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{"title":"SA -210 High Performance Water Wall Panels Efficient Heat Exchange Boiler Part","imgUrl":"https:\/\/img.chinax.com\/nimg\/16\/c2\/feb2dc5347a4fba13b9f81be12e6-200x200-1\/sa_210_high_performance_water_wall_panels_efficient_heat_exchange_boiler_part.jpg","attrs":{"Brand Name":"HD Boiler","Model Number":"Membrane Water Wall","Certification":"ISO9001,ASME,Grade A,SGS,EN","Place of Origin":"China"}}
{"title":"Carbon Steel Power Station Boiler Water Wall Panels For Waste Heat Recovery","imgUrl":"https:\/\/img.chinax.com\/nimg\/5f\/ba\/89b8f4e3588edc9d359f80daf8be-200x200-1\/carbon_steel_power_station_boiler_water_wall_panels_for_waste_heat_recovery_boilers.jpg","attrs":{"Brand Name":"HD Boiler","Model Number":"Membrane Water Wall","Certification":"ISO9001,ASME,Grade A,SGS,EN","Place of Origin":"China"}}
{"title":"SA -210 ASME Standard Front Studded Membrane Water Wall Construction In HDB","imgUrl":"https:\/\/img.chinax.com\/nimg\/23\/84\/d0af26fb4156d715e00113975709-200x200-1\/sa_210_asme_standard_front_studded_membrane_water_wall_construction_in_hdb_boiler.jpg","attrs":{"Brand Name":"HD BOILER","Model Number":"Water wall panel","Certification":"ISO9001 , SGS , TUV , ASME , EN","Place of Origin":"Zhangjiagang,China"}}
Durable ASME Compliant Membrane Walls For High Performance Biomass Boilers
Product Specifications
Attribute
Value
Material
Carbon Steel/Alloy Steel
Color
Red/blue/black
Manufacturing Level
ASME Standard
Range of Applications
Biomass Boiler
Specification
As per the drawing
Structure
Membrane wall
Port
Shanghai, Zhangjiagang
Product Introduction
The water wall is a key heating element in the boiler, made up of multiple rows of steel tubes arranged around the furnace chamber. Inside these tubes, water or steam circulates, while outside they absorb heat from the flames in the furnace.
Its main role is to capture radiant heat from high-temperature combustion gases, helping the fluid inside move upward and gradually turn into steam through heating.
Originally used mainly for cooling the furnace, water walls have evolved into the primary heating surface in today's boilers thanks to their efficient heat transfer. They are especially important in high-capacity boilers, where they can absorb 40% to 50%—or even more—of the total heat in the system.
Key Advantages
Ensures furnace wall leakproofness and reduces combustion chamber air leakage
Provides complete combustion chamber water cooling, preventing coking during supplemental firing
Features minimal thermal storage capacity for rapid heating/cooling cycles
Top-supported design reduces framework load and facilitates overhang
Enhances tube heat absorption capacity compared to bare tubes
Factory-direct manufacturing improves component integration and reduces installation workload
Structural Classification
Plain Tube Type: Simplest structure using seamless steel pipes.
Membrane Type: Features welded fin tubes forming a sealed heating surface, improving airtightness and furnace protection.
Squeaked Tube Type: Incorporates welded pins for refractory application, ideal for difficult ignition or liquid slag discharge furnaces.
Layout variations include attached wall (single-side heating) and partition wall (double-sided heating) configurations for different boiler requirements.
Construction Details
Membrane water wall construction involves precise dimensional checks, specialized welding techniques to minimize deformation, and complex assembly for components like furnace bottoms and flame angles. Special attention is given to:
Dimensional adjustment of tube rows including width, length, and flatness
Specialized welding sequences to control shrinkage deformation
Complex assembly of rear water wall components with flame angles
Precision ball passing through specially configured piping systems
Manufacturer Profile
Hua Dong Boiler Co., Ltd. is a specialized boiler manufacturer established in 1985 with two manufacturing bases spanning 400,000 m². The company holds:
Grade A boiler and pressure vessel manufacturing licenses
ASME "S", "U", and "NB" stamps
ISO9001, SO3834, and EN12952 certifications
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Trading Company
Year Established:
1985
Total Annual:
100,000,000-120,000,000
Employee Number:
1000~1100
Ecer Certification:
Verified Supplier
Hua Dong Boiler Co., Ltd. is a high-tech enterprise specialized in manufacturing boilers. Established in early 1985s, has two manufacturing bases, this company covers 400,000㎡ with fixed assets amounting to USD 110,000,000. There are 1100 employees including 150 technicians and 600 coded welders. ... Hua Dong Boiler Co., Ltd. is a high-tech enterprise specialized in manufacturing boilers. Established in early 1985s, has two manufacturing bases, this company covers 400,000㎡ with fixed assets amounting to USD 110,000,000. There are 1100 employees including 150 technicians and 600 coded welders. ...