POT TYPE COMBUSTION UNIT AND METHOD FOR CONTROLLING POT TYPE COMBUSTION UNIT

PROBLEM TO BE SOLVED: To restrict deflagration under user's erroneous operation (re-starting just after occurrence of combustion fan error) at a pot type combustion unit.SOLUTION: The pot type combustion unit comprises: a pot type burner formed into a cylindrical shape comprising a bottom part;...

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Hauptverfasser: OTSURA TOSHIKAZU, UCHIYAMA YOSHIKATA, FUJITA TAKAO
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To restrict deflagration under user's erroneous operation (re-starting just after occurrence of combustion fan error) at a pot type combustion unit.SOLUTION: The pot type combustion unit comprises: a pot type burner formed into a cylindrical shape comprising a bottom part; a fuel oil supply part for supplying fuel oil to the pot type burner; a heater disposed at the bottom part of the pot type burner to perform a pre-heating and ignition; a combustion fan for supplying air to the pot type burner; abnormal state detecting means for detecting abnormal state occurring at the combustion fan; stopping means to cause memory means to store a prescribed error code when the abnormal state is detected to stop an operation at the fuel oil supply part; error code determination means (S2, S4) for determining whether or not the error code is stored in the memory means; and waiting means (S8) for making a turned-on state of the heater after waiting until the temperature becomes a value lower than a prescribed allowable temperature when the result of determination is YES.SELECTED DRAWING: Figure 3 【課題】ポット式燃焼器において、ユーザの誤操作(燃焼ファンエラーが生じた直後の再起動)による爆燃を抑制する。【解決手段】有底筒状に形成されたポットバーナと、該ポットバーナに燃油を供給する燃油供給部と、該ポットバーナの底部に設けられ、予熱および点火を行うヒータと、該ポットバーナに空気を供給する燃焼ファンと、該燃焼ファンに生じた異常を検出する異常検出手段と、異常が検出された場合に記憶手段に所定のエラーコードを記憶させ、燃油供給部を停止させる停止手段と、ユーザのオン操作を検出すると、記憶手段に該エラーコードが記憶されているか否かを判定するエラーコード判定手段(S2,S4)と、その判定結果が肯定である場合は該温度が所定の許容温度以下になるまで待機した後にヒータをオン状態にする待機手段(S8)とを設けた。【選択図】図3