Cleaning and liquid contact with solids – Apparatus – With treating fluid purifying or separating means
Patent
1986-08-18
1988-10-04
Sneed, H. M. S.
Cleaning and liquid contact with solids
Apparatus
With treating fluid purifying or separating means
134 221, 134 2212, 134 24, 134 254, 134 21, 55233, 55234, 55302, B08B 300
Patent
active
047749741
ABSTRACT:
A system and process for removing hazardous or toxic particulate materials from surfaces includes all components necessary for safe removal of the material in a van body that can be moved easily from one site to another. The system includes mechanism for sealing of selected areas, with tubing connecting the selected sealed areas to a separator chamber in the van body. Air pressure is lowered within the sealed enclosed area and airflow is maintained through the tube to the separator chamber. Fluidic carrier jets may also be directed within the tube toward the separator chamber. Particulate materials can be removed from the surface within the enclosure and deposited into the tube where it flows in an air and fluid carrier stream to the separator chamber. There, larger particulates are allowed to drop into a collection tank. Remaining particulate materials are filtered by a high efficiency particulate absolute filter until the air is safe to be discharged into the atmosphere. Airflow and pressure differential is produced by one or more of a series of valved fan units near a discharge end of the chamber. An auxiliary airflow tube and return air (make-up air) tube can also be connected between the chamber and enclosure.
REFERENCES:
patent: 3006436 (1958-10-01), Starbuck et al.
patent: 3795089 (1974-05-01), Reither
patent: 4093126 (1978-06-01), Castiaux
patent: 4141753 (1979-02-01), Creed
patent: 4437867 (1984-03-01), Lerner
patent: 4626291 (1986-12-01), Natale
Cohen Sharon T.
Sneed H. M. S.
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