Production of White Potato vermicelli
1. Main equipment. Potato washing machine, refiner, pulping separator, sand remover, filter, thickening machine, dough mixer, vermicelli machine.
2. Process flow. Fresh potatoes → washing potatoes → grinding → purification and decolorization treatment → vermicelli molding → cooling → drying → packaging → finished products
3. Operating points
(1) Material selection: potato with high starch content and no rot is selected. Generally, every 5-6 kilograms of fresh potatoes can process 1 kilogram of refined white starch or vermicelli. (2) Potato washing: pour fresh potatoes directly into the hopper of potato washing machine, start the machine to supply water, stir and wash through the machine, convey, and automatically enter the grinding separator. (3) Pulp grinding and separation: crushing fresh potatoes by a pulp grinding separator, washing and filtering again, so that starch in potatoes is fully eluted. (4) purification and decoloration treatment: adding edible decoloring agent No. 1 into starch milk, stirring and desanding by a desander, adding edible decoloring agent No. 1, adding water, filtering once by a 1000-mesh filter, precipitating, dewatering and powdering; adding water to stir evenly, filtering by a 140-mesh screen, and powdering after precipitation to obtain refined white starch. (5) vermicelli molding: take the right amount of water and starch into the dough mixer, and then add the boiling agent to stir well. Then pour the good flour paste into the fan machine, so that the fans shape. (6) Cool and cool: Spread the formed vermicelli in a cool place to avoid direct sunlight and wind. After 5-8 hours of spreading, the powder can be opened and put on shelves for drying. drying until the moisture content is 16%, collecting powder, and packaging to obtain the finished product.
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potato intercropping model
In order to improve the utilization rate of land and increase farmers 'income, several intercropping models with potato as the main planting variety are introduced for farmers' friends and grassroots leaders to refer to in agricultural structure adjustment. 1. Potato cotton potato germination in late January, late February sowing, the use of plastic film mulching cultivation. Zhengyin No. 5 and Zhengyin No. 7 virus-free potato bred by Zhengzhou Fruit Research Institute of Chinese Academy of Agricultural Sciences were selected as varieties, and Biaoza A1 with big and disease resistance was suitable for cotton varieties. Potatoes are planted in double rows with high ridges and 8 wide rows
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Potato hollow heart disease
(disease diagnosis) occurs more frequently in larger potato lumps. At the beginning, the central tissue of potato blocks was waterlogged or transparent, and brown necrotic spots appeared in some centers. In the later stage, a cavity was formed near the center of the tuber. Most of the cavities are lens-shaped or star-shaped, and their edges are mostly angular; some cracks appear in the interior of the tuber; and some hollow shapes are spherical or irregular. The inner wall of the cavity is white, light brown to straw yellow, forming an incomplete cork layer. Usually, the cavity expands as the tuber grows. Sometimes mold can be seen in the hollow, but rarely.
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