GREENHOUSE HYDROPONIC COMPLEX Russian patent published in 2001 - IPC

FIELD: agriculture. SUBSTANCE: hydroponic complex has carcass with base defined by metal frame with spread concrete forming floor covering 5, partition walls positioned inside carcass to define vegetation sections with hydroponic units, and process section 9 with control units and auxiliary service devices. Outer and inner doors are of hermetically sealing type. Air vents with small-cell grid are positioned in upper parts of vegetation section walls. The latter are closed with light-transmitting material extending to the level of plants growing in mentioned sections. Plant growing units are provided with parallel rows of rigid hinged frames 13 having trays 14. Planting covers 15 with light-transmitting film 17 are positioned above frames 13. Tank 18 for preparing nutrient solution and supply pipelines are preferably made from light-impermeable material. Complex of such construction allows virus-free potato microtubers to be produced at low power costs. EFFECT: increased efficiency, simplified construction and reduced power consumption. 7 cl, 3 dwg