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Cassava is widely plant in Africa and has advantage of easy-growing and high yield. It is best choice for starch processing in Africa area. The used cassava starch processing machine used for cassava starch processing includes dry sieve, paddle washing machine, rasper, centrifuge sieve, fine fiber sieve, desander, hydrocyclone station, peeler centrifuge, flash dryer, automatic packing machine and automatic control system.

Here is the detail introduction of cassava starch processing machine


Cassava starch production process

1.Dry sieve for cassava cleaning

The introduction of fine fiber sieve

Fine fiber sieve is a kind of low speed centrifuge sieve which is mainly used used to separate fine fiber from starch slurry during starch production process. It usually be used after the centrifuge sieve in the starch production line to further remove the fine fiber. This machine mainly takes use of low centrifugal force and gravity of starch slurry to achieve the separation function. The application range of fine fiber sieve is very wide, it is widely used in sweet potato starch, cassava starch, wheat starch and other starch production enterprises.

The structure and working principle of fine fiber sieve

The structure of fine fiber sieve is simple. It is mainly composed of drum, tank, bracket, upper cover, drive system, feed system, backwash system and spray system. When working, the starch slurry pumped by the starch pump enters the feed end of the drum through the feed inlet. The drum consists of a bottom screen frame and a surface screen.The drum is driven by the drive system to rotate at a constant speed, thus driving the material to move on the screen of the drum. Under the effect of spray water flushing, the starch of small particles enters the slurry collection tank through the surface screen and is discharged from the collection port. While the fine fiber and other impurities which can not pass through the screen, stay on the screen and discharge from the slag outlet. Thus the separation of cassava starch and fine fiber is completed. The whole drum part depends on the support of the drum bracket part which has the function of automatic centering. In the process of separating fine fiber from starch, there is a backwashing system outside the drum. The nozzle keeps spraying the back of the mesh to ensure that the blocked surface is washed in time.

The accumulated fine fiber is then washed away, so as to ensure the permeability of the screen. SIDA fine fiber sieve is made of titanium mesh which can ensure the mesh thinner. And the screen is the fictitious graticule structure, so that the big particles is separated, and the fineness of the final cassava starch is then be guaranteed.

2.Paddle washing machine for cassava washing

3.Rasper for cassava crushing

4.Centrifuge sieve for slurry and residue separation

5. Fine fiber sieve for further separating


7.Hydrocyclone station

8.Peeler centrifuge

9. Flash dryer for starch drying

10.Automatic packing machine

11.Automatic control system: The last cassava starch processing machine is automatic control system which consists of MCC operation cabinet, OCC control cabinet, LCB cabinet and matched CCTV monitoring system. It can help control the whole cassava starch processing procedure to ensure the quality of cassava starch.

yam starch production starch: The basic unit operations in yam starch production from fresh yam roots are:


yam starch processing machines

yam Washing/De-stone New harvest yams from the ground should first dry and sieve to remove the impurities as much as possible, and then stored in daily designated area.

Grinding yams feed rasping machine through screw conveyer. In order to production line not to stop when changing the saw blade, it should install the second rasping machine.

Starch Extraction/Fiber Separation The yam paste after beaking mixed with water then pump into the first level screen, the wet fiber come down from the first screen is pumped into the second, third and the fourth extraction screen, be sent to the fiber dryer dehydration. Wet residue dry matter content after dehydration is 10-12%

Enrichment Down from extraction process in the first level of cone sieve starch slurry pump into rotary self-cleaning filter. Then starch slurry is concentrated.

Desand Starch milk after concentration is sent to a mixing tank, and then starch can use two levels of de-sander expel sand, the sand collected uses butterfly valve to eject. Refined At this time the starches with 12-14 level cyclone stand to clean, refined. Refined unit automatic work and is equipped with the necessary instruments. Starch slurry concentration after the refined is 35-40%

Fine Fibre Sieve After the refined overflow contains a lot of protein, salt, sugar, soluble fiber material and fine fibres, transfer their to fine fiber separation screen to extract fine fiber. it can collect with cans so as to use to cleaning in extract unit..

Dehydration Starch slurry in starch jar after refined, and then remove moisture through vacuum filter. The wet starch water content after dehydration is 38—40%.

Starch Dry This system is suspension air dry, its characteristic is the product of dry and hot air evenly mixed, suspended airflow drying efficiency is very high, even the product particle size distribution is wide.

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