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Studies in an atmospheric bubbling fluidized-bed combustor of 10 MW power plant based on rice husk

机译：基于稻壳的10 MW发电厂大气鼓泡流化床燃烧室研究

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In this paper an experience, environmental assessment, a model for exit gas composition, agglomeration problem and a model for solid population balance of 10 MW power plant at Jalkheri, Distt. Fatehgarh Sahib, Punjab, India based on rice husk has been discussed. Three phase multistage mathematical model for exit gas composition of rice husk in fluidized bed has been derived. The model is based on three-phase theory of fluidization and material balance for shrinking rice husk particles and it is similar to model developed by Kunii and Levenspiel. The burning of rice husk is assumed to take place according to single film theory. The model has been used to predict the exit gas composition particularly O_2, CO_2 and N_2. The agglomeration problem of above plant which is main reason for defluidization of bed has also been discussed. SEM of ash agglomerates has been done. Ash samples taken from the above 10 MW power plant at Jalkheri has been quantitatively analyzed. Finally solid population model has been formed to calculate bed carbon load and carbon utilization efficiency. Above two models are experimentally correlated with the data collected from the above 10 MW power plant at Jalkheri, Distt. Fatehgarh Sahib, Punjab, India which uses rice husk as a fuel input (at the time of study). All the results from the model for rice husk are coming with in permissible limits.
机译：本文研究了位于迪特（Dalk）Jalkheri的10兆瓦发电厂的经验，环境评估，出口气体成分模型，集聚问题和固体人口平衡模型。已经讨论了基于印度稻壳的印度旁遮普省的法塔赫加·萨希布（Fatehgarh Sahib）。推导了流化床中稻壳出口气体成分的三相多阶段数学模型。该模型基于流化和物料平衡的三相理论来收缩稻壳颗粒，与Kunii和Levenspiel开发的模型相似。假定根据单膜理论发生稻壳的燃烧。该模型已用于预测出口气体的成分，特别是O_2，CO_2和N_2。还讨论了上述设备的结块问题，这是导致床层流失的主要原因。灰分附聚物的SEM已经完成。已对来自Jalkheri的上述10 MW电厂的灰渣样品进行了定量分析。最终形成了固体种群模型来计算床层碳负荷和碳利用效率。以上两个模型在实验上与从位于Distt的Jalkheri的上述10兆瓦发电厂收集的数据相关。印度旁遮普邦的法塔赫加·萨希布（Fatehgarh Sahib），使用稻壳作为燃料输入（在研究时）。稻壳模型的所有结果都在允许的范围内。

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