LOW POLLUTION COMBUSTOR AND COMBUSTION CONTROL METHOD THEREFOR
The present invention relates to a low-pollution combustor and a combustion control method therefor. The low-pollution combustor comprises a combustor head comprising a primary combustion stage and a precombustion stage, the primary combustion stage comprising a primary-combustion-stage channel and...
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| creator | DANG, Longfei CHEN, Hao XU, Rong E, Yajia CHEN, Pan SU, Mingming HE, Pei CHEN, Wei |
| description | The present invention relates to a low-pollution combustor and a combustion control method therefor. The low-pollution combustor comprises a combustor head comprising a primary combustion stage and a precombustion stage, the primary combustion stage comprising a primary-combustion-stage channel and a primary-combustion-stage swirler disposed in the primary-combustion-stage channel, wherein the primary combustion stage further comprises a pre-film plate disposed in the primary-combustion-stage channel, and the pre-film plate is radially divided into an outer-layer pre-film plate and an inner-layer pre-film plate, and wherein the positions and injection directions of fuel jet points of the primary combustion stage are configured to control fuel of the primary combustion stage to be injected into the primary-combustion-stage channel through primary-combustion-stage fuel jet orifices; and part of the fuel directly forms primary-combustion-stage direct-injection fuel spray, and the other part is hit on the pre-film plate close to an inner side of the primary-combustion-stage channel, or the two parts are respectively hit on the two layers of pre-film plates. With the cooperation of the double-layer pre-film plates and the positions and injection directions of the jet points, under different operating conditions, the combustible mixed gas is distributed in a flame tube more uniformly. |
| format | Patent |
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The low-pollution combustor comprises a combustor head comprising a primary combustion stage and a precombustion stage, the primary combustion stage comprising a primary-combustion-stage channel and a primary-combustion-stage swirler disposed in the primary-combustion-stage channel, wherein the primary combustion stage further comprises a pre-film plate disposed in the primary-combustion-stage channel, and the pre-film plate is radially divided into an outer-layer pre-film plate and an inner-layer pre-film plate, and wherein the positions and injection directions of fuel jet points of the primary combustion stage are configured to control fuel of the primary combustion stage to be injected into the primary-combustion-stage channel through primary-combustion-stage fuel jet orifices; and part of the fuel directly forms primary-combustion-stage direct-injection fuel spray, and the other part is hit on the pre-film plate close to an inner side of the primary-combustion-stage channel, or the two parts are respectively hit on the two layers of pre-film plates. With the cooperation of the double-layer pre-film plates and the positions and injection directions of the jet points, under different operating conditions, the combustible mixed gas is distributed in a flame tube more uniformly.</description><language>eng ; fre ; ger</language><subject>BLASTING ; COMBUSTION APPARATUS ; COMBUSTION PROCESSES ; GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; WEAPONS</subject><creationdate>2022</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=20220413&DB=EPODOC&CC=EP&NR=3816516A4$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220413&DB=EPODOC&CC=EP&NR=3816516A4$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DANG, Longfei</creatorcontrib><creatorcontrib>CHEN, Hao</creatorcontrib><creatorcontrib>XU, Rong</creatorcontrib><creatorcontrib>E, Yajia</creatorcontrib><creatorcontrib>CHEN, Pan</creatorcontrib><creatorcontrib>SU, Mingming</creatorcontrib><creatorcontrib>HE, Pei</creatorcontrib><creatorcontrib>CHEN, Wei</creatorcontrib><title>LOW POLLUTION COMBUSTOR AND COMBUSTION CONTROL METHOD THEREFOR</title><description>The present invention relates to a low-pollution combustor and a combustion control method therefor. The low-pollution combustor comprises a combustor head comprising a primary combustion stage and a precombustion stage, the primary combustion stage comprising a primary-combustion-stage channel and a primary-combustion-stage swirler disposed in the primary-combustion-stage channel, wherein the primary combustion stage further comprises a pre-film plate disposed in the primary-combustion-stage channel, and the pre-film plate is radially divided into an outer-layer pre-film plate and an inner-layer pre-film plate, and wherein the positions and injection directions of fuel jet points of the primary combustion stage are configured to control fuel of the primary combustion stage to be injected into the primary-combustion-stage channel through primary-combustion-stage fuel jet orifices; and part of the fuel directly forms primary-combustion-stage direct-injection fuel spray, and the other part is hit on the pre-film plate close to an inner side of the primary-combustion-stage channel, or the two parts are respectively hit on the two layers of pre-film plates. With the cooperation of the double-layer pre-film plates and the positions and injection directions of the jet points, under different operating conditions, the combustible mixed gas is distributed in a flame tube more uniformly.</description><subject>BLASTING</subject><subject>COMBUSTION APPARATUS</subject><subject>COMBUSTION PROCESSES</subject><subject>GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLDz8Q9XCPD38QkN8fT3U3D293UKDQ7xD1Jw9HOB8SASfiFB_j4Kvq4hHv4uCiEerkGubv5BPAysaYk5xam8UJqbQcHNNcTZQze1ID8-tbggMTk1L7Uk3jXA2MLQzNTQzNHEmAglAEJTKjw</recordid><startdate>20220413</startdate><enddate>20220413</enddate><creator>DANG, Longfei</creator><creator>CHEN, Hao</creator><creator>XU, Rong</creator><creator>E, Yajia</creator><creator>CHEN, Pan</creator><creator>SU, Mingming</creator><creator>HE, Pei</creator><creator>CHEN, Wei</creator><scope>EVB</scope></search><sort><creationdate>20220413</creationdate><title>LOW POLLUTION COMBUSTOR AND COMBUSTION CONTROL METHOD THEREFOR</title><author>DANG, Longfei ; CHEN, Hao ; XU, Rong ; E, Yajia ; CHEN, Pan ; SU, Mingming ; HE, Pei ; CHEN, Wei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3816516A43</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2022</creationdate><topic>BLASTING</topic><topic>COMBUSTION APPARATUS</topic><topic>COMBUSTION PROCESSES</topic><topic>GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>DANG, Longfei</creatorcontrib><creatorcontrib>CHEN, Hao</creatorcontrib><creatorcontrib>XU, Rong</creatorcontrib><creatorcontrib>E, Yajia</creatorcontrib><creatorcontrib>CHEN, Pan</creatorcontrib><creatorcontrib>SU, Mingming</creatorcontrib><creatorcontrib>HE, Pei</creatorcontrib><creatorcontrib>CHEN, Wei</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>DANG, Longfei</au><au>CHEN, Hao</au><au>XU, Rong</au><au>E, Yajia</au><au>CHEN, Pan</au><au>SU, Mingming</au><au>HE, Pei</au><au>CHEN, Wei</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>LOW POLLUTION COMBUSTOR AND COMBUSTION CONTROL METHOD THEREFOR</title><date>2022-04-13</date><risdate>2022</risdate><abstract>The present invention relates to a low-pollution combustor and a combustion control method therefor. The low-pollution combustor comprises a combustor head comprising a primary combustion stage and a precombustion stage, the primary combustion stage comprising a primary-combustion-stage channel and a primary-combustion-stage swirler disposed in the primary-combustion-stage channel, wherein the primary combustion stage further comprises a pre-film plate disposed in the primary-combustion-stage channel, and the pre-film plate is radially divided into an outer-layer pre-film plate and an inner-layer pre-film plate, and wherein the positions and injection directions of fuel jet points of the primary combustion stage are configured to control fuel of the primary combustion stage to be injected into the primary-combustion-stage channel through primary-combustion-stage fuel jet orifices; and part of the fuel directly forms primary-combustion-stage direct-injection fuel spray, and the other part is hit on the pre-film plate close to an inner side of the primary-combustion-stage channel, or the two parts are respectively hit on the two layers of pre-film plates. With the cooperation of the double-layer pre-film plates and the positions and injection directions of the jet points, under different operating conditions, the combustible mixed gas is distributed in a flame tube more uniformly.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | BLASTING COMBUSTION APPARATUS COMBUSTION PROCESSES GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS HEATING LIGHTING MECHANICAL ENGINEERING WEAPONS |
| title | LOW POLLUTION COMBUSTOR AND COMBUSTION CONTROL METHOD THEREFOR |
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