PLC Controlled Industrial High-Salt Wastewater Treatment Plant for 100m3/h Capacity
Product Spotlights
As a leading manufacturer from Qingdao Conqinphi Environmental Technology Group Co., Ltd. (established 2015, factory area 10,000-30,000 sqm, over 200 employees), we present our PLC Controlled Industrial High-Salt Wastewater Treatment Plant designed for 100 m³/h capacity. This system integrates advanced PLC automation with robust multi-stage treatment to efficiently handle brine streams from chemical, pharmaceutical, textile, and desalination industries. Our solution ensures reliable compliance with discharge standards while minimizing operational costs.
The plant features real-time monitoring, remote control, and intelligent alarm functions, reducing labor requirements and human error. With energy-efficient evaporation/crystallization modules and customizable pre-treatment, it achieves high recovery rates and near-zero liquid discharge (ZLD) potential. Below we detail the key features, technical specifications, and benefits.
Key Features & Technical Advantages
- PLC & HMI Control: Siemens or equivalent PLC with intuitive HMI touch screen – automatic operation, data logging, and remote alarm. Parameter adjustments via password-protected interface.
- Multi-stage Treatment Process: Pre-filtration (sand filter, cartridge filter) → pH adjustment → high-pressure RO or evaporation (MVR/ME) → crystallization. Customizable based on inlet water quality.
- Robust Construction: Main tank and piping in corrosion-resistant materials (FRP, SS316L, or lined carbon steel) to withstand high salinity and aggressive chemicals.
- Energy Saving Design: Mechanical vapor recompression (MVR) option reduces steam consumption by up to 60% compared to traditional evaporation.
- Compact Skid-Mounted Option: Pre-assembled modules for easy installation and minimal site work. Available for quick deployment.
- Comprehensive Safety Systems: Emergency stop, overpressure protection, leak detection, and automatic shutdown in fault conditions.
Technical Specifications (Reference)
| Parameter | Value |
|---|---|
| Treatment capacity | 100 m³/h (adjustable to 50-150 m³/h) |
| Inlet TDS range | 2,000 – 80,000 mg/L (customizable) |
| Outlet quality | ≤ 500 mg/L TDS (meet discharge standard) or zero liquid discharge |
| Power consumption | ~0.8-1.2 kWh/m³ (excluding evaporation) |
| Operating temperature | 5°C – 45°C |
| Control system | PLC (Siemens S7-1200 or Mitsubishi) + 10-inch HMI |
| Communication | Modbus, Ethernet, optional SCADA integration |
Customer Benefits
- Reduced Operation Cost: Automated control minimizes manual intervention and optimizes chemical dosing and energy use.
- High Reliability: Over 10 years of expertise in wastewater treatment ensures robust design and long service life.
- Regulatory Compliance: Effluent meets local or international discharge standards (customizable to specific requirements).
- Fast Delivery & Support: Factory capacity up to 30,000 sqm allows parallel production; shipment from Qingdao port globally.
- Scalability: Modular design enables capacity expansion or additional treatment stages as needed.
Why Choose Qingdao Conqinphi?
Our company, founded in 2015, has grown to a team of 201-300 professionals with an annual export value of US$10-50 million. We serve markets across North America, South America, Europe, Africa, and Asia. Our products have passed rigorous quality management certifications including ISO9001, ISO14000, OHSAS18001, HACCP, SA8000 (and others), reflecting our commitment to quality, environment, and social responsibility. With a dedicated R&D team and after-sales service network, we provide customized solutions tailored to your specific wastewater characteristics. We invite you to contact us for a detailed proposal or on-site trial – your satisfaction is our priority.
Frequently Asked Questions
-
Q: What is the typical treatment process for high-salt wastewater?
A: The process usually includes pre-filtration, pH adjustment, primary concentration (e.g., reverse osmosis or electrodialysis), then evaporation (MVR or multi-effect) and crystallization to separate salt. We design based on your water analysis. -
Q: Can this plant achieve zero liquid discharge (ZLD)?
A: Yes, our system can be configured for ZLD by adding a crystallizer and solid-liquid separation. The final solid salt can be reused or disposed safely. -
Q: What is the power consumption per cubic meter?
A: It depends on the process. For RO-based concentration, ~0.5-1 kWh/m³; for evaporation, ~30-60 kWh/m³ of distillate. Total consumption varies. We provide detailed energy estimates in the proposal. -
Q: How long does it take to install and commission?
A: For a skid-mounted unit, installation can be completed within 2-4 weeks; larger civil-built plants may take 2-3 months depending on site conditions. -
Q: What materials are used in contact with high-salt brine?
A: Standard is carbon steel with epoxy lining or stainless steel 316L for critical parts. For extreme corrosion, we offer super duplex or plastic (FRP/PVC) options. -
Q: Do you provide after-sales service and spare parts?
A: Yes, we offer 12-month warranty, remote technical support, and fast spare parts dispatch. On-site training is available upon request. -
Q: Can the PLC system be integrated with existing plant SCADA?
A: Yes, our PLC supports Modbus RTU/TCP, Profinet, and other protocols. We can customize communication to match your system. -
Q: What certifications does the plant comply with?
A: Our manufacturing is ISO9001, ISO14000, and OHSAS18001 certified. The plant can be designed to meet specific regional standards (e.g., EU, US EPA, Chinese GB). Please advise your requirements.
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