NFT(Nutrient film technique)水肥一体化栽培系统采用PLC作为控制器、触摸屏作为人机交互界面,该系统能够使营养液按照设定的EC、pH和灌溉周期自动实现分区轮流灌溉,并具有远程监控功能。经实际运用证明,该NFT水肥系统运行稳定、操作方...NFT(Nutrient film technique)水肥一体化栽培系统采用PLC作为控制器、触摸屏作为人机交互界面,该系统能够使营养液按照设定的EC、pH和灌溉周期自动实现分区轮流灌溉,并具有远程监控功能。经实际运用证明,该NFT水肥系统运行稳定、操作方便,实现了NFT营养液的循环、间歇灌溉,配肥精度高,EC控制精度为±0.3 mS/cm。经试验,运用NFT水肥一体化系统栽培的上海青直接成本为0.195元/株,每株平均产量为0.118 kg。该系统满足温室NFT栽培灌溉的需求,具有一定的应用和推广价值。展开更多
This study investigates an innovative hybrid system that combines hydroponics and microalgae in a compact portable shipping container.This container is divided into two parts;one contains the microalgae system and the...This study investigates an innovative hybrid system that combines hydroponics and microalgae in a compact portable shipping container.This container is divided into two parts;one contains the microalgae system and the other contains the hydroponic system.This combined system works by dividing the 24 hours into 12 hours of light and 12 hours of dark for each part.Both parts are connected using light-impermeable pipes that pass carbon dioxide from the dark side to the lit side and oxygen from the lit side to the dark side.In this paper,the authors developed a validated mathematical model for hydroponic and microalgae to evaluate the system’s performance.Results found by the model show the optimum parameters for the split photobioreactor and hydroponic system.The first investigated parameter is the sparger diameter for split the photobioreactor and the second is the number of plants that give the better and optimum result.The optimum modelling design for the combined hydroponic and microalgae system was using 100 plants for lettuce and three photobioreactors with a 0.009-m diameter for sparger to a photobioreactor system with an area of 15.6 m^(2).展开更多
文摘NFT(Nutrient film technique)水肥一体化栽培系统采用PLC作为控制器、触摸屏作为人机交互界面,该系统能够使营养液按照设定的EC、pH和灌溉周期自动实现分区轮流灌溉,并具有远程监控功能。经实际运用证明,该NFT水肥系统运行稳定、操作方便,实现了NFT营养液的循环、间歇灌溉,配肥精度高,EC控制精度为±0.3 mS/cm。经试验,运用NFT水肥一体化系统栽培的上海青直接成本为0.195元/株,每株平均产量为0.118 kg。该系统满足温室NFT栽培灌溉的需求,具有一定的应用和推广价值。
文摘This study investigates an innovative hybrid system that combines hydroponics and microalgae in a compact portable shipping container.This container is divided into two parts;one contains the microalgae system and the other contains the hydroponic system.This combined system works by dividing the 24 hours into 12 hours of light and 12 hours of dark for each part.Both parts are connected using light-impermeable pipes that pass carbon dioxide from the dark side to the lit side and oxygen from the lit side to the dark side.In this paper,the authors developed a validated mathematical model for hydroponic and microalgae to evaluate the system’s performance.Results found by the model show the optimum parameters for the split photobioreactor and hydroponic system.The first investigated parameter is the sparger diameter for split the photobioreactor and the second is the number of plants that give the better and optimum result.The optimum modelling design for the combined hydroponic and microalgae system was using 100 plants for lettuce and three photobioreactors with a 0.009-m diameter for sparger to a photobioreactor system with an area of 15.6 m^(2).
