Development And Research Of New Typical Conical Degree Spiral Packing

The packing tower that is one kind of gas-fluid splitter is commonly used in the chemical industry, the packing is the core component of the packing tower, its performance has the enormous influence to the operation capability and the application scope of the packing tower. Along with the high speed development of the petrochemistryl industry in the whole world, people have high attention to the development and the application of the new packing. We have a little progress in the development of the new packing, for we always want to simply increase the relative surface and the percentage of interspace and to reduce the mutual nesting between the packings by designing the geometry of packing .Conical degree spiral packing designed by us has the different principle of design and the different structure with the existing industrial tower packing. Conical degree spiral packing has unique structure, and has completely different hydromechanical characteristics with the conventional packing. Conical degree spiral packing has the advantage in the handling ability, pressure drop and dynamic holdup liquid and so on.Hydromechanical characteristics of conical degree spiral packing, θ- ring Packing and porcelain Raschig ring packing were measured with water and air as flowing media in φ 44.3 mm absorption tower .The gas speed of the experiment is from 0.091 m/s to 0.453 m/s ,the liquid phase speed of the experiment is from 81.51 m~3/ (m~2. h~1) to 163.01 m~3/ (m~2. h~1) .Mass transfer characteristics of conical degree spiral packing, θ - ring Packing and porcelain Raschig ring packing were measured with water and sulfur dioxide and air as flowing media in φ 44.3 mm tower. The gas speed of the experiment is from 0.091 m/s to 0.362 m/s ,the liquid phase speed of the experiment is from 81.51 m~3/ (m~2. h~1) to 146.71 m~3/ (m~2. h~1) .From the result of the experiment, Hydromechanical characteristics and mass transfer characteristics of 60 degree conical degree spiral packing are best ,to appraise the overall performance of the packing by the pressure drop of each mass transfer unit, 60 degree conical degree spiral packing is best .The regression equation of pressure drop and gas speed of flooding point for 60 degree conical degree spiral packing has been given in this paper . This article has discussed the influence of the conical degree spiral structure to the packing hydromechanics characteristics and mass transfer characteristics. From the result of experiment, conical degree spiral packing has fine hydromechanical characteristics and mass transfer characteristics relatively.