China Falling Film Evaporation Plant Suppliers - Efficient Factory Solutions for Heat-Sensitive Liquid Concentration

Introducing our advanced falling film evaporator, designed specifically for efficiently concentrating heat-sensitive liquids. This state-of-the-art equipment enables the feed liquid to create a thin film that flows down vertically heated tubes, allowing for partial evaporation. As vapor travels parallel to the liquid, it enhances performance and ensures optimal evaporation rates, Manufactured in China, our evaporator is engineered to maintain a short residence time and low operating temperature, effectively preserving the quality of your products. Key to its functionality is proper liquid distribution and complete surface wetting, which prevent fouling and ensure high thermal efficiency and operational stability, As a top supplier in the industry, our factory prioritizes the development of reliable and efficient solutions for your evaporation needs. Experience superior quality and performance with our falling film evaporator, a trusted choice among manufacturers worldwide

Product Description

Description

The liquid feed is introduced at the top of the calandria, where a distribution system ensures the formation of a uniform liquid film along the inner walls of the heating tubes. As the film flows downward under gravity, it is heated externally and begins to boil, partially evaporating along its path. The downward flow is further promoted by the co-current flow of vapor generated during boiling.

Separation of the remaining liquid film and vapor takes place in the lower section of the calandria and is completed in a downstream centrifugal droplet separator. To prevent dry spots—which can cause fouling and deposit accumulation—it is critical to maintain complete and even wetting of the entire heating surface. This can be achieved by using longer heating tubes, dividing the evaporator into multiple compartments, or implementing product recirculation.

Falling Film Evaporation Plant Detail (1)
Falling Film Evaporation Plant Detail (2)
Falling Film Evaporation Plant Detail (3)
Particular Feature
  • Best product quality, gentle evaporation, mostly under vacuum, and extremely short residence times in the evaporator.
  • Simple process control and automation.
  • Flexible operation, quick start-up and easy switchover from operation to cleaning, uncomplicated changes of product.
  • High efficiency heat transfer, it is possible to design multiple-effect, thermal vapour recompression, mechanical vapour recompression.
Fields of Application
  • Particularly suited for temperature-sensitive products, such as dairy product, fruit juices, plant extracts, sugar, blood plasma.
  • For liquids which contain small quantities of solids and have a low to moderate tendency to form incrustations.
Key Advantages

Advanced Energy-Efficient Technologies

Integration of multi-effect evaporation and mechanical vapor recompression (MVR) systems significantly reduces energy consumption and operational costs.

High-Quality and Durable Construction

Utilization of high-grade stainless steel and industrial alloys ensures corrosion resistance, durability, and long-term reliability under continuous operation.

Comprehensive Customization and Turnkey Solutions

Tailored system design, layout, and material selection to meet specific client requirements, supported by end-to-end services from simulation to commissioning and training.

Precision Automation and User-Friendly Control

Equipped with advanced PLC and HMI systems for real-time monitoring, precise process adjustments, remote control capabilities, and predictive maintenance.

Stringent Quality Assurance and Global Compliance

Rigorous testing and inspection processes aligned with international standards (ISO, CE, ASME), ensuring safety, performance, and worldwide regulatory compliance.

Frequently Asked Questions
? What is a falling film evaporator and how does it work?
A falling film evaporator is a type of vertical shell-and-tube heat exchanger where liquid feed is introduced at the top of the calandria and flows downward as a thin film along the inner walls of the heating tubes. As the film descends under gravity, it is heated externally, causing partial evaporation. The co-current vapor flow further promotes downward movement. Liquid and vapor are then separated in the lower section and a downstream centrifugal droplet separator.
? What products are best suited for falling film evaporation?
Falling film evaporators are particularly suited for temperature-sensitive products such as dairy products, fruit juices, plant extracts, sugar solutions, and blood plasma. They are also ideal for liquids containing small quantities of solids with a low to moderate tendency to form incrustations.
? How is fouling and dry spot formation prevented in a falling film evaporator?
To prevent dry spots that can cause fouling and deposit accumulation, it is essential to maintain complete and even wetting of the entire heating surface. This can be achieved by using longer heating tubes, dividing the evaporator into multiple compartments, or implementing product recirculation systems.
? What energy-saving options are available for falling film evaporation systems?
Falling film evaporators can be designed with multiple-effect evaporation, thermal vapor recompression (TVR), or mechanical vapor recompression (MVR) to significantly improve energy efficiency and reduce operational costs. These technologies allow the reuse of vapor energy within the system, minimizing external steam consumption.
? Can the falling film evaporation system be customized for specific industrial needs?
Yes. Comprehensive customization and turnkey solutions are available, including tailored system design, layout, and material selection to meet specific client requirements. Full end-to-end support is offered, from process simulation and engineering to commissioning, operator training, and after-sales service.
? What international quality standards does the evaporation equipment comply with?
The falling film evaporation equipment undergoes rigorous testing and inspection processes aligned with internationally recognized standards including ISO, CE, and ASME. This ensures the equipment meets the highest levels of safety, performance, and regulatory compliance for global markets.

Related Products