A method for evaluating the denitrification capacity of scr reactor
An SCR reactor and denitrification technology, applied in instruments, data processing applications, special data processing applications, etc., can solve the problems of time-consuming and labor-intensive, unable to reflect the flue gas flow field, etc., and achieve the effect of avoiding prediction errors
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[0045] Taking the B-side reactor of a 660MW coal-fired power generation unit as an example, the data in the SIS system was collected from July 2016 to September 2017, and the collection interval was 1 minute. The framework of the present invention is mainly composed of core modules such as data acquisition, data preprocessing, data processing, division of working conditions, and fitting and conversion of A trend line. The detailed flow chart is as follows figure 1 Shown:
[0046] 1) Obtain the data of each measuring point from the SIS data source, and collect the load N and SCR inlet oxygen O at intervals of 1 min 2,in , SCR outlet oxygen O 2,out , SCR inlet NOx concentration NO x,in , SCR outlet NOx concentration NO x,out , SCR inlet temperature T and ammonia injection amount NH 3 Some data such as measuring points are shown in Table 1.
[0047] Table 1
[0048]
[0049]
[0050] Clamp each item of data to normal operating ranges and delete values that remain un...
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