Cassava starch processing plant

Cassava starch is produced from fresh cassava roots by wet-milling method. The cassava starch processing plant is comprised of seven major sections: washing & cleaning, grinding, screening, concentrating and refining, dewatering, drying and packing.

Cassava starch processing plant

1. Cleaning and washing section: The purpose of cleaning and washing is to wash raw cassava roots thorough multiple stage cleaning and washing process so as to fully wash the dirt, soil, sand and other skin sediment. Thus it can improve the purity of the raw material, and facilitate the next process in cassava starch processing plant. And the widely used machine for this section is dry sieve and paddle washing machine. The main features of these machine are low water and power consumption, large capacity and easy handling.

2. Grinding section: The cassava root need to be grinded into slurry in order to release its starch from cell wall. Rasper is the machine used for this purpose. The grinding rate determines the extraction rate of cassava, therefore it is important to choose a high efficient grinding machine for cassava starch processing plant. DOING rasper introduces the advanced international technology which can achieve a high grinding rate and high starch extraction rate.

3. Screening section: To separate and purify starch by screening for cassava starch processing plant. At present, centrifuge sieve is mainly used to remove fine slag. Multiple screening or counterflow washing process is generally adopted. It is required that, through screening and washing of the original pulp, the starch content of cassava residue is less than 35% in cassava starch production process.

Cassava grinding machine

4. Desanding section: After the separating section, the starch slurry still contains sand which need to be removed by desander machine. The function of desander in cassava starch processing plant is to fully remove the fine impurities in starch so as to ensure the taste and quality of starch.

5.Concentrating and refining section: After separating, the starch slurry still need to be concentrated and refined. In this section, the mainly used cassava starch processing machine is hydrocyclone station. The main function of hydrocyclone in cassava starch processing plant is to remove the fine fiber, protein and cell sap out of starch slurry to make the final starch meet the standard.

6. Dewatering section: The dewatering process is maily for reducing water content of cassava milk so that it can meet the drying standard. Peeler centrifuge Iis widely used cassava starch processing machine for cassava milk dewatering in cassava starch processing plant. This is required that the water content of cassava starch is about 38%-40%.

Cassava starch drying machine

7. Drying and packing section: The starch is sent to flash dryer with screw conveyor for drying in cassava starch processing plant. Negative pressure method is adopted for flash dryer, thus ensuring the quality and moisture uniformity of starch. The required moisture content after drying is about 14%. Then the starch is packed by automatic packing machine for sale.

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