Mass flow rate control system

Mass flow rate control system

  • CN 101,292,134 A
  • Filed: 10/23/2006
  • Published: 10/22/2008
  • Est. Priority Date: 10/21/2005
  • Status: Active Application
First Claim
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1. one kind is fed to the delivery system of static mixer (1) with fluid (A), and described system comprisesContain the described fluid (A) that is under the predetermined pressure and the jar (2) of pressurizing member (B);

  • The fluid passage (3) that connects described static mixer (1) and jar (2);

    Measure jar platform balance (5) of the weight (PV_W) of (2) contained fluid (A),Be arranged in the described fluid passage (3) to control described fluid (A) flows into described static mixer (1) from described jar (2) operation valve (4);

    Receive the actual flow velocity (PV_Q) of the target flow velocity (SP_Q) of described fluid (A) and described fluid (A) and export control signal (MV_L) is regulated flow velocity to described operation valve (4) indicator valve position controller (6);

    AndAt (PV_M) that different time points (t0, t1) records, described actual flow velocity (PV_Q) is outputed to the stream estimator of described controller (6) based on described platform balance (5).

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