Manual CWD 2005 Appendices
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Manual CWD2005.doc 105
11.7. Carrier Gas
When a carrier gas is necessary both combustible and non combustible gases can
be suitable for carrier gas, depending on process gas used in the application.
Normally blast furnace gas with a low content of CO and H
2
needs a carrier gas
option. The amount of CO and H
2
in the process gas determines if Oxygen or CH
4
is
suitable as a carrier gas. A wide ranged flare gas will usually use Methane as a
carrier gas. See section 6.2.3.8. for a list of carrier gas configuration details.
Figure 28: Carrier gas module
1. Mounting bracket S/S 2. Difference pressure gauge
3. Pressure regulator 4. Orifice block
5. Orifice carrier gas with cap 6. Inlet carrier gas max. 6 bar
7. Inlet pressure gauge range 60 mbar 8. Pre pressure regulator
9. Outlet connection carrier gas to CWD2005
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