Extraction of starch from potato procedure

The whole extraction of starch from potato procedure can be divided into the following part:
Potato cleaning, washing, crushing, starch screening, desanding, concentration and refining, dewatering, drying and packing.

The accordingly potato starch manufacturing equipment includes the following:
dry sieve, rotary washing machine, rasper, centrifuge sieve, desander, hydrocyclone station, vacuum filter, flash dryer and automatic control system.
Extraction of starch from potato procedure

1. Potato cleaning and washing: The main purpose of this step is for impurities removal. The neatly stacked raw materials are evenly distributed to the dry sieve for cleaning, through the vibration, rotation of the cleaning machine, the large sand, stone and other debris are removed and discharged.  And then potato goes into the paddle washing machine in extraction of starch from potato procedure

2. Rasper for potato crushing process
Rasper is the key potato starch processing machine in extraction of starch from potato procedure, for it determines the starch yield. This equipment takes use of the impact force produced by high speed rotating to crush potato, so that the starch particles in the cell wall of potato can be freed, thus to achieve the extraction starch from potato.
 Potato Grater machine

3. Starch slurry separation and refining process
(1) Starch slurry separation: For extraction of starch from potato procedure, the separation is another important procedure. We use multi stage centrifuge sieve for separating fiber from starch in potato starch processing plant.

(2)Sand removal: The potato starch slurry comes from the fine fiber sieve is pumped by a screw pump to a desander cyclone to remove sand. This step in extraction of starch from potato procedure is mainly used to reduce the ash in potato starch so that ensures taste of starch.

(3) Protein separation: In extraction of starch from potato procedure, we designed a 14-stage concentrated hydrocyclone station. And the process water is pumped from the other end of the cyclone station to wash the starch in a countercurrent manner.
Centrifugal sieve

4. Starch milk dewatering process
In extraction of starch from potato procedure, dewatering  is to reduce water content of potato. This potato starch manufacturing equipment has the features of great dewatering effect, stable water content of wet starch and easy operation.

5. Starch drying process
The flash dryer is starch flash dryer used in extraction of starch from potato procedure which mainly dry the starch to the meet the market standard. It mainly takes use of high speed hot air to dry starch.

Potato starch processing machine features:
1. Excellent craftsmanship, beautiful appearance and compact layout;
2. Use fewer people, less labor intensive, high degree of automation, one-stop production from washing potato to dry;
3. Stable performance, easy operation and maintenance.
4. Low energy consumption, water saving, power saving, and low processing cost;
5. High extraction rate: It is cleaned by squirrel cage to ensure that the potato chips are not damaged and the starch is not lost.

Chat on line / Whatsapp/Phone:+86 135 2661 5783
Email: market@doinggroup.com
Tel: 0086 371 5677 1822
View more:
potato starch manufacturing plant cost
potato starch manufacturing process
how potato starch is made
how to remove starch from potatoes

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