Sceptre Power Sdn Bhd
12, Jalan Industri Mas 1,
Taman Mas,
47130 Puchong,
Selangor, Malaysia.
+603-8011 6618

ON-LINE Dry Chemical Cleaning of Furnaces, Heaters, Boilers

“On-The-Run” Dry Chemical Cleaning
 
SENTRO TECHNOLOGIES USA, LLC specializes in furnaces, heaters and boilers chemical cleaning during normal operating conditions.

There is no need to shut down the equipment, production continues normally.

Cleaning process applied on external tube surface of both radiant and convection tubes (fire side).

We also dry-clean air pre-heating system, economizer, and other types of process equipment.

A Process of Chemistry & Physics

Cleaning is done by combination of mechanical effect and chemical effect – simultaneously.

The mechanical effect is non-aggressive abrasion over the tube surface, without damaging the surface, fins, or refractory.

The chemical effect is a neutralization reaction between alkaline SENTROMAX chemicals and the acidic scale, hot spots (usually sulfuric) and fouling deposits.

This innovative dry cleaning process is safe, environmental-friendly and cost effective.



We anticipate that the SENTROMAX On-Line Dry Chemical Cleaning of process furnaces, heaters, and boilers will deliver the following benefits and results:
  1. Cleaning is performed On-Line during normal operating conditions of the unit, there is no need to shut it down.
  2. Removal of scale and fouling from external tube surface, Radiant and Convection tubes, thereby increasing thermal efficiency (heat transfer). As a result, reducing operating energy consumption and increasing production rate.
  3. No Scaffolding required.
  4. No water, no water-treatment.
  5. No dry-Ice (no thermal shock to tubes, especially to cast iron tube-supports)
  6. No foam or soap (no caustic stress corrosion cracking)
  7. No clean-up or disposal requirements
  8. No harmful chemicals (no negative environmental impact)
  9. No damage to tubes, fins, refractory, instrumentation.
  10. No confined space entry

Major Benefits
  • Immediate increase of furnace or boiler thermal efficiency
  • Immediate increase of throughput / production
  • Energy saving by reduced fuel consumption
  • Reduced emission / pollution
  • Reduce temperature profile of the furnace or boiler (cell, bridge wall, stack)
  • Pre-shut down activity – saves time and costs
  • Saves maintenance activities (such as: scaffolding, sand blasting, water blasting etc..)
TOTAL THERMAL EFFICIENCY of the furnace can be increased by 4-12%


Our On-Line Cleaning Process is SAFE and Environmental Friendly:
  • Developed over years of R&D and field  experience
  • Chemicals are Non-toxic, Non-hazardous, Non-corrosive, Non-poisonous, Non-flammable, Non-explosive, Non-transport regulated
  • No damage to metallurgy, refractory, and instrumentation
  • Chemicals completely decompound in high temperature
  • Chemicals are compatible with all types of furnace or boiler metallurgy

Photo Gallery

Fouled Radiant tubes




On-Line dry chemical cleaning in action – Radiant section

 



On-Line dry chemical cleaning in action – Convection section
 


Radiant tubes cleaning process:

note clean areas Vs. dirty areas

 




Radiant tubes BEFORE cleaning

 



Radiant tubes  AFTER cleaning


 

Convection tubes cleaning process:

note clean tubes (bottom bundle) Vs. dirty tubes (upper bundle)


 
 

Convection section existing openings/windows:


 


Convection section openings (flanges) made specifically for SENTRO cleaning:
 


Furnace On-Line Dry Chemical Cleaning (night shift):

note the light plume of white smoke, that appears like steam


 

 

SENTROMAX dry chemicals are non-hazmat, non-toxic, not regulated for transport
 

 

SENTRO setup near the furnace: Equipment, Chemicals, Air Compressor and Hoses – our footprint is small.
 

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