A device that blows gas, liquid, or powdered fuel into a combustion device. Small examples of gas burners include household gas stoves and water heaters. Small burners blow fuel gas at high speeds, suck in air to mix it, and blow it out for combustion; they are used when fuel gas is available at a pressure higher than atmospheric pressure. Large burners blow out pressurized fuel, and also rapidly mix and burn air sent by a blower; the air flow is designed to ensure a stable mixture of fuel and air and rapid combustion. They also have a flame-holding device to prevent the flame from being extinguished by the high-speed air flow. The Bunsen burner is a typical small burner, and a torch lamp is also a type of burner. [Masatake Yoshida] Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
気体、液体、微粉の燃料を燃焼装置に吹き込む装置。気体用の小型の例に家庭用のガスこんろ、湯沸かし器がある。小型のバーナーは燃料ガスを高速で流し、そこに空気を吸い込んで混合し吹き出して燃焼させるもので、大気圧以上の圧力の燃料ガスが得られる場合に用いられる。大型のバーナーは燃料を加圧し噴き出すとともに、送風機より送られた空気を急速に混合させ燃焼させるもので、安定して燃料と空気が混合し、速く燃焼するように空気の流れ方にくふうを加えている。また高速の空気流で炎が消されないように保炎装置を備えている。ブンゼンバーナーは小型の代表的なバーナーであり、トーチランプもバーナーの一種である。 [吉田正武] 出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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