Violent typhoon resistant self-adaptive steel structure cooling tower

Abstract

The invention relates to a violent typhoon resistant self-adaptive steel structure cooling tower. The cooling tower comprises a truss system, a double-curve enclosing plate system and a servo openingand closing system. Annular trusses and meridian trusses of the truss system are connected in a criss-cross mode. The truss system, as a force transfer structure of the overall steel structure coolingtower, has the functions of stiffening rings and meridian ribs and can improve the overall stability of a cooling tower tube and reduce the surface wind pressure of the tower tube. Enclosing plates of the double-curve enclosing plate system are mounted on the annular trusses through enclosing plate support assemblies. The servo opening and closing system is laid on the annular trusses. Wind and rain inductors are mounted on the annular truss on the top of the cooling tower tube. When typhoon rain exceeds the limiting value, the opening and closing posture of the double-curve enclosing platesis adjusted so that the enclosing plates can be opened when there is a violent typhoon and the steel structure cooling tower is in a halt state, the windward area of the cooling tower can be reduced,the wind load acting on the surface of the tower tube is greatly reduced, and the violent typhoon resistance of the steel structure cooling tower is improved.

Description

technical field [0001] The invention belongs to the technical field of cooling towers, and in particular relates to an adaptive steel structure cooling tower resistant to strong typhoons. Background technique [0002] Cooling towers are high-efficiency equipment designed to release waste heat from thermal power plants. In recent years, they have gradually developed towards high power, showing a trend of ultra-high and large, and the safety reserve of flexible towers has also gradually decreased. China has a long coastline and frequent typhoons. With the rapid development of the coastal economy, the increase in electricity consumption has also prompted the addition of cooling towers along the coast. The probability of cooling towers located within the typhoon's influence area suffering from excessive wind loads has also increased sharply; In order to improve the structural stability of the cooling tower, the Chinese patent application number 201620659993.8 discloses a cross t...

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Problems solved by technology

China has a long coastline and frequent typhoons. With the rapid development of the coastal economy, the increase in electricity consumption has also prompted the addition of cooling towers along the coast. The probability of cooling towers located within the typhoon's influence area suffering from excessive wind loads has also increased sharply; In order to improve the structural stability of the cooling tower, the Chinese patent application number 201620659993.8 discloses a cross truss type steel structure cooling tower. The tower adopts a hyperbolic or straight conical shape to ensure that the tower body is evenly stressed. , high structural stability and anti-typhoon and anti-seismic performance, and the adaptability of the tower curvature is good, but the huge windward area brought by the super-high trend of the cooling tower makes the cooling tower suffer from excessive wind load in the extremely strong typhoon environment , which further causes the problem of increased difficulty in the design of the cooling tower structure, which cannot be solved by the steel structure cooling tower of the above-mentioned cross truss type

[0003] The wind load acting on the surface of the cooling tower tube is determined by the wind pressure multiplied by the windward area. While the active control opening and closing system has been used in the fields of electric windows, it is mainly used to solve manpower problems and smart homes. Structural cooling towers have not yet been effectively applied, and the intelligent opening and closing technology of enclosure panels for steel structure cooling towers has detailed preliminary technical reserves and broad application prospects

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