1.Extractor type and options
Production methods mainly include the batch type and continuous two kinds. According to leaching methods and can be classified into immersion, spray type and hybrid three.
2.Mixed oil evaporation system
The mixed oil concentration:10%-40%
Residual solvent index:(40-1000)ｘ10-6
According to the properties of oil type, mixed oil concentration, crude oil residual solvent index and different heating medium, using different process plan.
3.The wet meal desolventizing
Meal discharge temperature: DTDC Type < 60℃
Desolution equipment are generally designed to exsolution combination device combined with roasted dregs.
4.The solvent recovery system
The solvent recovery:90%-95%
Efficient recovery of solvent in the tail gas are the main measures: to control and reduce the
exhaust volume; reducing the exhaust temperature to reduce the solvent content to reach the emission standards.
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