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Temperature profiles and cycle times in a large-scale medical waste incinerator installed in a referral hospital were used to assess the performance and functionality of incinerator. The study was conducted using data collected from 8 cycles per days for 67 days. For proper combustion and destruction of toxic components in the primary chamber and destruction of pollutants and toxic components in the flue gas, it is desired to reach the maximum temperature in the chambers faster and maintain this maximum temperature for an extended time interval. The primary and secondary temperatures T1 and T2, respectively, were recorded at an interval of one minute for different cycles. Different amounts of wastes with varying proportions of sharps and other wastes were loaded into the incinerator and temperature profiles recorded. The analysis shows that the incinerator works at primary temperature less than the required recommended by manufacturer while the secondary chamber operates between 600 and above 950℃, although higher temperatures up to 1020℃ were observed. The average load preparation time was observed to be 14.6 minutes, while the chamber preheating time before daily initial loading was 25.45 minutes. Both temperature profiles were observed to have similar shapes for all combustion cycles studied, except when incinerator malfunctioning occurred. The average cycle time was established to be 32.7 minutes and 28.97 minutes based on time to drop to 550℃ after the maximum temperature and loading time intervals, respectively, although longer cycle times were observed. Temperature drop in both combustion chambers as a result of waste charging was observed in the interval of 5 minutes. The chamber heating rate was observed to decrease exponentially with time during both preheating and incineration operation.
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篇名 Analysis of Temperature Profiles and Cycle Time in a Large-Scale Medical Waste Incinerator
来源期刊 工程(英文)(1947-3931) 学科 医学
关键词 Medical WASTE Management INFECTIOUS WASTE PATHOLOGICAL WASTE Sharps WASTE INCINERATION Temperature Profile Cycle Time Heating Rate
年,卷(期) gc-eng_2015,(10) 所属期刊栏目
研究方向 页码范围 717-732
页数 16页 分类号 R73
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研究主题发展历程
节点文献
Medical
WASTE
Management
INFECTIOUS
WASTE
PATHOLOGICAL
WASTE
Sharps
WASTE
INCINERATION
Temperature
Profile
Cycle
Time
Heating
Rate
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
工程(英文)(1947-3931)
月刊
1947-3931
武汉市江夏区汤逊湖北路38号光谷总部空间
出版文献量(篇)
367
总下载数(次)
1
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