A kind of immersion spray compound type fruit and vegetable pre-cooling device
A composite, fruit and vegetable technology, applied in the direction of preservation of fruits/vegetables through freezing/refrigeration, etc., can solve the problems of over-precooling and under-precooling, and achieve the effects of uniform pre-cooling, small water loss, and easy use.
Inactive Publication Date: 2015-08-19
SOUTH CHINA AGRI UNIV
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Problems solved by technology
In reality, different fruits and vegetables may require different methods for cold water pre-cooling; at the same time, the current cold water pre-cooling device is mainly based on experience in controlling the temperature of fruits and vegetables, often under-precooling or over-precooling phenomenon
Method used
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Embodiment 1
[0031] like Figure 1-3 As shown, a soaking and spraying composite fruit and vegetable pre-cooling device includes a fruit and vegetable pre-cooling box 1, a flexible conveyor belt 2 arranged on the fruit and vegetable pre-cooling box 1, a height-adjustable conveyor belt support 3, and a Sprinkler 4 , power unit 5 and refrigeration unit 6 above the flexible conveyor belt 2 , the flexible conveyor belt 2 is connected to the power unit 5 , and the flexible conveyor belt 2 is arranged on the conveyor belt support 3 .
[0032] like figure 1 and 3 As shown, the sprayer 4 includes a spray pipe 41 directly above the flexible conveyor belt 2, a spray water pump 42 for drawing cold water in the fruit and vegetable precooling box 1, and a water spray pump 42 connecting the spray pipe 41 and the spray water pump 42. The transmission water pipe 43, the spray pipe 41 extends longitudinally along the conveying direction of the flexible conveyor belt 2, the spray pipe 41 can be two or one,...
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The invention discloses an immersion spraying composite fruit-vegetable pre-cooling device. The immersion spraying composite fruit-vegetable pre-cooling device comprises a fruit-vegetable pre-cooling box body, a flexible conveyor belt which is arranged on the fruit-vegetable pre-cooling box body, a conveyor belt supporting seat with adjustable height, a spraying device which is arranged above the flexible conveyor belt, a power device and a refrigerating unit, wherein the flexible conveyor belt is connected with the power device, and the flexible conveyor belt is arranged on the conveyor belt supporting seat. When the watering-type cold water pre-cooling is executed, only the conveyor belt supporting seat needs to be adjusted, so that the flexible conveyor belt is integrally arranged above the water surface in the fruit-vegetable pre-cooling box body, the spraying device above the flexible conveyor belt is powered on, so that the watering-type cold water pre-cooling can be realized; when the immersion-type cold water pre-cooling is needed, only the conveyor belt supporting seat needs to be adjusted, so that the middle part of the conveyor belt descends into water in the fruit-vegetable pre-cooling box body, and the immersion-type cold water pre-cooling is realized. By adopting the immersion spraying composite fruit-vegetable pre-cooling device, different pre-cooling requirements on different fruits and vegetables can be met, the expense for purchasing multiple devices can be reduced, convenience in moving and uniformity in pre-cooling can be realized, and the water loss is low.
Description
technical field [0001] The invention relates to a fruit and vegetable precooling device, in particular to a soaking and spraying composite fruit and vegetable precooling device. Background technique [0002] Pre-cooling, as the primary link in cold chain logistics, can reduce postharvest respiratory intensity of fruits and vegetables, inhibit the release of enzymes and ethylene, reduce the physiological metabolic rate of fruits and vegetables, and reduce physiological diseases. The pre-cooled fruits and vegetables enter the cold storage or refrigerated trucks, which can reduce the consumption of cooling capacity, facilitate the regulation of the fresh-keeping environment, and also reduce the energy consumption of storage and transportation. [0003] Common pre-cooling methods include cold water pre-cooling, cold storage pre-cooling, differential pressure pre-cooling and vacuum pre-cooling. The pre-cooling speed of the cold storage is slow, the initial investment is large, t...
Claims
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IPC IPC(8): A23B7/04
Inventor 吕盛坪方思贞陆华忠吕恩利岑康华
Owner SOUTH CHINA AGRI UNIV