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1. 发明专利

JPS58138912A OIL BURNER AND METHOD OF BURNING OPERATION THEREOF 失效
公开(公告)号：JPS58138912A
公开(公告)日：1983-08-18
申请号：JP2019382
申请日：1982-02-10
申请人： VOLCANO KK
发明人： OKIHARA TETSUYA , UCHIYAMA SHIYOUICHI , OZAKI TSUTOMU , UEHARA TADAAKI
IPC分类号： F23D11/24 , F23C7/02 , F23C99/00 , F23K5/04
摘要： PURPOSE:To carry out stabilized combustion under ultra-low load, by a relatively large-sized boiler equipped with a plurality of burners. CONSTITUTION:When combustion is carried out under a load set using a service system circuit, a fuel oil from an oil tank 19 is passed via a strainer 20 to a pump 21 where it is pressured, then is heated by a heater 22, and after the fuel oil is passed through a strainer 23 to an oil quantity controlling valve where the quantity of the fuel oil is controlled, the fuel oil is supplied to an oil header 25, and is supplied to every burner uniformly. The air-fuel ratio is determined by a fan damper 18a attached to a fan 18 and the oil quantity controlling valve. During the service operation, a slide damper 4.9 is slid to open fully an air intake 3.8, a fan 18 with a large capacity is driven, and equipments connected with circuits C1, D1 are operated to supply fuel oil and steam, but circuits C2, D2 are closed. In case when ultra-low load combustion is carried out, the circuit C1, D1 are closed, the circuit C2, D2 are opened, and fuel oil and steam are supplied to the oil burner B only. In this case, since combustion is effected at the primary throat of the oil burner B, the air path becomes small, and complete combustion is carried out under ultra-low load.

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