Production method of granular starch
A granular starch and production method technology, which is applied in the field of starch sugar production, can solve problems such as not being able to meet customer needs, and achieve the effects of bright color, strong market demand, and good taste
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Embodiment 1
[0022] Get 100g commercial tapioca dry starch, its water content is: 12.6%, be placed in the circular container in the container, dry starch is then rehydrated to 30% by spray equipment. Then the wet starch obtained after rehydration was placed in a tablet machine, pressed into a 5cm cake shape by a pressure of 0.01Mpa, and then oven-dried at 50°C until the moisture content was 13%.
[0023] Through testing, it is found that the drying time is 9.5 hours, and the moisture content can be reduced to 13%. Then, the dried cassava starch cake is taken out and crushed with a crusher. %, granular starch has poor mechanical strength, low yield and high production cost.
[0024] The conclusion shows that cassava starch with a moisture content of 30% can form granular starch when the pressure is 0.01Mpa and the oven drying temperature is 50°C to a moisture content of 13%, but the yield is low and the cost is high.
Embodiment 2
[0026] Get 100g of commercial tapioca dry starch, its water content is: 12.6%, be placed in the square container, dry starch is rehydrated to 35% by spray equipment then. Then the rehydrated wet starch was placed in a tablet machine, pressed into a 5cm cake shape by 0.01Mpa pressure, and then dried in an oven at 50°C until the moisture content was 13%.
[0027] Through testing, it is found that the drying time is 13 hours, the water content can be reduced to 13%, and then the dried cassava starch cake is taken out and crushed with a crusher. After crushing, the starch granules are relatively loose, and the proportion of 5-20 mesh granular starch is 9%. , the yield is low and the production cost is high.
[0028] The conclusion shows that cassava starch with a moisture content of 35% can form granular starch when the pressure is 0.01Mpa and the oven drying temperature is 50°C to a moisture content of 13%. The drying time is long, the yield is low, and the cost is high.
Embodiment 3
[0030] Get 100g of commercial tapioca dry starch, its moisture content is: 12.6%, place in the square container, dry starch is then rehydrated to 40% by spray equipment. Then the rehydrated wet starch was placed in a tablet machine, pressed into a 5cm cake shape by 0.01Mpa pressure, and then dried in an oven at 50°C until the moisture content was 13%.
[0031] Through testing, it is found that the drying time is 14.5 hours, the water content can be reduced to 13%, and then the dried cassava starch cake is taken out and crushed with a crusher. After crushing, the starch granules are relatively loose, and the proportion of 5-20 mesh granule starch is 8. %, the yield is low and the production cost is high.
[0032] The conclusion shows that cassava starch with a moisture content of 40% can form granular starch when the pressure is 0.01Mpa and the oven is dried at 50°C to a moisture content of 13%. The drying time is long, the yield is low, and the cost is high.
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