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| Sweet potato starch manufacturing equipment |
The sweet potato starch manufacturing equipment can produce sweet potato starch from sweet potato automatically .
The sweet potato starch manufacturing equipment production process as below :
1. Raw material receiving unit in sweet potato starch manufacturing equipment :
The sweet potato is carried to the storage yard after weighing. Firstly, it goes through the vibration sieve for removing the stones and sand. Then the pre-cleaned sweet potato falls on the belt conveyor and enters into the storage yard and the rubbish will be carried away by truck.
2. De-stone and washing unit in sweet potato starch manufacturing equipment :
Sweet potato is put into the hopper which connect with one screw washing conveyor. The small sand and stone will be sieved out. The sweet potato will be transport by the washing conveyor to next washing de-stone machine . The washing de-stone machine will use the gravity to separate stone and sweet again to make sure No stone left with sweet potato for milling . Then the sweet potato will be washed again two times and transport to the milling unit.
The milling unit is the most important step for extracting potato starch. The feeding screw washing conveyor transport the clean sweet potato into milling machine. Highly-efficient milling machine will release the starch in sweet potato at most and make sweet potato into sweet potato slurry.
4. Centrifugal starch extraction unit in sweet potato starch manufacturing equipment :
The mixture sweet potato slurry is pumped to the 3 stage centrifugal sieves, each sieve works with a fiber pump and a de-foam pump. The mixture enters into each sieve to separate residue and starch. After 3 stages continuous washing and separation, the filtrate is sent to concentration and refining unit, and the residue is sent to the residue de-watering unit.
The mixture sweet potato slurry is pumped to the 3 stage centrifugal sieves, each sieve works with a fiber pump and a de-foam pump. The mixture enters into each sieve to separate residue and starch. After 3 stages continuous washing and separation, the filtrate is sent to concentration and refining unit, and the residue is sent to the residue de-watering unit.
5. De-sanding cyclone unit in sweet potato starch manufacturing equipment :
After starch extraction , the raw starch milk is pumped to de-sanding cyclone by pump. The hydro-cyclone divide the milk into two parts: the light part which contains the mixture of starch and residue will go out from top of the cyclone, and the heavy part which contains the sand will be discharged out of the system.
The sweet potato residue will be transferred to the centrifugal sieve for de-watering, the centrifugal sieve works like the extraction sieve. Then the screw conveyor discharges the residue out of the process, and the water will go back to the process water system.
7. Concentration and refining unit in sweet potato starch manufacturing equipment :
The starch milk from centrifugal sieve goes into the 16 stages of refining hydro-cyclone, and fresh water comes into the cyclone from the end of system. Firstly, starch milk is pumped into 3 stages of concentration unit to remove the water, then the condensed starch milk enter the next 13 stages of washing unit, and the overflow enters into another 2 stages of recycle unit to recycle starch. Most of the effluent with fiber is discharged out of the process, and a little part goes back to the process water system. Finally, the condensed starch slurry is pumped into the starch slurry storage tank.
8. Vacuum de-watering unit in sweet potato starch manufacturing equipment :
The starch slurry is pumped into inlet tank of vacuum de-watering machine. Then the vacuum rotary drum will adsorb the starch on the drum surface and the filtrate is transferred out of the system by filtrate pump. The filter cake on the drum will be peeled off by peeler and then transferred to the air dryer.
9. Air drying unit in sweet potato starch manufacturing equipment :
After de-watering process, the air dryer will dry the starch to the required moisture of the commercial starch by hot air . Then dry starch goes into the starch sieve to get the required size starch and pack into bags .
More Information about our sweet potato starch manufacturing equipment , please contact
Phone: +86 371 56771822
Email : sales@doingmachinery.com
Website: www.starchprojectsolution.com
Phone: +86 371 56771822
Email : sales@doingmachinery.com
Website: www.starchprojectsolution.com
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