Steam outlet nozzle is a critical pressure-retaining component in steam drums that directs high-pressure steam flow from the drum to downstream equipment.
A steam outlet nozzle is a precisely engineered cylindrical or conical fitting welded to the steam drum shell that provides a controlled transition for steam flow from the drum interior to external piping systems. It serves as the primary interface between the steam drum and steam distribution network, designed to withstand high temperatures (typically 200-600°C) and pressures (1-20 MPa) while maintaining structural integrity and flow characteristics.
诱因 → 失效模式 → 工程缓解
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Reinforcement pads (or repads) compensate for material removed from the drum shell during nozzle installation, maintaining pressure boundary integrity by providing equivalent strength through the area replacement method as per ASME Section I requirements.
Nozzle sizing considers steam flow rate, velocity limits (typically 30-60 m/s for saturated steam), pressure drop requirements, and piping stress analysis. Larger diameters reduce velocity and pressure drop but increase cost and space requirements.
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CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。
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。