High-speed load increasing peak regulation system and method of thermal power generating unit
A thermal power unit and load-raising technology, applied in the direction of separation methods, chemical instruments and methods, mechanical equipment, etc., can solve problems such as lack of capacity, unsustainable primary frequency regulation ability, weak peak-shaving ability of rising load, etc., to achieve response speed and reliability Good, the effect of improving the ability to deal with large low-frequency disturbances
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[0029] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0030] Conventional thermal power unit heat recovery system as attached figure 1As shown, the condensed water from the condenser 1 is sent into the condensed water system pipeline by the condensed water pump 2, flows through multiple (mostly 4) low-pressure heaters 4 and its low-pressure bypass valve 3, and is fed by the steam turbine After steam turbine extraction 10 is heated, it flows into the deaerator 5, and in the deaerator 5, the high-temperature steam turbine extraction 10 is used for deaeration, and then is pumped into the water supply system pipeline by the feed water pump 6, and flows through multiple (usually 3) ) high-pressure heater 8 and its high-pressure bypass valve 7, and finally enter the boiler 9.
[0031] Multiple low-load bypass valves 3 and high-load bypass valves 7 are all three-way switching valves. When the...
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