초록 ▼

An implement is provided for applying ammonia to the ground including a nurse tank feeding individual converters on each ground-working plow with each converter having an expansion cannister into which the gas is fed at the top and from which liquid is discharged from the bottom through a liquid out

An implement is provided for applying ammonia to the ground including a nurse tank feeding individual converters on each ground-working plow with each converter having an expansion cannister into which the gas is fed at the top and from which liquid is discharged from the bottom through a liquid outlet opening and fed to the ground. A plurality of baffles divide each expansion cannister into a plurality of expansion chambers. The liquid outlet openings of the cannisters are positioned above and adjacent the ground-working lower end portions of the respective ground plows to minimize the travel distance of depressurized liquid ammonia from the outlet openings to the ground. Each cannister is further provided with a vent opening for discharging ammonia vapor to the ground, the size of the vent opening being related to the volume of the cannister such that cold liquid ammonia will be discharged from the liquid outlet opening at approximately 2-4 psi. A liquid conduit in communication with the liquid outlet opening terminates behind and closely adjacent the lower end portion of the respective ground plow.

대표청구항 ▼

An implement for row application of cold liquid ammonia to the ground comprising, an implement frame having a plurality of ground plows having ground working lower end portions, a nurse tank connected to said frame adapted for containing pressurized ammonia, a plurality of anhydrous converters, each

An implement for row application of cold liquid ammonia to the ground comprising, an implement frame having a plurality of ground plows having ground working lower end portions, a nurse tank connected to said frame adapted for containing pressurized ammonia, a plurality of anhydrous converters, each operatively associated with a respective ground plow and adapted to convert said pressurized ammonia to cold depressurized liquid ammonia, each converter comprising a generally cylindrical expansion cannister having a side wall and top and bottom ends with an inlet opening in the top end and an outlet opening in the bottom end and a plurality of spaced apart baffles within said cannister defining a plurality of expansion chambers between said baffles and top and bottom ends, said chambers being interconnected for the flow of ammonia from said inlet opening through said chambers and outwardly through said outlet opening, a supply conduit connecting said inlet opening to said nurse tank for receiving ammonia therefrom, and a single liquid discharge conduit having only two ends, one of said ends being in communication with said outlet opening and the other of said ends terminating adjacent and closely behind said lower end portion of a respective ground plow for transmission of liquid ammonia to the ground, said outlet openings of said converters being positioned above and adjacent said lower end portions of the respective ground plows, thereby to minimize the travel distance of depressurized liquid ammonia from said outlet openings to the ground, a vent opening being provided in each cannister in communication with one of said chambers therein at a position vertically spaced from said outlet opening, and a vapor conduit communicating at one end with said vent opening and terminating at the other end thereof closely adjacent and behind said lower end portion of a respective ground plow for transmission of gas ammonia into the ground.