High efficient potato starch processing machine

The starch processing industry takes potato, sweet potato, cassava and other starchy crops as the raw material to extract high-quality starch. Potato as an important starch raw material  has to go through many processes to finally get edible starch. In the process the raw potato quality and the used high efficient potato starch processing machine both have an important influence to the quality of the final potato starch.

Here are the production processes of potato starch

Potato cleaning-washing-grinding-separating-desanding-concentrating and refining-dehydrating-drying-packing

1.The potato starch cleaning machine

In the process of potato starch processing, the first step is cleaning the raw material. The cleaning machine is dry sieve which can effectively remove the small stones, dirt, sand and other impurities out of potato. With the help of the inner spirals, the potato move steady forward without damage the raw material.

2.The potato starch washing machine

The cleaned potato is conveyed to the paddle washing machine which is a widely used high efficient potato starch processing machine in the production line of potato starch. The paddle washing machine is a high efficiency washing machine which takes countercurrent washing principle. The water moves in the converse direction with the potato so that the washing effect is greatly improved. The large capacity and easy handling characteristics of this machine makes it save labors for the factory. 

Potato grinding machine

3.The potato starch grinding machine

The next high efficient potato starch processing machine is the rasper which is used to grinding the washed potato into potato slurry. Rasper is an ideal machine for the starch processing industry which has the features of high speed, high grinding coefficient and high starch extraction rate. The rasper of DOING absorbs advanced technology from foreign and domestic market. The belt we use is the Germany Opitbelt, an advanced toothed belt which can increase the service life of the machine.

4.The potato starch separating machine

The starch slurry contains protein, fiber, cell sap and other impurities. Therefore it is necessary to separate these from starch to produce high quality starch. In this process, the centrifuge sieve is the mainly used high efficient potato starch manufacturing machine. The purpose of centrifuge sieve is to separating the fiber from the starch slurry. This machine has two important features, the stainless steel structure and the titanium plate material for the screen mesh. Compared with other material, the titanium plate allows thinner screen mesh pore which result in better separation effect.

5.The potato starch desanding machine

Due to the high sand content in starch, the desander is needed to remove sand form the starch slurry. The desander can remove sand from starch at one time and improve the product quality to a higher level. The desander separates sand from starch by using different densities of sand and starch.

Potato separating machine

6.The concentrating and refining machine

Then the used high efficient potato starch processing machine is hydrocyclone station which is mainly used to remove the fine fiber, protein and cell sap. This is the concentrating and refining process of the starch slurry. The hydrocyclone pipe is made of strengthened nylon which is solid and durable. The hydrocyclone station of Doing Company is designed to recycle the starch milk to avoid the loss of starch and can achieve continuity of the starch production.

7.The potato starch dehydrating machine

After that, the starch need to be dehydrated in the vacuum filter. The vacuum filter is widely used starch dehydration device. The contact material part is made of stainless steel so that the starch will not get polluted. And the filter slot equipped with paddle stirrer to prevent starch deposition. With good performance and high dehydrating rate, DOING vacuum filter is a good choice for starch production enterprise.

Potato drying machine

8.The potato starch drying machine

After dewatering, the water content in starch is still high so it need the drying process. The high efficient potato starch processing machine used in this process is flash dryer. The flash dryer adopts the negative pressure drying system which can effectively reduces the loss of the starch and meanwhile purifies the working environment. The high speed hot air dry the starch just in 2-3 seconds which has an significant energy saving effect.

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