Polymer devolatilizer incorporating improved flat plate heat exchanger design
An improved polymer devolatilization apparatus including a flat plate heater having a multiplicity of flat plates defining a plurality of channels, each channel having a substantially uniform height but varying width over its length, each channel including three zones: a first zone in operative comm...
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| creator | CLARK J CUMMINGS BERNARD, J. MEISTER |
| description | An improved polymer devolatilization apparatus including a flat plate heater having a multiplicity of flat plates defining a plurality of channels, each channel having a substantially uniform height but varying width over its length, each channel including three zones: a first zone in operative communication with the polymer solution supply device, characterized by decreasing width as a function of distance from its beginning, a second zone beginning at the terminus of the first zone, characterized by at least one occurrence of a restrictive cross-sectional area, and a third zone beginning at the end 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. |
| format | Patent |
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MEISTER</creatorcontrib><description>An improved polymer devolatilization apparatus including a flat plate heater having a multiplicity of flat plates defining a plurality of channels, each channel having a substantially uniform height but varying width over its length, each channel including three zones: a first zone in operative communication with the polymer solution supply device, characterized by decreasing width as a function of distance from its beginning, a second zone beginning at the terminus of the first zone, characterized by at least one occurrence of a restrictive cross-sectional area, and a third zone beginning at the end 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.</description><edition>6</edition><language>eng</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>1995</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=19950925&DB=EPODOC&CC=AU&NR=1726195A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19950925&DB=EPODOC&CC=AU&NR=1726195A$$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 including a flat plate heater having a multiplicity of flat plates defining a plurality of channels, each channel having a substantially uniform height but varying width over its length, each channel including three zones: a first zone in operative communication with the polymer solution supply device, characterized by decreasing width as a function of distance from its beginning, a second zone beginning at the terminus of the first zone, characterized by at least one occurrence of a restrictive cross-sectional area, and a third zone beginning at the end 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.</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>1995</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPANyM-pzE0tUkhJLcvPSSzJzMmsAvIy85Lziwryi4ACeekKmbkFRfllqSkKaUAVCgVAIlUhIxXITK1IzkjMSwdrL85Mz-NhYE1LzClO5YXS3Azybq4hzh66qQX58anFBYnJqXmpJfGOoYbmRmaGlqaOxoRVAACGtDZR</recordid><startdate>19950925</startdate><enddate>19950925</enddate><creator>CLARK J CUMMINGS</creator><creator>BERNARD, J. 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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>1995-09-25</date><risdate>1995</risdate><abstract>An improved polymer devolatilization apparatus including a flat plate heater having a multiplicity of flat plates defining a plurality of channels, each channel having a substantially uniform height but varying width over its length, each channel including three zones: a first zone in operative communication with the polymer solution supply device, characterized by decreasing width as a function of distance from its beginning, a second zone beginning at the terminus of the first zone, characterized by at least one occurrence of a restrictive cross-sectional area, and a third zone beginning at the end 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.</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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