How to extract potato starch ?

The production process of how to extract potato starch is a physical separation process, which is to separate the starch from cellulose, protein, inorganic substance and so on. By by taking use of the proprety that starch is insoluble in cold water and is heavier than water in proportion, we use special mechanical potato starch machine to separate starch from water suspension to achieve the purpose of recovering starch. The Doing Company hot sale potato roduction line can automatically complete the whole process of cleaning, washing, crushing, separating, concentration and refinement, dehydration, drying and packaging of potato.
How to extract potato starch

1. potato cleaning step:
The process of how to extract potato starch requires the raw material be cleaned thoroughly. For the cleanness of raw material has an influence on the following separation and purification of potato starch. Dry sieve is widely used potato starch machine for cleaning process which can effectively remove the sand, soil, weed and other debris.

2. potato washing step:
The washing process for how to extract potato starch is carried out by paddle washing machine. potato raw material is rolled along with the wall of clinder, and is sprayed, washed, bathed, mixed, and peeled with water as a medium.

3.potato crushing step:
This is the most important procedure for how to extract potato starch. The main purpose of this section is mainly for grate the potato into starch slurry so as to release the starch in the cell of potato. The grating rate determines the starch extraction rate and the end products yield. The higher the grating rate, the higher starch extraction rate. potato starch machine for crushing is rasper.
Potato crushing machine 

4. Starch slurry separating step:
Separating section is another key process for how to extract potato starch that affects the extraction rate of potato starch. Its main purpose is to separate the fiber from starch. And the widely used potato starch processing machine for separating is centriguge sieve. Good centrifugal sieve and centrifugal technology can allow the extraction of free starch from cassava cells. And normally we use multi stage centrifuge sieve for the separating process so as to achieve better separating effect.

5. Concentration and refining step:
This process for how to extract potato starch is for the concentration, recycling and refining of the starch milk. To ensure a better washing effect, DOING potato starch production line adopts 13-stage hydrocyclone station which can better remove the impurities of fiber, protein and other impurities contained in the starch milk. In this way, all the indicators of starch produced can be guaranteed to meet the standards.

6. Starch milk dewatering step:
After concentration and refining process, the concentrated starch milk still contains a large amount of water, and thus must be dehydrated to facilitate drying. Unlike the tradition dewatering method, the potato starch machine for dewatering is vacuum filter for how to extract potato starch. It is required that the wet starch has a low moisture content of 38% after dehydration.
Potato starch separating machine



7. Starch drying and packing step:
This section is for quickly removing moisture from wet potato starch for how to extract potato starch. The equipped machine in this section is flash dryer which has the features of high drying strength, strong evaporation capacity, short drying time and good starch quality. Then the dried starch is packed by semi-automatic packing machine for sale.


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