The characteristics of biomass gasification in multistage heating and gradient chain gasifier

被引：7
作者：
Cai, Jianjun [1 ]
Wang, Shuzhong [1 ]
Wang, Qingcheng [2 ]
Kuang, Cao [1 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Energy & Power Engn, Xian 710049, Peoples R China
[2] Shanghai Inst Technol, Inst Energy & Resources Comprehens Utilizat Res, Shanghai 201418, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2016年 / 41卷 / 35期
关键词：
Biomass; Gasification; Optimization; Multistage heating and gradient chain gasifier; STEAM GASIFICATION; HYDROGEN-PRODUCTION; POWER-GENERATION; FLUIDIZED-BED; PILOT-SCALE; GAS; RESIDUES; BEHAVIOR; ENERGY; COAL;
D O I：
10.1016/j.ijhydene.2016.04.128
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The characterization on gasification of biomass briquette in a sectional healing of reactor was studied in this article. The results indicated that the temperature of drying stage was higher than those of oxidizing and reducing stages in multistage heating and gradient chain gasifier (MHGCG). Through comparison with the normal situation, the gasification efficiency was improved significantly with the increase of the temperature of drying stage appropriately, and with the decrease of the oxidizing and reducing temperature. When the equivalence ratio (ER) was 0.28 in the oxidizing stage, the weight loss of biomass and the gasification efficiency was 43% and 56%, respectively. The volume fraction of O-2, CO2, H-2 and CO was 4%, 10%, 14% and 24%, respectively, and the ultimate volume fraction of NO, NOx, and SO2 was about 0.024%, 0.025% and 0.032%, respectively. In addition, most of the raw biomass (about 95%) was transferred to the discharge port of MHGCG. Therefore, the gradient-chain has little effect on the disturbance of biomass briquetting fuel (biomass briquette) in the vertical direction. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：15674 / 15681
页数：8
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