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As a leading manufacturer with nearly a decade of expertise, Qingdao Conqinphi Environmental Technology Group is proud to present our advanced Double Four-effect Evaporator. Engineered for maximum energy efficiency and reliable operation in demanding industrial environments, this system is designed to significantly reduce your operational costs while handling high-volume concentration tasks. We back the quality of our construction with a comprehensive Mill Test Report (MTR) for material traceability and ensure optimal performance with our professional Installation Service, providing a complete, worry-free solution from our factory to your site.
This evaporator is a cornerstone for sustainable industrial processes, offering exceptional thermal efficiency by reusing latent heat across multiple effects. Below are the core features and benefits that set our system apart:
- Superior Energy Efficiency: The four-effect design dramatically lowers steam consumption compared to single or double-effect units. Vapor from the first effect becomes the heating source for the second, and this process continues, maximizing heat recovery and minimizing energy input and utility costs.
- Robust and Corrosion-Resistant Construction: We use high-grade materials suitable for your specific feed. Common options include SS316L for corrosive chemical streams or food-grade finishes for sanitary applications. Every material batch is documented in the provided Mill Test Certificate.
- Fully Automated Operation: The system is integrated with a sophisticated PLC control panel featuring a user-friendly Human-Machine Interface (HMI). It allows for automatic control of parameters like temperature, pressure, level, and density, ensuring consistent product quality and reducing manual labor.
- Versatile Application Ready: Whether you are concentrating wastewater for ZLD (Zero Liquid Discharge), recovering valuable chemicals, or concentrating fruit juices and dairy products, this evaporator can be customized to meet your precise viscosity, fouling potential, and end-concentration requirements.
- Integrated Installation & Commissioning: Our service package includes expert supervision of installation, mechanical completion checks, cold and hot commissioning, and operator training. This ensures the system is started up correctly and performs to its designed specifications from day one.
To give you a clearer picture of the system's capabilities, here are some typical specifications and configuration options:
| Parameter | Specification / Option |
|---|---|
| Design Type | Double Four-Effect, Falling Film or Forced Circulation |
| Standard Material of Construction (Wetted Parts) | SS304 / SS316L Stainless Steel |
| Custom Material Options | Carbon Steel, Duplex Steel, Titanium, Nickel Alloys |
| Heat Transfer Area (Per Effect) | Customizable from 50 m² to 500 m²+ |
| Evaporation Capacity | From 1,000 kg/hr to 30,000 kg/hr water evaporation |
| Final Concentration Range | Up to 60-70% solids, depending on product nature |
| Control System | PLC (Siemens/Allen-Bradley) with Touchscreen HMI, SCADA ready |
| Key Auxiliaries | Condensers, Vacuum Systems, Pumps, CIP System (optional) |
The advantages of choosing our Double Four-effect Evaporator translate directly into operational benefits for your plant:
- Reduced Operating Expenses: Lower steam consumption leads to substantial savings on energy bills, often achieving Steam Economy (SE) values of 3.5 or higher, meaning over 3.5 kg of solvent is evaporated per kg of input steam.
- Enhanced Product Quality: Gentle evaporation under vacuum conditions prevents thermal degradation of heat-sensitive products, preserving flavors, nutrients, and active ingredients.
- Environmental Compliance: Effectively reduces wastewater volume, facilitating easier disposal or further treatment, and helps meet stringent environmental regulations.
- High Reliability & Low Maintenance: The robust design, coupled with high-quality components and clear material documentation (MTR), ensures long service life and minimal unscheduled downtime.
- Comprehensive Supplier Support: You are not just buying equipment; you are partnering with an experienced manufacturer. We provide design, manufacturing, documentation, installation, and after-sales support as a single point of contact.
Trust in Qingdao Conqinphi is built on a solid foundation. Operating from a 10,000-30,000 square meter facility with a skilled workforce of 201-300 professionals, we have established a robust manufacturing ecosystem. Our commitment to quality is reflected in a comprehensive suite of certifications governing our processes. With an annual export value ranging between US$10 Million and US$50 Million, our equipment serves clients across the globe, from North America and Europe to Southeast Asia and Africa. This vast experience is embedded in every evaporator we build. We invite you to leverage our expertise for your next project. Contact us today to discuss your concentration needs and receive a detailed proposal, complete with performance guarantees and a clear service plan.
Frequently Asked Questions (FAQ)
Q1: What exactly is a "Double" Four-effect evaporator?
A: A "Double" configuration typically refers to a system with two parallel four-effect lines, often sharing common auxiliaries like vacuum systems. This design offers increased capacity, redundancy (if one line is down for maintenance), and flexibility to process two different feed streams simultaneously.
Q2: Why is the Mill Test Report (MTR) important?
A: The MTR is a crucial quality document from the material mill. It certifies the chemical composition and mechanical properties (like tensile strength) of the metal plates, pipes, and fittings used in construction. It provides traceability, ensures the material meets the specified grade (e.g., ASTM A240 for SS316L), and is essential for validation in regulated industries like pharmaceuticals.
Q3: What industries commonly use this type of evaporator?
A: It is widely used in wastewater treatment for ZLD, chemical plants for solvent recovery and brine concentration, food & beverage for juice and milk concentration, pharmaceutical for antibiotic recovery, and pulp & paper for black liquor evaporation.
Q4: How do you determine the required heat transfer area and number of effects for my application?
A: This is based on a detailed process design. We require parameters like feed flow rate, inlet/desired outlet concentration, feed temperature, product characteristics (fouling, scaling, foaming), and available utilities (steam pressure, cooling water temperature). Our engineering team performs mass and energy balance calculations to propose the optimal configuration.
Q5: Is the installation service mandatory, and what does it include?
A: While not mandatory, it is highly recommended for optimal performance. Our service typically includes pre-installation planning, supervision of foundation and piping work, mechanical erection guidance, alignment checks, pre-commissioning (hydro-test, leak test), hot commissioning with actual feed, performance testing, and comprehensive training for your operators and maintenance staff.
Q6: Can the evaporator handle corrosive or fouling liquids?
A: Yes. Material selection is key. For corrosive streams, we recommend higher alloys like duplex steel or titanium. For fouling liquids, we can design with forced circulation instead of falling film, incorporate a CIP (Clean-in-Place) system, and design for easy access for mechanical cleaning.
Q7: What is the typical lead time for such a system?
A: Lead time depends on the size, material, and complexity. For a standard stainless steel system, lead time typically ranges from 20 to 30 weeks from order confirmation to ex-works readiness, including engineering, procurement, fabrication, and testing.
Q8: Do you offer performance guarantees?
A: Yes, we offer key performance guarantees subject to agreed-upon feed conditions. These commonly include guaranteed evaporation capacity, final product concentration, steam consumption (Steam Economy), and condensate quality. These are validated during the final performance test at our factory or your site.
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