农业工程学报2012，Vol.28Issue(17)：275-280,6.DOI:10.3969/j.issn.1002-6819.2012.17.040
液氮充注气调保鲜运输厢内环境因素间耦合关系
Coupling effect of environmental factors in fresh-keeping transportation container with controlled atmosphere by liquid nitrogen injection
摘要
Abstract
In order to research the environmental factors coupling effect in fresh-keeping transportation with controlled atmosphere, an experimental platform for environmental control was established. Experiments were carried out to investigate the effects of regulation process such as refrigeration, high-pressure atomizing humidification, liquid nitrogen injection and ventilation on temperature, humidity, O2 concentration, and CO2 concentration of the fresh-keeping environment. Results indicated that liquid nitrogen injection during controlled atmosphere process could rapidly reduce the O2 concentration, meanwhile significantly affecting temperature and humidity in the container. Similarly, refrigeration had a great impact on the humidity when decreasing the temperature. High-pressure atomizing humidification made little effect on temperature when increasing the humidity, whereas the compressor intaking the air outside the container would exerted dramatic effect on the volume fraction of O2 than intaking the air inside. Ventilation had great influence on the volume fraction of O2 and CO2. The results can provide references for integrated control strategy of fresh-keeping transportation with controlled atmosphere.关键词
运输/液氮/温度/气调/耦合/保鲜Key words
transportation/ liquid nitrogen/ temperature/ controlled atmosphere/ coupling effect/ fresh-keeping分类
农业科技引用本文复制引用
韩谞,吕恩利,陆华忠,张东霞,许锦锋,杨松夏..液氮充注气调保鲜运输厢内环境因素间耦合关系[J].农业工程学报,2012,28(17):275-280,6.基金项目
现代农业产业技术体系建设专项资金(CARS-33-13)、国家自然科学基金项目(31101363)、广东省自然科学基金资助项目(10151064201000038)、广州市农业科技项目(2011)、广东省科技计划项目(2012B020313007)和广东省扶持农业机械化发展专项项目(粤农计(2011)150号). （CARS-33-13）
