Refrigeration – Processes – Fractionally solidifying a constituent and separating the same
Patent
1982-05-20
1983-09-20
Sever, Frank
Refrigeration
Processes
Fractionally solidifying a constituent and separating the same
62124, B01D 904
Patent
active
044053495
ABSTRACT:
A freeze concentration apparatus comprising a warm concentrator tank; a conduit to deliver an aqueous liquid mixture feed stream to the warm concentrator tank; a cold concentrator tank; a conduit to feed the liquid mixture from the cold concentrator tank to a primary freeze exchanger for indirect cooling by heat exchange to a cold fluid to form ice crystals in the liquid mixture; a conduit to feed the liquid mixture containing ice crystals from the primary freeze exchanger to the cold concentrator tank; a conduit to withdraw liquid mixture from the cold concentrator tank concentrated by the freezing of water therefrom; a conduit to withdraw an ice slurry from the cold concentrator tank and deliver it to the warm concentrator tank; a conduit to withdraw an ice slurry from the warm concentrator tank and deliver it to an ice slurry washer; a spray system to wash the ice slurry in the washer with water and to collect washed ice and an aqueous mixture; a conduit to remove the aqueous mixture from the washer and deliver it to the cold concentrator tank; and an unloader to remove the washed ice from the washer.
REFERENCES:
patent: 4314455 (1982-02-01), Engdahl
Chicago Bridge & Iron Company
Sever Frank
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