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除尘器出现结露现象的处理方式有哪些?

来源:http://www.yinyehuanbao.com     发布时间:2021-01-08   浏览次数:

、削减脉冲喷吹气体与除尘设备内部烟气的温差与去湿处理
Reduce the temperature difference between pulse injection gas and flue gas inside the dust removal equipment and dehumidification treatment
①当外界空气温度过低且空压气站间隔较远时,供气道路可选用:紧缩空气--储气罐--气源三联件--空气干燥机--空气加热器--气包--脉冲阀。这种供气方法去湿充沛、脉冲喷吹气体与内部烟气的温差小,不易发生结露。
① When the outside air temperature is too low and the distance between the air compressor stations is too long, the air supply path can be selected as follows: compressed air - air storage tank - air source triplet - air dryer - air heater - air bag - pulse valve. This kind of gas supply method has abundant dehumidification, small temperature difference between pulse injection gas and internal flue gas, and is not easy to condense.
②当时国内紧缩气体的常用的供气道路首要是:紧缩空气--储气罐--气源三联件--气包--脉冲阀。这种供气方法具有出资少、设备简略的长处,可是当外界空气温度过低时,紧缩气体处理不充沛、易结露。
② At that time, the most common way of supplying compressed gas in China was: compressed air - gas storage tank - gas source triplet - gas bag - pulse valve. This kind of gas supply method has the advantages of less investment and simple equipment, but when the outside air temperature is too low, the compressed gas treatment is not sufficient and easy to condense.
车间除尘设备
③当空压气站间隔不远,气源三联件中的空气过滤器能够满意去湿需求时,只需留意将空气过滤器接近气包处即可,因而可省去空气干燥器这一环节。当温度过低时,气路管道、气包及脉冲阀都须采纳保温办法,避免发生紧缩空气冷凝和除尘器发生结露。
③ When the air compressor stations are not far apart and the air filter in the air source triplet can meet the dehumidification demand, it is only necessary to pay attention to the air filter close to the air bag, so the air dryer can be omitted. When the temperature is too low, the gas pipeline, air bag and pulse valve must adopt insulation method to avoid condensation of compressed air and condensation of dust collector.
削减漏风现象
Reduce air leakage
安稳烟气温度在较小范围内
Stable flue gas temperature in a small range
当处理的烟气温度偏高时,须当即采纳下降操作温度、放冷风等降温办法;当烟气温度偏低时,须当即采纳进步操作温度等升温办法。使烟气温度能安稳在规则的范围内,保证除尘器正常安稳的运转,削减结露现象。
When the flue gas temperature is too high, the cooling methods such as lowering the operating temperature and cooling air should be adopted immediately; when the flue gas temperature is too low, the heating methods such as increasing the operating temperature should be adopted immediately. So that the flue gas temperature can be stable in the regular range, ensure the normal and stable operation of the dust collector, reduce the condensation phenomenon.
加强隔热保温办法
Measures for strengthening heat insulation
除尘器的壳体须采纳隔热保温办法,此设备的保温一般选用岩棉、硅酸铝板、珍珠胀大岩等导热系数低,绝热性能好,吸水率低,耐热性能好的保温材料。
The shell of the dust remover must adopt the method of heat insulation. Generally, rock wool, aluminum silicate board, pearl expanded rock and other heat insulation materials with low thermal conductivity, good heat insulation performance, low water absorption and good heat resistance are selected for the heat insulation of the equipment.
严格控制增湿塔的喷水量
Strictly control the amount of water spray in humidifying tower
当水泥干法线窑尾的冷却设备选用增湿塔时,不能片面追求降温作用而加大喷水量,须在保证进口温度的情况下严格控制增湿塔的喷水量。增湿塔尽量选用杰出的喷枪,使喷出的水细密均匀,用少的用水量到达杰出的冷却调质作用。
When the humidifying tower is selected as the cooling equipment at the kiln end of the cement dry process line, the water spray quantity of the humidifying tower should be strictly controlled under the condition of ensuring the inlet temperature. The humidifying tower should select outstanding spray gun as far as possible to make the water sprayed fine and uniform, and achieve outstanding cooling and tempering effect with less water consumption.
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