Deep grading combustion method and system for pulverized coal
The invention discloses a deep grading combustion method and a system for pulverized coal. The system comprises a pre-combustion device, a medium-temperature combustion device, and a separator, whichare sequentially connected. The pulverized coal is partially vaporized in the pre-combustion device t...
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| creator | ZHANG HAI LIU QING WU YUXIN LYU JUNFU YUE GUANGXI YANG XIEHE ZHANG JIANSHENG ZHANG MAN YANG HAIRUI ZHANG YANG |
| description | The invention discloses a deep grading combustion method and a system for pulverized coal. The system comprises a pre-combustion device, a medium-temperature combustion device, and a separator, whichare sequentially connected. The pulverized coal is partially vaporized in the pre-combustion device to produce syngas, and the syngas enters the medium-temperature combustion device together with unburned fuel at a medium-temperature suspension combustion under the condition of graded ventilation. Combustion products are gas-solid separated by a separator, and separated solid particles are returned to the medium-temperature combustion device to participate in material circulation to circulate and burn. The pre-combustion device partially vaporizes the pulverized coal to obtain gasification syngas, which is burned in the medium-temperature combustion device, gasifies three types of fine, medium and coarse particles, and improves the residence time of pulverized coal particles in the whole system, is beneficial to t |
| format | Patent |
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The system comprises a pre-combustion device, a medium-temperature combustion device, and a separator, whichare sequentially connected. The pulverized coal is partially vaporized in the pre-combustion device to produce syngas, and the syngas enters the medium-temperature combustion device together with unburned fuel at a medium-temperature suspension combustion under the condition of graded ventilation. Combustion products are gas-solid separated by a separator, and separated solid particles are returned to the medium-temperature combustion device to participate in material circulation to circulate and burn. The pre-combustion device partially vaporizes the pulverized coal to obtain gasification syngas, which is burned in the medium-temperature combustion device, gasifies three types of fine, medium and coarse particles, and improves the residence time of pulverized coal particles in the whole system, is beneficial to t</description><language>chi ; eng</language><subject>AIR ; BLASTING ; COMBUSTION APPARATUS ; COMBUSTION PROCESSES ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN ; WEAPONS</subject><creationdate>2018</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=20180713&DB=EPODOC&CC=CN&NR=108278595A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180713&DB=EPODOC&CC=CN&NR=108278595A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHANG HAI</creatorcontrib><creatorcontrib>LIU QING</creatorcontrib><creatorcontrib>WU YUXIN</creatorcontrib><creatorcontrib>LYU JUNFU</creatorcontrib><creatorcontrib>YUE GUANGXI</creatorcontrib><creatorcontrib>YANG XIEHE</creatorcontrib><creatorcontrib>ZHANG JIANSHENG</creatorcontrib><creatorcontrib>ZHANG MAN</creatorcontrib><creatorcontrib>YANG HAIRUI</creatorcontrib><creatorcontrib>ZHANG YANG</creatorcontrib><title>Deep grading combustion method and system for pulverized coal</title><description>The invention discloses a deep grading combustion method and a system for pulverized coal. 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| language | chi ; eng |
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| subjects | AIR BLASTING COMBUSTION APPARATUS COMBUSTION PROCESSES HEATING LIGHTING MECHANICAL ENGINEERING METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN WEAPONS |
| title | Deep grading combustion method and system for pulverized coal |
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