Case study record
An Industrial Flue-Gas Heat Exchanger Project
Power & Energy
Project record
Traceable project fields
The project data below is taken from the corresponding construction report. Customer identity remains anonymised.
Source record: Flue-gas heat-pipe heavy-duty anti-corrosion construction report dated 2016-04-20
IndustryPower & Energy
Country or RegionChina
EquipmentFinned-tube air preheater / heat exchanger
SubstrateCarbon steel
Operating TemperatureLong-term service ≤150°C; project equipment table records 140-180°C
Corrosive MediumWater-bearing flue gas containing SO₂, SO₃, NOx, HCl and particulates
Original ProblemAcid-condensation corrosion combined with high-velocity particulate erosion on the heat-transfer tubes
Product UsedZM desulfurization heat-exchanger anti-corrosion coating
Application MethodAbrasive blasting to Sa 2.5 with 25-40 μm roughness, followed by four spray coats to the specified build
Project ResultInspection recorded the design coating thickness, a uniform film and colour, no wrinkling or agglomeration, and a compliant construction result.
Public Authorization StatusCustomer identity anonymized; technical project fields published from the supplied construction report
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