Mass flow rate control system

Details Mass flow rate control system Mass flow rate control system

G - Physics

01

F

G01F 1/00 (2006.01) G01F 1/86 (2006.01) G01F 23/20 (2006.01) G05D 7/06 (2006.01)

Patent

CA 2625445

A dosage system for feeding a fluid (A) to a static mixer (1), said system comprising a tank (2) containing said fluid (A) at a predetermined pressure, a fluid passage (3) connecting said container (1) and tank (2), a control valve (4) provided within said fluid passage (3) to control the flow of said fluid (A) from said tank into said container; and a controller (6) for receiving a target flow rate (SP_Q) of said fluid (A), and an actual flow rate (PV_Q) of said fluid (A), and for outpurting a control signal (MV_L) to said control valve (4) indicating a valve position to adjust the flow rate. Further provided is a method for controlling said dosage system.

Système de dosage pour acheminer un fluide (A) jusqu'à un mélangeur statique (1), ledit système comportant un réservoir (2) contenant ledit fluide (A) sous une pression prédéterminée, un passage de fluide (3) reliant ledit récipient (1) audit réservoir (2), une vanne de régulation (4) installée sur ledit passage de fluide (3) pour réguler l'écoulement dudit fluide (A) depuis ledit réservoir jusque dans ledit récipient ; et un régulateur (6) destiné à recevoir une consigne de débit (SP_Q) dudit fluide (A) et un débit réel (PV_Q) dudit fluide (A) et à émettre un signal de commande (MV_L) vers ladite vanne de régulation (4) indiquant une position de vanne pour régler le débit. L'invention concerne en outre un procédé de régulation dudit système de dosage.

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