Liquid purification or separation – With repair or assembling means
Patent
1990-09-17
1992-01-21
Silverman, Stanley S.
Liquid purification or separation
With repair or assembling means
210435, 210437, 210440, 210455, 210453, 210457, B01D 2919, B01D 3530, B01D 2708
Patent
active
050825615
ABSTRACT:
A high pressure filter support for liquids having low or high viscosity. The support is easily cleanable and quickly dismountable. The support comprises an annular passage defined between an outer larger tubular wall and an inner smaller tubular wall, top and bottom flat plates including quick release fastening means for sealingly joining the top plate to the outer and inner tubular walls to obtain the annular passage sealingly closed. Inlet means into said annular passage are provided. The inner wall inside the annular passage has on its surface a plurality of circumferential grooves. Each of the grooves has at least one orifice through the inner wall. The orifices are of a size commensurate with the viscosity of the material to be displaced through the orifices. An outlet means is sealingly mounted on the surface of the inner wall away from the annular passage to receive the orifices. A system for making maple syrup comprising an evaporator, a filter as defined above is also disclosed. A process for the filtration of maple syrup is also disclosed. It comprises evaporating sap to obtain a syrup, feeding under pressure the syrup, by passing under pressure the syrup between a pair of concentric tubular walls as defined above, the syrup passing from said concentric tubular walls to a filter along said grooves to said orifices, and collecting from said orifices said syrup so filtered.
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Nessler Cynthia L.
Silverman Stanley S.
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