Air flow measurement of utility boilers is often liken by using venturi duct, latticed wing, multiple pilot tube and doubleventuri tube.
电站锅炉的通风量，主要用风道型文丘里、机翼、笛型管及双文丘里进行测量。
2
Based on the problems existed in Venturi tube throat of doubleVenturi tube wet cleaning system, the rectangle sizing throat is developed and designed.
针对双文氏管湿法除尘系统一级文氏管喉口存在的问题，开发设计了矩形定径式喉口。
3
Reasons of high efficiency dedusting and no settling dust and no abra-sion at the throat inlet of the system under the condition of no water With the double-Venturi Tube washing process are presented.