Combustion heater

Details Combustion heater Combustion heater

F - Mech Eng,Light,Heat,Weapons

23

D

F23D 14/12 (2006.01) F23C 3/00 (2006.01)

Patent

CA 2713030

A combustion heater (1) includes an inner tube (20) having a supply passage (21) for combustion gas in an inner portion, and an outer tube (10) disposed to provide a separated combustion space (30) in an outer periphery of the inner tube. A hole part (24) for ejecting the combustion gas (G) is formed on a tube wall of the inner tube (20) and combustion gas (G) is ejected with ejection characteristics such that circulating flow is formed on the periphery of a stagnation point. According to this combustion heater, a stable flame can be formed without increasing costs and the heating efficiency can be improved.

L'invention concerne un réchauffeur à combustion (1) qui a un tube interne (20) doté d'un chemin d'alimentation en gaz de combustion (21), et d'un tube externe (10) placé autour de la périphérie externe du tube interne avec un espace de combustion (30) défini entre les tubes interne et externe. Des trous (24) pour l'expulsion d'un gas de combustion (G) sont formés dans la paroi du tube interne. Un point de stagnation du gaz de combustion (S) est formé sur la surface périphérique interne (10A) du tube externe, et le gaz de combustion expulsé avec expulsion des propriétés qui forment un flux de circulation autour du point de stagnation. Le réchauffeur à combustion peut former de manière stable une flamme sans augmentation du coût du réchauffeur et présente une efficacité de chauffage améliorée.

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