To provide a vertical refuse incinerator which is provided with water tube walls improving energy efficiency of the vertical refuse incinerator when a waste heat boiler is adopted, reduces loss of combustion heat and increases of exhaust gas quantity, and has superior preventing performance of clinker or the like.
In the vertical refuse incinerator 1, a main body is composed of: a furnace wall 2 made of refractory material comprising an inner wall of the vertical incinerator; an exhaust gas mixing means 9 made of refractory material for segmenting an incinerator interior into a combustion chamber 11 and a secondary combustion chamber 12, and mixing and agitating exhaust gas w; an incinerated ash discharging mechanism AD arranged in a bottom of the incinerator to discharge incinerated ash A after combustion completion; and an input opening CE connected to the furnace wall 2 of a combustion chamber side face. The water tube wall 3 with plural water tubes fixed in parallel with each other is provided on an outer circumference face of the furnace wall 2. An upper header 4 and a lower header 5 are respectively provided on upper and lower ends of the tube wall 3, and one set of intermediate headers 6, 7 dividing and relaying the water tubes are provided at upper and lower height positions of a furnace wall opening 26 connected to the input opening CE.
KATSUI MOTOAKI
YOSHIDA YOSHIKATSU
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