20t/h Fly Ash/coal-fired Circulating Fluidized Bed Boiler Technical Parameters And Cases
2023-04-06 08:46:43For circulating fluidized bed boilers, we know that the general fuel is coal or biomass fuel, but the fuel of this user is quite special, fly ash, because the flow of fly ash in the factory area can reach 6 tons per hour, so I want to consider using fly ash as Fuel for circulating fluidized bed boilers.
circulating fluidized bed boilers
design fuel
| project | symbol | unit | design fuel | Check fuel |
| received base carbon | car | % | 42 | 60 |
| received base sulfur | Sar | % | 1.5 | 0.85 |
| received base ash | Aar | % | 60.66 | 33.65 |
| received base moisture | Mt,ar | % | <1 | <1 |
| Received base low calorific value | Qnet, ar | kcal/kg | 3300 | 5250 |
Coal quality data
| project | symbol | unit | design fuel |
| Volatile matter on a dry basis | Vd | % | 40.63 |
| dry basis ash | ad | % | 17.40 |
| dry base sulfur | St, d | % | 0.942 |
| whole water | Mt. | % | 11.10 |
| Calorific value of dry base cartridge | Qb,d | kcal/kg | 5856 |
Main parameters of circulating fluidized bed boiler
| fly ash flow | t/h | 6 |
| Rated evaporation | t/h | 20 |
| Rated steam pressure | MPa | 1.5 |
| Rated steam temperature | ℃ | 198 |
| Feed water temperature | ℃ | 30 |
| NOx in flue gas | mg/Nm3 | ≦300 |
| SO2 in flue gas | mg/Nm3 | |
| Dust content in flue gas | mg/Nm3 | ≦35 |
Zhengzhou Boiler Factory Circulating Fluidized Bed Boiler Project Case
- Hebei Tianbao: SHF20-2.5/400-W20 tons of anthracite-burning circulating fluidized bed boiler
- Jiayu Fenghua: SHF20-2.5/400-W20 ton SHF circulating fluidized bed boiler
- Shouguang Shuntai: SHF20-2.5/400-W anthracite-fired 20-ton circulating fluidized bed boiler
- Shangqiu Sanhe: SHF20-1.25-AⅡ+ slag 20 tons circulating fluidized bed steam boiler
- Shaanxi Circle: SHF20-1.6-W+ slag 20 tons fluidized bed coal-fired steam boiler 16 kg pressure
- Xinxiang Yellow River: SHF20-2.5-M20 ton double drum fluidized bed boiler
- Tongling Xinda: SHF20-1.25-AⅡ+ slag 20 tons circulating fluidized bed steam boiler
- Hubei Kaiyuan: SHF20-2.5-M20 tons of coal-fired CFB
- Fujian Binhai: SHF20-2.5/300-W20 tons of coal-fired boiler (superheated steam)
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