Titanium Stainless Steel Carbon Steel MVR Evaporator for Corrosive Wastewater Treatment
Product Spotlights
Welcome to Qingdao Conqinphi Environmental Technology Group Co., Ltd. – a professional manufacturer with over 8 years of experience in the environmental equipment industry. Our factory covers 10,000–30,000 square meters and we export to more than 20 countries worldwide. The Titanium Stainless Steel Carbon Steel MVR Evaporator is designed specifically for treating corrosive industrial wastewater, combining advanced mechanical vapor recompression (MVR) technology with high-performance corrosion-resistant materials. This equipment delivers significant energy savings (up to 50% compared to traditional evaporators) and reliable long-term operation, making it an ideal choice for zero liquid discharge (ZLD) projects in chemical, pharmaceutical, and petrochemical sectors.
Our MVR evaporator leverages a compressor to recycle secondary steam, drastically reducing external steam consumption. The wetted parts are constructed from titanium, stainless steel 316L, or carbon steel with anti-corrosion linings, offering unparalleled resistance to acids, alkalis, and salt solutions. Below we present the key features, technical specifications, and customer benefits.
Key Features & Advantages
- Corrosion Resistance: Titanium and SS316L wetted parts ensure compatibility with highly corrosive media (pH 1–12). Carbon steel is available for less aggressive fluids to reduce cost.
- Energy Efficiency: MVR technology consumes only 20–50 kWh per ton of water evaporated, versus 1.0–1.2 tons of steam for traditional evaporators. Typical energy savings of 50–70%.
- Compact Footprint: Modular design with vertical or horizontal configuration saves floor space and simplifies installation in existing plants.
- Fully Automatic Operation: PLC+HMI control system with remote monitoring capability. Automatic start-up, shutdown, and alarm functions reduce labor costs.
- Customizable Capacity: Evaporation rates from 50 L/h to 10,000 L/h. Multiple units can be combined for larger scales.
- Zero Discharge Ready: Designed for ZLD systems – final concentrated liquid can be further dried or crystallized, with clean condensate reused.
Technical Specifications
| Parameter | Value / Range |
|---|---|
| Material Options | Titanium (Grade 2), SS304, SS316L, Carbon Steel + lining |
| Evaporation Capacity | 50 – 10,000 L/h (custom) |
| Operating Temperature | 40–100°C (adjustable) |
| Motor Power | 7.5–250 kW (depending on capacity) |
| Compressor Type | Centrifugal / Roots / Screw (selected based on application) |
| Voltage & Frequency | 380V/50Hz, 440V/60Hz, 660V (custom) |
| Control System | PLC + HMI (Siemens or Mitsubishi) with remote access |
| Noise Level | ≤85 dB(A) at 1 meter |
Customer Benefits at a Glance:
- Lower operational costs – reduced steam and electricity consumption.
- Longer equipment lifespan – titanium and stainless steel resist pitting and stress corrosion cracking.
- Minimal maintenance – fewer moving parts and self-cleaning options available.
- Environmental compliance – helps meet discharge regulations and supports water reuse.
- Global support – Qingdao-based factory with fast spare parts delivery and technical service.
Trust is built on proven results. Since 2015, Qingdao Conqinphi Environmental Technology Group has delivered over 300 MVR evaporator systems to clients in North America, Europe, Southeast Asia, and beyond. Our annual export value exceeds US$10 million, and our factory employs 201–300 skilled staff, ensuring rigorous quality control. We hold multiple certifications including ISO9001, ISO14000, OHSAS18001, and industry-specific standards. Every evaporator undergoes a full performance test before shipment. Contact us today to discuss your corrosive wastewater treatment needs – we provide complete engineering, custom design, and after-sales support.
Frequently Asked Questions
A: MVR (Mechanical Vapor Recompression) uses a compressor to raise the pressure and temperature of secondary steam, which then condenses in the heat exchanger and releases latent heat. This process recycles heat, requiring only a fraction of the energy compared to traditional multi-effect or single-effect evaporators (which need live steam). MVR is ideal for large-capacity applications with energy cost savings of 50–70%.
A: The choice depends on the chemical composition, pH, temperature, and chloride content. Titanium is recommended for high-chloride environments and strong acids (e.g., HCl, H2SO4). Stainless steel 316L suits mild acidic/alkaline solutions. Carbon steel with lining is an economical option for neutral or low-corrosivity streams. We can help you select based on your specific water analysis.
A: Our standard designs cover 50 L/h to 10,000 L/h per single unit. For larger flows, we can combine multiple units in parallel. Custom configurations are also available – just provide your target evaporation rate and inlet/outlet conditions.
A: Typically 20–50 kWh per ton of water vaporized, depending on the temperature difference and compressor efficiency. Compared to steam-driven evaporators (consuming 1.0–1.2 tons of steam/ton water), the operational cost is significantly lower. For a 1,000 L/h unit running 8,000 hours per year, annual electricity savings can exceed US$100,000 depending on local utility rates.
A: The compressor and pump are the main components requiring scheduled maintenance (oil change, seal inspection). With proper corrosion-resistant materials and routine cleaning, the evaporator can last over 15 years. Our after-sales team provides remote diagnostics and on-site service if needed. Spare parts are stocked in Qingdao for quick delivery.
A: Yes. The MVR evaporator is a core component for ZLD systems. The concentrate can be further processed by a crystallizer or dryer, while the condensate is clean enough to be reused in the process or discharged. We can design a complete ZLD train including pretreatment, MVR, and crystallization.
A: Absolutely. Our standard control package includes a PLC (Siemens or Mitsubishi) and HMI touchscreen. Options for SCADA integration and cloud-based remote monitoring are available. The system can run unattended with alarms and automatic shutdown for safe operation.
A: Our company is certified with ISO9001 (Quality Management), ISO14000 (Environmental Management), OHSAS18001 (Occupational Health & Safety), and many others including HACCP, TL900, and SA8000. These certifications reflect our commitment to quality and continuous improvement. Specific product certifications can be provided upon request.
Note: All specifications are subject to customization. Please contact us with your project data for a tailored solution.
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