Glass-Lined Mixing Systems?

The outstanding properties of glass linings are not only useful in static vessels, such as storage tanks, receivers or columns, but also in reactors.

Reactors work dynamically, under pressure, at vacuum, are heated, chilled, and have to induce chemical reactions between liquids, solids, gaseous elements. Sometimes static electricity can strain the lining.

In order to fulfill these requirements, glass-lined vessels are fitted with glass-lined agitation systems.

General configuration of a Glass-Lined mixing system

In most cases, glass-lined mixing systems are top entry types. The following components are installed on an agitator support flange:

 Pedestal to support the drive system of the mixer
 Sealing system for passing the shaft through the reactor wall
 Coupling between shaft and gear box
 Gear box to adapt the rotating speed of the agitator to process requirements
 Motor, generally electrical, to drive the system
 Glass-lined agitator


On other reactor nozzles:
 One or more baffles to optimize the agitation task
 Probes, e.g. for temperature, pH, level, sampling devices, etc. to control the reaction

Glass-Lined mixing systems have no bottom bearings
For large size reactors, due to the length of shafts, rotating speeds would be adversely affected because of the low natural frequency of long equipment. Pfaudler also offers bottom-driven mixing technologies.

What are the requirements for Pfaudler Glass-Lined mixing system?


Requirements for glass-lined mixing systems:
 adapts to media and process
 solves problems
 increases yield
 works safely


In industrial processes, reliability of the rotating equipment is a paramount criterion. Pfaudler’s glass-lined mixer systems offer:
 Drive, in accordance with European Directive 2014/34/EU
 Smooth operation, minimized vibrations through balanced shafts
 Accessibility, ease of maintenance, compact design
 Safe operation, also in hazardous areas
 Fully operational under sudden load changes (emptying or filling reactors)
 Recommended monitoring devices, case-by-case
 Field service teams for glass-lined mixing system maintenance

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