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soybean oil making machine

Soybean-oil-making-plant

1. Soybean oil processing mill flow:

 

2. Crude oil refining process for soybean oil processing mill:

♥ Acid reaction process

Oil temperature can be adjusted by screw plate heat exchanger. When the temperature is heated to about 80℃, mixing about 85% food grade phosphoric acid into acid reaction tank for reacting.

♥ Neutralization process

In neutralization section, adding alkali liquor with appropriate concentration into the degummed oil which have proper temperature, then degummed oil enters into the centrifugal mixer for mixing.

♥ Washing process

Neutralized oil come from neutralization separator, still contains about 500 ppm soap. During the washing, hot water will absorb the soap and other impurities in oil, then soap and impurities are separated in washing separator.

♥ Vacuum drying section

The neutralization and washing oil come from the washing separator still contains some water which is adverse to the oil stability.

♥ Bleaching process

The main purpose of this process is to remove the pigments in crude oil and the residual soap in the neutralization oil.

♥ ilteration

Miscella mixed by oil and clay from bleaching tower is pumped into decolorizing filter, then enters into fine filter, in which clay and fixed impurities are blocked.

♥ Deodorization process

Deodorization process aims to remove the FFA and low molecular compounds in bleached oil. Entering into the deodorization process, the flow of bleached oil is controlled by a flow controller, and the oil is heated to250-260℃ through a series of heat exchanger, then the temperature can reach to the condition of deodorizing.

♥ Dewaxing process

Beached sunflowerseed oil enter into crystallizing tank through heat exchanger and begin the cooling crystallization proces,this process is controlled by the computer through the parameters preestablished,the computer controls temperature of circulating water in the frozen coil to comand cooling speed of the oil,thereby receive the best crystal result.

3. Main machine function for soybean oil processing mill:

♥ Decolour tank is for bleaching grease.

♥ Deodorizing tank is for desdorizing grease(stainless steel).

♥ Conducting oil furnace provide thermal enery need for production, the temperature reach to 280℃

♥ Vacuum pump provides vacuum for bleaching, deodorization which can reach 755mmHg or more.

♥ Air compreassor can dry the bleached clay.

♥ Air press is for filter clay.

♥ Steam generator can generate steam distillation required.

♥ This kind of oil refining eqiupment make the oi reach the standard level national edible oil.

 

4. Consumption for soybean oil processing mill:

Steam consumption             450KG/T oil
Electric consumption 28Kwh/T oil
Phosphoric acid 2~3 kg/T oil
Circulating water cooling water yield 150m³/H
Bleaching earth consumption 5~50Kg/T oil
Waste bleaching earth oil content <35%
Deodorization loss consumption ≤0.5%