1.Rice Bran Pre-treatment
Adopt the magnetic separation removing iron miscellaneous and vibration sieve removing broken clear, rice Xi, etc.
Adopting the bulking machine can both improve the yield of rice bran oil and reduce the consumption. The extrusion puffing, on the one hand, can make solution lipase in the rice bran passivated under high temperature and high pressure condition,then prevent the rice bran oil rancidity; On the other hand, the extrusion puffing can make rice bran be porous mateial grain, and increases the materials bulk density, then improve the permeability and leaching rate which solvent reacts to the material.
The puffed rice bran contains about 12% water, and the best moisture for leaching process is 7-9%, therefore, there must be effective drying means to achieve the best leaching moisture.Adopting counter-current dryer can make water and temperature meet with follow-up process requirements, and improve the oil yield, as well as oil quality.
Features of pre-treatment workshop:
1.Different combinations of process can process various oil plants in one workshop.
2.Use special intensified pretreatment technology for aroma peanut oil to make it more aroma.
3.Adopt advanced and reliable shelling technology to meet higher requirements for protein content in meal.
4.Extrusion treatment is used for raw materials with hard extraction, large-sized powder, and large capacity, which can reduce residual oil and solvent consumption, and increase the capacity by 50-80%.
2.Rice Bran Solvent Extraction
Rice bran oil is the most healthy edible oil in daily life.It has high content of glutamin,which is effectively in prevent disease of heart head blood-vessel.
Solvent extraction is using oil extraction method and choosing an organic solvent which can dissolve oil, after contacting with pretreated oil– spray or immersion, so that oil can be extracted. As the boliling point of solvent and oil are different, after evaporation and stripping, the solvent are evaporating and we can get crude oil.
And normally solvent extraction workshop process is as followed:
Solvent– Extractor–Mixed oil — 1st and 2nd evaporation — Stripping tower — Crude oil
Wet meal — DTDC — Meal(use as animal feed)
Features of solvent extraction workshop:
1.Adopting negative pressure evaporation can ensure excellent oil quality
2.Extraction system is highly adaptable and can adapt to different raw material
3.All equipment is provided with exhaust gas absorption systems with excellent absorption effect
4.Full energy-saving design utilizes heat energy for many times and saves steam consumption.
3.Rice Bran Oil Refining And Dewaxing
Refining means adopts some physical or chemical methods to remove phospholipid,make the color lighter and cleaner,also remove the bad smell.
Dewaxing means by use refrigerating unit,to remove wax from the oil.
Parameters of refining machine ,oil seed refinery equipment:
|Steam consumption||450KG/T oil|
|Electric consumption||28Kwh/T oil|
|Phosphoric acid||2~3 kg/T oil|
|Circulating water cooling water yield||150m³/H|
|Bleaching earth consumption||5~50Kg/T oil|
|Waste bleaching earth oil content||<35%|
|Deodorization loss consumption||≤0.5%|
1.After refining the impurity of oil must be less than 0.2% ;
2.Recycling system save power and money ;
3.Lower oil waste.
4.No solid sediment in low temperature