Apparatus for collecting and classifying a mixture of solid, gas

Details Apparatus for collecting and classifying a mixture of solid, gas Apparatus for collecting and classifying a mixture of solid, gas

1975-06-23

1976-11-02

Krizmanich, George H.

Chemistry: physical processes

233 11, 233 20R, 15320, 15340, 15352, B04B 1508, B04B 116, B04B 1502

Patent

active

039891844

ABSTRACT:
A vacuum cleaner wherein a mobile housing contains a tank for a supply of liquid and is connected with a first tube which supplies liquid to a brush serving to scrub and wet a surface to be treated. The brush is further connected with or adjacent to the inlet of a hose which sucks liquid, together with air and solid constituents, into the housing. Coarse solid constituents are segregated by a perforated belt which allows air, liquid and smaller solid particles to enter an upright separating and conveying unit having an air separating device at its lower end, a liquids-solids separating centrifuge in the median portion and a multi-stage compressor at its upper end. Air which is separated from liquid and solid constituents is drawn into the compressor which discharges such air into the atmosphere. The centrifuge has a stator surrounding a hollow rotor which contains a cylinder and a bottom wall defining a compartment which receives clean liquid from above. Solid particles remain in the space below and around the compartment and are evacuated at intervals, preferably in automatic response to reduction of RPM of the motor which drives the compressor. The first tube serves to convey liquid from the compartment to the brush and a second tube connects the compartment with the tank to allow liquid to flow from the tank into the compartment or vice versa. Liquid which flows through the first tube is treated by ultraviolet rays and is heated before it reaches the brush.

REFERENCES:
patent: 2104683 (1938-01-01), Rosen et al.
patent: 3700849 (1972-10-01), Zuzelo
patent: 3775053 (1973-11-01), Wisdom
patent: 3842461 (1974-10-01), Wurster

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