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Microcomputer-Controlled Solar Air Collector for Tobacco Curing and Greenhouse Heating 用于烟草烘烤和温室加热的微机控制太阳能空气收集器
温室太阳能系统是一种大型多用途太阳能空气收集器,在其中进行干燥过程或植物生产过程,以便全年有效利用太阳能。该系统的基本设施可用于两种工艺,太阳能装置的初始成本不超过传统烟草散装烘烤装置的成本。烟叶烘烤过程是一个复杂的干燥过程,在所有作物中,单位干重能耗最高。太阳能非常适合烟草烘烤,因为烘烤是在7月和8月进行的,那时太阳能处于峰值。这个结构和设施用于在一年的剩余时间内生产温室作物和烟草幼苗,利用太阳能为温室供暖。 天气变化是整个系统运行的一个组成部分,被纳入在线决策过程,以实现最大性能。设计了一个基于微处理器的控制系统,通过收集器内的气流控制来管理太阳能收集和空气加热。首次在微机控制下进行了太阳能烟草烘烤。全面的烟草烘烤和温室育苗生产证明,烟草烘烤质量高,节省燃料50%以上,发芽率高达95%,幼苗生长健康,发芽率高达97%。单位:双引文:研讨会,ASHRAE交易,1987年,第93卷,第。田纳西州纳什维尔2号
The greenhouse solar system is a large multipurpose solar air collector in which a drying process or a plant production process takes place for effective year-round solar energy utilization. The basic facilities of the system can be used for both processes at an initial cost of the solar unit not exceeding that of a conventional tobacco bulk-curing unit. The tobacco-curing process is a complicated drying process, which requires the highest energy consumption per unit of dried weight among all crops. Solar energy is ideally suited for tobacco curing, since the curing is done during the months of July and August when solar energy is at its peak. The !structure and facilities are used to produce greenhouse crops and tobacco seedlings the remainder of the year, utilizing solar energy for greenhouse heating. Weather variability, being an integral part of the total system operation, was incorporated into an on-line decision-making process to achieve maximump erformance. A microprocessor-based control system was designed to manage the solar collection and air heating through airflow control within the collector. Solar tobacco curing was performed, the first time under microcomputer control. Full-scale tobacco cures and greenhouse seedling production demonstrated quality tobacco curing with over 50% fuel savings and provided high germination rates of 95%, 97% with healthy seedling growth.Units: Dual
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