Isolation of starch from sweet potato process
Release Time：2020-10-09 16:58Author：sd888Source：未知
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The following are the salient features of sda starch separated from the sweet potato process
1. Since the sweet potato chunks are completely crushed by the sda advanced crusher, the free starch rate is particularly high, and the separation effect of the centrifugal sieve is significant, so the starch extraction rate of the sda separated starch in the sweet potato process is high. Significant improvement.
2. Under the premise of ensuring the starch yield, the quality of starch is higher than that produced by other methods. Since the complete separation of starch during the processing of crushed sweet potato is carried out in a closed system, it not only reduces the pollution of foreign objects, but also reduces the degree of oxidation.
3. The increase in automation not only makes the operation simple and convenient, but also reduces the labor intensity and greatly improves the working environment.
This is a brief introduction to separating starch from sweet potato process
1. Cleaning and washing part: The potato starch processing machines mainly equipped in this part include: primary washing machine (also called dry sieve) and rotary washing machine. This is the first important step in separating starch from the sweet potato process. After the raw materials are processed in these machines, the washed sweet potatoes meet the requirements for entering the next stage. The main features of this part are: continuous
Operability, large processing capacity and low power consumption and water consumption.
2. Crushing part: This is the most important step in the process of separating starch from sweet potato. The coarse mill is used to crush the sweet potato into a slurry to release free starch in the sweet potato cells. The extraction rate of starch is determined by the machine. The sda rasper is an advanced grinding machine that fully absorbs domestic and foreign technology, and the damage rate can reach about 95%.
3. Screening part: This is another important step in separating starch from sweet potato processing. In this section, the main equipment is: centrifugal screen, fine fiber screen and desander. In this part, the sweet potato starch slurry sent from the wood mill is separated from the fiber and sand impurities. It has the characteristics of stable operation, simple operation, good separation effect, large processing capacity and continuous feeding.
4. Concentration and refining part: The main purpose of this part for separating the starch in the sweet potato process is to realize the concentration, refining and recycling of starch. The main equipments in this section are: 14-stage hydrocyclone separator, two-stage concentration cyclone separator, and ten-stage (classified as required) refined cyclone separator. This part is the most technologically advanced part of the entire production line,
The starch is separated in the potato process, so this is also the key to determining the quality of starch.
5. Dehydration and drying part: This is the last step in the process of separating starch from sweet potatoes. The equipped machines are vacuum filter and quick dryer. Vacuum filters are mainly used for dehydration to reduce the moisture in starch milk. And the drying process is carried out according to the principle of negative pressure. Wet starch mixed with hot air enters the air duct, after entering the drying requirements, enters the cyclone separator, and then is packagedTo the storage device.
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