前言在火电厂中投入运行的文丘里管湿式除尘器,不论是通过运行考验或除尘效率测定结果都表明;在设计工况下,除尘器效率都可以达到96～97%以上。因此在火电厂中获得迅速推广,到1977年底。已有二十八个电厂的五十多台锅炉上采用了文丘里管湿式除尘器,此外还有一批正在施工中。但是这种除尘器尚不同程度地存在烟气带水现象,以致引起吸风机进口烟道、进气箱堆积湿灰及吸风机叶片粘灰的现象,由于烟气带水和堆积湿灰严重、有的甚至影响了锅炉的安全运行或限制了锅炉的出力。 Preface The venturi wet-type precipitator, put into operation in a thermal power plant, has shown through both running tests and dust removal efficiency measurements that the efficiency of the precipitator can reach 96-97% at design conditions. Therefore, rapid thermal power plant was promoted to the end of 1977. Venture tube wet scrubbers have been used on more than 50 boilers in 28 power plants, and a number of them are under construction. However, this kind of dust remover still has the phenomenon of flue gas with water to some extent, resulting in the phenomena of flue gas inlet flue, air box accumulation wet ash and suction fan blade sticky ash, Some even affect the safe operation of the boiler or limit the output of the boiler.