Tig aggregates thiab bitumen rau hauv asphalt los tsim txoj kev yuav tsum muaj cov txheej txheem thermal sib xyaw. Ib qho asphalt sib xyaw cog yog qhov tseem ceeb rau qhov no. Lub hom phiaj ntawm asphalt mixing cog yog muab aggregate thiab asphalt ua ke ntawm qhov kub siab los tsim ib homogeneous asphalt paving sib tov. Cov khoom siv sib xyaw ua ke tuaj yeem yog ib qho khoom siv, kev sib xyaw ua ke ntawm ntxhib thiab nplua aggregates, nrog lossis tsis muaj cov ntxhia ntxiv. Cov khoom siv khi siv feem ntau yog asphalt tab sis tej zaum yuav yog asphalt emulsion lossis ib qho ntawm ntau yam khoom hloov kho. Ntau yam additives, nrog rau cov ntaub ntawv ua kua thiab hmoov, kuj tuaj yeem muab tso rau hauv qhov sib tov.

Tam sim no muaj peb hom kev kub asphalt mixing nroj tsuag: batch mix, nruas mix, thiab nruam nruas mix. Tag nrho peb hom ua haujlwm tib lub hom phiaj, thiab cov asphalt sib tov yuav tsum zoo ib yam tsis hais hom nroj tsuag siv los tsim nws. Peb hom nroj tsuag txawv, txawm li cas los xij, hauv kev ua haujlwm thiab kev khiav ntawm cov ntaub ntawv, raws li tau piav qhia hauv ntu hauv qab no.

Batch Mix Asphalt Cog
asphalt mixing cog yog cov cuab yeej tseem ceeb rau txhua lub tuam txhab kev tsim kho. Txhua asphalt batch mix cog kev ua haujlwm muaj ntau yam haujlwm. Asphalt Batch nroj tsuag tsim kub sib tov asphalt nyob rau hauv ib tug series ntawm batch. Cov batch mix nroj tsuag tsim kub sib tov asphalt nyob rau hauv ib tug tas mus li txheej txheem. Nws tuaj yeem hloov kho thiab siv cov cuab yeej no los tsim cov khoom kub asphalt siv cov khoom siv rov ua dua tshiab. Batch hom nroj tsuag muaj variations nyob rau hauv lawv uas tso cai ntxiv RAP (Reclaimed asphalt pavement). Lub Cheebtsam ntawm tus qauv asphalt batch mix cog yog: lub txias pub system, asphalt muab system, aggregate tshuab ziab khaub ncaws, sib tov ntauwd, thiab emission-control system. Lub batch cog ntauwd muaj ib lub elevator kub, lub npov lawj, cov thawv kub, lub qhov hnyav hopper, asphalt hnyav thoob, thiab pugmill. Cov aggregate siv nyob rau hauv kev sib tov yog muab tshem tawm los ntawm stockpiles thiab muab tso rau hauv ib tug neeg txias-paub bins. Aggregates ntawm ntau qhov sib txawv yog proportioned tawm ntawm lawv cov bins los ntawm kev sib xyaw ua ke ntawm qhov loj ntawm qhov qhib ntawm lub qhov rooj nyob rau hauv qab ntawm txhua lub bins thiab qhov ceev ntawm txoj siv conveyor nyob rau hauv lub bin. Feem ntau, ib txoj siv feeder hauv qab txhua lub thawv tso cov khoom sib sau rau ntawm cov khoom sib sau ua ke nyob rau hauv qab ntawm tag nrho cov khoom noj txias. Lub aggregate yog thauj los ntawm kev sib sau ua ke conveyor thiab xa mus rau lub charger conveyor. Cov khoom ntawm lub charger conveyor yog tom qab ntawd nqa mus rau lub tshuab ziab khaub ncaws.

Lub tshuab ziab khaub ncaws ua haujlwm los ntawm kev sib tsoo. Kev sib sau ua ke yog nkag mus rau hauv lub tshuab ziab khaub ncaws ntawm qhov kawg ntawm qhov kawg thiab txav mus rau hauv lub nruas los ntawm ob qho tib si lub nruas rotation (lub ntiajteb txawj nqus ntws) thiab lub davhlau configuration nyob rau hauv lub rotating tshuab. Lub burner yog nyob rau hauv qis kawg ntawm lub tshuab ziab khaub ncaws, thiab cov pa pa tawm los ntawm combustion thiab ziab txheej txheem txav mus rau sab sauv kawg ntawm lub tshuab ziab khaub ncaws, tawm tsam (tawm rau) qhov ntws ntawm cov aggregate. Raws li cov aggregate yog tumbled los ntawm cov pa gases, cov khoom yog rhuab thiab qhuav. Moisture raug tshem tawm thiab nqa tawm ntawm lub tshuab ziab khaub ncaws ua ib feem ntawm cov pa tso pa tawm.

Qhov kub, qhuav sib xyaw yog ces tawm ntawm lub tshuab ziab khaub ncaws ntawm qis kawg. Qhov kub aggregate feem ntau yog thauj mus rau sab saum toj ntawm cov nroj tsuag sib tov ntauwd los ntawm lub thoob of elevator. Thaum tso tawm ntawm lub elevator, qhov sib sau ua ke ib txwm dhau los ntawm cov txheej txheem vibrating npo rau hauv, feem ntau, ib qho ntawm plaub lub thawv kub. Cov khoom sib xyaw zoo tshaj plaws mus ncaj qha los ntawm tag nrho cov ntxaij vab tshaus rau hauv No. 1 kub bin; cov coarser aggregate hais yog sib cais los ntawm cov
cov ntxaij vab tshaus sib txawv thiab muab tso rau hauv ib qho ntawm lwm qhov chaw kub kub. Kev sib cais ntawm kev sib sau ua ke rau hauv cov thawv kub yog nyob ntawm qhov loj ntawm qhov qhib hauv qhov screen uas yog siv rau hauv lub npov lawj thiab kev sib tw ntawm cov aggregate nyob rau hauv cov khoom txias txias.

Cov rhuab, qhuav, thiab resized aggregate yog tuav nyob rau hauv lub kub bins kom txog thaum tawm los ntawm ib lub rooj vag nyob rau hauv qab ntawm txhua lub thoob rau hauv ib tug hnyav hopper. Qhov tseeb feem ntawm txhua qhov sib sau yog txiav txim los ntawm qhov hnyav.
Nyob rau tib lub sij hawm uas cov aggregate yog proportioned thiab hnyav, lub asphalt yog pumped los ntawm nws lub tank cia rau ib tug nyias rhuab hnyav thoob nyob rau hauv lub pej thuam saum toj no lub pugmill. Tus nqi ntawm cov khoom raug hnyav rau hauv lub thoob thiab tuav kom txog thaum uas tau muab tso rau hauv lub pugmill. Cov aggregate nyob rau hauv lub luj hopper yog emptied rau hauv ib tug ntxaib-ncej pugmill, thiab cov sib txawv aggregate feem yog sib tov ua ke rau ib tug luv luv lub sij hawm ntawm lub sij hawm - feem ntau tsawg tshaj li 5 vib nas this. Tom qab lub sijhawm luv luv no-sib tov, asphalt los ntawm lub thoob ntim tau tawm.

mus rau hauv lub pugmill, thiab lub sij hawm ntub-sib xyaw pib. Lub sijhawm sib xyaw rau kev sib xyaw ntawm asphalt nrog cov aggregate yuav tsum tsis txhob ntau tshaj qhov xav tau los ua kom tiav cov khoom sib xyaw nrog cov zaj duab xis nyias ntawm cov khoom siv asphalt - feem ntau nyob rau hauv thaj tsam ntawm 25 mus rau 35 vib nas this, nrog rau qhov qis kawg ntawm qhov no. ua rau pugmill uas nyob rau hauv qhov zoo. Qhov loj ntawm cov khoom sib xyaw hauv lub pugmill tuaj yeem nyob rau hauv thaj tsam ntawm 1.81 txog 5.44 tonnes (2 mus rau 6 tons).
Thaum sib tov tiav lawm, lub rooj vag nyob rau hauv qab ntawm lub pugmill yog qhib, thiab cov mix yog tawm mus rau hauv lub tsheb thauj khoom los yog mus rau hauv lub conveying ntaus ntawv uas nqa cov mix mus rau ib tug silo los ntawm cov tsheb thauj khoom yuav tsum loaded nyob rau hauv batch zam. Rau feem ntau cov nroj tsuag, lub sij hawm xav tau los qhib lub qhov rooj pugmill thiab tso tawm qhov sib tov yog kwv yees li 5 mus rau 7 vib nas this. Lub sijhawm sib xyaw tag nrho (lub sijhawm qhuav-sib xyaw + lub sijhawm ntub dej + lub sijhawm sib xyaw) rau ib pawg tuaj yeem luv li 40 vib nas this, tab sis feem ntau, tag nrho lub sijhawm sib xyaw yog li 45 vib nas this.

Cov nroj tsuag yog nruab nrog emission-tswj cov cuab yeej, muaj ob qho tib si thawj thiab theem nrab sau tshuab. Ib lub thawv ntim qhuav los yog lub thawv knockout feem ntau yog siv los ua tus thawj coj. Txawm li cas los xij lub tshuab ntxhua khaub ncaws ntub dej lossis, ntau zaus, cov ntaub lim dej qhuav (baghouse) tuaj yeem siv los ua cov txheej txheem thib ob txhawm rau tshem tawm cov teeb meem los ntawm cov pa roj uas ntws tawm ntawm lub tshuab ziab khaub ncaws thiab xa huab cua huv mus rau qhov chaw los ntawm pawg. .
Yog tias RAP tau muab tso rau hauv qhov sib tov, nws tau muab tso rau hauv ib qho chaw txias txias los ntawm kev xa mus rau cov nroj tsuag. RAP tuaj yeem muab ntxiv rau qhov sib sau tshiab hauv ib qho ntawm peb qhov chaw: hauv qab ntawm lub elevator kub; cov thawv kub; los yog, feem ntau, qhov hnyav hopper. Thaum tshav kub kub hloov ntawm cov superheated tshiab aggregate thiab cov khoom reclaimed pib sai li sai tau raws li ob cov ntaub ntawv tuaj nyob rau hauv kev sib cuag thiab txuas ntxiv thaum lub sij hawm sib tov nyob rau hauv lub pugmill.


Nruas Mix Asphalt Cog
Piv nrog rau hom batch, nruas mix asphalt cog muaj tsawg thermal poob, qis zog ua hauj lwm, tsis muaj overflow, tsawg plua plav ya thiab ruaj khov kub tswj. Lub kaw lus tswj tau hloov kho asphalt txaus tus nqi raws li qhov sib xyaw ua ke ntws thiab kev teeb tsa ua ntej asphalt-aggregates piv, kom ntseeg tau meej qhov sib npaug ntawm cov zis. Asphalt nruas mix cog yog hom nroj tsuag uas tau categorized li cov nroj tsuag txuas ntxiv, tsim kub sib xyaw asphalt nyob rau hauv cov txheej txheem tas mus li.

Feem ntau cov tshuab txias txias ntawm HMA batch thiab nruas-sib xyaw cov nroj tsuag zoo sib xws. Txhua yam muaj cov khoom noj khoom haus txias, cov khoom noj khoom haus, cov khoom sib sau ua ke, thiab cov khoom siv thauj khoom. Ntawm feem ntau cov nruas-sib xyaw cov nroj tsuag thiab ntawm qee cov nroj tsuag batch, ib qho screen scalping suav nrog hauv qhov system ntawm qee kis. Yog tias RAP tseem raug muab tso rau hauv cov nroj tsuag los tsim cov khoom siv rov ua dua tshiab, ntxiv cov khoom noj txias txias rau hauv lossis cov thawv ntim khoom noj, siv cov khoom noj thiab/los yog sib sau ua ke conveyor, scalping screen, thiab them conveyor yog tsim nyog los lis cov khoom ntxiv. Drum-mix nroj tsuag muaj tsib yam tseem ceeb: cov khoom noj txias, asphalt mov system, nruas tov khoom, surge los yog cia silos, thiab emissioncontrol khoom.

Cov khoom noj txias txias yog siv los faib cov khoom rau cov nroj tsuag. Ib txoj siv sib txawv-ceev feeder siv nyob rau hauv txhua lub bin. Tus nqi ntawm cov khoom sib sau los ntawm txhua qhov tuaj yeem tswj tau los ntawm ob qho tib si qhov loj ntawm lub qhov rooj qhib thiab qhov ceev ntawm txoj siv feeder kom muab qhov tseeb ntawm cov khoom sib txawv. Cov aggregate ntawm txhua txoj siv feeder yog muab tso rau hauv ib qho kev sib sau ua ke uas khiav hauv qab tag nrho cov khoom noj txias. Cov khoom sib xyaw ua ke yog ib txwm dhau los ntawm kev tshuaj ntsuam scalping thiab tom qab ntawd xa mus rau lub charger conveyor rau kev thauj mus rau lub nruas tov khoom.

Lub charger conveyor yog nruab nrog ob lub cuab yeej siv los txiav txim siab cov khoom xa mus rau cov nroj tsuag: tus choj hnyav hauv qab txoj siv conveyor ntsuas qhov hnyav ntawm qhov sib sau hla nws, thiab lub ntsuas ntsuas ntsuas qhov ceev ntawm txoj siv. Qhov ob qhov tseem ceeb no yog siv los xam qhov hnyav ntub ntawm qhov sib sau, hauv tonnes (tons) ib teev, nkag mus rau lub nruas tov khoom. Lub khoos phis tawj cog, nrog rau cov dej noo nyob rau hauv cov khoom sib sau ua tus nqi nkag, hloov lub cev ntub dej kom qhuav qhov hnyav thiaj li txiav txim siab qhov tseeb ntawm asphalt xav tau hauv kev sib tov.

Cov khoom siv sib xyaw ua ke yog ib qho kev sib txuas ua ke-kho cov pa roj thiab cov aggregate txav mus rau tib qho kev taw qhia. Lub burner yog nyob rau saum kawg (tag nrho inlet kawg) ntawm lub nruas. Cov aggregate nkag mus rau hauv lub nruas los ntawm ib tug inclined chute saum lub burner los yog nyob rau hauv ib tug Slinger conveyor nyob rau hauv lub burner. Lub aggregate yog txav mus rau hauv lub nruas los ntawm kev sib xyaw ntawm lub ntiajteb txawj nqus thiab kev teeb tsa ntawm lub davhlau nyob rau hauv lub nruas. Raws li nws mus, cov aggregate yog rhuab thiab cov dej noo tshem tawm. 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 tau ntxiv rau qhov sib sau tshiab, nws tau tso tawm los ntawm nws tus kheej lub tshuab txias txias thiab sib sau ua ke/ charging conveyor system rau hauv qhov nkag nyob ze ntawm qhov nruab nrab ntawm lub nruas ntev (split-feed system). Nyob rau hauv cov txheej txheem no, cov ntaub ntawv reclaimed yog tiv thaiv los ntawm high-temperature tso pa gases los ntawm daim ntaub thaiv ntawm tshiab aggregate upstream ntawm lub RAP nkag point. Thaum sib xyaw nrog cov ntsiab lus RAP siab tau siv, nws muaj feem ntau tias RAP yuav dhau los ntawm cov txheej txheem. Qhov no yuav ua rau cov pa luam yeeb tawm ntawm lub nruas lossis kev puas tsuaj rau RAP.

Cov khoom sib sau tshiab thiab cov khoom siv rov qab, yog tias siv, txav mus ua ke rau hauv qab ntawm lub nruas. Lub asphalt yog rub los ntawm lub tank cia los ntawm lub twj tso kua mis thiab pub los ntawm ib lub 'meter', qhov twg qhov ntim ntawm asphalt raug txiav txim siab. Tom qab ntawd cov ntaub ntawv sib khi yog xa los ntawm cov yeeb nkab mus rau hauv qab ntawm lub nruas sib xyaw, qhov twg cov asphalt raug txhaj rau hauv cov khoom sib sau. Txheej ntawm cov aggregate tshwm sim raws li cov ntaub ntawv yog tumbled ua ke thiab txav mus rau qhov kawg ntawm lub nruas. Mineral filler lossis baghouse nplua, los yog ob qho tib si, kuj tseem ntxiv rau hauv qab ntawm lub nruas, xws li ua ntej lossis ua ke nrog kev sib ntxiv ntawm asphalt.

Kev sib xyaw asphalt yog muab tso rau hauv cov khoom siv thauj khoom (tus cab slat conveyor, siv conveyor, lossis thoob of elevator) rau kev thauj mus rau qhov chaw cia khoom. Lub silo converts cov ndlwg ntws mus rau hauv ib tug batch flow rau tso rau hauv lub tsheb thauj.

Feem ntau, tib hom emission-control cov cuab yeej siv rau ntawm lub nruas-sib tov cog raws li nyob rau hauv batch cog. Ib tug thawj cov khoom qhuav qhuav thiab ib lub tshuab ntxhua khaub ncaws ntub dej los yog lub hnab ntim khoom thib ob tuaj yeem siv tau. Yog tias siv lub tshuab ntxhua khaub ncaws ntub dej, cov nqi nplua uas tsis tuaj yeem rov ua dua rov qab rau hauv qhov sib tov thiab khib nyiab; Yog tias siv lub hnab ntim khoom, cov nqi nplua tuaj yeem xa rov qab rau tag nrho lossis ib feem ntawm lub nruas sib xyaw, lossis lawv tuaj yeem muab pov tseg.


Nruam Mix Asphalt Cog
Nyob rau hauv cov nroj tsuag tas mus li tsis muaj kev cuam tshuam hauv lub voj voog ntau lawm vim tias qhov sib dhos ntawm cov khoom tsis tawg rau hauv cov khoom siv. Kev sib xyaw ntawm cov khoom siv nyob rau hauv lub tshuab ziab khaub ncaws uas yog elongated, raws li nws dries thiab sib tov cov khoom tib lub sijhawm. Txij li thaum tsis muaj kev sib xyaw ntauwd lossis elevators, qhov system yog qhov yooj yim heev, nrog rau kev txo nqi ntawm kev saib xyuas. Qhov tsis tuaj ntawm lub vijtsam txawm li cas los xij ua rau nws tsim nyog kom muaj kev tswj xyuas meej thaum pib ntawm lub voj voog ntau lawm, ua ntej cov khoom sib xyaw tau muab tso rau hauv lub tshuab ziab khaub ncaws thiab ua ntej lawv thiaj li tawm ntawm lub tshuab ziab khaub ncaws li asphalt.

AGGREGATE METERING
Zoo ib yam li batch asphalt mixing nroj tsuag,
lub voj voog ntau lawm ntawm cov nroj tsuag tas li aslo pib nrog lub txias feeders, qhov twg cov aggregates feem ntau ntsuas los ntawm ntim; Yog tias xav tau, cov xuab zeb extractor tuaj yeem haum nrog lub luj-siv rau metering.
Kev tswj tag nrho qhov hnyav ntawm cov nkauj xwb aggregates, txawm li cas los xij, yog cuam tshuam nyob rau hauv ob theem sib txawv ntawm lub voj voog ntau lawm hauv ob hom nroj tsuag sib txawv. Nyob rau hauv lub nruam hom muaj ib tug pub txoj siv, ua ntej cov moist aggregates yog pub rau hauv lub tshuab ziab khaub ncaws, qhov twg cov ntsiab lus ntawm noo noo yog teem manually thiaj li yuav tso cai rau qhov hnyav ntawm cov dej rho tawm. Yog li ntawd nws yog ib qho tseem ceeb heev rau cov dej noo nyob rau hauv cov aggregates, tshwj xeeb tshaj yog cov xuab zeb, kom muaj tus nqi tas li uas tau soj ntsuam tas li los ntawm kev soj ntsuam ntau zaus.

BITUMEN METERING
Hauv cov nroj tsuag tas mus li qhov ntsuas bitumen feem ntau yog volumetric los ntawm ib litre-counter tom qab rau lub twj tso kua mis. Xwb, nws muaj peev xwm nruab ib lub txee loj, ib qho kev xaiv tsim nyog yog siv cov bitumen hloov kho, uas yuav tsum tau ua haujlwm tu ntau zaus.

Filler metering
Nyob rau hauv cov nroj tsuag tas mus li lub metering system yog ib txwm volumetric, siv kuj sib txawv-ceev feed screws uas tau hloov lub yav dhau los pneumatic metering system.

Tswj vaj huam sib luag yog PLC hom nyob rau hauv tag nrho peb cov nroj tsuag export. Qhov no yog qhov muaj txiaj ntsig ntau ntxiv vim peb tuaj yeem kho PLC raws li peb xav tau. Lub nruas tov khoom uas tau nruab nrog lub vaj huam sib luag PLC yog lub tshuab sib txawv dua li cov nroj tsuag nrog microprocessor vaj huam sib luag. PLC vaj huam sib luag tseem muaj kev saib xyuas pub 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 ntawm lawv qhov kev sib tw. Tsis yog txhua tus neeg tsim khoom thiab xa tawm ntawm asphalt nruas nroj tsuag muab cov nroj tsuag nrog PLC vaj huam sib luag.

Kev sim ua ntej ntawm tag nrho cov nroj tsuag yog ua tiav los xyuas kom meej tias txhua yam uas tawm hauv peb lub Hoobkas tau npaj ua tiav nrog tsawg hassle ntawm qhov chaw.

Sinoroader muaj ntau tshaj 30 xyoo ntawm kev tsim khoom thiab cov khoom lag luam uas tau txais kev txhawb nqa los ntawm cov kev pabcuam thiab cov khoom pheej yig dua kom koj nyiam thiab siv koj cov khoom siv rau xyoo tom ntej.