Multistage filter device including a housing with removable sidewalls having a filtering capacity
First Claim
1. A multi-stage filter system for separating solid material from a liquid comprising:
- a first filter device comprising a housing having a top with an opening therein, a closed bottom, and a plurality of vertically extending sidewall sections, at least one of the said sidewall sections including means to receive a pair of spaced, parallel removable vertically extending sidewall members, at least one of said removable vertical extending sidewalls including filter means to retain solids of preselected size from a liquid, and, an inwardly extending circumferential bottom seal extending around an inner surface of said housing at a preselected distance above said filter means, said seal and said closed bottom defining a prefiltered liquid inlet chamber;
a second filter device having a horizontally extending bottom cylindrical disc with a plurality of openings therethrough in sealing relation with said bottom seal, a horizontally extending top cylindrical disc with a second filter tube receiving opening therethrough, said top disc being in sealing relation with said housing, a plurality of first vertically extending filter tubes having an opening in a bottom end of each of said first filter tubes and a closed top, each bottom end being in flow communication with an opening in said bottom cylindrical disc, a second vertically extending filter tube spaced from said first filter tubes, said second filter tube having an open top in its upper end and a closed bottom, the upper end being received by said second filter tube receiving opening; and
,means to remove filtered liquid from said housing in a flow communication with said second filter tube open top.
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Abstract
A filter device for separating solid material from a liquid includes a filter housing with vertically extending removable sidewalls wherein at the location of the removable sidewalls connections are provided to receive two vertically extending sidewalls in spaced parallel relationship whereby a fluid impermeable sidewall may be inserted into the circumferential section of the housing when the liquid permeable section is removed for cleaning without interfering with the continual operation of the filter device. Moreover, the filter device of the present invention may be a first filter or pre-filter in a multi-stage filter system wherein a second filtering device is received within the first filter, the second filtering device includes a plurality of first tubular filters having an open bottom end and a closed top end and a second tubular filter centrally disposed of the first tubular filters in flow communication therewith. The second tubular filter has a closed bottom end and an outlet top end in flow communication with a discharge from the filter system.
34 Citations
16 Claims
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1. A multi-stage filter system for separating solid material from a liquid comprising:
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a first filter device comprising a housing having a top with an opening therein, a closed bottom, and a plurality of vertically extending sidewall sections, at least one of the said sidewall sections including means to receive a pair of spaced, parallel removable vertically extending sidewall members, at least one of said removable vertical extending sidewalls including filter means to retain solids of preselected size from a liquid, and, an inwardly extending circumferential bottom seal extending around an inner surface of said housing at a preselected distance above said filter means, said seal and said closed bottom defining a prefiltered liquid inlet chamber; a second filter device having a horizontally extending bottom cylindrical disc with a plurality of openings therethrough in sealing relation with said bottom seal, a horizontally extending top cylindrical disc with a second filter tube receiving opening therethrough, said top disc being in sealing relation with said housing, a plurality of first vertically extending filter tubes having an opening in a bottom end of each of said first filter tubes and a closed top, each bottom end being in flow communication with an opening in said bottom cylindrical disc, a second vertically extending filter tube spaced from said first filter tubes, said second filter tube having an open top in its upper end and a closed bottom, the upper end being received by said second filter tube receiving opening; and
,means to remove filtered liquid from said housing in a flow communication with said second filter tube open top. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification