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来源：百度知道 编辑：UC知道 时间：2024/06/07 16:28:52
3.3.5窑单体操作与窑磨联合操作相互转换时，收尘器入口烟尘工况（烟气量、温度、浓度、湿含量、比电阻、粉尘粒度等）有较大变化，常常超标排放。
3.3.6现有电收尘器的设计除尘效率99.875%，按此计算，在正常工艺状况下，只能满足粉尘排放小于100mg/Nm3的要求，要粉尘排放小于50mg/Nm3,电收尘器的除尘效率必须大于99.94%。
3.3.7该生产线投产初期，窑尾电收尘器排放超标，将可控硅高压电源更换为横流源供电，但电收尘器的使用效果一直不理想，原设备设置十档手动调节档位，在运动时，档位开的数量只能调整在某一工艺状态下的最佳档位，不能随工艺状况的变化而随时调节，影响收尘效果，在实际运行中最大只能调至六档。
根据电场面积计算，高压整流柜额定电流应选取1600mA，而实际为1500mA，选用型号偏小。
电收尘器的性能除了与结构有关外，在很大程度上受烟尘性能和操作条件的影响。其影响因素主要有：粉尘的比电阻，含尘浓度，粉尘颗粒组成，气体成分，温度，湿度，收尘的漏风等。在水泥生产中，工艺状况在不断变化，生料磨开，听，增湿塔的喷水量不能及时调整，都可以起收尘器的超标排放。
3.3.4 Although ESP is a high-collecting equipment, but the efficiency of collecting and collecting a plate area of exponential curve relationship. One of the three field electrostatic precipitator, the electric field in the first 80% - 90% efficiency in collecting, and Dier San electric field only to gather dust concentration of 10% -20% lower than that in order to achieve 50mg/Nm3 The concentration of low-emission, or electric field Disi Wu need to be created in the electric field in a significant increase in plate area.
3.3.5 single kiln kiln operation and a joint ground operation convert each other, the entrance Filter dust conditions (gas, temperature, concentration, moisture content, resistance, dust particle size, and so on) there is a greater change, often exceeding emissions .
3.3.6 The design of the existing electrostatic precipitator dust 99.875% efficiency, this calculation, in the normal process conditions, can only meet the emission of dust 100mg/Nm3 less t