Cov khoom siv sim siv nyob qhov twg?

Cov txheej txheem:

Cov khoom siv sim siv nyob qhov twg?
Cov khoom siv sim siv nyob qhov twg?

Video: Cov khoom siv sim siv nyob qhov twg?

Video: Cov khoom siv sim siv nyob qhov twg?
Video: zoo nyob tag npaum no xoom ceev2 kom phev los tso mam saib seb yog leej twg 2024, Hlis ntuj nqeg
Anonim

Sieves siv tau rau kuaj tshuaj, hmoov, roj thiab lwm yam dej. Cov kev ntsuam xyuas no muab cov ntaub ntawv hais txog cov kab mob sib kis, cov khoom lag luam, qhov tsis xws thiab qhov ntom ntom.

Yam sim sieves yog dab tsi?

Ib qho kev sim sieve yog ib qho tshuaj ntsuam nruab nrab, nrog qhib qhov loj me thiab cov duab, mounted rau ntawm tus ncej nruj. Txhawm rau muab nws yooj yim, ib qho kev sim sieve yog ib qho cuab yeej siv cov ntaub hlau uas muaj qhov nyob hauv nws kom cais qee yam khoom ntawm cov khoom.

Dab tsi yog lub sieve siv rau hauv kev tsim kho?

A kaw woven npo. Qhov no yog ib qho cuab yeej ua los ntawm ib lub hoop thiab ntaub, ib txwm lub teeb xim horsehair, nrog rau qhov qis dua raug kaw. Nws pabcuam cais cov nplej zoo ntawm gypsum plaster, cement, xuab zeb, thiab lwm yam.

Asmeskas tus qauv siev siv rau dab tsi?

Standard Sieve Numbers. Lub sieve yog siv rau faib cov av rau hauv pawg xws li gravelly, sandy los yog clayey nyob rau hauv xwm.

Yuav ua li cas peb xaiv cov sieves uas siv?

Kev Xaiv Cov Sijhawm Tsim Nyog

Sieve xaiv tsis tsuas yog nyob ntawm tus qauv kom muaj nuj nqis tab sis kuj ntawm qhov kwv yees qhov loj me faibQhov nce ntawm cov mesh apertures yuav tsum ua raws ib tug logarithmic series los npog tag nrho particle loj ntau yam ntawm tus qauv.

Pom zoo: