Method and apparatus to reduce contamination of particles in a fluidized bed reactor

• Main Authors: MILLER MATTHEW J, SPANGLER MICHAEL V
• Format: Patent
• Language: Chinese; English
• Published: 12.03.2019
• Subjects: ALLOYS; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; COMPOUNDS THEREOF; DIFFUSION TREATMENT OF METALLIC MATERIAL; FERROUS OR NON-FERROUS ALLOYS; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; INORGANIC CHEMISTRY; METALLURGY; NON-METALLIC ELEMENTS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; THEIR RELEVANT APPARATUS; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS

Methods and apparatus for reducing particulate contamination in a fluidized bed reactor are disclosed. The method includes providing a fluidized bed reactor assembly within a fluidized bed reactor, the fluidized bed reactor assembly having a surface facing the silicon coated particles during operation of the fluidized bed reactor, wherein the surface comprises a metal at least partially coated with a protective layer is a nickel based superalloy including 4-30% Mo, 5-25% Cr, 2-15% Co, <=3.5% Ti, <=2% Fe, <=2% Al Nickel-based super, <=1%Mn, <=1%Si, <=0.5%Cu, <=0.1%C, <=0.1%Zr, <=0.01%B and 23.4-89% nickel and having an average thickness of from 0.1 mm to 1 mm; and operating the fluidized bed reactor to produce silicon coated particles. 本发明公开了减少流化床反应器内颗粒污染的方法和装置。所述方法包括：在流化床反应器内提供流化床反应器组件，该流化床反应器组件具有在所述流化床反应器操作期间面向涂硅颗粒的表面，其中所述表面包含至少部分地涂布有保护层的金属，该保护层是包含4-30％Mo、5-25％Cr、2-15％Co、≤3.5％Ti、≤2％Fe、≤2％Al、≤1％Mn、≤1％Si、≤0.5％Cu、≤0.1％C、≤0.1％Zr、≤0.01％B和23.4-89％镍的镍基超合金，并具有0.1mm至1mm的平均厚度；以及操作所述流化床反应器以制造涂硅颗粒。