1, when the air duct and dust removal equipment, heating equipment and so on before connection, should be installed after the equipment, according to the actual mapping drawings for prefabrication and installation。
2, when Shandong ventilation pipe processing and fan connection, should add soft joint in the inlet and outlet, and its soft joint section size should be consistent with the fan inlet and outlet. Hose joint can generally use canvas, artificial leather and other materials, hose length should not be less than 200, tightness should be appropriate, flexible hose can buffer the vibration of the fan.
3, when the horizontal air duct height is above 4m, the installation personnel should fasten the seat belt. Scaffolding or movable scaffolding should be fixed on the springboard, the width of the springboard should comply with safety standards, the installation staff on the scaffolding should carry the tool bag, to prevent tools or electric drills and other things falling injury.
4, air duct installation, into and out of the open hole in the air duct should be prefabricated, if installed in the air duct on the open air, the interface should be tight.
5, the double boom support in the wind in place, should ensure that the cross arm flat, the boom is not reversed, double boom uniform force.
6, when conveying water containing condensate or larger moisture content, the horizontal pipeline should have a slope, and at the low point to connect the drain pipe。 The longitudinal joint should not be installed at the bottom of the air duct, and the joints at the bottom should be sealed。
7, the transmission of flammable and explosive gas steel plate air duct, in the air duct connecting flange should be installed across the wiring, and connected with the electrostatic grounding grid。
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