Method of fluidizing wind at high pressure using steam to replace air
A fluidized wind and high-pressure technology, which is applied in the direction of combustion methods, fluidized bed combustion equipment, fuel burned in a molten state, etc., can solve the problems of air duct vibration, coking, high-pressure head fluidization fan noise, etc., to avoid vibration and noise, simple operation and maintenance, and the effect of improving the operating environment
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[0029] Since the boiler itself produces steam, the steam passes through the steam turbine to the generator to generate electricity, so the steam can come from the exhaust steam of the steam turbine or intermediate steam extraction, or from the boiler itself or other source generating devices.
[0030] This example takes the 150MW circulating fluidized bed boiler with intermediate reheating of Shanghai Boiler Works Co., Ltd. as an example. The steam is provided by steam turbine exhaust or intermediate extraction:
[0031]As shown in Figure 1, it is a schematic diagram of a circulating fluidized bed boiler system, which consists of a boiler 1, a cyclone separator 2, a feeder 3, a wind cap and a steam nozzle 4, a wind and steam chamber 5, a tail convection flue 6, and a stop valve 7 , a steam turbine 8, a high-pressure fluidizing blower 9, and a shut-off valve 10, the cyclone separator 2 is connected to the upper end of the boiler 1, the upper end of the cyclone separator 2 is con...
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