초록 ▼

A method and apparatus for delivering agricultural fertilizer, such as anhydrous ammonia, uniformly into the soil includes an applicator frame on which a plurality of soil-cutting knives are suspended, a supply tank of the fertilizer, a heat exchanger for cooling the fertilizer to a predetermined te

A method and apparatus for delivering agricultural fertilizer, such as anhydrous ammonia, uniformly into the soil includes an applicator frame on which a plurality of soil-cutting knives are suspended, a supply tank of the fertilizer, a heat exchanger for cooling the fertilizer to a predetermined temperature, with the coolant being delivered to the heat exchanger from an externally powered refrigeration unit, a distribution manifold for receiving the cooled fertilizer from the heat exchanger and a plurality of distribution hoses connecting the distributor individually to the knife blades and the emission nozzles associated therewith.

대표청구항 ▼

[ What is claimed is:] [1.]1. An agricultural fertilizer applicator comprising in combination:a frame mounted on wheels for movement across an agricultural field, said frame including a plurality of soil cutting knives for penetrating the soil, each knife having at least one fertilizer emitting nozz

[ What is claimed is:] [1.]1. An agricultural fertilizer applicator comprising in combination:a frame mounted on wheels for movement across an agricultural field, said frame including a plurality of soil cutting knives for penetrating the soil, each knife having at least one fertilizer emitting nozzle through which fertilizer can be emitted into the adjacent soil,a fertilizer supply tank operably connected to said frame for maintaining a supply of liquid fertilizer and a first exit hose from said tank,a heat exchanger operably connected to said frame and to said first exit hose such that fertilizer can flow from said tank through said heat exchanger,a second exit hose for carrying fertilizer from said heat exchanger,an independently powered refrigeration unit operably connected to said heat exchanger for circulating coolant through said heat exchanger, anda plurality of delivery hoses operably connecting said second exit hose to each nozzle on said soil cutting knives.