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As a leading manufacturer in environmental technology, Qingdao Conqinphi Environmental Technology Group is proud to present our advanced Energy-Efficient Double-effect MVR Evaporator with Heat Recovery, engineered specifically for the demanding needs of the food processing industry. With a factory spanning over 10,000 square meters and a dedicated team of 201-300 professionals, we combine robust manufacturing capabilities with innovative design to deliver evaporation solutions that significantly reduce operational costs and environmental impact. This system is a testament to our commitment to quality, evidenced by our adherence to standards like ISO9001, and is designed to help food processors achieve higher concentration ratios with unparalleled energy savings.
Our Double-effect MVR Evaporator is a sophisticated piece of equipment that redefines efficiency in liquid concentration. By integrating Mechanical Vapor Recompression (MVR) technology with a double-effect (or multi-effect) configuration and a dedicated heat recovery unit, it maximizes thermal efficiency. The core principle involves compressing the vapor generated from the boiling process, raising its temperature and pressure, and then recycling it as the primary heating medium for the evaporator. This closed-loop system drastically reduces, and in many cases eliminates, the need for an external steam boiler, leading to substantial energy conservation.
Key Technical Features and Advantages:
- Superior Energy Efficiency: The synergy of MVR and double-effect evaporation, coupled with heat recovery, can achieve specific steam consumption as low as 0.1-0.2 tons per ton of water evaporated, representing energy savings of up to 90% compared to traditional single-effect evaporators.
- Dual-Effect Design: The system operates with two evaporation effects in series. The vapor from the first effect serves as the heat source for the second, effectively doubling the capacity and efficiency without doubling the energy input.
- Integrated Heat Recovery: A dedicated plate or shell-and-tube heat exchanger captures waste heat from various process streams (e.g., condensate, product cool-down) and pre-heats the incoming feed, further minimizing primary energy demand.
- Precise Process Control: The system is typically equipped with a Programmable Logic Controller (PLC) and a touch-screen Human-Machine Interface (HMI) for automatic operation. Parameters like temperature, pressure, flow rate, and concentration are continuously monitored and adjusted for optimal performance.
- Hygienic Construction: All wetted parts in contact with the food product are constructed from food-grade stainless steel (SS304 or SS316L), ensuring compliance with hygiene standards and preventing contamination.
- Compact & Modular Design: Our engineering allows for a relatively compact footprint compared to traditional multi-effect systems, and the modular design facilitates easier installation, maintenance, and potential future capacity expansion.
Technical Specifications Overview:
The following table outlines some key customizable parameters for our standard model range. Exact specifications are engineered based on client requirements.
| Parameter | Specification / Range |
|---|---|
| Evaporation Capacity | 500 - 20,000 kg/h (water evaporation) |
| Final Product Concentration | Up to 60-70% Total Solids (TS) or higher, depending on product viscosity |
| Heat Transfer Area | Customized per effect |
| Material of Construction (Wetted Parts) | SS304 / SS316L (Standard) |
| Power Supply | 380V/50Hz/3Ph or customizable (e.g., 440V/60Hz) |
| Control System | PLC with HMI, optional SCADA integration |
| Overall Dimensions (LxWxH) | Customized based on capacity |
Benefits for Your Food Processing Operation:
- Drastic Reduction in Operating Costs: The primary benefit is the dramatic decrease in energy consumption, which directly translates to lower utility bills and a faster return on investment.
- Enhanced Product Quality: Gentle evaporation under vacuum conditions and precise temperature control help preserve the natural color, flavor, aroma, and nutritional value of heat-sensitive food products like fruit juices, dairy, and protein extracts.
- Environmental Sustainability: By slashing fossil fuel consumption and steam generation, the system significantly reduces your plant's carbon footprint and supports corporate sustainability goals.
- Operational Reliability & Automation: High-level automation reduces manual intervention, minimizes human error, and ensures consistent product output 24/7. The robust design ensures long-term, reliable operation.
- Waste Minimization: Efficient concentration reduces the volume of liquid waste for disposal, and the high-purity condensate produced can often be recycled within the plant as hot water, contributing to a circular economy approach.
Trust in Qingdao Conqinphi is built on a solid foundation. Established in 2015, we have grown into a significant exporter, with an annual export value reaching up to US$50 million, serving diverse markets from North America and Europe to Southeast Asia and Africa. Our comprehensive quality management system, certified under ISO9001, and our commitment to social responsibility standards like SA8000, ensure that every MVR Evaporator we produce meets the highest standards of performance and reliability. Located at the major port of Qingdao, we ensure efficient logistics and timely delivery. For food processors seeking to modernize their concentration process, cut costs, and improve sustainability, our Energy-Efficient Double-effect MVR Evaporator with Heat Recovery is the intelligent choice. Contact our technical sales team today for a detailed consultation and a customized solution tailored to your specific application.
Frequently Asked Questions (FAQ):
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Q: What types of food products is this MVR evaporator suitable for?
A: It is highly versatile and suitable for concentrating a wide range of food liquids, including but not limited to fruit and vegetable juices, dairy products (milk, whey), sugar solutions, tea extracts, starch hydrolysates, and protein solutions. The gentle evaporation process is ideal for heat-sensitive materials. -
Q: How does the "double-effect" feature improve efficiency compared to a single-effect MVR?
A: A double-effect system uses the vapor produced in the first evaporation chamber to heat the second chamber. This re-use of latent heat means you effectively get twice the evaporation capacity from a similar energy input to the compressor, making it significantly more efficient than a single-effect unit. -
Q: What is the typical payback period for investing in this energy-efficient system?
A: The payback period varies based on local energy costs, operating hours, and the system being replaced. Typically, due to the massive energy savings (often 70-90%), the investment can be recovered within 1 to 3 years through reduced utility expenses. -
Q: Can this system handle viscous or fouling-prone products?
A: Yes, our design can be adapted. For viscous products, we can specify forced-circulation or falling-film evaporators. Anti-fouling measures like CIP (Clean-in-Place) systems, special tube designs, or optional scraping mechanisms can be integrated to handle challenging feeds. -
Q: Is the heat recovery system standard or an add-on?
A: The heat recovery unit is an integral part of our optimized design for maximum efficiency. It is included as a standard core component in our offering for this product, not an optional extra. -
Q: What kind of after-sales support and service do you provide?
A: We provide comprehensive support including detailed installation guidance, operator training manuals and sessions (on-site or remote), a standard warranty, and access to spare parts. Our technical team is available for remote diagnostics and troubleshooting. -
Q: Can the system be customized for a specific capacity or factory layout?
A: Absolutely. As a manufacturer, we specialize in custom engineering. We design each system based on your specific feed characteristics, desired final concentration, available space, and utility connections to ensure a perfect fit for your plant. -
Q: What are the main utilities required to operate this evaporator?
A: The primary utility is electrical power to run the vapor compressor, pumps, and controls. It also requires cooling water for the compressor's after-cooler and the final condenser (if not using an air-cooled option). A small amount of plant air or nitrogen may be needed for instrument air, and CIP requires water and cleaning chemicals.
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