Ultra-large natural ventilation seawater cooling tower shell and construction method
A technology of natural ventilation and construction method, applied in industrial buildings, refrigeration plants, etc., can solve problems such as being difficult to withstand seawater salt spray corrosion, unsuitable for seawater cooling towers, etc., to save construction and maintenance costs, and reduce the difficulty and danger of high-altitude operations performance, saving maintenance costs
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Embodiment 1
[0048] A super-large natural draft seawater cooling tower shell, such as Figure 1-Figure 4 As shown, it includes an upper shell (1) and a lower shell (2), and the lower shell (2) is a reinforced concrete structure, including a support column (3) and a steel-concrete shell (4), and the upper shell The body (1) includes a steel structure (5) and a skin (6), the steel structure (5) is welded on the steel-concrete shell (4), the steel structure (5) is a double-layer reticulated shell steel truss, Wherein the grid size is 4m, the thickness of the reticulated shell is 5m, a plurality of fixed pieces (5-1) are arranged on the steel structure (5), and threaded holes (5-2) are provided on the fixed piece (5-1). ), the skin (6) includes a plurality of FRP assembly panels (6-1), and the FRP assembly panels (6-1) are fixed on the inside, outside and upper part of the steel structure (5) by bolts (17), and the steel structure (5) Enclosed in the cavity, the FRP assembly plate (6-1) inclu...
experiment example 1
[0052] The shell of Example 1 is applied to the construction of a super-large natural ventilation seawater cooling tower. The design parameters of the cooling tower are as follows: the tower height is 200m (0m at the top of the pool wall), the outlet diameter is 88.41m, the throat elevation is 142.0m, and the throat diameter is 85.0m , the height of the lower ring beam is 12.18m, the diameter of the lower ring beam is 136.0m, the diameter of the foundation is 152.54m, the depth of the pool is 2.5m, the minimum thickness of the tower is 0.24m, there are 48 columns in the meridional direction, the height of the columns is l4.68m, the inclination angle is 18°, and the water is sprayed Area about 14000m 2 , the volume of the tower is about 17000m 3 , the surface area of the tower is 60000m 2 , The design service life is 50 years.
[0053] The technical and economic analysis is as follows: the amount of reinforced concrete used to build the lower shell is about 12,000 tons, the...
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