BEOL of Ammonia synthesis

Gas analysis in the petrochemical production process, which has high requirement to the measurement accuracy, explosion safety, quick response and long-term reliability of the complete on-line analysis system, and the interference of background gas on the measurement gas should also be considered.

 

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On-line gas analysis system diagram

BEOL process of Ammonia synthesis

Gas detect points of Ammonia synthesis process and analysis instrument configuration table

Item

Detect point

Measured gas

Typical range

Analysis Instrument

1

Refined gas ( Analysis of CO )

CO

0 ~ 300 ppm

SY-HG3300-GXH / GXHEx

2

Refined gas ( Analysis of CO2 )

CO2

0 ~ 200 ppm

SY-HG3300-GXH / GXHEx

3

Recycle gas (Analysis of H2 )

H2

0 ~ 35 / 80 %

SY-HG3300-RQD / RQDEx

4

Inlet of synthetic tower ( Analysis of NH3 )

NH3

0 ~ 10 %

SY-HG3300-GXH / GXHEx

5

Outlet of synthetic tower ( Analysis of NH3 )

NH3

0 ~ 20 %

SY-HG3300-GXH / GXHEx

6

Makeup gas ( Analysis of H2 )

H2

30 ~ 90 %

SY-HG3300-RQD / RQDEx

7

Synthetic Recycle gas ( Analysis of CH4 )

CH4

0 ~ 20 %

SY-HG3300-GXH / GXHEx

8

Synthetic Recycle gas ( Analysis of Ar )

Ar

0 ~ 10 %

SY-HG3300-RQD / RQDEx