Spherical fruit and vegetable precooling and packaging gas prefilling integrated machine

An all-in-one, pre-cooling technology, which is applied to the preservation of fruits and vegetables, preservation of fruits/vegetables through freezing/refrigeration, food preservation, etc., can solve the problems of quality deterioration, shortening the storage period, etc. Work efficiency and convenience, the effect of ensuring freshness and quality

Active Publication Date: 2019-04-05
SOUTH CHINA AGRI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If a lot of heat accumulates on fruits and vegetables, the heat cannot be dissipated in time, which will accelerate the deterioration of quality and shorten the storage period

Method used

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  • Spherical fruit and vegetable precooling and packaging gas prefilling integrated machine
  • Spherical fruit and vegetable precooling and packaging gas prefilling integrated machine
  • Spherical fruit and vegetable precooling and packaging gas prefilling integrated machine

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Experimental program
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Embodiment

[0024] Please refer to Figure 1 to Figure 3 , a spherical fruit and vegetable pre-cooling and packaging gas pre-filling machine, including a mobile platform 10, a liquid nitrogen tank 20, a nitrogen collection chamber 40, a conveyor belt 60, a pre-cooling box 30 and a packing box 50;

[0025] Described liquid nitrogen tank 20, pre-cooling box 30 and packing box 50 are located on the mobile platform 10, and the outlet of liquid nitrogen tank 20 is connected with pre-cooling box 30 through nitrogen inlet pipe 21; Closed box cover 31 and water inlet valve 32, pre-cooling box 30 is provided with a lifting platform 70 for holding fruits and vegetables and has an inclined slope; packaging box 50 is provided with a pressure sensor 51 and an oxygen sensor 52 for measuring the weight of fruits and vegetables , the packaging box 50 is provided with an automatic sensing door 53 that acts according to the signal of the pressure sensor 51;

[0026] The fruits and vegetables on the liftin...

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PUM

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Abstract

The invention discloses a spherical fruit and vegetable precooling and packaging gas prefilling integrated machine comprising a mobile platform, a liquid nitrogen tank, a nitrogen collecting chamber,a conveyor belt, a precooling box and a packaging box. The liquid nitrogen tank, the precooling box and the packaging box are arranged on the mobile platform, an outlet of the liquid nitrogen tank communicates with the precooling box through a nitrogen inlet pipe, the precooling box is provided with an openable box cover and a water inlet valve, and a lifting platform with an inclined slope capable of accommodating fruits and vegetables is arranged in the precooling box. A pressure sensor and an oxygen sensor for measuring the weight of fruits and vegetables are arranged in the packaging box,and an automatic sensing door which acts according to signals of the pressure sensor is arranged on the packaging box. Fruits and vegetables on the lifting platform slide down to the conveyor belt after being precooled, and the fruits and vegetables are conveyed into the packaging box through the conveyor belt after passing the automatic sensing door. The nitrogen collecting chamber communicates with the precooling box through an air inlet pipe, and the nitrogen collecting chamber communicates with the packaging box through an air outlet pipe, and the air outlet pipe is provided with an air outlet valve and a flow meter. Rapid precooling and air conditioning of fruits and vegetables are achieved by the invention, and freshness and quality of fruits and vegetables are ensured.

Description

technical field [0001] The invention relates to the technical field of freshness preservation, in particular to a spherical fruit and vegetable precooling and packaging gas prefilling integrated machine. Background technique [0002] After harvesting, fruits and vegetables carry a lot of field heat, and the rate of fruit quality degradation is closely related to temperature. The higher the temperature, the faster the quality declines. If a lot of heat accumulates on fruits and vegetables, the heat cannot be dissipated in time, which will accelerate the deterioration of quality and shorten the storage period. Once the freshness and quality of the fruit decline, it is impossible to recover, so pre-cooling should be carried out as soon as possible, and the temperature must be dropped to the specified temperature quickly. It is a commercial treatment measure to quickly cool down its temperature to a suitable freshness preservation. After pre-cooling, it is necessary to pack an...

Claims

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Application Information

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IPC IPC(8): A23B7/04A23B7/148
CPCA23B7/04A23B7/148
Inventor 郭嘉明李慧吕恩利李斌杜县南魏鑫钰任俊杰吴吉祥
Owner SOUTH CHINA AGRI UNIV
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