Vacuum pre-cooling machine
A pre-cooler and vacuum technology, which is used in household refrigeration devices, cooling fluid circulation devices, lighting and heating equipment, etc. Avoid the effect of poor cooling effect and secondary pollution
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[0014] The specific implementation manners of the present invention will be described below in conjunction with the accompanying drawings.
[0015] figure 1 It is a structural schematic diagram of a vacuum precooler of the present invention.
[0016] Such as figure 1 As shown, a vacuum precooler 100 provided by the present invention includes a vacuum system, an ozone generator 2, a refrigeration system and a water supply system.
[0017] The vacuum system has a vacuum chamber 18 , a Roots pump 17 and a water ring pump 9 , the vacuum chamber 18 is used to accommodate materials, and the Roots pump 17 and the water ring pump 9 are used to evacuate the vacuum chamber 18 . The vacuum chamber 18, the Roots pump 17 and the water ring pump 9 are connected in sequence through a vacuum pipeline. In this embodiment, the vacuum system also has a frequency converter 15 connected to the water ring pump 9 for controlling the power of the water ring pump 9 .
[0018] Vacuum chamber 18 int...
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