Kev tshuaj xyuas ntawm kev tswj xyuas kev tsim khoom thiab kev ua txhaum ntau hauv asphalt mixing nroj tsuag
[1]. Cov yam tseem ceeb cuam tshuam rau kev tsim khoom zoo ntawm asphalt mixing nroj tsuag
1. Qhov sib xyaw ntawm asphalt pob zeb tsis raug
Qhov sib xyaw ua ke ntawm asphalt sib xyaw ua haujlwm los ntawm tag nrho cov txheej txheem kev tsim kho ntawm txoj kev nto, yog li kev sib txuas ntawm kev sib xyaw ua ke thiab cov khoom sib xyaw ua ke ua lub luag haujlwm tseem ceeb hauv kev tsim khoom thiab kev tsim kho. Tsis tsim nyog ntau lawm sib piv ntawm asphalt sib tov yuav ua rau lub asphalt pob zeb tsis tsim nyog, uas cuam tshuam rau lub neej kev pab cuam ntawm asphalt qhob pavement thiab tus nqi tswj ntawm asphalt qhob pavement.
2. Qhov ntsuas kub ntawm asphalt pob zeb tsis ruaj khov
"Technical Specifications for Highway Asphalt Pavement Construction" qhia meej meej tias rau kev sib xyaw asphalt sib xyaw cov nroj tsuag, cov cua kub ntawm asphalt yuav tsum tau tswj nyob rau hauv thaj tsam ntawm 150-170 ° C, thiab qhov kub ntawm qhov sib xyaw yuav tsum yog 10-10%. siab tshaj qhov kub asphalt. -20 ℃, lub Hoobkas kub ntawm qhov sib tov yog feem ntau 140 txog 165 ℃. Yog tias qhov kub tsis tau raws li tus qauv, cov paj yuav tshwm sim, tab sis yog tias qhov kub thiab txias siab dhau lawm, cov asphalt yuav hlawv, cuam tshuam rau qhov zoo ntawm txoj kev paving thiab dov.
3. Sib tov sib xyaw
Ua ntej sib xyaw cov ntaub ntawv, cov qauv boiler thiab cov ntsuas yuav tsum nruj me ntsis soj ntsuam ntawm cov khoom sib xyaw thiab cov cuab yeej txhawb nqa kom ntseeg tau tias txhua qhov chaw ua haujlwm tau zoo. Nyob rau tib lub sijhawm, cov cuab yeej ntsuas ntsuas yuav tsum tau kuaj xyuas tsis tu ncua kom paub meej tias cov asphalt thiab cov sib xyaw ua ke hauv qhov sib xyaw ua tau raws li qhov yuav tsum tau ua ntawm "Technical Specifications". Cov cuab yeej tsim khoom ntawm cov khoom sib xyaw yuav tsum muab tso rau hauv qhov chaw dav nrog kev thauj mus los yooj yim. Nyob rau tib lub sijhawm, cov khoom siv tiv thaiv dej tsis tu ncua, kev tiv thaiv los nag, kev tiv thaiv hluav taws thiab lwm yam kev ntsuas kev nyab xeeb yuav tsum tau npaj ntawm qhov chaw. Tom qab sib tov sib xyaw ua ke, nws yuav tsum tau hais tias tag nrho cov pob zeb hauv av yuav tsum tau qhwv los ntawm asphalt, thiab yuav tsum tsis muaj qhov sib npaug, tsis muaj teeb meem dawb, tsis muaj agglomeration lossis cais. Feem ntau, lub sijhawm sib xyaw ntawm asphalt sib tov yog 5 mus rau 10 vib nas this rau kev sib xyaw qhuav thiab ntau dua 45 vib nas this rau kev sib xyaw ntub dej, thiab lub sijhawm sib xyaw ntawm SMA sib tov yuav tsum raug ncua kom tsim nyog. Lub sij hawm sib tov ntawm qhov sib tov tsis tuaj yeem txo qis kom nce cov khoom tsim tau.
[2]. Kev tshuaj xyuas qhov ua txhaum ntau hauv asphalt pob zeb sib xyaw cov nroj tsuag
1. Kev soj ntsuam tsis ua tiav ntawm cov khoom siv txias pub mis
Txawm hais tias qhov hloov pauv ceev siv lub cev muaj zog lossis cov khoom siv txias yog daig hauv ib yam dab tsi, nws yuav muaj kev cuam tshuam rau kev kaw ntawm qhov sib txawv ntawm txoj siv conveyor. Yog hais tias lub voj voog ntawm qhov sib txawv ntawm qhov sib txawv ntawm txoj siv conveyor tsis ua haujlwm, kev tshuaj xyuas kom ntxaws ntawm cov zaus hloov pauv yuav tsum tau ua kom pom tias nws tuaj yeem ua haujlwm. Feem ntau, yog tias tsis muaj qhov luv luv, txoj siv conveyor yuav tsum tau kuaj xyuas seb nws puas yog deviating lossis slipping. Yog hais tias nws yog ib qho teeb meem nrog txoj siv conveyor, nws yuav tsum tau kho tam sim ntawd thiab tsim nyog los xyuas kom meej qhov kev ua haujlwm ntawm kev ua haujlwm.
2. Kev tshuaj xyuas cov teeb meem sib tov
Cov teeb meem tov khoom feem ntau tshwm sim hauv lub suab nrov txawv txav thaum lub sij hawm tsim kho. Nyob rau lub sijhawm no, peb yuav tsum xub xav txog seb lub cev muaj zog bracket tsis ruaj khov vim yog cov khoom siv ntau dhau. Hauv lwm qhov xwm txheej, peb yuav tsum xav txog seb cov bearings uas ua lub luag haujlwm ruaj khov yuav puas. Qhov no xav kom cov neeg ua haujlwm ua tiav kev tshuaj xyuas, kho cov kabmob, thiab hloov cov khoom sib xyaw ua ke kom raug raws sijhawm los tiv thaiv qhov tsis sib xws ntawm qhov sib tov.
3. Kev soj ntsuam ntawm cov teeb meem sensor
Muaj ob qhov xwm txheej thaum muaj teeb meem nrog lub sensor. Ib qho xwm txheej yog thaum tus nqi thauj khoom ntawm lub silo tsis raug. Lub sijhawm no, lub sensor yuav tsum tau kuaj xyuas. Yog tias lub sensor tsis ua haujlwm, nws yuav tsum tau hloov lub sijhawm. Lwm qhov xwm txheej yog thaum lub scale beam daig. Yog tias muaj teeb meem nrog lub sensor, kuv yuav tsum tau tshem tawm cov teeb meem txawv teb chaws tam sim ntawd.
4. Lub burner tsis tuaj yeem ignite thiab hlawv ib txwm.
Rau qhov teeb meem uas lub incinerator tsis tuaj yeem ignite ib txwm thaum cov khoom yog rhuab, tus neeg teb xov tooj yuav tsum tau txais cov txheej txheem hauv qab no los daws qhov teeb meem: kev tshuaj xyuas tag nrho ntawm chav ua haujlwm thiab txhua yam khoom siv hluav taws xob, xws li cov khoom siv hluav taws xob sib txuas, fais fab mov, cov menyuam, kiv cua thiab lwm yam Cheebtsam Saib xyuas kom meej, tom qab ntawd xyuas txoj haujlwm ntawm lub tshuab hluav taws xob sib txuas ntawm lub kiv cua, tshawb xyuas qhov xwm txheej ntawm lub qhov rooj cua txias, qhov qhib thiab kaw ntawm lub qhov rooj kiv cua, qhov xwm txheej ntawm lub tshuab ziab khaub ncaws. thiab cov xwm txheej hauv siab, seb lub ntsuas puas nyob hauv phau ntawv hom iav, thiab txhua qhov ntsuas tau tsim nyog. Hauv lub xeev, nkag mus rau theem ob ntawm kev tshuaj xyuas: xyuas seb cov roj hluav taws xob puas meej, seb lub tshuab hluav taws xob puas zoo li qub, thiab seb lub pob hluav taws xob puas puas lawm. Yog tias qhov teeb meem nrhiav tsis tau, mus rau theem thib peb thiab tshem tawm cov hluav taws xob incinerator. Tshem tawm cov cuab yeej thiab xyuas nws qhov kev huv, suav nrog seb cov roj hluav taws xob puas raug thaiv los ntawm cov roj av thiab seb puas muaj qhov kev ncua deb ntawm cov electrodes. Yog tias qhov kev kuaj xyuas saum toj no yog qhov qub, tom qab ntawd koj yuav tsum tau ua cov lus qhia ntxaws txog kev ua haujlwm ntawm cov roj twj tso kua mis. Tshawb xyuas thiab sim seb qhov siab ntawm lub twj tso kua mis qhov chaw nres nkoj puas ua tau raws li ib txwm muaj.
5. Kev soj ntsuam ntawm qhov txawv txav tsis zoo siab ua haujlwm
Cov yam ntxwv cuam tshuam rau ntawm lub siab sab hauv ntawm lub tshuab raj feem ntau suav nrog ob yam: lub tshuab blower thiab lub kiv cua induced. Thaum lub tshuab tshuab ua kom lub siab zoo hauv lub nruas, cov cua ntsawj ntshab yuav ua rau lub siab tsis zoo hauv lub nruas, thiab lub siab tsis zoo generated tsis tuaj yeem loj heev, txwv tsis pub plua plav tawm ntawm plaub sab ntawm lub nruas thiab cuam tshuam rau ib puag ncig ib puag ncig.
Thaum tsis zoo siab tshwm sim hauv lub nruas ziab, cov neeg ua haujlwm yuav tsum ua cov haujlwm hauv qab no: txhawm rau txiav txim siab qhov kev ua haujlwm ntawm lub damper, cov cua nkag ntawm cov kiv cua induced yuav tsum tau soj ntsuam nruj me ntsis. Thaum lub damper tsis txav, koj tuaj yeem teem nws mus rau kev tuav haujlwm, kho lub damper mus rau txoj hauj lwm ntawm tes, xyuas seb nws puas khiav zoo li qub, thiab tshem tawm qhov teeb meem uas nws daig. Yog tias nws tuaj yeem qhib tau manually, tom qab ntawd ua raws li cov kauj ruam Ua kom ntxaws ntxaws ntawm cov txheej txheem cuam tshuam. Qhov thib ob, nyob rau hauv qhov tseeb hais tias lub damper ntawm induced cua ntsawj ntshab ntxuam yuav siv tau ib txwm, cov neeg ua hauj lwm yuav tsum tau ua ib tug ncauj lus kom ntxaws soj ntsuam ntawm lub pulse board, xyuas seb puas muaj lus nug txog nws txoj hlua hluav taws xob los yog hluav taws xob hloov, nrhiav qhov ua rau muaj kev huam yuaj, thiab daws nws scientifically raws sijhawm.
6. Kev soj ntsuam ntawm qhov tsis tsim nyog roj-pob zeb piv
Qhov sib piv ntawm whetstone yog hais txog qhov loj ntawm asphalt rau xuab zeb thiab lwm cov fillers hauv asphalt pob zeb. Nws yog ib qho tseem ceeb heev rau kev tswj xyuas qhov zoo ntawm asphalt pob zeb. Yog tias qhov piv ntawm cov roj rau pob zeb loj heev, nws yuav ua rau "roj ncuav mog qab zib" tshwm sim tom qab paving thiab dov. Txawm li cas los xij, yog tias cov roj-pob zeb sib piv me me dhau, cov khoom siv pob zeb yuav sib txawv, ua rau dov tsis ua haujlwm. Ob qhov xwm txheej no yog kev raug mob hnyav.
7. Txheeb xyuas qhov teeb meem
Qhov teeb meem tseem ceeb ntawm qhov screen yog qhov tshwm sim ntawm qhov nyob rau hauv qhov screen, uas yuav ua rau cov aggregates los ntawm qib dhau los mus rau hauv lub silo ntawm qib tom ntej. Cov sib tov yuav tsum tau coj mus kuaj rau extraction thiab tshuaj ntsuam. Yog hais tias lub whetstone ntawm qhov sib tov yog qhov loj, , qhov tshwm sim ntawm cov roj ncuav mog qab zib yuav tshwm sim tom qab paving thiab dov txoj kev nto. Yog li ntawd, yog tias txhua lub sijhawm lossis qhov txawv txav tshwm sim hauv kev rho tawm thiab tshuaj xyuas cov ntaub ntawv, koj yuav tsum xav txog kev tshuaj xyuas qhov screen.
[3]. Kev saib xyuas ntawm asphalt qhob mixing cog
1. Kev tu lub tank
Lub asphalt cog tank yog ib qho khoom siv tseem ceeb ntawm cov pob zeb sib xyaw cog thiab yuav raug hnav thiab tsim kua muag. Feem ntau, cov ntawv hauv ob sab phlu, sib xyaw caj npab, cov hniav thiab lub qhov rooj sib khi ntawm cov khoom sib xyaw asphalt yuav tsum tau hloov kho thiab hloov lub sijhawm raws li kev hnav thiab tsim kua muag, thiab tom qab txhua qhov sib xyaw ua ke, lub tank yuav tsum tau yaug lub sijhawm los ntxuav qhov sib tov. cog. Cov pob zeb uas tseem tshuav hauv lub tank thiab cov pob zeb txuas nrog cov khoom siv lub qhov rooj yuav tsum tau ntxuav kom huv si kom tsis txhob muaj cov pob zeb hauv lub tank los ntawm solidifying. Tsis tas li xyuas ntau zaus seb cov khoom siv qhov rooj qhib thiab kaw yooj yim kom tsis txhob cuam tshuam ntawm cov khoom siv lub qhov rooj. Thaum tuav lub tank, cov khoom siv hluav taws xob yuav tsum raug txiav, thiab ib tus neeg mob siab rau yuav tsum tau ua tib zoo saib xyuas. Ua ntej txhua qhov nqa, xyuas kom tsis muaj cov khoom txawv teb chaws hauv lub tank, thiab tsis txhob pib lub cav tseem ceeb nrog kev thauj khoom.
2. Kev tu cov hlab ntsha limiter
Cov limiters ntawm asphalt qhob mixing cog muaj xws li kev txwv sab sauv, qis qis, txwv kev txwv thiab Circuit Court breaker, thiab lwm yam. Thaum lub sij hawm ua hauj lwm, qhov rhiab heev thiab kev ntseeg siab ntawm txhua qhov txwv hloov yuav tsum tau ua tib zoo xyuas ntau zaus. Cov ntsiab lus tshuaj xyuas feem ntau suav nrog seb cov khoom siv hluav taws xob tswj, cov pob qij txha thiab cov xaim puas nyob hauv qhov zoo, thiab seb cov circuits puas zoo li qub. Qhov no yuav muaj kev cuam tshuam rau kev ua haujlwm nyab xeeb ntawm cov nroj tsuag sib xyaw.
[4]. Asphalt sib tov sib xyaw kom zoo tswj kev ntsuas
1. Coarse aggregate plays lub luag haujlwm tseem ceeb hauv asphalt pob zeb. Feem ntau hais lus, pob zeb nrog qhov loj me ntawm 2.36 txog 25mm feem ntau hu ua coarse aggregate. Nws yog tsuas yog siv nyob rau hauv txheej txheej ntawm pob zeb los txhawb cov khoom siv granular, nce nws cov kev sib txhuam thiab txo qhov cuam tshuam ntawm kev hloov pauv. Qhov no yuav tsum tau hais tias tus neeg kho tshuab qauv ntawm cov ntxhib aggregate tuaj yeem phim nws cov kev xav tau hauv thaj chaw tshuaj lom neeg, thiaj li ua tiav lub hom phiaj kev ua haujlwm. Xav tau thiab muaj cov khoom siv lub cev tshwj xeeb, xws li lub cev nqaij daim tawv nqaij kub siab, cov khoom siv ntom ntom thiab lub zog cuam tshuam rau cov khoom. Tom qab cov ntxhib sib sau ua ke yog crushed, qhov saum npoo yuav tsum nyob twj ywm ntxhib, thiab cov duab ntawm lub cev yuav tsum yog lub voos xwmfab nrog cov npoo pom tseeb thiab cov ces kaum, qhov twg cov ntsiab lus ntawm rab koob zoo li cov khoom yuav tsum tau khaws cia ntawm qis qis, thiab kev sib txhuam sab hauv yog kuj muaj zog. Crushed pob zeb nrog qhov ntau thiab tsawg ntawm kwv yees li ntawm 0.075 mus rau 2.36mm yog sib sau ua ke hu ua nplua aggregates, uas feem ntau suav nrog slag thiab ntxhia hmoov. Ob hom kev nplua zoo no muaj kev tu xyuas nruj heev thiab tsis raug tso cai los txuas lossis ua txhua yam. Rau cov khoom tsim kev puas tsuaj, kev sib cuam tshuam ntawm cov khoom yuav tsum tau tsim kom muaj zog, thiab qhov sib txawv ntawm cov khoom sib xyaw yuav tsum tau compressed los txhim kho qhov ruaj khov thiab lub zog ntawm cov khoom.
2. Thaum sib tov sib xyaw, qhov sib tov yuav tsum tau nqa tawm nruj me ntsis raws li kev tsim kho kub uas tau teev tseg rau kev sib xyaw asphalt. Ua ntej kev sib xyaw ntawm cov khoom sib tov pib txhua hnub, qhov kub yuav tsum tsim nyog nce ntawm 10 ° C mus rau 20 ° C raws li qhov ntsuas kub no. Nyob rau hauv no txoj kev, asphalt mixing Qhov zoo ntawm cov ntaub ntawv yog heev pab tau. Lwm txoj hauv kev yog kom txo qis cov khoom sib xyaw kom haum rau hauv lub thoob kom qhuav, nce qhov kub ntawm cov nplaim taws, thiab xyuas kom meej tias thaum pib sib tov, cov cua kub ntawm cov ntxhib thiab nplua aggregates thiab asphalt yog me ntsis siab dua li cov nqi teev, qhov no. tuaj yeem tiv thaiv cov pob zeb asphalt sib tov kom tsis txhob muab pov tseg.
3. Ua ntej kev tsim kho ua haujlwm, kev tshuaj xyuas gradation ntawm aggregate particles yuav tsum tau ua ua ntej. Cov txheej txheem tshuaj xyuas no tseem ceeb heev thiab cuam tshuam ncaj qha rau kev tsim kho ntawm qhov project. Raws li qhov xwm txheej ib txwm muaj, feem ntau muaj qhov sib txawv loj ntawm qhov kev faib ua feem tiag tiag thiab lub hom phiaj feem. Txhawm rau kom zoo dua ua kom muaj qhov sib npaug sib npaug nrog lub hom phiaj kev faib ua feem, nws yog ib qho tsim nyog yuav tsum ua kom muaj kev hloov kho zoo nyob rau hauv cov nqe lus ntawm lub cev muaj zog rotation ceev ntawm lub hopper thiab pub noj txaus tus nqi. , kom zoo dua kom sib xws thiab yog li zoo dua ua tiav qhov sib txuam.
4. Nyob rau tib lub sijhawm, lub peev xwm ntawm kev tshuaj ntsuam ntawm lub vijtsam cuam tshuam rau kev teeb tsa ntawm ib nrab thiab hauv pem teb tso zis rau qee yam. Nyob rau hauv cov ntaub ntawv ntawm kev paub tsawg dua, yog tias koj xav ua txoj haujlwm zoo hauv kev tshuaj ntsuam xyuas, koj yuav tsum teeb tsa cov zis sib txawv. ua kom tiav. Txhawm rau kom ntseeg tau tias cov khoom lag luam ib txwm muaj ntawm geotextiles thiab xyuas kom meej tias tsis muaj qhov yuam kev loj hauv kev muab qhab nia ntawm cov ntaub ntawv ntxhia, cov ntaub ntawv ntxhia yuav tsum tau muab faib ua raws li qhov xav tau ua ntej kev tsim kho, thiab cov khoom lag luam yuav tsum sib npaug nrog cov txheej txheem. , kom nws tsis hloov thaum lub sij hawm tsim kho.
5. Raws li kev siv cov asphalt sib xyaw ua ke, nws yog ib qho tsim nyog los teeb tsa qhov kev siv tiag tiag ntawm cov khoom sib xyaw tshwj xeeb thiab cov hmoov ntxhia, thiab tib lub sijhawm kom tsim nyog txo qhov kev siv cov hmoov ntxhia hmoov; Thib ob, ua tib zoo saib tsis tuaj yeem siv nws thaum lub sijhawm sib xyaw ua haujlwm. Hloov qhov loj ntawm lub damper, thiab muab cov neeg ua haujlwm tshaj lij los ua cov kev tshuaj xyuas tsis tu ncua kom ntseeg tau tias cov tuab ntawm asphalt membrane ua tau raws li qhov yuav tsum tau ua, tiv thaiv kev sib xyaw kom pom cov xim dawb, thiab txhim kho kev tsim kho kom zoo.
6. Lub sijhawm sib xyaw thiab qhov sib xyaw ntawm qhov sib tov yuav tsum tau tswj nruj me ntsis. Lub uniformity ntawm asphalt sib tov muaj kev sib raug zoo heev nrog rau qhov ntev ntawm qhov sib tov. Qhov ob yog ncaj qha proportional, uas yog, lub sij hawm ntev, qhov ntau uniform nws yuav. Txawm li cas los xij, yog tias lub sijhawm tswj tsis tau zoo, asphalt yuav muaj hnub nyoog, uas yuav cuam tshuam rau qhov zoo ntawm qhov sib tov. cuam tshuam rau qhov zoo. Yog li ntawd, qhov kub thiab txias yuav tsum tau tswj xyuas kev tshawb fawb thaum sib tov. Lub sij hawm sib xyaw ntawm txhua lub phaj ntawm cov khoom sib txuam sib xyaw yog tswj ntawm 45-50 vib nas this, thaum lub sij hawm sib tov qhuav yuav tsum ntev tshaj 5-10 vib nas this, nyob ntawm seb lub sij hawm sib tov ntawm cov khoom sib tov. Do tusyees raws li tus qauv.
Nyob rau hauv luv luv, raws li ib tug sib tov cog cov neeg ua hauj lwm nyob rau hauv lub tshiab era, peb yuav tsum tau paub txog qhov tseem ceeb ntawm kev ntxiv dag zog rau qhov zoo thiab kev saib xyuas ntawm asphalt mixing khoom. Tsuas yog los ntawm kev tswj hwm qhov zoo ntawm asphalt mixing nroj tsuag kom zoo tuaj yeem ua kom cov asphalt sib xyaw Tsuas yog los ntawm kev txhim kho qhov zoo ntawm cov nroj tsuag sib xyaw ua ke tuaj yeem tsim cov khoom zoo tshaj plaws thiab muaj txiaj ntsig asphalt sib tov, tso lub hauv paus ruaj khov rau kev txhim kho qhov project zoo.