Using the general processing method, the oil yield of rapeseed is only 30%. Using the following techniques, the oil yield can reach 37.5%.
Screening of sediment and sand to absorb oil will reduce the oil yield. Therefore, sediment should be sieved before processing.
To control the fire, an activity slot can be built on the stove wall and embedded in an active iron plate. When a fire is needed, the iron plate is lifted up to seal the furnace mouth; when the simmer is needed, the iron plate is put down and the air outlet is sealed and opened. Upper stove, control the fire. When the rapeseed is fried until it matures, it is possible to prevent the rapeseed from burning by opening the upper burner and sealing the lower tuyere, thereby increasing the oil yield.
Modified Huo Hu 95 horizontal shaft press, consisting of No. 1 to No. 9 squeezing screw. Among them, No. 5 squeezing screw is smaller than No. 6 and old No. 6 can be used in place of No. 5. This can increase the internal pressure. , Move the oil back 8-10 cm. In this way, 1-2 kilograms of oil per 100 kilograms of rapeseed can be produced.
Hot oil particles are most active at high temperatures. The temperature of rapeseed, which has just come out of the wok, is generally 108°C. Therefore, the amount of fried seeds per pot is best controlled at 40-50 kg, so that with the fry press.
The proper amount of adulterated rapeseed meal has a high oil content, and it slides quickly after being squeezed in the pressing cylinder. The oil is not squeezed out of the cake and is squeezed out. Therefore, 5-7 kg of fresh per 100 kg of rapeseed can be mixed. Miscellaneous, sift to the end of the ash, to increase the pressure inside the squeeze, slow down the sliding speed, it can more oil. In addition can also be the oil after the dregs, oil feet stir into the glutinous rice, sandwiched between the rapeseed and then squeezed, you can also improve the oil rate.
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