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Qingdao Conqinphi Environmental Technology Group Co., Ltd., established in 2015, is a professional manufacturer with a factory area of 10,000–30,000 square meters and 201–300 employees. Our Biogas Slurry Triple-Effect Vacuum Concentration Equipment is designed to efficiently reduce the volume of liquid waste from anaerobic digestion, turning challenging by-products into manageable, concentrated resources. This advanced system combines triple-effect evaporation with vacuum technology to achieve high concentration ratios while minimizing energy consumption, making it a reliable solution for waste treatment plants, biogas plants, and agricultural facilities.
The equipment operates under low-temperature vacuum conditions, which prevents thermal degradation of valuable nutrients in the biogas slurry. With a triple-effect design, it reuses latent heat from vapor, reducing steam consumption by up to 50% compared to single-effect systems. This not only lowers operational costs but also supports sustainable waste management practices.
Key Features & Advantages
- Triple-Effect Evaporation: Maximizes heat recovery, achieving thermal efficiency of over 90%.
- Vacuum Operation: Reduces boiling point, enabling gentle concentration of heat-sensitive components.
- High Concentration Ratio: Can concentrate slurry from 3–5% solid content to 30–40% or higher, depending on material characteristics.
- Corrosion-Resistant Materials: Constructed from SS304 or SS316L to withstand aggressive chemicals present in biogas slurry.
- Automated Control: PLC with touch screen interface allows real-time monitoring of temperature, vacuum, and flow rate.
- Energy Saving: Uses vapor recompression and multi-effect design, reducing overall energy consumption by 40–60%.
- Low Fouling Design: Special anti-fouling evaporator tubes and CIP cleaning system ensure long-term stable operation.
- Compact Footprint: Modular skid-mounted design for easy installation and integration into existing treatment lines.
Technical Specifications (Typical Model - CQV-3000)
| Parameter | Value |
|---|---|
| Processing Capacity | 3000 L/h (evaporation rate) |
| Number of Effects | 3 |
| Evaporation Temperature | First effect: 75°C, Second: 65°C, Third: 55°C |
| Vacuum Degree | First effect: -0.08 MPa, Third effect: -0.095 MPa |
| Steam Consumption | Approximately 0.4 kg steam per kg water evaporated |
| Power Supply | 380V/50Hz, 3-phase (customizable) |
| Overall Dimensions (L×W×H) | 9000×3000×4500 mm (approx.) |
Detailed Benefits for Customers
- Reduced Waste Volume: Concentrating biogas slurry minimizes transportation and disposal costs – up to 80% volume reduction.
- Nutrient Recovery: The concentrated liquid retains nitrogen, phosphorus, and potassium, which can be used as a high-quality liquid fertilizer.
- Lower Operating Costs: Triple-effect design cuts steam usage, and automated controls reduce labor requirements.
- Environmental Compliance: Helps meet discharge or reuse standards by reducing organic load and pathogens.
- Adaptability: Suitable for various feedstocks – pig slurry, cow manure, food waste digestate, and landfill leachate.
- Long Service Life: Robust construction with stainless steel and anti-corrosion coatings ensures durability even under harsh conditions.
Trust & Assurance
As a manufacturer with over US$10 million annual export value and a 10,000+ m² factory, Qingdao Conqinphi Environmental Technology Group Co., Ltd. has supplied waste treatment equipment to markets across North America, Europe, Asia, and Africa. Our products are certified under multiple quality standards including ISO9001, ISO14000, OHSAS18001, among others (details available upon request). Each system undergoes rigorous factory testing before shipment, and we provide full installation guidance and after-sales support. With a dedicated team of engineers and a comprehensive spare parts inventory, we ensure that your investment delivers reliable performance for years.
Choose our Biogas Slurry Triple-Effect Vacuum Concentration Equipment to transform your waste treatment challenges into profitable opportunities. Contact us today for a customized solution tailored to your specific slurry characteristics and capacity requirements.
Frequently Asked Questions (FAQ)
Q1: What type of waste can this equipment handle?
A: It is primarily designed for biogas slurry from anaerobic digesters, but can also treat landfill leachate, livestock wastewater, and other industrial effluents with moderate solids content (up to 10% total solids).
Q2: How much floor space is required?
A: The footprint depends on capacity. For a typical 3000 L/h model, approximately 9m × 3m area is needed, plus space for ancillary equipment. Our engineers will provide a detailed layout drawing during project design.
Q3: Is the system fully automatic?
A: Yes, the standard configuration includes PLC control with touch screen, enabling automatic start/stop, parameter adjustment, and alarm notification. Manual override is also available for maintenance.
Q4: What is the typical concentration ratio achievable?
A: For biogas slurry with 3–5% solids, we can concentrate to 30–40% solids. Higher ratios (up to 50%) are possible with certain feedstocks, but may require additional dewatering steps.
Q5: How do you prevent fouling and scaling?
A: We use specialized tube geometry, periodic reverse flow, and a clean-in-place (CIP) system. The low evaporation temperature also reduces scale formation. For severe scaling tendencies, optional anti-fouling coatings are available.
Q6: What kind of after-sales support do you provide?
A: We offer installation supervision, commissioning, operator training, and a one-year warranty on major components. Remote technical support is available 24/7, and we stock common spare parts for rapid delivery.
Q7: Can the equipment be customized for specific site conditions?
A: Absolutely. The capacity, material of construction, control system, and layout can be tailored. We also offer options such as heat pump integration, vapor absorption, or energy recovery systems based on your utility availability.
Q8: What certifications does the equipment comply with?
A: Our company holds ISO9001, ISO14000, OHSAS18001 and other certifications (full list available on request). The equipment can be designed to meet ASME, CE, or local standards as needed.
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