CN210195381U - Assembled cooling tower - Google Patents
Assembled cooling tower Download PDFInfo
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- CN210195381U CN210195381U CN201920922200.0U CN201920922200U CN210195381U CN 210195381 U CN210195381 U CN 210195381U CN 201920922200 U CN201920922200 U CN 201920922200U CN 210195381 U CN210195381 U CN 210195381U
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Abstract
The utility model discloses an assembled cooling tower, including the tower basis, upper and lower ring beam and tower section of thick bamboo wall, the tower basis includes the cyclus, buttress and I type bearing diagonal, the cyclus cross section is the type of falling T, a plurality of buttresses of evenly distributed on the circumferencial direction are followed to the cyclus, the buttress upper end is provided with I type bearing diagonal of assembled, I type bearing diagonal upper end is provided with assembled lower ring beam, the lower ring beam upper end sets up assembled tower section of thick bamboo wall, assembled tower section of thick bamboo wall upper end is provided with assembled upper ring beam. The application provides a novel assembled cooling tower, the major component of cooling tower can adopt mill's prefabrication, on-the-spot installation, can effectively reduce concrete work volume, shortens construction cycle, reduces the construction degree of difficulty to can the effectual problem that exists among the above-mentioned prior art of solution.
Description
Technical Field
The utility model relates to an assembled natural draft cooling tower especially relates to a small-size assembled cooling tower who is applicable to little unit such as thermal power factory, biomass power plant, distributed energy, belongs to cooling tower technical field.
Background
The natural ventilation cooling tower is widely applied in the industrial field, in recent years, people pay more and more attention to environmental protection, biomass power plants, distributed energy sources and other small unit power plants are more and more widely applied, and the natural ventilation cooling tower with the advantages of energy conservation and environmental protection is also widely applied. Because the cooling water quantity of the small unit is small, the small cooling tower is generally arranged, and the water spraying area of the cooling tower is only 1000-3000 m2。
Natural draft cooling towers are generally comprised of a hyperbolic tower, diagonal braces, buttresses, and ring bases. The natural ventilation cooling tower is mainly of a reinforced concrete structure, and a small number of natural ventilation cooling towers are of steel structures. Most of the natural ventilation cooling towers adopt reinforced concrete cast-in-place structures due to the limitation of construction level, construction machines and tools and the like. The ring base generally adopts a rectangular section, and the concrete engineering quantity is large. Oblique support columns generally adopt herringbone columns, X-shaped columns and I support columns, and the two oblique support columns are complex three-dimensional oblique structures, so that the support columns and the base are complex in geometric dimension, the template engineering is difficult, accurate temporary support is required during construction to ensure connection with a shell, the engineering quantity is increased, the construction cost is high, the geometric relation of the I support columns is simple, the construction difficulty is not high, but the anti-seismic performance is poor, and the application in engineering is less. The tower barrel is of a high-rise thin-wall structure, construction is generally carried out in a layered formwork pouring mode, the quantity of concrete pouring and formwork engineering is large, a certain strength is required to be met after each section of concrete is poured to construct the next section of formwork, the construction period is long, the construction technical requirement is high, safety accidents can be caused if the construction is careless, and the accidents of the Touche cooling tower are caused by early formwork removal due to the fact that the strength of the concrete is not enough.
In order to reduce the cost of the cooling tower, shorten the construction period and reduce the construction difficulty, the cooling tower needs to be improved to meet the requirements of small cooling towers, so as to reduce the engineering quantity of reinforced concrete, reduce the investment and shorten the construction period.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is big to small-size natural draft cooling tower concrete engineering volume, construction cycle is long, and the high scheduling problem of construction technical requirement provides a novel assembled cooling tower, the principal component of cooling tower can adopt mill's prefabrication, field installation, and a tower section of thick bamboo adopts recoverable fiber reinforced composite, can effectively reduce concrete engineering volume, shortens construction cycle, reduces the construction degree of difficulty to can the effectual problem that exists among the above-mentioned prior art of solution.
The utility model adopts the technical scheme as follows:
the utility model provides an assembled cooling tower, includes the tower foundation, upper and lower ring beam and tower section of thick bamboo wall, the tower foundation includes the cyclus, buttress and I type oblique stay, the cyclus cross section is the type of falling T, a plurality of buttress of evenly distributed on the circumferencial direction are followed to the cyclus, the buttress upper end is provided with I type oblique stay of assembled, I type oblique stay upper end is provided with assembled lower ring beam, assembled lower ring beam upper end sets up assembled tower section of thick bamboo wall, assembled tower section of thick bamboo wall upper end is provided with assembled upper ring beam.
The utility model discloses a cyclic group cross section is the type of falling T, and this cyclic group can replace the effect of pond lateral wall on the one hand, reduces reinforced concrete engineering volume, and on the other hand can give full play to cyclic group reinforced concrete bearing capacity, satisfying foundation bearing capacity, cyclic group intensity and rigidity requirement, I type oblique brace and lower ring roof beam adopt the assembled structure, can realize the mill prefabrication, on-the-spot hoist and mount, and I type oblique brace geometric relation is simple, has reduced on-the-spot template engineering, has reduced the construction technology degree of difficulty, has shortened construction cycle; meanwhile, the wall of the tower barrel and the upper ring beam are assembled by adopting the wall plates, the self weight of the tower barrel is reduced, the load of a lower foundation is reduced, the sizes of the lower inclined strut and the ring base can be greatly reduced, and the overall anti-seismic performance of the cooling tower can be improved. On the other hand, the construction amount of concrete pouring and on-site template work is reduced, the cost of the cooling tower can be greatly reduced, the construction period is shortened, the construction difficulty is reduced, the potential safety hazard of construction is reduced, the construction period is shortened, and the construction efficiency is improved.
Preferably, the junction of the ring base and the buttress is provided with a first pre-buried steel plate, the first pre-buried steel plate is connected with the bottom of the I-shaped oblique strut, and the buttress is poured with rear concrete after the I-shaped oblique strut is installed and fixed.
With the preferred embodiment, the stability of connection between the i-type oblique pillar and the ring group can be further increased.
Preferably, the cross section of the I-shaped oblique strut comprises a rectangular part and an elliptical part enclosed by a rectangular short side and an elliptical arc, the rectangular short side is B, the long side is H, and the elliptical arc equation is x2/a2+y2/b 21, wherein a ═ B, B ═ 0.5B; the cross-sectional area of the oblique strut gradually increases from top to bottom.
By adopting the preferred scheme, the I-shaped oblique strut has simple geometric relationship, reduces the site template engineering and reduces the difficulty of the construction technology.
Preferably, the upper end of the I-shaped oblique strut is provided with a first connecting device, the lower end of the I-shaped oblique strut is provided with a second connecting device, the first connecting device is connected with the lower ring beam, and the second connecting device is connected with the buttress.
By adopting the preferred scheme, the upper tower cylinder and the lower foundation are tightly connected together to form a stressed whole, and the overall anti-seismic performance of the cooling tower is improved.
Preferably, the first connecting device comprises a first cross-shaped steel and a first steel plate, and the first cross-shaped steel and the first steel plate are connected through angle welding; the second connecting device comprises a second cross-shaped steel plate and a second steel plate, and the second cross-shaped steel plate is connected with the second steel plate through angle welding.
Preferably, a second embedded steel plate is arranged at the lower end of the lower ring beam and connected with the first steel plate; and a groove for installing the wall of the tower cylinder is formed in the upper end of the lower ring beam.
By adopting the preferred scheme, the lower ring beam is ensured to be connected with the I-shaped inclined strut in an emergency, and the overall anti-seismic performance of the cooling tower is improved.
Drawings
FIG. 1 is a schematic structural diagram of a fabricated cooling tower according to the present invention;
FIG. 2 is a cross-sectional view of a ring base;
FIG. 3 is a cross-sectional view of an I-shaped cross brace;
FIG. 4 is a cross-sectional view of the lower ring beam;
FIG. 5 is a cross-sectional view of the diagonal brace in connection with a buttress and a ring base;
fig. 6 is a cross-sectional view of the connection of the diagonal strut with the lower ring beam.
Wherein, the names corresponding to the reference numbers are:
1-ring base, 2-buttress, 3-I type oblique strut, 31-rectangular part, 32-elliptical part, 4-lower ring beam, 41-groove, 42-second embedded steel plate, 5-tower cylinder wall, 6-upper ring beam, 7-first embedded steel plate, 9-first connecting device, 91-first cross-shaped steel, 92-first steel plate, 10-second cross-shaped steel, 101-second cross-shaped steel and 102-second steel plate.
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
The utility model provides an assembled cooling tower, as shown in figure 1, figure 2, includes tower foundation, upper and lower ring beam and tower section of thick bamboo wall 5, tower foundation includes cyclus 1, buttress 2 and I type oblique stay 3, 1 cross section in cyclus is the type of falling T, a plurality of buttress 2 of cyclic 1 along the circumferencial direction upward evenly distributed, 2 upper end in the buttress is provided with I type oblique stay 3 of assembled, 3 upper end in the I type oblique stay are provided with assembled lower ring beam 4, 4 upper ends in the lower ring beam set up assembled tower section of thick bamboo wall 5, 5 upper ends in assembled tower section of thick bamboo wall are provided with assembled upper ring beam 4. The utility model discloses an assembled cooling tower has set gradually ring beam 6 from the top down, and tower section of thick bamboo wall 5, lower ring beam 4, oblique support 3, buttress 2 and cyclyl 1, cyclyl 1 cross section is the type of falling T, cyclyl 1 is cast-in-place reinforced concrete structure, carries out the segmentation construction of pouring, and cyclyl 1 that the cross section is the type of falling T can replace the effect of pond lateral wall on the one hand, reduces reinforced concrete engineering volume, and on the other hand can give full play to cyclyl reinforced concrete bearing capacity, under the prerequisite that satisfies foundation bearing capacity, cyclyl intensity and rigidity requirement, gets rid of the concrete that does not give full play to its effect, makes the cross-section obtain make full use of to reach and practice thrift reinforced concrete volume and reduce the temperature stress effect; the cyclic group 1 has a plurality of buttress 2 along circumferencial direction evenly distributed, buttress 2 upper portion is provided with I type oblique post of assembled 3, 3 upper ends of I type oblique post are provided with ring beam 4 under the assembled, and in this embodiment, the oblique post 3 and ring beam 4 all adopt the assembled structure to realize prefabricating, and on-the-spot hoist and mount reduce on-the-spot template engineering, have reduced the construction technology degree of difficulty, have shortened construction cycle. The upper end part of the lower ring beam 4 is provided with an assembly type tower barrel wall 5, and the upper end of the assembly type tower barrel wall 5 is provided with an assembly type upper ring beam 6. The tower section of thick bamboo wall 5 and the roof beam of fitting with a contraceptive ring 6 in this embodiment can realize prefabricating, have reduced concrete placement and on-the-spot template engineering volume, but the cooling tower cost that significantly reduces shortens construction cycle, reduces the construction degree of difficulty, has improved the efficiency of construction.
Example 2
Based on the embodiment 1, as shown in fig. 5, a first embedded steel plate 7 is arranged at the joint of the ring group 1 and the buttress 2, the first embedded steel plate 7 is connected with the bottom of the i-shaped oblique strut 3, and post-cast concrete after the i-shaped oblique strut 3 is installed and fixed is poured on the buttress 2. In this embodiment, the bottom of the i-shaped oblique pillar 3 is connected with the first embedded steel plate 7 at the joint of the ring group 1 and the buttress 2, which means that the i-shaped oblique pillar 3 goes deep into the bottom of the buttress 2, and after the i-shaped oblique pillar 3 is installed and fixed, the post-cast concrete is poured on the buttress 2, so that on one hand, the accurate positioning of the i-shaped oblique pillar 3 can be ensured, and on the other hand, the stability of the connection between the i-shaped oblique pillar 3 and the ring group 1 can be ensured. In addition, the strength of the post-cast concrete of the present application is greater than that of the concrete cast in the ring group 1, and the stability of the connection of the i-type oblique pillar 3 and the ring group 1 can be further increased. In the embodiments, other undescribed contents are the same as those in the above embodiments, and are not described again here.
Example 3
Based on the above embodiment 1 or 2, as shown in fig. 3, the cross section of the i-shaped oblique strut 3 includes a rectangular portion 31 and an elliptical portion 32 surrounded by rectangular short sides and elliptical arcs, where the rectangular short side is B and the rectangular long side is H, and the elliptical arc equation is x2/a2+y2/b 21, wherein a ═ B, B ═ 0.5B; the cross section area of the I-shaped oblique strut gradually increases from top to bottom. The utility model provides a 3 geometrical structure of I type oblique braces are simple, have reduced on-the-spot template engineering, have reduced the construction technology degree of difficulty. The cross section of the I-shaped oblique strut 3 is selected from a rectangular part 31 and an elliptical part 32 formed by the enclosed rectangular short edge and an elliptical arc, the cross section area of the oblique strut gradually increases from top to bottom, so that the outer surface of the I-shaped oblique strut 3 is an arc surface, and smooth airflow is ensured; and in this application the elliptic arc equation is specified as x2/a2+y2/b2The area of a part enclosed by the short sides of the rectangle and the elliptic arc can be minimized, thereby saving the usage of the reinforced concrete. In the present embodiment, the structure of the i-type diagonal strut 3 is not exclusive. And the elliptical arc equation is not unique. In the embodiments, other undescribed contents are the same as those in the above embodiments, and are not described again here.
Example 4
Based on the above embodiment 3, as shown in fig. 3, 5, and 6, the first connecting means 9 is provided at the upper end of the i-shaped oblique strut 3, the second connecting means 10 is provided at the lower end of the i-shaped oblique strut 3, the first connecting means 9 is connected to the lower ring beam 6, and the second connecting means 10 is connected to the buttress 2. In this embodiment, the first connecting device 9 arranged at the upper end of the i-shaped oblique strut 3 is connected with the lower ring beam 6, and the second connecting device 10 arranged at the lower end is connected with the buttress 2, in this embodiment, the second connecting device 10 can be connected with the first embedded steel plate 7 arranged at the joint of the buttress 2 and the ring group 1, so that the close connection between the i-shaped oblique strut 3 and the lower ring group 1 can be ensured, the whole stress is formed, and the whole anti-seismic performance of the cooling tower is improved. In the embodiments, other undescribed contents are the same as those in the above embodiments, and are not described again here.
Example 5
Based on the above embodiment 4, as shown in fig. 3, the first connecting device 9 includes the first cross-shaped steel 91 and the first steel plate 92, and the first cross-shaped steel 91 and the first steel plate 92 are connected by fillet welding; the second connecting device 10 comprises a second cross-shaped steel section 101 and a second steel plate 102, and the second cross-shaped steel section 101 is connected with the second steel plate 102 through angle welding. The embodiment is a concrete structure of a first connecting device 9 at the upper end and a second connecting device 10 at the lower end of an I-shaped oblique strut 3, wherein the first connecting device 9 comprises a first cross-shaped steel 91 and a first steel plate 92, the first cross-shaped steel 91 is connected with the first steel plate 92 through angle welding, and the second connecting device 10 is consistent with the first connecting device 9 in structure and comprises a second cross-shaped steel 101 and a second steel plate 102 which are connected through angle welding. In the embodiments, other undescribed contents are the same as those in the above embodiments, and are not described again here.
Example 6
Based on the above embodiment 5, as shown in fig. 4, a second embedded steel plate 42 is disposed at the lower end of the lower ring beam 4, and the second embedded steel plate 42 is connected to the first steel plate 92; and the upper end of the lower ring beam is provided with a groove 41 for mounting the tower cylinder wall 5. In this embodiment, the lower ring beam 4 is provided with the first steel plate 92 connected with the second embedded steel plate 42 in the connecting device of the i-shaped oblique supporting column 3, so that the tightness between the lower ring beam 4 and the i-shaped oblique supporting column 3 can be ensured, and the overall anti-seismic performance of the cooling tower can be improved. At the same time, the groove 41 at the upper end of the lower ring beam 4 is used for installing the tower cylinder wall 5. In the embodiments, other undescribed contents are the same as those in the above embodiments, and are not described again here.
Example 7
Based on above-mentioned embodiment 1, go up 6 outer surfaces of ring beam and set up maintenance platform 631 along the circumferencial direction, maintenance platform 631 goes up evenly distributed has a plurality of access holes. The maintenance platform 631 surrounds along the outer surface of the upper ring beam, and a plurality of maintenance holes are distributed on the maintenance platform 631, so that the maintenance of the upper ring beam 6 and the tower barrel wall 5 is facilitated. In the embodiments, other undescribed contents are the same as those in the above embodiments, 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 (7)
1. The utility model provides an assembled cooling tower, includes the tower foundation, goes up the gird, lower gird and tower section of thick bamboo wall, the tower foundation includes the cyclus, buttress and I type oblique brace, its characterized in that, the cyclus cross section is the type of falling T, a plurality of buttresses of evenly distributed on the circumferencial direction are followed to the cyclus, the buttress upper end is provided with I type oblique brace of assembled, I type oblique brace upper end is provided with assembled gird down, the gird upper end sets up assembled tower section of thick bamboo wall down, assembled tower section of thick bamboo wall upper end is provided with assembled upper gird.
2. The assembly type cooling tower as claimed in claim 1, wherein a first pre-buried steel plate is arranged at a joint of the ring base and the buttress, the first pre-buried steel plate is connected with the bottom of the I-shaped oblique strut, and rear concrete after the I-shaped oblique strut is installed and fixed is poured on the buttress.
3. A fabricated cooling tower according to claim 1 or 2, wherein the i-type diagonal strut cross-section comprises a rectangular portion and an elliptical portion bounded by a rectangular short side and an elliptical arc, the rectangular short side being B and the long side being H, the elliptical arc equation being x2/a2+y2/b21, wherein a ═ B, B ═ 0.5B; the cross-sectional area of the oblique strut gradually increases from top to bottom.
4. A fabricated cooling tower according to claim 3, wherein said i-type diagonal strut is provided with first connecting means at an upper end thereof and second connecting means at a lower end thereof, said first connecting means being connected to said lower ring beam, said second connecting means being connected to said buttress.
5. A fabricated cooling tower according to claim 4, wherein the first connecting means comprises a first cross-shaped steel and a first steel plate, the first cross-shaped steel and the first steel plate being connected by fillet welding; the second connecting device comprises a second cross-shaped steel plate and a second steel plate, and the second cross-shaped steel plate is connected with the second steel plate through angle welding.
6. The assembly type cooling tower as claimed in claim 5, wherein a second embedded steel plate is arranged at the lower end of the lower ring beam and connected with the first steel plate; and a groove for installing the wall of the tower cylinder is formed in the upper end of the lower ring beam.
7. The assembly type cooling tower of claim 1, wherein the outer surface of the upper ring beam is provided with an inspection platform along the circumferential direction, and a plurality of inspection holes are uniformly distributed on the inspection platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920922200.0U CN210195381U (en) | 2019-06-19 | 2019-06-19 | Assembled cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920922200.0U CN210195381U (en) | 2019-06-19 | 2019-06-19 | Assembled cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210195381U true CN210195381U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920922200.0U Active CN210195381U (en) | 2019-06-19 | 2019-06-19 | Assembled cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210195381U (en) |
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2019
- 2019-06-19 CN CN201920922200.0U patent/CN210195381U/en active Active
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