Central burners for shaft furnaces

Central burners for shaft furnaces are developed for straight-line and counterflow furnaces to roast different materials. Central burner is fixed into the furnace roof arch.

Specification sheet of the central burning device for shaft furnaces^*

Parameters	Norm
Nominal thermal capacity, Gcal/h	2,4
Nominal gas consumption, Nm³/h	300
Torch gas pressure, kgf/sm²	< 2,8
Gas temperature, ^oC	from -20 to 30
Compressed air torch pressure, kgf/sm²	до 4,0
Nominal air burning consumption, m³/h	3000
Excess air ratio	from 1,1 to 1,5
Air burning temperature, ^oC	from -20 to 30
TDR	5
Torch length, m	14,5
Torch weight, kg	1700

*Technical parameters can be varied depending on a device.

Other burners, produced by NTPF Etalon Co., Ltd.

Tangential air admission burner systems
Burners without premixing "pipe-in-pipe"
Variable jet geometry burners

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