Flow chart of palm oil production line:
1.Raw materials reception section
1.1 The FFB bunch are transported to plant by truck, after be weighed by weighbridge, the FFB will be loaded down to FFB loading area.
1.2 FFB will fall down to the FFB loading conveyor through the FFB loading hopper then conveyed to sterilizing station
2. Sterilizing section
The FFB are transported to sterilizer for sterilizing. It use high temperature to soften the fruit and kill the bacteria, this will increase the moisture content of fruit and separte the fruit and separate the fruits easily, so finally it will easy to get oil and separate palm kernel, also avoid the raising of free fatty acid. From picking to sterilizing station, the time shall not over 24 hours.
3. Threshing section
The palm fruit proportion is about 60% of the FFB. In this section, we always use rotating drum thresher to separate palm fruit from the bunches.
The FFB are transported to sterilizer for sterilizing. It use high temperature to soften the fruit and kill the bacteria, this will increase the moisture content of fruit and separte the fruit
4. Pressing Section
Transport the palm fruits to the digester to mix and cook again to separate the palm pulp and nut, the use double screw presser to get crude palm oil, which improve the production efficiencey greatly.
5. Clarification section
The pressed CPO contains some water and other impurities, we need to clarify the CPO into sludge oil and pure oil. The pure oil will be dried then transport to crude oil tank, while the sludge oil will through centrifuge for recovery.
6. Palm kernel recovery section
The pressed palm fiber cake gets into the cake breaker then get into the winnowing system to separate the fiber and nut. Then nut will be crushed to get shell and kernel. Through winnowing and washing system to separate the shell and kernel. The shell ca be used as fuel for boiler, the kernel will be dried for storage.
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Main equipment introduction
The pre-cooling tank used here to decrease the temperature first, which save the cooling time in crystallizer tank.
The cooling oil is directly driven into the crystallizer tank for crystallization. The stirring speed is slow during crystallization, generally 5-8 revolutions per minute, so that the oil is evenly cooked and ideal crystal effect is achieved.
Crystal growth follow by crystallization, which provides condition for the growth of wax.
The crystal oil is filtered by self-pressing first, and when the filtration speed is flow, the variable- frequency screw pump is started, and the filtration is performed when adjusted to a certain rotation speed so as to separate the oil and wax.
The new technical of fractionation invented by our company has high advance technical, stable quality. Compare with the traditional winterization technical of adding filter aid, the new one has characters as follows:
(1) Don’t need to add any filter aid agent, the products are natural and green.
(2) Easy to filter, the product oil has high yield
(3) Pure by-product edible stearin, not contain filter aid agent and can use edible stearin production directly, no pollution.