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1.Keywords
FRP Exhaust Stack, Corrosion-Resistant Chimney, Chemical Fume Vent, Acid Mist Resistant Stack, Lightweight FRP Smokestack, Industrial Gas Discharge Tower, Custom FRP Flue Pipe, High-Temperature FRP Stack, Scrubber Exhaust Chimney, Dual-Layer FRP Vent
2.Technical Specifications
1. Material & Construction
Parameter |
Specification |
Inner Layer |
Corrosion-resistant resin (VE/ISO) + C-glass veil |
Structural Layer |
E-glass fiber + vinyl ester resin |
Outer Layer |
UV-resistant gel coat (optional FRP/PP cladding) |
Conductive Option |
Carbon fiber layer for static dissipation |
Max Temperature |
120°C (standard), 180°C (heat-resistant resin) |
2. Standard Dimensions
Diameter (mm) |
Wall Thickness (mm) |
Standard Height (m) |
Φ300-Φ1000 |
6-12 |
6/12/15/20 |
Φ1200-Φ3000 |
12-20 |
Custom |
3. Mechanical Properties
Property |
Value |
Tensile Strength |
≥250 MPa |
Flexural Strength |
≥200 MPa |
Barcol Hardness |
≥40 |
Flue Gas Velocity |
15-25 m/s |
3.Key Advantages
1. Unmatched Corrosion Resistance
Chemical Resistance Chart:
Chemical |
Resistance |
H₂SO₄ (≤70%) |
Excellent |
HCl (≤35%) |
Excellent |
HNO₃ (≤40%) |
Good |
HF (≤10%) |
Fair (PVDF liner required) |
2. Structural Integrity
Wind Load: Designed for 60m/s (Beaufort Scale 12)
Seismic Performance: Meets IBC 2018 seismic zone 4 requirements
Joint System:
Flanged connections (ANSI B16.5)
Bell-spigot joints with chemical-resistant gaskets
3. Maintenance-Free Design
Self-Cleaning: Smooth interior surface (Ra≤0.8μm)
Inspection Ports: Every 6m with quartz glass windows
4.Specialized Configurations
A. Scrubber Exhaust Stacks
Mist Eliminator Integration:
Built-in chevron demister (PP/FRP)
Drainage collection ring
B. High-Temperature Applications
Insulated Design:
Ceramic fiber blanket (100mm) + aluminum cladding
Heat-resistant resin (up to 180°C continuous)
C. Explosive Atmospheres
Conductive FRP:
Surface resistivity <10⁶Ω/sq (ATEX/IECEx compliant)
Lightning protection system
5.Industry Applications
1. Chemical Processing
Chlor-alkali plants: Cl₂/HCl exhaust
Titanium dioxide production: TiCl₄/SO₂ emission
2. Waste Incineration
Wet scrubber exhaust: Acidic saturated gas
Bypass stack: Emergency discharge
3. Semiconductor Industry
Acid exhaust (HF/HNO₃): Ultra-high purity surface finish
4. Power Plants
FGD systems: Limestone slurry saturated gas
6.Quality Assurance
Manufacturing Process
1.Computer-Controlled Winding:
7-axis CNC filament winding (±0.5mm tolerance)
2.Curing:
Infrared curing oven (80°C for 8 hours)
3.Testing:
Spark test (15kV/mm)
Hydrostatic test (1.5x design pressure)
7.Certifications
Material: ASTM D5364, EN 13121
Design: ASME RTP-1, PD 5500
Safety: UL 94 V-0 (Flame retardant)
8.Customization Services
1. Special Features
Ice Prevention: Electric trace heating system
Acoustic Treatment: Perforated liner + mineral wool
2. Accessories
Sampling Platforms: ANSI-compliant cages & ladders
Emission Monitoring: CEMS probe mounting flanges
3. Installation Support
Modular Construction:
Shop-fabricated segments for field assembly
Lifting Kits:
Custom lifting lugs for tower cranes
9.Contact for
CFD flow analysis for optimal diameter selection
Corrosion mapping for mixed chemical streams
Turnkey installation (Foundation design to commissioning)
Indirizzo
20 Xingyuan South Street, contea di Zaoqiang, città di Hengshui, provincia di Hebei, Cina