Stainless Steel 316L High-Salt Wastewater Evaporator for Zero Liquid Discharge System
Product Spotlights
Qingdao Conqinphi Environmental Technology Group Co., Ltd. (established in 2015) is a professional manufacturer specializing in high-efficiency wastewater treatment solutions. Our Stainless Steel 316L High-Salt Wastewater Evaporator for Zero Liquid Discharge (ZLD) System is engineered to meet the rigorous demands of industries dealing with highly saline effluents. Leveraging our 10,000-30,000 m² factory and annual export value exceeding US$10 million, we deliver robust, durable evaporation equipment that effectively reduces wastewater volume to near zero discharge, helping clients achieve environmental compliance while recovering valuable water resources.
This evaporator employs advanced thermal evaporation technology, utilizing premium SS316L stainless steel to ensure exceptional corrosion resistance against chloride ions and high-salinity brines. It is designed as a core component of a complete ZLD system, capable of handling feed water with TDS levels up to 300,000 ppm or higher. The unit minimizes energy consumption through integrated heat recovery and optional MVR (Mechanical Vapor Recompression) configuration, making it a cost-effective solution for sustainable water management.
Key Features & Benefits
- Superior Material Quality: Constructed from SS316L (low carbon grade) to withstand pitting and crevice corrosion in high-chloride environments, ensuring long service life even in extreme salinity conditions.
- Zero Liquid Discharge Capability: Concentrates wastewater into solid crystals and distilled water, enabling complete water reuse and eliminating liquid discharge – a perfect fit for stringent environmental regulations.
- Energy-Efficient Design: Optional mechanical vapor recompression (MVR) reduces steam consumption by up to 70% compared to traditional multi-effect evaporation. Standard models also include intelligent heat exchange optimization.
- Fully Automated Operation: Equipped with PLC control and HMI touch panel, allowing real-time monitoring of temperature, pressure, flow rate, and liquid level. Remote operation and alarm notifications are available upon request.
- Customizable Configuration: Capacity ranges from small pilot units (1 m³/day) to large industrial systems (100+ m³/day). Various heating sources (electric, steam, or thermal fluid) can be accommodated based on site utilities.
Technical Specifications (Typical Model)
| Parameter | Value |
|---|---|
| Material | SS316L |
| Evaporation Capacity | 5 m³/day (customizable) |
| Maximum TDS Tolerance | Up to 300,000 ppm |
| Power Supply | 380V / 50Hz (customizable) |
| Heating Method | Steam / Electric / MVR (optional) |
| Control System | PLC + HMI |
| Operating Temperature | 60–120°C (adjustable) |
| pH Range | 2–12 (with optional pH adjustment) |
Our evaporator integrates seamlessly into existing ZLD systems, or we can provide a complete turnkey solution including pre-treatment (softening, filtration) and post-treatment (crystallization, drying). The compact footprint and modular design make installation and maintenance straightforward.
Why Choose Conqinphi?
As a trusted manufacturer since 2015, we serve clients across North America, South America, Europe, Asia, and Africa. Our factory spans over 10,000 m² with 201–300 skilled employees, ensuring strict quality control and timely delivery. We hold multiple certifications including ISO9001, ISO14001, OHSAS18001, and others (available upon request), reflecting our commitment to quality, safety, and environmental management. With an annual export value of US$10–50 million, we have successfully delivered hundreds of wastewater evaporation systems to industries such as petrochemical, pharmaceutical, textile, landfill leachate, and mining.
Each evaporator undergoes rigorous factory testing before shipment. We provide comprehensive technical documentation, installation guidance, and remote troubleshooting support. Contact us today to discuss your specific high-salt wastewater challenges and let our engineering team design a customized ZLD evaporator that meets your exact requirements – from capacity and energy source to automation level and footprint.
Frequently Asked Questions (FAQ)
1. What is the maximum TDS level your evaporator can handle?
Our SS316L evaporator is designed to treat brine with TDS up to 300,000 ppm. For extremely high concentrations, we recommend a multi-stage configuration or pre-concentration to optimize efficiency.
2. Can this evaporator be integrated with an existing ZLD system?
Yes, it can be used as a stand-alone unit or integrated into a larger ZLD train. We provide matching flanges, piping, and control interface to ensure seamless compatibility.
3. What maintenance is required?
Routine maintenance includes cleaning the heat exchange surfaces (frequency depends on water quality), inspecting seals and gaskets, and checking instrumentation. An automatic CIP (clean-in-place) option is available to reduce manual intervention.
4. What heating sources are supported?
We offer electric heating, steam heating, and mechanical vapor recompression (MVR). The choice depends on your site utility availability and energy cost. MVR is highly recommended for large capacities to minimize operational expenses.
5. How long does delivery take?
Typical lead time is 45–60 days for standard capacities. Customized orders may require 60–90 days depending on complexity and material availability. We can provide an accelerated schedule upon request.
6. Do you provide after-sales service?
Absolutely. Our team offers remote commissioning support, spare parts supply, and optional on-site installation assistance. We also provide a one-year warranty on manufacturing defects.
7. Is the evaporator suitable for corrosive wastewater other than salts?
SS316L is excellent for chloride-rich environments. For other aggressive chemicals (e.g., strong acids or fluorides), we may recommend higher-grade alloys like Duplex or Titanium. Please consult our engineers for specific waste stream analysis.
8. Can the system be expanded in the future?
Our modular design allows capacity expansion by adding evaporation modules or pre-treatment units. The control system can be upgraded to manage multiple units simultaneously.
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