Anti Abrasion CFB Water Wall 80mm 100mm Cover For Circulating Fluidized Bed Boiler

CFB Water Wall with AntiAbrasion Cover for Circulating Fluidized Bed Boiler High-Velocity Zone Protection

The CFB Water Wall with Anti-Abrasion Cover is a specialized furnace enclosure component fabricated by Boyu Heavy Industry, designed for circulating fluidized bed (CFB) boilers where high-velocity bed material circulation causes severe erosion of water wall tubes. Unlike conventional membrane walls that suffer rapid tube thinning in CFB service, this water wall features anti-abrasion covers including refractory-lined lower furnace sections, wear tiles and castable protection that shield tubes from the erosive bed material. This panel serves the primary function of providing durable furnace enclosure in the high-abrasion CFB environment, extending water wall service life from 6-12 months (bare tube) to 3-5 years (protected) and reducing forced outages caused by tube failures.

The CFB Water Wall with Anti-Abrasion Cover is specifically constructed with membrane tube panels (20G/SA-210 tubes, 80/100mm pitch) featuring multiple anti-abrasion protection systems tailored to different furnace zones. The lower furnace (dense phase zone, 0-5m above air distributor) is protected with 30-50mm thick refractory castable anchored by welded studs, providing complete tube coverage in the highest abrasion zone. The transition zone and upper furnace use removable cast iron or alloy steel wear tiles (10-20mm thick) clipped or welded to the tubes, protecting areas with moderate bed material velocity. The membrane panel base provides structural water cooling that maintains refractory and tile temperatures within safe limits.

Manufactured using automatic SAW membrane welding, stud welding for refractory anchoring, wear tile fabrication and CNC cutting, every CFB Water Wall with Anti-Abrasion Cover undergoes membrane weld inspection, stud weld verification, dimensional inspection and hydraulic pressure testing. Boyu's integrated capability enables fabrication of the base membrane panel, stud welding, refractory installation and wear tile fitting under one quality system. Typical delivery is 35-50 days for complete CFB furnace wall sets. Complete material certificates, weld records and pressure test reports accompany every shipment. The anti-abrasion components are designed for easy replacement during scheduled maintenance.

One significant advantage of Boyu CFB Water Walls with Anti-Abrasion Covers is the systematic zone-specific protection approach that addresses the varying abrasion severity across CFB furnace height. Bare water wall tubes in CFB boilers can thin at rates of 1-3mm per year in the dense phase zone, leading to tube failures within 6-12 months. By applying refractory in the lower zone and wear tiles in transition zones, Boyu extends service life to 3-5 years, dramatically reducing maintenance frequency and forced outages. Additionally, the water-cooled membrane base keeps refractory temperatures low, preventing spalling and extending refractory service life compared with uncooled refractory designs.

The CFB Water Wall with Anti-Abrasion Cover is adaptable to various CFB boiler capacities and furnace configurations, making it suitable for power generation, industrial steam, coking and waste heat recovery applications. Its versatility enables fabrication for all CFB furnace zones including lower dense phase, transition, upper dilute phase and furnace outlet sections across boiler capacities from 35t/h to 670t/h and above. Furthermore, panels can be customized for specific abrasion patterns, refractory specifications, wear tile materials and tube configurations, ensuring optimal protection for each CFB boiler design.

In addition to functional benefits, the CFB Water Wall with Anti-Abrasion Cover is designed with maintenance convenience in mind. The wear tiles are designed for individual replacement without removing the membrane panel, reducing maintenance time and cost. The refractory-lined sections can be repaired with castable patching during scheduled outages. Boyu provides technical support for abrasion pattern mapping, zone-specific protection design, refractory material selection and wear tile optimization, helping clients achieve the optimal balance between protection level, cost and service life for their specific CFB operating conditions.

To summarize, the Boyu CFB Water Wall with Anti-Abrasion Cover represents a specialized solution for the severe abrasion environment of circulating fluidized bed boilers. By delivering zone-specific protection with refractory lining and wear tiles on a water-cooled membrane base, it extends water wall service life from months to years, reduces forced outages and lowers maintenance costs. Our integrated fabrication capability, systematic zone protection approach and expert technical support make this product an ideal choice for CFB boiler manufacturers and operators. Investing in anti-abrasion CFB water walls is a strategic decision that supports long-term boiler availability, reduced maintenance and operational reliability.

Features

·        Zone-specific protection: refractory (lower dense phase) + wear tiles (transition zone)

·        20G (SA-210) membrane base, 80/100mm pitch, water-cooled for refractory temp control

·        Refractory: 30-50mm thick castable with stud anchoring in dense phase zone

·        Wear tiles: 10-20mm cast iron/alloy steel, removable for individual replacement

·        Extends service life from 6-12 months (bare) to 3-5 years (protected) in CFB

·        Reduces tube thinning rate from 1-3mm/year to near-zero in protected zones

·        100% membrane weld inspection + stud weld verification + hydraulic test

·        Suitable for 35t/h to 670t/h+ CFB boilers, all furnace zones

·        Delivery: 35-50 days for complete CFB furnace wall sets

·        Expert support for abrasion pattern mapping and zone protection design

Technical Parameters

Applications

The Boyu CFB Water Wall with Anti-Abrasion Cover is a specialized furnace enclosure component for circulating fluidized bed boilers. Manufactured in Shandong, China, this panel features zone-specific anti-abrasion protection including refractory lining and wear tiles. Certified with ISO9001, ASME, Grade A and SGS, the product guarantees high quality and long service life in abrasive CFB environments.

This CFB Water Wall is widely used in circulating fluidized bed boilers for power generation, industrial steam, coking and waste heat recovery where high-velocity bed material causes severe water wall tube erosion. Its zone-specific protection extends service life from months to years, reducing forced outages and maintenance costs.