Thousands of pieces, also known as bean curd skin, bean curd skin, are a kind of bean products that people like to eat. Generally, for every 50 kilograms of soybeans, about 22 kilograms of tofu skin can be processed; The main processing methods are as follows:

1, clean material: remove impurities such as sand and soil from the soybeans of the current year and wash them with water.

2. Crushing: The screened, picked and scoured soybeans are crushed by a crusher, and the skin of the soybeans is removed or broken into two petals.

3. Soaking: Wash the broken soybeans with clear water once or twice, remove the skin of the soybeans, put them in warm water at 25℃ and soak for about 4 hours. Until you can crush the watercress with your fingers.

4. Pulping: The soaked and broken soybeans are ground with a refiner, and water is added while grinding. The amount of water added is four times that of soybeans.

5. Filtration: The soybean milk ground with water is separated from soybean milk by a separator, and the filter basket in the separator is 80 to 90 meshes.

6. Boiling: Boil the filtered soybean milk with steam, and the heating temperature is generally controlled at about 93℃.

7. Peeling: Pour the cooked soybean milk into a pan. Put the soybean milk into the pan for about 3 to 5 minutes. The surface of soybean milk begins to crust, and when the skin appears small wrinkles, the skin can be taken out.

8. Drying: Hang the wet tofu skin taken out of the pot in the drying room for drying.