POLYMER DEVOLATILIZER INCORPORATING IMPROVED FLAT PLATE HEAT EXCHANGER DESIGN
An improved polymer devolatilization apparatus comprising a flat plate heater (22) comprising a polymer solution supply means (20), and a liquid/vapor collection and separation means, said flat plate heater further comprising a multiplicity of flat plates defining a plurality of channels (10), each...
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| creator | CLARK J. CUMMINGS BERNARD J. MEISTER |
| description | An improved polymer devolatilization apparatus comprising a flat plate heater (22) comprising a polymer solution supply means (20), and a liquid/vapor collection and separation means, said flat plate heater further comprising a multiplicity of flat plates defining a plurality of channels (10), each channel having a substantially uniform height, but varying width over the total channel length, each channel comprising three zones: a first zone (12), having a beginning (18) and a terminus, said beginning in operative communication with the polymer solution supply means, characterized by decreasing width as a function of distance from its beginning, a second zone (14) having a beginning at the terminus of the first zone and a terminus, characterized by at least one occurrence of a restrictive cross-sectional area, and a third zone (16) having a beginning at the terminus of the second zone and terminating at a liquid/vapor collection and separation region operating at reduced pressure, said third zone characterized by increasing width as a function of distance from its beginning, and provided further that the ratio of maximum width of the third zone to the maximum width of the second zone is from 2:1 to 20:1.
Un aparato de desvolatilizacion de polímero mejorado que comprende un calentador de placa plana (22), que contiene medios de suministro de solucion de polímero (20) y medios de recoleccion y separacion de liquido/vapor, dicho calentador de placa plana comprendiendo además una multiplicidad de placas planas que definen una pluralidad de canales (10), cada canal teniendo una altura substancialmente uniforme aunque de ancho variable sobre la longitud total del canal, cada canal comprendiendo tres zonas: una primera zona (12) que tiene un inicio (18) y un término, dicho inicio en comunicacion operativa con los medios de suministro de polímero, caracterizada por la reduccion del ancho como una funcion de la distancia desde su inicio, una segunda zona (14) que tiene un inicio en el término de la primera zona y un término, caracterizada mediante por lo menos la presencia de una área de seccion transversal restrictiva, y una tercera zona (16) que tiene un inicio en el término de la segunda zona y que finaliza en una region de recoleccion/separacion de líquido/vapor que opera a presion reducida, dicha tercera zona caracterizada por el incremento del ancho como una funcion de la distancia desde su inicio, y además siempre que la relacion de ancho máximo de la tercer |
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Un aparato de desvolatilizacion de polímero mejorado que comprende un calentador de placa plana (22), que contiene medios de suministro de solucion de polímero (20) y medios de recoleccion y separacion de liquido/vapor, dicho calentador de placa plana comprendiendo además una multiplicidad de placas planas que definen una pluralidad de canales (10), cada canal teniendo una altura substancialmente uniforme aunque de ancho variable sobre la longitud total del canal, cada canal comprendiendo tres zonas: una primera zona (12) que tiene un inicio (18) y un término, dicho inicio en comunicacion operativa con los medios de suministro de polímero, caracterizada por la reduccion del ancho como una funcion de la distancia desde su inicio, una segunda zona (14) que tiene un inicio en el término de la primera zona y un término, caracterizada mediante por lo menos la presencia de una área de seccion transversal restrictiva, y una tercera zona (16) que tiene un inicio en el término de la segunda zona y que finaliza en una region de recoleccion/separacion de líquido/vapor que opera a presion reducida, dicha tercera zona caracterizada por el incremento del ancho como una funcion de la distancia desde su inicio, y además siempre que la relacion de ancho máximo de la tercera zona al ancho máximo de la segunda zona sea desde 2:1 hasta 20:1.</description><edition>6</edition><language>eng ; spa</language><subject>BLASTING ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION ; HEAT EXCHANGE IN GENERAL ; HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT ; HEATING ; LIGHTING ; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS ; MECHANICAL ENGINEERING ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; SEPARATION ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TRANSPORTING ; WEAPONS</subject><creationdate>1997</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19971231&DB=EPODOC&CC=MX&NR=9604000A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25551,76302</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19971231&DB=EPODOC&CC=MX&NR=9604000A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CLARK J. CUMMINGS</creatorcontrib><creatorcontrib>BERNARD J. MEISTER</creatorcontrib><title>POLYMER DEVOLATILIZER INCORPORATING IMPROVED FLAT PLATE HEAT EXCHANGER DESIGN</title><description>An improved polymer devolatilization apparatus comprising a flat plate heater (22) comprising a polymer solution supply means (20), and a liquid/vapor collection and separation means, said flat plate heater further comprising a multiplicity of flat plates defining a plurality of channels (10), each channel having a substantially uniform height, but varying width over the total channel length, each channel comprising three zones: a first zone (12), having a beginning (18) and a terminus, said beginning in operative communication with the polymer solution supply means, characterized by decreasing width as a function of distance from its beginning, a second zone (14) having a beginning at the terminus of the first zone and a terminus, characterized by at least one occurrence of a restrictive cross-sectional area, and a third zone (16) having a beginning at the terminus of the second zone and terminating at a liquid/vapor collection and separation region operating at reduced pressure, said third zone characterized by increasing width as a function of distance from its beginning, and provided further that the ratio of maximum width of the third zone to the maximum width of the second zone is from 2:1 to 20:1.
Un aparato de desvolatilizacion de polímero mejorado que comprende un calentador de placa plana (22), que contiene medios de suministro de solucion de polímero (20) y medios de recoleccion y separacion de liquido/vapor, dicho calentador de placa plana comprendiendo además una multiplicidad de placas planas que definen una pluralidad de canales (10), cada canal teniendo una altura substancialmente uniforme aunque de ancho variable sobre la longitud total del canal, cada canal comprendiendo tres zonas: una primera zona (12) que tiene un inicio (18) y un término, dicho inicio en comunicacion operativa con los medios de suministro de polímero, caracterizada por la reduccion del ancho como una funcion de la distancia desde su inicio, una segunda zona (14) que tiene un inicio en el término de la primera zona y un término, caracterizada mediante por lo menos la presencia de una área de seccion transversal restrictiva, y una tercera zona (16) que tiene un inicio en el término de la segunda zona y que finaliza en una region de recoleccion/separacion de líquido/vapor que opera a presion reducida, dicha tercera zona caracterizada por el incremento del ancho como una funcion de la distancia desde su inicio, y además siempre que la relacion de ancho máximo de la tercera zona al ancho máximo de la segunda zona sea desde 2:1 hasta 20:1.</description><subject>BLASTING</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION</subject><subject>HEAT EXCHANGE IN GENERAL</subject><subject>HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</subject><subject>MECHANICAL ENGINEERING</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>SEPARATION</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1997</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPAN8PeJ9HUNUnBxDfP3cQzx9PGMAvI8_Zz9gwL8g4ACfu4Knr4BQf5hri4KbkAVCgFAwlXBwxXIdI1w9nD0cwdrD_Z09-NhYE1LzClO5YXS3Azybq4hzh66qQX58anFBYnJqXmpJfG-EZZmBiYGBgaOxoRVAAByni3X</recordid><startdate>19971231</startdate><enddate>19971231</enddate><creator>CLARK J. CUMMINGS</creator><creator>BERNARD J. MEISTER</creator><scope>EVB</scope></search><sort><creationdate>19971231</creationdate><title>POLYMER DEVOLATILIZER INCORPORATING IMPROVED FLAT PLATE HEAT EXCHANGER DESIGN</title><author>CLARK J. CUMMINGS ; BERNARD J. MEISTER</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_MX9604000A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; spa</language><creationdate>1997</creationdate><topic>BLASTING</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION</topic><topic>HEAT EXCHANGE IN GENERAL</topic><topic>HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</topic><topic>MECHANICAL ENGINEERING</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>SEPARATION</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>TRANSPORTING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>CLARK J. CUMMINGS</creatorcontrib><creatorcontrib>BERNARD J. MEISTER</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CLARK J. CUMMINGS</au><au>BERNARD J. MEISTER</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>POLYMER DEVOLATILIZER INCORPORATING IMPROVED FLAT PLATE HEAT EXCHANGER DESIGN</title><date>1997-12-31</date><risdate>1997</risdate><abstract>An improved polymer devolatilization apparatus comprising a flat plate heater (22) comprising a polymer solution supply means (20), and a liquid/vapor collection and separation means, said flat plate heater further comprising a multiplicity of flat plates defining a plurality of channels (10), each channel having a substantially uniform height, but varying width over the total channel length, each channel comprising three zones: a first zone (12), having a beginning (18) and a terminus, said beginning in operative communication with the polymer solution supply means, characterized by decreasing width as a function of distance from its beginning, a second zone (14) having a beginning at the terminus of the first zone and a terminus, characterized by at least one occurrence of a restrictive cross-sectional area, and a third zone (16) having a beginning at the terminus of the second zone and terminating at a liquid/vapor collection and separation region operating at reduced pressure, said third zone characterized by increasing width as a function of distance from its beginning, and provided further that the ratio of maximum width of the third zone to the maximum width of the second zone is from 2:1 to 20:1.
Un aparato de desvolatilizacion de polímero mejorado que comprende un calentador de placa plana (22), que contiene medios de suministro de solucion de polímero (20) y medios de recoleccion y separacion de liquido/vapor, dicho calentador de placa plana comprendiendo además una multiplicidad de placas planas que definen una pluralidad de canales (10), cada canal teniendo una altura substancialmente uniforme aunque de ancho variable sobre la longitud total del canal, cada canal comprendiendo tres zonas: una primera zona (12) que tiene un inicio (18) y un término, dicho inicio en comunicacion operativa con los medios de suministro de polímero, caracterizada por la reduccion del ancho como una funcion de la distancia desde su inicio, una segunda zona (14) que tiene un inicio en el término de la primera zona y un término, caracterizada mediante por lo menos la presencia de una área de seccion transversal restrictiva, y una tercera zona (16) que tiene un inicio en el término de la segunda zona y que finaliza en una region de recoleccion/separacion de líquido/vapor que opera a presion reducida, dicha tercera zona caracterizada por el incremento del ancho como una funcion de la distancia desde su inicio, y además siempre que la relacion de ancho máximo de la tercera zona al ancho máximo de la segunda zona sea desde 2:1 hasta 20:1.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING CHEMISTRY COMPOSITIONS BASED THEREON DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION HEAT EXCHANGE IN GENERAL HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING LIGHTING MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MECHANICAL ENGINEERING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WEAPONS |
| title | POLYMER DEVOLATILIZER INCORPORATING IMPROVED FLAT PLATE HEAT EXCHANGER DESIGN |
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