Oil refining process

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

Oil refining process

The detection points on the auxiliary devices on which Industrial chromatograph should be used:
  • MTBE Raw gas composition
  • Cracking gas composition during hydrogen producing
  • Raw material of the gas fractionation and composition of the finished gas
  • Hydrogen purity of the outlet at Sulfur recovery hydrogenation reactor
  • Analysis of total hydrocarbon in liquid oxygen in air separation unit
  • Analysis of air separation product purity
  • Analysis of petroleum products characteristic (initial distillation point, dry point)
 
Analyzer configuration of Oil refining equipment

Item

Analyzer type

Detection point

Analyzer configuration QTY

1

Industrial chromatograph

Refinery gas, Catalytic reforming

22

2

Infrared analyzer

Catalytic cracking, Hydrogen production

5

3

Zirconia analyzer

Heating furnace

1 / furnace

4

Magnetic Oxygen Analyzer

Catalytic cracking

1

5

Thermal conductivity analyzer

Hydrotreating Unit

many

6

Ultraviolet analyzer

Desulphurization and sulfur recovery

3

7

Sulfur ratio meter

sulfur recovery

 

8

Micro water content analyzer

gas fractionation, Catalytic reforming, Methanation equipment

many