Process tanks are the essential drivers of industrial transformation. Unlike standard storage units, these vessels are active components in manufacturing—facilitating mixing, heating, chemical reactions, and separation. At Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel), we specialize in high-integrity Welded Carbon Steel Process Tanks that ensure operational continuity, product purity, and long-term structural reliability.
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● Total Capacity: 11,020 m3 (5 Units, 2,204 m3 each).
● Engineering Focus: Built to AWWA D100 standards, these tanks were engineered for extreme thermal expansion in arid climates, providing a seamless monolithic structure for municipal effluent.
● Total Volume: 1,761 x m3.
● Technical Compliance: Designed for high-integrity wastewater chemistry at one of the world's busiest transit hubs, featuring specialized internal anti-corrosion linings.
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Category | Specification & Industrial Standards |
Material Grades | Q235B, Q345B, ASTM A36 |
Design Codes | API 650 (Oil & Gas), AWWA D100 (Water), GB50128 |
Welding Standards | AWS D1.1, ASME IX |
Corrosion Protection | Fusion Bonded Epoxy (FBE), Glass-Fused-to-Steel |
Welding Process | Submerged Arc Welding (SAW) |
Seismic Design | Category D/E specialized anchoring and flexible piping |
Understanding the technical ecosystem is what separates a manufacturer from an engineering partner.
For hazardous process fluids, manual welding is often insufficient. We utilize Submerged Arc Welding (SAW) to ensure deep penetration and consistent weld beads. This process is vital for maintaining Seismic Design Category D/E integrity, ensuring the tank remains operational during significant seismic events.
The lifespan of a carbon steel tank depends on its barrier. We utilize high-build Fusion Bonded Epoxy (FBE) and specialized linings (pH 1-14) to prevent localized pitting and H2S corrosion. This protection extends the tank's service life to 30+ years.
Feature | Welded Carbon Steel | Reinforced Concrete |
Leak Integrity | 100% gas/liquid tight via SAW | Prone to hairline cracking |
Construction | Fast (Prefabricated) | Slow (Curing & Formwork) |
Maintenance | Easy (Lining spot repair) | Difficult (Structural injection) |
Q: What are the advantages of welded carbon steel over bolted tanks for process fluids?
A: Welded tanks provide a seamless, monolithic structure that eliminates potential leak paths at gasket interfaces. This is mandatory for hazardous chemicals and high-pressure applications where a 100% leak-proof guarantee is required.
Q: How does Center Enamel ensure weld quality?
A: We employ a rigorous NDT (Non-Destructive Testing) protocol, including Radiographic (X-ray) Testing for all butt welds, Ultrasonic Inspection, and full Hydrostatic Testing to confirm absolute zero-leak integrity.
Q: Can these tanks handle aggressive wastewater?
A: Yes. By integrating specialized internal linings, we ensure the carbon steel substrate is isolated from corrosive media, making it superior to concrete for handling aggressive pH shifts in industrial effluents.
With over 30 years of expertise, Center Enamel is the premier China Welded Carbon Steel Process Tanks Manufacturer. Our ISO 9001-certified facilities and compliance with ASME and API codes ensure that your critical industrial infrastructure is built for safety, efficiency, and global regulatory excellence.
