圆锥水力分级机数学模型的研究及其定量分析

DEVELOPMENT AND QUANTITATIVE ANALYSES OF MATHEMATICAL MODEL FOR A CIRCULAR CONE HYDRAULIC CLASSIFIER

试验室研究表明，圆锥水力分级机具有类似水力旋流器和螺旋分级机的“Ｓ”型折算效率曲线。本文利用分析软件包ＭＩＣＲＯＴＳＰ的多元线性回归及误差分析和绘图程序，建立了圆锥水力分级机的数学模型。该模型由四个基本方程组成，用以描述校正分离粒度ｄ５０Ｃ、结料中最细级别在底流产品中的分配率Ｅ３８８．５、水量分配比Ｒｔ、分离精度ｍ。此外，详细地定量分析了ｄ５０Ｃ和Ｅ＿８６．５方程，并运用建立的模型预报了各种操作条件下的实际分级效率（Ｅ２）和校正分级效率（ＥＣ）。

Laboratory research results show that a circular cone hydraulic classi-fier(CCHC)has the similar“S” type of reduced-performance curve to a hy-drocyclone or a spiral classifier,In this paper,analysis software“MICROTSP”was used to develop a mathematical model of CCHC which consists offour basic equations that express the cut size(corrected d50),water splitbetween overflow and sand(Rt),separating degree(m) and the finest sizefraction appearing in the sand product(E-38.5).Moreover,d50c and E-:38.5 equations ar...