发明名称 |
METHOD AND APPARATUS OF CONTROLLING OXYGEN SUPPLY IN OXYFUEL COMBUSTION BOILER |
摘要 |
Provided are a method and an apparatus of controlling an oxygen supply in an oxyfuel combustion boiler capable of attaining stable oxyfuel combustion even when properties of coal are changed. A boiler-brought-in oxygen density is obtained when coal with a fuel ratio measured by fuel measuring means 39 is burned stably with oxygen in a boiler 4 so that a relationship between the fuel ratio and/or carbon content of the coal and the boiler-brought-in oxygen density is obtained and inputted in advance into the controller. When the coal is changed to the new kind of coal, a total amount of gases recirculated is regulated such that a boiler-brought-in oxygen density becomes accordance with a fuel ratio and/or a carbon content which is measured in advance for the new kind of coal.
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申请公布号 |
US2011083594(A1) |
申请公布日期 |
2011.04.14 |
申请号 |
US20080920602 |
申请日期 |
2008.03.06 |
申请人 |
IHI CORPORATION;ELECTRIC POWER DEVELOPMENT CO., LTD. |
发明人 |
TERUSHITA SHUUHEI;YAMADA TOSHIHIKO;WATANABE SHUZO;UCHIDA TERUTOSHI |
分类号 |
F23N3/00;F23B80/02;F23D1/00;F23K3/02;F23L7/00;F23L9/00 |
主分类号 |
F23N3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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