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首页> 外文期刊>Recent Patents on Chemical Engineering >Research of Solid Particles Circulation Based on a New Feedback Valve of Internal Circulating Fluidized Bed
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Research of Solid Particles Circulation Based on a New Feedback Valve of Internal Circulating Fluidized Bed

机译：基于内循环流化床新型反馈阀的固体颗粒循环研究

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摘要

Theory calculation method and cold experiment are introduced based on a new J-type Loop Seal of two chambers internal circulating fluidized bed in the paper. Theory calculation includes equivalent model based on J-type Loop Seal experimental device and setting up correlations of solid particles circulation. Cold experiment includes building the experimental device and measuring related parameters. And relationships between lateral blow and three key parameters determining solid particle circulation are discussed on emphasis in cold experiment. The experimental results show that when the left or right lateral blow is fixed, the height difference of two chambers under operation is in linear relationship with another lateral blow. The dynamic head of feedback valve under operation is only in linear relationship with the left lateral blow, and is hardly affected by the right lateral blow; the resistance coefficient in the feedback valve is in linear relationship with reciprocal of right lateral blow. Experimental values are in good agreement with the theory calculation values for solid particle circulation, with the relative error less than 10%. Thus the theory calculation method and cold experiment provide a reliable reference basis for operation and hot experiment of feedback valve of internal circulating fluidized bed. What's more, we also discussed few related patents.
机译：本文介绍了一种基于新型的两室内部循环流化床J型回路密封的理论计算方法和冷试验。理论计算包括基于J型环封实验装置的等效模型并建立固体颗粒循环的相关性。冷实验包括构建实验设备和测量相关参数。侧向吹气与决定固体颗粒循环的三个关键参数之间的关系在冷试验中着重讨论。实验结果表明，当左右吹气固定时，两个正在运行的气室的高度差与另一侧吹气成线性关系。反馈阀在工作状态下的动态扬程仅与左侧侧向力成线性关系，几乎不受右侧侧向力的影响。反馈阀的阻力系数与右侧打击的倒数成线性关系。实验值与固体颗粒循环理论计算值吻合良好，相对误差小于10％。理论计算方法和冷实验为内部循环流化床反馈阀的运行和热实验提供了可靠的参考依据。此外，我们还讨论了一些相关专利。

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