High Temperature Boiler Superheater 220t/H To 2000t/H Boiler Platen Superheater Panel

Platen Superheater Panel for High-Temperature Furnace Radiation Zone with Vertical Hanging Design

The Platen Superheater Panel is a high-temperature radiant heating surface component fabricated by Boyu Heavy Industry, designed for installation in the upper furnace of utility and large industrial boilers where it absorbs radiant heat from the furnace flame. Unlike convective serpentine coils, platen superheaters are vertical hanging panels consisting of multiple parallel tubes connected by inlet and outlet headers, exposed directly to furnace radiation. This panel serves the primary function of absorbing high-temperature radiant heat to superheat steam, providing the initial temperature rise that complements convective superheater sections. As large boilers require efficient high-temperature steam production, the platen superheater has become a standard component in modern utility and large industrial boiler designs.

The Platen Superheater Panel is specifically constructed with multiple parallel alloy steel tubes bent into vertical U-shaped loops, with upper and lower bends connecting the tube runs. Boyu fabricates panels from high-temperature alloy steel selected for furnace radiation service: 12Cr1MoVG (SA-213 T11/T22) for 520-565C service and T91 (SA-213 T91) for up to 593C service. The tubes are arranged in parallel with uniform spacing (typically 50-150mm), connected to inlet and outlet headers at the top or bottom. CNC precision bending ensures consistent bend geometry, and the vertical hanging design allows free thermal expansion downward. Standard tube sizes are 32-51mm OD with 4-7mm wall thickness.

Manufactured using certified high-temperature alloy tubes with CNC bending, robotic welding, header fabrication and comprehensive NDT, every Platen Superheater Panel undergoes 100% RT for weld joints, bend inspection, dimensional verification and hydraulic pressure testing. Boyu's integrated facility enables panel fabrication including tube bending, welding and header connection under one quality system. Typical delivery is 30-45 days for complete panel sets. Complete material certificates, welding records and NDT reports accompany every shipment. The vertical hanging design includes support brackets and expansion allowance for proper furnace installation.

One significant advantage of Boyu Platen Superheater Panels is the high-temperature alloy steel capability that ensures reliable service in the intense furnace radiation zone. Platen superheaters operate at the highest metal temperatures in the boiler, requiring materials with excellent creep and oxidation resistance. Boyu's systematic material selection (12Cr1MoVG for standard service, T91 for advanced high-temperature service) ensures appropriate material for each design condition. Additionally, the vertical hanging design with free downward thermal expansion minimizes thermal stress, a critical factor for long-term reliability in high-temperature components. The parallel tube arrangement provides uniform steam distribution and efficient radiant heat absorption.

The Platen Superheater Panel is adaptable to various large boiler types and furnace configurations, making it suitable for power generation, large industrial steam and coking waste heat applications. Its versatility enables fabrication for boiler capacities from 220t/h to 2000t/h and above, operating at pressures from high pressure (9.8MPa) to supercritical (25.4MPa, steam temp up to 571C). Furthermore, panels can be customized for specific tube counts, spacing, bend configurations and material grades, ensuring optimal performance for each boiler furnace design.

In addition to functional benefits, the Platen Superheater Panel is designed with safety and long-term reliability in mind. All high-temperature alloy materials and fabrication comply with ASME BPVC Section I and GB/T 16507 standards. Mandatory post-weld heat treatment is applied to all alloy steel welds. Boyu provides technical support for thermal design, material grade selection, creep life assessment and failure analysis, helping clients optimize platen configuration for their specific furnace conditions. Proper platen design ensures stable steam temperature and protects against overheating failures.

To summarize, the Boyu Platen Superheater Panel represents a high-quality radiant heating surface solution for large boiler furnaces. By delivering vertical hanging, high-temperature alloy steel panels with verified weld quality and dimensional accuracy, it ensures efficient radiant heat absorption, reliable high-temperature performance and long service life. Our integrated manufacturing capability, systematic high-temperature material selection and expert technical support make this product an ideal choice for large boiler manufacturers and EPC contractors. Investing in Boyu platen superheater panels is a strategic decision that supports boiler efficiency, high-temperature reliability and long-term operational performance.

Features

·        Vertical hanging design for furnace radiation zone, free downward thermal expansion

·        High-temp alloy: 12Cr1MoVG(T11/T22) for 520-565C / T91 for up to 593C

·        Multiple parallel tubes (32-51mm OD, 4-7mm WT), spacing 50-150mm

·        100% RT for weld joints + bend inspection + 1.5x hydraulic test

·        CNC precision bending + robotic welding + header fabrication integrated

·        Mandatory PWHT for all alloy steel welds

·        Suitable for 220t/h to 2000t/h+ boilers, 9.8-25.4MPa

·        Delivery: 30-45 days for complete panel sets

·        Support brackets and expansion allowance for furnace installation

·        Expert support for creep life assessment and material grade selection

Technical Parameters

Applications

The Boyu Platen Superheater Panel is a high-temperature radiant heating surface component for the upper furnace of large boilers. Manufactured in Shandong, China with vertical hanging design, this panel absorbs radiant heat to superheat steam. Certified with ISO9001, ASME, Grade A and SGS, the product guarantees high quality and reliable high-temperature performance.

This Platen Superheater Panel is widely used in large utility boilers, industrial high-pressure boilers and coking waste heat boilers where radiant heat absorption in the furnace is required. Its high-temperature alloy steel construction and vertical hanging design ensure reliable performance in the most intense furnace radiation zones.