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Job Description:

  • 1) Tests temperature of glass melting furnaces and regulates gas and air supply to maintain specified temperature, using any of following methods: Measures temperature of furnace sections, using optical pyrometer.

  • 2) Sights through opening of pyrometer into furnace opening and turns sleeve dial on pyrometer until color of wire filament matches luminosity of flames.

  • 3) Reads dial indicator to obtain millivolt reading and compares reading with temperature chart to determine if temperature is in accordance with specifications.

  • 4) Turns valves to adjust gas-to-air ratio and increase or decrease temperature within refractory.

  • 5) Computes and plots averages of glass temperatures on graph paper from temperature charts, using pencil and template to draw lines and circles.

  • 6) Interprets graph to determine need for temperature adjustment.

  • 7) Turns valve to increase or decrease air and gas supply into burners.

  • 8) Tests gas-to-air ratio of burned atmosphere, using gas analyzer.

  • 9) Inserts hose of gas analyzer into furnace and starts suction pump to withdraw sample of burned atmosphere.

  • 10) Observes dial indicator on analyzer to determine if gas-to-air ratio is in accordance with specifications.

  • 11) Turns valve to adjust gas-to-air ratio and control heat of furnace.

  • 12) Records tests, temperatures, and adjustments in log.




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End Of Job Description for: "FURNACE-COMBUSTION ANALYST"
DOT:   572.360-010

Job Number: 4365