Bang cleaning system

Function

 

Similar with shock wave soot blower, bang cleaning technology is an effective online solution for soot deposits in various boilers fired by coal, biomass, especially for waste incineration plant. Only it is a mobile unit featured with flexible operation. So we can say it is a mobile system for online cleaning of HRSG & boiler ashes using pressure wave, which could penetrate into tube bundles for deep cleaning.

 

Working principle

 

Bang cleaning system removes ash fouling on boiler tube & wall surface by the pressure wave generated by explosion of fuel gas. Acetylene and oxygen at specified ratio is mixed, and then ignited by remote ignitor. The detonation of fuel gas could generate pressure wave. Within affected area, ash fouling on boiler tubes could be removed by the powerful air blast, or by subsequent vibration of tubes.

 

This is a video from working site: https://youtu.be/PoOoAbrk25U

 

Lance tube

 

PLC control box

 

Air & gas distribution control box

 

Working process

 

1. A lance tube is brought into targeted area within boiler through manhole or view opening.
2. A plastic bag tied to the end of lance tube is filled with mixed fuel gas.
3. Explosion gas is ignited via a remote ignitor.
4. A powerful pressure wave is generated.
5. Soot deposit nearby is cleaned by the air blast.

 

Benefits

 

Bang cleaning system could effectively reduce flue gas temperature, increase boiler output, minimize shutdown times to generate more profits for customers.

 

Features

 

• Online cleaning using pressure wave without shutdown.
• Targeted cleaning for desired area.
• Adjustable cleaning frequency and intensity based on boiler fouling situation.
• Mobile unit with flexible operation to clean dead corner when compared with a fixed unit.
• Quick coupling for acetylene and oxygen pipeline.
• Modular design, easy to use and move.
• Optimized system with safe application, emergency shutoff device equipped.
• Especially suitable with waste incineration plant.

 

Performance