Solid-oxide fuel cell system having means for controlling tail gas combustion temperature
In a solid-oxide fuel cell system, the fuel cell tail gas contains significant residual amounts of combustibles which are burned in a combustor with spent cathode air to reduce system emissions and to reclaim chemical energy in the form of heat, the hot exhaust being used to pre-heat air entering th...
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| creator | HALTINER, KARL JACOB, JR |
| description | In a solid-oxide fuel cell system, the fuel cell tail gas contains significant residual amounts of combustibles which are burned in a combustor with spent cathode air to reduce system emissions and to reclaim chemical energy in the form of heat, the hot exhaust being used to pre-heat air entering the fuel cell system. The tail gas combustibles content can vary widely as can the combustion temperature. When the temperature becomes unacceptably low, a control valve in the spent cathode air return is adjusted to divert a portion of the air around the combustor, thus enriching the fuel/air mixture and causing the combustion temperature to increase. When the temperature becomes unacceptably high, a control valve in the combustor fresh air supply is adjusted to provide more air, thus causing the mixture to become leaner and the combustion temperature to decrease. |
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The tail gas combustibles content can vary widely as can the combustion temperature. When the temperature becomes unacceptably low, a control valve in the spent cathode air return is adjusted to divert a portion of the air around the combustor, thus enriching the fuel/air mixture and causing the combustion temperature to increase. 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The tail gas combustibles content can vary widely as can the combustion temperature. When the temperature becomes unacceptably low, a control valve in the spent cathode air return is adjusted to divert a portion of the air around the combustor, thus enriching the fuel/air mixture and causing the combustion temperature to increase. When the temperature becomes unacceptably high, a control valve in the combustor fresh air supply is adjusted to provide more air, thus causing the mixture to become leaner and the combustion temperature to decrease.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>BLASTING</subject><subject>COMBUSTION APPARATUS</subject><subject>COMBUSTION PROCESSES</subject><subject>CONSUMING WASTE PRODUCTS BY COMBUSTION</subject><subject>CREMATION FURNACES</subject><subject>ELECTRICITY</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2006</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNi0EKwkAMAPfiQdQ_5AOFVvsCpeJR0IunEttsXchuyiYV_b0VfICngWFm6W4X4dAX8go9gZ-IoSNm0LcaRXjgM6QBImFS8JKhk2RZmL_WMDAMqLOM90ktSIJ5GimjTZnWbuGRlTY_rhwcm-vhVNAoLemIHSWytjlXdVmV9XZf7f5IPpmkOq0</recordid><startdate>20061004</startdate><enddate>20061004</enddate><creator>HALTINER, KARL JACOB, JR</creator><scope>EVB</scope></search><sort><creationdate>20061004</creationdate><title>Solid-oxide fuel cell system having means for controlling tail gas combustion temperature</title><author>HALTINER, KARL JACOB, JR</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP1401042B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2006</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>BLASTING</topic><topic>COMBUSTION APPARATUS</topic><topic>COMBUSTION PROCESSES</topic><topic>CONSUMING WASTE PRODUCTS BY COMBUSTION</topic><topic>CREMATION FURNACES</topic><topic>ELECTRICITY</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>HALTINER, KARL JACOB, JR</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HALTINER, KARL JACOB, JR</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Solid-oxide fuel cell system having means for controlling tail gas combustion temperature</title><date>2006-10-04</date><risdate>2006</risdate><abstract>In a solid-oxide fuel cell system, the fuel cell tail gas contains significant residual amounts of combustibles which are burned in a combustor with spent cathode air to reduce system emissions and to reclaim chemical energy in the form of heat, the hot exhaust being used to pre-heat air entering the fuel cell system. 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| language | eng ; fre ; ger |
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| subjects | BASIC ELECTRIC ELEMENTS BLASTING COMBUSTION APPARATUS COMBUSTION PROCESSES CONSUMING WASTE PRODUCTS BY COMBUSTION CREMATION FURNACES ELECTRICITY HEATING LIGHTING MECHANICAL ENGINEERING PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY WEAPONS |
| title | Solid-oxide fuel cell system having means for controlling tail gas combustion temperature |
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