Fuel supply device of circulating fluidized bed boiler
AssigneeHyundai Heavy Industries Power Systems Co., Ltd.
InventorsJin Yeoung Jeong, Kyu Jong Kim
Life of this patent
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Abstract
The present invention relates to a fuel supply device of a circulating fluidized bed boiler. The fuel supply device includes: a feeder transferring fuel; a chute extending downwardly inclined from a lower end portion of the feeder to a combustor, the chute supplying the fuel to the combustor through a fuel injection hole; and a combustion heat blocking part provided at a portion of the fuel injection hole, the combustion heat blocking part preventing the fuel from being melted or burned at an end of the fuel injection hole connected to the combustor and in the fuel injection hole due to back fire. The combustion heat blocking part includes a heat shield plate installed at a sidewall of the combustor at an upper side of the fuel injection hole.
Claims6
A fuel supply device of a circulating fluidized bed boiler, comprising:
- a feeder transferring fuel;
- a chute extending downwardly inclined from a lower end portion of the feeder to a combustor, the chute supplying the fuel to the combustor through a fuel injection hole;
- and
- a combustion heat blocking part provided at a portion of the fuel injection hole, the combustion heat blocking part preventing the fuel from being melted or burned at an end of the fuel injection hole connected to the combustor and in the fuel injection hole due to back fire,
- wherein the combustion heat blocking part includes a heat shield plate installed at a sidewall of the combustor at an upper side of the fuel injection hole, and
- wherein the heat shield plate has a shape which opens a lower semicircle of the fuel injection hole and covers an upper semicircle of the fuel injection hole.
Dependencies are inferred from the claim text.