Kev lag luam pulp thiab ntawv yog qhov tseem ceeb rau kev ua cov khoom siv niaj hnub xws li phau ntawv, ntawv phuam, thiab ntim khoom. Txhawm rau ua kom cov chaw tsim khoom no ua haujlwm zoo thiab ua tau zoo, ntau tus cia siab rau Siemens VFDs (Variable Frequency Drives). Siemens VFDs yog cov cuab yeej muaj zog uas tswj xyuas qhov ceev ntawm lub tshuab hluav taws xob, pab cov ntaub so ntswg thiab cov ntawv zeb txuag hluav taws xob, txhim kho cov khoom zoo, thiab txo cov sij hawm poob. Hauv qhov blog no, peb yuav tshawb xyuas seb Siemens VFDs ua haujlwm li cas nrog peb lub tshuab tseem ceeb hauv kev tsim cov ntawv thiab cov ntawv: refiners, headboxes, thiab winder drives. Peb kuj tseem yuav piav qhia vim li cas Siemens VFDs yog qhov kev xaiv zoo tshaj plaws rau cov zeb thoob ntiaj teb, nrog rau cov qauv siv tau thiab cov txiaj ntsig tseem ceeb rau cov tswv thiab cov tswv lag luam.
Dab tsi yog Siemens VFDs, thiab Vim Li Cas Pulp Mills Xav Tau Lawv?
Ua ntej, cia peb rhuav tshem qhov Siemens VFD yog dab tsi. Lub Variable Frequency Drive (VFD) yog ib qho khoom siv hluav taws xob uas kho qhov zaus thiab qhov hluav taws xob xa mus rau lub tshuab hluav taws xob. Qhov no txhais tau tias nws tuaj yeem hloov lub cev muaj zog kom haum raws li qhov xav tau ntawm lub tshuab- tsis tas siv lub zog los ntawm kev khiav lub cev muaj zog ntawm qhov nrawm thaum nws tsis tas yuav. Siemens yog ib lub ntiaj teb cov tuam txhab lag luam saum toj kawg nkaus ntawm VFDs, nrog nws tsev neeg SINAMICS ntawm cov tsav tsheb tsim los ua haujlwm hauv cov chaw lag luam nyuaj xws li cov ntawv thiab cov ntawv zeb. Siemens VFDs paub txog lawv txoj kev ntseeg siab, kev siv hluav taws xob, thiab kev ua haujlwm yooj yim, uas yog vim li cas lawv tau siv ntau txhiab daim ntawv thiab cov ntaub ntawv thoob ntiaj teb.
Pulp thiab ntawv mills ntsib teeb meem loj: nce nqi zog, nruj ib puag ncig cov cai, thiab yuav tsum tau ua kom siab - cov khoom zoo tsis tu ncua. Siemens VFDs pab daws cov teeb meem no los ntawm kev ua kom lub cev muaj zog ua haujlwm zoo. Lawv txo qis kev siv hluav taws xob txog li 50% hauv qee daim ntawv thov, uas txo cov nqi hluav taws xob thiab txo qis cov pa roj carbon hneev taw. Lawv kuj ua rau cov cav tov ua haujlwm zoo dua, txo qhov hnav thiab tsim kua muag thiab txo qis kev puas tsuaj. Rau cov mills uas tso siab rau cov refiners, headboxes, thiab winder drives -peb lub tshuab uas cuam tshuam ncaj qha rau cov khoom zoo-Siemens VFDs tsis yog ib qho cuab yeej xwb tab sis yog qhov tsim nyog.
Siemens VFDs hauv Kev Ua: Cov Tshuab Tseem Ceeb hauv Pulp thiab Ntawv Sau
Txhua kauj ruam hauv kev tsim cov ntaub ntawv thiab cov ntawv tseem ceeb, tab sis cov refiners, headboxes, thiab winder drives yog qhov tseem ceeb tshaj plaws. Cia peb saib yuav ua li cas Siemens VFDs txhim kho txhua lub tshuab no, nrog rau tiag tiag - cov txiaj ntsig hauv ntiaj teb uas ua rau muaj qhov sib txawv rau cov mills.
Siemens VFDs rau Pulp thiab Ntawv Refiners
Refiners yog lub plawv ntawm kev tsim cov pulp. Lawv txoj hauj lwm yog muab cov ntoo chips los yog cov ntawv rov ua dua tshiab rau hauv cov ntaub ntawv du, uas yog siv los ua ntawv. Txhawm rau kom tau txais cov ntaub ntawv zoo, cov neeg ua haujlwm refiners xav tau kev tswj xyuas meej ntawm lawv cov kev ceev - nrawm heev, thiab cov pulp yuav zoo dhau lawm; qeeb heev, thiab tej zaum yuav ntxhib dhau. Qhov no yog qhov uas Siemens VFDs ci. Siemens VFDs rau pulp thiab ntawv refiners tso cai rau cov neeg ua haujlwm kho cov refiner ceev hauv me me increments, kom cov pulp ua tau raws li cov qauv zoo txhua zaus.
Ua ntej Siemens VFDs, ntau lub refiners khiav ntawm qhov nrawm nrawm, uas ua rau lub zog tsis zoo thiab ua rau lub cev tsis sib xws. Tam sim no, nrog Siemens VFDs, refiners tuaj yeem qeeb thaum qhov kev thov qis lossis thaum ua cov ntaub ntawv softer thiab ceev thaum xav tau. Qhov no tsis tsuas yog txuag lub zog tab sis kuj txo qhov hnav ntawm lub tshuab ua kom cov hniav, txuas lub tshuab lub neej. Piv txwv li, lub tshuab pulp hauv Sweden tau siv Siemens VFDs los hloov cov twj tso kua mis ib txwm siv ntawm nws cov twj tso kua mis thiab pom kev txuag hluav taws xob ntau dua 50% nrog lub sijhawm them rov qab tsuas yog ob xyoos xwb. Siemens VFDs kuj ua kom cov refiners yooj yim rau kev khiav lag luam, nrog cov kev tswj yooj yim uas cia cov neeg ua haujlwm kho cov chaw sai sai thiab txo tib neeg kev ua yuam kev.
Siemens Variable Frequency Drives rau Headbox Drives
Tom qab cov pulp tau ua kom zoo dua qub, nws txav mus rau lub taub hau- lub tshuab uas kis tau cov ntaub so ntswg sib npaug mus rau cov xaim txav los ua daim ntawv. Lub taub hau lub taub hau txoj hauj lwm yog qhov tseem ceeb: yog tias cov pulp ntws tsis sib xws, daim ntawv yuav tuab nyob rau hauv qee qhov chaw thiab nyias hauv lwm tus, ua rau nws siv tsis tau. Headboxes cia siab rau lub cev muaj zog los tswj cov dej ntws thiab siab ntawm cov ntaub so ntswg, thiab Siemens hloov pauv zaus tsav rau lub taub hau tsav kom ntseeg tau tias qhov kev tswj no yog qhov tseeb thiab zoo ib yam.
Siemens VFDs kho qhov ceev ntawm lub headbox lub motors nyob rau hauv lub sij hawm ntawm lub sij hawm, ua kom lub pulp ntws tsis tu ncua txawm tias ntau lawm xav tau hloov. Lawv kuj pab tswj kom muaj lub siab tsis tu ncua, uas yog qhov tseem ceeb rau kev ua cov ntawv du, zoo ib yam. Nyob rau hauv lub thawv loj loj hauv Suav teb, Siemens SINAMICS S120 VFDs tau siv los tswj lub taub hau thiab lwm lub tshuab tseem ceeb, txo cov ntawv so thiab ua kom cov khoom tso tawm ntau heev. VFDs 'siab-kev tswj ceev ceev kom ntseeg tau tias cov pulp ntws sib npaug, ua rau siab dua -boxboard zoo. Siemens VFDs kuj sib txuas tau yooj yim nrog lwm lub tshuab zeb, ua kom yooj yim rau kev saib xyuas thiab kho lub taub hau los ntawm chav tswj hauv nruab nrab.
Siemens VFDs los txhim kho Winder Drive Efficiency
Cov kauj ruam kawg hauv kev tsim cov ntawv yog winding cov ntawv tiav rau hauv yob siv winder drives. Winder tsav yuav tsum tswj qhov nro ntawm daim ntawv raws li nws tau dov - nro ntau dhau, thiab daim ntawv kua muag; tsawg dhau, thiab yob yog xoob thiab tsis sib xws. Siemens VFDs los txhim kho lub zog tsav winder yog tsim los daws qhov kev sib tw nrog qhov tseeb.
Siemens VFDs kho lub winder lub cev muaj zog kom haum rau qhov ceev ntawm daim ntawv, ua kom nruj nruj raws li txoj kev winding. Lawv kuj tso cai rau cov tswv lag luam los tsim cov txheej txheem sib txawv rau cov ntawv sib txawv, los ntawm cov ntaub so ntswg mus rau cov ntawv tuab tuab. Qhov yooj yim no ua rau winder tsav ntau yam thiab txo cov khib nyiab los ntawm torn los yog qhov txhab tsis zoo. Ib txoj kev tshawb fawb ntawm cov tshuab cua ib txwm pom tau hais tias ntxiv Siemens VFDs txhim kho kev ua haujlwm zoo los ntawm kev txo cov khoom siv hluav taws xob thaum lub sijhawm tsis ua haujlwm thiab ua kom muaj zog dua qub, uas rov ua dua lub zog dhau mus rau hauv lub tshuab hluav taws xob. Siemens VFDs kuj txo qhov hnav ntawm cov khoom siv winder, txiav cov nqi tu thiab txo qis sijhawm.
Vim li cas thiaj xaiv Siemens VFDs rau Pulp Mill Operations?
Siemens VFD cov kev daws teeb meem rau kev ua haujlwm ntawm lub tshuab pulp sawv tawm rau peb lub laj thawj tseem ceeb: kev txuag hluav taws xob, kev ntseeg siab, thiab kev siv yooj yim. Cia peb nkag mus rau hauv txhua qhov txiaj ntsig thiab saib seb lawv pab cov paj ntoo thiab cov ntawv zeb ua tiav li cas.
Zog-Txuag Siemens VFDs hauv Ntawv Sau
Lub zog yog ib qho ntawm cov nqi loj tshaj plaws rau cov paj ntoo thiab cov ntawv zeb, yog li kev txuag hluav taws xob ncaj qha boosts profits. Zog-txuag Siemens VFDs hauv cov ntawv ntau lawm txo qis kev siv hluav taws xob los ntawm kev sib piv lub cev muaj zog rau kev thov. Tsis zoo li cov motors ib txwm khiav ntawm kev ceev txhua lub sijhawm, Siemens VFDs qeeb lub zog thaum lawv tsis xav tau, txiav hluav taws xob siv los ntawm 20% mus rau 50% hauv ntau daim ntawv thov. Piv txwv li, ib lub zeb siv Siemens VFDs ntawm nws cov twj thiab cov kiv cua tuaj yeem txuag tau ntau txhiab nyiaj hauv cov nqi hluav taws xob txhua xyoo. Siemens VFDs kuj tseem txhawb nqa rov tsim dua tshiab, uas khaws lub zog los ntawm kev ua kom lub cev muaj zog thiab rov qab mus rau hauv lub tshuab hluav taws xob, ntxiv txo cov nqi hluav taws xob. Qhov no tsis tsuas yog txuag nyiaj xwb tab sis kuj tseem pab cov mills ua tau raws li cov hom phiaj ib puag ncig los ntawm kev txo qis carbon emissions.
Kev ntseeg tau thiab kev saib xyuas yooj yim ntawm Siemens VFDs
Pulp thiab ntawv mills khiav 24/7, yog li downtime yog kim. Siemens VFDs yog tsim los txhim khu kev qha, nrog cov qauv tsim uas ua rau kev saib xyuas yooj yim. Piv txwv li, SINAMICS S120 series, muaj lub chaw tswj xyuas uas tuaj yeem txheeb xyuas cov khoom, ua kom sai rau kev daws teeb meem thiab kho cov teeb meem. Siemens VFDs kuj tau tsim- hauv kev tiv thaiv rau lub cev muaj zog, xws li overvoltage thiab overcurrent tiv thaiv, uas tiv thaiv kev puas tsuaj rau ob qho tib si VFD thiab lub cev muaj zog. Qhov no txo qhov kev xav tau ntawm kev kho ntau zaus thiab ncua lub neej ntawm cov khoom siv zeb. Tsis tas li ntawd, Siemens muaj kev txhawb nqa thoob ntiaj teb thiab kev pabcuam, yog li cov mills tuaj yeem tau txais kev pab sai yog tias lawv muaj teeb meem nrog lawv VFDs.
Tiag -Kev vam meej hauv ntiaj teb nrog Siemens VFDs hauv Pulp Mills
Ntau lub tshuab luam ntawv thiab ntawv tshuab thoob ntiaj teb tau pom cov txiaj ntsig zoo nrog Siemens VFDs. Ib qho piv txwv tseem ceeb yog Lenzing AG, lub tuam txhab Austrian uas siv Siemens VFDs thiab cov kev daws teeb meem digital kom ua tau raws li nws cov hom phiaj kev ruaj khov thiab txhim kho kev ua haujlwm thoob plaws ntiaj teb. Lwm qhov piv txwv yog tus xa ntawv German, Andritz AG, uas tso siab rau Siemens VFDs los tswj nws cov tsav, ua kom lub zog- ua haujlwm tau zoo thiab ua tau raws li cov kev cai tshwj xeeb. Cov ntaub ntawv tshawb fawb no qhia tau hais tias Siemens VFDs tsis yog qhov theoretical xwb -lawv xa cov txiaj ntsig zoo, ntsuas tau rau cov ntawv thiab cov ntawv zeb ntawm txhua qhov ntau thiab tsawg.
Xaus: Siemens VFDs yog lub neej yav tom ntej ntawm Pulp thiab ntawv ntau lawm
Siemens VFDs yog ib qho kev ua si - hloov pauv rau kev lag luam ntawv thiab ntawv. Lawv txhim kho kev ua haujlwm ntawm cov tshuab tseem ceeb xws li refiners, headboxes, thiab winder drives, thaum txuag lub zog, txo qis qis, thiab txhawb cov khoom zoo. Txawm hais tias ib lub zeb tab tom nrhiav txiav cov nqi, ua tau raws li cov qauv ib puag ncig, lossis ua cov ntawv zoo dua, Siemens VFDs muab cov kev ntseeg siab, yooj yim -rau- siv cov tshuaj. Nrog lawv cov ntaub ntawv pov thawj thiab kev txhawb nqa thoob ntiaj teb, Siemens VFDs yog qhov kev xaiv zoo tshaj plaws rau cov ntawv sau thiab cov ntawv zeb uas xav kom muaj kev sib tw hauv kev lag luam niaj hnub no.
Yog tias koj nyob hauv kev lag luam pulp thiab ntawv, kev nqis peev hauv Siemens VFDs yog kev nqis peev hauv koj lub zeb yav tom ntej. Los ntawm refiners mus rau winder drives, Siemens VFDs ua haujlwm seamlessly nrog koj cov cuab yeej los pab koj ua tiav ntau nrog tsawg dua. Sim Siemens VFDs hnub no thiab pom qhov txawv lawv tuaj yeem ua rau koj txoj haujlwm.
