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Help CenterPLC Controlled Sodium Nitrate Evaporation and Crystallization Unit, 220V/380V, 0.5-2 Ton/Day Capacity
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Qingdao Conqinphi Environmental Technology Group Co., Ltd., a manufacturer established in 2015 with a factory area of 10,000–30,000 square meters and over 200 skilled employees, proudly presents our PLC Controlled Sodium Nitrate Evaporation and Crystallization Unit. This advanced equipment is designed to deliver high-efficiency sodium nitrate recovery with precise automation, supporting capacities from 0.5 to 2 tons per day at 220V or 380V power supply. With annual export value exceeding US$10 million and global markets across North America, Europe, and Asia, we bring reliable, customizable solutions for chemical processing industries.
The unit integrates a programmable logic controller (PLC) for fully automated operation, ensuring consistent product quality, reduced labor costs, and optimized energy consumption. Whether you need to concentrate or crystallize sodium nitrate from industrial waste streams or production processes, this system offers a robust, modular design that can be tailored to your specific requirements.
Key Features & Technical Specifications
- PLC Control System: Touchscreen interface with real-time monitoring, automatic start/stop, alarm management, and data logging. Supports remote access via optional Ethernet module.
- High Evaporation Efficiency: Multi-effect evaporation design (2 or 3 effects) reduces steam consumption by up to 40% compared to single-effect systems.
- Corrosion-Resistant Construction: Main contact parts made of SS304 or SS316L stainless steel, suitable for handling corrosive sodium nitrate solutions.
- Flexible Capacity Range: 0.5–2 tons per day of crystallized product, adjustable via PLC parameters to match production needs.
- Integrated Crystallization: Forced circulation or DTB crystallizer design ensures uniform crystal size and high purity (≥99%).
- Energy Saving: Heat recovery system preheats feed, lowering overall energy consumption.
- Compact Footprint: Skid-mounted design for easy installation and minimal site preparation.
| Parameter | Specification |
| Model | Customizable (e.g., CQN-SNEC-1T) |
| Capacity (crystallized product) | 0.5 – 2 Ton/Day |
| Power Supply | 220V / 380V, 50/60Hz, 3-phase (customizable) |
| Control System | PLC + HMI (Siemens or equivalent) |
| Material of Construction | SS304 / SS316L (optional) |
| Heating Source | Steam (0.3–0.6 MPa) or Electric (optional) |
| Evaporation Method | Multi-effect forced circulation |
| Crystallizer Type | DTB or forced circulation (optional) |
| Product Purity | ≥99% (adjustable) |
| Certifications | ISO9001, OHSAS18001, HACCP, etc. |
Detailed Advantages for Your Business
1. Automated Precision – The PLC system eliminates manual errors, maintains precise temperature and pressure profiles, and automatically adjusts feed rate to maintain optimal crystallization conditions. This results in consistent sodium nitrate crystal size and purity, reducing reprocessing and waste.
2. Energy Efficiency – Our multi-effect evaporation design recovers latent heat from vapor, cutting steam consumption by 30–40%. Combined with a heat recovery heat exchanger, the unit can achieve a steam economy of 0.5–0.6 kg water evaporated per kg steam, significantly lowering operational costs.
3. Durability & Safety – All wetted parts are made of stainless steel, resistant to corrosion from sodium nitrate and other chemicals. The system includes automatic safety interlocks, overpressure protection, and leak detection, complying with international safety standards.
4. Easy Maintenance – The skid-mounted design allows quick access to all components. PLC diagnostics provide real-time alerts for maintenance needs, reducing downtime. Spare parts are readily available from our stock.
5. Scalability – The unit can be easily scaled up or down by adjusting the PLC parameters or adding additional evaporation effects. We offer customized solutions for capacities from 0.5 to 10 ton/day upon request.
Application Scenarios
- Sodium nitrate recovery from wastewater in fertilizer and chemical plants.
- Concentration of sodium nitrate solutions before subsequent drying or packaging.
- Production of high-purity sodium nitrate for glass, enamel, or pharmaceutical industries.
- Zero liquid discharge (ZLD) systems where salt recovery is required.
Why Choose Qingdao Conqinphi Environmental Technology Group?
Since our founding in 2015, we have grown into a leading manufacturer with a 10,000–30,000 m² factory, 201–300 employees, and annual exports of US$10–50 million. Our products are certified under ISO9001, OHSAS18001, HACCP, and other standards, reflecting our commitment to quality and safety. We have shipped to over 50 countries across North America, South America, Europe, Africa, and Asia. Our team of experienced engineers provides full technical support, from process design to installation and commissioning. With a strong supply chain and Qingdao port for convenient shipping, we ensure timely delivery and competitive pricing.
Our PLC Controlled Sodium Nitrate Evaporation and Crystallization Unit has been successfully deployed in multiple projects, receiving positive feedback for its reliability, energy savings, and ease of operation. We invite you to contact us for a detailed quotation, technical drawing, or a sample testing arrangement. Let us help you optimize your sodium nitrate processing with a customized, high-performance solution.
Frequently Asked Questions
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Q: Can the capacity be adjusted to a specific daily output?
A: Yes, the PLC allows you to set the target production rate between 0.5 and 2 tons per day. For capacities outside this range, we offer custom designs up to 10 ton/day. -
Q: What materials are used for the evaporator and crystallizer?
A: Standard construction is SS304 stainless steel. For higher corrosion resistance, SS316L is available on request. All gaskets and seals are made of PTFE or EPDM. -
Q: What utilities are required for operation?
A: The unit requires electrical power (220V/380V, 3-phase), a steam supply (or electric heater option), and cooling water. Detailed utility requirements are provided in the technical datasheet. -
Q: Is training provided for operators?
A: Yes, we offer on-site training for your team, including PLC operation, maintenance procedures, and troubleshooting. Remote support is also available. -
Q: What is the typical delivery time?
A: Standard units (0.5–2 ton/day) can be shipped within 30–45 days after order confirmation. Customized systems may require 60–90 days depending on complexity. -
Q: Do you provide installation and commissioning services?
A: Yes, we can send our engineers to supervise installation and commissioning at your site. This service is available at an additional cost. -
Q: What certifications does the equipment hold?
A: Our manufacturing facility is certified under ISO9001, OHSAS18001, and HACCP. The unit itself can be designed to meet CE, ASME, or other international standards upon request. -
Q: How do you ensure product quality and after-sales support?
A: We conduct rigorous factory testing (FAT) before shipment. Our warranty covers 12 months from commissioning, and we provide lifetime technical support and spare parts supply.
For more information or to request a quote, please contact our sales team. We look forward to partnering with you to enhance your sodium nitrate production efficiency.
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