Supercritical Circulating Fluidized Bed Boiler

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Product thermal capacity: 0.7 - 14 MW

Working pressure: 0.7 - 1.25 Mpa

Available fuel: Nature gas, coke oven gas, biogas, methanol, liquid propane gas, diesel, heavy oil, light oil, crude oil, etc.

Available industries: Heat supplying, hospital, hotel.


WNS series horizontal internal combustion boiler is classic 3-pass wetback oil/gas fired boiler. After fuel is atomized by burner, flame is full of the wave furnace and transfer heat via furnace wall, called 1st pass; the high temperature flue gasses are collected in reversal chamber and then enter 2nd pass, which is grooved tube bundle area through heat convection, air temperature gradually falls and flows to front smoke box and enter 3rd pass, which is done in the smooth tube bundle area, and then through back smoke box lead to chimney and exhausted to the atmosphere.

Technical Advantages

Digitized Manufacture

The key processes including material cutting, rolling, drilling are made by advanced CNC machining process to reduce the assembly stress and extend boiler working lifetime.
The front and back smoke chamber plates are cut by CNC plasma cutting machine with tidy and beautiful look.

Easy Operation and Maintenance

Fully intelligent operation, with automatic adjustment and protection of burning, water level, temperature and steam pressure. The smoke box door uses the hinge structure for easy inspection, inventory and cleaning.

Long Service Life

The way to weld Smoke tube and tube sheet is to first expand to eliminate the gap between them, then adopt automatic argon arc welding to relief the stress and expand boiler service life.
Longitudinal and girth joint adopt advanced automatic submerged-arc welding for good welding quality. All longitudinal and girth joint are test by radiographic inspection.
Fin tube uses ND steel or stainless-steel material to avoid corrosion in the low temperature.
Inspection stops are set up to guarantee the sequence of expanding and welding to avoid cracking of the tube sheet holes.

Less Fuel Consumption

High quality aluminum silicate fiber is used with fire clay insulation, to control the boiler body temperature below 45℃ and reduce heat lost.
Sufficient steam storage room and heating area to generate high quality steam and high thermal power.
Condenser is added to recycle the waste heat of the exhausted smoke to increase feeding water’s temperature and reduce flue gas emission temperature and increase the thermal efficiency over 98% and save operating cost.

Circulating Fluidized-Bed Boilers - Babcock & Wilc

Drawing upon our extensive technical expertise and operating experience, B&W developed the Internal Recirculation Circulating Fluidized-Bed (IR-CFB) boiler which is the technology of choice for power plant owners seeking economy, reliability and flexibility. In addition, load-following capabilities are attainable with B&W's in-bed heat exchanger technology.


2018-5-16 · DESIGN OF CIRCULATING FLUIDIZED BED BOILERS 09 -11 MAY 2018, MANILA, PHILIPPINES joints, refractory, and L Several studies have confirmed that CFB boilers are the best method for power generation.


Key words : circulating fluidized bed ; supercritical ; boiler ; control system 600MW 、,, 。

Circulating Fluidized Bed Boiler Market Report 201

Industry Trends. Global Circulating Fluidized Bed Boiler Market size was valued over USD 38 billion in 2018 and is anticipated to expand over 400 GW by 2025.. Get more details on this report - Request Free Sample PDF Circulating fluidized bed (CFB) boiler is an advanced technology for coal combustion to achieve low emission standards.


2016-3-19 · fluidized-bed-boiler_2015_Applied-Thermal-Engineer - Applied Thermal Engineering 87 (2015) 286e29 VIP 100w VIP

Update Progress of Supercritical Circulating Fluidized Bed Boil

Circulating Fluidized Bed combustion shows excellent environment emission characteristic in commercial application,while its net electricity efficiency is lower compared with IGCC,PFBC,et al.thus the higher steam parameter should be used in CFB power plant

Development of a supercritical and an ultr

Development of a supercritical and an ultra-supercritical circulating fluidized bed boiler. Junfu LYU 1 (), Hairui YANG 1, Wen LING 2, Li NIE 3, Guangxi YUE 1, Ruixin LI 2, Ying CHEN 2, Shilong WANG 2: 1. Tsinghua University, Beijing 100084, China 2. Shenhua Group, Beijing 100031, China 3. Dongfang Boiler Works Group, Zigong 643001, China

Experimental Study on the Heat-Transfe

2017-11-28 · Heat-transfer characteristics such as the distribution of the local heat-flux and the water-side and fire-side heat-transfer coefficients of the water-wall at the dilute phase region of a 600 MW supercritical circulating fluidized bed (CFB) boiler operating at boiler loads of 60%, 80%, and , were experimentally investigated.

Coal power technologies - SourceWat

2019-9-4 · Subcritical, Supercritical, Ultra-supercritical, and Circulating Fluidized Bed (CFB) Virtually all coal plants in current operation employ pulverized coal combustion technology, which involves grinding coal into talcum-powder fineness and then burning it to heat water into high-pressure steam to drive an electrical generator.

Experimental Study on Structural Optimization of

The middle cyclone positions and the symmetric modes of the cyclones did not determine the solid circulating rate distribution trends and had less effect on DEVGs. Forty-five degree chamfers of outer ring walls can reduce the erosion of the walls and reducing the non-uniformity of gas-solid flow in the circulating fluidized bed.

Global Circulating Fluidized Bed (CFB) Boiler

Global Circulating Fluidized Bed (CFB) Boilers (Subcritical, Supercritical, and Ultra-supercritical) Market for Power Generation - Global Industry Analysis, Size, Share, Growth Trends, and Forecast 2015 - 2023