文献类型：期刊文献

英文题名：Modelling study of characteristics of heat transfer and structural optimization of refractory layer in an entrained-flow gasifier

作者：Lin, Kuo[1,2];Shen, Zhongjie[1,2];Liang, Qinfeng[1,2];Xu, Jianliang[1,2];Liu, Haifeng[1,2]

机构：[1]East China Univ Sci & Technol, Shanghai Engn Res Ctr Coal Gasificat, POB 272, Shanghai 200237, Peoples R China;[2]East China Univ Sci & Technol, Inst Clean Coal Technol, POB 272, Shanghai 200237, Peoples R China

年份：2020

卷号：168

外文期刊名：APPLIED THERMAL ENGINEERING

收录：;EI(收录号：20195207944453);WOS:【SCI-EXPANDED(收录号:WOS:000517848500017)】；

基金：This work was supported by the National Key R&D Program of China (2018YFC0808500), National Natural Science Foundation of China (21878082).

语种：英文

外文关键词：Refractory brick; Heat transfer; Gasification; Structural optimization; Slag attack tendency

摘要：The refractory layer plays an important role in the heat transfer process in an entrained flow gasifier. The thickness and construction of refractory bricks greatly affect the space utilization of the gasifier chamber as well as the temperature distribution of the metal wall. In this paper, thermal resistance distribution of the refractory wall in the gasifier was studied. Besides, several different refractory materials and refractory lining schemes were considered for the refractory layer of the gasifier. The temperature distributions of the refractory layer were discussed in different schemes. Heat transfer models of slag and refractory layer were validated by available experimental data. The results showed that the furnace utilization and feed rate were the highest, and the slag attack tendency was lowest, when fire brick, insulation brick, and insulation coating were adopted as the refractory layer.