Desuperheater

Claim 1

IN A DESUPERHEATER SYSTEM, A MAIN STEAM LINE, A DESUPERHEATER IN SAID LINE, COOLING-WATER-CONDUCTING MEANS FOR CONDUCTING COOLING WATER TO AND DISCHARGING A FRACTION OF THE FLOW OF THE SAME THROUGH SAID DESUPERHEATER INTO THE MAIN LINE, SAID LAST-DIFINED MEANS INCLUDING AN EXHAUST CONNECTION EXTERNAL OF THE MAIN LINE FOR CONDUCTING UNDISCHARGED LIQUID COOLING WATER AWAY FROM SAID DESUPERHEATER AND THUS DETERMINING THE AMOUNT OF WATER DISCHARGED AT SAID DESUPERHEATER, MEANS INCLUDING A SATURATED-STREAM CONNECTEION FOR CONDUCTING SATURATED ATOMIZING STEAM TO AND SPRAYING THE SAME FROM SAID DESUPERHEATER INTO SAID MAIN LINE TO ATOMIZE THE COOLING WATER, MEANS FOR CONTROLLING THE SUPPLY OF COOLING WATER SPRAYED FROM THE DESUPERHEATER AND INCLUDING THROTTLING MEANS IN SAID EXHAUST CONNECTION, ANOTHER THROTTLING MEANS FOR CONTROLLING THE SUPPLY OF SATURATED ATOMIZING STEAM TO SAID DESUPERHEATER, AND COORDINATED CONTROL MEANS FOR SAID RESPECTIVE THROTTLING MEANS TO THROTTLE THE SUPPLY ATOMIZING STEAM TO SAID DESUPERHEATER WHEN THE QUANTITY OF COOLING WATER SPRAYED FROM SAID DESUPERHEATER INCREASES, SAID CONTROL MEANS BEING SET TO SHUT OFF SAID STEAM WHEN THE COOLING WATER DISCHARGE FLOW EXCEEDS A PREDETERMINED LIMIT.