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As a leading manufacturer in environmental technology, Qingdao Conqinphi Environmental Technology Group is dedicated to providing advanced solutions for industrial wastewater challenges. Our Low Temperature Vacuum Evaporation Concentrator represents a significant leap in oily wastewater management, designed to efficiently separate and recover valuable resources while minimizing environmental impact. With over eight years of expertise since our establishment in 2015, we engineer systems that deliver reliable performance, operational cost savings, and compliance with stringent environmental standards. This technology is a cornerstone for industries seeking sustainable and economically viable wastewater treatment.
This concentrator utilizes the principle of vacuum evaporation at reduced temperatures, which is particularly effective for treating complex oily wastewater streams that are difficult to handle with conventional methods. The core process involves heating the wastewater under a vacuum, which significantly lowers the boiling point of water. This allows for evaporation and separation at much lower temperatures, typically between 30°C and 70°C, preserving heat-sensitive components and reducing energy consumption. The system is engineered to handle a wide range of oil-in-water emulsions, cutting fluids, coolants, and other industrial oily wastes.
Key Technical Features and Advantages:
- High-Efficiency Separation: Achieves superior oil-water separation and concentration ratios, significantly reducing the volume of hazardous waste for disposal.
- Low Energy Operation: The vacuum-assisted low-temperature process drastically cuts thermal energy requirements compared to traditional evaporators.
- Corrosion-Resistant Construction: Critical components are fabricated from high-grade materials like 316L stainless steel or titanium, ensuring long service life when handling aggressive wastewater.
- Automated PLC Control: Features a fully automated control system for precise operation, monitoring, and data logging, reducing manual intervention and improving consistency.
- Compact & Skid-Mounted Design: Pre-assembled modules facilitate easier installation, reduce on-site construction time, and allow for flexibility in plant layout.
- Water Recovery: Produces high-quality distillate water that can often be reused within the facility for non-critical processes, contributing to water conservation goals.
Technical Specifications Overview:
| Parameter | Typical Range / Description |
| Treatment Capacity | Customizable from 1 to 100 tons per day |
| Operating Pressure | Vacuum range (e.g., -0.08 to -0.095 MPa) |
| Evaporation Temperature | 30°C - 70°C (adjustable based on feed) |
| Concentration Ratio | Can achieve over 95% volume reduction |
| Power Supply | 380V/50Hz/3Phase or customizable |
| Control System | PLC with touchscreen HMI |
The benefits for our clients are substantial. By implementing this system, facilities can transform a costly waste liability into a manageable resource stream. The dramatic reduction in waste volume leads to lower hauling and disposal costs. The recovery of clean water reduces freshwater intake and associated costs. Furthermore, the system's robust design and automated controls ensure stable operation with minimal downtime, contributing to overall plant productivity and sustainability reporting.
Backed by our substantial manufacturing capabilities from a 10,000-30,000 square meter facility and a dedicated team of 201-300 professionals, Qingdao Conqinphi delivers not just equipment, but reliable, high-performance solutions. Our products reach diverse global markets, from North America and Western Europe to Southeast Asia and Africa, a testament to their adaptability and quality. We encourage you to contact us to discuss how this Low Temperature Vacuum Evaporation Concentrator can be tailored to address your specific oily wastewater challenges, helping you achieve operational efficiency and environmental stewardship.
Frequently Asked Questions (FAQ)
Q1: What types of oily wastewater are suitable for this concentrator?
A1: This system is designed to handle a variety of oily wastewater streams, including but not limited to metalworking coolants, rolling oil wastewater, machining emulsions, parts washing wastewater, and certain refinery or petrochemical effluents. A sample analysis is recommended for specific feasibility.
Q2: How does the low-temperature vacuum process save energy?
A2: By operating under a vacuum, the boiling point of water is lowered. This means evaporation occurs at temperatures far below 100°C, significantly reducing the amount of thermal energy (heating) required compared to atmospheric or high-temperature evaporators.
Q3: What is the quality of the recovered water?
A3: The distillate produced is typically of high purity, with very low levels of oils, salts, and other contaminants. It is often suitable for reuse as cooling tower makeup, equipment wash water, or other non-potable applications, subject to final water quality testing.
Q4: Is the system fully automated?
A4: Yes, the standard configuration includes a Programmable Logic Controller (PLC) and a Human-Machine Interface (HMI) for automatic control of the evaporation cycle, pumping, alarms, and data recording, requiring minimal operator attention.
Q5: What are the main maintenance requirements?
A5: Routine maintenance typically involves periodic cleaning of heat exchange surfaces, inspection of pumps and seals, and calibration of sensors. The automated system often includes cleaning-in-place (CIP) functions to simplify maintenance.
Q6: Can the system handle wastewater with high salt content?
A6: While effective for oily wastewater, high concentrations of dissolved salts can lead to scaling. The system design can include anti-scaling measures, and pretreatment options may be recommended based on your water analysis.
Q7: How is the concentrated waste (brine/sludge) handled?
A7: The system outputs a highly concentrated slurry or sludge. This reduced-volume waste is typically collected in drums or tanks for off-site disposal or further treatment, such as solidification or incineration, at a much lower cost than the original wastewater.
Q8: Do you provide installation and commissioning support?
A8: We offer comprehensive technical support. Our services can include detailed installation guidance, remote or on-site commissioning, and operator training to ensure a smooth startup and optimal system performance.
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