Following the successful launch of the s-Jet grinding process, detailed discussions with various customers showed that there was also a demand for this new technology in laboratories or for small-scale production. A compact steam-jet mill plant was therefore developed for this purpose. The s-Jet 25 system integrates all the necessary components such as dosing, milling, product separation, control, valves and steam generation on a single skid. The space required for this system is only 3 m² and the maximum height a mere 2450 mm.
During the development phase, great care was taken to ensure that the system was especially suitable for manufacturing very small amounts and product samples. An ergonomic design was a further requirement along with the condensation of the waste steam vapours produced during the process. This in turn allows flexible installation of the system (available as an option). The product is fed via a gravimetric dosing system and an injector. The filter cloth used in the product separation filter is ideal for hot-steam applications and guarantees a residual dust content of <1 mg/m³.
The steam generator is a compact unit installed on the skid in a separate cabinet next to the grinding plant. All the components necessary for superheated steam production are combined in this cabinet. Grinding steam pressures up to 11 bar(g) and temperatures up to 300°C are pos-sible. The maximum amount of steam which can be generated is around 25 kg/h.
The electrical control system for the plant is also integrated in the skid. An automatic operating mode ensures a high degree of safety and reproducibility. The operator panel features a graphic display.
The plant is completely assembled and delivered after internal testing. The central connection points for compressed air, electricity, water and drains permit rapid installation and commissioning.
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