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Metal rascal ring, also known as israscal ring, has more than 30% load capacity relative to other traditional media, and almost 70% low pressure drop more than 10% to improve separation efficiency. The result is in energy and lower investment costs. The product is a direct substitute for the widely used ring packing. The ring is characterized by thin wall, heat resistance, large void, large flux, small resistance and high separation efficiency. Especially suitable for vacuum rectifying tower, processing heat sensitive, easy to decompose, easy to polymerize, easy to carbon materials. Therefore, it is widely used in petrochemical, chemical fertilizer, environmental protection and other industries.
The metal ring can be made from a variety of materials, such as carbon steel, stainless steel 304, 304L, 410, 316, 316L, etc.
● after the improvement of rasic ring, pall ring, ladder ring, conjugate ring and other fillers are developed. These fillers are improved in increasing mass transfer surface, improving mass transfer flux and reducing mass transfer resistance. Saddle (arc saddle and moment saddle) packing, is a kind of saddle-like open packing, in the tower is not easy to form a large number of local non-uniform region, the void ratio is large, the flow resistance is small, is a good performance of the industrial packing.
● metal isocyclic ring has small fluid resistance, large flux and high separation efficiency, but it is not suitable for materials with sediment, easy coking and high viscosity, and loading, unloading, cleaning is difficult, the cost is also high. The use of wire mesh to make the packing will undoubtedly increase the specific surface area of the packing and reduce the airflow resistance, thus improving the mass transfer efficiency. This kind of packing has the net ring, the saddle - shaped net, the ripple net, the triangle coil and so on. When designing a packed tower, the hydrodynamic properties of the packed tower should be considered first, which mainly include pressure drop of gas through the packing layer, liquid flooding gas velocity, liquid holding capacity (liquid volume per unit volume held by the packing), and gas-liquid distribution.
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