Capacity: 2 T/*4 hr Technological
process: Hair oil?Water
washing?Dephosphorization degumming?Bleaching?Continuous physics
deodorization?to fractionation and dewaxing workshop
Brief Introduction: 1.Refining pots and soap
stock pot Refining pot: also
namedDephosphorization and deacidification tank, under****0°C, it
occurs acid-base neutralization reaction with sodium hydroxide,
After stirring by reduction box, it can decrease the acid value in
oil and separate the impurity, phospholipid which will enter into
soap stock. The oil can be refined further. 2.Bleaching pot
part Bleaching pot: Also named
bleaching, dewatering pot, it removes water from oil by vacuum. The
bleaching earth is breathed into bleaching pot, after stirring,
filtrated by filter and change the color of the oil. 3.Vertical blade filter
machine Equipped with vertical leaf filter
to remove used bentonite from the oil, operating conveniently and
continuously, low laboring tense, keeps environment well, keeps oil
residence in deposable bleaching earth in low level. 4.Blade vibrate
filter The qualified decolored oil enters
into the spiral plate heat exchanger to recover most of the heat,
and next goes to high pressure steam heat exchanger to be heated to
the process temperature (******0°C) and then enters the
deodorization tower. The upper layer of combined deodorization
tower is the packing structure which is mainly used to remove the
odor producing components such as free fatty acid (FFA), the bottom
layer is the plate tower which is mainly for achieving the hot
decoloring effect and reducing the peroxide value of the oil to
zero. Oil from the deodorization tower enters into the heat
exchanger to recover most of the heat and makes further heat
exchange with crude oil, and then is cooled to ****5ºC through the
cooler. Add the required antioxidant and flavor agent, and then
cool the oil below *0ºCand store it. Such volatiles as FFA from the
deodorizing system are separated by the packing catcher, and the
separated liquid is FFA at low temperature (****5ºC). When the
liquid level in the temporary tank is too high, the oil will be
sent to the FFA storage tank.
