| 摘要 |
A gas burner is provided to eject flame in a centrally concentrated manner by forming first and second flame guide passages by a heat transfer body and first and second guide members. A gas burner includes a burner head(2) and a flame guide member(3). The burner head includes a plurality of first flame holes(23) and a plurality of second flame holes(24). A pipe connecting member is provided at one end of an annular body of the burner head. The first flame holes are arranged circularly on the upper surface of the burner head at predetermined intervals. The second flame holes are arranged circularly on the outer side of the first flame holes at predetermined intervals. The flame guide member includes a cylindrical second guide member, a cylindrical first guide member(32), a second flame guide passage, a heat transfer body(31), and a first flame guide passage(34). The second guide member is positioned on the upper surface of the burner head so as to be located on the outer side of the second flame holes. The first guide member is connected to the second guide body by a connecting bar, being accommodated in the second guide member so as to be located between the first and second flame holes. The second flame guide passage is provided between the first and second guide member. The heat transfer body is connected to the first guide member by the connecting bar, being accommodated in the first guide member so as to be located on the inner side of the first flame holes. A filling material is embedded in the heat transfer body. The first flame guide passage is provided between the first guide member and the heat transfer body.
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