Based on the problems existed in Venturi tube throat of double Venturi 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。
2
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.
介绍了双文清洗工艺中在喉口不供水的情况下系统仍能高效除尘而且喉口不积灰不磨损的原因。
3
The paper also discussed the structure parameters and the flow-speed of the throat-pipe and water volume needed and pressure loss of the Venturi tube in the new dusting system.