CIRCUIT AND PROCESS FOR MANAGING TRANSIENTS IN A PLANT FOR CONTINUOUS MASS PRODUCTION OF GRANULATED EXPANDABLE POLYMERS
Circuit and to a process for managing transients and process and product anomalies in a plant for production of granulated expandable polymers EPS or extruded polymers XPS, said circuit being placed e.g. in a granulation plant along which are positioned:a mixing device suitable for mixing additives...
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Main Authors | , , |
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Format | Patent |
Language | English Polish |
Published |
08.05.2023
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Subjects | |
Online Access | Get full text |
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Abstract | Circuit and to a process for managing transients and process and product anomalies in a plant for production of granulated expandable polymers EPS or extruded polymers XPS, said circuit being placed e.g. in a granulation plant along which are positioned:a mixing device suitable for mixing additives and expanding agent within a stream of molten polymer;a granulator or an extrusion device positioned downstream of said mixing device;a deviation valve suitable for molten polymers placed along the line connecting said mixing device to said granulator or to said extrusion device upstream of said granulator or extruder, said deviation valve being provided with at least one inlet (A), a Stand-by position (A→C) and a Run position (A→B),said circuit further comprising a heating device downstream of said valve, a separation device downstream of said heating device suitable for physically separating the blowing agent from the polymer and any additives present therein, and a cooling device positioned between said separation device and said mixing device. |
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AbstractList | Circuit and to a process for managing transients and process and product anomalies in a plant for production of granulated expandable polymers EPS or extruded polymers XPS, said circuit being placed e.g. in a granulation plant along which are positioned:a mixing device suitable for mixing additives and expanding agent within a stream of molten polymer;a granulator or an extrusion device positioned downstream of said mixing device;a deviation valve suitable for molten polymers placed along the line connecting said mixing device to said granulator or to said extrusion device upstream of said granulator or extruder, said deviation valve being provided with at least one inlet (A), a Stand-by position (A→C) and a Run position (A→B),said circuit further comprising a heating device downstream of said valve, a separation device downstream of said heating device suitable for physically separating the blowing agent from the polymer and any additives present therein, and a cooling device positioned between said separation device and said mixing device. |
Author | GAVIOLI, SARA FELISARI, RICCARDO INGLESE, RICCARDO |
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DocumentTitleAlternate | UKŁAD DO ZARZĄDZANIA I SPOSÓB ZARZĄDZANIA STANAMI PRZEJŚCIOWYMI W INSTALACJI DO CIĄGŁEJ MASOWEJ PRODUKCJI GRANULOWANYCH POLIMERÓW EKSPANDOWALNYCH |
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Snippet | Circuit and to a process for managing transients and process and product anomalies in a plant for production of granulated expandable polymers EPS or extruded... |
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SubjectTerms | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MAKING GRANULES OR PREFORMS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP |
Title | CIRCUIT AND PROCESS FOR MANAGING TRANSIENTS IN A PLANT FOR CONTINUOUS MASS PRODUCTION OF GRANULATED EXPANDABLE POLYMERS |
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