Green Cement Plant Of The Near Future

Robert Shenk, FLSmidth, muab cov ntsiab lus ntawm dab tsi 'ntsuab' cement nroj tsuag tuaj yeem zoo li yav tom ntej.

Ib xyoo caum txij li tam sim no, kev lag luam cement twb zoo li txawv dua li niaj hnub no.Raws li qhov tseeb ntawm kev hloov pauv huab cua txuas ntxiv mus rau hauv tsev, kev sib raug zoo ntawm cov emitters hnyav yuav nce thiab nyiaj txiag yuav ua raws li, yuam cov neeg tsim khoom cement ua.Yuav tsis muaj sijhawm ntxiv los nkaum tom qab lub hom phiaj lossis cov phiaj xwm;thoob ntiaj teb kev kam rau siab yuav tas lawm.Kev lag luam cement muaj lub luag haujlwm ua raws li txhua yam nws tau cog lus tseg.

Raws li tus neeg xa khoom loj tshaj plaws rau kev lag luam, FLSmidth xav tias lub luag haujlwm no tau zoo.Lub tuam txhab muaj cov kev daws teeb meem tam sim no, nrog ntau dua hauv kev txhim kho, tab sis qhov tseem ceeb yog kev sib txuas lus cov kev daws teeb meem rau cov neeg tsim khoom cement.Vim tias yog tias koj tsis tuaj yeem pom tias tsob ntoo cement yuav zoo li cas - yog tias koj tsis ntseeg nws - nws yuav tsis tshwm sim.Kab lus no yog ib qho kev piav qhia ntawm cov cement cog ntawm lub neej yav tom ntej, los ntawm cov chaw txua txiag zeb kom xa.Nws yuav tsis zoo li txawv ntawm cov nroj tsuag uas koj yuav pom hnub no, tab sis nws yog.Qhov sib txawv yog nyob rau hauv txoj kev uas nws tau ua, dab tsi tau muab tso rau hauv nws, thiab qee qhov kev txhawb nqa technology.

Chaw txua txiag zeb
Thaum tag nrho kev hloov pauv ntawm cov chaw txua txiag zeb tsis tau pom dua yav tom ntej, yuav muaj qee qhov sib txawv tseem ceeb.Ua ntej, kev siv hluav taws xob ntawm kev rho tawm thiab thauj khoom - hloov los ntawm diesel mus rau lub tsheb siv hluav taws xob hauv cov chaw txua txiag zeb yog ib txoj hauv kev yooj yim los txo cov pa roj carbon emissions hauv cov txheej txheem cement no.Qhov tseeb, ib txoj haujlwm tsis ntev los no ntawm Swedish chaw txua txiag zeb pom tau tias 98% txo cov pa roj carbon emissions los ntawm kev siv cov tshuab hluav taws xob.

Tsis tas li ntawd, lub chaw txua txiag zeb yuav dhau los ua qhov chaw kho siab vim tias ntau lub tsheb hluav taws xob no tseem yuav muaj kev ywj pheej tag nrho.Qhov kev siv hluav taws xob no yuav xav tau cov khoom siv hluav taws xob ntxiv, tab sis nyob rau hauv kaum xyoo tom ntej, ntau cov cement cog yuav tsum tswj hwm lawv lub zog los ntawm kev tsim cua thiab hnub ci rau ntawm qhov chaw.Qhov no yuav ua kom lawv muaj lub zog huv uas lawv xav tau los siv tsis yog lawv cov chaw txua txiag zeb tab sis ua kom muaj hluav taws xob thoob plaws hauv cov nroj tsuag.

Dhau li ntawm qhov ntsiag to ntawm lub tshuab hluav taws xob, quarries yuav tsis tshwm sim li tibneeg hu tauj coob li nyob rau hauv lub xyoo 'peak clinker', ua tsaug rau kev nce ntxiv ntawm cov khoom siv cementitious ntxiv, nrog rau cov av nplaum calcined, uas yuav tsum tau tham hauv cov ntsiab lus ntxiv tom qab hauv tsab xov xwm.

Sib tsoo
Kev ua haujlwm crushing yuav ntse dua thiab ua haujlwm tau zoo dua, ua kom zoo dua ntawm Kev Lag Luam 4.0 thev naus laus zis kom txuag tau lub zog thiab ua kom muaj ntau tshaj.Lub tshuab kev kawm-tsav lub zeem muag yuav pab tiv thaiv kev thaiv, thaum tseem ceeb ntawm cov khoom siv tawv tawv thiab kev saib xyuas yooj yim yuav ua kom lub sijhawm poob qis.

Kev tswj cov khoom lag luam
Kev sib xyaw ua kom zoo dua yuav ua rau muaj kev tswj hwm tshuaj lom neeg ntau dua thiab kev sib tsoo - yog li qhov tseem ceeb ntawm ntu ntawm cov nroj tsuag no yuav ua rau cov khoom lag luam zoo tshaj plaws.Cov cuab yeej yuav zoo ib yam, tab sis kev tswj xyuas zoo yuav ua kom zoo dua ua tsaug rau kev siv software xws li QCX / BlendExpert ™ Pile thiab Mill, uas pab cov neeg cog qoob loo tau txais kev tswj hwm ntau dua lawv cov khoom noj nyoos.3D qauv thiab ceev ceev, meej tsom xam muab qhov zoo tshaj plaws kev pom nyob rau hauv stockpile muaj pes tsawg leeg, ua kom lub optimization ntawm blending nrog tsawg zog.Tag nrho cov no txhais tau hais tias cov khoom siv raw yuav raug npaj kom siv tau ntau tshaj plaws ntawm SCMs.

Raw sib tsoo
Cov kev sib tsoo nyoos yuav raug tsom rau cov tshuab ntsug ntsug mills, uas muaj peev xwm ua kom muaj zog ntau dua, ua kom muaj txiaj ntsig thiab muaj ntau dua.Tsis tas li ntawd, lub peev xwm tswj tau rau VRMs (thaum lub ntsiab tsav yog nruab nrog VFD) yog qhov zoo tshaj rau cov pob zeb lossis txawm tias hydraulic roller presses.Qhov no ua rau muaj kev ua kom zoo dua qub, uas ua rau muaj kev ruaj ntseg ntawm qhov cub thiab ua kom muaj kev siv roj ntau ntxiv thiab siv cov khoom siv sib txawv.

Pyroprocess
Cov kev hloov loj tshaj plaws rau cov nroj tsuag yuav pom nyob rau hauv lub kiln.Ua ntej, tsawg clinker yuav raug tsim nyob rau hauv kev faib ua feem rau cov cement ntau lawm, hloov nyob rau hauv ntau ntau los ntawm SCMs.Thib ob, cov roj pleev yuav txuas ntxiv mus ntxiv, ua kom zoo dua ntawm cov hluav taws kub siab thiab lwm yam kev siv hluav taws xob sib txuas rau kev sib xyaw ntawm lwm cov roj xws li cov khoom pov tseg, biomass, cov khoom siv hluav taws xob tshiab los ntawm cov dej khib nyiab, oxygen enrichment (hu ua oxyfuel. txhaj tshuaj) thiab txawm tias hydrogen.Precision dosing yuav ua kom ceev faj tswj kom ua kom zoo tshaj clinker, thaum cov kev daws teeb meem zoo li HOTDISC® Combustion Device yuav pab tau ntau yam roj siv.Nws yog ib qho tsim nyog sau cia tias 100% fossil roj hloov yog ua tau nrog cov thev naus laus zis uas twb muaj lawm, tab sis nws yuav siv sij hawm ntau xyoo los yog ntau dua rau cov dej khib nyiab kom ncav cuag qhov xav tau.Tsis tas li ntawd, cov nroj tsuag ntsuab ntsuab ntawm lub neej yav tom ntej yuav tsum tau xav txog seb cov xim ntsuab no puas muaj peev xwm ua tau.

Cov khib nyiab pov tseg kuj tseem siv tau, tsis yog nyob rau hauv pyroprocess nkaus xwb tab sis kuj nyob rau lwm qhov chaw ntawm cov nroj tsuag, piv txwv li los hloov cov hluav taws kub kub.Pov tseg tshav kub los ntawm cov txheej txheem tsim clinker yuav raug ntes thiab siv los cuam tshuam cov kev xav tau ntawm lub zog ntxiv ntawm cov nroj tsuag.

Source: World Cement, luam tawm los ntawm David Bizley, Editor