Method and device for cleaning a polymer melt
AssigneeBB Engineering GmbH
InventorsKlaus Schäfer, Jörg Alexander, Friedel Dickmeiss, Matthias Schmitz
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Abstract
Techniques involve cleaning a polymer melt, which allow volatile foreign substances and solid foreign substances to be removed from the polymer melt. Such techniques involve a filter element and a vacuum of a vacuum chamber. The polymer melt is fed through the filter element into the vacuum of the vacuum chamber, The filter element binds the solid foreign substances and the vacuum chamber takes up the volatile foreign substances.
Claims17
A method for cleaning a polymer melt, in which volatile foreign substances and solid foreign substances are removed from the polymer melt,
- wherein the polymer melt is pressed through a filter element into a vacuum of a vacuum chamber in one process step,
- wherein the solid foreign substances are taken up by the filter element,
- wherein the volatile foreign substances are collected in the vacuum chamber, and
- wherein the filter element comprises at least one filter candle or a filter plate which is held in the vacuum chamber at least in a projecting manner.
A device for cleaning a polymer melt, with which volatile foreign substances and solid foreign substances can be removed from the polymer melt, the device comprising:
- a filter element and
- a vacuum of a vacuum chamber,
- wherein the polymer melt can be guided through the filter element into the vacuum of the vacuum chamber in one process step,
- wherein the filter element binds the solid foreign substances,
- wherein the vacuum chamber receives the volatile foreign substances, and
- wherein the filter element comprises at least one filter candle or a filter plate which is held in the vacuum chamber at least in a projecting manner.
Dependencies are inferred from the claim text.