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Address: Address: N0.1, Dongli Road, Donglai, Zhangjiagang City, Jiangsu Province, China
Contact name:Sandy Chen
Zhangjiagang HuaDong Boiler Co., Ltd. |
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Professional CFB Boilers For Power Plant , Fluidized Bed Boiler Long Life
Product Description
Fluidized Bed Boiler
Circulating Fluidized bed boiler is developed on the basis of bubbling bed boiler(fluidized bed boiler), so some theories and concepts of bubbling bed can be used in circulating fluidized bed boiler. But they are quite different. Early circulating fluidized bed boilers had relatively high fluidization speed, so they were called fast circulating bed boilers. The basis theory of fast bed can also be used in circulating fluidized bed boilers. The basic theories of bubbling bed and fast bed have been studied for a long time. To understand the principle of circulating fluidized bed, it is necessary to understand the theory of bubbling bed and fast bed, as well as the dynamic characteristics, combustion characteristics and heat transfer characteristics of materials under various conditions of bubbling bed, turbulent bed and fast bed.
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 can be absorbed before being emitted to the atmosphere.
Parameter
| Model | Capacity (t/h) | Pressure (MPa) | Steam temperature (ºC) | Feed water temperature (ºC) | Desulfurization efficiency (%) |
| HD-35/3.82-M | 35 | 3.82 | 450 | 150 | min 82 |
| HD-35/5.3-M | 35 | 5.3 | 450 | 150 | min 82 |
| HD-75/3.82-M | 75 | 3.82 | 450 | 150 | min 82 |
| HD-75/5.3-M | 75 | 5.3 | 485 | 150 | min 82 |
| HD-75/9.8-M1 | 75 | 9.8 | 540 | 215 | min 82 |
| HD-130/3.82-M | 130 | 3.82 | 450 | 172 | min 82 |
| HD-130/5.3-M | 130 | 5.3 | 485 | 172 | min 82 |
| HD-130/9.8-M | 130 | 9.8 | 540 | 215 | min 82 |
Structure Features
• Natural circulation water-tube boiler single boiler barrel,an
n-shaped structure.
• The hearth is membrane water wall hanging closed structure
• Adopting the water cooling air chamber and a water cooling cloth wind plate,under the bed of water.
• Separated by high temperature insulation volute cyclone cylinder,outer furnace arrangementSuperheater,economizer,air preheater is arranged in the tail shaft.
Benefits
Greatest Fuel Flexibility
• Best overall solution for high moisture fuels.
• Ability to burn fuels containing mid-level amounts of alkali.
• Proficient at combusting fuels from the extreme low-end to extreme high-end moisture contents.
Higher Efficiencies
• Lowest excess oxygen required for complete combustion.
• Lowest unburned carbon.
Highest Allowable Outputs
• Highest Pressure.
• Highest Temperature.
• Steam Flow(up to 1,000,000 PPH)
Lowest Uncontrolled Emissions of NOx,SO2,CO,VOC’s and PM.
Quality Control
1.Fabrication area of 400,000 square meters
2.150 Engineers
3.600 Coded welders
4. 60 Licensed Inspectors(NDT Level-III instructors)
5. Class-A Licenses for Design and Manufacture Boiler
6.ISO 9001:2008 Quality System
7.ASME Certificate of Power Boilers
8.ASME ‘S’,’U’ and NB stamp authorization
