Methods of control of industrial processes by continous analysis of a gaseous mixture having a variable compostion

• US 3,359,784 A
• Filed: 08/11/1964
• Issued: 12/26/1967
• Est. Priority Date: 08/28/1963
• Status: Expired due to Term

• Current Assignee: Claude Staib, Daniel Jorre
• Original Assignee: Claude Staib, Daniel Jorre
• Inventors: DANIEL JORRE, Staib, Claude
• Application Number:
  US04/388,815
• Time in Patent Office: 1,232 Days
• US Class Current: 73/23.2
• CPC Class Codes: C21B 5/006 Automatically controlling the process
• CPC Class Codes: C21B 7/24 Test rods or other checking devices
• CPC Class Codes: C21C 5/30 Regulating or controlling the blowing
• CPC Class Codes: G01D 18/004 Continuous recalibration
• CPC Class Codes: G01D 18/006 Intermittent recalibration
• CPC Class Codes: G01N 21/274 Calibration, base line adjustment, drift correction
• CPC Class Codes: G01N 33/0006 Calibrating gas analysers

Claims

1. A METHOD OF CONTROL OF THE CHARACTER DESCRIBED COMPRISING THE STEPS OF ANALYZING COMPONENTS OF A TEST GAS BY MEANS OF GAS ANALYZING DEVICES;

FEEDING THE THUS OBTAINED TEST OUTPUT VALUES INTO A COMPUTER;

PERIODICALLY INTERRUPTING THE ANALYZING PROCESS OF SAID TEST GAS AND INTRODUCING STANDARD GASES OF KNOWN COMPONENTS INTO SAID ANALYZING DEVICES TO OBTAIN CORRESPONDING COMPARISON OUTPUT VALUES;

RECORDING THE OBTAINED COMPARISON OUTPUT VALUES IN A COMPUTER;

CONVERTING THE RECORDED COMPARISON OUTPUT VALUES BY MEANS OF A PRE-ESTABLISHED INTERPOLATION AND EXTRAPOLATION PROGRAM BY THE COMPUTER INTO A CALIBRATION CURVE FOR THE GAS ANALYZING DEVICES;

AND CORRECTING SAID THUS OBTAINED TEST OUTPUT VALUES OF THE ANALYSIS OF SAID TEST GAS DURING THE PERIOD OF ANALYSIS IMMEDIATELY FOLLOWING SAID CALIBRATION ON THE BASIS OF SAID CALIBRATION CURVE.