Ventilation ducts are mostly made of duct processing equipment, which mainly plays the role of circulating air and reducing the concentration of harmful gases. However, due to various reasons, problems may arise in the processed air ducts. The following are two common problems and solutions in the production of ventilation pipes.
1. The material processed does not meet the standard.
Performance A: The surface of the sheet is not uniform, the thickness is not uniform, and there are obvious indentation, cracks, sand holes, scars and rust spots; the plane of the conduit sinks, the lateral edge protrudes outward, and the deformation is obvious.
B Impact: Air duct leakage in operation, air conditioning load increases, affecting the service life and performance of the wind.
Reason C: The material is not up to standard and can not meet the requirements of air control operation.
Measure d: Before making air duct by using air duct processing equipment, check the qualification certificate of material leaving factory, material qualification certificate, appearance thickness, etc. to ensure that the material is complete.
2. Incorrect winding angle and elbow angle of duct
Performance A: The two relative planes and two end faces of rectangular pipe are not parallel; the angles are not straight; the diagonals are not equal; the bite is loose.
B effect: uneven force on air duct connection, uneven air duct after installation, loose flange gasket, air leakage of the system, resulting in air conditioning load loss, shortened service life.
Cause C: The layout is not accurate; the air ducts are parallel to each other, and the length and width of the plate are not equal.
Measure D: When cutting, the angle of splint should be strict, and the length, width and diagonal of each plate should be tested so that the deviation can be controlled within the allowable range. After blanking, the two plates opposite the air duct should be overlapped to check the dimensional accuracy.
In the production of ventilation ducts, the phenomenon of unqualified processing materials, inaccurate winding angle and elbow angle of ducts are often encountered. Therefore, in order to produce practical, durable and high-quality air ducts, it is necessary to fully pre-set and prepare the operation of air duct processing equipment before and after operation to ensure the safety of air ducts and reduce unnecessary losses.