发明名称 |
Kessel |
摘要 |
The invention provides a boiler provided with low cost means which can reduce a concentration of CO, an unburned matter, an attached ash and the like near a side wall and maintain a combustion state well with a simple structure. In a boiler having a combustion chamber 13 formed by front and rear walls (burner walls) provided with a plural stages of burners 2, 3 and 4 on at least one of them and opposing to each other, and side walls 1a and 1b crossing to said burner walls 14a and 14b, a gas port 6 containing no fuel for making a pressure of a gas near said side walls 1a and 1b within said combustion chamber 13 higher than a pressure of a gas at a center portion of said combustion chamber 13 is provided between an outermost burner and the side walls 1a and 1b within a range of a height of said burner stages 2, 3 and 4. A combustion gas 16 can not come close to the side walls 1a and 1b due to the jet 18 of the gas. <IMAGE> |
申请公布号 |
DE69938262(T2) |
申请公布日期 |
2009.02.19 |
申请号 |
DE1999638262T |
申请日期 |
1999.08.02 |
申请人 |
HITACHI LTD.;BABCOCK-HITACHI K.K. |
发明人 |
YAMAMOTO, KENJI;KOBAYASHI, HIRONOBU;OKAZAKI, HIROFUMI;TSUMURA, TOSHIKAZU;KIYAMA, KENJI |
分类号 |
F23C7/02;F23N5/00;F22B31/00;F23C5/00;F23C6/04;F23C7/00;F23C99/00;F24H1/00;F24H9/00;F24H9/18;F28F19/00;F28G1/16 |
主分类号 |
F23C7/02 |
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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