The tower consists of seven parts----smooth bottle, material adding segment, filling segment, process returning, condenser, cooler and buffer storage can. It's suitable for diluted alcohol recycle in such industries as pharmacy, food, light industry and chemistry.  The contact part of the device is made of stainless steel, with high corrosion resistance and the advantages of energy saving, pollution controlling, low manufacturing cost and high effeciency. The device can vaporize the diluted alcohol of 30~50 degree and 93~95 degree. The residue discharge meets the request to pollution control. It meets GMP standard.