Cov khoom sib cais fiber

Cov khoom siv raw uas lub tshuab hydraulic pulper ua tiav tseem muaj cov ntawv me me uas tsis tau xoob tag, yog li nws yuav tsum tau ua ntxiv. Kev ua cov fiber ntxiv yog qhov tseem ceeb heev rau kev txhim kho qhov zoo ntawm cov ntawv pov tseg pulp. Feem ntau hais lus, pulp disintegration tuaj yeem ua tiav hauv cov txheej txheem tawg thiab cov txheej txheem refining. Txawm li cas los xij, cov ntawv pov tseg pulp twb tau tawg lawm, yog tias nws tau xoob dua hauv cov khoom siv tawg dav dav, nws yuav siv hluav taws xob ntau, kev siv cov khoom siv yuav qis heev thiab lub zog ntawm cov pulp raug txo los ntawm fiber raug txiav dua. Yog li ntawd, kev tawg ntawm cov ntawv pov tseg yuav tsum tau ua kom zoo dua yam tsis txiav cov fibers, fiber separator yog tam sim no cov khoom siv siv dav tshaj plaws rau kev ua cov ntawv pov tseg ntxiv. Raws li cov qauv thiab kev ua haujlwm ntawm fiber separator, fiber separator tuaj yeem faib ua ib qho nyhuv fiber separator thiab ntau-fiber separator, feem ntau siv yog ib qho nyhuv fiber separator.

Cov qauv ntawm lub tshuab cais fiber ntau ib zaug yooj yim heev. Lub tswv yim ua haujlwm yog raws li nram no: cov slurry ntws los ntawm qhov kawg me me ntawm lub plhaub cone thiab pumped raws li kev taw qhia tangential, lub impeller tig kuj muab lub zog pumping uas tso cai rau cov slurry tsim cov axial ncig thiab tsim cov dej ntws tob tob, cov fiber raug tshem tawm thiab loosened hauv qhov sib txawv ntawm lub impeller ntug thiab ntug hauv qab. Sab nraud ntawm lub impeller yog nruab nrog lub hniav sib cais ruaj khov, uas tsis tsuas yog txhawb kev sib cais fiber tab sis kuj tsim cov dej ntws turbulent thiab scours lub phaj screen. Cov slurry zoo yuav raug xa los ntawm lub vijtsam tuav ntawm sab nraub qaum ntawm impeller, cov khoom tsis huv xws li yas yuav raug concentrated qhov hluav taws xob ntawm lub hau pem hauv ntej thiab tso tawm tsis tu ncua, cov khoom tsis huv hnyav raug cuam tshuam los ntawm lub zog centrifugal, ua raws li kab kauv raws phab ntsa sab hauv mus rau hauv qhov chaw sediment hauv qab qhov kawg loj kom raug tso tawm. Kev tshem tawm cov khoom tsis huv hauv lub tshuab cais fiber yog ua tiav intermittently. Lub sijhawm qhib ntawm lub valve tso tawm yuav tsum raws li qhov ntau ntawm cov khoom tsis huv hauv cov ntawv pov tseg raw khoom. Ib zaug cuam tshuam fiber separator yuav tsum xyuas kom meej tias cov pulp fiber tau loosened tag nrho thiab cov khoom tsis huv yuav tsis tawg thiab sib xyaw nrog cov pulp zoo. Tsis tas li ntawd, cov txheej txheem yuav tsum txuas ntxiv cais cov yas zaj duab xis thiab lwm yam khoom tsis huv kom tso tawm hauv lub sijhawm luv luv kom ntseeg tau thiab rov qab kho qhov sib npaug ntawm cov fiber separator, feem ntau, lub teeb tsis huv tso tawm valve tswj tau kom tso tawm ib zaug txhua 10 ~ 40s, 2 ~ 5s txhua lub sijhawm yog qhov tsim nyog dua, cov khoom tsis huv hnyav raug tso tawm txhua 2 teev thiab thaum kawg ua tiav lub hom phiaj ntawm kev sib cais thiab ntxuav cov pulp fibers.