Multi Effect Thermal Vapor Recompression Evaporation

High quality Multiple Effect Machine Effectiveness of TVR Crystallization Plant

Multi-effect falling film evaporators with thermal vapour recompression (TVR)

Multi-effect falling film evaporators with a thermal vapour recompression are good valued and extremely energy efficient. The thermo-compressor uses the high pressure steam and mixes the low pressure vapours with it. A thermo compressor substitutes one or two evaporator column compared to a multi-effect evaporator, i.e. the specific steam consumption of a TVR-evaporator is reduced by around 20 to 50 %.

APPLICATION

The Evaporator Falling Film TVR provides a fully automatic and continuous evaporation system. The Evaporator Falling Film TVR is suitable for the production of the complete range of products. The system is customer specific designed, and therefore available for a wide range of product compositions and capacities.

HIGHLIGHTS

Long production runs due to high hygienic standards

Proven technology

Fully cleanable (Cleaning in Place)

WORKING PRINCIPLE

The Evaporator Falling Film TVR is fed from the wet process area. From the balance tank product is heated to at least boiling temperature of the first calandria, depending on the final product demands. This can be done by plate heat exchangers, tubular heat exchanger and/or direct heaters by use of condensate, excess vapours, steam and/or hot water. After the heating process the product is fed to the first calandria where the product starts to evaporate. The evaporator works according the falling film principle, which means that product and vapour are flowing downwards through the tubes. At the bottom, concentrate falls down and vapour is sucked into the separator, whereby the smaller concentrate droplets are separated from the vapour. Concentrated product is pumped to the next pass, whereby the product is further concetrated. After the final calandria pass product is pumped, depending on the product and required concetrate properties, to a next calandria, concentrate tanks of the dryer or via a flash cooler to crystallisation tanks. As the amount of water evaporation is limited and the required temperature difference is relatively high, steam is used as driving force. This is referred to as thermal vapour recompression (TVR). Depending on capacity and specific product needs the number of stages and thermo-compressors are defined. A density controller in the concentrate flow is used to set the steam flow to the thermo-compressor.

MVR and triple effect evaporation equipment running cost compare:

FAQ

What is the difference between an MVR and TVR evaporator?

MVR is a Mechanical Vapor Recompression system, energy source is Power/Electricity, very low energy consumption

TVR is a Thermal Vapor Recompression system- energy source is steam, energy consumption dependent on number of stages (calandrias) of evaporation.

Why use a Falling Film evaporator?

The falling film evaporator is a gentle way to remove water in a very energy efficient way. Small footprint for high evaporation.

How high can you go in total solids?

This is very dependent on type of product, all products must be individually considered, mostly the stickiness and viscosity will determine the total solids.

Does viscosity have an impact on the possibility to use an evaporator?

Yes, the viscosity is a very critical factor for a good evaporation, the product must be pumpable.

What kind of products can you run on a falling film evaporator?

Almost all pumpable liquids and soluble products can be run on a falling film evaporator.

Our production Equipment

Jiangsu Hanpu Mechanical Technology Co., Ltd. is a project engineering company jointly established by Jiangsu Zhongyi Environmental Technology Co., Ltd., FERREO A/S in Denmark, Shanghai Jiaotong University and Nanjing Kingreat Machinery Co., Ltd. The company's production base is located in the Huangqiao Industrial Zone of Taixing, covering an area of 300 acres. The companies involved are in the industry of new material, new energy, medicine, chemical, environmental protection, food, and beverage, etc.

The company has a national functional office and facilities as a scientific research bureau. The research center now has 5 doctor tutors, 8 professional engineers, 11 senior engineers, 42 engineers and 68 assistant engineers making it a leading specialized research bureau.

The company has various kinds of general (special) machinery devices including 480 sets and are the most developed working devices in the world such as: Toshiba CNC boring and milling machine imported from Japan, German Schiess CNC turning processing center, CNC fine plasma cutting machine imported from Germany, Laser cutting machine, CNC folding machine, CNC wire cutting and CNC shearing machine, etc.

The company's main projects include but are not limited to: MVR evaporation system, powder washing salt and vacuum salt production project, oil tank sludge cleaning project, landfill leachate treatment project, plant/animal oil processing production line, urban wastewater treatment project, various wastewater treatment projects, and CBD oil extraction production line. Technical support and transfer of API product technology package. The main products are centrifuge series, multi-effect and MVR evaporation and crystallization equipment, laser welding heat transfer board, lithium battery material mixing equipment, pressure vessel and titanium, zirconium, nickel, and other non-standard special equipment.

The company's sales network throughout the whole world, with a domestic sales market share of 50%, and exported to the United States, Canada, Germany, Spain, France, Switzerland, Sweden, Denmark, Australia, Brazil, Argentina, Chile, Colombia, Russia, Ukraine, Poland, Uzbekistan, Indonesia, Vietnam, Singapore, Malaysia, India, Japan, South Korea, Iran, South Africa, Nigeria, and Rwanda.

The company is an internationally competitive engineering company that integrates technical consulting, design, procurement, construction, installation and driving into one, providing engineering EPC general contract, project management, engineering supervision and other comprehensive, full-process services. The company is Committed to be the first and world-renowned technology and technology engineering company in Asia, providing cutting-edge technology and one-stop solutions for the world's industries.