Sweet potato starch is one of the main products of sweet potato processing. Sweet potato starch can be divided into two types: fresh sweet potato and dried sweet potato. However, the quality of fresh sweet potato starch is better than that of dried sweet potato starch, so the current sweet potato processing is still dominated by fresh potato processing.
Goodway has many automated processes for sweet potato processing, and the process at the pulp and slag separation stage after crushing is relatively cumbersome. If there is no integrated pulp and residue separator equipment for complete processing, it will result in impure starch, excessive impurities, and excessive fiber, which will greatly affect the taste of starch.
In villages, towns and rural areas, the processing method of sweet potato starch is a bit simple, and many processing steps will be manually operated, which leads to low efficiency of extraction of starch from sweet potato and poor starch separation effect. At the same time, the waste water and a large amount of potato residue will be directly thrown away. No secondary environmental treatment is carried out, which causes a lot of waste and also affects the farmland and the ecological environment.
This tapioca starch processing method is time-consuming and wastes water resources. In order to save water resources, but also to improve starch extraction rate and starch purity, reasonable use of sweet potato starch slurry separator can solve these problems.
After the sweet potato is cleaned and enters the pulverizer, it is decomposed and broken to release a large amount of free starch, which is mixed with water to form a starch slurry. After repeated squeezing and washing, the potato residue is filtered and discharged. However, there is still a large amount of potato residue, fiber, and impurities that enter the next stage of processing equipment along with the material. At this time, it is necessary to use a slurry separator to filter and purify starch.
The separation of sweet potato processing pulp residue is to remove non-starch materials, so the sweet potato starch machine used at this stage is also called starch filtration equipment. Their working nature and purpose are unified, but they are called differently.
At present, there are two main types that are common on the market and have relatively good separation, purification and filtration effects: fine filter and hexagonal microfilter. There are multiple fine filter screens inside the machine, and the mesh number of the screen is different, and the separation effect is also different. Some customers like Goodway are looking for high-end high-quality refined starch, so they will be equipped with 3-4 slurry filters at the same time.
The starch slurry material enters the continuously rolling slurry separator, filters out the larger-particle potato residue and fine miscellaneous fibers through the filter screen, and then flows out through the discharge port. The water pump transports the separated slurry to the next section, which simplifies and speeds the separation of sweet potato starch slurry residue. The filter has high separation efficiency and is very suitable for use in sweet potato processing plants.