Method for controlling a turbocompressor

Details Method for controlling a turbocompressor Method for controlling a turbocompressor

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 27/02 (2006.01)

Patent

CA 2673764

Method for controlling a turbocompressor, whereby a compressed air line (5) is connected to this turbocompressor (1) with a non-return valve (6) provided therein, characterised in that, when one or several process parameters exceed a predetermined limit, the rotational speed of the turbocompressor (1) will be reduced very suddenly to a predetermined minimum rotational speed and the above-mentioned non-return valve (6) will be closed and in that, after the above-mentioned reduction of the rotational speed, when one or several gear-down conditions are fulfilled, the rotational speed of the compressor (1) will be increased again and the non-return valve (6) will be opened.

L'invention concerne un procédé de commande d'un turbocompresseur, une conduite d'air comprimé (5) étant reliée à ce turbocompresseur (1) avec un clapet de non-retour (6) agencé à l'intérieur. Le procédé est caractérisé en ce que, lorsqu'un ou plusieurs paramètres de processus dépassent une limite prédéterminée, la vitesse de rotation du turbocompresseur (1) est réduite très soudainement à une vitesse de rotation minimale prédéterminée et le clapet de non-retour mentionné ci-dessus (6) se ferme, et en ce que, suite à la réduction de la vitesse de rotation mentionnée ci-dessus, lorsqu'une ou plusieurs conditions de train sorti sont remplies, la vitesse de rotation du compresseur (1) augmente à nouveau et le clapet de non-retour (6) s'ouvre.

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