Patent ID: 6470592
Filing Date: 2002-10-29
Classification: F26B

Abstract:
A method for freeze-drying foodstuffs and medicaments comprising:a. converting the foodstuffs and medicaments to a liquid material by adding a solvent therefore in a starting material adjusting apparatus comprising material blending tanks and a material adjusting tank; b. introducing the liquid material through a pipeline into a shell comprising a desiccating chamber of a shell-tube freeze-drying device so as to immediately and distributively feed the liquid material into a plurality of tubes which are juxtaposed with respect to each other in an upright position in the shell to cause the liquid material to freeze in a tubular layer; c. after the liquid material is freeze-dried by the freeze-drying device, subjecting the desiccated product in tubular form, dropping from the tubes in the shell, to crushing and comminuting treatment by a comminuting device to thereby obtain a powder product.