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Tianjin ZhuoLiNeng (ZLN) Technology Co., Ltd., a professional manufacturer based in Tianjin, China, brings you a modern solution for caustic soda production. Our skid-mounted plug-and-play caustic soda making equipment is a fully integrated, factory-assembled system designed to streamline the production of sodium hydroxide (NaOH). It combines advanced electrolysis, evaporation and automatic control technology into a single compact unit. This results in fast installation, consistent output, and minimal on-site work, making it an ideal investment for small to medium-scale chlorine-alkali producers.
The equipment is pre-piped, pre-wired and fully tested in our factory before shipment. At the customer's site, you only need to connect utilities and raw materials, and the system is ready to operate. This plug-and-play concept reduces installation time from months to days and significantly lowers engineering and civil construction costs. In addition, the fully automatic control system enables precise regulation of temperature, pressure, concentration and flow, ensuring stable product quality while reducing manual involvement.
Key Features and Benefits
Skid-mounted construction - compact frame integrates all process equipment, from brine treatment to caustic concentration.
Plug-play installation - no complex piping or cable routing required; simple utility connections are enough.
Full automatic control - PLC-based system with HMI touch panel monitors and adjusts all process variables in real time.
Energy-efficient design - optimized electrode configuration and heat integration lower power and steam consumption.
High safety standards - automatic emergency shutdown, leak detection, pressure relief and audible alarms ensure safe operation.
Customized capacity - available in a wide capacity range from 50 kg/h to 2000 kg/h, tailored to your production goals.
Robust material - carbon steel or stainless steel construction, resistant to corrosive environments.
Technical Specifications
| Output concentration | NaOH 32% - 50% (adjustable) |
| Production capacity | 50 - 2000 kg/h (customized) |
| Control system | PLC + HMI, automatic/remote control optional |
| Power supply | 380V - 600V, 50 or 60 Hz (as required) |
| Material of construction | Carbon steel / SS316 (optional) |
| Installation basis | Concrete flat foundation, no special civil works |
| Delivery port | Tianjin Port, China |
How It Works
Raw brine or sodium chloride solution is fed into the system, where electrolytic cells generate chlorine gas and caustic soda. The produced dilute NaOH is then concentrated by an efficient evaporation section to the desired commercial strength. Throughout the entire process, the PLC takes inputs from dedicated sensors and adjusts the rectifier, pumps, valves and heaters automatically. This continuously optimizes chemical conversion and energy use while minimizing the need for operator intervention.
Applications
Our caustic soda making equipment is widely used in industries such as chlorine-alkali production, water treatment, pulp and paper, textile, aluminum processing, soap and detergent manufacturing, and chemical food processing. The output meets various industrial-grade and commercial-grade NaOH requirements, providing a reliable raw material for downstream processes.
Quality Assurance and Service
As a manufacturer with a dedicated engineering team, we provide comprehensive technical support including process flow design, equipment fabrication, factory acceptance testing, site installation guidance and commissioning assistance. Our equipment is fabricated under strict quality management procedures, ensuring reliable performance across diverse conditions. With shipments to many global markets from our Tianjin facility, we have built a strong reputation for timely delivery and responsive after-sales service.
Why Choose ZLN
By choosing ZLN, customers gain access to extensive industry know-how and a partner committed to their success. Our plug-and-play system not only shortens the construction cycle but also provides stable long-term production with lower operating costs. The automatic control reduces labor requirements and the risk of human error. All these advantages contribute to a faster return on investment and sustainable production capacity.
With years of experience in serving global markets—covering North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East and more—we are confident in our ability to meet your needs. From initial inquiry to after-sale support, our goal is to offer a hassle-free, high-performance caustic soda production solution. We welcome you to contact us for further details or to request a customized proposal.
Frequently Asked Questions
1. What is the typical delivery time?
Standard delivery is usually 6-8 weeks after receiving the order and finalized technical parameters. However, for popular models, shorter lead times are available.
2. What utilities are required on site?
The system needs electricity, process water, cooling water, and brine/raw salt. Steam is only required for the evaporation section if you choose the thermal evaporation option; membrane evaporation alternatives are available.
3. How long does installation take?
Because the unit is fully pre-assembled, installation usually takes 3 to 5 days on a prepared foundation, plus another few days for commissioning and operator training.
4. Can the output concentration be adjusted?
Yes, the PLC automatically controls the concentration level between 32% and 50%. You can set the desired value on the HMI, and the system will maintain it accurately.
5. Do you offer customized skid designs for narrow spaces?
Absolutely. Our modular engineering allows us to configure the skid layout to fit your specific plant footprint, including multi-deck designs for space-constrained sites.
6. What safety features are included?
The equipment is equipped with emergency stop buttons, pressure relief devices, gas leak detectors, temperature overrun protection and automatic shutdown logic. All safety parameters are continuously monitored by the PLC.
7. What after-sales services are available?
We provide full documentation, remote technical support, spare part supply, and on-site commissioning service upon request. Our engineers are ready to assist with any production issues.
8. Is the system suitable for small-scale production?
Yes, our range starts from 50 kg/h, which is ideal for small plants and pilot projects. We can also scale up to 2000 kg/h or more with parallel modules.
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