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US 2017/0128958 A1Published application
Sand separator vessel perforated replaceable insert apparatus and method
AssigneeAndritz Inc.
InventorsTyson B. HUNT, Alexandre DAVID
Life of this patent
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Abstract
A perforated replaceable insert for a sand separator vessel in a digester feed system where the perforations have at least a width and a length. The perforations are aligned columns and rows, with the columns being positioned to be parallel to a line formed by the tangent of the conical axis.
Claims17
A sand separator vessel to separate entrained liquor into solid particles and an essentially solid particles free liquor stream comprising:
- at least an upper section of a cylindrical portion and at least a lower section;
- a tangential inlet to the upper section of the cylindrical portion to accept the entrained liquor;
- an outlet at the top of the upper section of the cylindrical portion to discharge an essentially solid particles free liquor;
- an outlet at the bottom of the lower section to discharge the solid particles;
- the lower section having a conical portion;
- the conical portion having a conically shaped replaceable insert surrounded by a solid particles collection region;
- wherein the conically shaped replaceable insert is a metal plate with perforations in the metal plate, and the metal plate is formed into a conical shape sized to fit within the conical portion of the lower section;
- the perforations in the metal plate are slots having a length “L” and a width “W”;
- the slots are arranged in a pattern of rows and columns such that the columns of slots are parallel to a line formed by the tangent of the conical axis of the replaceable insert.
6 more elements
A perforated replaceable insert for a separation device comprising:
- a metal plate having a conical shape, and wherein the conical shape has a larger opening at one end and a smaller opening at the opposite end, and
- multiple perforations in the conically shaped metal plate, wherein each of the multiple perforations has at least a length “L” and a width “W,” and the multiple perforations form a pattern of columns and rows in the metal plate, wherein the columns are all placed in the metal plate and the columns of perforations are parallel to a line formed by the tangent of the conical axis of the replaceable insert.
Dependencies are inferred from the claim text.