Liquid purification or separation – Sectional chamber press type – With repair or assembling means
Patent
1975-07-17
1977-06-28
Granger, Theodore A.
Liquid purification or separation
Sectional chamber press type
With repair or assembling means
B01D 2500
Patent
active
040324508
ABSTRACT:
In the filter press of the type in which a plurality of movable frame members are arranged between a pair of heads with at least one filter cloth supported therebetween, one of the heads of the press is movably supported so that the movable head may be advanced and retracted by a hydraulic cylinder for tightening the frame members, being carried out under a condition that the heads are closest to each other so that the frame members are tightened and the cakes-discharging operation being carried out by travelling the filter cloth under another condition that the heads are remotest from each other so that the frame members are separated and the other head of the press, which is fixed in conventional filter presses, is also supported movably so that it may be advanced and retracted. A drive apparatus is provided for advancing and retracting said other head between the most retracted position in which the movable frame members are separated and a predetermined advanced position in which the movable frame members are almost closed. Such a filter press may be enlarged in scale for enlarging filtering capacity thereof without enlarging the scale of the hydraulic cylinder, thereby providing considerable savings in cost and space.
REFERENCES:
patent: 749140 (1904-01-01), Hack
patent: 1331350 (1920-02-01), Miller
patent: 1589834 (1926-06-01), Bisbee
patent: 1889225 (1932-11-01), Sperry
patent: 2933190 (1960-04-01), Peterson
patent: 3562155 (1969-02-01), Rademacher et al.
patent: 3767052 (1973-10-01), Shibasaki
Sperry Filter Presses, D. R. Sperry & Co., Batavia, Ill., July, 1957, pp. 15, 26, 30, 31, 32, 36, 37.
Granger Theodore A.
Ishigaki Kiko Co., Ltd.
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