Systems and methods for washing-out concrete pouring equipment

Details Systems and methods for washing-out concrete pouring equipment Systems and methods for washing-out concrete pouring equipment

2011-02-25

2011-12-20

Kornakov, Michael (Department: 1714)

Cleaning and liquid contact with solids

Processes

Including regeneration, purification, recovery or separation...

C134S034000

Reexamination Certificate

active

08080111

ABSTRACT:
A method of washing a piece of construction equipment includes washing a portion of the piece of construction equipment with water, collecting waste materials washed from the construction equipment in a bin, allowing liquid collected in the bin to drain into a receptacle having a sloped bottom for conveying the liquid to a sump, pumping the liquid from the sump, filtering the particulate matter pumped from the pump to recover clean water, and storing the recovered clean water for recycling in a tank. Filtering includes pumping the liquid from the sump to a first settlement tank and on to a second settlement tank though a fluid path having an upwardly extending baffle providing partial wall between the first and second settlement tanks and a downwardly extending baffle spaced from the upwardly extending baffle and extending into the second settlement tank wherein liquid cascades over the upwardly extending baffle and downwardly through a space between the upwardly extending baffle and the downwardly extending baffle such that the particulate matter is left behind in the first and second settlement tanks.

REFERENCES:
patent: 5127740 (1992-07-01), DeBoer
patent: 5460431 (1995-10-01), McWilliams
patent: 5685978 (1997-11-01), Petrick et al.
patent: 5695280 (1997-12-01), Baker et al.
patent: 6802964 (2004-10-01), Preisser et al.
patent: 2004/0074903 (2004-04-01), Klempner
patent: 2004/0124190 (2004-07-01), Beyer

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