Open up the stack by-pass damper for the exhaustboiler.
开大废气锅炉烟道旁通挡板。
2
The steam exhaust from the condenser can then be fed into the main stack on the boiler giving it that classic look – steam out of the main stack however it can be fed into any stack.
This paper emphatically describes how to lift its fume exhaust temperature under low load running of a boiler so as to reduce low temperature corrosion.