Liquid purification or separation – Gravitational separator – Superposed compartments or baffles – e.g. – parallel plate type
Patent
1989-08-28
1991-02-26
Fisher, Richard V.
Liquid purification or separation
Gravitational separator
Superposed compartments or baffles, e.g., parallel plate type
2105321, B01D 2102
Patent
active
049959794
ABSTRACT:
A method of separtating trub from hot wort, in which unpurified hot wort is supplied to a settling device and after the settling process purified wort is withdrawn at a level above the bottom of the settling device, and trub is withdrawn at a level at or near the bottom of the settling device. According to the invention, a gravity-induced circulation is created in the settling device by withdrawing heat from one part of the surface of the wort liquid and screening off the other part of the surface gainst heat loss. A column of liquid topped by said one part is kept separate from a column of liquid topped by the other part throughout its entire height, except for a narrow upper gap and a bottom gap. The method can be carried out by means of a separator comprising a container with top, bottom and sidewalls and filling and drain means in which a substantially vertically extending partition wall member is disposed in the container at least throughout the major part of the height thereof to separate a first space within said container from a second space within said container, the container being partially closed by the top wall, which extends over said one space and leaves the top of the other space free, the gaps being defined between said partition wall member and said top and bottom walls, through which gaps the spaces are in communication with each other.
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patent: 4861608 (1989-08-01), Versteeh
Fisher Richard V.
Heineken Technisch Beheer B.V.
Upton Christopher
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