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Freeze drying machine problems needed to resolve

2020/10/15
From the point of view to talk about the lyophilizer.

freeze drying machine is mainly by the control system, vacuum system, cooling system, circulation system composition: medicinal freeze drying machine in addition to the above part, and the hydraulic system, in the cleaning system, and in the sterilization system, etc. Medicinal flash dryer is the key equipment in the process of producing sterile freeze-drying preparation, due to the particularity of drugs, so the relevant departments to freeze drier material, performance, etc were made clear rules. Freeze drier, although now conform to the requirements of the production, but from the economic efficiency, product quality and production operation into consideration also the following deficiencies, but the main thing is that vacuum degree is too high, is not conducive to sublimation products! Product freeze drying process, the vacuum degree of their environment has direct impact on the length of the freeze drying cycle. Vacuum through low, causing the sublimation rate significantly decreased; Instead of high vacuum degree, due to bad heat convection conduction, also can make freeze drying rate decreased obviously
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