Multistage flash distilling plant

Claim 1

EVAPORATOR APPARATUS COMPRISING AN ELONGATED SHELL, A FIRST STAGE AND A SECOND STAGE IN SAID SHELL, EACH OF SAID STAGES EXTENDING ONLY A PORTION OF THE LENGTH OF SAID SHELL, A FIRST STAGE CONDENSER AND A SECOND STAGE CONDENSER WITHIN SAID SHELL AND OPERATIVELY ASSOCIATED WITH SAID FIRST AND SECOND STAGES RESPECTIVELY, EACH OF SAID CONDENSERS EXTENDING SUBSTANTIALLY THE FULL LENGTH OF SAID SHELLS, FIRST AND SECOND FEED DUCT MEANS IN END-TO-END RELATION IN SAID FIRST AND SECOND STAGES RESPECTIVELY, FIRST AND SECOND EXCESS FEED CHANNEL MEANS IN SAID FIRST AND SECOND FEED DUCT MEANS RETIVELY ADJACENT SAID FIRST AND SECOND FEED DUCT MEANS RESPECTIVELY, FEED INLET MEANS COMMUNICATING WITH THE FIRST FEED DUCT MEANS, AND FEED TRANSFER MEANS COMPRISING A PARTITIONED SHELL ADJACENT SAID FIRST AND SECOND STAGES, A FIRST CHAMBER AND A SECOND CHAMBER WITHIN SAID PARTITIONED SHELL, SAID FIRST CHAMBER COMMUNICATING BETWEEN SAID FIRST EXCESS FEED CHANNEL MEANS AND SAID SECOND FEED DUCT MEANS, AND SAID SECOND CHAMBER COMMUNICATING BETWEEN SAID SECOND EXCESS FEED CHANNEL MEANS AND DISCHARGE, FURTHER INCLUDING INSULATNG MEANS OPERATIVELY INTERPOSED BETWEEN SAID SECOND STAGE CONDENSER AND SAID FIRST STAGE.