Method for controlling a molten metal bath bubbling in a metallurgical vessel and a device for carrying out said method

Method for controlling a molten metal bath bubbling in a metallurgical vessel and a device for carrying out said method

  • CN 104,073,601 A
  • Filed: 06/14/2005
  • Published: 10/01/2014
  • Est. Priority Date: 07/02/2004
  • Status: Active Application
First Claim
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1. the method for the vibration control of the foaming of the metal pool in molten steel bucket or other similar metallurgical tank, according to present method, stirring gas is introduced into by the bottom of molten steel bucket, by the vibration that is positioned at least one sensor collection representative on molten steel bucket or its framework and wants measured vibratory magnitude, the signal sending is sampled and is digitized, it is characterized in that, before the be sampled-digitizing of described signal, by means of " high pass " analog filter, process described vibration signal, and after the be sampled-digitizing of described signal, it is carried out to the second filtering, the digital filtering that the vibratory response specific to described molten steel bucket is calibrated specifically, after the digitized signal sequence in succession, each sequence is carried out to the calculating of sliding time root mean square value, then extract thus total rootmean-square virtual value of the vibration signal of measuring like this, this virtual value is for regulating the flow of the stirring gas that offers container.

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