DEVICE FOR HEATING HOTHOUSE SOIL Russian patent published in 1995 - IPC

FIELD: agriculture. SUBSTANCE: device comprises soil-embedded water batteries 16 connected to water-distributing 15 and water-collecting 17 manifolds, water pump 13, compressor-condenser unit 4, and evaporators 5. The latter are disposed outside the hothouse, the hot water pipeline of compressor-condenser unit 4 being connected with inlet pipe of water pump 13 whose outlet pipe communicates with water-distributing manifold 15. Water-collecting manifold 17 communicates with cooling water pipeline of the compressor-condenser unit while the pipelines of liquid and gaseous coolant are connected to evaporators 5. EFFECT: improved design. 1 dwg