Shandong Leader Machinery Co.,ltd. Computer optimize esign,3-beam, 4- column, structure, simple but with high performance ratio.Seed Hydraulic Press Machine Catridge valve intergral unit equipped for hydraulic control system rice bran oil machine from china, reliable, durable and less hydraulic shock, with shorter connection pipeline and fewer releases points.Seed Hydraulic Press Machine Independent electrial control, reliable, audio-visual and convenient for maintenance.Seed Hydraulic Press Machine Centralized button control system, with adjustment, hand semi auto operation modes at operator's choice. Fixed stroke forming process rice bran oil machine from china or fixed pressure forming process selected through control panel, with pressure hold and time delay functions.Shandong Leader Machinery Co.,ltd. The operating force, no load traveling and low speed movement and travel range can be adjusted subjuce to technological requirements.rice bran oil machine from china Widely used to press many kinds of high oil content seeds, such as walnuts, cocoa liquor, shea butter, coconut milk, sesame, sunflowers, peanuts/groundnuts, almonds ,cashew nuts, tea-seeds, etc.
rice bran oil machine from china
Basing on the traditional oil refining technology, Shandong LD Grain and Oil Machinery Co.,Ltd has developed the latest combined packing layer plate deodorization soft tower and the physical and chemical mixed refining technology for crude oil of any quality. Moreover, a series of advanced technology and equipment are used, such as super wet deguming, bleaching earth automatic metering, negative pressure decoloring, high vacuum steam jet deodorization, deacidification, winterization dewaxing etc.. With advanced technology, superior equipment, full-automatic control and excellent economic and technical parameters, our equipment can meet customers' different refinery equipments at home and abroad.
Continuous Oil Refining Process Introduction
Alkali hot water
Crude oilâfilterâmixâreactorâmixâreactorâcentrifugal separationâoil residue
Phosphoric acid hot waterâmix â
degumming oilâcoolerâdryâcentrifuge separationâmixâalkali liquor
â vacuum steam jet pumpâsteam citric acid
bleaching earthâmixâdecoloringâfilterâdecoloring oilâmixâheat
Main Processes Introduction
Hydration Deguming & Alkali Refining Deacidification Process
Neutralization: the crude oil is output by the oil feed pump from the oil tank, and next enters the crude oil heat exchanger to recover part of heat after metering and then is heated to the required temperature by the heater. After that, the oil is mixed with the metered phosphoric acid or citric acid from phosphate tank in the gas mixture (M401), and then enters the conditioning tank (R401) to make the non-hydratable phospholipids in oil change into the hydratable phospholipids. Add the alkali for neutralization, and the alkali quantity and alkali solution concentration depend on the quality of the crude oil. Through the heater, the neutralized oil is heated to the temperature (90Â°C) suitable for centrifugal separation to remove the phospholipids, FFA and other impurities in the crude oil. Then the oil goes to the washing process.
Washing: there is still about 500ppm soap in the neutralized oil from the separator. To remove the remaining soap, add into the oil about 5~8% hot water, with water temperature 3~5 Â°C higher than the oil generally. To achieve more stable washing effect, add phosphoric acid or citric acid when washing. The re-mixed oil and water in the mixer is heated to 90-95Â°C by the heater, and then enters the wash separator to separate the remaining soap and most water. The water with soap and oil enters into oil separator to separate out oil in the water. Further catch the oil outside, and the waste water is discharged to the sewage treatment station.
Vacuum drying stage: there is still moisture in the oil from the wash separator, and the moisture will affect the stability of the oil. So the oil at 90Â°C should be sent to vacuum drier to remove the moisture, and then the dehydrated oil goes to the decoloring process. Finally, pump out the dry oil by canned pump.
Continuous Refining Decoloring Process
The main function of decoloring process is to remove oil pigment, residual soap grain and metal ions. Under negative pressure, the mechanical mixing method combined with steam mixing will improve the decoloring effect.
The degummed oil firstly enters into the heater to be heated to the appropriate temperature (110Â°C), and then goes to the bleaching earth mixing tank. The bleaching earth is delivered from the low bleaching box to the temporary tank by wind. The bleaching earth is added by automatic metering and is interlockingly controlled with the oil.
The oil mixed with the bleaching earth overflows into the continuous decolorizer, which is stirred by non-powered steam. The decolored oil enters into the two alternate leaf filters to be filtered. Then the filtered oil enters the decolored oil storage tank through the security filter. The decolored oil storage tank is designed as the vacuum tank with the nozzle inside, so as to prevent the decolored oil contacting with the air and influencing its peroxide value and color reversion.
Continuous Decoloring Process Features:
1. The oil fully contacting with the decolorant can improve the decolorization efficiency and reduce the usage of decolorant;
2. The continuous and uniform material flows will balance the decoloring time and avoid the recovery of grease oxidation and acid value.
3. The special mixing structure of decoloring tower won't cause the material dead area, which can avoid the adsorbent sedimentation and pipe blockage.
4. The continuous airtight efficient filtration equipment has realized the automation of cake discharge and reduced the labor intensity.
5. The advanced drying technology can reduce the oil content in filter cake.
Continuous Refining Deodorizing Process
The qualified decolored oil enters into the spiral plate heat exchanger to recover most of the heat, and next goes to high pressure steam heat exchanger to be heated to the process temperature (240-260Â°C) and then enters the deodorization tower. The upper layer of combined deodorization tower is the packing structure which is mainly used to remove the odor producing components such as free fatty acid (FFA); the bottom layer is the plate tower which is mainly for achieving the hot decoloring effect and reducing the peroxide value of the oil to zero. Oil from the deodorization tower enters into the heat exchanger to recover most of the heat and makes further heat exchange with crude oil, and then is cooled to 80-85Â°C through the cooler. Add the required antioxidant and flavor agent, and then cool the oil below 50Â°C and store it. Such volatiles as FFA from the deodorizing system are separated by the packing catcher, and the separated liquid is FFA at low temperature (60-75Â°C). When the liquid level in the temporary tank is too high, the oil will be sent to the FFA storage tank.
Automatic Control System
Our company has applied the automatic control system with advancedness, security, reliability into the pretreatment, extraction, refining and fractionation in large oil plants. For its application in automatic control system, it can control the production in the entire workshop and monitor the operational status of each device by controlling the computer terminals in the room. One person only can operate the entire workshop, with efficient production management. It has reduced the production cost greatly and improved the management efficiency.
Shandong LD Grain&Oil Machine Co.,Ltd has applied the automatic control system with advancedness, security, reliability into the pretreatment, extraction, refining and fractionation in large oil plants. For its application in automatic control system, it can control the production in the entire workshop and monitor the operational status of each device by controlling the computer terminals in the room. One person only can operate the entire workshop, with efficient production management. It has reduced the production cost greatly and improved the management efficiency.
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Oil Press Machine Hot&Cold Screw Oil Press Machine Seed Hydraulic Press Machine is suitable for producing vegetable oil applying psysical pressing method. Shandong Leader Machinery Co.,ltd. is widely used to produce sunflower oil, peanut oil, canola oil, rapeseed oil, soya oil, sesame oil, peony seed oil and safflower oil etc. rice bran oil machine from china 15 years continuous R&D investment in all product series. Adopting advanced production equipment Seed Hydraulic Press Machine and famous brand components in drive system, electric parts and operation parts. Our hydraulic press machine Seed Hydraulic Press Machine has the advantages of high pressure, high oil yield, compact structure and controlled heating. Besides, Shandong Leader Machinery Co.,ltd. is not only highly efficient and energy saving, but also environmental friendly and clean. rice bran oil machine from china is easy and safe to operate the oil press, which dramatically reduces labor intensity. rice bran oil machine from china can be widely used in the pressing of oil plants such as sesame, soybean, peanut, flax, walnut kernel, tea seed, almond kernel and pine nut(removing the peel will get better effect).
If you have any demand about microwave drying equipment and edible oil refining equipment, pls feel free contact us any time.
NOTE:We can specially design the machine according to your production's features.