2015 hot sale high efficiency soybean oil extraction equipment with CE
USD $1,500 - $100,000 /Set
Min.Order:1 Set
Xinxiang Hongyang Oil Engineering Co., Ltd.
Production Description
Solvent extraction process:
Extrusion materials from pretreatment workshop first by the scraper conveyor into sealing ground dragon solvent
gas to escape in case the material into the ring after the drag chain leacher solvent spray water leaching and drain
by freshsolvent spray washing again after the last leaching meal . After eventually drain into the wet meal scraper
conveyor to the DTDC steamed offline thick mixed oil first . After removing impurity liquid rotary separator into
the secondary liquid rotary separator in a steaming into the wet meal
Features of Rotocel Extraction:
1.Adopt stainless steel fixed grid plate and increase the horizontal grid plates,which can prevent the strong miscella
from flowing back to the blanking case, so as to ensure good extraction effect;
2.The rotocel extractor is driven by rack, with unique rotor of balanced design,low rotating speed, low power,
smooth operation, no noise and quite low maintenance cost;
3.The feeding system can adjust the rotating speed of airlock and main engine according to the feeding quantity and
maintain a certain material level, which is beneficial to the micro negative pressure inside the extractor and reduce
the solvent leakage.
4.The advanced miscella circulation process is designed to reduce the fresh solvent inputs,reduce the residual oil in
meal, improve the miscella concentration and save energy by reducing the evaporation capacity.
5.The high material layer of the extractor helps to form immersion extraction, reduce the meal quality in miscella,
improve the quality of crude oil and reduce the evaporation system scaling.
Wet Meal Desolventizing Process:
1.Passivate and damage the anti-nutritional components such as the urea enzyme and trypsin in the meal, and
improvemeal value in use.
2.Control the protein denaturation degree in the meal , and improve the NSI index effectively.
3.It can better regulate the color, flavor and taste of the meal.
4.It can better reduce residual solvent in the meal and regulate the meal moisture, so as to guarantee the minimum
solvent consumption and safe use of the meal.
Negative pressure evaporation process:
The liquid from the extractor is the miscella containing grease and oil,which can be separated out according their
different vaporization temperatures. Our company mainly uses vacuum evaporation technology, and it can reduce
solvent leakage and consumption. The separated solvent vapour is cooled and recycled back to the extractor
for reuse,which can improve the solvent efficiency.
1.Vacuum evaporation features high efficiency, thorough de-solvation and low solvent consumption in crude oil.
2.Use the second steam of desolventizer toaster and remaining steam from steam jet pump as the heat source of
the first steam, which can save energy, reduce the condenser configuration area and save investment.
3.Due to the low temperature of the steam, the crude oil features light color, good quality and low residual solvent.
Moisture of extraction material | 5-8% |
temperature of extraction material | 50-55°C |
oil content of extraction material | 50-55°C |
oil content of extraction material | 14-18% |
thickness of extraction cake | less than 13mm |
powder porosity of extraction material | less than 15% (30 mesh) |
steam | more than 0.6Mpa |
solvent | national standard No. 6 solvent oil |
electric powe | 50HZ 3*380V±10% |
Electric lighting | 50HZ 220V ±10% |
tempreture of supplement water | less than 25°C |
Hardness | less than 10 |
volume of supplement water | 1-2m/t raw material |
temperature of recycle water | less than 32°C |
Solvent condensation & recovery process:
Solvent condensation system combines with evaporation system closely,and evaporative condenser and steam stripping
condenser all work under negative pressure. Non-condensable gas enters the energy saver from the shell of the first
evaporator.In energy saver, noncondensable gas exchanges heat with condensate from the evaporative condenser.
Finally,the condensate temperature discharged from energy saver is increased, and the solvent separated from water
goes to solvent holding tank.The high temperature makes it unnecessary to be reheated for the recycling, so as to save
energy. Non-condensable gas from energy saver enters desolventizing condenser, in which a great deal of gas is
condensed, and the tail gas is discharged into the final condenser.The solvent gas from the extractor enters extraction
condenser, and the non-condensable tail gas enters the final condenser. For the free gas in final condenser,
diversion box, holding tank, underground solvent library and miscella tank, cool them with low-temperatured cold
water to recycle most of solvent gas. The tail gas with little solvent goes to paraffin recovery process.
Paraffin oil recovery process:
Tail gas first enters paraffin absorption tower,and then comes the countercurrent absorption of paraffin and tail gas,
which can reach the ideal state when the stainless steel packing has large surface area. The solvent content in
discharged liquid paraffin(called rich oil) is not more than 5%, so as to ensure the maximum absorption rate. The
paraffin rich oil is pumped into the heat exchanger to exchange heat with paraffin lean oil, and then goes to
paraffin heater, and finally enters paraffin analysis tower.In the analysis tower, the steam-liquid heat exchange is
conducted on the surface of stainless steel packing surface with direct steam and rich-oil paraffin, which can
remove the solvent in the paraffin. This kind of paraffin, also called lean oil,exchanges heat with rich oil, and then
is cooled to the ideal absorption temperature through the cooler.Next, it enters absorption tower for recycling. The
gas mixture from the analysis tower enters energy saver, and the tail gas from the absorption tower is discharged
from workshop with the fan.I n solvent recovery system, the solvent enters the holding tank through water tank,
and the condensed waste water is discharged from water tank. If the tail gas contains certain solvent, cook it
with the cooker to make it meet the emission requirements.
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