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circulating fluid bed boiler

Product Thermal Capacity: 1 - 20 t/h

Working Pressure: 0.7 - 2 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, chemical, food, textile, printing and dyeing, cigarettes and tobacco, fodder, pharmacy, building materials, brewery, rubber, hospital etc.

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Introduction of WNS gas / oil fired steam boiler:

WNS series horizontal internal combustion boiler is a boiler shell type 3 passes wetback oil/gas fired boiler. After fuel is being atomized by burner, flame is full of the wave furnace and transfer heat via furnace wall, this is 1st pass; the high temperature smoke is collected in reversal chamber and then enters 2nd pass which is grooved tubes bundle area; after heat convection, air temperature gradually falls and goes to front smoke box and turn to 3rd pass, which is smooth tubes bundle area, and then enters chimney passing back smoke box and exhausted to the atmosphere.

Technical advantages:

1. Digitized manufacture
The key part such as material cutting, rolling, drilling are proceeded by advanced CNC machining process to reduce the assemble stress and extend boiler working lifetime.
The front and back smoke chamber plates are cut by CNC plasma cutting machine and looks tidy and beautiful.

2.Easy operation and maintenance
Fully automatically operating, with automatically adjustment and protection of burning, water level, temperature and steam pressure.

3. Longer working life
Smoke tube and tube sheet connection is expanded first to eliminate the gap between them, then adopt automatic argon arc welding to relief the stress and expand boilers working life.
Longitudinal and girth joint adopt advanced automatic submerged-arc welding for good welding quality. All longitudinal and girth joint will have 100% radiographic inspection.
Fin tube us ND steel or stainless-steel material which avoid low temperature corrosion.
Inspection procedure point is set up to guarantee the sequence of expanding and welding, avoid cracking of the tube sheet holes.

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

Fluidized Bed Boilers Video - Convergence Traini

Circulating fluidized bed boilers disperse particles throughout the furnace for improved heat transfer. The solids are removed from the flue gas and returned to the combustion zone. In a bubbling bed boiler, primary combustion air is forced through nozzles in the bottom of the boiler at a velocity high enough to fluidize the solid particles in

Fluidized Bed Boiler - an overview | ScienceDirect Topi

The circulating fluidized bed boiler (CFB boiler) is the second-generation fluidized bed boiler, the updated version of the bubbling fluidized bed boiler (BFB boiler). In this chapter, fundamental concepts of fluidized beds (including the definition and characteristics of “fluidized …

Circulating Fluidized Bed Boiler| CFB Industrial Boil

The result is a turbulent mixing of gas and solids. The tumbling action, much like a bubbling fluid, provides more effective chemical reactions and heat transfer. Circulating Fluidized Bed Boiler (CFBC) technology was adapted to burn petroleum coke and coal mining waste for power generation in the early 1980s in the US.

Circulating Type Fluidized Bed Boilers - YouTube

Click to v

Click to view3:16Jan 09, 2018· Circulating Type Fluidized Bed Boilers Mimsan Grup. Circulating Fluidized Bed - CFB Boiler Process - Duration: Fluidised Bed Combustion - Thermic Fluid Heater

DESIGN OF CIRCULATING FLUIDIZED BED BOILERS - PowerED

Circulating Fluidized Bed Boiler Design: Gain a thorough understanding of the best design methods of circulating fluidized bed boilers. Design of Circulating Fluidized Bed Boiler Components and Systems: Learn all the techniques used to design CFB boiler equipment and systems including furnace, cyclones, economizers, superheaters, reheaters, loop seals, expansion joints, refractory, and L-valves.

Fluidized Bed Combustors for Biomass Boilers - AS

Author: Mimsan Grup Boiler engineers can choose between two main types of fluidized-bed boilers—bubbling fluidized bed (BFB) and circulating fluidized bed (CFB). In BFB boilers the velocity of the combustion air is low enough that the fluidized particles remain in the lower furnace; in a CFB unit the velocity is greater and hot particles are circulated through

Circulating Fluidized Bed - CFB Boiler Process - YouTu

Jan 30, 2018· Sumitomo SHI FW is the global leader in CFB technology and has supplied a full range of CFB boilers totaling 36 GWe in power capacity and 30 million hours of operational experience. In …

Fluidized Bed Boiler Power Plant - Circulating Fluidized B

19-06-2015. Circulating Fluidized Bed Boiler Begins Commercial Operation; World's Largest Circulating Fluidized Bed Boiler Begins Commercial ZG unique internal recirculation circulating fluidized-bed boiler is a simplified, cost-effective and efficient boiler design.

How Circulating Fluidized Bed Boilers Work? - Bright H

Circulating Fluidized Bed (CFB) combustion boilers gives the flexibility for combustion of a wide range of coals and alternative fuel sources. All this without compromising efficiency and with reduced emissions. This article gives a brief description of the working of a CFB boiler. At the bottom of the boiler furnace there is a bed of inert material.

Circulating Fluidized Bed - an overview | ScienceDirect Topi

The circulating fluidized bed boiler (CFB boiler) is the second-generation fluidized bed boiler, the updated version of the bubbling fluidized bed boiler (BFB boiler). In this chapter, fundamental concepts of fluidized beds (including the definition and characteristics of “fluidized …

Technology Overview: Circulating Fluidized-Bed Combusti

Circulating fluid bed boiler scheme. Source: Reference 1. ----- particle size of 200 to 300 urn) is pneumatically fed to the lower part of the reactor. The number of feed points can be kept low because of the excellent solids mixing in the low density bed. Lurgi …

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0086-510-68530066, +86-13506151292

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