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A vacuum pre-cooling and fresh-keeping system

A vacuum and pre-cooling technology, which is applied in the fields of fruit and vegetable preservation, fruit/vegetable preservation through freezing/refrigeration, food preservation, etc. constant effect

Active Publication Date: 2019-07-19
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a vacuum pre-cooling and fresh-keeping system, which solves the problems of high energy consumption and high cost of fruit and vegetable fresh-keeping in the prior art

Method used

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  • A vacuum pre-cooling and fresh-keeping system
  • A vacuum pre-cooling and fresh-keeping system
  • A vacuum pre-cooling and fresh-keeping system

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0027] Such as figure 1 with figure 2 As shown, a vacuum pre-cooling and fresh-keeping system provided by the embodiment of the present invention includes a pre-cooling and fresh-keeping room 12, a compressor 11, a heat exchange system 14 and a vacuum pump 1 connected in sequence; the pre-cooling and fresh-keeping room 12 is used to place fruits and vegetables to be kept fresh The compressor 11 is used to compress and heat up the water vapor in the precooling fresh-keeping room 12 and send it to the heat exchange system 14; the heat exchange system 14 includes an ice storage chamber 6 and a water storage chamber 9 separated by a water leakage plate 5, and the ice storage chamber The chamber 6 communicates with the compressor 11; the water storage chamber 9 communicates with the vacuum pump 1, and the bottom of the water storage chamber 9 is provided with a drain port 10; the vacuum pump 1 is used to discharge the gas processed by the heat exchange system 14. The vacuum pre-c...

Embodiment 2

[0039] The technical content of the second embodiment that is the same as the first embodiment will not be described repeatedly, and the disclosed content of the first embodiment also belongs to the disclosed content of the second embodiment. The difference between the second embodiment and the first embodiment is that: image 3 As shown, one side of the ice storage chamber 6 communicates with the compressor 11; the other side of the ice storage chamber 6 communicates with the vacuum pump 1; specifically, the other side of the ice storage chamber 6 opposite to the compressor 11 is set An air outlet chamber 3 is arranged on the side, and one side of the air outlet chamber 3 is separated from the ice storage chamber 6 by a water baffle 4, which is used to allow gas to enter the air outlet chamber 3 and prevent moisture from entering the air outlet chamber 3, and the air outlet chamber 3 The other side communicates with the gas inlet 2 of the vacuum pump 1. The air outlet chamber...

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Abstract

The invention relates to the technical field of fruit and vegetable pre-cooling preservation, in particular to a vacuum pre-cooling preservation system which comprises a pre-cooling preservation chamber, a compressor, a heat exchange system and a vacuum pump which are sequentially connected. The pre-cooling preservation chamber is used for containing to-be-preserved fruits and vegetables. The compressor is used for compressing water vapor of the pre-cooling preservation chamber, raising the temperature of the water vapor and conveying the water vapor to the heat exchange system. The heat exchange system comprises an ice storage chamber and a water storage chamber which are separated through a water leaking plate and are arranged in an up-and-down mode, and one side of the ice storage chamber is communicated with the compressor. The vacuum pump is communicated with the other side of the ice storage chamber or the water storage chamber, and a water drainage port is formed in the bottom of the water storage chamber. The vacuum pump is used for exhausting gas processed through the heat exchange system. By means of the vacuum pre-cooling preservation system, energy consumption and cost are reduced; because the temperature of ice is kept at 0 DEG C all the time, heat exchange stability of the system is guaranteed.

Description

technical field [0001] The invention relates to the technical field of pre-cooling and fresh-keeping of fruits and vegetables, in particular to a vacuum pre-cooling and fresh-keeping system. Background technique [0002] In order to meet the shortage, supply the market or trade at home and abroad, most fruits and vegetables need to be transported at different distances and times, but fruits and vegetables are perishable and difficult to store fresh agricultural products, so long-distance normal temperature and normal pressure transportation is very important for maintaining the quality of fruits and vegetables. Quality and shipping times are not guaranteed. At present, the fruit and vegetable pre-cooling and fresh-keeping system mainly adopts two methods: one is to use the refrigeration system to match the overall pre-cooling and fresh-keeping system, and the operation of the refrigeration system depends on the power supply system to provide power; but to use ice water for i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23B7/00A23B7/04
CPCA23B7/00A23B7/0425
Inventor 孙椰望杨鲁伟张振涛杨俊玲魏娟李博芦琳张冲
Owner TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI