sale of cassava processing machine in nigeria
Our company developed edible cassava flour production line which aim at abundant cassava source in Africa. The newest food grade cassava flour production process solves daily staple food and develop cassava usage and processing. Cassava processing machine manufacturer
Root reception and washing
The fresh cassava roots are taken afield to the factory by truck. After being weighed and sampled for starch content determination the fresh roots will be unloaded to the raw material storage platform.
When production begins cassava roots will be taken by a shovel loader out of raw material storage platform into the reception-hopper installed with electromagnetic vibrancy feeder at the bottom. Removing the roots onto the inspection belt.
Roots are dropped onto the belt of an inclined belt conveyor where stems and branches are picked out and woody tissues of cassava roots are manually cut off. Prevent hard woody tissues entering into next rasping unit and reduce the Rasper loading. On the other end of belt is a squirrel cage type dry cleaner which will get rid of the sand and peels without water. The sand and peels pass through the meshes of dry cleaner and then are collected to a sand collecting gutter for periodical clean-up.
Dry cleaned the roots are sent to paddle washer for 3 stage water cleaning to get rid of remained sands and broken skin. Add process waste water in the first stage washer. Sands will be soaked in water and removed. The roots pass through the trough in different area to next stage with cleaning water, cleaning washing water enter into next washer. The cassava is cleaned by this countercurrent method. Washed clean roots are placed onto inspection belt of the inclined belt conveyor. The sands and impurity is periodical discharged .On the inclined belt, recheck whether there are stem and impurity in the material or not. Stem should be manual cutter off. The inspected material is transported to rasping unit.
Grinded and rasping unit
The tuber is grinded and become low broken percentage. That means 50% cassava flour is not separated and combined with fiber. In the rasping process, should add process water to dilute slurry. the potato slurry in the collection trough is pumped in to desanding cyclone. Don't make the cassava flour dissociate and make the cassava flour combine with fiber. So the special design of Rasper is vital for flour fineness and freeness.
In the desanding unit, sands and sawteeth etc coarse particle will be removed from cassava slurry. This unit is made of ceramic cyclongnetts, sands collection tank, automatic desanding valve and back flush device. Back flush avoid cassava flour loss in desanding process. Desanded slurry is sent to dewatering unit.
Cassava flour detoxification and dewatering
Because there is hydrocyanic acid toxic substance in cassava peels. In this unit, the slurry will go through detoxification and dewatering process.
When slurry reaches to certain liquid position in slurry tank, start to be dewatered. Then transport the material to cassava flour drying procedure by belt conveyor.
Drying and packing unit
Dewatered cassava flour cake contains high moisture to 45~50%, which can’t enter into dryer directly and will be mixed with dry flour and reduce the moisture to 38%, then transported to feeding port of dryer by conveyer belt, pass through feeder and enter into raiser. The heat source of dryer is steam heat exchanger. Wet cassava flour is heated by hot wind and water is steamed. After drying, cassava flour and air are separated in cyclone separator. At the bottom of cyclone separator, it is closed by air closer. after wet air leave cyclone separator, which is discharged in to atmosphere. Collected cassava flour is transported to vibration sieve unit; the coarse particulate matter is sieved out. The sieved cassava flour is transported to hopper for storing and cooling.
Advanced Technology and comprehensive solutions
Cassava starch production line adopts a full set of advanced and mature Europe technology, combined with equipment manufactured in the China in accordance with European standards, enabling the production to achieve the most cost effective;
Fully enclosed device, modular structure, compact layout and greatly reduced installation time;
Optimized core technology originates in Europe;
Rasper using British COOPER bearing, the world's only brand can provide heavy load bearing to ensure under high-speed and load stable running;
De-sanding cyclone uses the unique water separation system to guarantee the discharge and not leaking starch;
Hydrocyclone optimized various processes, completely replaced the disc separator, concentrated and washing better.
Variable Flash dryer duct system reduce to almost 30% steam consumption of present China level;
Reduces operating costs even more of the users;
Control system is reliable, capable and stable, continuous production of quality products, and customers can make demands for a variety of different from automatic to semi-automatic control system;
Equipment manufacturing level is close to the European, local even exceeds the level of the existing equipment in Europe
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