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Microwave vacuum freeze dryer and medium separation treatment method thereof

A freeze dryer and microwave vacuum technology, applied in local stirring dryers, dryers for static materials, dryers, etc., can solve problems such as melting and drying failures

Pending Publication Date: 2021-12-07
南京研沃生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The object of the present invention is to provide a microwave vacuum freeze dryer and its medium separation treatment method, aiming to solve the problem of heating the inside and outside of the object through microwave irradiation in the prior art, but because the material is placed on the heating plate, the heating plate It will also be heated when it is heated by microwave, so that after the microwave stops heating, the heat of the heating plate will continue to dissipate, and the residual heat on the heating plate will melt the ice on the surface of the material, which will lead to the technical problem of drying failure

Method used

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  • Microwave vacuum freeze dryer and medium separation treatment method thereof
  • Microwave vacuum freeze dryer and medium separation treatment method thereof
  • Microwave vacuum freeze dryer and medium separation treatment method thereof

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Embodiment Construction

[0031] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0032] In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element...

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Abstract

The invention relates to the technical field of microwave vacuum freezing, in particular to a microwave vacuum freeze dryer and a medium separation treatment method thereof. The interior of a shell is vacuumized through a negative pressure pump; the temperature in the shell is adjusted to -30 DEG C through freezing equipment and kept for 10 min; then the freezing equipment is shut down; a microwave generator is started, and he temperature in the shell is adjusted to 100 DEG C and kept for 30 S, so that the ice on the surface of the material is sublimated to water mist; and a steam absorption device discharges the generated water mist. A material placing plate is heated together in the heating process, and due to the effect of a cooling assembly in the material placing plate, the material placing plate is rapidly cooled; and therefore, the materials cannot be secondarily heated, and ice on the surfaces of the materials cannot be melted into liquid.

Description

technical field [0001] The invention relates to the technical field of microwave vacuum freezing, in particular to a microwave vacuum freeze dryer and a medium separation treatment method thereof. Background technique [0002] There are many methods for object drying, such as air drying, sun drying, boiling dry, microwave drying, drying, spray drying and vacuum freeze drying. Vacuum freeze-drying technology is superior to other drying methods. It can retain the original color, aroma and taste of materials, and effectively prevent heat-sensitive substances such as proteins and vitamins from denaturing. After freeze-drying, the rehydration property is good, and the activity of the material is maintained. [0003] At present, in the process of microwave drying using a microwave vacuum freeze dryer, the material is placed on a microwave heating plate, and the inside and outside of the object are heated by microwave irradiation. However, since the material is placed on the heati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B5/06F26B9/06F26B21/10F26B23/08F26B25/06F25D11/00F25D29/00
CPCF26B5/06F26B9/06F26B21/10F26B3/347F26B25/06F25D11/00F25D29/005Y02P70/10
Inventor 杨毓诚
Owner 南京研沃生物科技有限公司
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