VERFAHREN UND VORRICHTUNG ZUR REINIGUNG VON FILTERN, DIE MIT POLYMEREN UND SCHMELZBAREN HARZEN VERUNREINIGT SIND, IN SITU, OHNE DIE FILTERELEMENTE ZU ENTNEHMEN

VERFAHREN UND VORRICHTUNG ZUR REINIGUNG VON FILTERN, DIE MIT POLYMEREN UND SCHMELZBAREN HARZEN VERUNREINIGT SIND, IN SITU, OHNE DIE FILTERELEMENTE ZU ENTNEHMEN

A method and an apparatus for cleaning filters (3, 3a, 3b) contaminated by hot-melting resins and polymers in situ, without removing the filtering elements. The method comprises a preliminary step, during which the circulation of the product to be filtered through the filter to be cleaned is interru...

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description A method and an apparatus for cleaning filters (3, 3a, 3b) contaminated by hot-melting resins and polymers in situ, without removing the filtering elements. The method comprises a preliminary step, during which the circulation of the product to be filtered through the filter to be cleaned is interrupted, and a draining step, during which a pressurized draining fluid is passed through the filter (3, 3a, 3b) in order to empty the filter of the residual product. A filter cleaning step is then performed during which a cleaning fluid, constituted at least partially by superheated steam, is passed through the filter. The fluids used to clean the filter are then subjected to treatments to eliminate pollutants.
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subjects PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
title VERFAHREN UND VORRICHTUNG ZUR REINIGUNG VON FILTERN, DIE MIT POLYMEREN UND SCHMELZBAREN HARZEN VERUNREINIGT SIND, IN SITU, OHNE DIE FILTERELEMENTE ZU ENTNEHMEN
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