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Hot Tube Descaling

Refining: Hot Tube Descaling

Cetek Hot Tube Descaling in Progress

Cetek’s patented Hot Tube Descaling Process (HTD) removes radiant section process tube scale & fouling during furnace operation. The HTD process uses unique water-cooled lances which ensure continuous scale removal and maximum cleaning while the heater continues to function normally. The process utilizes consumable abrasive media resulting in no increase in emissions. In some applications, Cetek's LancescopeTM system is used to see hard to reach areas. In addition, Cetek has the capability to safely create engineered access ports that can be used to facilitate the HTD process and in the future.

Typical results of the HTD process include bridgewall temperature reduction of 50°F (10°C) to 100°F (38°C).

Cetek Hot Tube Descaling Results Example

 

Before HTD

After HTD

Avg Tube Surface Temperature (°F)

1,600

1,200

Bridgewall Temperature (°F)

1,790

1,610

Heat Flux (Btu/hr sqft)

8,000

8,700

Charge Rate (BPSD) - same firing rate

23,000

25,000

Total Production Increase

 

8.7%

Payback of Investment

 

10 Days

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