Liquid purification or separation – With means to add treating material – Directly applied to separator
Patent
1990-10-17
1992-11-17
Hart, Charles
Liquid purification or separation
With means to add treating material
Directly applied to separator
210396, 210400, 210526, 210776, 210923, C02L 140, B01D 1712
Patent
active
051640830
ABSTRACT:
Liquid is contained in a source container and oil is removed from the source container and deposited into a destination container. The apparatus includes a housing having a base, at least one wall upstanding from, and encompassing the periphery of, the base, and a top cover. A two-sided piece of material made of rubber, nylon, vinyl, or other oil gathering capable material forms an endless belt or ribbon. At least one scraper device mounted within the housing facilitates removal of oil from the material. A bi-directional pulley system including a disk rotatably mounted to the housing, adapted for engaging the material, and an electric motor adapted for engaging and rotating the disk, circulate the material from the surface of the liquid through the scraper device and back to the liquid surface. A sump situated within the base of the housing is disposed to collect oil removed from the material, and a conduit from the sump to the destination container conveys oil from the sump to the destination container. An optional device for separating liquid from oil and returning oil free liquid to the source container is also disclosed. The apparatus may be secured to the source container or an external support structure.
REFERENCES:
patent: 3700108 (1972-10-01), Richards
patent: 4089784 (1978-05-01), Ettelt et al.
patent: 4146477 (1979-03-01), Challener
patent: 4349439 (1982-09-01), Lundin
patent: 4642185 (1987-02-01), Turner et al.
patent: 4681680 (1987-07-01), Delons et al.
patent: 4876011 (1989-10-01), Betts et al.
Dougherty Ralph H.
Hart Charles
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