Method of heating boiler process feed streams
A method of heating process streams fed to a boiler incorporating an oxygen transport membrane device that includes an oxygen-containing stream and a boiler feed water stream. The membrane device separates oxygen to support combustion of a fuel and generate heat to raise the steam. Heat is recovered...
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| creator | AHMED M. MUSHTAQ CHAKRAVARTHY VIJAYARAGHAVAN SRINIVASAN VAN HASSEL BART A |
| description | A method of heating process streams fed to a boiler incorporating an oxygen transport membrane device that includes an oxygen-containing stream and a boiler feed water stream. The membrane device separates oxygen to support combustion of a fuel and generate heat to raise the steam. Heat is recovered and process streams are heated by separately heating portions of the oxygen-containing stream and the boiler feed water stream with a retentate stream produced from the oxygen separation and a flue gas stream generated from the combustion. The flow rate of the portion of the oxygen-containing stream heated by the retentate stream is greater than that heated by the flue gas stream to help minimize heat transfer area and thus, fabrication costs. Also, water is condensed from the flue gas stream during the heat exchange involved in the heat recovery to increase thermodynamic efficiency. |
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MUSHTAQ ; CHAKRAVARTHY VIJAYARAGHAVAN SRINIVASAN ; VAN HASSEL BART A</creatorcontrib><description>A method of heating process streams fed to a boiler incorporating an oxygen transport membrane device that includes an oxygen-containing stream and a boiler feed water stream. The membrane device separates oxygen to support combustion of a fuel and generate heat to raise the steam. Heat is recovered and process streams are heated by separately heating portions of the oxygen-containing stream and the boiler feed water stream with a retentate stream produced from the oxygen separation and a flue gas stream generated from the combustion. The flow rate of the portion of the oxygen-containing stream heated by the retentate stream is greater than that heated by the flue gas stream to help minimize heat transfer area and thus, fabrication costs. Also, water is condensed from the flue gas stream during the heat exchange involved in the heat recovery to increase thermodynamic efficiency.</description><language>eng</language><subject>AIR ; AIR SUPPLY ; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHINBOILERS ; BLASTING ; COMBUSTION APPARATUS ; COMBUSTION PROCESSES ; CONTROLLING WATER LEVEL ; DRAUGHT-INDUCING ; ENGINE PLANTS IN GENERAL ; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES ; FEED-WATER SUPPLY ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; HEATING ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; METHODS OF STEAM GENERATION ; METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN ; PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER ; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION ; STEAM ACCUMULATORS ; STEAM BOILERS ; STEAM ENGINE PLANTS ; STEAM ENGINES ; STEAM GENERATION ; SUPERHEATING OF STEAM ; SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE ; WEAPONS</subject><creationdate>2008</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=20080605&DB=EPODOC&CC=US&NR=2008127911A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20080605&DB=EPODOC&CC=US&NR=2008127911A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>AHMED M. MUSHTAQ</creatorcontrib><creatorcontrib>CHAKRAVARTHY VIJAYARAGHAVAN SRINIVASAN</creatorcontrib><creatorcontrib>VAN HASSEL BART A</creatorcontrib><title>Method of heating boiler process feed streams</title><description>A method of heating process streams fed to a boiler incorporating an oxygen transport membrane device that includes an oxygen-containing stream and a boiler feed water stream. The membrane device separates oxygen to support combustion of a fuel and generate heat to raise the steam. Heat is recovered and process streams are heated by separately heating portions of the oxygen-containing stream and the boiler feed water stream with a retentate stream produced from the oxygen separation and a flue gas stream generated from the combustion. The flow rate of the portion of the oxygen-containing stream heated by the retentate stream is greater than that heated by the flue gas stream to help minimize heat transfer area and thus, fabrication costs. Also, water is condensed from the flue gas stream during the heat exchange involved in the heat recovery to increase thermodynamic efficiency.</description><subject>AIR</subject><subject>AIR SUPPLY</subject><subject>AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHINBOILERS</subject><subject>BLASTING</subject><subject>COMBUSTION APPARATUS</subject><subject>COMBUSTION PROCESSES</subject><subject>CONTROLLING WATER LEVEL</subject><subject>DRAUGHT-INDUCING</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>ENGINE PLANTS NOT OTHERWISE PROVIDED FOR</subject><subject>ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES</subject><subject>FEED-WATER SUPPLY</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>METHODS OF STEAM GENERATION</subject><subject>METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN</subject><subject>PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER</subject><subject>REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION</subject><subject>STEAM ACCUMULATORS</subject><subject>STEAM BOILERS</subject><subject>STEAM ENGINE PLANTS</subject><subject>STEAM ENGINES</subject><subject>STEAM GENERATION</subject><subject>SUPERHEATING OF STEAM</subject><subject>SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2008</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZND1TS3JyE9RyE9TyEhNLMnMS1dIys_MSS1SKCjKT04tLlZIS01NUSguKUpNzC3mYWBNS8wpTuWF0twMym6uIc4euqkF-fGpxQWJyal5qSXxocFGBgYWhkbmloaGjobGxKkCAFbdKus</recordid><startdate>20080605</startdate><enddate>20080605</enddate><creator>AHMED M. 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MUSHTAQ ; CHAKRAVARTHY VIJAYARAGHAVAN SRINIVASAN ; VAN HASSEL BART A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2008127911A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2008</creationdate><topic>AIR</topic><topic>AIR SUPPLY</topic><topic>AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHINBOILERS</topic><topic>BLASTING</topic><topic>COMBUSTION APPARATUS</topic><topic>COMBUSTION PROCESSES</topic><topic>CONTROLLING WATER LEVEL</topic><topic>DRAUGHT-INDUCING</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>ENGINE PLANTS NOT OTHERWISE PROVIDED FOR</topic><topic>ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES</topic><topic>FEED-WATER SUPPLY</topic><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>METHODS OF STEAM GENERATION</topic><topic>METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN</topic><topic>PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER</topic><topic>REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION</topic><topic>STEAM ACCUMULATORS</topic><topic>STEAM BOILERS</topic><topic>STEAM ENGINE PLANTS</topic><topic>STEAM ENGINES</topic><topic>STEAM GENERATION</topic><topic>SUPERHEATING OF STEAM</topic><topic>SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>AHMED M. MUSHTAQ</creatorcontrib><creatorcontrib>CHAKRAVARTHY VIJAYARAGHAVAN SRINIVASAN</creatorcontrib><creatorcontrib>VAN HASSEL BART A</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>AHMED M. MUSHTAQ</au><au>CHAKRAVARTHY VIJAYARAGHAVAN SRINIVASAN</au><au>VAN HASSEL BART A</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method of heating boiler process feed streams</title><date>2008-06-05</date><risdate>2008</risdate><abstract>A method of heating process streams fed to a boiler incorporating an oxygen transport membrane device that includes an oxygen-containing stream and a boiler feed water stream. The membrane device separates oxygen to support combustion of a fuel and generate heat to raise the steam. Heat is recovered and process streams are heated by separately heating portions of the oxygen-containing stream and the boiler feed water stream with a retentate stream produced from the oxygen separation and a flue gas stream generated from the combustion. The flow rate of the portion of the oxygen-containing stream heated by the retentate stream is greater than that heated by the flue gas stream to help minimize heat transfer area and thus, fabrication costs. Also, water is condensed from the flue gas stream during the heat exchange involved in the heat recovery to increase thermodynamic efficiency.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AIR AIR SUPPLY AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHINBOILERS BLASTING COMBUSTION APPARATUS COMBUSTION PROCESSES CONTROLLING WATER LEVEL DRAUGHT-INDUCING ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES FEED-WATER SUPPLY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METHODS OF STEAM GENERATION METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION STEAM ACCUMULATORS STEAM BOILERS STEAM ENGINE PLANTS STEAM ENGINES STEAM GENERATION SUPERHEATING OF STEAM SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS |
| title | Method of heating boiler process feed streams |
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