Liquid reservoir
AssigneeKvaerner Pulping Technologies Aktiebolag
InventorFinn Jacobsen
Life of this patent
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Abstract
The present invention relates to a fluid reservoir, chiefly a reservoir whose purpose is to constitute a buffer, wherein the liquid level varies substantially comprising an inlet conduit (1) for liquid, an outlet conduit (2) for liquid, reservoir walls (3), a reservoir bottom (4) and a liquid outflow arrangement (5) located inside the said reservoir, which is connected to the said inlet conduit (2), the said outflow arrangement (5) comprising means (6) to ensure that its opening (7) follows the surface of the liquid (8) in the said reservoir (3, 4), the opening (7) preferably being located so that it discharges on a level with or immediately below the said liquid surface, which significantly reduces the risk that gas is included in the liquid flowing out via the outlet conduit.
Claims19
Liquid reservoir apparatus, comprising:
- a liquid reservoir having an inlet conduit (1) for liquid, an outlet conduit (2) for liquid, reservoir walls (3), and a reservoir bottom (4);
- and
- a liquid outflow arrangement (5), located inside said reservoir, that is connected to said inlet conduit (1), said outflow arrangement (5) comprising means (6) for ensuring that an outlet opening of said outflow arrangement (7A) follows the surface of the liquid (8) in said reservoir (3, 4);
- wherein said reservoir apparatus provides a means for buffering a foaming-susceptible spent liquor from a cellulose industry, wherein a liquid level within said reservoir varies significantly and said outflow arrangement (5) also comprises a liquid/gas separating means (7) in the form of a cyclone separator for separating gas from liquid adjacent said outlet opening, said cyclone separator being submerged in the liquid in the reservoir and having motion means (7E) adjacent an inflow of the cyclone separator for applying a centrifugal force to the liquid entering the cyclone separator, and at least one opening located at an upper portion of said cyclone separator for allowing gas which has been separated from the liquid by centrifugal force in the cyclone separator to escape upwards.
Apparatus for handling foaming susceptible spent liquor in a cellulose industry, comprising:
- a reservoir (3) accommodating a volume of said liquor, said reservoir comprising a bottom (4), walls (3), and a top (15) and constituting a buffer for said spent foaming-susceptible liquor;
- wherein a level of a liquid surface (8) varies significantly in said reservoir, the reservoir also comprising at least one inlet conduit (1) for conducting said spent foaming-susceptible liquor to the reservoir via a liquid/gas separating means (7), said separating means being provided in the reservoir for separating gas from the liquid conducted through said inlet conduit, and an outlet conduit (2) for drawing off liquid from the reservoir;
- wherein said liquid/gas separating means is a cyclone separator (7) comprising a rotationally symmetrical body portion submerged in the liquid in the reservoir, motion means (7E) adjacent the inflow into the submerged rotationally symmetrical body portion for applying a centrifugal force to the liquid entering the rotationally symmetrical body portion of said cyclone separator, and at least one opening (7A, 7B) located at an upper portion of said rotationally symmetrical body portion for directing liquid to flow out in radial directions and allowing gas which has been separated from the liquid by centrifugal force in the cyclone separator to escape upwards;
- and
- means for moving the cyclone separator to vertically follow the surface (8) of the liquid in the reservoir.
Dependencies are inferred from the claim text.