Solids Concentration Measurements of Floating Particles Suspended in a Stirred Vessel Using Sample Withdrawal Techniques
Solids Concentration Measurements of Floating Particles Suspended in a Stirred Vessel Using Sample Withdrawal Techniques
复制标题
DOI：
10.1021/ie980592i
复制
发表时间：
1999-06
影响因子：
4.2
通讯作者：
N. Kuzmanić;D. Rušić
中科院分区：
文献类型：
--
作者：
N. Kuzmanić;D. Rušić
Axial and radial concentration profiles formed during suspension of floating particles in liquid under turbulent agitation are presented in this paper. Monomodal suspensions of polyethylene in tap water stirred by a pitched blade turbine have been studied. The local solids concentration from a slurry mixing tank have been measured by the withdrawal of a sample from the vessel. The dependence of the distribution of the monosized suspension on the sample tube design and sampling technique has been investigated. Three different probes have been tested. The obtained results have to be related to the direction of the local fluid velocity at the point of sampling in the mixing tank and the orientation of the suction section of the sampling tube. The effects of the particle size, bulk solids concentration, and impeller speed on the solids concentration profiles were also examined in detail. The solids concentration profiles in the mixing tank are described by means of the one-dimensional dispersion model. The ap...
