锅炉除焦的原因有哪些
    2014-5-27 14:51:58  文章来源:http://www.jnlzsb.com
    除焦方法大多是在燃料中添加添加剂,成本高、效果差、劳动强度大,配料不均匀,难以祛除死角的结焦。
    Decoking methods are mostly additive in the fuel, high cost, poor effect, high labor intensity, ingredients is not uniform, difficult to get rid of dead coking.
    结焦造成过热器前烟温度偏高,受热面管束因高温寿命缩短,锅炉减温水耗量增大。结焦严重,造成锅炉排烟温度严重偏高,热损失增大,严重影响机组经济运行。数控采暖锅炉http://www.jnlzsb.com/
    Cause superheater coking front smoke temperature, heating surface tube bundle for high temperature service life shorten, boiler desuperheating water consumption increases. The severe coking, resulting in boiler flue gas temperature high, the heat loss increase, seriously affecting the economic operation of the unit.
    锅炉受热面结灰(焦)2mm厚,就需多耗燃料2-5%,如某厂三台1000t/h锅炉每年用煤量为200万吨,该锅炉受热面结灰(焦)2mm厚,则该锅炉每年将浪费原煤4万吨以上,折合人民币超过2000万元。
    Fouling of boiler heating surface (coke) 2mm thick, it needs more fuel consumption 2-5%, such as a three 1000t/h boiler with annual coal output of 2000000 tons, the heating surface of the boiler ash (coke) 2mm thick, the boiler will be wasted each year 40000 tons of raw coal, amounting to more than 20000000 yuan.
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