Dual lid type coal washability table with built-in air ventilati

Details Dual lid type coal washability table with built-in air ventilati Dual lid type coal washability table with built-in air ventilati

1981-04-16

1982-08-24

Hill, Ralph J.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

98115LH, 209172, B01L 900

Patent

active

043460585

ABSTRACT:
An elongated rectangular open frame table supports a rectangular sump tank open at its top and mounted below the top of the open frame and spaced from the ends and the rear of the frame. A recessed sink is formed by inclined table sink drain sheets which extend from the rear and sides of the sump tank to the table top. A pivotable first lid overlies the open top of the table frame to seal off the recessed sink and the sump tank. A removable second lid overlies the open top of the sump tank to selectively close off the recessed sink volume from the sump tank. Air register openings provided within the rear table sink drain sheet adjacent the sump tank connect via a vertical tubular ducts, to an underlying main air tube subjected to low vacuum pressure for removing toxic vapors from the recessed sink during the performance of separation tests on coal submerged within liquid provided to the sump tank. A removable, elongated support shelf is mounted and extends across the rear of the sink recessed below said access opening from one lateral sloped wall portion to the other and overlies a part of the sump tank for resting beakers or the like thereon employed in the testing process.

REFERENCES:
patent: 994950 (1911-06-01), DuPont
patent: 1934808 (1933-11-01), Liptay
patent: 2150917 (1939-03-01), Foulke
patent: 3121618 (1964-02-01), Yerzley
patent: 3273170 (1966-09-01), Wheeler
patent: 3376583 (1968-04-01), Frey
patent: 4117559 (1978-10-01), Boyle
patent: 4133660 (1979-01-01), Webb
patent: 4179984 (1979-12-01), Gorcey
patent: 4185072 (1980-01-01), Puderbaugh

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