Adaptive Cooling Tower Hyperbolic Enclosure Plate Wind Load Reduction
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Solution Overview
Problem
Existing cooling towers face challenges in resisting severe typhoons due to increased wind loads, which are not adequately addressed by traditional steel structure designs, particularly the crossed truss pattern, leading to instability and design complexities.
Innovation Solution
An adaptive steel structure cooling tower featuring a truss system with a hyperbolic enclosure plate system and a servo opening-closing system, where the hyperbolic enclosure plates can rotate to adjust the windward area in response to wind pressure and rain intensity, reducing wind loads through active control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the cooling tower adopts an ultra-high size to increase power production proportion, then the cooling efficiency and power production capacity are improved, but the windward area increases causing vulnerability to excessive wind loads under severe typhoon environment
Solution Approach 1:
The patent applies a dynamic opening-closing system that allows the cooling tower to actively adjust its windward area in response to typhoon conditions. The closure plates can rotate between opening and closing states, transforming the static structure into a dynamic system that adapts to external wind loads, thereby reducing the harmful effect of wind pressure on ultra-high towers.
2Stability of the object's composition
If a steel structure with crossed truss pattern is adopted to improve structural stability, then the tower stability and anti-typhoon performance are enhanced, but the windward area remains large causing continued vulnerability to excessive wind loads
Solution Approach 1:
The patent combines the stable crossed truss steel structure with a dynamic opening-closing system. The closure plates mounted on the truss structure can actively rotate to reduce windward area during typhoons, allowing the structure to maintain stability while dynamically reducing wind load exposure.
Solution Approach 2:
The patent changes the effective windward area parameter by rotating the closure plates between opening and closing states. This parameter change allows the tower to maintain structural stability through the truss pattern while reducing the wind load parameter during severe weather conditions.
3Stability of the object's composition
If the hyperbolic enclosure plate system is mounted on the truss system to provide aerodynamic shape, then the aerodynamic performance is improved, but the device complexity increases due to the servo opening-closing system
Solution Approach 1:
The patent integrates the servo opening-closing system with the hyperbolic enclosure plate structure, creating a dynamic aerodynamic surface that can actively adjust its configuration. The closure plates are mounted on the truss system and can rotate to optimize aerodynamic performance while reducing wind load, accepting increased device complexity as necessary for improved aerodynamic stability.
Solution Approach 2:
The patent employs a control system that monitors wind conditions and automatically adjusts the closure plate positions accordingly. This feedback mechanism manages the device complexity by automating the adjustment process, allowing the hyperbolic enclosure plate system to maintain optimal aerodynamic performance without requiring manual intervention.
Data Source
AI summary
The present invention provides a steel structure cooling tower, including a truss system, a hyperbolic enclosure plate system and an opening-closing system. Hoop trusses and meridional trusses are connected crisscross to form a force transfer structure of the steel structure cooling tower, thereby improving the overall stability of a tower body of the cooling tower and reducing the wind pressure on the tower body. An enclosure plate is mounted on the hoop truss by an enclosure plate bracket assembly, the opening-closing system is laid on the hoop truss, and a wind and rain sensor is installed on a hoop truss on the top of the tower body of the cooling tower. When typhoon rain exceeds a limiting value, an opening-closing posture of the hyperbolic enclosure plate is adjusted, so that the steel structure cooling tower can open the enclosure plate to reduce a wind load acting on the tower body.