How to prolong the service life of coal fired steam boiler

2016-05-13

How to prolong the service life of coal fired steam boiler

Coal fired steam boiler uses coal as its fuel,and produces steam for industrial production.Currently,as China is a big coal-producing country,coal fired steam boiler is widely used in all walks of life,so it is necessary to know some knowledge to prolong the service life of coal fired steam boiler,the engineer form Zhengzhou Boiler Co., Ltd.,gives the following advices to us.

Avoiding too high steam pressure

Too high steam pressure means that the energy consumption is high,the corresponding steam equipment, piping and valves must bear high pressure,the requirement of maintenance is higher,the heat dissipation and leakage loss in the processes of steam production and transportation is bigger.At the same time,with the increasing of steam pressure,the content of salt carried by high pressure steam becomes higher,which increases the possibility of fouling,overheating, blistering, blockage or even tube burst. Avoiding excessive fuel

The weight ratio of coal and air is preferably 1:9.14,excessive fuel leads to a lot of incomplete combustion,such as carbon monoxide,which causes the dark and weak flame of furnace and black smoke from chimney.

Avoiding too finer coal particles

Form the point of combustion,the finer coal particles are more easily mixed with air,complete combustion is easier to reach,but,for the coal steam boilers,too finer coal particles means that milling power consumption will be greatly increased and fuel loss increases because of flying ash. Meanwhile,Zhengzhou Boiler Co., Ltd.,the professional industrial boiler and pressure vessel manufacturer in western and central china,also indicates that to prolong the service life of coal fired steam boiler,suitable work pulling out the fire is needed.

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