Liquid purification or separation – Structural installation – Geographic
Patent
1986-10-09
1989-02-28
Castel, Benoit
Liquid purification or separation
Structural installation
Geographic
2101981, 2102421, 37 66, 23953313, 239229, C02F 152, B01F 312
Patent
active
048083054
ABSTRACT:
Disclosed is a mixing valve for use in sludge treatment and solidification of sludge ponds. The valve has a main body into which the sludge suspension is pumped. Located within the main body of the valve is a flexible hose through which the sludge treating and solidification agents such as lime, cement, quicklime and sand is delivered pneumatically into the main body of the valve. The turbulence created by the discharge of air and solids into the sludge suspension causes the component to mix thoroughly with one another. Mixing is enhanced by allowing the open end of the flexible hose to be free. Thus, when blowing in the treating and solidification agents, the free end of the hose is allowed to flap within the main body of the valve thereby enhancing turbulence and mixing. The hose is flexible enough so that if pneumatic pressure is lost, the pressure of the sludge suspension within the main body and about the flexible hose will cause the flexible hose to collapse on itself thereby preventing the backflow of the sludge through the hose and into the container in which the sludge treating and solification agents are stored.
REFERENCES:
patent: 15192 (1856-06-01), Peale
patent: 2758874 (1956-08-01), Snyder
patent: 3282513 (1966-11-01), Savage
patent: 3465595 (1969-09-01), Tansony
patent: 4043909 (1977-08-01), Endo et al.
patent: 4104813 (1978-08-01), Lindsey
patent: 4217212 (1980-08-01), Deal
patent: 4347140 (1982-08-01), Condolios et al.
Castel Benoit
Reiter Bernard A.
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