CN108613567B - Cooling tower body with natural ventilation - Google Patents
Cooling tower body with natural ventilation Download PDFInfo
- Publication number
- CN108613567B CN108613567B CN201810612658.6A CN201810612658A CN108613567B CN 108613567 B CN108613567 B CN 108613567B CN 201810612658 A CN201810612658 A CN 201810612658A CN 108613567 B CN108613567 B CN 108613567B
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- Prior art keywords
- cooling tower
- steel
- ring beam
- concrete
- tower body
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- 238000001816 cooling Methods 0.000 title claims abstract description 64
- 238000009423 ventilation Methods 0.000 title claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 66
- 239000010959 steel Substances 0.000 claims abstract description 66
- 239000004567 concrete Substances 0.000 claims abstract description 47
- 230000007797 corrosion Effects 0.000 claims abstract description 10
- 238000005260 corrosion Methods 0.000 claims abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims 1
- 239000003365 glass fiber Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 3
- 239000011152 fibreglass Substances 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Building Environments (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to a naturally ventilated cooling tower body which is characterized by mainly comprising a steel structure part and a concrete structure part, wherein the steel structure part is formed by a steel tower cylinder on the concrete structure, the concrete structure part comprises a connecting ring beam and a supporting column, and the steel tower cylinder is connected with the connecting ring beam of the concrete part. The inner side of the steel tower cylinder is attached with an aluminum plate or a glass fiber reinforced plastic skin. The invention has the advantages of low cost, short construction period and good shock resistance of the tower body with the all-steel structure, has the characteristic of good corrosion resistance of the tower body with the concrete structure, and is suitable for wet cooling towers.
Description
Technical Field
The invention relates to a naturally ventilated cooling tower body, which is used for a wet cooling tower of a cooling system of a thermal power plant or a similar circulating water cooling system.
Background
In the thermal power generation process, a large amount of heat is taken away by the circulating water and discharged through the cooling tower. In a wet cooling tower, a large amount of circulating water is sprayed on a filler, the water and air undergo mass transfer and heat transfer exchange, the circulating water transfers heat to the air, and the air forms buoyancy after the humidity and the temperature rise, so that convection is generated to enable the air to flow in the cooling tower.
Common wet cooling towers are of an all-concrete structure, but the cooling towers of an all-steel structure have the advantages of low cost, short construction period, good earthquake resistance and the like, and are also put into practical engineering application.
The technical scheme of the cooling tower body with the all-steel structure in the prior art is as follows: the tower body main structure adopts welded steel structure, and the appearance of tower body main structure is upper portion cylindricality, lower part round platform bodily form, and the tower body belongs to individual layer triangular mesh structure, has set up multichannel level strengthening ring in order to strengthen the rigidity of tower body outside upper portion cylindricality main structure, and the inboard of tower body main structure adheres to the skin that anticorrosive performance is good (aluminium or glass steel material), and the skin not only plays sealed effect, also plays high humid air and main structure (steel member) isolation effect, reduces in the tower high humid air and produces the corruption to tower body steel structure. The main structure of the cooling tower with the other all-steel structure is hyperbolic, and a double-layer grid structure is adopted.
The cooling tower body with the all-steel structure has the following defects: the circulating water in the water spraying part at the lower part of the tower body can seep out from the pores or gaps of the skin to contact with the steel structural member under the influence of the circulating water which is sprayed uninterruptedly in the tower; in addition, the sprayed water drops (or mist) drift under the action of wind, and the air inlet at the lower part of the tower body wets steel structural members (supporting columns); the circulating water has higher salt content and stronger corrosiveness, and once the circulating water contacts the steel structural member, the circulating water can cause corrosion, so that the system is subjected to more shutdown maintenance, and the normal operation of the cooling tower is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the cooling tower body with the all-steel structure, and provides the naturally ventilated cooling tower body with good corrosion resistance and the advantages of the cooling tower body with the all-steel structure.
The purpose of the invention is realized in the following way: a naturally ventilated cooling tower body consists of a steel structure part and a concrete structure part, wherein the steel structure part is formed by arranging a steel tower cylinder on the upper part of the cooling tower body, the concrete structure part comprises a connecting ring beam and a supporting column on the lower part of the cooling tower body, the steel tower cylinder is connected with the connecting ring beam, and a supporting column is connected with an annular foundation below the cooling tower body.
The steel tower cylinder consists of a skin, a cylindrical main structure, a circular truncated cone main structure and a reinforcing ring, wherein the cylindrical main structure is positioned on the circular truncated cone main structure, the skin is attached to the inner sides of the cylindrical main structure and the circular truncated cone main structure, and the reinforcing ring is positioned on the outer side of the cylindrical main structure.
Alternatively, the steel tower is composed of a skin and a hyperbolic main structure, and the skin is attached to the inner side of the hyperbolic main structure.
The concrete structure part consists of a connecting ring beam and a supporting column, wherein the connecting ring beam is arranged at the top of the supporting column and is connected with the supporting column.
Or the concrete structure part consists of a connecting ring beam, a concrete tower barrel, a supporting column ring beam and a supporting column, wherein the connecting ring beam is arranged on the concrete tower barrel and is connected with the concrete tower barrel, the concrete tower barrel is arranged on the supporting column ring beam and is connected with the supporting column ring beam, and the supporting column ring beam is arranged on the supporting column top and is connected with the supporting column.
The skin material is aluminum or glass fiber reinforced plastic.
The invention relates to a naturally ventilated cooling tower body, which has the main advantages that: the reinforced concrete structure is adopted at the position where the lower part of the cooling tower body possibly contacts with circulating water, so that the cooling tower has the advantage of good corrosion resistance, and the steel tower cylinder with a steel structure is adopted at the upper part, so that the cooling tower has the characteristics of light weight, low cost, good shock resistance and quick construction.
Drawings
FIG. 1 is a sectional view of a cooling tower according to example 1 of the present invention.
Fig. 2 is a cross-sectional view of a steel tower according to example 1 of the present invention.
FIG. 3 is a cross-sectional view of a cooling tower according to example 2 of the present invention.
FIG. 4 is a cross-sectional view of a cooling tower according to example 3 of the present invention.
Fig. 5 is a cross-sectional view of a steel tower according to example 3 of the present invention.
FIG. 6 is a cross-sectional view of a cooling tower according to example 4 of the present invention.
In the figure: the concrete column comprises a concrete structure part 1, supporting columns 1-1, connecting ring beams 1-2, concrete tower cylinders 1-3, supporting column ring beams 1-4, a steel structure part (or steel tower cylinder) 2, a hyperbolic main structure 2-1, a skin 2-2, a cylindrical main structure 2-3, a truncated cone main structure 2-4, reinforcing rings 2-5 and an annular foundation 3.
Detailed Description
Example 1
Referring to fig. 1, embodiment 1 of the present invention is a naturally ventilated cooling tower body composed of a steel structure portion 2 and a concrete structure portion 1; the steel structure part 2 is a steel tower cylinder which is positioned at the upper part of the cooling tower body, the steel tower cylinder 2 consists of a skin 2-2, a cylindrical main structure 2-3, a truncated cone-shaped main structure 2-4 and a reinforcing ring 2-5, and the cylindrical main structure 2-3 is positioned above the truncated cone-shaped main structure 2-4; the concrete structure part 1 comprises a connecting ring beam 1-2 and a supporting column 1-1, wherein the connecting ring beam 1-2 is positioned at the lower part of the cooling tower body, and the top of the supporting column 1-1 is directly connected with the supporting column 1-1; the main structure 2-4 of the steel tower cylinder 2 is connected with the connecting ring beam 1-2 of the concrete structure part 1, and the supporting column 1-1 is connected with the annular foundation 3 at the bottom of the cooling tower.
See fig. 2. FIG. 2 is a cross-sectional view of a steel tower 2, the cross-sectional position being on a cylindrical main structure 2-3; as shown, the skin 2-2 is attached to the inside of the cylindrical main structure 2-3 and the stiffener rings 2-5 are provided on the outside of the cylindrical main structure 2-3. The steel tower 2 adopts a single-layer triangle grid structure system, and the steel member is a lattice member. Because the gas flowing in the cooling tower body is high-temperature high-humidity air, condensation is easy to generate to cause corrosion after contacting the inner skin 2-2 of the tower body, the skin 2-2 is made of a material with excellent corrosion resistance, and an aluminum plate or a glass fiber reinforced plastic plate is selected in implementation.
Example 2
Referring to fig. 3, a cooling tower body for natural ventilation according to embodiment 2 of the present invention is composed of a steel structure portion 2 and a concrete structure portion 1, wherein the steel structure portion 2 is a steel tower cylinder located at the upper portion of the cooling tower body, the constitution of the steel tower cylinder 2 is the same as that of embodiment 1, the concrete structure portion 1 includes a connection ring beam 1-2 and a support column 1-1 located at the lower portion of the cooling tower body, the steel tower cylinder 2 is connected with the connection ring beam 1-2, and the support column 1-1 is connected with an annular foundation 3 under the cooling tower body.
Unlike example 1, concrete structure portion 1 also adds support column ring beams 1-4 and concrete towers 1-3. The connecting ring beam 1-2 is arranged above the concrete tower cylinder 1-3 and is connected with the concrete tower cylinder 1-3, the concrete tower cylinder 1-3 is arranged on the supporting column ring beam 1-4 and is connected with the supporting column ring beam 1-4, and the supporting column ring beam 1-4 is arranged on the top of the supporting column 1-1 and is connected with the supporting column 1-1. The concrete tower 1-3 can be directly contacted with cooling tower filler and spray water, the corrosion resistance is better, the height of the connecting ring beam 1-2 is higher than that of the cooling tower spray pipe and the water remover, so that no liquid water is arranged on the connecting ring beam 1-2, and the problem of material corrosion caused by exudation of circulating water to steel structural members contacted with the steel tower 2 can be avoided.
Other portions of example 2 are the same as those of example 1.
Example 3
Referring to fig. 4, fig. 4 is a sectional view (vertical) of the cooling tower body of example 3. Embodiment 3A cooling tower body with natural ventilation is composed of a steel structure part 2 and a concrete structure part 1, wherein the steel structure part 2 is formed by arranging a steel tower cylinder on the upper part of the cooling tower body, the steel tower cylinder 2 is composed of a hyperbolic main structure 2-1 and a skin 2-2, the concrete structure part 1 comprises a connecting ring beam 1-2 and a supporting column 1-1 which are arranged on the lower part of the cooling tower body, the hyperbolic main structure 2-1 of the steel tower cylinder 2 is connected with the connecting ring beam 1-2 of the concrete structure part 1, and the supporting column 1-1 is connected with an annular foundation 3 at the bottom of the cooling tower.
Unlike example 1, the steel tower 2 has a hyperbolic main structure. Referring to fig. 5, the hyperbolic main structure 2-1 is a double-layer grid structure, connecting stay bars are arranged between the two layers of grid structures, and the skin 2-2 is attached to the inner side of the inner layer grid structure of the hyperbolic main structure 2-1.
The concrete structure part 1 is the same as in example 1.
Example 4
Referring to fig. 6, a cross-sectional view of the cooling tower of example 4. The embodiment 4 of the invention relates to a naturally ventilated cooling tower body, which consists of a steel structure part 2 and a concrete structure part 1, wherein the steel structure part 2 is formed by arranging a steel tower cylinder at the upper part of the cooling tower body, the concrete structure part 1 comprises a connecting ring beam 1-2 and a supporting column 1-1 at the lower part of the cooling tower body, the steel tower cylinder 2 is connected with the connecting ring beam 1-2, and the supporting column 1-1 is connected with an annular foundation 3 below the cooling tower body.
The steel structure part 2 is the same as that of the embodiment 3, namely, the steel tower 2 consists of a hyperbolic main structure 2-1 and a skin; the concrete structure portion 1 is the same as in example 2, with the addition of the support column ring beams 1-4 and the concrete tower 1-3 more than in example 1.
Claims (5)
1. The natural ventilation cooling tower body is characterized by comprising a steel structure part (2) and a concrete structure part (1), wherein the steel structure part (2) is a steel tower cylinder and is positioned at the upper part of the cooling tower body; the concrete structure part (1) comprises a connecting ring beam (1-2) and a supporting column (1-1), the concrete structure part (1) is positioned at the lower part of the cooling tower body, the steel tower cylinder (2) is connected with the connecting ring beam (1-2), and the supporting column (1-1) is connected with an annular foundation (3) below the cooling tower body;
the concrete structure part is positioned at the contact position of the lower part of the cooling tower body and the circulating water;
the concrete structure part (1) is further provided with a support column ring beam (1-4) and a concrete tower barrel (1-3), the connecting ring beam (1-2) is arranged above the concrete tower barrel (1-3) and is connected with the concrete tower barrel (1-3), the concrete tower barrel (1-3) is arranged on the support column ring beam (1-4) and is connected with the support column ring beam (1-4), the support column ring beam (1-4) is arranged on the top of the support column (1-1) and is connected with the support column (1-1), the concrete tower barrel (1-3) can be directly contacted with cooling tower filler and spray water, the corrosion resistance is better, the height of the connecting ring beam (1-2) is higher than that of a cooling tower spray pipe and a water eliminator, liquid water is not arranged on the connecting ring beam (1-2), and the problem of material corrosion caused by the exudation of circulating water to be contacted with a steel structure member of the steel tower barrel (2) can be avoided.
2. A naturally ventilated cooling tower according to claim 1, characterized in that the steel tower (2) comprises a skin (2-2), a cylindrical main structure (2-3), a frustoconical main structure (2-4) and a stiffening ring (2-5); the cylindrical main structure (2-3) is positioned on the circular truncated cone-shaped main structure (2-4), the skin (2-2) is attached to the inner sides of the cylindrical main structure (2-3) and the circular truncated cone-shaped main structure (2-4), and the reinforcing ring (2-5) is arranged on the outer side of the cylindrical main structure (2-3).
3. A naturally ventilated cooling tower according to claim 1, characterized in that the steel tower (2) consists of a skin (2-2) and a hyperbolic primary structure (2-1), the skin being attached inside the hyperbolic primary structure (2-1).
4. A naturally ventilated cooling tower according to claim 1 or 2 or 3, wherein said concrete structure portion (1) comprises a connection ring beam (1-2) and a support column (1-1), said connection ring beam (1-2) being located at the top of the support column (1-1) and being directly connected to the support column (1-1).
5. A naturally occurring cooling tower according to claim 2, wherein the skin (2-2) is made of aluminium sheet or glass fibre reinforced plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810612658.6A CN108613567B (en) | 2018-06-14 | 2018-06-14 | Cooling tower body with natural ventilation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810612658.6A CN108613567B (en) | 2018-06-14 | 2018-06-14 | Cooling tower body with natural ventilation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108613567A CN108613567A (en) | 2018-10-02 |
| CN108613567B true CN108613567B (en) | 2024-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810612658.6A Active CN108613567B (en) | 2018-06-14 | 2018-06-14 | Cooling tower body with natural ventilation |
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| Country | Link |
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| CN (1) | CN108613567B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250499B (en) * | 2021-05-11 | 2023-01-10 | 自然资源部天津海水淡化与综合利用研究所 | Ultra-large natural ventilation seawater cooling tower shell and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204227945U (en) * | 2014-10-14 | 2015-03-25 | 山西晋能艾斯特空冷设备制造有限公司 | Round type cooling tower on a kind of below with anti-freezing structure |
| CN204359161U (en) * | 2014-11-28 | 2015-05-27 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of cooling stack with horizontal adapter ring girder construction |
| CN205276953U (en) * | 2015-12-28 | 2016-06-01 | 中国能源建设集团山西省电力勘测设计院有限公司 | Large -scale indirect cooling tower of steel construction |
| 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 |
| FR3038036A1 (en) * | 2015-06-25 | 2016-12-30 | Marius Diver | REFRIGERANT OF A NUCLEAR OR THERMAL CONTROLLED PLANT, WHOSE STRUCTURE IS MODIFIED TO RECEIVE A SOLAR CHIMNEY |
| CN206917353U (en) * | 2017-07-11 | 2018-01-23 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of cooling stack concrete filled steel tube inclined strut structure |
| CN208487982U (en) * | 2018-06-14 | 2019-02-12 | 双良节能系统股份有限公司 | A kind of cooling column body of gravity-flow ventilation |
-
2018
- 2018-06-14 CN CN201810612658.6A patent/CN108613567B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204227945U (en) * | 2014-10-14 | 2015-03-25 | 山西晋能艾斯特空冷设备制造有限公司 | Round type cooling tower on a kind of below with anti-freezing structure |
| CN204359161U (en) * | 2014-11-28 | 2015-05-27 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of cooling stack with horizontal adapter ring girder construction |
| FR3038036A1 (en) * | 2015-06-25 | 2016-12-30 | Marius Diver | REFRIGERANT OF A NUCLEAR OR THERMAL CONTROLLED PLANT, WHOSE STRUCTURE IS MODIFIED TO RECEIVE A SOLAR CHIMNEY |
| CN205276953U (en) * | 2015-12-28 | 2016-06-01 | 中国能源建设集团山西省电力勘测设计院有限公司 | Large -scale indirect cooling tower of steel construction |
| 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 |
| CN206917353U (en) * | 2017-07-11 | 2018-01-23 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of cooling stack concrete filled steel tube inclined strut structure |
| CN208487982U (en) * | 2018-06-14 | 2019-02-12 | 双良节能系统股份有限公司 | A kind of cooling column body of gravity-flow ventilation |
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| Publication number | Publication date |
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| CN108613567A (en) | 2018-10-02 |
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Effective date of registration: 20200609 Address after: 214444 No.9 Shuangliang Road, Ligang street, Jiangyin City, Wuxi City, Jiangsu Province Applicant after: Jiangsu Shuangliang Cooling System Co.,Ltd. Address before: 214444 Li Gang Xili Road, Lingang New Town, Jiangyin, Wuxi, Jiangsu, 88 Applicant before: SHUANGLIANG ECO-ENERGY SYSTEMS Co.,Ltd. |
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