supporting column 1 in place, and connecting a bottom connecting plate 13 of the water spraying supporting column 1 with an embedded steel plate 22; (4) the upper surface of the column foundation base 1 is roughened, and post-cast concrete 25 is poured on the top of the column foundation base 1. Wherein, the step (1) and the step (2) are not interfered with each other and can be carried out synchronously.
Example 2
Based on above-mentioned embodiment 1, as shown in fig. 2-4, steel reinforcement cage concrete column includes steel reinforcement cage 11 and the concrete 111 of pouring around the steel reinforcement cage, steel reinforcement cage 11 includes a plurality of vertical reinforcing bars 112 that evenly arrange according to the circumferencial direction in the steel reinforcement concrete column periphery, evenly be provided with a plurality of annular transverse reinforcement 114 and a plurality of rectangle transverse reinforcement 113 on vertical reinforcing bar 112, the pouring is in concrete 111 around steel reinforcement cage 11 inwards extends to the steel reinforcement concrete column in the steel reinforcement concrete column. The utility model discloses in, a plurality of longitudinal reinforcement 112 evenly arrange according to the circumferencial direction shaped steel post concrete periphery, and a plurality of annular transverse reinforcement 114 and the 113 covers of a plurality of rectangle transverse reinforcement establish a plurality of longitudinal reinforcement 112's periphery, rectangle transverse reinforcement 113 and annular transverse reinforcement 114 with longitudinal reinforcement 112 forms latticed fretwork body's steel reinforcement cage 11 perpendicularly, and pouring concrete 111 around steel reinforcement cage 11, the concrete 111 of pouring inwards extend to the shaped steel post concrete column makes steel reinforcement cage concrete column and shaped steel post concrete form an organic whole, makes whole trickle support post 1 form a whole to reinforcing trickle support post 1's shock resistance. In this embodiment, other undescribed contents are the same as those in the above embodiment, and are not described again here.
Example 3
Based on the above-described embodiments 1 to 2, as shown in fig. 2 to 3, the steel reinforced concrete column includes a steel pipe 12 and concrete 111 poured in the steel pipe. The steel reinforced concrete column can be composed of a steel tube 12 and concrete 111 poured in the steel tube 12, the steel tube 12 can be a circular steel tube, and as shown in fig. 2, when the circular steel tube is adopted, the section is circular; a square steel pipe may be used, and as shown in fig. 3, the cross section of the steel pipe is square, and the round and square shapes are relatively common steel pipe shapes, but the shape of the steel pipe 12 is not limited to the above shapes. In this embodiment, other undescribed contents are the same as those in the above embodiment, and are not described again here.
Example 4
Based on the embodiment 3, the pipe wall of the steel pipe 12 is provided with a plurality of exhaust holes which are uniformly arranged. The pipe wall of the steel pipe 12 is provided with a plurality of exhaust holes which are uniformly arranged, so that air in the steel pipe can be conveniently discharged when concrete is poured into the steel pipe 12, and concrete pouring construction of the steel pipe 12 is facilitated. In this embodiment, other undescribed contents are the same as those in the above embodiment, and are not described again here.
Example 5
Based on the above embodiments 1-2, as shown in fig. 4, the steel reinforced concrete column includes steel reinforced columns and concrete 111 poured around the steel reinforced columns extends outward to the steel reinforced concrete column. The section steel column concrete can also be formed into a whole with the steel reinforcement cage concrete column by using the section steel column and casting concrete 111 on the section steel column to extend outwards, and the shape of the section steel column is not fixed in this embodiment, so that a proper section steel column can be selected according to actual needs. In this embodiment, other undescribed contents are the same as those in the above embodiment, and are not described again here.
Example 6
Based on the above embodiment 5, as shown in fig. 4, the section steel-steel column includes a cross-shaped section steel 121 and steel plates 122 disposed on four ends of the cross-shaped section steel 121, and the steel plates 122 are perpendicular to the cross-shaped section steel 121. In the embodiment, the section steel column is cross section steel 121, and steel plates 122 are arranged at four ends of the cross section steel 121, and the steel plates 122 are perpendicular to the cross section steel 121. In this embodiment, other undescribed contents are the same as those in the above embodiment, and are not described again here.
Example 7
Based on the embodiment 1, the connecting plate 13 is welded and connected with the steel structure at the bottom of the water spraying supporting column 1 by fillet welding. In this embodiment, fillet welding is used to connect the connection plate 13 to the bottom of the support post. In this embodiment, other undescribed contents are the same as those in the above embodiment, and are not described again here.
Example 8
Based on the embodiment 1, as shown in fig. 1, a plurality of first bolt holes are uniformly formed in the connecting plate 13 along the circumferential direction, second bolt holes corresponding to the first bolt holes one to one are formed in the embedded steel plate 22 along the circumferential direction, the first bolt holes are connected with the second bolt holes through high-strength bolts 23, and the connecting edge of the embedded steel plate 22 and the connecting plate 13 is welded by using fillet welds. Connecting plate 13 and the pre-buried steel sheet 22 of trickle support column 1 bottom are gone up and are got up the first bolt hole that sets up on the board and the second bolt hole on the pre-buried steel sheet through using high strength bolt 23 to be connected, and high strength bolt 23 is pre-buried to post foundation base 21 simultaneously, adopts the angle weld welding with pre-buried steel sheet 22 and connecting plate 13 joint edge simultaneously, adopts two kinds of modes combined action connecting plate 13 and pre-buried steel sheet 22 like this, can increase the steadiness of both connections. In this embodiment, other undescribed contents are the same as those in the above embodiment, and are not described again here.
Example 9
Based on the embodiment 1, the size of the cross-sectional area of the embedded steel 22 is larger than that of the connecting plate 13. The utility model discloses well pre-buried steel sheet 22's cross sectional area size is greater than connecting plate 13's cross sectional area size. In this embodiment, other undescribed contents are the same as those in the above embodiment, and are not described again here.
Example 10
Based on the above embodiment 1, the strength of the post-cast concrete 25 is greater than the strength of the concrete used for casting the column foundation 21. In this embodiment, the intensity of the post-cast concrete 25 of choosing for use is big, can further increase the stability that the trickle support post 1 is connected with the column foundation 2, and post-cast concrete 25 can also include that the metal suffers the corruption between column foundation 2 and the trickle support post 1 simultaneously. In this embodiment, other undescribed contents are the same as those in the above embodiment, and are not described again here.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.
Claims (10)
1. A high-order tower water spraying column comprises a water spraying supporting column and a column foundation and is characterized in that the water spraying supporting column is connected with the column foundation through an assembled column base, the water spraying supporting column comprises a steel reinforcement cage concrete column and a section steel concrete column arranged in the steel reinforcement cage concrete column, and the bottom of the water spraying supporting column is connected with a connecting plate through a steel structure at the bottom of the water spraying supporting column; the post foundation include with the pre-buried steel sheet that the connecting plate is connected adopts the post foundation seat that concrete placement becomes to and run through the embedded steel bar of post foundation seat, post foundation seat top is provided with pre-buried steel sheet, the post foundation seat evenly is provided with a plurality of embedded steel bars that run through post foundation seat top along the girth direction, exposes pouring has post-cast concrete around the embedded steel bar at post foundation seat top, post-cast concrete inwards extends to the trickle support column.
2. The overhead tower water sprinkling column according to claim 1, wherein the steel reinforcement cage concrete column comprises a steel reinforcement cage and concrete poured around the steel reinforcement cage, the steel reinforcement cage comprises a plurality of longitudinal steel bars evenly distributed in the periphery of the steel reinforcement concrete column in the circumferential direction, a plurality of annular transverse steel bars and a plurality of rectangular transverse steel bars are evenly arranged on the longitudinal steel bars, and the concrete poured around the steel reinforcement cage inwards extends to the steel reinforcement concrete column.
3. The overhead tower sprinkler column according to any one of claims 1-2, wherein the steel reinforced concrete column comprises a steel pipe and concrete poured inside the steel pipe.
4. The higher tower water sprinkling column as claimed in claim 3, wherein the wall of the steel pipe is provided with a plurality of uniformly arranged vent holes.
5. The overhead tower sprinkler column according to any one of claims 1-2, wherein the steel reinforced concrete column comprises a steel reinforced column and the concrete poured around the steel reinforced column extends outwardly to the steel reinforced concrete column.
6. The overhead tower sprinkling column according to claim 5, wherein the section steel column comprises a cross-shaped section steel and steel plates arranged on four end portions of the cross-shaped section steel, and the steel plates are perpendicular to the cross-shaped section.
7. The high tower water pouring column as claimed in claim 1, wherein the connecting plate is welded to the steel structure at the bottom of the water pouring support column by fillet welding.
8. The high-order tower water sprinkling column as claimed in claim 1, wherein a plurality of first bolt holes are uniformly formed in the connecting plate along the circumferential direction, second bolt holes corresponding to the first bolt holes in a one-to-one manner are formed in the embedded steel plate along the circumferential direction, the first bolt holes are connected with the second bolt holes through high-strength bolts, and the embedded steel plate is connected with the connecting plate at the connecting edge by fillet weld welding.
9. The overhead tower water sprinkling column as claimed in claim 1 or 8, wherein the size of the cross-sectional area of the embedded steel plate is larger than that of the connecting plate.
10. The higher tower pouring column as claimed in claim 1, wherein the post-cast concrete has a strength greater than the strength of the concrete used to cast the column foundation.
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| CN201920929230.4U CN210459269U (en) | 2019-06-19 | 2019-06-19 | High-order tower trickle post |
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| CN201920929230.4U CN210459269U (en) | 2019-06-19 | 2019-06-19 | High-order tower trickle post |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115306042A (en) * | 2022-08-17 | 2022-11-08 | 中建八局西南建设工程有限公司 | Steel column and existing structure connection structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115306042A (en) * | 2022-08-17 | 2022-11-08 | 中建八局西南建设工程有限公司 | Steel column and existing structure connection structure |
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