[1] .Kub asphalt sib tov yog tsim los ntawm aggregate, hmoov thiab asphalt. Kev tswj hwm ntawm cov khoom siv raw feem ntau yog yuav ua li cas kom ntseeg tau qhov zoo thiab kev nyab xeeb ntawm cov khoom siv raw hauv txhua yam ntawm kev khaws cia, kev thauj mus los, kev thauj khoom thiab tshem tawm, thiab tshuaj xyuas.
1.1 Kev tswj hwm thiab ntsuas cov khoom siv asphalt
1.1.1 Kev tswj kom zoo ntawm cov ntaub ntawv asphalt
(1) Cov ntaub ntawv asphalt yuav tsum tau nrog lub Hoobkas thawj daim ntawv pov thawj zoo thiab daim ntawv tshuaj xyuas lub Hoobkas thaum nkag mus rau asphalt tov cog.
(2) Lub chaw soj nstuam yuav tsum coj cov qauv ntawm txhua pawg ntawm asphalt tuaj txog ntawm qhov chaw los xyuas seb nws puas ua tau raws li qhov yuav tsum tau ua ntawm cov lus qhia tshwj xeeb.
(3) Tom qab kuaj kuaj thiab kuaj dhau lawm, lub tuam tsev cov ntaub ntawv yuav tsum tau muab daim ntawv lees paub, sau cov asphalt qhov chaw, daim ntawv lo, kom muaj nuj nqis, hnub tuaj txog, tus lej them nqi, qhov chaw khaws cia, kev tshuaj xyuas zoo, thiab qhov chaw uas siv asphalt, lwm.
(4) Tom qab txhua pawg ntawm asphalt raug tshuaj xyuas, tsis pub tsawg dua 4kg ntawm cov khoom siv yuav tsum tau muab khaws cia rau kev siv.
1.1.2 Sampling cov ntaub ntawv asphalt
(1) Sampling ntawm asphalt cov ntaub ntawv yuav tsum ua kom ntseeg tau tias tus neeg sawv cev ntawm cov khoom kuaj. Asphalt tso tsheb hlau luam yuav tsum muaj cov sampling li qub thiab sampling yuav tsum tsis txhob muab los ntawm sab saum toj ntawm asphalt tank. Ua ntej sampling, 1.5 litres ntawm asphalt yuav tsum tau drained kom tshem tawm cov kab mob ntawm li qub thiab kav.
(2) Lub thawv coj mus kuaj yuav tsum huv thiab qhuav. Sau cov thawv kom zoo.
1.2 Kev khaws cia, kev thauj mus los thiab kev tswj cov khoom sib sau
(1) Aggregates yuav tsum tau muab tso rau ntawm ib qho nyuaj, huv si. Qhov chaw stacking yuav tsum muaj cov dej tsis zoo thiab cov dej ntws zoo. Cov khoom sib xyaw zoo yuav tsum tau them nrog cov ntaub pua tsev, thiab cov khoom sib txawv ntawm cov khoom sib txawv yuav tsum tau muab cais los ntawm cov phab ntsa. Thaum stacking cov ntaub ntawv nrog lub bulldozer, nws yuav tsum tau muab sau tseg tias lub thickness ntawm txhua txheej yuav tsum tsis txhob ntau tshaj 1.2m tuab. Qhov kev cuam tshuam rau cov aggregates yuav tsum raug txo kom tsawg thaum stacked los ntawm ib lub bulldozer, thiab cov pawg yuav tsum tsis txhob raug thawb mus rau hauv ib lub trough puab ntawm tib lub dav hlau.
(2) Txhua pawg ntawm cov ntaub ntawv nkag mus rau hauv qhov chaw yuav tsum tau kuaj thiab soj ntsuam raws li cov kev qhia tshwj xeeb rau cov kev qhia tshwj xeeb, kev ua kom tiav, cov ntsiab lus av nkos, cov ntsiab lus ntawm rab koob flake thiab lwm yam ntawm cov khoom sib sau. Tsuas yog tom qab nws tau lees paub tias tsim nyog nws tuaj yeem nkag mus rau hauv qhov chaw rau stacking, thiab daim ntawv lees paub yuav raug muab tawm. Txhua qhov ntsuas ntawm kev tshuaj xyuas cov khoom zoo yuav tsum ua raws li cov lus qhia tshwj xeeb thiab tus tswv cov ntaub ntawv xav tau. Thaum lub sij hawm kev tsim kho, cov yam ntxwv ntawm kev muab qhab nia ntawm cov khoom siv yuav tsum tsis tu ncua xyuas thiab saib xyuas kev hloov pauv.
[2]. Kev tsim kho ntawm aggregate, ntxhia hmoov thiab asphalt muab tshuab
(1) Tus neeg tsav tsheb thauj khoom yuav tsum tau ntsib sab ntawm pawg uas cov ntaub ntawv ntxhib tsis dov thaum thauj khoom. Thaum thauj khoom, lub thoob tso rau hauv pawg yuav tsum tau muab tso rau sab saum toj nrog lub boom, thiab tom qab ntawd nqis rov qab. Tsis txhob siv khawb los ntawm kev tig lub thoob txo cov khoom sib cais.
(2) Rau qhov chaw uas pom tseeb cov khoom sib cais tau tshwm sim, lawv yuav tsum tau muab rov qab ua ntej thauj khoom; tus neeg tsav tsheb thauj khoom yuav tsum nco ntsoov khaws txhua yam khoom txias rau hauv kom tsis txhob sib xyaw thaum thauj khoom.
(3) Kev khiav ntawm cov khoom txias yuav tsum tau kuaj xyuas ntau zaus kom tsis txhob cuam tshuam cov khoom siv thiab cov khoom surge.
(4) Kev ceev ntawm txoj siv kev pub mis yuav tsum tau khaws cia ntawm qhov nruab nrab ceev thaum ntsuas cov khoom tsim tau, thiab qhov kev hloov kho ceev yuav tsum tsis pub tshaj 20 mus rau 80% ntawm qhov ceev.
(5). Ore hmoov yuav tsum tau tiv thaiv los ntawm absorbing noo noo thiab clumping. Vim li no, cov cua compressed siv rau kev sib tsoo yuav tsum tau sib cais los ntawm dej ua ntej nws tuaj yeem siv tau. Cov hmoov nyob rau hauv lub ore hmoov conveying ntaus ntawv yuav tsum tau emptied tom qab ua tiav ntawm qhov project.
(6) Ua ntej kev ua haujlwm ntawm cov cuab yeej sib xyaw, cov roj cua sov yuav tsum pib ua kom sov lub asphalt hauv asphalt tank mus rau qhov ntsuas kub, thiab txhua qhov chaw ntawm asphalt mov system yuav tsum tau preheated. Thaum pib lub twj tso kua mis asphalt, cov roj inlet valve yuav tsum raug kaw thiab tso cai rau tsis ua haujlwm. Pib, ces maj mam qhib cov roj inlet valve thiab maj mam thauj khoom. Thaum kawg ntawm kev ua haujlwm, lub twj tso kua mis asphalt yuav tsum tau thim rov qab rau ob peb feeb kom tso cov asphalt hauv cov kav dej rov qab rau hauv asphalt tank.
[3]. Kev tsim kho kom qhuav thiab cua sov system
(1) Thaum pib ua haujlwm, lub nruas ziab yuav tsum tau pib los ntawm kev tswj tuav thaum lub kaw lus txias khoom kaw lawm. Lub burner yuav tsum tau ignited thiab lub tog raj kheej yuav tsum tau preheated nrog tsawg hluav taws rau 5 mus rau 10 feeb ua ntej loading. Thaum thauj khoom, tus nqi pub yuav tsum maj mam nce. Raws li qhov kub ntawm cov khoom kub ntawm qhov chaw nres nkoj tawm, cov roj ntim ntim tau maj mam nce mus txog thaum lub ntim ntau lawm thiab qhov ntsuas kub ruaj khov tau mus txog ua ntej hloov mus rau kev tswj tsis siv neeg.
(2) Thaum cov khoom siv txias txias dheev nres tsis pub noj lossis lwm yam xwm txheej tshwm sim thaum ua haujlwm, lub tshuab hluav taws xob yuav tsum tau muab tua ua ntej kom lub nruas tig mus ntxiv. Cov kiv cua induced yuav tsum txuas ntxiv mus rau cua, thiab tom qab ntawd kaw tom qab lub nruas txias tag. Lub tshuab yuav tsum tau kaw maj mam nyob rau hauv tib yam li thaum kawg ntawm hnub ua hauj lwm.
(4) Nco ntsoov xyuas seb lub ntsuas kub infrared puas huv si, so cov plua plav tawm, thiab tswj xyuas lub peev xwm zoo.
(5) Thaum cov dej noo ntawm cov khoom txias yog siab, qhov kev tswj tsis siv neeg yuav tsis tswj thiab qhov kub thiab txias yuav oscillate nce thiab nqis. Lub sijhawm no, kev tswj xyuas yuav tsum tau siv thiab cov khoom seem ntawm cov khoom siv kub yuav tsum tau kuaj xyuas. Yog tias nws siab dhau lawm, qhov ntim ntau lawm yuav tsum raug txo.
6) Cov dej seem seem ntawm cov khoom kub kub yuav tsum tau kuaj xyuas tsis tu ncua, tshwj xeeb tshaj yog nyob rau hnub los nag. Cov dej seem seem yuav tsum tau tswj qis dua 0.1%.
(7) Cov pa cua kub yuav tsum tsis txhob siab dhau lossis qis dhau. Nws yog feem ntau tswj ntawm ib ncig ntawm 135 ~ 180 ℃. Yog hais tias qhov tso pa tawm qhov kub thiab txias ntawm qhov sib sau ua ke, nws feem ntau yog vim muaj cov dej noo ntawm cov khoom txias. Ntau lawm ntim yuav tsum tau txo nyob rau hauv lub sij hawm.
(8) Lub siab sib txawv ntawm sab hauv thiab sab nraud ntawm lub hnab ntim plua plav yuav tsum tau khaws cia nyob rau hauv ib qho chaw. Yog tias qhov sib txawv ntawm qhov siab loj dhau lawm, nws txhais tau hais tias lub hnab ntim tau nruj heev, thiab lub hnab yuav tsum tau ua tiav thiab hloov lub sijhawm.
[4]. Kev tsim kho cov khoom siv kub tshuaj ntsuam xyuas thiab kev cia khoom
(1) Cov khoom siv kub tshuaj ntsuam xyuas yuav tsum tau kuaj xyuas tsis tu ncua kom pom tias nws yog overloaded thiab seb lub vijtsam raug thaiv lossis muaj qhov. Yog tias nws pom tias cov khoom sib txuam ntawm qhov screen siab dhau lawm, nws yuav tsum tau nres thiab kho.
(2) Qhov sib xyaw ntawm 2 # kub silo yuav tsum tau kuaj xyuas ib ntus, thiab qhov sib xyaw yuav tsum tsis pub tshaj 10%.
(3) Thaum cov khoom siv ntawm cov khoom kub tsis sib npaug thiab qhov ntws ntawm cov khoom txias rau hauv yuav tsum tau hloov, maj mam kho nws. Kev pub khoom noj ntawm ib qho khoom noj yuav tsum tsis txhob maj mam nce ntxiv, txwv tsis pub cov gradation ntawm tag nrho yuav cuam tshuam loj heev.
[5]. Kev tsim kho ntawm metering tswj thiab sib tov system
(1) Cov ntaub ntawv hnyav ntawm txhua pawg sib xyaw ua ke sau los ntawm lub khoos phis tawj yog lub zog txhais tau tias los xyuas seb qhov ntsuas ntsuas puas ua haujlwm li qub. Tom qab lub tshuab tau qhib txhua hnub thiab kev ua haujlwm ruaj khov, cov ntaub ntawv hnyav yuav tsum tau luam tawm tsis tu ncua rau 2 teev, thiab nws cov txheej txheem tsis raug thiab qhov tsis zoo yuav tsum tau txheeb xyuas. Yog tias nws pom tias cov kev xav tau tshaj li qhov yuav tsum tau ua, cov txheej txheem ua haujlwm yuav tsum tau kuaj xyuas lub sijhawm, cov laj thawj yuav tsum tau txheeb xyuas, thiab lawv yuav tsum raug tshem tawm.
(2) Lub tshuab sib tov yuav tsum tsis txhob nres thaum lub sij hawm sib tov. Thaum cov khoom sib tov tsis ua haujlwm thaum tos lub tsheb thauj khoom, cov khoom sib xyaw hauv lub tank yuav tsum tau muab pov tseg.
(3) Tom qab lub tank sib xyaw ua tiav txhua hnub, lub tank sib xyaw yuav tsum tau txhuam nrog cov khoom siv pob zeb kub kom tshem tawm cov seem asphalt hauv lub tank sib tov. Feem ntau, coarse aggregate thiab nplua aggregate yuav tsum tau siv los ntxuav 1 mus rau 2 zaug txhua.
(4) Thaum siv lub lifting hopper rau unload cov khoom sib tov rau hauv cov khoom tiav silo, lub hopper yuav tsum tau muab tso rau hauv nruab nrab ntawm lub silo kom tawm, txwv tsis pub longitudinal segregation yuav tshwm sim nyob rau hauv lub chim, uas yog, cov khoom ntxhib yuav yob. mus rau ib sab ntawm lub silo.
(5) Thaum cov khoom siv scraper siv los tshem tawm cov khoom sib xyaw rau hauv batching hopper thiab tom qab ntawd mus rau hauv cov khoom tiav lawm, ib feem ntawm cov khoom sib xyaw yuav tsum tau txais kev cawmdim rau txhua qhov tso tawm ntawm cov khoom xyaw los tiv thaiv cov khoom sib xyaw los ntawm scraper. los ntawm kev poob ncaj qha rau hauv cov khoom tom qab tag nrho cov ntaub ntawv yog emptied. segregation nyob rau hauv lub warehouse.
6) Thaum tshem tawm cov ntaub ntawv los ntawm cov khoom tiav tiav mus rau lub tsheb thauj khoom, lub tsheb thauj khoom tsis raug tso cai txav thaum thauj khoom tab sis yuav tsum tau muab tshem tawm hauv pawg. Txwv tsis pub, kev sib cais loj yuav tshwm sim. Cov neeg tsav tsheb tseem tsis tau tso cai ntxiv cov khoom me me rau hauv pawg kom ncav cuag lub peev xwm ntsuas. ntawm sib tov.
(7) Thaum tshem tawm cov khoom siv los ntawm cov khoom lag luam tiav, lub qhov rooj tawm yuav tsum qhib sai thiab cov khoom sib xyaw yuav tsum tsis txhob tso cai kom ntws tawm maj mam kom tsis txhob muaj kev sib cais.
(8) Thaum thauj khoom mus rau lub tsheb thauj khoom, nws tsis raug tso cai thauj mus rau qhov chaw ntawm lub tsheb thauj khoom. Cov khoom yuav tsum tau muab tso rau pem hauv ntej ntawm lub tsheb trough, ces mus rau nram qab, thiab ces mus rau qhov chaw.
[6]. Kev sib xyaw tswj ntawm asphalt sib tov
(1) Nyob rau hauv cov txheej txheem ntawm asphalt sib tov, cov ntsuas xws li qhov ntau npaum thiab sib tov kub ntawm asphalt thiab ntau yam ntaub ntawv ntxhia tuaj yeem raug luam tawm los ntawm phaj, thiab qhov hnyav ntawm asphalt sib tov tuaj yeem luam tawm kom raug.
(2) Kev tswj qhov kub thiab txias ntawm asphalt. Lub twj tso kua mis asphalt ua tau raws li cov hauv paus ntsiab lus ntawm kev siv dej thiab kev tso tawm tsis zoo thiab tuaj yeem ua tau raws li qhov yuav tsum tau ua ntawm cov cua sov ntawm cov txheej asphalt qis ntawm 160 ° C thiab 170 ° C thiab cov cua kub ntawm cov ntxhia sib xyaw ntawm 170 ° C thiab 180 ° C.
(3) Lub sijhawm sib xyaw yuav tsum yog qhov sib xyaw asphalt sib xyaw ua ke, nrog cov xim dub ci, tsis muaj xim dawb, agglomeration los yog sib cais ntawm cov tuab thiab zoo aggregates. Lub sij hawm sib xyaw yog tswj tau 5 vib nas this rau kev sib xyaw qhuav thiab 40 vib nas this rau kev sib xyaw ntub dej (yuav tsum tau los ntawm tus tswv).
(4) Thaum lub sijhawm sib xyaw ua haujlwm, tus neeg teb xov tooj tuaj yeem saib xyuas ntau yam ntaub ntawv ntsuas txhua lub sijhawm, saib xyuas cov xwm txheej ua haujlwm ntawm ntau lub tshuab thiab xim daim ntawv ntawm lub Hoobkas sib tov, thiab sib txuas lus nrog lub chaw soj nstuam sai thiab hloov kho yog tias pom muaj qhov txawv txav. .
(5) Thaum lub sij hawm tsim cov txheej txheem, qhov zoo ntawm cov ntaub ntawv thiab qhov kub thiab txias, mix ratio thiab whetstone ratio ntawm cov sib tov yuav tsum tau soj ntsuam raws li qhov ntau zaus thiab txoj kev, thiab cov ntaub ntawv yuav tsum tau ua raws.
[7]. Kev tswj kub thaum lub sij hawm tsim kho ntawm asphalt sib tov
Kev tswj hwm qhov kub thiab txias ntawm asphalt sib tov yog raws li qhia hauv qab no.
Kub lub npe ntawm txhua tus txheej txheem Kub tswj qhov yuav tsum tau ua ntawm txhua tus txheej txheem
Asphalt cua sov kub 160 ℃ ~ 170 ℃
Mineral khoom cua kub kub 170 ℃ ~ 180 ℃
Lub Hoobkas kub ntawm qhov sib tov yog nyob rau hauv qhov qub ntawm 150 ℃ ~ 165 ℃.
Qhov kub ntawm qhov sib tov thauj mus rau qhov chaw yuav tsum tsis txhob qis dua 145 ℃
Paving kub 135 ℃ ~ 165 ℃
Rolling kub tsis tsawg tshaj 130 ℃
Qhov kub ntawm qhov chaw tom qab dov tsis pub tsawg tshaj 90 ℃
Qhib kev khiav tsheb kub tsis siab tshaj 50 ℃
[8]. Kev thauj cov tsheb thauj khoom ntawm asphalt mixing cog
Cov tsheb thauj khoom asphalt sib tov yog tag nrho tshaj 15t, ua tau raws li qhov loj-tonnage thermal rwb thaiv tsev yuav tsum tau, thiab yog them nrog tarpaulin rwb thaiv tsev thaum lub sij hawm thauj mus los. Txhawm rau tiv thaiv asphalt los ntawm kev lo rau lub tsheb thauj khoom, tom qab ntxuav cov hauv qab thiab sab ntawm lub tsheb, siv ib txheej nyias ntawm cov roj thermal thiab dej (roj: dej = 1: 3) sib npaug ntawm cov saw hlau stainless, thiab ntxuav lub log.
Thaum thauj cov khoom thauj khoom ntawm qhov chaw nres nkoj tawm, nws yuav tsum txav chaw nres tsheb rov qab mus rau hauv qhov kev txiav txim ntawm pem hauv ntej, nraub qaum thiab nruab nrab. Nws yuav tsum tsis txhob piled siab kom txo tau qhov sib cais ntawm ntxhib thiab nplua aggregates. Tom qab lub tsheb thauj khoom thiab ntsuas qhov kub thiab txias, qhov sib xyaw asphalt yog tam sim ntawd npog nruj nreem nrog ib qho insulating tarpaulin thiab thauj mus rau qhov chaw paving smoothly.
Raws li kev soj ntsuam ntawm txoj kev tsim kho thiab kev tswj xyuas ntawm asphalt qhob mixing chaw nres tsheb, cov ntsiab lus tseem ceeb yog tswj kev sib xyaw, kub thiab thauj khoom ntawm asphalt sib tov, nrog rau kev sib tov thiab dov kub ntawm asphalt pob zeb, yog li ntawd. kom ntseeg tau qhov zoo thiab kev txhim kho ntawm tag nrho txoj kev loj pavement kev txhim kho.