| Customization: | Available |
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| Type: | Pressing Machines |
| Application: | All |
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Main Projects Scope:
| Project name | capacity | suitable for raw material |
| oil pressing production line | 10--800t/d | sunflower seed, soybean, peanut, sesame, corn germ, tea seed, rapeseed, cottonseed, etc |
| oil solvent-extracting production line | 30--800t/d | pressed oil cake, soybean flakes, rice bran pallet, etc. |
| oil refining production line | 3--500t/d | all kinds of vegetable oil, animal oil, etc. |
| palm oil mill production line | 5t/h-90t/h | palm fruit bunch |
| oil fractionation production line | 20--500t/d | refined palm oil |
| Oilseeds protein, phospholipids | 50--500t/d | soybean meal, etc. |
| Natural pigment extraction production line | 30--500t/d | piment, vegetable , etc |
| grain deep processing line | 20--1000t/d | corn, wheat, beans, etc. |
The harvested walnuts are put into the walnut hulling machine to remove the walnut hulls.
This walnut processing machine integrates the functions of hulling and washing. It adopts a high-speed rotating hob to cut off the hulls. The uncut hulls are removed by the steel brush in the walnut machine. The hulled walnuts are washed to remove the mucus on the surface.
The hulled walnuts are first graded by the walnut grading machine and then cracked by the walnut cracking machine. The walnut cracking machine adopts rollers to crack the walnuts. The mixture of walnut shells and kernels is separated by the walnut shell and kernel separator.
Walnut oil production line equipment can use cold pressing, hot pressing, and double pressing methods to obtain walnut oil. Maximize walnut oil production and ensure oil quality.
The filtered walnut oil is refined by the refining equipment to increase the quality of the oil. By degumming deacidification bleaching and deodorization, the impurities in the crude walnut oil are removed.
Adjust the oil temperature to about 60°C, then add 20-30Be alkali solution (1kg caustic soda + 5kg water alkali solution) within 5-10 minutes, stir at 60r/min for 5-10 minutes, and observe After the reaction, the soap particles form a separation state and begin to slowly heat up. Change to slow stirring speed and increase by about 1°C per minute. When the temperature reaches 65°C, the separation of oil and soap is obvious. Stop stirring and start to precipitate the soap stock. It usually takes 4 -The soap stock is released after 6 hours.
After releasing the soap stock, the oil will further heat up to 75°C, and then add hot water greater than 5% of the oil weight for washing. Stir when adding water. The water temperature should be 5-10°C higher than the oil temperature. If the water temperature is too low, it will easily emulsify; add After finishing the water, continue stirring for 5 minutes, then let it stand for 3-4 hours, release the soapy water, and wash repeatedly 1-2 times, depending on the quality of the clear oil.
Turn on the vacuum pump to make the vacuum >=700mmHg; first suck the washed alkali-refined oil into the decolorization tank, start stirring and raising the temperature in the vacuum state, and continue stirring for 10 minutes after the temperature reaches 100°C to reduce the moisture in the oil to 0.1% below, then inhale a small amount of decolorizing agent (white clay or activated carbon). The amount added depends on the oil, generally 2%-4% of the oil. After stirring for 20 minutes, cool down to about 90°C, break the vacuum, and open the decolorizing pump to filter The machine separates oil and soil to obtain decolored oil.
The decolorized oil is sucked into the deodorization tank from the vacuum. When the vacuum degree reaches 755mmHg and the temperature is above 150ºC, open the bottom to directly steam to start distillation and deodorization, and start timing:
a. Deodorization time: 2-3h.
b. Deodorization temperature: 220ºC-240ºC.
c. Deodorization vacuum degree: above 755mmHg.
d. The entire process must be directly steam distilled.
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