Equipment for evaporating and concentrating compound donkey-hide gelatin slurry extracting solution

The utility model provides equipment for evaporating and concentrating compound donkey-hide gelatin slurry extracting solution. The equipment at least comprises a raw liquid tank, an accumulated liquid tank, a condensate tank, an evaporator, a vacuum pump water tank, a preheater, a separator, a feed pump, an accumulated liquid pump, a condensate pump, a discharge pump, a vacuum pump, a first compressor and a second compressor, wherein the raw liquid tank, the feed pump and the preheater are sequentially connected through pipelines so as to form a preheating system, the raw liquid tank is used for storing the compound donkey-hide gelatin slurry to be treated, and the feed pump is used for conveying the compound donkey-hide gelatin slurry to the preheater for preheating. The equipment has the advantages of energy saving, environment friendliness, low operation cost, small area occupation and high automation degree.