Boiler soot blowing optimization method based on heating surface health state prediction
A health state and boiler soot blowing technology, which is applied in the field of boiler soot blowing optimization based on the prediction of the health state of the heating surface, can solve the problem of inaccurate formulation of soot blowing optimization strategies, achieve great practical application value, reduce operating costs, and simplify calculations Effect
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[0058] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. The specific embodiments described here are only used to explain the present invention, not to limit the invention.
[0059] In order to illustrate the feasibility of the present invention in detail, this embodiment takes the No. 2 300MW unit boiler of a certain coal-fired thermal power station in Guizhou as the research object.
[0060] The first step is to select a fixed sampling time (sampling time is 5 seconds) according to the actual situation of the power station, and obtain the real-time heat transfer coefficient K through the DSC system of the boiler sj , and the theoretical heat transfer coefficient K o Through the following formula:
[0061]
[0062] Calculate the real-time cleaning factor data of the ash accumulation section. At the same time, the bad point p...
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