large circulating fluided bed boiler

The key processing technologies such as steel plate blanking, circling, drum and tube plate drilling adopt advanced CNC machining to reduce the assembly stress and prolong the service life of the boiler.
Steel tube cutting, thread tube pressing and convection tube processing all adopt advanced CNC technology.
Automatic production line.

The welding of important parts like the vertical and circular seams of the boiler, the tubes, the inside of boiler and the flange are all adopted automated welding processes such as submerged arc welding or gas shielded welding to ensure the welding quality. All the vertical and circular seams will be done 100% radiographic inspection.
Tube flange weld adopts robot welding.
The chain grate panel, front and rear smoke chamber panel adopts CNC plasma cutting machine to cut orderly and beautifully.

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A novel suspension-floating-circulating fluidize

A novel suspension-floating-circulating fluidized combustion technology is proposed for burning coal slurry fuel in traditional circulating fluidized bed boilers (CFBB). This technology can solve some existing problems in large-capacity CFBB burning coal slurry. The principles of the suspension

what is the lower cost of biomass boilers and coal fired

Low Grade Coal Circulating Fluided Bed Boiler Firing Effect The investment cost is generally lower than that for two separate plants and heat utilization efficiency is very high. This option is useful particularly to countries with high cement and electricity demand and large reserve of low-grade coal.

Fluidized bed - Wikiped

Fluidised beds are used for several purposes, such as fluidized bed reactors (types of chemical reactors), solids separation, fluid catalytic cracking, fluidized bed combustion, heat or mass transfer or interface modification, such as applying a coating onto solid items.

Study on heat transfer characteristics of the hig

In order to investigate the operation characteristics of fluidized bed heat exchanger (FBHE) of large-scale circulating fluidized bed (CFB) boiler, experiments were conducted on two 300 MW CFB

Modeling of particle transport and combustion phenomena i

To better understand the circulating fluidized bed (CFB) boiler behavior, detailed information, such as the dynamic mixing effect of gas and solid fuels, the effects of various non-uniform geometries, the impact of coal-feed inlets, air-injection nozzles, and the pressure balance over the whole loop of CFB circulation, should be known.

China orders large circulating fluidized bed boiler fro

April 25, 2003 -- ALSTOM reinforces its long-term cooperation with the People's Republic of China, announcing a contract worth around 65 million euros for a 300 MW circulating fluidized bed boiler

Double Drums Coal Fired Hot Water Boiler Heating Area I

As to heating area from 40,000 to 180,000 square meters, chain grate boiler is more economical than cfb boiler, based on clients data statistics. And most large-size heating company will choose circulating fluided bed boiler because . Get a quote

Study on heat transfer characteristics of the hig

On the basis of measurements on the fluidized bed heat exchanger (FBHE) of a 300 MW lean-coal-fired circulating fluidized bed (CFB) boiler under different thermal loads and numerical calculation for steam mass flow rate distribution inside the high temperature reheater (HTR) tube panels, the ash-side heat transfer coefficient distribution along the ash movement direction inside the FBHE was

Large-scale Circulating Fluidized Bed Boiler (CF

After successful developing of 130t/h~150t/h CFB by HBG in 2001, the CFB technology begins to advance rapidly. It steps from intermediate temperature and pressure, sub-high temperature and pressure to high temperature and pressure, and super-high pressure reheating unit, which covers all series of product with different capacity such as 35t/h, 75t/h, 130t/h, 220t/h, and 440t/h.

Calculation and analysis of dissipation heat loss in larg

These days, circulating fluidized bed (CFB) combustion technology, which is unique in wide fuel flexibility, low emissions of nitrogen oxides, realization of direct desulphurization in combustion process, has been greatly developed and widely popularized , , .

Circulating fluidized bed - Wikiped

The circulating fluidized bed (CFB) is a developing technology for coal combustion to achieve lower emission of pollutants. By using this technology, up to 95% of pollutants[1] can be absorbed before being emitted to the atmosphere.


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