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Large-diameter hyperbolic cooling tower cylinder wall construction method

A construction method and cooling tower technology, applied in the field of large-diameter hyperbolic cooling tower wall construction

Pending Publication Date: 2020-04-10
CHINA CONSTR SIXTH ENG BUREAU CIVILENG +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The structure disclosed in this patent is a cooling tower air inlet guide device, and does not involve the construction method of the cooling tower wall

Method used

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  • Large-diameter hyperbolic cooling tower cylinder wall construction method
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Embodiment Construction

[0027] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in detail:

[0028] A kind of large-diameter hyperbolic cooling tower tube wall construction method of the present invention as shown in accompanying drawing, comprises the following steps:

[0029] (1) Excavate the foundation pit of the cooling tower according to the drawings, lay a cushion on the top surface of the foundation pit of the cooling tower and pour a circular bottom plate 12 on the cushion, and then pour the ring foundation 5 in the direction of the outer circumference of the circular bottom 12 ;

[0030] (2) Install the construction elevator tower frame 9 along the vertical direction near the entrance of the tower in the cooling tower to be constructed and install the car 11 for up and down lifting on the construction elevator tower frame 9, in the construction elevator tower A construction platform is installed on the top of the frame and a hydraulic...

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Abstract

The invention discloses a large-diameter hyperbolic cooling tower cylinder wall construction method. The large-diameter hyperbolic cooling tower cylinder wall construction method comprises the following steps that a ring base is poured in the outer circumferential direction of a circular bottom plate of a cooling tower foundation pit, and a construction elevator tower frame, a lift car and a construction platform are mounted in a to-be-constructed cooling tower; herringbone columns inclined towards the central axis direction are constructed through a total station and a vertical alignment instrument which are placed in the center of the ring base, and the projection of the circle center of the circumference formed by the circle center connecting lines of the top faces of all the herringbone columns in the vertical direction coincides with the circle center of the bottom plate; the center point of the vertical alignment instrument coincides with the cross center of a disc-shaped receiving target; and a circle of lower ring beam is poured at the tops of the herringbone columns. Cylinder wall concrete of the cooling tower is poured on the lower ring beam in a segmented mode through abent frame till the height of the cylinder wall of the cooling tower is one tenth of the height of the cylinder wall of the cooling tower, and then cylinder wall concrete is poured in sequence in a staged mode through a suspension triangular frame and a formwork till the height of the cylinder wall of the cooling tower is one tenth of the height of the cylinder wall of the cooling tower. By adopting the large-diameter hyperbolic cooling tower cylinder wall construction method, accurate and high-quality construction of the whole cooling tower can be ensured.

Description

technical field [0001] The invention relates to a cooling tower construction method, in particular to a large-diameter hyperbolic cooling tower tube wall construction method. Background technique [0002] The cooling tower is one of the important supporting projects of the power plant. It has a large construction scope, many high-altitude operations, and high technical requirements. The cylinder wall is a large-diameter hyperbolic shell structure, and the project has a wide impact. The cylinder wall adopts the combination of multifunctional construction elevator and hydraulic jacking bridge, and cooperates with the method of hanging tripod turning over the construction method, which mainly solves the problems of horizontal and vertical transportation of materials and vertical transportation of manpower. [0003] The Chinese patent with the application number CN201910681517.4 discloses "a natural ventilation cooling tower air intake guide device". The cooling tower has a hype...

Claims

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Application Information

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IPC IPC(8): E04H5/12E04G21/00
CPCE04G21/00E04H5/12
Inventor 王丽梅张希强张振禹刘宏洋郭建东
Owner CHINA CONSTR SIXTH ENG BUREAU CIVILENG
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