Clean workshop purification air conditioning system air duct
Clean workshop purification air conditioning system air duct
Cleaning fluid should be used to remove oil and dust on the surface of the plate before processing the air duct in the clean workshop. The cleaning fluid should be a neutral detergent that does not damage the surface of the plate, does not produce dust after drying, and is harmless to the human body; the air duct should be reduced Longitudinal seams, and no horizontal seams; the bite of the air duct...
Text label: air conditioning system in clean pharmaceutical cleanroom, air duct installation in clean workshop, clean workshop engineering
Clean workshop purification air conditioning system air duct
Cleaning fluid should be used to remove oil and dust on the surface of the plate before processing the air duct in the clean workshop. The cleaning fluid should be a neutral detergent that does not damage the surface of the plate, does not produce dust after drying, and is harmless to the human body; the air duct should be reduced Longitudinal seams, and no horizontal seams; the bite seams, riveted seams and four-corner gaps of flange flanging of air ducts should be sealed with sealant or other sealing measures according to the requirements of design and cleanliness level. The sealing surface of the plate joint should be set on the positive pressure side of the air duct wall; the rivet spacing of the air duct flange of the purification air-conditioning system should be less than 100mm, and the air duct connecting bolts, nuts, washers and rivets should be galvanized or other anti-corrosion measures. Blind rivets shall not be used; reinforcement frames or reinforcement ribs shall not be set in the air duct; the connection methods of S-shaped inserts, C-shaped right-angle inserts and vertical joint angle inserts shall not be used for the air duct.
The thin steel plate flanged air duct should be rolled with reinforcing ribs. The protruding part of the reinforcing ribs should be located on the outer surface of the air duct. The arrangement interval should be uniform, and the plate surface should not have obvious deformation; the flange strength of the air duct should be lower than When the strength is specified, the inner support of the pipe and the outer reinforcement frame can be used for reinforcement. The distance between the reinforcement and one end of the air duct connecting flange should not be greater than 250mm; Special gaskets are set at the stress surface of the air duct. When using the inner support of the pipe sleeve, the length should be equal to the length of the side of the air duct; the height of the outer reinforcement profile should not be greater than the height of the air duct flange, the interval should be uniform and symmetrical, and the connection with the air duct should be Firm, the spacing of bolts or riveting points should not be greater than 220mm, and the four corners of the outer reinforcement frame should be connected as one; Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for clean workshops and purification projects.
For air duct processing and construction, when the angle steel with the same specification as the flange or the flange with the same strength is used for reinforcement, it can be installed in equal parts; when the flange with a lower strength than the angle steel flange is used for reinforcement, the outer reinforcement frame shall be separated from the wind. The distance between the pipe end faces should not be greater than 250mm; the single bite seam of the high-pressure system air duct should have reinforcement or reinforcement measures to prevent the bite seam from expanding; It should be firm, and the riveting spacing should not be greater than 220mm; when the rectangular air duct of aluminum plate and stainless steel plate is reinforced with carbon steel material, it should be treated with anti-corrosion according to the design requirements. The joint seam connection form of the circular tee should be determined according to the thickness and material of the plate. For galvanized thin steel plates and general steel plates, the thickness of which is less than 1.2mm, can be used for bite connection, and general steel plates larger than 1.2mm can be used for joint connection. Welding, and galvanized sheet steel larger than 1.2mm can be riveted.
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