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Industrial drying machines are designed to remove moisture from your product. But the drying process must cater to variations in the state of matter and molecular structure of the input material. Industrial dryer technology exploits the modes of heat transfer (convection, conduction, radiation, evaporative cooling) to control the moisture content.

Drying

A toner is a fine powder located in printer and copier cartridges. One peculiar property the product is their ability to act like liquids. Toner manufacturing equipment sees to it that the particle size is between 5 and 30 micrometers to flow through the cartridge.

Toner

The conical screw vacuum dryer is particularly suitable for the final drying of powders, granules, pastes and viscous slurries especially when they are brittle and/or temperature-sensitive. It is often used for active pharmaceutical ingredients, pesticides, sterile APIs, chemically produced toner and cocoa.


<h2>Gentle drying of temperature-sensitive products</h2>
The Vrieco-Nauta® conical screw vacuum dryer from Hosokawa Micron is a universal batch dryer, capable of drying volumes ranging from 5 to 22 000 liters, suitable for powders, granules, pastes, viscous slurries, heavy and sticky products. Specially designed for heat-sensitive products or products that contain solvents that are toxic or explosive. It can also be used for vacuum operations such as reaction/crystallization, heating/cooling,
sterilization, liquid/solid separation and de-aeration. Controlling the moisture content by monitoring the weight of condensate or using the Hosokawa sampler for taking samples from the product inside the dryer under vacuum.

Conical screw vacuum dryer

The laboratory conical screw vacuum dryer is particularly suitable for the final drying of powders, granules, pastes and viscous slurries especially when they are brittle and/or temperature-sensitive. Useful during research and development when only a few grams of a new substance are available. Ideally suited for testing pharmaceutical products, pesticides, sterile APIs, chemically produced toner and cocoa.


<h2>Test drying processes for sensitive products</h2>
The 5-liter conical vacuum dryer from Hosokawa Micron is used for drying off heat-sensitive materials at typical 10 - 20 mbar absolute pressure in a batch process, this orbital vacuum dryer is the right tool for laboratory-scale experiments. It can handle pasty products, cakes or high viscosity slurries and delivers reliable attempts or simulations of drying and mixing. Suitable for powders, granules, pastes, viscous slurries, heavy and sticky products. Specially designed for heat-sensitive products or products that contain solvents that are toxic or explosive. It can also be used for vacuum operations such as reaction/crystallization, heating/cooling, sterilization, liquid/solid separation and de-aeration.

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Laboratory conical screw vacuum dryer

The pharmaceutical and bioprocess industries need filtration processes of particularly high quality to ensure the containment of potentially hazardous substances and avoid product contamination. Experienced biopharmaceutical manufacturers know that equipment designed for general industry use often falls short of the tight quality and hygienic standards of our industry and that producers who embrace high quality pharmaceutical grade equipment will have an advantage over competitors.
<h2>A pharmaceutical grade filter system with maximum separation and complete filter cake removal and drying</h2>
Mavag AG's smaller scale and focus on their tradition of Swiss craftsmanship ensure the impeccable product quality that customers need. The company's Filter Dryer system is an agitated pressure filter with added features that make it particularly well suited to the pharmaceutical and bioprocess industries. The unit consists of a single plate filter that effectively removes solids from the processed mixture and forms a filter cake. The filter caked can be re-suspended in a liquid slurry using the magnetically driven agitator. This allows the filter cake to be discharged without exposing the interior of the system to the surrounding environment—reducing contamination and exposure risk. The unit also includes a heated vessel and agitator, a solvent recovery system, a vacuum generator, and a dust filter. These added features allow for very thorough washing of the filter cake and complete removal of solvent from the filter cake in a completely enclosed process step.  This makes the units extremely valuable to process that require excellent containment and avoidance of cross contamination as are commonly found in the pharmaceutical and bioprocess industries.

Filter dryer

Drying vessels that are simple, reliable, and easy to maintain increases product quality and process efficiency in this highly sensitive industry. Experienced biopharmaceutical manufacturers know that equipment designed for general industry use often falls short of our industry's tight quality and hygienic standards and that producers who embrace high-quality pharmaceutical-grade equipment will have an advantage over competitors.
<h2>A spherical agitated dryer with uniform drying, complete product discharge, and easy maintenance</h2>
Mavag AG's smaller scale and focus on their tradition of Swiss craftsmanship ensure the impeccable product quality that customers need. The company’s Mavaspher spherical dryer line is spherical agitated dryers that use a magnetically coupled agitator blade to stir fine chemical products inside of a machined spherical vessel for the pharmaceutical and biotech production industries. The vessel is flanged and hinged at the equator for easy opening for inspection, cleaning, and maintenance. A spherical disk valve at the lowest point in the sphere provides effective product discharge. The agitator is eccentrically mounted to aid with product discharge and provided complete mixing and gentle drying to the contained products. The shape of the agitator blades is carefully controlled to maintain a small gap between the blades and the vessel walls. Options are available to convert the agitator to a chopper are available according to the customer’s needs. The hinged, spherical shape allows the vessel to be opened up fully for cleaning and maintenance access easily. It also ensures consistent product mixing and even exposure of powders to the agitator blades and discharge valve.

Spherical dryer

Find production technology for Toner drying, and connect directly with leading machine manufacturers worldwide

Toner drying

Which toner drying equipment do you need?

Conical screw vacuum dryer

Laboratory conical screw vacuum dryer

Filter dryer

Spherical dryer

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