Senior Cooking Oil Refining Deodorization Operation
Decoloring oil is intaked into deodorization pot by vacuum pump. When vacuum degree reaches to more than 755 mmHG, began to distill and deodorization time:
(1) Deodorization time: 4 hours
(2) Deodorization temperature: 240℃/755mmHg 260℃/759mmHg
(3) Deodorization vacuum degree: more than 755mmHg
(4) The whole timing process must be steam distill
(5) After finishing deodorization, shut down direct steam in a vacuum; close the heat conduction oil; open the valve of cooling water; close vacuum pump valve when oil temperature cool down to about 40-80 ℃; after sampling inspection, package in tank barrels. Finish the whole process of senior cooking oil product.
