摘要
社会经济的发展导致了污水大量产生,污泥是伴随污水处理产生的又一种污染物,它的数量已经严重影响到城市居民的健康和生活环境,所以合理处理污泥显得非常重要。目前,污泥资源化利用是处理污泥的优选途径,其首要条件是将污泥进行干化或半干化。本文介绍了几种污泥干化工艺的原理及特点。
More and more sewage from wastewater treatment processes was produced with the development of social economy, which caused another pollutant must be dealt. Since the large amount of sludge has seriously influenced the city residents＇ health and living environment, the appropriate treatment of sludge is very important. At present, sludge resourceful utilization is the optimal approach of sludge treatment, and sludge drying or semidrying is the prime condition. In this thesis, the drying principles for various sludges and their characteristics were introduced.
关键词
打散转筒
桨叶
流化床
干燥
rotary dryer with scatter
Paddle dryer
fluidized bed
