Then miscella enters into stripper in which residual solvent in oil will be removed, the export temperature reaches to about 105℃ and the general volatile of the extracted crude oil is less than 0.30%. In the past people used to extract oil manually but this has changed over the years although in some countries they still use the traditional methods of oil extraction. This implies that the final product will be compromised and will not be as pure and excellent as the one that has been produced at low temperatures in a vacuumed environment. Stripping and analyzing share one condenser, the non-condensable gases from extractor and other condensers enter into the vent gas recovery system through the final condenser. Edible oil solvent extraction plant processing flow chart: The main systems of the solvent extraction plant. There are perhaps 55 commercial-scale plants in the USA. Using the secondary steam desolventized from DTC desolventizer and produced by steam-jet pump to heat and evaporate micella in the first long-tube evaporator. Main machines used in the solvent extraction plant: (1). Sunflower seeds enter into the box-chained loop type extractor counter-currenting with the solvent, the grease is extracted. 3，Desolventizing process of solvent extraction plant. In addition, it is capable of extracting large quantities of oil provided that you know how to use it well. (7). Figure 1shows a sch… In the recycling system, the cold paraffin will absorb the solvent gas and the final nonsolvent gas will be discharged through fire resistance valve.Paraffin absorbed the solvent gas can be also called rich oil, after heating by oil-oil heat exchanger and steam, the rich oil will enter into desorber for desorption, and into condenser after changing solvent into gas, the final cooled paraffin can be recycled. Direct steam is sprayed into the meals through the bottom holes, and distill the solvent from meal by using steam in order to remove all solvent; Desolventized meals land on the following drying and cooling layer to dry and cool meals, cooled meals land on meal scraper blade from automatic material controlling gate on the bottom of cooling layer, and then they are entered into meal storehouse. Three methods for solvent extraction plant. 2, Evaporation process of solvent extraction plant. 4，Condensation recovery process of solvent extraction plant. (2). The Hexane will be evaporated later from the miscella resulting in unrefined oil. From 20t/day to 600t/day, we use the Rotocel extractor. Extractor is equiped with a seperate condenser, 1st and 2nd evaporation share one condenser. Roary extractor: Spray and soak the pre-pressed cake with solvent so that oil fats can be dissolved in solvent(form miscella). (3). Edible oil solvent extraction plant machine, Waste oil refinery equipment with cap 6-100 MT/D, Hot sale sesame oil cold press machine japan made in China, Yongle Huayin waste rubber processing factory to oil. By condensing the Hexane it can be recycled and used over and over again. Wet meals discharged from the bottom of extractor enter the top of DTDC and land on the predesolventizing trayers where they are heated by the indirect steam, thus, some solvent in meal is evaporated and meal temperature is risen; Predesolventized meals land on predesolventizing trayers where they use the second steam in desolventizing srayers to predesolventize solvent from meal, then, meals enter desolventizing layers in which direct steam is injected.
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