Installing device and method for spiral air hoses in ultra high and large space truss
A technology of installation device and installation method, which is applied in the directions of space heating and ventilation details, lifting device, heating method, etc., can solve the problems of high danger, difficult leveling, low efficiency, etc., to ensure construction quality and construction safety. , The effect of saving construction period
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[0032] Example 1: Taking a convention and exhibition center to reach approximately 40m in total, the first floor height of the double-storey exhibition hall is 16m, and the clear height of the second floor is approximately 22m. The single-storey exhibition hall is a column-free space, and the roof of each exhibition hall is composed of 16 steel trusses. The maximum span of the roof single truss is 108m. Spiral ducts in the exhibition hall are mainly distributed in the roof steel truss structure. The upper level of the truss is the smoke and exhaust ducts, and the lower level is the air conditioning ducts. The air-conditioning air supply duct is a large-diameter double-layer spiral insulation duct, with a diameter of 800mm~2000mm in the truss; the smoke and exhaust duct is a large-diameter single-layer spiral duct with a diameter of 1000mm~1400mm in the truss. The expansion area of the spiral duct installed in the section truss reaches 80,000 m 2 .
[0033] Such as figure 1 As ...
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