Nyob rau hauv keeb kwm yav dhau ntawm kev hloov pauv sai thiab txawj ntse ntawm kev lag luam papermaking, kev ua haujlwm ntawm cov ntawv phaj, raws li cov cuab yeej tseem ceeb ntawm kev lag luam, ncaj qha cuam tshuam rau kev sib tw ntawm cov lag luam. Los ntawm kev sib xyaw ua ke ntawm thev naus laus zis optimization, txheej txheem reengineering thiab tswj innovation, kev tsim khoom ntawm niaj hnubkev kub ceev ntawv phaj ua tshuabtau txais kev txhim kho zoo heev. Los ntawm plaub qhov ntev ntawm cov khoom siv optimization, txheej txheem parameter tswj, ntse transformation thiab ntau lawm tswj innovation, txoj kev txhim kho efficiency yog tshawb systematically.
1. Cov Khoom Siv Ua Haujlwm Zoo Tshaj Plaws: Los ntawm kev tsim kho tshuab mus rau kev kho dua tshiab
1.1 Lub teeb yuag, siab -Lub zog Core Cheebtsam
cam khwb cia hlau yog feem ntau ua hauj lwm nyob rau hauv ib txwm ntawv ua tshuab raws li ib feem ntawm xovxwm yob thiab tshuab ziab khaub ncaws, uas muaj siab inertial poob vim qhov hnyav. Cov cuab yeej siv niaj hnub siv siab - lub zog alloy steel lossis cov khoom sib xyaw kom txo tau qhov hnyav thaum tswj kev ua haujlwm zoo. Piv txwv li, cov xovxwm yob tsim tshiab nrog hollow forging tshuab txo qhov hnyav los ntawm 30% piv rau cov qauv ua qauv, txo kev pib lub zog siv los ntawm 15%, thaum tuav lub deformation tswj precision ntawm 0.3mm ntawm 1,200 m / min.
Raws li qhov tseem ceeb ntawm kev hloov hluav taws xob, lub tog raj kheej tshuab ziab khaub ncaws ncaj qha cuam tshuam rau kev ziab kom qhuav. Tus tshiab ob chav clamped lub tog raj kheej tsim, txheej sab hauv yog siv rau qhov kub thiab txias lub voj voog, txheej txheej yog siv rau lub voj voog roj kub, thiab qhov kub thiab txias gradient tswj tau raug. Daim ntawv saum npoo kub tsis sib xws tau nce los ntawm 20%, lub sijhawm ziab kom luv los ntawm 18%, txo cov ntawv tsis xws luag los ntawm lub zos overheating.
1.2 Precision Transmission System hloov khoom dua tshiab
Ib txwm siv tshuab kis tau tus mob muaj teeb meem ntawm lub zog loj poob thiab cov lus teb qeeb qeeb. Niaj hnubkev kub ceev ntawv phaj ua tshuabtxais servo lub cev muaj zog ncaj qha- tsav tshuab, thiab qhov tseeb ntawm qhov chaw ± 0.01mm los ntawm kev tawm tswv yim encoder. Piv txwv li, nyob rau hauv daim ntawv nruj tswj, ib tug plaub - lub cev muaj zog synchronous tsav system ua ke nrog laser nyob deb ntsuas ntsuas tswj nro hloov nyob rau hauv ± 0.5N, zoo tiv thaiv ntawv instability induced rupture.
Hauv ntu xovxwm, cov txheej txheem nias txuas ntxiv ua rau qhov ntev ntawm qhov chaw nias rau 250mm (piv rau 50mm hauv ib txwm nias), ua kom lub sijhawm dewatering tsib npaug. Ua ke nrog 1.2 MPa siab - cov dej siv rov ua dua tshiab, nws txuag tau 30% ntawm cov dej hauv ib tuj ntawm daim ntawv, thaum ua kom cov ntawv qhuav los ntawm 2 feem pua cov ntsiab lus thiab txo cov pa noj los ntawm 15% thaum lub sij hawm ziab tom ntej.
2. Txheej txheem Parameter Control: Los ntawm Empirical Operation to Data-Driven Management
2.1 Intelligent Headbox Regulation
Raws li "lub plawv" ntawm daim ntawv tsim, lub headbox plays lub luag haujlwm tseem ceeb hauv daim ntawv sib xws ntawm daim ntawv. Hyundai ntiav dilution dej headboxes nrog online sib xws detectors thiab inverter twj tso kua mis kom ua tiav lateral sib txawv deviations Tsawg dua los yog sib npaug rau 0.2%. Piv txwv li, ib tug qauv nrog 36 nws tus kheej dilution dej li qub tau ua tiav kev hloov kho nyob rau hauv 0.2 vib nas this, txo cov coefficient ntawm variation (CV) ntawm daim ntawv uniformity ntawm 1.8% mus rau 1.2%.
Txhawm rau kom paub txog kev tswj hwm ntawm filament dav hlau piv, laser Doppler velocimeters saib cov pulp ntws tshaj tawm hauv lub sijhawm thiab siv PID algorithms los kho cov twj tso kua mis zaus. Qhov kaw no - lub voj kaw lus txo qhov nrawm piv ntawm qhov hloov pauv ntawm + -0.5% mus rau + -0.2%, txo qhov tsis xws luag xws li daim ntawv qhov thiab cov quav uas tshwm sim los ntawm kev sib tw nrawm.
2.2 Kev ua kom lub zog ua kom zoo nyob rau hauv Cov Txheej Txheem Qhuav.
Cov tshuab ziab khaub ncaws ua tau zoo siv lub zog ruaj khov, uas feem ntau nkim zog. Cov tshuab niaj hnub nruab qhov ntsuas kub ntsuas ntsuas ntsuas ntsuas ntsuas qhov ntsuas lub tog raj kheej ntawm cov tshuab ziab khaub ncaws thiab siv fuzzy tswj algorithms los kho qhov chaw qhib lub qhov cub. kev khiav hauj lwm ceev ntawm 1,500 meters permin, thev naus laus zis txo cov chav noj ntawm 2.8t / t rau 2.3t / t, txuag ntau tshaj $ 1 lab hauv cov nqi hluav taws xob txhua xyoo.
Hauv cov tshuab ziab khaub ncaws, qhov hloov pauv zaus thiab cov khoom siv hluav taws xob pov tseg tuaj yeem ua tiav cov cua sov ua haujlwm 65%. Hloov cov cua sov nrog cua tshiab txo cov pa cua kub ntawm 120℃mus rau 80 degree, thaum ntse cua ntim tswj txo cov kiv cua siv zog los ntawm 40% thaum tswj kom qhuav.
3. Kev hloov pauv txawj ntse: Los ntawm kev tswj hwm ib leeg mus rau kev sib koom ua ke
3.1 Digital ntxaib rau cov txheej txheem ntau lawm
Ntau tshaj 200 sensors mounted ntawm cov khoom tseem ceeb (kev co, kub, thiab lwm yam) Koj tuaj yeem ua ib daim ntawv luam ntawm lub tshuab. Daim ntawv theej no tuaj yeem simulate lub tshuab tiag tiag ua haujlwm tib lub sijhawm. Lub kaw lus tuaj yeem kwv yees cov teeb meem tshwm sim 48 teev ua ntej lawv tshwm sim. Cov teeb meem no suav nrog kev coj tus kheej lossis lub iav tsis ua haujlwm. Ib lub tuam txhab siv qhov system no. Tom qab ntawd, lawv lub sijhawm tsis tau npaj tseg tau nqis los ntawm 12 teev hauv ib hlis mus rau 3 teev hauv ib hlis. Lawv tag nrho cov cuab yeej siv tau zoo tau nce 18%.
Rau kev tswj kom zoo, lub tshuab tsis pom kev thiab kev kawm sib sib zog nqus siv lub koob yees duab siab - ceev uas siv 5,000 duab ib ob. Cov tshuab no tuaj yeem pom qhov tsis xws luag uas yog 0.5mm dav lossis loj dua. Lawv qhov tseeb tuaj yeem ua tau zoo li 0.1 hli. Lub kaw lus cim qhov chaw tsis raug ntawm nws tus kheej. Nws kuj qhia tus slitter pov tseg qhov phem. Qhov no tsa cov khoom dhau los ntawm 92% mus rau 98.5%.
3.2 Intelligent Warehousing thiab logistics
AGV tsheb siv RFID (xov tooj cua zaus txheeb xyuas) ua haujlwm. Lawv ua hauj lwm ua ke nrog tsis siv neeg cia tshuab. WMS software npaj cov ntaub ntawv kom npaj tau 2 teev ua ntej lub sijhawm tsim khoom hais tias lawv xav tau. Qhov no txiav lub sijhawm hloov daim ntawv yob los ntawm 15 feeb mus rau 3 feeb. Hauv cov khoom lag luam tiav, cov khoom siv ntse cranes ua haujlwm nrog WMS. Qhov no automates cov khoom tuav. Nws nce tus nqi hloov pauv los ntawm 30%.
4. Kev tswj hwm kev tsim kho tshiab: los ntawm Local Optimization los muab cov saw sib koom ua ke
4.1 Kev Ua Haujlwm Lean Production
Tus nqi kwj daim phiaj qhia qhia txog kev tsim cov fwj dej thiab txo qis kev hloov pauv ntawm 120 feeb mus rau 45 feeb los ntawm cov txheej txheem txheej txheem thiab cov cuab yeej tshwj xeeb uas siv SMED (ib feeb hloov pwm). APS (Advanced Planning and Scheduling) systems tau nce kev ua raws li cov phiaj xwm ntau lawm los ntawm 85 feem pua rau 95 feem pua, suav nrog kev txiav txim siab ua ntej, cov khoom siv raws li txoj cai thiab cov khoom muag qib.
4.2 Tag Nrho Ntau Lawm Kho
Lub tshuab ua haujlwm automated integrates tu, tshuaj xyuas thiab lubrication cov haujlwm rau hauv KPIs tus neeg teb xov tooj. Mobile txij nkawm apps tuaj yeem xa cov ntaub ntawv soj ntsuam hauv lub sijhawm tiag tiag thiab ceeb toom ntawm qhov tsis txaus ntseeg. Ib lub lag luam tau nce lub sijhawm poob qis los ntawm 200 mus rau 500 teev thiab txo tus nqi txij nkawm los ntawm 35% los ntawm TPM.
kev txhim kho txuj ci, peb - theem kev cob qhia kev sib txuas cov kev kawm theoretical, virtual reality simulation thiab kev xyaum ua haujlwm tau txais yuav. VR-raws li kev sim ua txhaum cai txo cov kev cob qhia ntawm cov neeg ua haujlwm tshiab los ntawm 3 mus rau 1 lub hlis, thaum nce cov ntawv pov thawj ntawm kev txawj ua haujlwm mus rau 90%.
V. Techno-Kev tsom xam nyiaj txiag
Rau 200,000-tonne / xyoo ntawv cov kab ntau lawm uas tau hloov kho:
Equipment efficiency: nce nyob rau hauv kev khiav hauj lwm ceev ntawm 1,000 m / min mus rau 1,500 m / min, thiab 50 feem pua nce nyob rau hauv txhua hnub ntau lawm;
Kev txuag hluav taws xob: 17.8% txo qis hauv evaporation ib chav tsev ntawm cov khoom thiab 15 feem pua ntawm kev siv hluav taws xob;
Kev txhim kho kev ua tau zoo: Tus nqi tsis raug txo los ntawm 6.5 feem pua cov ntsiab lus, txuag ntau tshaj 10 lab yuan ib xyoos hauv kev poob zoo;
Cov nqi zog qis dua: Automation txo cov neeg ua haujlwm los ntawm 20, txuag $ 2 lab hauv cov neeg ua haujlwm txhua xyoo.
Lub sij hawm them nyiaj rov qab tsuas yog 2.3 xyoo, nrog tus nqi rov qab los (IRR) 28%, ua kom pom kev lag luam muaj zog.
Xaus:
Lub efficiency ntawmkev kub ceev ntawv phaj ua tshuabqhia txog kev sib koom ua ke ntawm kev txhim kho thev naus laus zis thiab kev tswj hwm kev tsim kho tshiab. Los ntawm kev siv cov khoom siv sib sib zog nqus, kev tswj cov txheej txheem ntse, digitization ntawm cov txheej txheem ntau lawm thiab kev tswj hwm leanliness, niaj hnub ntawv phaj ntau lawm kab tau hloov los ntawm "scale ceev" mus rau "zoo efficiency". Nrog rau kev sib koom ua ke ntawm kev lag luam hauv Internet thiab kev txawj ntse technology,kev kub ceev ntawv phaj ua tshuabyuav tsim nyob rau hauv ib tug sai, tsawg zog noj thiab ntse kev taw qhia nyob rau hauv lub neej yav tom ntej, uas yuav txhawb kev loj hlob ntawm kev lag luam papermaking.