I found this manuscript from the late John Grams in our manuscript files. There was no date on the envelope but it’s likely ...

Cement combined grinding is one of the key links in the cement production process, and accurate prediction of mill bucket elevator current has an important impact on its control and stable operation.

It was linked to an indoor bucket elevator, which shot grain upward and flung dust into the air. If the suppression system sensed an ignition, it would suffocate the fire, preventing destruction. The ...