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Tig cov aggregates thiab bitumen mus rau asphalt tsim kev yuav tsum muaj kev sib xyaw ua ke thermal. Asphalt sib tov cog yog qhov tseem ceeb rau qhov no. Lub hom phiaj ntawm kev sib xyaw asphalt sib tov yog muab sib xyaw ua ke thiab asphalt ua ke ntawm ib qho kub siab asphalt paving sib tov. Lub aggregate siv tuaj yeem yog ib qho khoom siv, kev sib xyaw ntawm ntxhib thiab zoo sib xyaw, nrog lossis tsis muaj cov pob zeb filler. Cov khoom siv binder siv yog ib txwm asphalt tab sis tej zaum yuav yog ib qho kev emultion abulsion lossis ib qho ntawm ntau cov ntaub ntawv hloov kho. Ntau yam ntxiv, suav nrog cov kua thiab hmoov cov khoom, kuj tseem tuaj yeem sib xyaw rau hauv cov dej sib tov.
Muaj peb tus neeg nyiam dua li asphalt sib xyaw ua ke: batch sib xyaw, nruas sib xyaw, thiab txuas txuas nruas sib xyaw. Tag nrho peb hom ua haujlwm tib lub hom phiaj zoo tib yam nkaus, thiab illalt sib xyaw yuav tsum yog qhov tseem ceeb yam tsis hais tias hom nroj tsuag siv rau nws. Peb hom nroj tsuag sib txawv, txawm li cas los xij, hauv kev ua haujlwm thiab ntws cov ntaub ntawv, raws li tau piav qhia hauv cov ntu hauv qab no.
Batch MIFELLH cog tsob nrojAsphalt nws cog yog cov cuab yeej tseem ceeb rau txhua txoj kev siv cov tuam txhab siv. Ib yam li asphalt batch sib xyaw cog kev ua haujlwm muaj ntau lub luag haujlwm. Asphalt batch nroj tsuag tau kub sib xyaw ua ke sib tov sib xyaw ua ke hauv ib qho ntawm cov pob zeb. Cov batch cov nroj tsuag ua tau kub sib xyaw ua ke hauv cov txheej txheem txuas ntxiv. Nws yog aslo tau hloov thiab siv cov khoom siv no rau kev tsim cov kub sib tov siv cov khoom siv rov ua dua tshiab. Batch hom nroj tsuag muaj cov kev hloov hauv lawv uas tso cai ntxiv ntawm rap (reclaimed asphalt pavement). Cov Cheebtsam ntawm tus qauv asphalt batch sib xyaw ua ke yog: lub tshuab txias txias, asphalte mov system, sib xyaw ua kom qhuav, thiab kev tswj hwm kev tswj hwm. Lub Batch cog ntauwd muaj ntawm qhov kub of elevator, lub vijtsam kub, kub bins, lub zog hopper, thiab ib lub pugmill. Lub aggregate siv hauv kev sib tov raug tshem tawm los ntawm stockpiles thiab muab tso rau hauv ib tus neeg txias-pub nqaij bins. Aggregates ntawm cov sib txawv ntawm cov sib txawv ntawm lawv cov nqaij los ntawm kev sib xyaw ntawm lub rooj vag nyob hauv qab ntawm txhua lub taub hau thiab nrawm ntawm tus conveyor siv nyob rau hauv lub bin. Feem ntau, txoj siv nyiaj pub rau hauv qab txhua qhov tso nyiaj rau kev suav ua ke ntawm kev sib sau ua ke conveyor nyob rau hauv txhua qhov txias-pub bins. Lub agregate tau thauj los ntawm kev sib sau ua ke conveyor thiab pauv mus rau ib tus them conveyor. Cov khoom siv ntawm kev them nyiaj conveyor yog tom qab nqa mus rau lub tshuab ziab khaub ncaws sib sau.

Lub tshuab ziab khaub ncaws ua haujlwm ntawm cov txee-ntws. Cov kev sib sau ua ke tau qhia rau hauv lub tshuab ziab khaub ncaws nyob rau sab saud thiab yog txav mus rau lub nruas los ntawm kev sib hloov kev sib hloov (lub zog ntws) thiab kev teeb tsa dav hlau sab hauv lub tshuab ziab khaub ncaws. Lub burner nyob rau ntawm qis kawg ntawm lub tshuab ziab khaub ncaws, thiab cov txheej txheem ua kom qhuav txav mus rau sab sauv, tawm tsam (txee rau) ntws ntawm cov kev sib sau ua ke. Raws li kev sib sau ua ke yog tumbled los ntawm cov pa tso pa, cov khoom siv yog rhuab thiab qhuav. Yo dej noo yog muab tshem tawm thiab nqa tawm ntawm lub tshuab ziab khaub ncaws ua ib feem ntawm kev tso pa tawm.
Qhov kub, qhuav aggregate yog tom qab ntawd tawm ntawm lub tshuab ziab khaub ncaws ntawm qhov qis qis kawg. Cov kev sib sau ua kub feem ntau thauj mus rau sab saum toj ntawm cov nroj tsuag sib xyaw ntauwd los ntawm lub thoob elevator. Thaum tso tawm ntawm of the elevator, cov kev sib sau ua ke ib txwm hla dhau ntawm cov ntxaij vab tshaus vibre rau hauv, feem ntau, ib ntawm plaub lub qhov kub cia khoom kub. Cov khoom sib cav tshaj plaws uas tau mus ncaj qha los ntawm txhua qhov screens rau hauv No. 1 lub kub; Tus coarser aggrate cov lus sib cais los ntawm
Txawv cov ntxaij vab tshaus sib txawv thiab muab tso rau hauv ib qho ntawm lwm qhov kub bins. Kev sib cais ntawm kev sib sau ua cov bins kub nyob ntawm qhov loj me ntawm qhov kev qhib hauv lub vijtsam thiab kev kawm tiav ntawm cov khaub thuas uas txias.
Lub rhuab, qhuav, thiab resized aggregate yog muaj nyob rau hauv cov kub bins kom txog thaum raug rho tawm ntawm lub rooj vag hauv qab ntawm txhua lub siab cia siab. Qhov tseeb faib ua feem ntawm txhua aggregreg tau txiav txim siab los ntawm qhov hnyav.
Nyob rau tib lub sij hawm uas cov kev sib sau ua ib qho kev sib cais thiab cov asphalt yog tso tawm ntawm nws lub taub ntim khoom siv rau ntawm lub pej thuam nyob saum cov pugmill. Cov khoom siv kom tsim nyog tau hnyav rau hauv lub thoob thiab tuav kom txog thaum tau emptied mus rau hauv lub pugmill. Lub aggregate nyob rau hauv lub wave Hopper yog qhov khoob khoob khoob khoob khoob, thiab cov sib txawv sib xyaw ua ke rau lub sijhawm luv luv - feem ntau tsawg dua 5 vib nas this. Tom qab no lub sijhawm qhuav-sib xyaw, cov asphalt los ntawm cov nyhav nyhav yog tawm.
rau hauv lub pugmill, thiab lub sijhawm sib xyaw ntub dej pib. Lub sijhawm sib xyaw ua ke rau kev sib xyaw ntawm cov asphalt nrog cov agrant Qhov loj me ntawm cov pob sib xyaw nyob rau hauv lub pugmill tuaj yeem nyob hauv thaj tsam ntawm 1.81 rau 5.44 tonnes (2 txog 6 tons).
Thaum sib xyaw ua tiav, lub rooj vag nyob rau hauv qab ntawm lub pugmill tau qhib, thiab cov sib tov tau muab tso rau hauv lub tsheb sib xyaw ua ke los ntawm cov tsheb thauj khoom uas lub tsheb. Rau feem ntau pob nroj tsuag, lub sij hawm yuav tsum qhib lub rooj vag pugmill thiab tawm qhov sib tov yog kwv yees li 5 mus rau 7 vib nas this. Lub sijhawm sib xyaw tag nrho (lub sijhawm sib xyaw qhuav + lub sijhawm sib xyaw + sib xyaw ua kom luv li txog 40 vib nas this, tab sis lub sijhawm sib xyaw ua ke yog li 45 feeb.
Cov nroj tsuag yog nruab nrog emission-tswj cov khoom siv, suav nrog cov tshuab sau tag nrho thiab theem nrab. Ib lub collector qhuav lossis kneckout lub thawv yog ib txwm siv los ua tus thawj sau. Tog twg los ntub cov scrubber system lossis, ntau dua, ib lub kaw lus lim lim dej qhuav (hnab looj tes) tuaj yeem siv cov pa roj cua kom huv si los ntawm lub tshuab pa ntxiv uas ntws tawm los ntawm cov tshuab pa ntxiv rau cov cua huv si los ntawm cov cua los ntawm pawg.
Yog hais tias rap yog koom nrog kev sib xyaw, nws muab tso rau hauv ib qho chaw txias txias-pub los ntawm uas nws tau xa mus rau cov nroj tsuag. Cov rap tuaj yeem ntxiv rau qhov kev sib sau tshiab hauv ib ntawm peb qhov chaw: hauv qab ntawm tus ntaiv kub; Cov kub kub; lossis, feem ntau yog, kev ntshaw Hopper. Thaum tshav kub hloov ntawm lub superheated tshiab aggregate thiab cov khoom siv tau rov qab los sai li sai tau thaum ob cov ntaub ntawv tuaj nyob rau hauv kev sib cuag thiab txuas ntxiv thaum lub sij hawm sib xyaw nyob rau hauv lub pugmill.
Nruas Mix Asphalt CogPiv nrog batch hom, Nruas sib xyaw ua ke cog qoob loo tsawg dua, tsis muaj dej ntau dua, cov hmoov av tsawg. Cov kev tswj hwm system tau kho cov dej asphalt ntws raws li cov neeg sib xyaw ua ntej thiab ua ntej lub teeb tsa ua ntej, kom ntseeg tau meej meej cov kev tawm suab. Asphalt nruas sib xyaw yog cov hom nroj tsuag uas tau categorized ua txuas ntxiv cov nroj tsuag, ua lag luam kub ua ke hauv cov txheej txheem txuas ntxiv.

Feem ntau cov tshuab txias-pub rau HMA batch thiab nruas-mix nroj tsuag zoo ib yam. Txhua tus muaj khaub thuas cua txias, feeder convüors, kev sib sau ua ke conveyor, thiab ib tug them conveyor. Ntawm feem ntau nruas-mak nroj tsuag thiab ntawm qee cov nroj tsuag pob, ib lub vijtsam tawv taub yog suav nrog hauv cov kab ke ntawm qee kis. Yog tias rap kuj tseem tau txais rau hauv cov nroj tsuag los tsim cov khoom siv ua dua tshiab, muaj kev sib sau ua ke, thiab sib sau ua ke ntawm conveyor, thiab them cov conveyor yog tsim nyog los lis cov ntaub ntawv ntxiv. Nruas-sib xyaw Nroj Tsuag Muaj tsib lub Cheebtsam loj: Cov Khoom Siv Hluav Taws Xob Txias, Asphalt Mov Cov Khoom, Kev Khaws Cia Khoom, thiab EmissionControl Khoom.
Cov khaub thuas txias tau siv los ua feem rau cov khoom siv rau cov nroj tsuag. Kev siv roj ua kom muaj zog dua-ceev ceev yog siv nyob rau hauv txhua lub thoob. Tus nqi ntawm kev sib sau los ntawm txhua lub taub hau tuaj yeem yog tswj hwm los ntawm ob lub rooj vag qhib thiab qhov ceev ntawm cov khoom siv feeder los muab cov ntaub ntawv pub dawb ntawm cov khoom sib txawv. Qhov kev sib sau ua ke ntawm txhua txoj siv kev pub mis yog tso rau hauv kev sib sau ua ke conveyor uas sau hauv qab txhua yam mob khaub thuas. Cov khoom siv sib xyaw ua ke yog ib txwm dhau los ntawm cov scalping screen thiab tom qab ntawd pauv mus rau kev them nyiaj conveyor rau thauj mus rau lub nruas tov khoom.
Kev them nyiaj conveyor yog nruab nrog ob pab kiag li los txiav txim siab qhov kev sib sau ua ke ntawm cov nroj tsuag ntawm qhov hnyav hla dhau nws, thiab ib qho kev txiav txim siab ntawm txoj siv tawv. Ob txoj kev muaj txiaj ntsig no yog siv los laij cov tawv ntub ntawm kev sib sau ua ke, hauv tonnes (tons) ib teev, nkag mus rau hauv cov tov khoom nruas. Lub computer cog, nrog tus nqi ntawm cov dej noo hauv cov kev ua kom muaj nuj nqis ntub dej los ua kom pom qhov hnyav ntub kom txiav txim siab txog kev sib xyaw.
Lub confentional nruas tov khoom yog qhov sib zog-ntws system-cov pa roj cua thiab cov artgate txav mus rau tib qho kev coj. Lub burner nyob rau ntawm sab saud (agregate inlet kawg) ntawm lub nruas. Lub commregegate nkag mus rau lub nruas yog los ntawm ib tug chrined chute lub burner lossis ntawm superer conveyor hauv qab burner. Lub aggregate tau tsiv hauv lub nruas los ntawm kev sib xyaw ua ke ntawm kev sib tsoo thiab kev teeb tsa ntawm cov davhlau nyob hauv lub nruas. Raws li nws mus ncig, qhov kev sib sau ua ke yog rhaub thiab noo noo. Ib qho kev txiav txim siab ntom ntawm kev sib sau ua ke tau ua ze ntawm nruab nrab ntawm lub nruas ntev los pab hauv cov txheej txheem cua sov.
Yog tias rap ntxiv rau qhov kev sib sau ua tshiab, nws yog tso tawm los ntawm nws tus kheej khaub thuas-pub rau hauv ib qho inlet conveyor system rau hauv lub chaw nyob ntev (sib faib-pub system). Hauv cov txheej txheem no, cov khoom rov hais dua yog kev tiv thaiv los ntawm qhov ntsuas cua sov los ntawm daim ntaub thaiv ntawm kev sib sau ua ke ntawm RAP nkag mus nkag. Thaum sib tov nrog cov ntsiab lus rap siab yog siv, nws yog cov yuav ntau dua uas lub rap yuav overheated hauv cov txheej txheem. Qhov no tuaj yeem ua rau muaj pa taws ua haujlwm tawm los ntawm lub nruas lossis kev puas tsuaj rau rap.
Tus tshiab kev sib sau ua ke thiab cov khoom siv rov hais dua, yog siv, txav mus ua ke rau hauv ib sab ntawm lub nruas. Lub asphalt yog rub tawm los ntawm lub tank nres los ntawm cov twj tso kua mis thiab pub los ntawm lub ntsuas dej, qhov chaw zoo ntawm asphalt yog txiav txim siab. Cov khoom siv phau ntawv yog tom qab xa tawm los ntawm cov yeeb nkab rau tom qab ntawm lub nruas sib tov, uas cov asphalt tau txhaj rau hauv qhov kev sib sau ua ke. Txheej ntawm kev sib sau ua ke raws li cov ntaub ntawv yog tumbled ua ke thiab tsiv mus rau qhov tawm ntawm lub nruas ntawm lub nruas. Mineral Fitter lossis Baghouse nplua, lossis ob qho tib si, tseem yog ntxiv rau sab nraum qab ntawm lub nruas, txawm yog ua ntej lossis ua ke nrog kev sib ntxiv ntawm cov asphalt.
Cov asphalt sib tov yog muab tso rau hauv lub cuab yeej siv (tus cab slat conveyor, siv conveyor, lossis thoob of elevator) rau kev thauj mus rau ib qho chaw khaws cia. Silo hloov kho cov ntws nrad kev sib xyaw ua ke rau hauv cov av ntws rau kev tawm mus rau hauv lub tsheb nqa.
Feem ntau, tib hom emission-tswj cov khoom siv yog siv rau ntawm lub nruas-sib xyaw cog raws li cov nroj tsuag pob. Ib lub collection thawj thiab ib qho chaw ntub dej ntub dej lossis ib lub tsev muag khoom theem ob tau siv tau. Yog tias cov ntaub ntawv ntub dej siv tau siv, cov nplua sau tsis tuaj yeem rov ua dua tshiab rau hauv cov sib xyaw thiab nkim; Yog tias lub hnab ntim tau siv, cov nplua sau tau rov qab tuaj yeem xa rov qab rau hauv tag nrho lossis hauv ib feem mus rau lub nruas sib tov, lossis lawv tuaj yeem siv sijhawm.
Nruam Sib xyaw Alphalt Tsob NrojHauv cov nroj tsuag tas li tsis muaj kev cuam tshuam nyob rau hauv kev sib tw ntau lawm yog cov lus sib dhos ua ke tsis tawg rau hauv cov batches. Qhov sib xyaw ntawm cov khoom siv qhov chaw nyob rau hauv lub tshuab ziab khaub ncaws uas yog elongated, vim nws dries thiab sib tov cov khoom tib lub sijhawm. Vim tias tsis muaj kev sib xyaw ua ke lossis nce qib, lub kaw lus yog vim li ntawd txo tau cov nqi ntawm kev txij nkawm. Tsis muaj qhov screen tau ua rau nws tsim nyog kom muaj kev tswj hwm thaum pib ntawm lub tshuab nqus dej thiab ua ntej lawv tau tso tawm ntawm lub tshuab ziab khaub ncaws li asrin.

Kev sib sau ua ke
Zoo sib xws rau batch asphalt tov nroj tsuag,
Lub voj voog ntau lawm ntawm cov nroj tsuag nruam aslo pib nrog cov khaub thuas txias, qhov twg cov aggregates yog feem ntau metered los ntawm ntim; Yog tias yuav tsum tau, cov xuab zeb extractor tuaj yeem haum nrog txoj siv hluav taws xob hnyav rau kev metering.
Kev tswj hwm tag nrho qhov hnyav ntawm tus nkauj xwb aggregates, txawm li cas los xij, muaj cuam tshuam hauv ob theem sib txawv ntawm cov nroj tsuag ntau lawm hauv ob hom nroj tsuag. Nyob rau hauv hom nruam tsis tau muaj ib txoj siv sia noj, ua ntej lub teb chaws noo kev sib sau ua ke yog teeb tsa tus kheej tau tso cai rau qhov hnyav ntawm cov dej kom txiav. Yog li nws yog qhov tseem ceeb tshaj plaws rau cov ntsiab lus ya raws hauv cov aggregates, tshwj xeeb yog cov xuab zeb, kom muaj tus nqi tas li uas tau saib xyuas los ntawm kev kuaj nquag.
Bitumen Metered
Nyob rau hauv cov nroj tsuag tas li metering yog feem ntau volumetric los ntawm ib liter-counter txuas ntxiv mus rau lub twj tso kua mis pub. Xwb, nws muaj peev xwm los nruab ib pawg loj, qhov kev xaiv tsim nyog yog tias hloov me me yog siv, uas yuav tsum tau tu cov haujlwm tu ncua.
Muab Tub Ntxhais Kawm Ntawv
Hauv cov nroj tsuag tas li lub ntsuas me me yog ib txwm tsis muaj volumetric, siv cov khoom siv ceev sib txawv uas tau hloov cov pneumatic elevatatic system.
Tswj vaj huam sib luag yog PLC hom nyob rau hauv tag nrho peb cov khoom lag luam export. Qhov no yog tus nqi loj dua vim tias peb tuaj yeem kho PLC los ntawm peb qhov yuav tsum tau ua. Lub nruas tov khoom uas yog nruab nrog lub vaj huam sib luag plc yog lub tshuab sib txawv dua li cov nroj tsuag nrog microprocessor vaj huam sib luag. Vaj huam sib luag kuj tseem tau saib dawb piv rau Microprocessor Vaj Huam Sib Luag. Peb ib txwm ntseeg tias muab qhov zoo tshaj plaws rau cov neeg siv khoom kom lawv tuaj yeem nyob ua ntej lawv cov kev sib tw. Tsis yog txhua cov tuam ntxhab thiab cov xa khoom ntawm asphalt nruas cov nroj tsuag muaj cog nrog PLC vaj huam sib luag.
Ua ntej sim ntawm txhua cov nroj tsuag tau ua los xyuas kom meej tias txhua yam uas yoojyim rau peb lub Hoobkas tau npaj los ua nrog tsawg hassle ntawm lub xaib.
Kev txhaum kev ua txhaum ntau dua 30 xyoo ntawm kev tsim khoom thiab cov khoom lag luam uas tau rov qab los ntawm kev pabcuam kev pabcuam thiab cov khoom pheej yig dua thiab siv koj cov cuab yeej siv rau ntau xyoo los.