Atmosphere-controlling freshness retaining control device and technology for retaining freshness of fruits and vegetables in storage bag
A fruit and vegetable fresh-keeping and control device technology, which can be used in packaging under vacuum/special atmosphere, packaging objects under special gas conditions, transportation and packaging, etc., can solve the problem of inapplicability of the modified atmosphere preservation technology for fruits and vegetables, and achieve the purpose of increasing the number of ocean-going ships Ability, strong environmental adaptability, convenient and safe access to fruits and vegetables
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[0016] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0017] The invention provides a controlled atmosphere fresh-keeping control device for fresh-keeping fruits and vegetables in a fresh-keeping bag. The controlled atmosphere fresh-keeping control device includes: a fresh-keeping bag 17 containing fruits and vegetables, a gas mixer 6, a gas detection device 7 and a circuit control device with a touch screen device9.
[0018] Between the air inlet and outlet of the fresh-keeping bag 17 and the mixed gas outlet 6d of the gas mixer 6, the vacuum pump 8 and the gas detection device inlet 7a of the gas detection device 7, the fifth electromagnetic valve 15, the sixth electromagnetic valve 16 and the fifth electromagnetic valve 15 are connected respectively. The fourth solenoid valve 14.
[0019] A second electromagnetic valve 12 is connected between the nitrogen inlet 6 b of the gas mixer 6 and the gas outlet ...
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