How To Maintain Industrial Boiler Regularly

During the operation of industrial boilers, some material such as scale, water residue, combustion product may attach on the inside or outside of boilers. The material will corrode boilers, decrease heating efficiency, even bring about accident. So a regular maintenance is essential for safe operation.

Notes for workers when inspect and maintain boilers

When inspecting and maintaining boilers, the workers should look out these aspect
Coated with safety clothes
Standard lighting circuits and mechanical equipment of good insulation
Cut off the steam pipes and water pipes that combined to other boilers
A ventilation for flue pipe
A stable ladder
Hydrogen produced in the process of chemical cleaning be discharged in time, no fire
Another worker should help at outlet of the boiler when one work inside

Internal cleaning

Mechanical cleaning and chemical cleaning is applied to internal cleaning.when the scale is more and harder, we can cleaning it use chemicals and then cleaning with machine such as hammer or shovel. We should note the condition of scale and residue as a reference for the next time cleaning. All the valves and meters should be opened and cleaned carefully. The boiler body should be protected well. When the cleaning work is over, we should ensure that the scale is cleaned thoroughly, no tools is left inside, all the vales or accessories are installed well, change the damaged accessories in time and note down carefully.

External cleaning

Hand cleaning and mechanical cleaning is generally used in external cleaning. Steam soak method, water soak and water washing methods also be used in various boilers. The brick wall and fire proof material should not be wet out. After cleaning, the damaged brick wall should be repaired, the fire proof material be kept dry, no dust is left, explosion proof door is flexible, and so on