The circulating type vacuum evaporimeter outside WZI Type, is a kind of natural circulation Type evaporimeter that operated under vacuum system. WZI Type is one , second , three result SeriesSpecifications, there is Q Type evaporimeter in order to force outside 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, (whether for example water , alcohol that traditional Chinese medicine produce draw liquid , antibiotic fermented liquid , milk , fruit juice ,etc.), concentrate in succession the low temperature under the vacuum condition, can guarantee product quality .