Drum pulper ndi zida zowononga mapepala zowononga kwambiri, zomwe zimapangidwa makamaka ndi hopper ya chakudya, ng'oma yozungulira, ng'oma yotchinga, makina otumizira, maziko ndi nsanja, chitoliro chamadzi opopera ndi zina zotero. Drum pulper ili ndi malo opukutira ndi malo owonera, omwe amatha kumaliza njira ziwiri zokoka ndikuwunika nthawi imodzi. Pepala lotayirira limatumizidwa kudera lapamwamba kwambiri lopopera ndi chotengera, pamlingo wa 14% ~ 22%, limatengedwa mobwerezabwereza ndikugwetsa mpaka kutalika kwina ndi chopukutira pakhoma lamkati ndi kuzungulira kwa ng'oma, ndipo imagundana ndi khoma lolimba lamkati la ng'oma. Chifukwa cha mphamvu yometa ubweya wochepa komanso yothandiza komanso kukulitsa kukangana pakati pa ulusi, pepala lotayirira limagawidwa kukhala ulusi.