Apparatus and method for producing liquid fertilizer

Claim 1

A LIQUID FERTILIZER CONVERTER AND COOLING SYSTEM COMPRISING, IN COMBINATION, A CLOSED TANK, A FIRST CONDUIT FOR ADMITTING WATER TO SAID TANK, A FIRST SPRAY PIPE DISPOSED IN THE UPPER AND NORMALLY VAPOR CONTAINING SPACE OF SAID TANK, A SECOND CONDUIT FOR PASSAGE OF LIQUID FROM THE LOWER PORTION OF SAID TANK TO SAID FIRST SPRAY PIPE, A SECOND SPRAY PIPE DISPOSED IN THE LOWER AND NORMALLY LIQUID CONTAINING PORTION OF SAID TANK, A THIRD SPRAY PIPE DISPOSED IN THE NORMALLY LIQUID CONTAINING PORTION OF SAID TANK, A SOURCE OF PHOSPHORIC ACID COMMUNICATING WITH SAID THIRD SPRAY PIPE, A SOURCE OF LIQUID AMMONIA COMMUNICATING WITH SAID SECOND SPRAY PIPE, A FIRST MOTOR VALVE DISPOSED OPERATIVELY IN SAID FIRST CONDUIT, A LIQUID LEVEL CONTROLLED ASSEMBLY COMMUNICATING WITH SAID FIRST VALVE TO MAINTAIN A CONSTANT LEVEL OF LIQUID IN SAID TANK, A SECOND MOTOR VALVE DISPOSED OPERATIVELY IN COMMUNICATION WITH SAID SECOND SPRAY PIPE, A THIRD MOTOR VALVE DISPOSED OPERATIVELY IN COMMUNICATION WITH SAID THIRD SPRAY PIPE, A CONTROLLER ASSEMBLY FOR OPERATING SAID SECOND AND THIRD VALVES IN RESPONSE TO PRESSURE WITHIN SAID TANK AND MEANS FOR SPRAYING COOLING WATER ON THE OUTER SURFACE OF SAID CLOSED TANK.