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| Technology development and industrialization of complete set of large scale intelligent equipment for ethanol leached soybean protein concentrate |
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| DOI：10.12166/j.zgyz.1003-7969/2020.04.007 |
| KeyWord:ethanol leaching method large scale equipment protein concentrate syrup energy balance energy saving and consumption reduction intelligent control |
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| Abstract: |
| A technical equipment for preparing soybean protein concentrate by ethanol leaching method was introduced. The combined extraction of pre-extractor and box-chain extractor was put forward to improve the extraction efficiency, increase the processing capacity of single machine (up to 60 000 t of product per year),thus the large scale problem of single machine was solved. The combination of extruder, horizontal disc dryer and vertical dryer was used to improve the desolventizing capacity.The combination of multi-effect evaporation and concentration was used for evaporation of mixed liquid to save energy,and the steam consumption reduced to 960 kg/t. The vent gas was adsorbed with a series of techniques such as water absorption process to reduce ethanol consumption, and the ethanol consumption reduced to 4 kg/t. Energy was saved by comprehensive energy balance technology in the whole process. Soybean skin was sprayed by by-product syrup to solve the problem of comprehensive utilization of syrup, and the whole process intelligent control was adopted to improve the safety and stability of production. |
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