The steps to extract rapeseed oil with screw oil press by hot pressing.

6YL-95 screw oil press

Although rapeseed can be hot pressed or cold pressed. For most customers, they will choose hot-pressed rapeseed oil, because the oil yield of rapeseed will be higher. Hot-pressed rapeseed oil requires some treatment of the rapeseed first, so that the effect of hot-pressed rapeseed oil can be better. Next, Benteng Machinery will introduce you some specific processes to extract rapeseed oil with screw rapeseed oil press by hot pressing.

Rapeseed Treatment Before Hot Pressing:Rapeseed washing , softening, grinding and autoclaving.

Instructions for operation.

1.Screen the rapeseed using a sieve to ensure that the amount of impurity of less than 0.5 percent.
2.Then, it will soften the rapeseed, which has an average moisture content of 9percent, then steam the rapeseed until it is a roll.
3.The rapeseed is heated to between 110 and 120 degrees Celsius. The moisture and the content of rapeseed are approximately 1-1.5 percent, and it is able to directly enter the oil press to continue pressing.
4.If you are using an oil cooking pan, you could clean the rapeseed and then add directly into the pan. You can also press the embryo and then add it into the pot while cooking you should add 2-3% of in water, and cook until it reaches 110-120 degrees. The pot is then pressured. In hot pressing these methods are used to determine if the rapeseed has been pressed.

Fry thoroughly.

Utilize two boards of wood to rub seeds of canola. If the kernel and shell are distinct they should have a dark-colored kernel. If the nuts have a powdery appearance, they’re too dry. If the kernels and husks aren’t separated, or if they’re flat, then they’re too wet.

After the above treatment methods for rapeseed, rapeseed will be easier to produce oil when pressed by a rapeseed oil press, and the quality of the extract rapeseed oil will be better. After pressing, the crude rapeseed oil is filtered through a rapeseed oil filter, and then it can be bottled, sold or eaten directly.

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