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Qingdao Conqinphi Environmental Technology Group Co., Ltd. proudly presents our Wastewater Evaporation System for Electroplating Factory Heavy Metal Removal with a capacity of 500 L/Day, constructed from 304 Stainless Steel. As a manufacturer with over 200 employees and a factory spanning 10,000-30,000 square meters, we have dedicated years to perfecting this solution for the electroplating industry. This system efficiently concentrates and separates heavy metals from wastewater, reducing disposal volume and enabling water reuse. Our technology is designed to meet stringent environmental standards while minimizing operational costs.
The system leverages advanced evaporation principles to treat wastewater containing heavy metals such as chromium, nickel, copper, and zinc. It is an ideal choice for electroplating factories seeking to comply with discharge regulations and achieve zero liquid discharge (ZLD) goals. Below, we detail the key features, technical specifications, and benefits.
Key Features & Advantages
- High Efficiency Evaporation: Utilizes a forced circulation or falling film evaporator design to achieve up to 95% water recovery, significantly reducing the volume of hazardous waste.
- 304 Stainless Steel Construction: Corrosion-resistant material ensures long service life even in aggressive chemical environments, typical of electroplating wastewater.
- PLC Automatic Control: Touch-screen interface with programmable logic controller allows for unattended operation, real-time monitoring, and data logging.
- Energy Saving Design: Optional heat pump or mechanical vapor recompression (MVR) technology can reduce energy consumption by up to 60% compared to traditional thermal evaporators.
- Compact Footprint: Skid-mounted design saves floor space and simplifies installation – just connect power, inlet, and outlet.
- Customizable Capacity: While standard is 500 L/Day, we can design systems from 100 L/Day to 10,000 L/Day based on client requirements.
- Multi-stage Filtration Pre-treatment: Integrated pre-filter and pH adjustment tank protect the evaporator from scaling and fouling.
Technical Specifications
| Parameter | Value |
| Model | CQ-EVAP-500 |
| Evaporation Capacity | 500 L/Day (at 20°C ambient) |
| Material of Construction | 304 Stainless Steel (tank, pipes, heat exchanger) |
| Heating Method | Electric heating (standard) / Steam or MVR (optional) |
| Power Consumption | ~15 kW (electric version) |
| Operating Temperature | 70–90°C (adjustable) |
| Inlet TDS | Up to 100,000 mg/L |
| Outlet Concentrate | Slurry or solid (depending on salt content) |
| Control System | PLC + HMI touch screen with remote monitoring option |
| Dimensions (L×W×H) | 2.5m × 1.5m × 2.0m (approx.) |
Benefits for Electroplating Factories
- Regulatory Compliance: Helps meet local and international discharge standards for heavy metals, avoiding fines and penalties.
- Water Reuse: Recovered distillate can be returned to the plating process, reducing fresh water consumption by up to 90%.
- Waste Minimization: Volume reduction of hazardous waste by 90–95%, lowering disposal costs and liability.
- Low Maintenance: Self-cleaning design with anti-scaling features minimizes downtime.
- Scalable & Modular: Multiple units can be combined for higher capacity; easily integrated into existing treatment lines.
- Safe Operation: Automatic shutdown alarms for high temperature, pressure, and low flow protect equipment and operators.
At Qingdao Conqinphi Environmental Technology, we have been manufacturing environmental equipment since 2015. Our factory is certified with ISO9001, ISO14001, and OHSAS18001, ensuring quality management and environmental responsibility. With an annual export value of US$10–50 million, we serve markets across North America, South America, Europe, Southeast Asia, and more. Our team of experienced engineers provides full technical support, from site survey to installation and commissioning.
We understand that each electroplating facility has unique wastewater characteristics. Therefore, we offer customized solutions including pH adjustment, chemical dosing, and pre-filtration tailored to your specific metal profiles. Contact us today for a free consultation and quotation. Let us help you achieve zero liquid discharge and sustainable production.
Frequently Asked Questions
Q1: What types of heavy metals can this system remove?
A: The system effectively concentrates and removes a wide range of heavy metals including chromium (Cr), nickel (Ni), copper (Cu), zinc (Zn), cadmium (Cd), and lead (Pb). The distillate is virtually free of metals, while the concentrate can be further processed for metal recovery.
Q2: What is the typical energy consumption per liter of wastewater treated?
A: For the electric version, energy consumption is approximately 30–50 kWh per 1000 liters treated, depending on inlet temperature and concentration. With optional MVR technology, it can be reduced to 10–20 kWh per 1000 liters.
Q3: Can the system handle wastewater with high suspended solids or oils?
A: We recommend pre-treatment to remove suspended solids and oils before evaporation. Our system includes an optional pre-filter and oil skimmer to protect the evaporator. For heavily contaminated streams, a multi-stage pre-treatment package is available.
Q4: How long does the 304 SS material last in acidic conditions?
A: 304 stainless steel offers good resistance to many acidic environments, but for highly corrosive conditions (e.g., pH below 3), we recommend upgrading to 316L stainless steel or using a plastic-lined evaporator. Our team can advise based on your wastewater analysis.
Q5: Is the system fully automatic? Do I need an operator?
A: Yes, the system is fully automatic with PLC control. It can run unattended for extended periods. However, routine maintenance (e.g., cleaning the heat exchanger) may require attention every few weeks. Remote monitoring via SCADA is optional.
Q6: What is the warranty period?
A: We offer a standard 12-month warranty from the date of shipment, covering manufacturing defects. Extended warranty options are available upon request.
Q7: How long does it take to install and commission?
A: Installation typically takes 3–5 days, and commissioning (including training) another 2–3 days. Our engineers can supervise on-site or provide remote guidance. We also provide comprehensive operation manuals.
Q8: Can I get a sample or pilot test before purchasing?
A: Yes, we offer a pilot rental program. You can test a small-scale unit (e.g., 100 L/Day) with your actual wastewater for a period of 2–4 weeks. The rental fee can be credited toward a full purchase.
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