Title: Vacuum fresh-keeping warehouse with low constant temperature structure
Application Number: 98120002 Application Date: 1998.09.18
Publication Number: 1214206 Publication Date: 1999.04.21
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: A23B7/04
Applicant(s) Name: Wang Jian Address: 266101
Inventor(s) Name:
Attorney & Agent:
Abstract:
     The present invention is a movable double-insulating vacuum fresh-keeping ground or underground warehouse comprising warehouse body and door, which includes several layers of wall, foamed heat insulating layer and heat insulating sandwich layer capable of being vacuum pumped whenever necessary. The warehouse body has three-way or straight union, the vacuum path has control valve and vacuum pressure gauge, and the end is connected to control circuit, vacuum pump, air pump,ozone generator and stop valve so as to realize concentrated control and dispersed management. The stored food is not frozen and dewatered and can be preserved for a long period. The warehouse is suitable for fresh-keeping preservation of grains, vegetable,fruits, meat product and aquatic product.
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