BURNER AND COMBUSTION DEVICE
A burner (7) characterized by being equipped with: a fuel supply nozzle (21) to which a mixed flow of a solid fuel and a solid fuel transport gas is supplied; a flow passage that is arranged on the outside of the fuel supply nozzle (21) and that supplies combustion air separated from the mixed flow;...
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Format | Patent |
Language | English French Japanese |
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28.11.2019
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Abstract | A burner (7) characterized by being equipped with: a fuel supply nozzle (21) to which a mixed flow of a solid fuel and a solid fuel transport gas is supplied; a flow passage that is arranged on the outside of the fuel supply nozzle (21) and that supplies combustion air separated from the mixed flow; and ammonia supply nozzles (42) which are capable of supplying ammonia on the downstream side of the outlet of the fuel supply nozzle (21) toward a reduction region (53) in which oxygen in the transport gas has been consumed due to ignition of the fuel and the progress of combustion, resulting in a low oxygen concentration. Thus, it is possible to provide a burner capable of burning a mixture of a solid fuel and ammonia, and a combustion device equipped with this burner.
Brûleur (7) caractérisé en ce qu'il est équipé : d'une buse d'alimentation en combustible (21) à laquelle un flux mélangé d'un combustible solide et d'un gaz de transport de combustible solide est apporté ; d'un passage d'écoulement qui est agencé sur l'extérieur de la buse d'alimentation en combustible (21) et qui apporte de l'air de combustion séparé du flux mélangé ; et de buses d'alimentation en ammoniac (42) qui peuvent apporter de l'ammoniac sur le côté aval de la sortie de la buse d'alimentation en combustible (21) vers une région de réduction (53) dans laquelle l'oxygène dans le gaz de transport a été consommé en raison de l'allumage du combustible et de la progression de la combustion, ce qui permet d'obtenir une faible concentration en oxygène. Ainsi, il est possible de produire un brûleur pouvant brûler un mélange d'un combustible solide et d'ammoniac, et un dispositif de combustion équipé de ce brûleur.
固体燃料と固体燃料の搬送ガスとの混合流が供給される燃料供給ノズル(21)と、燃料供給ノズル(21)の外側に配置され燃焼用空気を混合流から分離して供給する流路と、燃料供給ノズル(21)の出口よりも下流側で燃料への着火と燃焼進行により搬送ガス中の酸素が消費されて低酸素濃度となった還元領域(53)に向けて、アンモニアを供給可能なアンモニア供給ノズル(42)と、を備えたことを特徴とするバーナ(7)により、固体燃料とアンモニアとを混焼可能なバーナおよび前記バーナを備えた燃焼装置を提供することができる。 |
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AbstractList | A burner (7) characterized by being equipped with: a fuel supply nozzle (21) to which a mixed flow of a solid fuel and a solid fuel transport gas is supplied; a flow passage that is arranged on the outside of the fuel supply nozzle (21) and that supplies combustion air separated from the mixed flow; and ammonia supply nozzles (42) which are capable of supplying ammonia on the downstream side of the outlet of the fuel supply nozzle (21) toward a reduction region (53) in which oxygen in the transport gas has been consumed due to ignition of the fuel and the progress of combustion, resulting in a low oxygen concentration. Thus, it is possible to provide a burner capable of burning a mixture of a solid fuel and ammonia, and a combustion device equipped with this burner.
Brûleur (7) caractérisé en ce qu'il est équipé : d'une buse d'alimentation en combustible (21) à laquelle un flux mélangé d'un combustible solide et d'un gaz de transport de combustible solide est apporté ; d'un passage d'écoulement qui est agencé sur l'extérieur de la buse d'alimentation en combustible (21) et qui apporte de l'air de combustion séparé du flux mélangé ; et de buses d'alimentation en ammoniac (42) qui peuvent apporter de l'ammoniac sur le côté aval de la sortie de la buse d'alimentation en combustible (21) vers une région de réduction (53) dans laquelle l'oxygène dans le gaz de transport a été consommé en raison de l'allumage du combustible et de la progression de la combustion, ce qui permet d'obtenir une faible concentration en oxygène. Ainsi, il est possible de produire un brûleur pouvant brûler un mélange d'un combustible solide et d'ammoniac, et un dispositif de combustion équipé de ce brûleur.
固体燃料と固体燃料の搬送ガスとの混合流が供給される燃料供給ノズル(21)と、燃料供給ノズル(21)の外側に配置され燃焼用空気を混合流から分離して供給する流路と、燃料供給ノズル(21)の出口よりも下流側で燃料への着火と燃焼進行により搬送ガス中の酸素が消費されて低酸素濃度となった還元領域(53)に向けて、アンモニアを供給可能なアンモニア供給ノズル(42)と、を備えたことを特徴とするバーナ(7)により、固体燃料とアンモニアとを混焼可能なバーナおよび前記バーナを備えた燃焼装置を提供することができる。 |
Author | YAMAUCHI Yasuhiro TANIGUCHI Hitoshi KIYAMA Kenji OCHI Kenichi KITAKAZE Kosuke |
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DocumentTitleAlternate | BRÛLEUR ET DISPOSITIF DE COMBUSTION バーナおよび燃焼装置 |
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RelatedCompanies | MITSUBISHI HITACHI POWER SYSTEMS, LTD |
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Snippet | A burner (7) characterized by being equipped with: a fuel supply nozzle (21) to which a mixed flow of a solid fuel and a solid fuel transport gas is supplied;... |
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SubjectTerms | AIR BLASTING BURNERS COMBUSTION APPARATUS COMBUSTION PROCESSES HEATING LIGHTING MECHANICAL ENGINEERING METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN WEAPONS |
Title | BURNER AND COMBUSTION DEVICE |
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