BOILER SYSTEM, AND BOILER SYSTEM OPERATION METHOD

• Main Authors: OHNO, Emi, OKUHARA, Hirohito, YASUDA, Kenta, WADA, Chikako, SATO, Naoki
• Format: Patent
• Language: English; French; Japanese
• Published: 08.12.2022
• Subjects: AIR; BLASTING; COMBUSTION APPARATUS; COMBUSTION PROCESSES; CONSUMING WASTE PRODUCTS BY COMBUSTION; CREMATION FURNACES; FEEDING FUEL TO COMBUSTION APPARATUS; FLUES; HEATING; LIGHTING; MECHANICAL ENGINEERING; METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN; REGULATING OR CONTROLLING COMBUSTION; REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES; WEAPONS

This boiler system comprises: a plurality of fuel storage units (first fuel storage unit 210, second fuel storage unit 212) that respectively store different types of solid fuels selected from a plurality of types of biomass, or that respectively store different types of solid fuels selected from one or more types of biomass and one or more types of coal; and a fuel supply unit 220 that supplies, to a furnace 112, the solid fuels from the plurality of fuel storage units such that the concentration of calcium contained in the combustion ash after combustion is 30% by mass or less. Ce système de chaudière comprend : une pluralité d'unités de stockage de combustible (première unité de stockage de combustible 210, seconde unité de stockage de combustible 212) qui stockent respectivement différents types de combustibles solides choisis parmi une pluralité de types de biomasse, ou qui stockent respectivement différents types de combustibles solides choisis parmi un ou plusieurs types de biomasses et un ou plusieurs types de charbon; et une unité d'alimentation en combustible 220 qui fournit, à un four 112, les combustibles solides provenant de la pluralité d'unités de stockage de combustible de sorte que la concentration de calcium contenue dans les cendres de combustion après combustion soit de 30 % en masse ou moins. ボイラシステムは、複数種類のバイオマスから選択される、種類の異なる固体燃料をそれぞれ貯留する、もしくは、１または複数種類のバイオマスおよび１または複数種類の石炭から選択される、種類の異なる固体燃料をそれぞれ貯留する、複数の燃料貯留部（第１燃料貯留部２１０、第２燃料貯留部２１２）と、燃焼後の燃焼灰に含まれるカルシウムの濃度が３０質量％以下となるように、複数の燃料貯留部それぞれから固体燃料を火炉１１２に供給する燃料供給部２２０と、を備える。