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我国的粮食包装经历了20世纪80年代的改进包装起步阶段和90年代的改进包装有效时期,逐渐向着运输大包装与销售小包装相结合的方向改进,向防虫蛀、防霉变、保质、保鲜的方向发展。在城市里,大米、面粉的销售由国营粮店逐渐转向各种形式的零售和食品超市出售,因此,粮食的小包装将成为当今社会粮食消费的新潮流。从国外来看,发达国家粮食的销售一般都以小包装为主,如日本商品粮18%是大包装,82%为小包装;意大利商品粮20%为大包装,80%为小包装;德国商品粮21%为大包装,79%为小包装;英国商品粮22%为大包装,为小包装;美国商品粮25%为大包装,为小包78%75%装;法国商品粮32%为大包装,68%为小包装。研制开发新型的具有较高性能价格比、高生产率、高自动化,制袋—计量—灌装—抽真空(充气)—封口—热缩集合等适合粮食特性的小包装生产线,替代目前落后的包装技术和设备,以满足市场的需求,是目前急需解决的问题。
China’s grain packaging has experienced the initial stage of improving packaging in the 1980s and the effective period of improving packaging in the 1990s. It gradually improves the combination of transportation of large packages and sales of small packages. The direction of development. In the cities, the sales of rice and flour are being gradually shifted from state grain stores to various forms of retail and food supermarkets. Therefore, the small package of grain will become the new trend of food consumption in today’s society. From abroad, the sales of grain in developed countries are generally mainly in the form of small packages. For example, 18% of Japan’s commodity grain is big package and 82% is small package; 20% of Italian commodity grain is big package and 80% is small package; German commodity grain 21 % Are large packs and 79% are small packs; 22% of British commercial products are large packs, in small packs; 25% of US commercial products are large packs, 78% of which are packed in small packs; 32% Small Package. Research and development of new small packaging lines with high performance-price ratio, high productivity, high automation, bagging-metering-filling-vacuuming (inflating) -sealing-shrinking set and other suitable food features to replace the current backward packaging Technology and equipment to meet the needs of the market is the urgent need to solve the problem.