Soft measurement method for butane content in debutanizer based on Stacking
A technology of butane and soft measurement of a butane tower, applied in the field of industrial process prediction and soft measurement, can solve problems such as the inability to make good use of the Stacking model, and achieve the effect of improving the accuracy of real-time prediction
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[0045]The present invention is illustrated below in conjunction with a concrete debutanizer butane content prediction embodiment:
[0046] The debutanizer was continuously sampled to obtain 2394 samples. The first 1596 samples were used as the training set to train the integrated learning soft sensor model, and the last 798 samples were used as the test set to verify the integrated learning soft sensor model. effectiveness. In this process, seven process variables are selected to model the butane content at the bottom of the debutanizer, the seven process variables are tower top temperature, tower top pressure, reflux flow, flow to the next stage, sixth Plate temperature, tower bottom temperature 1, tower bottom temperature 2, such as figure 1 shown in .
[0047] Next, in conjunction with this specific process, the implementation steps of the present invention are described in detail, as image 3 As shown, specifically:
[0048] 1. Use 1596 training samples to train an XGB...
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