IPDB › China Industry › Manufacturing & Processing Machinery › Agricultural Machinery
Complete Full Set Cottonseed Oil Extraction Machine Oil Press Processing Line1
Agricultural Machinery, Oil Presser, Oil Extraction Machine, Cottonseed Oil Mill
Henan Jinzheng Grain and Oil Machinery Technology Co., Ltd.
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Product Description Complete full set Cottonseed Oil Extraction machine Oil Press Processing lineProduct Description The common cottonseed oil production line includes three workshops:(There are also other different production craft, our engineers can design the plant according to your requests) 1. Cottonseeds Pretreatment and Prepressing Workshop 2. Cottonseed Cake Solvent Extraction Workshop 3. Crude Cottonseed Oil Refining WorkshopPart 1: Cottonseeds Pretreatment and Prepressing Workshop 1.CleaningUtilizes aerodynamic differences between cottonseeds and impurities for wind-based separation, effectively removing light dust and partial heavy residues like stones.2.DehullingEmploys disc hullers with high-strength alloy steel tooth plates to crush shells through torsional force, offering durability and low maintenance.3.Kernel-Shell SeparationRotating cylinder screens with angled beating rods achieve precise separation through differential rotational speeds and directional impacts.4.FlakingAlloy rollers paired with hydraulic systems destroy cellular structures (flakes ≤0.3mm), while sealed designs minimize solvent loss.5.CookingLayered conditioning pots maintain uniform mixing (5mm blade clearance) and humidity via full-sealing, enhancing flake integrity.6.PressingDedicated cottonseed oil presses achieve 5-8% residual oil with energy-efficient, compact layouts.7.FiltrationAutomatic slag-removal filters recycle residual oil and reduce impurities, supporting downstream degumming. Part 2: Cottonseed Cake Solvent Extraction Workshop Evaporation and Steam Stripping ↑ Cottonseed Flakes→Oil extraction→Mixed oil processing→Crude oi ↓ Solvent collection←Wet cake desolventizing→Finished cakeCottonseed Oil Solvent Extraction ProcessSolvent ExtractionPre-treated meal enters the extractor via a scraper conveyor, undergoing countercurrent solvent spraying (from concentrated to fresh miscella) to maximize oil recovery. Wet meal is discharged through a grid, while purified miscella undergoes hydrocyclone filtration.DesolventizationWet meal is pre-desolventized using indirect steam, followed by direct steam treatment in a DTDC system to remove residual solvent. Moisture-controlled meal is dried, cooled, and transported for storage.Miscella EvaporationTwo-stage long-tube evaporators concentrate miscella via indirect steam, with liquid-level controls ensuring stable flow. Residual solvent is stripped under negative pressure using direct steam in a vacuum tower, yielding crude oil.Solvent RecoveryCondensates from evaporators and strippers are segregated in a water separator, with solvent recycled and wastewater treated via steam stripping. Non-condensable gases pass through mineral oil absorption before safe emission.Part 3: Crude Cuttonseed Oil Refining Workshop 1.DegummingBag filtration removes solids, followed by phosphoric acid mixing and alkali neutralization to eliminate colloids and starch. Automated temperature control ensures precision.2.DeacidificationFree fatty acids are neutralized via alkali treatment, reducing acidity to food-grade levels.3.DecoloringPreheated oil blends with activated clay (50t/day system) for 30-60min adsorption, achieving pigment removal. Armagh filters separate waste clay, with residual particles refined through precision filtration.4.DeodorizationHigh-vacuum steam stripping removes volatile compounds, yielding odor-free oil.5.DewaxingControlled cooling crystallizes waxes, filtered to enhance oil clarity.6.DegossypolSolvent extraction or alkaline refining reduces toxic gossypol to <0.045%, meeting safety standardsInstalled CaseJinzheng Project Dodoma Tanzania600 tons Sunflower Seed Oil Cold Pressing and Refining ProjectZoupin China 600 tons Corn Oil Press ProjectXinji,Hebei400 tons Corn Oil Pressing and Extracting ProjectNeimenggu, China360 tons Rapseed Oil Pressing ProjectWestern India300 tons Cuttonseed Oild Pressing ProjectEthiopian200 tons Rapseed Oil Pressing ProjectVietnam100 tons Cashew Oil Pressing ProjectKazakshtan50 tons Sunflower Seed Oil Press Project Company Profile
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