Metallurgical process analysis system

 

The indirect smelting in the iron and steel industry takes reduction smelting and oxidation refining as the main forms, and online analysis systems are needed for coking furnaces, blast furnaces, hot blast furnaces, coal injection communication, heating furnaces, electric furnaces, revolving furnace and gas tanks.

 

Email: sales@hginstrument.com

Enquiry

On-line gas analysis system diagram

Steelmaking and ironmaking process

Gas analysis in rotating furnace coal gas recovery process

Item

Detect point

Measured gas

Typical range

Analysis Instrument

1

The hot end of Rotating furnace (high temperature)

CO

0 ~ 100 %

SY-HG3300-GXH

O2

0 ~ 3 %

SY-HG3300-CJ

CO2

0 ~ 50 %

SY-HG3300-GXH

H2

0 ~ 5 %

SY-HG3300-RQD

2

The cold end of Rotating furnace ( after Blower)

CO

0 ~ 100 %

SY-HG3300-GXH

O2

0 ~ 3 %

SY-HG3300-CJ

CO2

0 ~ 50 %

SY-HG3300-GXH

3

Before coal gas tank

O2

0 ~ 3 %

SY-HG3300-CJ

4

After coal gas tank and before Electric dust removal

O2

0 ~ 3 %

SY-HG3300-CJ

5

Top of coal gas tank

CO

0 ~ 1000 ppm

SY-HG3300-GXH

 
Analysis of process gas of Blast furnace coal gas

Item

Detect point

Measured gas

Typical range

Analysis Instrument

1

Raw coal gas or clean coal gas

CO

0 ~ 40 %

SY-HG3300-GXH

O2

0 ~ 3 %

SY-HG3300-CJ

CO2

0 ~ 40 %

SY-HG3300-GXH

H2

0 ~ 5 %

SY-HG3300-RQD

CH4

0 ~ 1 %

SY-HG3300-GXH

2

Hot-blast stove exhausts

CO

0 ~ 2000 ppm

SY-HG3300-GXH

O2

0 ~ 1 %

SY-HG3300-CJ

 
Gas analysis in blast furnace coal injection process

Item

Detect point

Measured gas

Typical range

Analysis Instrument

1

Outlet of coal pulverizing bag

CO

0 ~ 2000 ppm

SY-HG3300 series

O2

0 ~ 21 %

2

Inlet of coal mill

O2

0 ~ 21 %

SY-HG3300-CJ

3

Pulverized coal bin

CO

0 ~ 2000 mg/m3

SY-HG3300 series

4

Continuous monitoring of chimney flue gas emissions

SO2

0 ~ 2000 mg/m3

SY-HG3300 series

NOx

0 ~ 2000 mg/m3

SY-HG3300 series

O2

0 ~ 25 %

SY-HG3300 series

CO

0 ~ 5000 ppm

SY-HG3300 series

CO2

0 ~ 20 %

SY-HG3300 series

H2O

0 ~ 20 %

SY-HG3300 series

Dust

0 ~ 2000 mg/m3

 

Temp.

0 ~ 300 ℃

Temp. instrument

Pressure

-4 ~ 4 Kpa

Pressure instrument

Flow Rate

0 ~ 40 m/s

Flow instrument

5

Smoke denitration ammonia escape detection

NH3

0 ~ 30 mg/m3

LS25

 
Gas analysis in the production process of the mine

Item

Detect point

Measured gas

Typical range

Analysis Instrument

1

Bag filter

CO

0 ~ 2000 ppm

SY-HG3300-GXH

2

Mine mill

CO

0 ~ 2000 ppm

SY-HG3300-GXH

3

Mineral powder warehouse

CO

0 ~ 2000 ppm

SY-HG3300-GXH