The flue gasresidual swirling at furnace outlet is considered as an essential problem for tangential firing boiler.
炉膛出口气流残余旋转被认为是切向燃烧锅炉的固有问题。
2
The stack gasresidual heat utilizing device of the invention adopting the structure has the characteristic of efficiently utilizing the stack gasresidual heat;
采用上述结构的本发明烟囱废气余热利用装置，具有高效利用烟囱废气余热的特点；
3
A century earlier, Henry Cavendish had noted the existence of a residualgas when oxygen and nitrogen are removed from air, but its importance had not been realized.