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Help CenterHydrochloric Acid Dosing System for Steel Pickling - Fully Automatic Control Ensures Efficient Metal Surface Treatment
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Welcome to Tianjin ZhuoLiNeng (ZLN) Technology Co., Ltd. As a professional manufacturer with certification, we are proud to introduce our Hydrochloric Acid Dosing System for Steel Pickling. This fully automatic control unit is engineered to deliver precise, efficient, and safe acid dosing for metal surface treatment processes. Whether you are in the steel manufacturing, automotive, or construction industry, our system ensures consistent pickling quality while minimizing chemical waste and operator intervention.
Our dosing system integrates advanced PLC-based automation, high-accuracy metering pumps, and robust corrosion-resistant materials. It is designed to handle the harsh conditions of hydrochloric acid environments, providing reliable performance day after day. With flexible configuration options and easy integration into existing production lines, this system is the ideal solution for modern steel pickling facilities.
Key Features & Technical Specifications
Fully Automatic PLC Control – Touch screen interface with real-time monitoring and alarm functions. Adjust dosing parameters on-the-fly without stopping production.
High-Precision Metering Pumps – Diaphragm or plunger type available, accuracy ±1% to ensure consistent acid concentration.
Corrosion-Resistant Materials – Wetted parts made of PVC, PP, or PTFE to withstand concentrated hydrochloric acid up to 35%.
Safety Features – Leak detection, emergency stop, over-pressure protection, and low-level alarms for safe operation.
Compact Design – Skid-mounted or wall-mounted options save floor space and simplify installation.
Remote Monitoring Capability – Optional integration with SCADA or DCS systems via RS485 or Ethernet.
| Parameter | Value |
|---|---|
| Flow Rate Range | 0.5 – 50 L/h (customizable up to 200 L/h) |
| Operating Pressure | Up to 10 bar |
| Viscosity Range | 0.3 – 800 mPa·s |
| Temperature Range | 0 – 80°C |
| Control Protocol | 4-20 mA, Modbus RTU, Ethernet/IP (optional) |
| Power Consumption | ≤ 500 W |
Customer Benefits
Reduced Operating Costs – Precise chemical dosing minimizes acid overuse, saving up to 15% on consumables.
Improved Pickling Quality – Consistent acid concentration ensures uniform oxide removal, reducing rework.
Increased Safety – Automated operation limits human exposure to hazardous chemicals.
Easy Maintenance – Modular design with quick-release connections for pump and valve servicing.
Scalable Solutions – Multiple pump heads or parallel units can be added for higher capacity.
Our systems have been shipped to over 30 countries across North America, South America, Europe, Asia, and Africa. With Tianjin port as our shipping hub, we ensure fast delivery worldwide. ZLN has a dedicated after-sales team providing online technical support and on-site commissioning assistance. We are committed to helping our clients achieve efficient and safe metal surface treatment.
Contact us today for a tailored quotation or to discuss your specific pickling line requirements. With over 10 years of experience in industrial dosing solutions, we guarantee a reliable partner for your production.
Frequently Asked Questions
Q: What concentration of hydrochloric acid can the system handle?
A: The standard system is designed for HCl concentrations up to 35%. For higher concentrations, optional PTFE wetted parts are available.Q: Can the dosing system be integrated with my existing PLC?
A: Yes, we offer multiple communication protocols (Modbus, Profibus, Ethernet) for easy integration. Please specify your requirements.Q: What is the typical lifespan of the metering pump?
A: With proper maintenance, the pump diaphragm can last over 8000 hours. Regular inspection of seals is recommended.Q: Is the system explosion-proof?
A: Standard units are not ATEX certified, but we can provide explosion-proof components upon request for hazardous areas.Q: How do you ensure the dosing accuracy?
A: We use high-precision digital flow meters and feedback control loop. Calibration certificates are provided with each system.Q: What is the delivery lead time?
A: For standard models, lead time is 2–4 weeks after order confirmation. Custom orders may take 6–8 weeks.Q: Do you provide installation and training?
A: Yes, we offer on-site commissioning and operator training for an additional fee. Remote support is always free.
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