IMECH-IR  > 高温气体动力学国家重点实验室
垃圾焚烧飞灰玻璃化的控制参数
Alternative TitleParameter on Waste Incinerator Fly Ash Vitrification
张金龙; 李要建; 王贵全; 邓晶; 徐永香; 盛宏至
Source Publication燃烧科学与技术
2012-04-15
Volume18Issue:2Pages:186-191
ISSN1006-8740
Abstract通过模拟飞灰残渣的方法,研究了垃圾焚烧飞灰玻璃化技术中玻璃体的形成条件,实验发现1,350,℃下Cl和S不影响玻璃体的形成;相比于在炉内慢速冷却,熔体经空气中自然冷却更容易形成玻璃体;空气自然冷却时,高Ca组分比高Na组分更难形成玻璃体,而炉内慢速冷却时,高Na组分更难形成玻璃体;Al对玻璃体的形成具有促进和抑制的双重作用;B_2O_3可以代替SiO_2组建网络结构形成玻璃体.定义O/F,给出计算公式中各系数的经验值,得出玻璃体的形成条件为炉内慢速冷却时,O/F<3.2;空气自然冷却时O/F<3.4.利用深圳市生活垃圾焚烧飞灰与添加剂SiO_2和B_2O_3的玻璃化实验进一步验证了玻璃体的形成条件.
Other AbstractThe vitrification parameter was investigated by cooling and solidifying the molten simulated municipal solid waste incinerator(MSWI) fly ash. The results indicated that the vitrification was unaffected by Cl and S from fly ash in melting process at 1350°C; the melt was more easily vitrified by air cooling than by in-furnace cooling; Ca2+ had more destructive effect on vitrification network structure than Na ion in the air-cooling condition, and the reverse happened in in-furnace cooling condition;Al ion played a dual role in the vitrification process; a part of B ion could replace Si ion to build the network structure as network former. O/F was defined, the empirical data of coefficient were given, and the condition for vitrification was obtained, i.e. O/F<3.2 in the case of in-furnace cooling and O/F<3.4 in the case of air cooling, which was validated by MSWI fly ash, sampled from MSWI plant in Shenzhen, vitrified with SiO2 and B2O3.
Keyword焚烧 飞灰 玻璃化 s Cl Sio_2
Subject Area化工流体力学
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Indexed ByCSCD ; EI
Language中文
Funding Organization中国科学院知识创新工程领域前沿项目资助
CSCD IDCSCD:4530347
DepartmentLHD高效洁净燃烧(CPCR)
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46521
Collection高温气体动力学国家重点实验室
Corresponding Author盛宏至
Recommended Citation
GB/T 7714
张金龙,李要建,王贵全,等. 垃圾焚烧飞灰玻璃化的控制参数[J]. 燃烧科学与技术,2012,18(2):186-191.
APA 张金龙,李要建,王贵全,邓晶,徐永香,&盛宏至.(2012).垃圾焚烧飞灰玻璃化的控制参数.燃烧科学与技术,18(2),186-191.
MLA 张金龙,et al."垃圾焚烧飞灰玻璃化的控制参数".燃烧科学与技术 18.2(2012):186-191.
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