共查询到18条相似文献,搜索用时 171 毫秒
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我国直接空冷机组精处理普遍采用粉末树脂覆盖过滤器,由于滤元污堵导致粉末树脂覆盖过滤器运行周期缩短。粉末树脂覆盖过滤器滤元的清洗可以使凝结水精处理系统正常运行。 相似文献
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介绍了布连电厂凝结水精处理系统覆盖过滤器粉末树脂泄漏的情况,分析了产生的原因,提出了具体的处理方案和建议。 相似文献
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对于2×1000 MW超超临界湿冷机组,每台机组设置一套前置过滤器+高速混床的中压凝结水精处理系统。前置过滤器推荐采用无反洗大流量管式滤芯卧式除铁过滤器,按2×50%凝结水最大流量设计;混床出力配置推荐采用4×33.3%凝结水最大流量的方案;混床阳:阴树脂配比宜按1∶1体积比配置;两台机组合用一套体外再生装置。 相似文献
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介绍了阳城电厂2x600 MW间接空冷机组凝结水精处理系统粉末树脂覆盖过滤器的运行状况,其存在的问题是除盐能力低.系统增加高速混床后,运行效果明显提高,汽水品质得到极大改善,节约了运行成本. 相似文献
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本文介绍粉未树脂复盖过滤器用于电站凝结水处理的国外情况。同时指出了今后在我国发展粉末树脂复盖过滤器的必要性和可行性。 相似文献
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Ultrafine Dust Filtration Using Precoat Materials Considering the Influence of Filter Media
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Ultrafine dust separation from different sources like industry, traffic, or private households has become increasingly important in the last decade. A compact baghouse filter system has been developed which is suitable for pellet heaters. For filtration, a precoat material is required to prevent clogging of the filter media by the ultrafine dust particles. In order to ensure the best performance of this filter system, different combinations of filter media and precoat materials, e.g., grade efficiencies and the cake area load for the various filter media, were investigated in a special test rig. With this highly efficient technology, extremely high separation efficiencies of > 99 % and ultrafine dust concentrations of > 1 mg cm?3 could be reached in a long‐term stable process. 相似文献
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《分离科学与技术》2012,47(7):1701-1712
Abstract Precoat filtration with body‐feed is widely applied during wine‐making. This technique employs filter aids, such as diatomites (silica particles), to form the precoat layer. However, the spent diatomites, which retain organic matter, represent an important source of pollution and land disposal of this type of waste is forbidden. In addition, these spent diatomites are not regenerable. The aim of this study was to evaluate regenerable filter aids which have a high environmental acceptability. Polyamide particles were characterized as filter aids, tested in precoat filtration and compared to diatomites which are the classic filter aids used in wine filtration. Polyamide particles seemed to be efficient filter aids, reducing turbidity by 72% and the fouling index by 56% without affecting wine quality. 相似文献