Air separation on-line analysis system

 

Chemical industry and metallurgy industry involves Air separation technique, need to separate O2, N2, Ar and other rare gas from the air. The gas during the separation process need to be analyzed to ensure the purity of product gases and the normal operation of oxygen machine equipment.

 

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On-line gas analysis system diagram

Air separation system

Air separation process gas detect point and analysis instrument configuration table

Item

Detect point

Measured gas

Typical range

Analysis Instrument

1

Gas of entering cooler ( analysis of CO2 )

CO2

0 ~ 10 ppm

SY-HG3300-GXH

2

At the upper tower’s bottom

( Analysis of total carbon in liquid oxygen )

CnHm

0 ~ 100 ppm

Model 4020

3

Outlet of the upper tower

( Analysis of O2 purity in waste nitrogen )

O2

0 ~ 5%

SY-HG3300-CJ

4

Analysis of Product O2 purity

O2

98 ~ 100%

SY-HG3300-CY

5

Analysis of Micro-O2 in product N2

O2

0 ~ 30 ppm

SY-HG3300-DH

6

Pressurized air of entering cold box

( Analysis of water content )

H2O

0 ~ 100 ppm

SY-HG3300-DP

7

Argon fraction ( Analysis of Argon content )

Ar

0 ~ 15%

SY-HG3300-RQD

8

At the top of crude argon tower

( Analysis of O2 content in Crude argon )

O2

0 ~ 100%

SY-HG3300-CY

9

Outlet of crude argon tower

( Analysis of O2 content in crude argon )

O2

0 ~ 100%

SY-HG3300-CY

10

Outlet of crude argon tower

( Analysis of Micro-O2 in crude H2 )

O2

0 ~ 10 ppm

SY-HG3300-DH

11

Outlet of Pure argon tower

( Analysis of Micro-O2 in Pure Agron )

O2

0 ~ 10 ppm

SY-HG3300-DH

12

Outlet of crude hydrogen tower

( Analysis of Argon content in Ar )

Ar

80 ~ 100%

SY-HG3300-RQD

13

Analysis of Micro-N2 in Pure Agron

N2

0 ~ 10 ppm

SY-HG3300-TN