How to make starch from sweet potato sweet potato starch extraction



Sweet potato starch is one of the main products of sweet potato processing. Sweet potato starch can be divided into two kinds: fresh sweet potato and sweet potato dry processing. However, the quality of fresh sweet potato starch is better than that of dry sweet potato starch, so the Sweet potato starch making machine processing of fresh sweet potato starch is more. Because sweet potato cutting is more troublesome, few people now use sweet potato dry to process starch. The starch content of sweet potato generally ranges from 20% to 28%, so the differences of extraction of starch from sweet potato may exist.
Now the next will introduce the machine used for How to make starch from sweet potato. The whole process mainly includes sweet potato washing and cleaning, sweet potato crushing, starch slurry extraction and concentration, starch slurry dehydrating, starch drying, starch sieving and packing.

Procedure 1: sweet potato cleaning and washing
Sweet potato cleaning machine: sweet potato will cleaned by this machine. The How to make starch from sweet potato machine will rotates its spirals to clean sweet potato and remove some peels of sweet potato.
Rotary washing machine: the machine adopts counter-current washing principle, so sweet potato can flow in opposite direction against water, which can make the washing effectively.
Procedure 2: sweet potato crushing sweet potato rasping machine: the machine can crush sweet potato into a kind of mush with high efficiency. Compared with other rasping machine, the rasping machine has high crushing coefficient. The machine plays a key part in the process for extraction of starch from sweet potato.
Procedure 3: How to make starch from sweet potato Centrifuge sieve: the machine is one of machines for extraction of starch from sweet potato. The machine has fine screen mesh, which can screen fiber from starch slurry.

Fine fiber sieve: this machine is mainly used for separating small fiber from starch slurry according to its own gravity and centrifugal force. After removing some fiber, there are still fine fiber left.Disc centrifuge: Disc centrifuge is a kind settling centrifuge, which is usually matched with hydrocyclone unit. The machine can separate some cell liquid and protein. So the How to make starch from sweet potato machine  can be used for enrichment and purification of starch slurry.
Hydrocyclone unit: The separation system of the machine consists of three steps: concentrating, recovering and washing. So the machine is a key part in the extraction of starch from sweet potato.
Procedure 4: sweet potato starch dehydratingStarch vacuum filter: The machine is used for starch dehydration. The rotating drum speed can be controlled, and it is equipped with reciprocating paddle stirrer to prevent starch deposition. And the machine dewater starch with high efficiency.

Procedure 5: sweet potato starch dryingFlash dryer: In the process for extraction of starch from sweet potato, flash dryer adopts negative pressure and cooling system, so it can control the loss of starch and guarantee the environment of the workshop.
Procedure 6: sweet potato starch sieving and packingAfter drying, the starch which has dried will be fed into starch sieving machine, then the finished starch will be packed by automatic sieving machine, which can save labor and time.
And the whole How to make starch from sweet potato process for extraction starch from sweet potato contains such machines as sweet potato cleaning machine, rotary washing machine, sweet potato rasping machine, centrifuge sieve, fine fiber sieve, disc centrifuge, peeler centrifuge, vacuum filter, flash dryer, starch sieving machine and automatic packing machine.
All in all, these are the main extraction of starch from sweet potato machine of How to make starch from sweet potato.
The sweet potato starch preparation solution is generally that the production process of sweet potato starch is a physical separation process, which separates the starch from cellulose, protein, inorganic substance and so on. In the process of potato starch production, since starch is not dissolved in cold water and its specific gravity is larger than that of water, special mechanical equipment can separate starch from the suspension of water, thus the purpose of recovering starch is achieved.

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