Supercritical steam power plants

Claim 1

A CIRCUIT ARRANGEMENT FOR A FORCED FLOW ONCE THROUGH STEAM GENERATOR COMPRISING: A FIRST HEATING SECTION OF HEAT ABSORBING CONDUIT, A SECOND HEATING SECTION OF HEAT ABSORBING CONDUIT CONNECTED DOWNSTREAM OF SAID FIRST HEATIN SECTION, A HIGH PRESSURE PUMP MEANS AND A LOW PRESSURE PUMP MEANS UPSTREAM OF THE HIGH PRESSURE PUMP MEANS, THE HIGH PRESSURE PUMP MEANS BEING UPSTREAM OF THE FIRST HEATING SECTION, A FIRST SIGNAL-ACTUATED FLOW CONTROL MEANS TO CONTROL THE FLOW FROM THE HIGH PRESSURE PUMP MEANS ENTERING THE FIRST HEATING SECTION AND TO MAINTAIN AT LEAST A PREDETERMINED MINIMUM FLOW THROUGH THE FIRST HEATING SECTION AT ALL TIMES DURING OPERATION, A RECIRCULATION CONDUIT CONNECTING A FIRST POINT BETWEEN SAID FIRST HEATING SECTION AND SAID SECOND HEATING SECTION AND A SECOND POINT BETWEEN SAID LOW PRESSURE PUMP MEANS AND SAID HIGH PRESSURE PUMP MEANS, SAID HIGH PRESSURE PUMP MEANS BEING ADAPTED TO ADD SUFFICIENT PRESSURE TO FORM A GREATER PRESSURE LEVEL AT SAID FIRST POINT THAN AT SAID SECOND POINT WHEREBY THE DIRECTION OF ANY FLOW THROUGH SAID RECIRCULATION CONDUIT IS FROM SAID FIRST POINT TO SAID SECOND POINT,