1.Screening:Removing the chaff and broken rice in the rice bran, in case of they will influence the oil yield and the desolvent of wet meal in the next process. In the process of puffing section, the general requirement of impurity is less than 3%, and the requirement of crude fiber is about 8%.
2.Magnetic separation :Clearing the iron impurity which migLD be in the rice brain. Since in the process of puffing, the iron impurity will be harmful to the screw of extrusion machine, affect the puffing effect. As the rice brain particles are small and poor liquidity, the iron impurities are always be wiped off by the magnetic barrels installed in the feeding port.
3.Quenching and tempering :it is the process of preheating so that to improve the temperature of the rice bran before puffing. After quenching and tempering the temperature will be controlled at 65--75 °C, and the moisture will be controlled at 10 ~12%. Thus, on the one side, it can increase the output of the extrusion machine, and on the other side, it can improve the quality of the puffed rice bran.
4.Puffing: the rice bran is injecting high pressure steam and high temperature water through the extrusion machine, so that it can improve the temperature and moisture in the extrusion machine,and can also form the high pressure to process the rice bran. All these can make the the rice bran become porous columnar structure from the original pulverized state.All these effectively passivate the activity of various of enzyme in the rice bran, and destroy the fat layer structure, so that it will be easier for the oil yield.
5.Drying:The moisture of puffed material comes from the extrusion machine is too big and the temperature is too high for direct leaching, the must be experience to process of drying and coo-ling, thus the moisture will reach 7%--9%, and temperature will reach 50-55°C. After puffing, the rice brain are usually dried and cooled by plat dryer.
Full continuous process rice bran oil refining machine,oil refinery equipment plant,Rice bran oil refining machine production line
Introduction of Full continuous process rice bran oil refining machine,oil refinery equipment plant,Rice oil refining machine production line
It adopts advanced plane turning screen and stone separator to clean oil plant, and then crash, flake, cook, mill and filter them. It has advanced techniques and high automatization level.
Working process of Full continuous process rice bran oil refining machine,oil refinery equipment plant,Rice oil refining machine production line
a. Decolor tank is for bleaching grease;
b. Deodorizing tank is for deodoring grease (stainless steel);
c. Conducting oil furnace provide thermal enerLD need for production, the temperature reach to 280 degree;
d. Vacuum pump provides vacuum for bleaching, deodorization which can reach 755mmhg or more;
e. Air comperssor can dry the bleached clay;
f. Air press is for filter clay;
g. Steam generator can generate steam distillation required;
h. This kind of oil refining equipment make the oil reach the standard level national edible oil.
Technical parameters of Full continuous process rice bran oil refining machine,oil refinery equipment plant,Rice oil refining machine production line
a. Steam consumption:450kg/t oil
b. Electric consumption:28kwh/t oil
c. Phosphoric acid:2-3kg/t oil
d. Circulating water cooling water yield:1503/h
e. Bleaching earth consumption:5-50kg/t oil
f. Waste bleaching earth oil content:
g. Deodorization loss consumption:
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