Corrosion resistance treatment of condensing heat exchanger steel structures exposed to a combustion environment
AssigneeGas Research Institute
InventorsPalitha Jayaweera, Angel Sanjurjo, Kai-Hung Lau
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Abstract
A condensing heat exchanger structure in contact with a combustion environment and which structure includes a ferrous substrate is provided with a corrosion resistant diffusion coating applied to the ferrous substrate via a fluidized bed application. Also provided is a method for improving the corrosion resistance of a condensing heat exchanger structure which includes a ferrous substrate and a surface portion at least partially exposed to a combustion product-containing environment. In such method, a corrosion resistant diffusion coating is applied onto the ferrous substrate via a fluidized bed application.
Claims21
In a condensing heat exchanger structure in contact with a combustion environment, the structure comprising a ferrous substrate metal, the improvement comprising:
- a corrosion resistant diffusion coating applied to the ferrous substrate metal via a fluidized bed application.
A method for improving the corrosion resistance of a condensing heat exchanger structure comprising a ferrous substrate, the structure including a surface portion at least partially exposed to a combustion product environment, the method comprising:
- applying a corrosion resistant diffusion coating onto the ferrous substrate via a fluidized bed application.
Dependencies are inferred from the claim text.