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Welcome to Qingdao Conqinphi Environmental Technology Group Co., Ltd. – a trusted manufacturer since 2015 with a 10,000-30,000 square meter factory and over 200 skilled employees. As an industry leader exporting US$10-50 million annually to global markets including North America, Europe, and Asia, we present our Long Tube Vertical Evaporator – a high-efficiency solution for concentration and evaporation in demanding industrial processes. Designed with advanced vertical tube technology, this evaporator delivers superior heat transfer, energy savings, and consistent product quality, backed by a comprehensive 1-year warranty and on-site installation training to ensure your team operates it with confidence from day one.
Product Overview
The Long Tube Vertical Evaporator (also known as a rising film or climbing film evaporator) is engineered for thermal separation of liquids with high fouling tendency or viscosity. Its vertical long tube design allows rapid liquid film formation, maximizing heat transfer coefficient while minimizing residence time. This makes it ideal for concentrating heat-sensitive materials, reducing energy consumption by up to 30% compared to conventional evaporators. Every unit is built from premium stainless steel (SS304 or SS316L), rigorously tested for performance and safety, and customizable to your specific capacity and process conditions.
Key Features & Technical Specifications
- Vertical Long Tube Design – Promotes efficient liquid distribution and climbing film evaporation, reducing scaling and improving heat transfer.
- High Thermal Efficiency – Utilizes latent heat of vaporization with minimal temperature differential, suitable for low-grade heat sources.
- Stainless Steel Construction – Corrosion-resistant materials (SS304/316L) ensure long service life and compliance with food/pharmaceutical hygiene standards.
- Flexible Heating Options – Available with steam heating (low/medium pressure) or electric heating; can be integrated with thermal fluid systems.
- PLC & Touch Screen Control – Automated operation for temperature, pressure, and liquid level, with data logging and alarm functions.
- Compact Footprint – Vertical arrangement saves floor space compared to horizontal or falling film designs.
- Easy Maintenance – Quick-access design for tube cleaning and inspection; modular construction allows future capacity expansion.
- Safety Features – Overpressure protection, emergency stop, and leak detection systems included as standard.
| Parameter | Value |
|---|---|
| Model Range | LTV-100 to LTV-10000 |
| Evaporation Capacity | 100 – 10,000 L/h (customizable) |
| Heating Medium | Steam (0.1-0.6 MPa) or Electric (12-120 kW) |
| Operating Temperature | 40°C – 120°C (adjustable) |
| Material of Construction | SS304 / SS316L (other alloys upon request) |
| Control System | PLC + HMI Touch Screen (Siemens or Allen-Bradley optional) |
| Power Supply | 380V/440V/220V, 3-phase, 50/60 Hz |
| Warranty | 1 Year (parts & labor) |
Detailed Benefits for Your Business
- Energy Savings – The vertical tube design reduces temperature difference requirements, allowing the use of waste heat or low-pressure steam, cutting energy costs by 20–30%.
- Product Quality Preservation – Short residence time and low operating temperatures minimize thermal degradation of heat-sensitive products such as fruit juices, enzymes, and pharmaceutical solutions.
- Scalability & Flexibility – Modular tube bundles enable easy capacity expansion; multiple-effect configuration available for higher thermal efficiency (MVR or TVR integration).
- Robust Construction – Welded by certified technicians with full penetration, tested via hydrostatic and radiographic inspection; complies with ASME or PED standards upon request.
- On-Site Installation Training – Our experienced engineers provide 3-5 days of hands-on training at your facility, covering operation, maintenance, troubleshooting, and safety procedures. This ensures a smooth commissioning process and maximizes uptime.
- Global Support – With annual export value exceeding US$10 million, we serve clients in over 50 countries. Spare parts are stocked in our Qingdao warehouse for rapid shipment.
Why Choose Qingdao Conqinphi?
Since our establishment in 2015, we have grown into a dedicated environmental technology group with a factory spanning 10,000–30,000 square meters and a team of 201–300 employees. Our products are certified under ISO9001, HACCP, OHSAS18001, and other international standards, reflecting our commitment to quality, food safety, and occupational health. We have exported over US$10 million worth of equipment annually to major markets including North America, Europe, Southeast Asia, Africa, and Oceania. Every evaporator we deliver undergoes rigorous performance testing and continuous improvement. Our 1-year warranty covers all manufacturing defects, and our after-sales team is available 24/7 for remote support. Contact us today to discuss your evaporation requirements – we will tailor a solution that optimizes your process and delivers measurable ROI.
Frequently Asked Questions (FAQ)
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Q: What industries is this Long Tube Vertical Evaporator suitable for?
A: It is widely used in chemical concentration (e.g., caustic soda, salt solutions), food processing (fruit juices, dairy, sugar), pharmaceutical extraction, and wastewater treatment where high fouling or heat-sensitive fluids are handled. -
Q: How does the on-site installation training work?
A: After delivery, our engineer will visit your site (travel and accommodation not included) for typically 3-5 days. Training covers system assembly, startup, operation parameters setting, routine maintenance, and emergency procedures. A user manual and video guide are also provided. -
Q: Can I customize the capacity or materials?
A: Absolutely. We offer customizable evaporation capacity from 100 L/h to 10,000 L/h, and can supply in SS304, SS316L, or other alloys (e.g., Duplex, Hastelloy) depending on your fluid corrosivity. Just let us know your process data. -
Q: What is the typical lead time?
A: Standard units are delivered within 30–45 days after order confirmation. Custom builds may take 50–60 days, depending on complexity and material availability. Please check with our sales team for your specific schedule. -
Q: Do you provide spare parts during the warranty period?
A: Yes, if a part fails due to manufacturing defect under normal use, we replace it free of charge (shipping included). Consumables like gaskets and seals are not covered but can be ordered at competitive prices. -
Q: How can I ensure the evaporator meets local safety standards?
A: Our equipment is built to international norms (ASME, PED, GB) as requested. We can supply certificates of compliance and assist with documentation for your local authority. Please specify your region when ordering. -
Q: What maintenance is required?
A: Regular inspection of tube cleanliness, seal condition, and control system calibration is recommended. Our training covers a preventive maintenance schedule. For severe scaling, a CIP (cleaning-in-place) system can be integrated as an option. -
Q: Is the evaporator energy-efficient?
A: Yes. The vertical long tube design allows operation with low ΔT, making it suitable for mechanical vapor recompression (MVR) or thermal vapor recompression (TVR) to further reduce energy consumption. Ask us about our energy-saving packages.
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