Atmospheric low temperature spray drying device and drying method
A drying device and drying method technology, applied in the direction of drying solid materials, drying, drying machine, etc., can solve problems such as complex process, achieve the effect of high efficiency, easy cleaning, and improve the ability to carry moisture
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[0027] Example 1
[0028] The following data is measured through experiments:
[0029] The water-extracted sweet potato red pigment is spray-dried at atmospheric pressure and low temperature,
[0030] Inlet air temperature: 60-80 ℃; outlet air temperature: 30-40 ℃; material initial temperature: 11-16 ℃;
[0031] The moisture content of the dry powder is 6-8%.
[0032] At a concentration of 1%, the measured color value of the original solution is 5, and the color value after drying is 4.78.
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[0033] Case study 2
[0034] Ginkgo biloba extract ginkgo flavonoids are spray-dried at normal pressure and low temperature,
[0035] Inlet air temperature: 40-70 ℃; outlet air temperature: 30-40 ℃; material initial temperature: 11-16 ℃;
[0036] The moisture content of the dry powder is 5-8%.
[0037] The flavonoid content before drying was 25.7%, and the flavonoid content after drying was 24.1%.
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