APPARATUS FOR PREPARATION AND DELIVERY OF NUTRIENT SOLUTION Russian patent published in 1995 - IPC

FIELD: agriculture. SUBSTANCE: solution-preparing apparatus comprises tanks for mother liquors, main and additional mixing containers, pump, filters, pressure tank, distributing manifold. The novelty in the design of the solution-preparing apparatus lies in the provision of a heat exchanger and moistener which are positioned in a trench, in a layer of sand, and heat-insulated from the ambient medium. The heat exchanger is connected to the outlet of the pressure tank and the manifold inlet while the moistener, to the cold water supply system. EFFECT: higher efficiency of the solution-preparing apparatus achieved by stabilizing the temperature of the nutrient solution. 1 dwg