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New high-speed external circulation fluidized bed hot water boiler
Category:
Circulating fluidized bed boiler
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Descriptions
Product Introduction
This product is a patent exclusively belonging to Zhengzhou Zhongding Co., Ltd., examined and established by the State Intellectual Property Office in accordance with the Patent Law of the People's Republic of China. The patent number is ZL2012 2 0333591.
1. The boiler adopts an all-steel floor-standing structure, greatly saving the boiler foundation civil engineering investment. The boiler has very low thermal inertia and fast pressure-increasing air supply time. 2. The suspended membrane wall furnace adopts a reliable avoidance, airtight, and good heat transfer effect of the full membrane wall light-type attached tube furnace wall structure. 3. The supported lower fluidized bed adopts an airtight and simple all-steel shell medium-sized furnace wall structure. 4. The upper furnace and the lower fluidized bed are reliably connected and sealed by an expansion and contraction structure. 5. The heat-resistant alloy cast steel columnar embedded countercurrent wind cap is dust-free, uniform air distribution, and long life.
6. Reliable and mature double cyclone adiabatic separator with membrane wall water-cooled ceiling and turning flue structure with membrane wall water-cooled ceiling. 7. High-efficiency and mature double U-type return valve structure.
Structural Features
1. The boiler adopts an all-steel floor-standing structure, greatly saving the boiler basic civil engineering investment. The boiler has very low thermal inertia and fast pressure-increasing air supply time.
2. The suspended membrane wall furnace adopts a reliable avoidance, airtight, and good heat transfer effect of the full membrane wall light-type attached tube furnace wall structure.
3. The supported lower fluidized bed adopts an airtight and simple all-steel shell heavy furnace structure.
4. The upper furnace and the lower fluidized bed are reliably connected and sealed by an expansion and contraction structure.
5. The heat-resistant alloy cast steel columnar embedded countercurrent wind cap is dust-free, uniform air distribution, and long life.
6. Reliable and mature double cyclone adiabatic separator with membrane wall water-cooled ceiling and turning flue structure with membrane wall water-cooled ceiling.
7. The double-drum multi-pass longitudinal scrubbing convection tube bundle eliminates ash blocking and wear of the convection tube bundle in circulating fluidized bed boilers.
Technical Features
1. Wide burning adaptability. External circulating fluidized bed boilers can burn both high-quality coal and various low-quality coals. And the combustion technology is environmentally friendly.
2. Simple return material system, high combustion efficiency. High-temperature materials are carried by the airflow into the material collector, and the collected materials enter the return material device, and then are sent back to the combustion chamber by the return material device for multiple circulation combustion, with very high combustion efficiency.
3. Large load adjustment range and fast load adjustment. And no buried tube heating surface is arranged in the bed.
Product Parameters
| New High-Speed External Circulation Fluidized Bed Hot Water Boiler |
| Capacity: 7 - 116MW |
| Working Pressure: 0.7-1.6MPa |
Specific parameters can be designed according to the actual needs of the user
Applicable Fuel: Anthracite, Bituminous Coal, Lean Coal, Formed Biomass Fuel
Applicable Industries: Central Heating, Residential Communities
Key words:
New high-speed external circulation fluidized bed hot water boiler
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