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this venting device represents a significant advantage when compared to other self-destructing devices.

Conclusion

The technical designs of grinding systems and storage facilities processing dusty media have to be based on the latest available standards. A lack of consideration for the relevant necessary standards may lead to fatal incidents. Scrutinising a proposed mill protection concept in the earliest stage of the acquisition procedure will prevent incorrect system protection. Investments in follow-up costs in terms of the system’s modifications are avoided.

As the cement industry decarbonises, the storage and handling of alternative fuels, as well as biomass products, will play more and more of an important role. The substitution rate of coal by alternative fuels/biomass is steadily increasing, provided the infrastructure of the country concerned is given. Especially the processing and handling of wood pellets, wood shavings, saw dust etc. is growing and requires special attention in terms of constructional explosion protection. The explosive specific values of wood pellets are even higher than lignite, which underlines the