Agitating – Having interrelated feed and discharge means – Recirculating from and to mixing chamber
Patent
1998-02-25
1999-12-28
Cooley, Charles E.
Agitating
Having interrelated feed and discharge means
Recirculating from and to mixing chamber
366138, 366140, 3661602, B01F 1502
Patent
active
060072350
ABSTRACT:
A system is disclosed for the extraction of a representative sample of a processed medium, flowing in a process stream under a first pressure force, and the delivery of the extracted representative sample to a mixing chamber along with a diluent medium. The system includes a source of a second pressure force connected to the mixing chamber, the second pressure force having a value less than the first pressure force of the process stream. An extraction flow control device connects the mixing chamber to the process stream and is operable into a first or alternatively a second position. When operated in the first position the second pressure force of the mixing chamber is connected to the first pressure force of the process stream and, responsive to the pressure force difference, a portion of the processed medium is drawn from the process stream through the extraction flow control device. A source of diluent medium under a third pressure force is further included connected to the extraction flow control device. The third pressure force also has a value greater than the second pressure force. Operating the extraction flow control device into the second position isolates the first pressure force of the process stream from the second pressure force and connects the second pressure force to the third pressure force of the source of diluent medium. Responsive to the pressure force difference between the third pressure force and the second pressure force, diluent medium flows from the source of diluent medium through the extraction flow control device to the mixing chamber, carrying with it the representative sample of processed medium previously extracted.
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Dixon Glenn W.
Freud Paul J.
Cooley Charles E.
Honeywell Inc.
Miologos Anthony
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