The WZI type circulating type vacuum evaporimeter outside, is a kind of natural circulation type evaporimeter operated under vacuum system. WZI type has a result , two results , three result serial specifications , there is Q type evaporimeter in order to force circulating besides. This product can be used in water in such trades as medicine , food , chemical industry , light industry ,etc. or the organic evaporation of dissolving the matchmaker solution to concentrate extensively. Suitable for temperature sensing supplies especially, (for example ink , alcohol that traditional Chinese medicine produces draw the liquid, fermented liquid of antibiotic , milk , fruit juice ,etc.) concentrate in succession the low temperature under the vacuum condition , can guarantee product quality . If need to retrieve the alcohol, improve the density of alcohol, our factory has developed outside and heated and evaporated the alcohol recovery and rectification device , the details can write letters or the incoming telegram is inquired