共查询到19条相似文献,搜索用时 106 毫秒
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分析了单水氢氧化锂生产中盘式连续干燥器的技术特性向应用情况,通过试验证实该干燥器具有热效率高,不污染环境等优点。 相似文献
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本文分析了催化剂氢氧化铝生产中盘式连续干燥器的技术特性和应用情况,通过试验证实该干燥器具有热效率高、不污染环境等优点。 相似文献
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反丁烯二酸生产中盘式连续干燥器的应用 总被引:2,自引:0,他引:2
本文介绍了应用于反丁烯二酸干燥的盘式连续干燥器.阐述了工作原理及工艺流程.分析了这种干燥形式的特点及应舟领域.并重点与气流式干燥器进行了比较。 相似文献
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本文分析了染料生产中盘式连续干燥器的技术特征及应用情况,通过试验证实该干燥器适用范围广且热效率高,基本不污染自然环境和操作环境。 相似文献
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盘式连续干燥器发展至今已有几十年的历史,最初它只用于硫铁矿的焙烧及煤粉的干燥,由于其设备投资较大及当时的一些技术问题,一直没有引起人们的重视。近几十年,由于节能、改善工作环境及一些难处理物料干燥的需要,许多国家又开始了盘式连续干燥器的开发和研究工作,进一步改进了其制造加工工艺,降低了成本,提高了干燥性能,将广泛应用于化工、染料、农药、塑料、医药、食品等领域,并取得很高的效益。 相似文献
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《Drying Technology》2013,31(7):1621-1635
Abstract A mathematical model for the mass-heat transfer in a continuous plate dryer has been developed. Along with a new mass transfer model, the formulas for several important parameters, such as height, volume of each granular heap and retention time, are provided. According to the penetration model of particle heat transfer, the average drying rate ([mdot]) is predicted together with the mean bulk temperature (T out) and moisture content (X out) by a straightforward stepwise calculation procedure. The only empirical parameter N mix can be predicted by the method, provided that experimental data with various initial moisture contents (X in) are given. According to the model, the optimization of a plate dryer should aim at the maximizing of the effective covering ratio (μ) and the total area-averaged heat transfer coefficient (α). The model and equations were applied in an experimental plant. In the result, the theoretical predictions are shown to be in satisfactory agreement with experimental data. 相似文献
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《Drying Technology》2012,30(15):1786-1791
Polyformaldehyde (POM) is a modern engineering plastic with excellent characteristics and there is a huge demand for it in China and the world. An industrial plate dryer process with nitrogen protection was newly developed to meet the emerging needs for big-scale and energy-efficient dryers in the production of POM. The plate dryer developed has a production capacity of 43 tons/day POM powder and a thermal efficiency of 78%. A field test report shows that the dryer allows a reliable and smooth operation and meets the quality specifications for POM powders. 相似文献
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结合赤天化股份公司仪表空气干燥装置控制系统改造,介绍了PLC在仪表空气干燥器程序控制系统改造中的应用,介绍了PLC选型,PLC程序设计. 相似文献
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介绍了旋转闪蒸干燥机的工作原理、结构特点、设计方法。同时也介绍了染料干燥的工艺参数和蒸发强度,为染料用旋转闪蒸干燥机的设计提供了便捷的设计方法。 相似文献
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