A high-quality freeze-dryer and freeze-drying process for reducing internal voids of raw materials

A high-quality, freeze-drying technology, applied in the field of freeze-drying machines, can solve problems such as voids in raw materials, affecting sensory quality, etc.

Active Publication Date: 2022-05-31
安普未来(常州)生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, when there is a lot of moisture inside the material, if the vacuum treatment is carried out directly, the gas dissolved in the water will escape due to the reduction of external pressure, forming air bubbles, resulting in cavities in the inside and surface of the material, which will affect the sensory quality

Method used

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  • A high-quality freeze-dryer and freeze-drying process for reducing internal voids of raw materials
  • A high-quality freeze-dryer and freeze-drying process for reducing internal voids of raw materials
  • A high-quality freeze-dryer and freeze-drying process for reducing internal voids of raw materials

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Experimental program
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Embodiment 1

[0032] like Figure 1 to Figure 9 As shown, this embodiment provides a high-quality freeze dryer that reduces the internal voids of raw materials, including a drum body 1, which can rotate and vacuumize after quick freezing. Specifically, the drum body 1 has a drive motor outside, The track on the outer wall of the drum body 1 is driven by the driving motor to rotate the drum body 1. Door panels are respectively provided at the inlet end and the outlet end of the drum body 1, and a compressor is also provided outside the drum body 1. After the two door panels are closed, the The compressor refrigerates the inside of the drum body 1 to freeze the moisture in the raw material in the drum body 1. A vacuum pump is also provided outside the drum body 1, and the air in the drum body 1 is evacuated by the vacuum pump, so that the Ice sublimation becomes freeze-dried; in order to realize the orderly entry of raw materials into the drum body 1, a feeding part 2 is provided at the inlet...

Embodiment 2

[0053] This embodiment 2 also provides a freeze-drying process of a high-quality freeze-drying machine that reduces the internal voids of the raw materials, and the structure of the high-quality freeze-drying machine that reduces the internal voids of the raw materials is the same as that of the embodiment 1, and will not be repeated here. .

[0054] A specific freeze-drying process of a high-quality freeze-drying machine that reduces internal voids in raw materials is as follows: when the discharging slide rail 311 rotates from the "twelve o'clock" position to the "six o'clock" position, the pre-freezing box 53 is located in the discharging position. Above the slide rail 311; by sliding the pre-freezing sliding plate 54 against the discharging slide rail 311, the pre-freezing plug 57 is released from the pre-freezing groove 531, so that the dry ice is poured out to the pre-freezing guide plate 56 and the pre-freezing guide plate 56 and the pre-freezing groove 531. Between the...

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Abstract

The present invention relates to the technical field of freeze dryers, in particular to a high-quality freeze dryer and a freeze-drying process that reduces internal cavities of raw materials. The pre-freezing part is located above the corresponding discharge assembly, the pre-freezing part is opened, and the opening of the pre-freezing part faces downward, so that the dry ice in the pre-freezing part can be poured out; the discharging part moves from the "six o'clock" position to the "nine o'clock When the position is turned, the pre-freezing part is located under the corresponding discharge assembly, the opening of the pre-freezing part faces upward, and the poured dry ice passes through the guide channel to the discharge assembly on the next layer; when the discharge part containing dry ice rotates When it is at the "nine o'clock" position, the pre-freezing part is closed and dry ice is prepared, and the material passes through the feeding part and each discharging component in turn against the blocking part, so that each discharging component on the discharging part is fully filled. For raw materials, the raw materials are pre-frozen with dry ice, so that the moisture inside the raw materials freezes, so as to avoid the voids inside the raw materials and affect the sensory quality.

Description

technical field [0001] The invention relates to the technical field of freeze-drying machines, in particular to a high-quality freeze-drying machine and a freeze-drying process for reducing the internal voids of raw materials. Background technique [0002] The traditional freeze-drying process includes the following steps: [0003] 1. Pre-treatment, the source and application of raw materials are different, and the pre-treatment methods are also different. For example, the pretreatment of fruit is to select, wash and cut into pieces, vegetables need to be blanched, and instant porridge needs to be cooked and placed on plates; [0004] 2. Quick-freezing, in order to solidify the moisture inside the material, it is usually necessary to perform quick-freezing. The shorter the freezing time, the faster the material freezes, the smaller the internal crystals, and the smaller the mechanical damage to the material cells. Therefore, it is necessary to select the appropriate freez...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B5/06F26B11/04F26B25/02F26B25/16F25D3/12
CPCF26B5/06F26B11/04F26B25/02F26B25/16F25D3/127Y02P60/85
Inventor 刘国宪
Owner 安普未来(常州)生物科技有限公司
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