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1.Introduction
The complete oil prepressing system is for oil extraction from various oil plants such as cottonseed, rapeseed, high-oil sunflower seed, peanut kernel, soybean, etc.
Before prepressing, you have to pretreat oilseed by cleaning, screening separation, washing, hulling, softening, flaking, cooking etc.
After pretreatment and prepressing, you can get crude oil and cake.
2. Features
Compared with single pressing, the process of prepressing-leaching has the following advantages.
a.High quality crude oil
The pressure for prepressing is lower than single pressing therefore the former can get light color crude oil which is good for refining into high quality edible oil.
b.Simple operation
Prepressing has less requirement to oilseed pretreatment. Thicker flakes and shorter cooking time increase the handling capacity.
c.Good for solvent extraction
High moisture prepressing cakes contribute to solvent penetration and improve extraction speed and lower the residual oil in dry meal thus good for desolventizing drying and reducing solvent loss.
d.Long service life of machine spare parts
For prepressing, the pressure in barrel is small, so the vulnerable parts won't easily damage. Usage life can be prolonged.
e.Lowering steam consumption
Prepressing needs low temperature and high moisture which accordingly lower the steam consumption during cooking.
Therefore, prepressing-leaching has more advantages over single pressing, which can effectively improve the crude oil and meal quality thus enhance economic performance.
3.Professional suggestion
Kindly please inform us your required daily capacity, quantity, raw material, covering space and related data,so that we can provide you professional equipment information and design proper oil production line for you. we will suggest economical and reasonable production line for you.
Welcome to contact us and get more information.
Complete oil production line for sunflower and cottonseed oil press