Hais txog Refiner Mill Disc
Jul 03, 2023
Cov ntaub ntawv muaj:Lub hauv paus zoo ntawm qhov nruab nrab ntom ntom fiberboard yog kev sib tsoo ntawm cov fibers hauv cov pob zeb refiner. Cov txheej txheem thermal sib tsoo yog txheej txheem tseem ceeb hauv tag nrho cov txheej txheem tsim khoom, thiab tus yuam sij cuam tshuam rau kev ua tau zoo thiab lub peev xwm ntawm cov refiner zeb nyob hauv kev sib tsoo ntawm cov discs. Nws tuaj yeem hais tau tias kev sib tsoo ntawm cov discs yog qhov tseem ceeb tshaj plaws thiab muaj zog tshaj plaws nyob rau hauv lub tshuab refiner.
Txheej txheem cej luam:
Kev sib tsoo disc ntawm lub tshuab refiner yog ib qho khoom siv ncaj qha cais cov fibers.
Kev txhim kho keeb kwm yav dhau:
Medium density fiberboard yog ib qho ntawm cov kev tsim khoom loj hauv kev lag luam hav zoov hauv xyoo pua 20th, thiab nws qhov kev ua tau zoo heev tuav txoj haujlwm tsis tuaj yeem hloov tau piv rau lwm hom boards. Nws txoj kev loj hlob ceev yuav tseem nyob rau hauv thawj ib nrab ntawm lub xyoo pua 21st, thiab cov refiner zeb sib tsoo phaj, raws li cov ntsiab lus tseem ceeb ntawm cov refiner zeb, kuj tau tsim sai heev. Txoj kev loj hlob ntawm thermal sib tsoo discs pib nyob rau hauv nruab nrab -1930s thiab muaj keeb kwm ze li ntawm 70 xyoo los txog rau niaj hnub no. Kev sib tsoo discs ntawm thawj tiam ntawm refiner mills yog tsim los ntawm kev sib tsoo cov hniav ntawm ib tug cam khwb cia disc. Thaum ntxov xyoo 1950, tom qab kev taw qhia ntawm kev sib tsoo discs ntsia rau ntawm kev sib tsoo disc, cov hniav profile ntawm cov hniav sib tsoo tau ncaj qha nrum thiab tsim thiab ua tiav los ntawm cov tuam txhab kev tshaj lij.
Mechanism ntawm kev ua
Fiber yog lub hauv paus zoo ntawm nruab nrab ntom ntom fiberboard, thiab cov txheej txheem sib tsoo refiner yog txheej txheem tseem ceeb hauv tag nrho cov txheej txheem tsim khoom. Tus yuam sij rau kev cuam tshuam rau kev ua tau zoo thiab lub peev xwm ntawm lub refiner zeb yog nyob rau hauv kev sib tsoo disc, uas tuaj yeem hais tau tias yog qhov tseem ceeb tshaj plaws thiab muaj zog tshaj plaws hauv lub tshuab refiner. Kev sib tsoo discs ntawm lub refiner zeb, thaum sib cais fibers, kuj ua rau hnav thiab tseem ceeb hnav. Thaum lub sij hawm tag nrho cov kev pab cuam lub neej ntawm lub refiner zeb, tus nqi ntawm kev hloov cov kev sib tsoo disc txawm tshaj tus nqi muas ntawm lub refiner zeb. Yog li ntawd, kev nkag siab txog kev hnav cov txheej txheem ntawm kev sib tsoo disc yog qhov tseem ceeb rau kev tsim, tsim, thiab xaiv cov kev sib tsoo kom raug.
Hnav mechanism
Sib tsoo disc hnav muaj ob qho tib si thiab tshwj xeeb ntawm kev hnav hlau dav dav, feem ntau yog qhov nyuaj dua, nyuaj rau kev soj ntsuam thiab kwv yees, thiab nyuaj rau simulate thiab rov tsim dua. Kev hnav ntawm kev sib tsoo discs tsis yog tsuas yog cuam tshuam nrog cov yam ntxwv ntawm cov khoom siv fiber ntau, tab sis kuj rau cov yam ntxwv thiab qhov ntau ntawm cov khoom siv fiber ntau, nrog rau ntau yam xws li cov txheej txheem ntawm kev sib tsoo refiner thiab kev ua haujlwm raug ntawm thermal. zeb. Fiber sib cais yog ua tiav nyob rau hauv ib tug high-temperature, high-pressure, high-ceev, thiab tag nrho kaw system, thiab nws yog ib qho nyuaj heev los soj ntsuam kev hnav ntawm fiber ntau sib cais thiab sib tsoo discs. SUNDS, lub tuam txhab Swedish, ib zaug sim lub pob tshab sib tsoo chamber lub cev grinder los soj ntsuam cov txheej txheem fiber ntau, tab sis cov nyhuv tsis zoo tagnrho. Vim muaj ntau qhov tsis sib xws hauv cov txheej txheem sib tsoo kub thiab cov kev ua haujlwm nyuaj thiab sib txawv, qee cov neeg tau tsim cov kev sib tsoo disc hnav kuaj tshuab los kawm txog qhov hnav ntawm qhov sib tsoo disc. Txawm li cas los xij, vim muaj ntau qhov sib txawv, simulating kev ua haujlwm ntawm kev sib tsoo disc yog deb ntawm qhov tseeb qhov teeb meem nrog kev hloov pauv. Yog li ntawd, kev tshawb fawb thiab kev tsom xam ntawm kev sib tsoo disc hnav yog txwv. Muaj ntau yam cuam tshuam rau kev hnav ntawm kev sib tsoo disc, thiab nws yog ib qho nyuaj rau kev soj ntsuam thiab kuaj, uas ua rau muaj ntau yam teeb meem rau kev kawm txog kev sib tsoo disc hnav. Yog li ntawd, tsim kom muaj kev sib txuas lus meej thiab yooj yim ntawm kev sib tsoo discs thiab hnav tsis kam tseem tsis tau ua tiav.
Cov koom haum tshawb fawb thiab kev txhim kho ntsig txog
Andritz AG, Austria
Tuam Tshoj Nantong Huayan Foundry Co., Ltd
Tuam Tshoj Engineered ntoo Machinery Factory
Finnish Metso Company
Khoom zoo
Txij li thaum cov neeg Swedes tau tsim txoj kev sib tsoo refiner hauv xyoo 1940, cov hlau sib tsoo ntawm lub tshuab ua kom zoo tau ntsib ntau tshaj li ib nrab xyoo ntawm kev txhim kho. Kev hloov ntawm cov khoom ntawm nws cov kev sib tsoo disc yog ib txoj kev loj hlob los ntawm cam khwb cia hlau mus rau cam khwb cia hlau, los ntawm ib tug tib hlau mus rau ib tug alloy, los ntawm ib tug high hardness mus rau kev ua hauj lwm yam ntxwv, los ntawm ib tug kuj rau txhua yam hnav rau ib txhij corrosion hnav, los ntawm kev kho cua sov mus rau alloying los txhim kho kev ua haujlwm. Los ntawm kev sib piv cov hnav tsis kam ntawm stainless hlau sib tsoo discs, ntau alloy sib tsoo discs, thiab siab chromium cam khwb cia hlau sib tsoo discs, cov qhabnias qhia tau hais tias ntau alloy sib tsoo discs thiab siab chromium cam khwb cia hlau sib tsoo discs muaj zoo hnav tsis kam tshaj stainless hlau sib tsoo discs. Tsis muaj kev vam meej ntawm cov ntaub ntawv yas thiab cov khoom siv polymer sib tsoo uas tau kawm yav dhau los.
Muaj nuj nqi Taw qhia
Cov txheej txheem kub sib tsoo yog txheej txheem tseem ceeb hauv fiberboard ntau lawm. Kev siv hluav taws xob tso nyiaj rau 35-45 feem pua , thiab kev siv hluav taws xob rau 15-20 feem pua . Cov xwm txheej ua haujlwm ntawm lub tshuab refiner muaj feem cuam tshuam rau qhov zoo thiab cov nqi tsim khoom ntawm fiberboard.
Cov kev cai rau kev sib tsoo discs
Iav sib tsoo:
Sib tsoo cov hniav yog qhov sib tsoo ntawm qhov sib tsoo disc uas cais cov fibers, thiab nws kuj yog qhov tseem ceeb tshaj plaws ntawm kev sib tsoo disc. Muaj ntau hom kev sib tsoo cov hniav, uas tuaj yeem muab faib ua ob pawg raws li cov kev taw qhia ntawm cov hniav sib tsoo: oblique cov hniav, zigzag hniav (ib tus hniav), thiab cov hniav ncaj (ob tug hniav).
Lub hauv paus tsim rau kev sib tsoo cov hniav feem ntau suav nrog kev siv fiber ntau, kev ua tau zoo, kev tsim khoom, cov khoom siv fiber ntau, kev sib tsoo disc tig, thiab cov txheej txheem kev sib tsoo refiner.
Kev tsim cov hniav sib tsoo rau cov tawv fiberboard, mos fiberboard, thiab nruab nrab ntom fiberboard yog txawv kiag li. Txawm li cas los xij, tsis hais hom kev sib tsoo cov hniav, qhov yuav tsum tau muaj zog, hnav tsis kam, cuam tshuam tsis kam, regrinding, nws tus kheej sharpening, thiab zoo zoo thiab siab yield ntawm cov fibers sib cais yog zoo ib yam.
Daim ntawv kev faib tawm ntawm kev sib tsoo disc hniav profile tsis muaj nyob rau hauv kev sib cais, tab sis feem ntau tshwm nyob rau hauv kev sib xyaw ua ke hauv kev tsim khoom tiag tiag raws li kev xav tau.
HY Hlais fin (TM) series
--- Tsim nyog rau kev sib tw pub dawb, sai txo qhov hnyav ntub ntawm cov fibers ntev nyob rau hauv qis zog noj, uas muaj txiaj ntsig zoo rau kev txhim kho kev sib luag.
HY Broom fin (TM) broom fin series
---Suitable rau me ntsis nplaum nplaum, nrog rau cov nyhuv ntawm fiber ntau splitting thiab brooming, uas yog tsim nyog rau kev txhim kho qhov ntaus degree.
HY Soft Fin (TM) series
---Suitable rau luv fiber ntau pulp, nrog tsis muaj zog txiav nyhuv, tuav fiber ntau ntev thiab txo qhov hnyav poob.
HY Ease fin (TM) tso tawm fin series
---Suitable rau ntau hom slurries, muaj zog dispersing thiab twj tso kua mis muaj peev xwm, txo hwj chim noj thiab txhim kho yield.
Casting zoo:
Txawm hais tias cam khwb cia hlau thiab cam khwb cia hlau nrog qhov sib ntxiv ntawm ntau cov ntsiab lus alloying tuaj yeem txhim kho lawv cov kev ua tau zoo, lawv qhov kev ua tau zoo casting deteriorates thiab nce nrog nce ntawm cov ntsiab lus alloy. Sib tsoo discs yog nyias-walled, complex nyob rau hauv cov duab, thiab castings nrog rau cov kev hloov tseem ceeb nyob rau hauv cross-sectional qhov ntev, ua rau casting nyuaj. Txawm li cas los xij, vim yog kev ua haujlwm ntawm kev sib tsoo disc, tsis muaj qhov cuam tshuam Casting raug tso cai hauv kev sib tsoo, txwv tsis pub cov kev sib tsoo disc ntawm cov khoom siv zoo yuav poob nws cov nqi siv.
Machining qhov tseeb:
High-precision sib tsoo disc yog ib qho tseem ceeb rau kev ua kom muaj fiber ntau sib cais thiab txhim kho qhov hnav tsis kam ntawm kev sib tsoo disc. Lub thickness ntawm tib txheej sib tsoo discs, flatness ntawm lub installation puag nto thiab cov hniav saum toj kawg nkaus dav hlau, thiab cov parallelism ntawm ob yog tag nrho cov yuav tsum tau siab heev, sib npaug rau Appendix B ntawm GB / T1184-1996 " Daim ntawv thiab txoj hauj lwm kam rau ua"; Thiab cov kev cai rau qib 6 thiab 4 hauv Bs. Qhov roughness ntawm cov dav hlau saum toj no kuj yuav tsum tau ua kom zoo zoo rau Ral rau.
Ntsuas Precision:
Nyob rau hauv lub rotor muaj xws li refiner zeb spindle, rotating disc, sib tsoo disc, thiab coupling, cov duab symmetry ntawm kev sib tsoo disc qauv yog tsis zoo, tus ntoo khaub lig-section yog complex, variation yog loj, thiab kev sib dhos yuam kev kuj tseem ceeb dua. tshaj lwm yam khoom. Yog li ntawd, qhov cuam tshuam ntawm qhov sib npaug ntawm qhov sib npaug thiab zoo li qub ntawm lub rotor yog qhov loj tshaj, yog li qhov yuav tsum tau muaj rau qhov sib npaug ntawm qhov sib tsoo disc yog qhov tseem ceeb tshwj xeeb.
Service voj voog ntawm kev sib tsoo discs:
Lub neej kev pabcuam (durability) ntawm kev sib tsoo disc yog hais txog lub sijhawm ua haujlwm zoo txij li lub sijhawm sib tsoo tshiab tau muab tso rau hauv kev siv rau nws qhov tsis ua haujlwm. Lub cim ntawm kev sib tsoo disc tsis ua haujlwm yog tias kev sib tsoo disc tau poob nws txoj haujlwm thiab tsis tuaj yeem ua tiav qhov kev xav tau. Yog tias nws tseem siv tau, nws yuav ua rau muaj kev nyab xeeb lossis tsis muaj nyiaj txiag.
Tsis muaj kev sib koom ua ke rau kev txiav txim siab tsis ua haujlwm ntawm kev sib tsoo disc. Feem ntau, lub hauv paus rau kev hloov cov kev sib tsoo disc yog ib qho tseem ceeb ntawm qhov tam sim no ntawm lub ntsiab lub cev muaj zog ntawm lub thermal zeb, ib qho tseem ceeb nce nyob rau hauv coarse fibers, ib tug txo nyob rau hauv fiber ntau zoo, thiab txo nyob rau hauv fiber ntau lawm.
Kev sib tsoo discs lossis cov hniav sib tsoo tawg yog suav tias yog qhov ua tsis tiav.
Kev xaiv ntawm kev sib tsoo discs:
Kev xaiv ntawm kev sib tsoo discs yuav tsum xav txog ntau yam cuam tshuam thiab ua kom zoo dua nrog cov xwm txheej tsim khoom tiag tiag. Nws tsis pom zoo kom ua raws li ib qho kev qhia ntawm kev sib tsoo disc. Kev sib tsoo discs zoo yuav tsum hnav-tiv taus, cuam tshuam resistant, cavitation resistant, nrog zoo tag nrho cov kev ua tau zoo, lub neej ntev kev pab cuam, zoo casting zoo, siab ua raug, ruaj khov lag luam, zoo pulp fiber morphology, siab yield, thiab tsawg zog noj.
