SA210 Gr.C CFB Boiler Membrane Wall Panel with φ63.5×6mm Thick Wall Tube and Submerged Arc Welding
Подробная информация о продукте
| Внешний диаметр трубки: | φ63,5 мм | Толщина стенки трубы: | 6 мм |
|---|---|---|---|
| Материал трубки: | SA210 Гр.С | Материал мембранного стержня: | Q245R Углеродистая сталь |
| Трубчатая шаг: | 100-120mm | Ширина панели: | Настраиваемый |
| длина панели: | до 15000mm | Метод сварки: | Сварка под водой |
| Рабочее давление: | До 12,7 МПа | Приложение: | Котельная печь с ЦКС, зона эрозии |
| Выделить |
CFB Boiler Membrane Wall,φ63.5×6mm Thick Wall Panel,Circulating Fluidized Bed Tube |
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Описание продукта
The SA210 Gr.C CFB Boiler Membrane Wall Panel is purpose-built for circulating fluidized bed (CFB) boilers, featuring φ63.5*6mm thick-wall SA210 Gr.C carbon steel tubes. This panel is engineered to withstand the intense erosive conditions created by high-velocity solid particle circulation in CFB furnace lower sections and refractory transition zones.
Fabricated from SA210 Gr.C medium carbon steel seamless tubes with industry-leading 6mm wall thickness. In CFB boilers, the dense bed region subjects water wall tubes to severe particle impingement erosion. The 6mm heavy wall design, combined with SA210 Gr.C's high tensile strength (≥485 MPa), provides extended service life in these aggressive environments. Q245R membrane bars are joined using submerged arc welding (SAW) for deep, consistent weld penetration across the full fin width.
- CFB-Optimized Design: φ63.5*6mm tube dimensions with 100-120mm tube pitch are specifically configured for CFB boiler heat transfer characteristics and erosion management
- Erosion Resistant: 6mm wall thickness provides substantial erosion allowance for the high particle loading conditions in CFB lower furnace zones, where bed material velocities exceed 5 m/s
- Metal Spray Coating Ready: Panel surface preparation compatible with thermal spray coating (HVOF) application for additional erosion protection in the most severe wear zones
- SAW Welded Membrane: Submerged arc welding delivers full penetration fin-to-tube bonds that resist crack propagation from erosive wear at the tube-fin interface
- Field Assembly Friendly: Pre-machined weld preparation on all panel edges reduces on-site welding time and improves field joint quality control
100% UT of tube butt welds and fin-to-tube bonds. Dimensional verification including tube straightness (<2mm/meter) and panel flatness. Hydrostatic testing at 1.5x design pressure. Full material certification per ASME/ASTM standards with heat number traceability.
| Parameter | Specification |
|---|---|
| Tube OD | φ63.5mm |
| Tube Wall Thickness | 6mm |
| Tube Material | SA210 Gr.C |
| Membrane Bar Material | Q245R |
| Tube Pitch | 100-120mm |
| Welding Method | Submerged arc welding |
| Standard | ASME Section I, GB/T 9222 |
Lower furnace water wall sections (dense bed zone), refractory-to-water-wall transition areas, and cyclone inlet/outlet duct panels in circulating fluidized bed boilers from 35 t/h to 1025 t/h capacity. Also applicable for bubbling fluidized bed (BFB) boiler furnace walls.
Основные характеристики продукта
Мембранная стеновая панель для тяжелых условий эксплуатации SA210 Gr.C с трубами толщиной стенок φ63,5×6 мм для секций топки котла с циркулирующим псевдоожиженным слоем (ЦКС). Повышенная эрозионная стойкость для сред с высокоскоростными твердыми частицами.
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