Lub cutter suction dredger yog ib hom hydraulic dredger. Nws lub hauv paus ntsiab lus ntawm kev khiav hauj lwm yog siv lub onboard centrifugal slurry twj tso kua mis los tsim lub nqus tsev vacuum, uas rub rau hauv thiab nqa cov slurry excavated, tom qab tso tawm los ntawm lub nkoj lub raj xa dej.
Ib qho tshwj xeeb rotating cutterhead yog mounted ntawm qhov kawg ntawm cov yeeb nkab suction txiav thiab agitate underwater sediment. Muab tso rau hauv spuds thiab spud{1}}hoisting mechanism yog ntsia rau ntawm lub stern kom yooj yim rau kev tso nkoj, lateral swinging, thiab longitudinal advancement thaum lub sij hawm dredging ua hauj lwm. Dredging, thauj, thiab tso tawm yog muab tso rau hauv ib tug tas mus li, tus kheej - txheej txheem, uas ua rau muaj kev ua hauj lwm efficiency.