Different cooking oil making machine production lines has different functions, they can process different kinds oil seeds.We usually customers’ oil seeds and requirement to design the cooking oil making machine. General speaking , our cooking oil making machine includes for sections: oil seeds pretreatment line, oil seeds press production line, solvent extraction machine and edible oil refinery line. At the meanwhile, we can provide different machines parts.
Oil seeds pretreatment processes main functions are preprocessing the oil seeds in order to extract the maximum oil, and protect machines damage from stone, iron inpurities tec. General speaking, oil seeds pretreatment processes include 8 parts: cleaning, shelling, separating shells and kernel, crushing, sofening, puffing, flaking, cooking.
However, it is not said all the oil seeds need the 8 processes. For example, like sunflower seeds and peanut , they are with shells, so they are required to shell. But for soybean , it is contains high protein and it is big size, so its pretreatment is required to crushing and softening. Regards rice bran, it is a powdered form in normal situlation, before solvent extraction, it should be pretreated to pellets.
In a word, different oil seeds, the pretreatment processes may be a little different.
In daily businesses, we have met some customers, who want to process 2 or 3 kinds oil seeds. we will according to their raw materials to collocate the pretreatment production line, because some parts can be shared , some parts can not.General speaking, we don't suggest customers to process more than 3 different kinds oil seeds, because it is not economic and bad for machines service life in long terms.
Our oil seeds pretreatment processes line can be processed 5tons-2000tons oil seeds. Different capacities, the prices are quite different. So before discuss the details, please provide us your materials and capacities. If you are the first time to contact the cooking oil production , welcome to tell us your ideas, we will provide you more professional advices.
As we introduced before, excepted the oil seeds prepress line and we also can supply the oil press line.
Oil press machine and oil prepress machine is same looking in apperance, just their internal structure is a little different . Put simply, the oil prepress is used for processing large capacity oil seeds, its oil residue is 12%-15% , the we will use the solvent extract line to extract the rest oil out. The oil press is for pressing small capacity, the oil residue is 5%-6%.
In fact, we have two methods to extract oil out , one is by pressing method, the other is by solvent extraction method. Oil seeds prepress is make the preparation works for solvent extraction. Because by pressing method, the final oil residue is 5%-6%. If you process large capacities and different kinds oil seeds by pressing method , it will be a big loss for customers. So general speaking , if the customers process large capacity oil seeds, we will adopt solvent extarction method, its final residue is less than 1%.
What is solvent extraction?
Solvent extraction method is utilizing the solvent which can dissolve the oil fat, through wetting, permeating and molecular diffusing principle to extract the oil out from the oil seeds, then separating the crude oil from the miscella of oil and solvent.
Solvent extraction plant can extract the 20% oil out maximum, this is why required some high oil content(30%-50%) oil seeds prepress a part oil out out before materials enter into the solvent extraction plant.
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Different cooking oil making machine production lines has different functions, they can process different kinds oil seeds.We usually customers’ oil seeds and requirement to design the cooking oil making machine. General speaking , our cooking oil making machine includes for sections: oil seeds pretreatment line, oil seeds press production line, solvent extraction machine and edible oil refinery line. At the meanwhile, we can provide different machines parts.
High oil content oil seeds is that seeds oil content exceed 20%. General speaking , it includes peanut, sunflower seeds, cottonseed, corn germ , rapessed, canola, palm , palm kernel, sesame tea seed etc.
Low oil content oil seeds is that oil content is less than 20%, such as soybean , rice bran, wheat germ, grape seed, vegetable oil cakes.
Crude vegetable oil is the oil from various kinds oil seeds, like the crude soybean oil , crude peanut oil, crude palm oil, crude sunflower oil, crude corn oil, etc. Most customers will buy the crude oil, then refine it to high quality salad oil.
Waste cooking oil , fried cooking oil, animal fat, jatropha, various kinds oil seeds , crude vegetable oil,waste vegetable oil.
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