Method for predicting flash point of first atmospheric pressure for atmospheric tower in atmospheric and vacuum distillation unit
A technology of atmospheric and decompression device and prediction method, which is applied in prediction, structured data retrieval, instruments, etc., can solve the problem of no constant-line flash point soft measurement method, etc., to achieve strong adaptability, good technical effect, and avoid interference. Effect
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[0065] Adopt the method of the present invention, be used to carry out the prediction of normal one-line flash point by logging in predicting system; Described predicting system is installed on the server, and server is connected with the server of real-time database system, LIMS system respectively through network cable, and client is authorized computer and mobile terminal; the working steps of the prediction system are as follows:
[0066] 1) Selected auxiliary variables
[0067] According to the field operator's control experience, consider the relevant auxiliary variables that actually have a greater impact on the flash point of the normal line, including the top temperature of the atmospheric column, the pressure at the top of the tower, the extraction temperature of the normal line, the reboiler temperature of the normal line, and the normal line Blow volume.
[0068] 2) Outlier elimination of auxiliary variable raw data
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