JPS6467507A - Combustion equipment - Google Patents

Abstract

PURPOSE:To widen the width of adjustment of the quantity of combustion and to prevent extraordinary flame formation from occurring at the time of abrupt change of combustion mode from a low combustion to a high combustion by providing a flow control cylinder for substantially shielding a flow control region formed between the inner flame cylinder and the flow control cylinder and providing a square hole at the upper part of an outer flame cylinder candescent part. CONSTITUTION:In a case where the exposure height of a wick 1 is lowered to reduce the quantity of combustion, an unburnt gas which has flowed into an upper flow control region 31 is mostly supplied into a combustion chamber 8 and burnt by a flame. Therefore, there are almost no unburnt components in the upper flow control region 31 positioned upward of the flame. Air discharged through air holes 11 and vent holes 13 which are located upper than the flame is clean and the waste gas characteristic (CO/CO2) is not deteriorated. Accordingly, it is possible to turn down the quantity of combustion to a considerably low value, and the combustion adjustment width becomes wide. Further, at the time of abrupt change of combustion mode from low combustion to high combustion, a large quantity of air is supplied from a square hole 33 having a large opening with respect to a large quantity of evaporation to reduce the elongation of the flame and to prevent malodor due to incomplete combustion from generating.