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2. 发明专利

JPS6157525B2 失效
公开(公告)号：JPS6157525B2
公开(公告)日：1986-12-08
申请号：JP11205481
申请日：1981-07-17
申请人： ZINK CO JOHN
发明人： ROBAATO DEII RIIDO , RICHAADO AARU MAACHIN , HAASHERU II GUTSUDONAITO
IPC分类号： F23D11/38 , F23D11/10
摘要： A fuel oil atomizer (10) comprises a burner tube (12) through which fuel oil is supplied under selected pressure and a coaxial surrounding steam tube (34) providing an annular space (48) therebetween, the flow of steam being under greater pressure than the oil pressure. A burner head (22) is joined to the burner oil tube (12) through an orifice (20) of selected diameter. The burner head (22) has a long axial bore (24) of constant selected diameter, which leads to the burner tip, which has a plurality of tip ports (30). There are a number of transverse ports (44) between the annular steam path (48) and the central bore (24), so that the steam can flow under pressure into the central bore (24) of the burner head (22) to mix thoroughly with the pressurized oil flowing from the orifice (20). Two factors are important in the construction of the burner head (22), namely that the central bore (24) must be of constant diameter from the point where the steam and oil mix, outwardly toward the burner tip ports (30). Secondly, the total cross-sectional area of the tip ports (30) must be less than the cross-sectional area of the central bore (24).

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