Spiral duct takes up a high proportion in the ventilation duct. It is widely used in many industries. As a common air duct component in production and life, it is mainly used for ventilation in a relatively closed space
Spiral duct takes up a high proportion in the ventilation duct. It is widely used in many industries. As a common air duct component in production and life, it is mainly used to ventilate a relatively closed space, and also can be used to discharge liquid or transport light goods with low density. It has different applications in different situations. The spiral air duct is often exposed to the external environment and is vulnerable to the erosion of wind, frost, rain and snow. The corrosion-resistant 304 stainless steel spiral air duct is mostly used, or in the non-corrosive gas scenario, in order to control the cost budget, the thickness of the plate can be thickened, such as 1.2/1.5/2.0, or the thickness of the zinc coating can be thickened, or even the internal and external three layers of paint can be used for corrosion prevention. The ideal design is 304 stainless steel spiral air duct.
There are three main cleaning methods for spiral air duct:
Vacuum suction: use a similar hand-held vacuum suction pipe for practical operation. Use a soft brush to directly contact the inner cavity of the pipeline to eliminate waste. This kind of method must have a large access hole for the ventilation duct so that the actual operating staff can reach it as much as possible. However, this kind of method is likely to jump away from some dust and waste, because the negative pressure standard that the ventilation duct cannot produce. The following methods can generate negative pressure standards.
Driving force brushing: use pneumatic or electric brush to brush the dirt, and then the waste is sucked into the vacuum pump collector in the same way and direction as the steam cleaning. This kind of method stipulates that we should be careful not to damage the surface of thermal insulation materials.
Steam cleaning: This type of method relies on the plastic hose with nozzle connected to the ventilation duct to transport air for compression. The design of the nozzle enables air compression to expel dust and waste. The waste and dust compressed and dried by the air are transferred to the vacuum pump container along the way.
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