正确选定顶吸罩类型是邢钢转炉二次除尘改造治理的关键。
Appropriate choice of top draft hood type is a key point for the modification project of secondary dedusting of converter off-gas at Xingtai Steelmaking Plant.
论述了高炉出铁场烟尘治理的现状，对二次除尘设计提出了新的设想。
The paper discusses the current status of smoke and dust treatment in blastfurnace cast house, and puts forward the new thought of secondary dust collection design.
运行测试结果表明，该装置能够有效地净化手烧燃煤锅炉的烟尘，避免除尘废水的二次污染。
The test of operation indicates that it can get ride of the dust in flue gas and avoid the second pollution of the water.
对于该种除尘器所产生的二次污染—污水，设计了经济、适用、有效的水处理设施—平流沉降、斜管沉降、澄清。
The design procedure of waste water treatment installation for controlling secondary pollution caused by the cyclone is given.
旋风除尘器内除主流外还存在着二次流现象，主要有短路流、纵向涡流、偏心环流等。
Besides the mainstream, there are still some secondary flow phenomena, such as short-circuit flow, vertical eddy and eccentric circulation vortex.
本实用新型效率高、结构简单、节省能源和水源，无二次污染。除尘效率可达98%。
The utility model has the advantages of high efficiency, simple structure, energy saving, water source saving and no secondary pollution, and dust removing efficiency can reach 98 %.
电除尘器内电场断面烟尘浓度呈非均匀性分布，它是产生振打二次扬尘的重要原因之一。
The dust concentration distribution on the electric field section in ESP is not uniform, this is one of reasons to produce secondary blowing dust.
反电晕和二次扬尘是提高电除尘器的除尘效率所面临的两大难题。
The discorona and re-entrain dust are two key issues to improve the efficiency of the electric precipitator.
影响电除尘器二次电流的因素，大致有烟气性质、粉尘性质、运行情况和设备情况。
The factors having effect on the secondary current of the electric precipitators include mostly the nature of flue gas and dust, operation conditions, equipment conditions.
但是旋风除尘器中存在的短路流，上灰环，二次扬尘等现象，使得固体颗粒不能被完全有效分离，降低了除尘器的分离效率。
But such as short circuit flow, up ash loop, re-entrainment exists and so on phenomenon, made the solid particle couldn't be separated efficiently, so reduced separation efficiency of the cyclone.
用电场投入率、设备投入率、二次电压合格率、二次电流合格率等主要项目表征电除尘器运行状况的优劣。
The operation situation of ESP is identified by the main items such as inservice rate of electrostatic fields, inservice rate of equipment, and acceptable rate of secondary voltage and current, etc.
除尘效率：99.99%，特殊要求，针对特殊要求可采用二次高效过滤除尘器；
Filter efficiency:99.99% and if need, can use two times high efficiency filters.
除尘效率：99.99%，特殊要求，针对特殊要求可采用二次高效过滤除尘器；
Filter efficiency:99.99% and if need, can use two times high efficiency filters.
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