Cov twj centrifugal tau tsim nyob ib puag ncig "centrifugal force drive," feem ntau muaj lub impeller, lub twj tso kua mis, thiab lub foob foob. Thaum lub sijhawm ua haujlwm, lub cev muaj zog tsav lub impeller kom tig ntawm kev kub ceev (feem ntau 1000-3000 r / min). Lub impeller blades propel cov kua nyob rau hauv ib ncig, thiab nyob rau hauv lub centrifugal quab yuam, cov kua yog muab pov rau hauv lub twj tso kua mis casing lub ntws channel, yog li ua tiav siab nce thiab xa. Nws cov channel ntws feem ntau yog volute - hom, nrog cov kua dej ntws txoj kev spiraling. Nws tso siab rau lub zog kinetic uas tsim los ntawm kev sib hloov ceev kom hloov mus rau hauv lub zog siab, yog li yuav tsum tau muaj qhov siab tshaj plaws nyob rau hauv impeller dynamic tshuav nyiaj li cas thiab smoothness ntawm ntws channel.
Cov twj tso kua mis, ntawm qhov tod tes, yog tsim los ntawm "zoo xaim xaim meshing kis tau tus mob," thiab muaj nyob rau hauv ib qho - ntsia hlau, ntxaib - ntsia hlau, thiab triple - ntsia hlau hom. Cov khoom tseem ceeb yog cov ntsia hlau thiab bushing (ib lub hau ntswj) lossis meshing screws (ntau-ntsia). Thaum lub sijhawm ua haujlwm, lub hau ntswj tsav tau tsav lub hau ntswj kom tig. Cov ntsia hlau thiab bushing (los yog nruab nrab ntawm cov ntsia hlau) tsim ib ntu hloov cov kab noj hniav. Cov kab noj hniav no txav los ntawm qhov kawg ntawm qhov nqus mus rau qhov kawg ntawm qhov tso tawm thaum lub hau ntswj tig, "squeezing thiab thawb" cov kua dej tawm. Nws cov qauv qhia meej txog kev tswj xyuas meej ntawm cov meshing clearance (feem ntau 0.05-0.1mm) kom tsis txhob muaj kua dej. Ib txhij, cov ntsia hlau lub helix lub kaum sab xis thiab cov hlau lead tsim ncaj qha cuam tshuam rau kev ruaj ntseg txaus.
Lub rotary cam twj tso kua mis belongs rau qeb "rotor-hom zoo hloov chaw twj" qeb. Nws cov qauv tseem ceeb muaj xws li ib khub ntawm synchronously rotating counter-rotating cam rotors (feem ntau ob -lobe los yog triple-lobe), lub twj tso kua mis lub cev, thiab synchronous gearbox. Cov rotors tig yam tsis muaj kev sib cuag hauv lub twj tso kua mis chamber. Cov kua dej kom tsawg thiab tso tawm yog ua tiav los ntawm kev nthuav dav thiab kev cog lus ntawm cov kab noj hniav uas tsim los ntawm rotor profile thiab lub twj tso kua mis lub cev. Tsis zoo li cov twj tso kua mis, nws cov rotors tsis tas yuav tsum tau meshing meej; Hloov chaw, lub zog synchronous ua kom lub rotor tshem tawm (feem ntau 0.1-0.3mm), ua rau muaj qhov dav dav. Tsis tas li ntawd, cov qauv rotor tuaj yeem tsim nrog cov roj hmab txheej lossis cov khoom siv hlau nyob ntawm cov yam ntxwv nruab nrab.
