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Welcome to Tianjin ZhuoLiNeng (ZLN) Technology Co., Ltd. — a professional manufacturer specializing in precision chemical dosing systems. Our Fully Automatic Control Hydrochloric Acid Equipment with PLC control, skid-mounted and plug-play design, is engineered to deliver accurate, safe, and efficient hydrochloric acid dosing for a wide range of industrial applications. This system combines robust construction with intelligent automation, making it an ideal solution for customers seeking a reliable, turnkey acid handling system that minimizes manual intervention and operational risk. With ZLN's advanced manufacturing capabilities and strict quality control procedures, this equipment ensures reliable performance and long service life, giving you peace of mind.
The following details highlight the core features, technical parameters, and benefits of this automatic hydrochloric acid dosing system. Whether you are involved in water treatment, chemical processing, or metal surface treatment, this plug-and-play skid unit is designed to simplify installation and deliver consistent results.
Full PLC Automation: The system features a programmable logic controller (PLC) with user-friendly HMI interface, enabling fully automatic operation, real-time monitoring, and precise dosage control.
Skid-Mounted Plug-Play Design: Pre-assembled on a rugged skid, all components (pumps, valves, sensors, and control panel) are integrated for easy transportation and rapid on-site installation. Simply connect utility lines and start operation.
Corrosion-Resistant Materials: Wetted parts are constructed with high-grade PP, PVDF, or PTFE-lined materials, ensuring compatibility with concentrated hydrochloric acid and extended durability in aggressive environments.
High-Efficiency Dosing Pump: Equipped with reliable diaphragm or peristaltic pumps, the system delivers precise and steady acid flow rates while handling high-viscosity and corrosive chemicals safely.
Integrated Safety Interlocks: Pressure and level sensors, emergency stop, and leak detection are incorporated into the PLC logic to guarantee safe handling of hydrochloric acid and prevent accidental exposure.
Compact and Space-Saving Layout: The compact skid minimizes footprint, making it suitable for tight plant layouts and modular expansion.
Remote and Local Control: Supports both local HMI and optional remote SCADA / Modbus connectivity for centralized monitoring and data logging.
Low Maintenance Requirement: Designed with easily accessible components and self-priming and no-clog features, maintenance is fast and cost-effective, reducing downtime.
Technical Specifications:
| Control Mode | PLC Automatic / Semi-automatic / Manual |
| Dosing Accuracy | ±1% – ±3% of full scale (depending on pump type) |
| Material of Wetted Parts | PPH / PVDF / PTFE lined |
| Flow Range | 50 L/h – 2000 L/h (customizable) |
| ACID Concentration | Up to 31% HCl (customized design) |
| Power Supply | AC 220V/380V/440V, 50/60Hz (optional) |
| Operating Pressure | Atmospheric or low pressure (per system) |
| Operating Temperature | -10°C to +50°C (ambient) |
| Protection Level | IP55 / IP65 (optional) |
| Skid Dimensions | Customizable (standard 1.2m×1.2m×2.2m) |
Key Benefits to Your Business:
Plug-Play Simplicity: No on-site fabrication needed; reduces installation time by up to 80%, enabling faster plant commissioning.
Improved Operational Safety: Automated shutdown and alarm functions minimize human exposure to hazardous chemicals and meet strict workplace safety expectations.
Cost Efficiency: Precise dosing control reduces chemical consumption, and lower maintenance requirements reduce total lifecycle costs.
Durability in Harsh Environments: Corrosion-resistant construction ensures a service life even when handling concentrated hydrochloric acid.
Flexible Integration: The PLC can easily adapt to different process signals (4-20mA, 0-10V), enabling seamless integration with your existing process control system.
Compact Structure: Occupies minimal floor space, making it ideal for retrofits and expansions.
At ZLN, we are committed to providing reliable and compliant solutions for industrial chemical dosing. Our team of experienced engineers can customize the system to meet your specific flow, pressure, and automation level requirements. We provide comprehensive technical documentation and after-sales support, ensuring your system operates at peak performance. You can trust our equipment for long-term, stable operation backed by our factory-level quality assurance.
Why Choose Tianjin ZLN Technology? As a leading manufacturer located in Tianjin, China, we have built strong partnerships with clients across North America, South America, Europe, Southeast Asia, Africa, Oceania, and many other regions. Our factory holds certification, reflecting our commitment to quality management. We offer fast shipping from Tianjin Port and flexible customization options to match diverse industrial environments. Our professional sales team provides prompt quotations, clear communication, and dependable after-sales service. We invite you to contact us to discuss your hydrochloric acid dosing requirements — let ZLN provide you with a safe, efficient, and plug-and-play solution today.
Frequently Asked Questions:
1. What does the skid-mounted plug-play design mean? It means the entire system is factory assembled and tested on a steel skid. It arrives as a compact module. You only need to connect electrical power, input/output pipelines, and startup. No complex on-site assembly is required, which saves time and reduces installation errors.
2. Can the PLC control system be integrated with a DCS or SCADA? Yes. The PLC supports standard communication protocols such as Modbus RTU/TCP. It can also be configured to accept analog or digital signals from your existing control system. Remote monitoring and control are optional and can be tailored to your needs.
3. What concentration of hydrochloric acid can this equipment handle? The standard configuration is suitable for 31% HCl solution. If you use higher concentration or other acids, we can adjust materials and pump components accordingly. Please provide your specific requirements during inquiry.
4. How is the dosing accuracy guaranteed? Accuracy is achieved through precise calibration, high-quality dosing pumps, and intelligent PLC feedback control. The system can also include flow meters and automatic calibration functions to maintain consistent dosage.
5. What are the maintenance requirements? Regular visual inspection, cleaning of suction filters, and periodic calibration are recommended. The system is designed for easy access to all serviceable parts. Our manual includes detailed maintenance procedures and spare part lists.
6. Is it safe to handle hydrochloric acid automatically? Yes. The skid includes multiple safety features like leak detection, low level alarm, overpressure protection, and emergency stop. These are integrated into PLC logic to ensure safe shutdown in case of abnormal conditions. We also provide optional gas detection and neutralization mechanisms.
7. What technical documents and after-sales support do you provide? We provide P&ID, layout diagram, electrical diagram, operation manual, and certificate of quality. Our after-sales team offers remote support, video guidance, and optional on-site commissioning. We can also provide training for your operators.
8. Is the equipment customizable to my specific application? Absolutely. We offer different capacities, materials, pump types, and control configurations. The skid size and layout can also be adjusted to fit your floor plan. Send us your requirement, and our engineering team will propose the optimal solution.
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