A combination hoisting and installation method of widening platform for indirect air cooling system

Abstract

The invention discloses an assembly and lift-erecting method of an indirect air-cooling system stretching platforms. The method includes the steps of preparing before lifting; assembling stretching platforms of inter-joint units and stretching platforms of ex-joint units, and fixing slanting supports to lower portions of the stretching platforms of the inter-joint units; lifting the stretching platforms of the inter-joint units to an erection elevation, adjusting slant of the stretching platforms of the inter-joint units, and then welding the stretching platforms to tower body X-column embedded parts of an intercooling tower; adjusting the angle of the slanting supports with a lifting appliance, and welding the slanting supports to the tower body X-column embedded parts; in correspondence to the position between every two adjacent X-columns of an intercooling tower body, lifting the stretching platforms of the ex-joint units until lifting of the stretching platforms of the ex-joint units is complete; fixedly welding the stretching platforms of the adjacent inter-joint units to the stretching platforms of the ex-joint units. The ground assembly is easily operable, connecting is convenient, adjusting is convenient, danger coefficient is low, and safety is better guaranteed. The lifting cost is low, arrangement of little labor is required, and economic benefit is improved.

Description

technical field [0001] The invention relates to a combined hoisting and installation method of an indirect air cooling system widening platform. Background technique [0002] Since the introduction of indirect air cooling technology in 1993, due to its water-saving advantages, it has developed rapidly in arid and semi-arid areas. However, the installation workload of indirect air cooling equipment and pipeline combination is heavy, and the optimization of installation procedures and processes plays a very important role in improving installation quality, shortening installation period, and reducing construction investment. [0003] The first step in the combined installation of the indirect air cooling system is the combined lifting of the widening platform. When hoisting, first locate the radial beam spacing of the X-pillar internode unit and the manhole unit, and then assemble the ring beams, ring beams, and purlins. During hoisting, 50t and 25t truck cranes are used for ...

AI Technical Summary

Problems solved by technology

[0004] Since the hoisting of the widening platform and the oblique support is a high-altitude operation, it is difficult to adjust when the oblique support is hoisted, and it is difficult for the operators of the high-altitude cage to operate, and the risk factor increases, which reduces the hoisting efficiency of the widening platform, and at the same time adds a car crane. cost, high economic cost

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