Techniques for peeling green walnuts: natural shade drying, artificial peeling, artificial ripening, mechanical peeling, and boiling water soaking.
1. Natural drying in the shade
Choose healthy, disease-free, insect-free walnuts with intact epidermis. After natural drying in the shade for a few days, the epidermis will become wrinkled and shriveled, and the green skin will naturally become dry with the nuts. Off the bone.
2. Manual peeling
Use a knife to peel off the large pieces of green skin, then use an iron brush with water to continue brushing the remaining residual green skin, and finally use a fine needle and a toothbrush Clean carefully. It is best to wear rubber gloves during the entire process, otherwise the skin on your hands will be stained black.
3. Artificial ripening
Spray 200 times of "Ethephon" solution evenly on the green skin. After one day, the green skin will automatically separate from the bone.
4. Mechanical peeling
Put the green walnuts into the green walnut peeling and cleaning machine, which can be peeled and cleaned at the same time. It integrates green walnut peeling, thickness and fine washing, and is processed It is highly efficient and can be operated by two people. It can process about 500kg of green walnuts per hour.
5. Soaking in boiling water
Another simple and efficient way is to soak in boiling water. Add a small amount of salt when soaking, and soak the green-skinned walnuts in boiling water for two hours. After taking it out, you can easily peel off the skin with a knife.