Vacuum heat insulation and pressure reduction type fresh food refrigeration and preservation container

• Main Authors: BAO HENGZHU, MA RUJUN, MA HAO, KAN ANKANG
• Format: Patent
• Language: Chinese; English
• Published: 05.09.2023
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; PACKAGES; PACKAGING ELEMENTS; PACKING; PERFORMING OPERATIONS; STORING; TRANSPORTING

The invention discloses a vacuum heat insulation and pressure reduction type fresh food refrigeration and preservation container which comprises a container shell and a pressure reduction bin arranged in the container shell, and one end of the pressure reduction bin is connected with a sealing bin door. A pressure regulating device and a refrigerating device are arranged on one side of the pressure reducing bin in the container shell, and a humidifying device is arranged in the pressure reducing bin; the pressure regulating device comprises a water ring vacuum pump, the pressure reducing bin is connected with a high-pressure flange through a pipeline, one end of the water ring vacuum pump is connected with the flange through an electromagnetic vacuum belt inflation valve, the other end of the water ring vacuum pump is connected with a manual pressure release valve and communicated with the atmosphere, and the water ring vacuum pump is connected with an alternating current contactor, a PLC and a pressure senso