[1]王雷,李润东,金宜英,等.焚烧飞灰水泥窑共处置过程Pb的迁移模型[J].深圳大学学报理工版,2012,29(No.6(471-580)):509-514.[doi:10.3724/SP.J.1249.2012.06509]
　WANG Lei,LI Run-dong,JIN Yi-ying,et al.Modeling of lead migration in MSWI fly ash during the co-processing with cement kiln[J].Journal of Shenzhen University Science and Engineering,2012,29(No.6(471-580)):509-514.[doi:10.3724/SP.J.1249.2012.06509]
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焚烧飞灰水泥窑共处置过程Pb的迁移模型()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第29卷
期数:
2012年No.6(471-580)
页码:
509-514
栏目:
环境与能源
出版日期:
2012-11-30

文章信息/Info

Title:
Modeling of lead migration in MSWI fly ash during the co-processing with cement kiln
文章编号:
20120608
作者:
王雷1; 李润东1; 金宜英2; 李彦龙1; 徐杰1
1）沈阳航空航天大学能源与环境学院，沈阳 110036
2）清华大学环境学院，北京100084
Author(s):
WANG Lei1;  LI Run-dong1;  JIN Yi-ying2;  LI Yan-long1; and XU Jie1
1) College of Energy & Environment, Shenyang Aerospace University, Shenyang 110036, P.R.China
2) School of Environment, Tsinghua University, Beijing 100084, P.R.China
关键词:
工业污染; 焚烧飞灰; 水泥窑共处置; 铅; 迁移模型; 窑灰循环
Keywords:
industrial pollution;  municipal solid waste incinerator flash;  co-processing;  lead;  migration mass model;  kiln dust circulation
分类号:
X 705
DOI:
10.3724/SP.J.1249.2012.06509
文献标志码:
A
摘要:
以焚烧飞灰替代水泥原料，开展熟料煅烧实验，通过水泥回转窑系统中Pb的简化质量平衡模型，研究替代生料比例分别为1%、5%、10%和20%时，窑灰循环对Pb固定和迁移的影响. 根据工业水泥窑Pb的监测数据，分析Pb和Cl输入总量对Pb迁移的影响.模型计算表明，飞灰替代原料导致窑灰和熟料中Pb的质量分数显著增加，当替代比为10%时，窑灰和熟料中Pb的质量分数由114.9 mg/kg 和21.1 mg/kg 分别增至1 125.6 mg/kg 和206.7 mg/kg. 窑灰循环也对Pb的迁移影响显著，当替代比为1%，窑灰循环率为0.4时，3 h内窑灰和熟料中Pb的质量分数增至200 mg/kg和39.3 mg/kg，而后渐缓直至稳定.窑灰循环率从0.4增加到1，在最终稳定状态时，熟料中Pb的质量分数为90.22 mg/kg，现场试验熟料中Pb的质量分数为82 mg/kg，理论计算与实际检测基本吻合.
Abstract:
The fly ash of municipal solid waste incinerator (MSWI) was added to the cement raw meal to produce clinkers on a lab scale and a real scale. The monitoring data of Pb in the cement kiln, which co-processed waste materials, were statistically analyzed to clarify the effect of total Pb or chloride input on Pb migration. A simplified mass balance model of Pb in the cement kiln was built to investigate the effect of kiln dust circulation on the migration characteristics of Pb when the substitution ratios of MSWI fly ash to cement raw meal were 1%, 5%, 10% and 20%, respectively. The results of the calculation model show that the Pb concentration in kiln dust and clinker increased quickly from 114.9 mg/kg and 21.1 mg/kg to 1 125.6 mg/kg and 206.7 mg/kg respectively at the substitution ratio of 10%. Furthermore, the kiln dust circulation had a significant effect on the Pb concentration in kiln dust and clinker, which increased quickly to 200 mg/kg and 39.3 mg/kg at the initial 3 h and subsequently decreased slowly at the substitution ratio of 1% and at a kiln dust circulation ratio of ?0.4. The Pb concentration in clinker increased to a large degree during the final stabilization stage when the kiln dust circulation rate increased from 0.4 to 1. The calculated and tested Pb concentration in clinker was 90.22 mg/kg and 82 mg/kg, respectively, which shows the calculation model is accurate.

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备注/Memo

备注/Memo:
Received：2010-04-18；Revised：2012-06-08；Accepted：2012-08-20
Foundation：National Natural Science Foundation of China (51108276); Major State Basic Research Development Program of China(2011CB201500)
Corresponding author：Associate professor WANG Lei. E-mail: rabud@sau.edu.cn
Citation：WANG Lei, LI Run-dong, JIN Yi-ying, et al. Modeling of lead migration in MSWI fly ash during the co-processing with cement kiln［J］. Journal of Shenzhen University Science and Engineering, 2012, 29(6): 509-514.（in Chinese）
基金项目：国家自然科学基金资助项目(51108276)； 国家重点基础研究发展计划资助项目(2011CB201500)
作者简介：王雷（1978-），男(汉族)，吉林省农安县人，沈阳航空航天大学副教授、博士. E-mail: rabud@sau.edu.cn
引文：王雷，李润东，金宜英，等. 焚烧飞灰水泥窑共处置过程Pb的迁移模型［J］. 深圳大学学报理工版，2012，29（6）：509-514.
更新日期/Last Update: 2012-11-30