Questionnaire

If applicable
	Existing	Planned
Kind of glass *
Percentage of PBO in batch
Percentage of B203 in batch
Amount of cullet
Furnace pull *

Size of furnace
Energy consumption/kg glass
Electric boosting

Flue gas temperature at recuperator inlet *
Flue gas flow (if known) Nm3/h
Direction of flue gases, up/down *

Combustion air flow Nm3/h
Percentage of excess air
Required combustion air preheat *

Type of fuel *
Fuel consumption *
Specific heat value
Sulphur content

Location of recuperator, inside building/outside building
If size restrictions, max diameter & height *
Supplier of existing recuperator & type
When is the delivery needed *
* = essential for calculations and offer
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