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DD-23-Digital Divert Control System
Brand: K-Patents Process InstrumentsK-Patents Digital Divert Control System DD-23 complies strictly with all recommendations of the Black Liquor Recovery Boiler Advisory Committee (BLRBAC).
The DD-23 system includes two SAFE-DRIVE® Process refractometer sensors in the main black liquor line, and two Indicating transmitters and a Divert control unit in an integrated panel.
K-Patents SAFE-DRIVE® Process refractometer sensors are installed with SAFE-DRIVE® Isolation valve (Patent pending) that allows for safe and easy insertion and retraction of the refractometers under full operating pressure without having to valve off the liquor piping or having to shut down the process. The SAFE-DRIVE® Isolation valve contains a steam wash system for automatic prism cleaning. The system contains a SAFE-DRIVE® Retractor tool SDR-23 for safe sensor insertion and retraction.
Each refractometer is a completely independent measurement system. Each system sends a separate mA output signal, which can be used by a control system or a DCS.
The DD-23 system is completely microprocessor controlled. The digital signal transmission and microprocessor implemented diagnostics ensure error free operation.
Specifications
Isolation Valve Process Connection
- By Welding to Pipe Sizes of 2”-24” or Via A Spool Piece (Diameter of 2”-20”). Can be Mounted on Either Horizontal or Vertical Pipe Lines