Cleaning and liquid contact with solids – Apparatus – With interstation fluid flow means
Patent
1975-04-07
1976-04-20
Bleutge, Robert L.
Cleaning and liquid contact with solids
Apparatus
With interstation fluid flow means
134 73, 134108, 134170, B08B 302, B08B 908
Patent
active
039511588
ABSTRACT:
An automatic cleaning machine for cleaning reusable foodstuff containers, such as bottles, cans or boxes, wherein the machine is of the type containing successive liquid cleaning and rinsing baths or stages, and is characterized by apparatus for supplying and circulating liquid in the machine which improves waste water composition. Steam derived from an evaporator holding soft water is passed through a heat exchanger to heat washing liquid in the machine. The condensate from the heat exchanger is supplied to a first rinse water tank or container for use as rinsing water immediately following the last cleaning solution stage and before the final fresh water rinse. Preferably the first rinse water container has two chambers, a second chamber receiving the condensate and storing the excess, and a first chamber receiving overflow from the second chamber. Rinse water from the first chamber, comprising condensate and cleaning agent rinsed from the treated foodstuff containers, is returned to the evaporator as feed water for reheating. The progressively concentrated evaporator water is adjustably fed back to the cleaning bath to restore cleaning agent lost or carried away to the rinsing stages on the foodstuff containers.
REFERENCES:
patent: 2617435 (1952-11-01), Kessler
patent: 2774361 (1956-12-01), Ladewig
patent: 3598131 (1971-08-01), Weihe, Jr.
Bleutge Robert L.
Bryan Roland T.
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