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1. 发明授权

US5728185A Closed system for volatile organic compound recycling 失效
标题翻译：封闭系统用于挥发性有机化合物回收利用
公开(公告)号：US5728185A
公开(公告)日：1998-03-17
申请号：US718256
申请日：1996-09-20
申请人： Le Roy H. Buchholz, Jr. , Loretta P. Buchholz
发明人： Le Roy H. Buchholz, Jr. , Loretta P. Buchholz
IPC分类号： B05B15/12 , B01D47/05
CPC分类号： B05B15/1233 , Y02P70/36 , Y10S55/46
摘要： In the system of the instant invention, volatile organic compounds (VOCs) liberated in the course of solvent-based painting of a workpiece, are recovered. The atmosphere within a closed spray-booth is maintained at a fixed humidity such that vaporized water, supplied in the form of steam or nebulized water vapor, acts as a carrier for VOCs liberated in the course of spray painting or heat curing of a workpiece. The VOCs may be recovered continuously, including during the spray-painting or heat curing of the workpiece. The VOC laden, humidified air is circulated through a condenser such that VOCs dissolved in the water vapor condense and are directed to a recovery means. The water and solvent are separated, recovered and purified for re-use or placed in an appropriate container for disposal, thereby eliminating the usual practice of expelling VOC laden air into the atmosphere. The system is provided with a flame-free heat source to cure the painted workpiece and to guard against the danger of explosion.
摘要翻译：在本发明的系统中，回收在工件的溶剂型涂布过程中释放的挥发性有机化合物（VOC）。封闭的喷雾室内的气氛保持在固定的湿度，使得以蒸汽或雾化水蒸气的形式供应的汽化水作为在喷涂或加热固化工件的过程中释放的VOC的载体。 VOC可以连续地回收，包括在喷涂或加热固化工件期间。 VOC负载的加湿空气通过冷凝器循环，使得溶解在水蒸气中的VOC凝结并被引导到回收装置。水和溶剂分离，回收和纯化再次使用或放置在适当的容器中进行处理，从而消除将含有VOC的空气排入大气中的通常做法。该系统配有无焰热源，用于固化涂漆的工件并防止爆炸的危险。

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