Palm oil is widely used in the world for cooking and food manufacturing, it is used as cooking oil, crunchy fat oil and margarine, like other edible oils, palm oil is easily digested, absorbed, and promotes good health, palm oil is an important constituent of fats, and has mild properties that make it a good ingredient for food manufacturing. From the combined composition of palm oil, it appears that its high solid nature glycerol content allows food to avoid hydrogenation and remain smooth and effective in resisting oxidation, it is also suitable for hot climates as a good accompaniment to pastry and bakery products, Malaysia and Indonesia are the world's leading producers of palm oil, these two countries account for more than 80% of the global production of palm oil.

According to the relevant standards, palm oil for consumption must be refined. Unrefined palm oil contains a large number of free fatty acids, gums, pigments and other impurities, once heated oil that is discolored, produce huge fumes, the cook and the health of the consumer will be damaged; second palm oil refining equipment to remove harmful substances at the same time, but also better preservation of oil in the Vitamin A and Vitamin E and other nutrients, to improve the quality of palm oil; and then there are chemical industry, food industry and the oil required for catering industry. The melting point of palm oil required for chemical industry oil, food industry oil and catering industry oil is different, and the effective way to adjust the melting point of palm oil is to carry out palm oil refining process production line processing.

Palm oil refining equipment needs to go through the following six processes:

1. Filtration process:

the oil will be heated through the high temperature stirring to remove the foam in the oil, and then add 0.1% to 0.2% of the oil weight of phosphoric acid for stirring, stirring time control in about 30 minutes.

2. Add alkali neutralization process:

it is to mix 0.5% of liquid effervescent alkali and 1.5% of liquid caustic soda of oil quality, and then carry out alkali refining treatment after mixing.

3. Static precipitation process:

after adding alkali neutralization reaction will be heated to 50 to 52 ° C, stirring again for about 10 minutes, such as the liquid oil soap completely separated from the liquid to stop stirring and stand for 6 hours can be separated from the oil soap.

4. washing process:

the oil soap separation of the net oil again for heating and adding 90 ° C saline water mixed with 30 minutes after the discharge of waste water inside, and then add 15% of the net oil content of the boiling water again and discharge the boiling water, grease machinery many times to repeat these steps two or three times.

5. Decolorization process:

the net oil after alkali refining and washing treatment is sucked into the pre-decolorization pot for pre-decolorization treatment, at this time, the vacuum should be controlled above 99kP, the temperature is cooled down to 70°C, and then sent to the filter press for filtration through the gear pump.

6. Deodorization process:

it is to remove the colored impurities in the oil and grease through the joint action of direct steam and indirect steam.

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