Industry operating characteristics
High heat, scale and dust coexist with heavy handling, vibration and large steel structures.
Industry applications
Steel
Protection for furnace systems, gas paths, dust collection, conveying and exposed steelwork in steel production.
Typical process and equipment systems
Heating, annealing, material transfer, gas extraction, dust collection and structural support systems create different maintenance zones.
Typical equipment
Operating environment and conditions
Environmental exposure
High heat and radiant exposure
Scale and abrasive dust
Industrial atmosphere and outdoor exposure
Operating conditions
Thermal cycling
Heavy handling and vibration
Maintenance during planned outages
Why the problems form
Thermal cycling and oxidation affect furnace surfaces while scale, dust and handling loads concentrate abrasion around gas and material routes.
High-temperature oxidation
Typical equipmentHeating furnace · annealing furnace · hot-blast system
Heat, cycling and the local gas atmosphere accelerate oxidation at exposed surfaces and joints.
Scale, cracking and local loss of the protective barrier can increase maintenance exposure.
View solutionParticle wear and erosion
Typical equipmentDust duct · fan · chute · conveyor
Particle size, speed, impact angle and concentrated flow remove material unevenly.
Thinning, grooves and local perforation can disturb flow and shorten service intervals.
View solutionCondensation and under-film corrosion
Typical equipmentFlue · dust collector · outdoor steelwork
Moisture collects at cold spots, welds, supports and poorly drained details.
Blistering, pitting and hidden corrosion can spread beyond the visible defect.
View solutionHeat loss and hot surfaces
Typical equipmentFurnace shell · hot duct · process line
Exposed surfaces, damaged insulation, supports and complex geometry create thermal paths.
Uneven surface temperature and heat loss can affect access, process stability and energy use.
View solutionOperational impact
- Furnace-surface deterioration
- Wear in gas and dust routes
- Corrosion at exposed structures
Protection objectives
- Separate heat, wear and atmospheric zones
- Protect complex furnace and duct geometry
- Plan inspection around shutdown access
Related DAYU-X products
High-Temperature Wear-Resistant Ceramic Coating
Protective coating systems for equipment exposed to abrasion, particle erosion and combined corrosive service.
Typical equipmentBucket elevator · Silo and hopper
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Ultra-High-Temperature Wear-Resistant Ceramic Coating
Protective coating systems for equipment exposed to abrasion, particle erosion and combined corrosive service.
Typical equipmentWaterwall tube · Economizer
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High-Temperature Anti-Corrosion Coating 300-800°C
Protective systems selected for the actual temperature, thermal cycle, substrate and corrosive exposure.
Typical equipmentFurnace shell · Drying oven
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High-Temperature Infrared Radiation Coating
Protective systems selected for the actual temperature, thermal cycle, substrate and corrosive exposure.
Typical equipmentIndustrial kiln · Cracking furnace
View productIndustry application cases
SteelAnnealing furnace wall and radiant tubes
Annealing Furnace Wall and Radiant-Tube Protection
High temperature, repeated thermal cycling and deposits on furnace walls, rollers and radiant tubes.
View case
SteelHigh-temperature furnace and rollers
High-Temperature Furnace Coking, Wear and Application
High temperature, repeated thermal cycling and deposits on furnace walls, rollers and radiant tubes.
View case
SteelIndustrial furnace chamber and refractory lining
Industrial Furnace High-Temperature Functional-Layer Application
Shutdown access, refractory condition, dust, residual heat and the geometry around openings determine the preparation and application sequence.
View case
SteelHigh-temperature process equipment and metal surfaces
High-Temperature Equipment Corrosion Inspection
Heat, oxidation, deposits, old surface layers and restricted access during shutdown inspection.
View caseIndustry FAQ
What information is needed to review protection in Steel?
Provide the equipment location, substrate, medium, operating state, visible high-temperature oxidation signs, access and maintenance constraints. The review must begin with the actual service condition.
Which Steel equipment should be inspected first?
Prioritise assets such as Industrial kiln · Furnace shell · Dust collection equipment · Pipeline where exposure is concentrated, coating condition is changing or access is only available during shutdown.
Can an old coating be overcoated in Steel service?
Only after adhesion, contamination, moisture, defects and compatibility are assessed. Loose or chemically affected layers around high-temperature oxidation zones must not be buried.
How should combined corrosion and wear be handled in Steel?
Map where each mechanism dominates, especially around high-temperature oxidation areas, then define preparation and a compatible layered system for each zone.
How is application quality checked for Steel equipment?
Use traceable preparation records, environmental checks, coverage and defect inspection, confirmed hold points and the protection objective: separate heat, wear and atmospheric zones.
What should a maintenance plan for Steel include?
Record repeatable inspection locations on Industrial kiln · Furnace shell · Dust collection equipment · Pipeline, changes at welds, edges and repairs, and correct local damage before it spreads beneath the surrounding system.
DAYU-X
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