This evaporator is suitable for the low-temperature continuous concentration of heat-sensitive materials under vacuum conditions. It consists of a heater, evaporation chamber, hydraulic ejector, multi-stage water pump, water tank, circulating discharge pump, and control panel. All parts that come into contact with materials are made of stainless steel. The equipment is compact, highly efficient, and cost-effective, making it an ideal concentration solution.

Technical parameters

Product Advantages

Energy and Water Savings
MVR evaporators save over 80% of energy compared to traditional evaporators, reduce more than 90% of condensed water, and decrease the required footprint by over 50%.
High Steam Utilization
Secondary steam is fully utilized, making the efficiency of live steam equivalent to the 30-effect of multi-effect evaporation. This reduces the need for external heating and cooling resources, lowering energy consumption and pollution.
Gentle Evaporation
The heat source is provided by a compressor, which results in a much smaller temperature difference compared to traditional evaporators. This enables gentle evaporation, greatly improving product quality and reducing fouling.
Simple and Reliable
No need for a condenser, or just a small condenser is required. The system is simple in structure and process, with fully automated operation and continuous running, ensuring safety and reliability.
Minimal Heating Denaturation
The evaporator works at low temperatures (evaporation temperature of 40°C-100°C), ensuring uniform material flow, no loss of material, minimal fouling, and minimal heating denaturation of the product.
Scraper Heater Structure
The scraper heater structure provides a high heat transfer coefficient, large evaporation capacity, and evaporation intensity of up to 200 kg/m²·hr with high thermal efficiency.
Short Heating Time
The material heating time is short, approximately 5 to 10 seconds, and it works under vacuum conditions, which is more advantageous for heat-sensitive materials. It ensures that all components remain intact without any decomposition, guaranteeing product quality.
Wide Viscosity Adaptability
The system can handle a wide range of viscosities, from low to high viscosity. The material viscosity can reach up to 100,000 centipoise (CP).
Small Footprint
The equipment occupies a small area, has a simple structure, is easy to maintain, and is easy to clean.
Reduced Vacuum Resistance
Due to its unique evaporation method, the material only forms a film on the evaporation surface, preventing accumulation on the surface. This eliminates the issue of liquid column static pressure affecting the vacuum degree, which is common in other evaporation methods. The system's vacuum degree directly reflects the material's evaporation vacuum degree.
High Evaporation Intensity
The increased vacuum degree lowers the boiling point of the treated material, increasing the temperature difference between the hot and cold media. The forced action of the scraper makes the liquid film turbulent and thinner. The scraper’s self-cleaning function suppresses the formation of scale on the heating surface, increasing the heat transfer coefficient and enhancing the evaporation intensity.
Short Heat Retention Time
As a special falling film evaporator, the material’s residence time on the heating surface is very short, about 10-60 seconds (depending on the specification), making it ideal for processing heat-sensitive materials.
High Operational Flexibility
The amount of material entering the evaporator per unit time determines the thickness of the liquid film on the heating surface. Since the liquid film is formed by the scraper’s forced action, the feed rate can be adjusted over a wide range.
 

Equipment Introduction
The forced external circulation concentration equipment is used for vacuum concentration of heat-sensitive, high-viscosity materials. It can also be used for materials with high viscosity or high solid content. With hourly evaporation capacities of 1000KG, 2000KG, 4000KG, 12000KG, and 20000KG, this equipment is independently manufactured by integrating Italian technology.

Structural Features
The equipment consists of a heater, evaporation chamber, and circulation system. Thanks to its unique design, it offers extremely high stability, ensuring a high final product concentration, excellent color, and superior quality. Based on the production requirements and product characteristics, single-effect, double-effect, or multi-effect evaporators can be selected.