"Devil city" be located in blasttuyere, the four seasons is windy.
“魔鬼城”地处风口，四季多风。
2
The hot air is always carried to the furnace by a powerful turboblower, through the hot blast main, bustle pipe, bootleg, blowpipe and tuyere.
热风由功率强大的鼓风机通过热风总管、环形风管、风口小弯管、直吹管和风口不断鼓人高炉。
3
The temperature distribution and stress distribution of blast furnace tuyere with gradient coating have been studied using finite element analysis software, comparing with uniform coating.