** Taw qhia
Thaum nws los txog rau kev ua noj thiab ci, sifting plays lub luag haujlwm tseem ceeb hauv ntau yam zaub mov txawv. Nws pab kom aerate thiab tshem tawm tej pob los yog impurities los ntawm cov khoom xyaw qhuav xws li hmoov nplej, cocoa hmoov, qab zib, thiab ci hmoov. Sifters yog siv los ua kom tiav txoj haujlwm no, thiab muaj ntau ntau hom sifters muaj nyob hauv khw. Hauv tsab xov xwm no, peb yuav tshawb txog ntau hom sifters thiab yuav ua li cas xaiv qhov zoo rau koj cov kev xav tau.
** Handheld Sifters
Handheld sifters yog hom yooj yim tshaj plaws ntawm sifter thiab feem ntau yog siv rau cov haujlwm me me xws li sifting hmoov rau ib pawg ntawm cov ncuav qab zib. Cov sifters no me me txaus kom haum rau hauv koj txhais tes thiab ua haujlwm los ntawm kev tuav los yog tig lub crank.
Muaj ob hom kev tuav tes sifters - teb sifters thiab nyem sifters. Rotary sifters ua hauj lwm los ntawm tig lub crank kov, uas tig lub cylindrical mesh npo. Raws li cov khoom xyaw qhuav yog nchuav rau saum lub sifter, lawv raug thawb los ntawm qhov screen mesh thiab sifted rau hauv lub tais hauv qab no.
Squeeze sifters, ntawm qhov tod tes, yog ua los ntawm kev sib tw los yog tuav ua ke. Qhov no yuam cov khoom xyaw qhuav los ntawm qhov screen mesh thiab mus rau hauv lub tais hauv qab no. Squeeze sifters feem ntau suav hais tias yooj yim siv dua li cov sifters teb, vim lawv yuav tsum tau siv zog tsawg dua los ua haujlwm.
** Cov hmoov nplej Sifters
Cov hmoov nplej sifters yog ib hom handheld sifter uas yog tsim tshwj xeeb rau sifting hmoov. Lawv feem ntau loj dua lwm cov khoom siv tes tuav thiab muaj peev xwm txog li 8 khob hmoov. Lawv kuj tau nruab nrog lub vijtsam zoo mesh uas zoo kawg nkaus rau sifting hmoov.
Cov hmoov nplej sifters tuaj yeem ua haujlwm nrog lub crank lossis nyem tuav. Qee cov qauv kuj tuaj nrog lub hau lossis npog, uas tso cai rau koj khaws koj cov hmoov nplej rau hauv lub sifter yam tsis muaj kev ntxhov siab.
** Mechanical Sifters
Mechanical sifters yog qhov loj thiab muaj zog dua li cov sifters. Lawv feem ntau yog siv nyob rau hauv kev lag luam chav ua noj thiab bakeries kom sift ntau cov khoom xyaw qhuav sai thiab zoo.
Mechanical sifters tuaj yeem ua haujlwm ntawm tes, hluav taws xob, lossis cua compressed. Lawv ua hauj lwm los ntawm kev siv lub cev muaj zog los tig ib qho screen lossis agitator, uas sifts cov khoom xyaw qhuav thiab cais cov impurities.
Muaj ob lub ntsiab ntawm cov tshuab sifters - teb sifters thiab vibratory sifters. Rotary sifters ua hauj lwm nyob rau hauv ib tug zoo xws li txoj kev rau rotary handheld sifters, tig ib tug cylindrical screen los sift cov khoom xyaw qhuav. Vibratory sifters, ntawm qhov tod tes, siv kev vibration los cais cov khoom xyaw qhuav, thiab pom tau tias muaj txiaj ntsig zoo rau sifting hmoov zoo.
** Phau ntawv hmoov nplej
Phau ntawv hmoov mills yog lwm hom mechanical sifter uas yog siv los grind nplej rau hauv hmoov. Lawv feem ntau siv hauv chav ua noj hauv tsev thiab muab ib txoj hauv kev los ua cov hmoov nplej tshiab los ntawm cov nplej xws li nplej, pob kws, thiab mov.
Phau ntawv hmoov mills feem ntau muaj ob lub pob zeb sib tsoo los yog burrs uas ua haujlwm los ntawm tig lub crank. Raws li cov nplej tau pub rau hauv lub zeb, nws yog av nruab nrab ntawm ob lub pob zeb thiab sifted los ntawm ib qho screen mesh. Cov txheej txheem no tsim cov hmoov nplej uas zoo dua thiab tshiab dua li cov hmoov nplej uas yuav hauv khw.
** Hluav taws xob hmoov zeb
Hluav taws xob hmoov mills yog ib qho yooj yim dua thiab siv tau zoo dua rau phau ntawv hmoov mills. Lawv ua haujlwm zoo ib yam, siv ob lub pob zeb sib tsoo los yog burrs los zom cov nplej rau hauv hmoov. Txawm li cas los xij, es tsis txhob tig lub crank, lub pob zeb yog siv los ntawm lub tshuab hluav taws xob.
Hluav taws xob hmoov mills kuj feem ntau tuaj nrog ib tug sifting mechanism, uas cais cov hmoov nplej los ntawm tej impurities los yog khib nyiab. Qhov no txuag lub sijhawm thiab kev siv zog piv rau manually sifting cov hmoov nplej.
** Lus xaus
Sifters yog cov cuab yeej tseem ceeb rau txhua tus neeg ua mov ci lossis ua noj, tsis hais qib kev txawj ntse. Los ntawm handheld sifters rau cov hauj lwm me me mus rau qib kev lag luam-qib tshuab sifters, muaj ntau yam sifters muaj rau haum txhua qhov kev xav tau.
Thaum xaiv ib tug sifter, xav txog cov hom khoom xyaw uas koj yuav sifting, tus nqi koj yuav sifting ib zaug, thiab qhov yooj yim ntawm kev siv thiab txij nkawm. Los ntawm kev xaiv txoj cai sifter, koj tuaj yeem xyuas kom meej tias koj cov khoom xyaw qhuav yog aerated kom zoo thiab tsis muaj pob thiab impurities, ua rau cov khoom ci thiab cov tais diav zoo dua.
