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Soybean oil pretreatment

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For soybean oil production, normally we use soybean oil pretreatment withou soybean oil press machine, because soybean oil contain is less than 20%

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For soybean oil production, normally we use soybean oil pretreatment withou soybean oil press machine, because soybean oil contain is less than 20%, if with soybean oil press machine , there is about 6-8% oil residue inside pressed cake. Thinking about cost performance, we recommend that soybean oil production line includes soybean oil pretreatment , soybean oil extraction and soybean oil refining. 

Here we introduce you soybean oil pretreatment line.
 
Soybean oil pretreatment process


Soybean seeds→ magnetic separator →vibrating screen → Destoner→ softening→ crushing → flaking→ drying→ for extraction

1. Using magnetic separator to remove all iron impurities, destoner to remove small stones and vibrating screen to remove other impurities , 
2. Using softening kettle to adjust moisture and temperature in order to change soybean physical characters to make soybean flexible and workable
3. Using crushing machine to crush soybean oil into 4-8 pieces easier for next steps
4. Using flaking machine to destory soybean cell texture and increase area of soybean in oder to shorten the road of extracting oil from soybean.  Flake soybean into 0.25-0.3mm , even ,thin pieces with less powder
5. Using plate drying machine to dry flaked soybean pieces with moisture about 9%, then soybean pieces will be sent to oil extraction.

Soybean oil pretreatment is very important for oil extraction. Good soybean oil pretreatment has good penetrability , easier for solvent to extract oil, oil residue inside meal will be less.

Application
Soybean oil pretreatment is first and basic step in soybean oil production, is applicated in proper soybean oil prodcution plant, need to be used together with soybean oil extraction and soybean oil refinery. 

If you want to produce low temperature soybean meal or soybean concentrate protein, please contact us for more information.
 

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