Industry: Power

Description of Equipment: Circulating Fluidized Bed Boiler

Problem: A slow, controlled heat-up schedule was not possible with the existing burner system and the customer required a minimum life of 2 years.

Solution: Gun, ram, and cast appropriate Thermbond products to eliminate the long and expensive dry-out schedule. Thermbond provides fast and easy installation methods in the various parts of the waste incinerator including areas of erosion and thermal shock.

Product Being Replaced:  Conventional refractory products

Savings Using Thermbond: Reducing the length of the thermal dry out

Products Applied:

• Thermbond Formula 2104-AL
• Thermbond Formula 2104-G
• Thermbond Formula 12-L
• Thermbond Formula 15-R
• Thermbond Formula 6-AG
• Thermbond Formula 6-P
• Thermbrake 403-G

Method of Installation: Cast, gun, ram, patch

Equipment Used: Pan-mixer, rotary feed wheel gunning machine, pencil vibrator

Scope of Work:

• Fluidized bed: Cast Formula 2104-AL at a depth of 4 inches.
• Cone of furnace: Formula 2104-AL cast up to 6 inches, Formula 12-L rammed up to 5 inches
• Combustion chamber: Formula 2104-AL cast up to 6 inches, Formula 2104-G gunned up to 6 inches, Thermbrake 403-G gunned up to 5 inches
• Seal pot (syphon): Formula 2104-G gunned up to 5 inches, Thermbrake 403-G gunned up to 5 inches
• Bed material return cooler: Cast Formula 2104-AL at 6 inches, 2104-G gunned up to 6 inches, Thermbrake 403-G gunned up to 5 inches
• Syphon roof, gas barrier: Formula 2104-G gunned up to 5 inches, Formula 403-G gunned up to 5 inches, Formula 15-R rammed up to 6 inches
• Flue gas duct: Formula 6-AG gunned up to a depth of 5 inches.
• Wall areas: Hand pack patches of Formula 6-P to depths of 1 – 2 inches