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As a leading manufacturer from Qingdao Conqinphi Environmental Technology Group Co., Ltd., we proudly present our PLC-Controlled Zero Liquid Discharge (ZLD) System for industrial wastewater, constructed from durable 304 stainless steel and operating at 380V. This system is engineered to completely eliminate liquid waste discharge, recovering valuable water and minimizing environmental impact. With over a decade of experience since 2015 and a factory spanning 10,000–30,000 square meters, we combine advanced automation with robust design to deliver reliable, cost-effective wastewater treatment solutions for global industries.
Our ZLD system integrates PLC controls for precise monitoring and automation, ensuring consistent performance even under fluctuating load conditions. The use of 304SS guarantees corrosion resistance and long service life in harsh industrial environments. Whether you are in chemical processing, electroplating, pharmaceuticals, or textile manufacturing, this system can be tailored to meet your specific wastewater composition and volume requirements.
Key Features & Technical Specifications
- PLC-Based Automation: Fully programmable logic controller for automatic operation, remote monitoring, and data logging. Reduces manual intervention and human error.
- High-Efficiency Evaporation & Crystallization: Multi-effect evaporation or mechanical vapor recompression (MVR) technology options available, achieving up to 95% water recovery.
- 304 Stainless Steel Construction: All wetted parts are made of 304SS, resistant to corrosion and suitable for a wide range of wastewater pH levels.
- 380V Power Supply: Standard three-phase power, with optional voltage configurations (customizable upon request).
- Zero Liquid Discharge Compliance: Meets strict environmental regulations; no wastewater is discharged to sewers or surface water.
- Modular & Compact Design: Skid-mounted for easy installation and minimal footprint. Can be expanded for higher capacity.
- Energy Saving: Optional heat recovery and energy-efficient pumps reduce operating costs.
| Parameter | Specification |
|---|---|
| Material | 304 Stainless Steel |
| Control System | Siemens/Allen-Bradley PLC (optional) |
| Power Supply | 380V, 50Hz/60Hz, Three Phase |
| Treatment Capacity | 100 – 10,000 L/day (customizable) |
| Recovery Rate | ≥ 95% (depending on wastewater characteristics) |
| Discharge Quality | Zero liquid discharge (solid waste only) |
| Operating Temperature | Up to 120°C (depends on process) |
| Certification | ISO9001, ISO14001, OHSAS18001, etc. |
Advantages for Your Business
- Regulatory Compliance: Meet local and international discharge standards without fines or penalties.
- Water Reuse: Recovered water can be recycled back into production, reducing fresh water consumption by up to 95%.
- Reduced Operational Costs: Lower effluent disposal fees and energy savings through intelligent control.
- Minimal Maintenance: 304SS construction resists scaling and corrosion, extending equipment lifespan.
- Scalable & Flexible: Modular design allows easy capacity expansion or integration with existing treatment systems.
Our PLC-Controlled ZLD System is suitable for a wide range of industries including chemical, petrochemical, pharmaceutical, food processing, textile, electroplating, and mining. Each system is pre-configured and tested in our Qingdao factory before shipment, ensuring trouble-free startup on-site.
Why Choose Qingdao Conqinphi Environmental Technology Group?
Since our establishment in 2015, we have grown into a professional manufacturer with a 10,000–30,000 square meter factory and a dedicated team of 201–300 employees. Our annual export value exceeds US$10 million – US$50 million, serving clients across North America, South America, Europe, Asia, Africa, Oceania, and the Middle East. We ship from the port of Qingdao, ensuring fast and reliable logistics. Our products are certified under multiple international standards including ISO9001, ISO14001, OHSAS18001, and others, reflecting our commitment to quality and safety.
We understand that every wastewater stream is unique. That’s why we offer customized solutions – from lab-scale pilot testing to full-scale industrial systems. Our experienced engineers provide technical support, installation guidance, and after-sales service to ensure your system operates at peak efficiency.
Take the first step toward sustainable wastewater management. Contact us today for a free consultation and proposal. Let us help you achieve zero liquid discharge while reducing your environmental footprint and operational costs.
FAQ – Frequently Asked Questions
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Q: What types of industrial wastewater can this ZLD system treat?
A: Our system is designed to handle a wide variety of wastewater streams, including those from chemical processing, electroplating, printing and dyeing, pharmaceuticals, and food production. The optimal configuration depends on the specific contaminants and concentration levels. We recommend a wastewater analysis for customized design. -
Q: How much water can be recovered?
A: Under typical conditions, the system achieves a water recovery rate of over 95%. The exact recovery depends on the wastewater composition, temperature, and the chosen evaporation technology (e.g., MVR vs. multi-effect). -
Q: Is the system fully automatic? Can I monitor it remotely?
A: Yes, the PLC controller enables fully automatic operation, including start/stop, alarm management, and process control. Remote monitoring via SCADA or touchscreen HMI is available as an option. Data logging and trend analysis can be included. -
Q: What is the typical lifespan of the equipment?
A: With proper maintenance, the 304SS construction ensures a long service life – typically 15–20 years. Regular cleaning of heat exchanger surfaces and periodic inspection of pumps and valves are recommended. -
Q: Do you offer installation and commissioning services?
A: Yes, we provide on-site installation supervision and commissioning support. Our engineers can also train your operators. For international clients, we can arrange remote guidance or send a technician upon request (travel expenses apply). -
Q: Can the system be customized for different voltage or frequency?
A: Absolutely. While the standard is 380V/50Hz, we can adapt the electrical components to match your local power supply (e.g., 220V, 415V, 60Hz). Please specify your requirements when inquiring. -
Q: What is the solid waste output? How is it handled?
A: The solid waste (often in the form of salts or mixed crystals) is collected in a designated container. The volume depends on the initial dissolved solids concentration. The dry solids can be disposed of as hazardous waste or further processed for potential reuse, depending on their composition. -
Q: What certifications does the product have?
A: Our factory holds multiple certifications including ISO9001, ISO14001, OHSAS18001, and others. Specific product certifications (e.g., CE, ATEX) can be provided upon request for an additional fee. We comply with international quality and safety standards.
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