Structural framework supporting catalyst gauze in chemical reactors for ammonia oxidation and nitric acid production.
A rigid metallic grid or frame assembly designed to hold multiple layers of platinum-rhodium catalyst gauze in fixed position within high-temperature reactors. It maintains proper spacing, alignment, and tension of gauze layers while withstanding thermal expansion, mechanical stresses, and corrosive gas environments during ammonia oxidation processes at 800-950°C.
诱因 → 失效模式 → 工程缓解
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Nickel-chromium alloys maintain strength and resist oxidation at 800-950°C operating temperatures, preventing deformation and corrosion in ammonia-air mixtures.
Proper mesh size and tension prevent gauze contact (which causes hot spots) and ensure uniform gas flow, optimizing ammonia conversion efficiency and gauze lifespan.
Regular inspection for warping, oxidation damage, and proper tensioning during catalyst changeouts (typically every 3-12 months depending on operation).
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说明目标数量、应用场景、交期和关键技术要求，用于准备 RFQ 或供应商评估。