Peak regulation operation system and method

Abstract

The invention relates to a peak regulation operation system and method. The peak regulation operation system comprises a first power generation subsystem, a second power generation subsystem and a shunting subsystem. The shunting subsystem comprises a first communicating pipeline, a second communicating pipeline, a fifth valve arranged on the first communicating pipeline and a sixth valve arranged on the second communicating pipeline. In a peak regulation mode, any one of a first boiler and a second boiler goes out, the valves on a first pipeline and a second pipeline of the extinguished boiler are in a closed state, and the other valves are in an open state. Switching between a normal power supply mode and a peak regulation mode can be achieved by opening and closing the multiple valves. The peak regulation operation system can be used under the power grid peak regulation condition in the heat supply period and the non-heat-supply period, the deep peak regulation capacity at 20% of a unit is achieved, the transformation cost can be reduced, and the energy loss is reduced.

Description

technical field [0001] The invention relates to the technical field of steam turbines in power generation technology, in particular to a peak regulation operation system and method. Background technique [0002] At present, my country is advancing the pace of construction of new energy power production, and coal-fired generating units are taking on more and more heavy peak-shaving tasks. Most units need to achieve peak regulation capacity to 20% during the heating period or even the non-heating period. Due to design, production process and other factors, most boilers need auxiliary stable combustion when the load is below 40%, which will cause a large energy loss, and the efficiency of the boiler will drop more at low load, and the low load The cost of stable combustion transformation is also higher. At present, the environmental indicators of most boilers exceed the standard seriously and cannot be controlled when the load is low. If deep peak shaving is carried out, env...

AI Technical Summary

Problems solved by technology

Due to design, production process and other factors, most boilers need auxiliary stable combustion when the load is below 40%, which will cause a large energy loss, and the efficiency of the boiler will drop more at low load, and the low load The cost of stable combustion transformation is also high

At present, the environmental indicators of most boilers exceed the standard seriously and cannot be controlled when the load is low.

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