Usetyenziso:
Indawo yokupholisa iipellets zezilwanyana zenzelwe ukupholisa ubukhulu obukhulu bokutya okugqithisiweyo, ukutya okufunxayo kunye neepellets zokutya kwisityalo se-pellet. Ngokusebenzisa i-pendulum counter flow cooler, iipellet zesondlo ziyancipha ubushushu kunye nokufuma ukulungiselela okulandelayo.