Device for the controlled circulation of water in an evaporator assembly

Claim 1

A THERMAL INSTALLATION FOR THE RECOVERY OF HEAT FROM A HEATING FLUID COMPRISING A PLURALITY OF IDENTICAL COLUMNS DISPOSED IN A PLURALITY OF PARALLEL ROWS AND CONNECTED TO RECEIVE AND DISCHARGE SAID HEATING FLUID, EACH OF SAID COLUMNS INCLUDING MOUNTED THEREIN ELEMENTS FOR THE CONVERSION OF WATER INTO STEAM IN AT LEAST ONE STAGE OF PRESSURE AND COMPRISING A WATER AND STEAM TANK AND WATER AND STEAM EVAPORATOR PIPES SURROUNDING SAID TANK, EACH EVAPORATOR PIPE HAVING A LOWER INLET END AND AN UPPER OUTLET END, SUBSIDIARY COLLECTORS SECURED TO SAID WATER AND STEAM TANK AND CONNECTED TO THE INLET AND OUTLET ENDS OF SAID EVAPORATOR PIPES, RESPECTIVE INLET AND OUTLET PASSAGES DEFINED BY SAID EVAPORATOR PIPE ENDS AND SAID SUBSIDIARY COLLECTORS, SAID SUBSIDIARY COLLECTORS COMMUNICATING WITH THE INTERIOR OF SAID TANK AND FORMING THEREWITH COMPLETE CIRCUITS FOR THE CIRCULATION OF STEAM AND WATER, WHEREBY WHEN SAID HEATING FLUID FLOWS THROUGH SAID COLUMNS IT PASSES OVER SAID SUBSIDIARY COLLECTORS, EVAPORATOR PIPES AND WATER AND STEAM TANKS, A DEVICE FOR THE CONTROLLED CIRCULATION OF WATER IN SAID THERMAL INSTALLATION AND COMPRISING A PLURALITY OF TUBES RESPECTIVELY CONNECTED TO SAID WATER AND STEAM TANKS IN SAID COLUMNS OF SAID THERMAL INSTALLATION, EACH OF SAID TUBES EXTENDING UPWARDLY IN A RESPECTIVE COLUMN AND HAVING AN INLET END TERMINATING INTERIORLY OF THE WATER AND STEAM TANK IN THE COLUMN, AN ASSEMBLY OF COLLECTOR PIPES SYMMETRICALLY CONNECTED WITH THEMSELVES AND WITH SAID TUBES TO FORM A SERIES OF PARALLEL BRANCHES HAVING INLET PIPES AND OUTLET PIPES, SAID OUTLET PIPES OF PRECEDING BRANCHES CONSTITUTING THE INLET PIPES OF IMMEDIATELY SUCCEEDING BRANCHES, AND THE LAST OF SAID BRANCHES HAVING ONE OUTLET PIPE, A CIRCULATION PUMP COMMUNICATING THROUGH SAID ONE OUTLET PIPE WITH SAID LAST BRANCH, AN ASSEMBLY OF DISTRIBUTING DUCTS EXTENDING SYMMETRICALLY FROM SAID PUMP AND TERMINATING IN DISCHARGE PIPES, EACH OF SAID DISCHARGE PIPES EXTENDING UPWARDLY IN A RESPECTIVE COLUMN INTO THE INTERIOR OF THE WATER AND STEAM TANK OF THE RESPECTIVE COLUMN AND DISCHARGING INTO SAID INLET PASSAGES DEFINED BY SAID SUBSIDIARY COLLECTORS, SAID LAST BRANCH DEFINING A DISTRIBUTION CENTER AND BEING DISPOSED IN THE AXIS OF SYMMETRY OF SAID ROWS OF COLUMNS AND BEING SYMMETRICALLY ASSOCIATED WITH SAID COLUMNS WITH WHICH IT COMMUNICATES.