| 摘要 |
FIELD: power engineering.SUBSTANCE: invention discloses the burner nozzle and coal gasification unit. The burner nozzle comprises the body with fuel pipe, gas pipe to maintain the fire and cooling pipe. Note here that the nozzle front end is provided with the cooling chamber. Note also the spiral-shape tubular element connected with aforesaid cooling pipe is arranged in said cooling chamber to make the spiral-shape cooling channel.EFFECT: optimised design of the burner nozzle chamber, reduced risks of damages caused by metal fatigue, longer life.14 cl, 11 dwg |
