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http://dx.doi.org/10.3795/KSME-A.2012.36.5.571

A Study on Design of Vacuum Silo for Batch Treatment System for Dredged Soil  

Kim, Yong-Seok (Dept. of Mechanical Engineering, Univ. of Ulsan)
Yang, Hae-Rim (Dept. of Mechanical & Automotive Engineering, Graduate School, Univ. of Ulsan)
Kim, Hac-Sun (Dept. of Mechanical & Automotive Engineering, Graduate School, Univ. of Ulsan)
Jeoung, Chan-Se (Dept. of Mechanical & Automotive Engineering, Graduate School, Univ. of Ulsan)
Yang, Soon-Yong (Dept. of Mechanical Engineering, Univ. of Ulsan)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.36, no.5, 2012 , pp. 571-577 More about this Journal
Abstract
In this study, a small movable batch treatment system for dredging soil deposited in a rain water tube is proposed; further, a vacuum silo sorting separation device with a vacuum silo, first-stage sorting separator, and conveyor is designed. The vacuum silo sorting separation device also consists of a storage tank, transferring screw, vacuum gate, screen bar, screen bar cleaner, and vacuum discharging device. In view of the fact that the flow of drawn air in the storage tank is a major factor influencing the sorting separation performance, the optimum shape of the tank is determined by CFD flow analysis. In addition, by using CAE structure analysis, the safety of a storage tank made of boards is examined. The specifications of the vacuum silo sorting separation device are determined by conducting mechanical and dynamic simulations of the driving mechanism of the vacuum silo sorting separation device through 3D-CAD modeling. Following this study, we will design a drum-screen-type second sorter, a decanter-type dehydration device, and waste water tank and pump as a secondary device. Further, on the basis of this design, we will construct a prototype model and carry out a field test.
Keywords
Dredging Device; Dredged Soil; Sewage Manhole Dredging; Rainwater Manhole Dredging; Dredged Soil Batch Treatment; Dredged Soil Recycling;
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