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The liquifaction section in corn starch syrup plant

Release Time:2020-07-21 18:06Author:sd888Source:未知

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We all know that the corn/maize,rice and the starch can be produced into the liquid glucose syrup.There are many process section in the complete glucose syrup manufacturing plant.Below mainly the description of the Decolorization and Decarburization process during the starch syrup processing machine.
The normal sequence is: The first decolorization-the first decarburization-The second decolorization-the second decarburization. It is a duty-cycle?operation.
The saccharogenic liquid will be pumped into a decolorization tank, add the waste activated carbon of the second plate frame filter pressing then killing enzyme and decolorization for 30 minutes. Then pumping the discolored syrup liquid into the first plate frame, the activated carbon will be filter out. 
Pumping the first discolored syrup liquid into the second decolorization tank, adding new activated carbon, decolorization for 30 minutes. 
The second decolored syrup liquid is subjected to plate and frame filtration, and then it will be pumped into the ion exchange system storage tank through the plate heat exchanger.
ut the starch slurry into the mixing tank. Sometimes you will find mixing tank surface with brown floater, it is likely to be excessively high protein content. It will cause high dosage of activated carbon, increasing the load of ion exchange, and reducing the service life of ion-exchange resin, so we must ensure that the starch milk protein content is below 0.5%.
 In order to make full use of the mother liquor when corn starch syrup processing, the part starch milk can be recycled in the mixing slurry process, and the normal return amount can reach up to 2/3. The overuse will affect the quality. Average concentration is 35% - 36%. Mixing temperature is 29 ℃-34 ℃. Then putting starch slurry into the ejector, large and medium-sized enterprises flow rate is 25-40 m3 / h; steam pressure is 0.4 Mpa; liquefied liquid temperature is 99 ℃. After that entering the laminar flow tank for heat preservation of 60 minutes, and then into maintaining tank. Put the liquefied liquid into the second ejector.
The steam injection pressure control is 0.2 Mpa; the temperature control is 130℃ to 134.6℃. Liquefied liquid will come into the high temperature maintain tank and then secondary flash cooling tank. The liquid temperature lower 64℃ to 60℃ to neutralize, then coming into the neutralization tank, adjusting the pH value to 4.4-4.5 for preparing glycosylated.

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