® System dryer is the eccentric agitator with two independent movements that can simultaneously revolve around its own axis and rotate tangentially to the drying chamber." />

Outstanding results and maximum respect for the product

The major added-value of the patented Planex® System dryer is the eccentric agitator with two independent movements that can simultaneously revolve around its own axis and rotate tangentially to the drying chamber. The combined rotations of the agitator ensures optimal product mixing, continuously renewing the surface exposed to evaporation in the whole volume of the chamber. This facilitates the release of solvents, thus drastically reducing drying times.

The agitator’s axial and planetary movements can be either clockwise or counterclockwise, and the speed parameters can be set by the operator according to the type of product being dried.

In addition, the agitator’s small size compared to the drying chamber diameter allows higher rotation speeds, consuming at least three times less energy than conventional dryers. This means a threefold reduction in the energy transferred through friction to the solid particles to be dried (1). As a result, even the most delicate and temperature-sensitive products are treated with maximum care.

Moreover, the Planex® System control software allows to automatically command the agitator movements with the Stop & Swing program. In this way, the agitator swings back and forth, thus remaining all the time immersed in the product, and guaranteeing its continuous mixing. This approach is particularly effective when processing small batches.

essiccatore orizzontale

A further guarantee of purity

The agitator’s ZeroFriction® planetary movement prevents the product from being rubbed against the drying chamber walls and thus heating up due to friction, a typical problem in conventional paddle systems.

This is why Planex® System is particularly suitable for processing very delicate and temperature-sensitive products, because it preserves their purity and prevents them from deterioration.

In addition, the rotation of the paddles tangentially to the chamber walls, conveys the product into the small clearance between the agitator and the chamber surface, preventing lumps formation and guaranteeing an even more effective drying and a controlled final particle size distribution, which is impossible to achieve with conventional dryers.

  • essiccatore orizzontale profilo agitatore eccentrico
  • essiccatore orizzontale profilo agitatore eccentrico
  • essiccatore orizzontale profilo agitatore eccentrico

Eccentric agitator profile

The entire batch without wastes

The minimum clearance between agitator profile and chamber walls not only prevents product buildups, but it also makes discharge significantly easier. In addition, there is a specific automatic program for the discharge operations.

These operations are even more effective thanks to the “pendulum” movement of the agitator (the agitator “pendulum” movement), which swings by 90 degrees in the discharge area.

As a result, the amount of product left in the Planex® System chamber after discharge is truly minimal, averaging less than 1% of the volume.
  • essiccatore industriale operazione di scarico

    Discharging

  • essiccatore industriale operazione di scarico

    No wastes

  • essiccatore industriale operazione di scarico

    No wastes

Maximum efficiency

Special filtration systems can be mounted above the drying chamber to satisfy any process need: filter sleeves with PTFE membrane, or, alternatively, metal or PTFE filter cartridges, the efficiency of which during the process is ensured by an automatic nitrogen backwash system.

To optimize the drying process and assure full protection to the vacuum line, Italvacuum's experience suggests the use of an additional external heated cyclone filter, designed as to prevent pressure drop and condensation.

  • essiccatore industriale filtro di processo

    Process filters

  • essiccatore industriale filtro di processo

    Process filters

  • essiccatore industriale filtro di processo

    Process filters

Filtro esterno di sicurezza essiccatore industriale filtro esterno di sicurezza

External safety filter

Solutions designed to meet any need

All the parts of Planex® System that come into contact with the product are made of AISI 316L stainless steel, but other weldable materials such as Alloy C-22 and AISI 904L are available on request. The drying chamber walls, the agitator shaft and the access hatch are heated by diathermal fluid circulation to prevent cold spots that could cause solvent condensation or product buildup.

Internal surfaces of the drying chamber are lapped or electropolished to optimize corrosion resistance, reduce adhesion and friction on the product, improve powder flow behavior and facilitate cleaning operations.
  • essiccatore chimica materiali resistenzi alla corrosione
  • essiccatore chimica materiali resistenzi alla corrosione
  • essiccatore chimica materiali resistenzi alla corrosione

Wide range of weldable materials available

All the quality of a one-of-a-kind multi-patented system

  • Energy consumption three times lower than in conventional dryers (1)
  • Threefold reduction in mechanical and thermal stresses, to the benefit of product purity
  • Eccentric agitator with ZeroFriction® planetary movement:
    • No localized friction on the product
    • Possibility to process very delicate temperature-sensitive products
    • No product build up
    • Guaranteed final particle size
  • Paddles profile for each type of application
  • Ideal for processing also small batches, thanks to the automatic Stop & Swing program
  • Easy total discharge thanks to:
    • Minimum clearance between agitator paddles and drying chamber
    • Special automatic program
  • Faster drying times thanks to the combined rotations of the agitator, which increases the product surface exposed to evaporation
  • Very high final vacuum levels
  • Easy cleaning of interior and exterior, with practical access for inspection and swab testing
  • Simple agitator paddles dismantling and removal, without long machine downtimes
  • Full system automation guarantees batch-to-batch process

From lab to installation: the best way to choose the right industrial system

In its factory Italvacuum has a range of pilot systems which allow to carry out semi-industrial and laboratory scale drying tests on customer’s products.

During pilot trials, product samples can be taken for analysis without breaking the vacuum and the process parameters can be modified at any time in order to reach the ideal drying process. In this way customers can choose the Italvacuum system that best meets their needs in terms of both size and performance. At the same time, Italvacuum acquires important information to correctly size the industrial systems.

A full report containing process parameters graphs and conclusive comments is issued at the end of each trial.

Prove pilota

All the quality of an integrated system

In addition to the dryer, Italvacuum is the only manufacturer in the world that can design and produce internally all the auxiliary units – vacuum system included – ensuring that they are sized to meet any processing requirements:

  • Saurus939 high vacuum pump
  • Vacuum condensation unit for drying time reduction and extracted solvent recovery
  • External cyclone filter, designed in order to prevent pressure drop and condensation, for full vacuum line protection
  • Heating/cooling units for system temperature regulation
  • PLC control system with CFR 21 Part 11 certified software, able to guarantee reproducible dried batches and interface with centralized control systems.

Versatile and flexible

The patented Planex® System features outstanding loading flexibility. The system is available with total volumes ranging from 150 to 3,200 liters. The loading capacity varies, depending on the product to be dried and the process. The system can meet all the production needs of the pharmaceutical and chemical industries, as it is capable of processing small amounts of product, thanks to the automatic Stop & Swing program, as well as large batches. Maximum loading capacity is determined through tests with gradually increasing loads.

Essiccatore orizzontale Planex system Dimensioni