【摘要】：本文在熱風對流干燥實驗臺上進行污泥薄層等溫干燥特性的實驗研究,獲得了一定風速下溫度對薄層含水率影響規(guī)律�；诙嘣禑崃W原理,構(gòu)建了薄層含水率的雙結(jié)構(gòu)預(yù)測模型�；跓崃W極值原理,分析污泥水分遷移過程中吉布斯函數(shù)的變化規(guī)律,以對薄層干燥工況方案進行優(yōu)化。結(jié)果表明:雙結(jié)構(gòu)模型可用于預(yù)測薄層含水率的變化情況;在2 m/s風速下,薄層含水率從80%降低到60%時,控制干燥溫度為100℃左右;含水率從60%降低到10%,應(yīng)保持干燥溫度在150℃左右。
[Abstract]:In this paper, the Isothermal drying characteristics of sludge thin layer were studied on the hot air convective drying experimental platform, and the effect of temperature on the moisture content of the thin layer under certain wind speed was obtained. Based on the thermodynamic principle of multivariate system, a double structure prediction model of thin layer moisture content is constructed. Based on the thermodynamic extremum principle, the variation of Gibbs function in the process of sludge water transfer is analyzed in order to optimize the drying condition of thin layer. The results show that the double structure model can be used to predict the change of moisture content of thin layer, and the drying temperature is about 100 鈩，

本文編號：2494686