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As a leading nozzle manufacturer, high quality standardised solutions are business-as-usual for us.
However, thanks to the breath of our manufacturing capacities and comprehensive expertise, we can also produce custom and individual designs for specific applications.
No matter how small the series
or short the timeframe.
The coating process involves the application of a fine, evenly applied layer of particles and/or cores using a substance which changes the qualities of the original product. The range of applications is broad, and can include altering an object's colour or shine, protecting it against light, moisture or wear as well as improving lubrication, masking taste, enhancing solubility (depending on the pH level) or allowing the release of certain active substances.
To enable the surface to be covered, the coating substance's particles must be made smaller than the grain size of the starting product. An even application to the surface will influence the desired effect, as will the coating thickness.
The coating substance is an element of the coating fluid and is sprayed onto the product particles evenly in fine droplets. During this process, the droplets wet the particle and blend together on its surface. The liquid content evaporates and the coating material hardens. This process is repeated during spraying. Once all the liquid has evaporated, the particle is left with a finished coating.
The size of the particle to be coated plays a key role when it comes to selecting a suitable process and spray technology.
Zweistoffdüsen
Externe Mischung Vollkegel
Zweistoffdüsen
Externe Mischung Vollkegel
Drei- und Vierstoffdüsen
Zweistoffdüsen
Externe Mischung Vollkegel
In order to develop correct tablet coatings, until just a few years ago, pharmaceutical companies had to use coating drums, which wasted too many tablets in the test phase. Once the manufacturers of the coaters started to build more efficient tabletop units for research purposes, it was also clear to Düsen-Schlick that it would have to optimise its spray nozzles for these drum sizes.
Read moreBlocked spray nozzles are a widespread problem in fluidised bed systems in which very fine or tacky products are processed. By using ABC nozzles, the pharmaceutical excipient manufacturer DMV Fonterra Excipients has succeeded in avoiding unplanned downtimes. Düsen-Schlick Anti-bearding cap technology (ABC nozzles) is well-established in the field of tablet coatings.
Read moreImproved spray arm design and advanced nozzle systems cut set up time in half on state-of-the-art tablet coaters. This has big advantages for contract manufacturers who have find efficient ways of dealing with frequent changeover.
Read moreIn the pharmaceutical industry, flat spray two-substance nozzles are used in coating drums for the coating of pharmaceutical products. If possible, the coating process should not be interrupted for economical reasons. In addition to the geometry of the coater, the drying air and the spraying liquid, the nozzles play a particularly important role in this process. A new nozzle with an antibearding cap (ABC-Technology®) meets the requirement for operating security and improved handling during coating.
Read moreIn tablet production, coating processes require a lot of manual operation and experience: The spray arms and nozzles that are used have to be constantly checked, and the spraying process variables require careful adjustment. A new nozzle and spray arm concept now allows you to achieve considerably more efficient processes.
Read moreAnti-bearding air cap ensures that droplets are well distributed, and that coating and moistening are homogenous. The type of nozzle used for coating and moistening determines the process result. Normally, flat spray two-substance nozzles are used for this process. A new, robust air cap withstands even the most adverse operating conditions and thus ensures a clean spraying process with the ideal drop size.
Read moreTime and again conventional spray arms cause trouble when coating tablets. They are often difficult to clean and are not easy to inspect. The result is a disruption to the process flow and unnecessarily long set-up times. A new spray arm concept promises to improve this situation.
Read more
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Telefon: +49 9565 9481-0
Mail: info(at)myschlick.com
