Thaum xaiv asphalt mixing cog, tsis yog tsuas yog saib tus nqi, tab sis kuj xyuam xim rau cov khoom zoo, tom qab tag nrho, qhov zoo cuam tshuam ncaj qha rau kev pab cuam lub neej ntawm asphalt cog. Raws li cov teeb meem xws li cov cuab yeej tsis ua haujlwm, peb lub tuam txhab tau sib koom ua ke xyoo ntawm kev ua haujlwm los tshuaj xyuas qhov ua tsis tiav hauv asphalt pob zeb sib xyaw cov nroj tsuag, uas tau sau tseg raws li hauv qab no:

1. Cov zis tsis ruaj khov thiab cov khoom siv qis qis ua haujlwm zoo
Thaum lub sij hawm kev tsim kho thiab ntau lawm, yuav muaj xws li ib tug tshwm sim: lub peev xwm ntau lawm ntawm asphalt cog yog tiag tiag tsis txaus, lub peev xwm ntau lawm yog deb tshaj li qhov muaj peev xwm ntau lawm, efficiency yog tsawg, thiab txawm tias qhov kev kawm ntawm lub sijhawm ua haujlwm tau cuam tshuam. Peb lub tuam txhab cov kws tshaj lij cov khaub ncaws ua haujlwm tau piav qhia tias cov laj thawj tseem ceeb rau kev ua tsis tiav hauv asphalt mixing nroj tsuag yog raws li hauv qab no:

(1) Kev sib xyaw tsis raug
Txhua tus paub tias qhov sib xyaw ua ke ntawm peb cov pob zeb asphalt yog lub hom phiaj sib xyaw thiab cov khoom sib xyaw ua ke. Lub hom phiaj sib xyaw yog los tswj qhov kev faib ua feem ntawm cov xuab zeb thiab pob zeb txias khoom xa tuaj, thiab cov khoom sib xyaw ua ke yog qhov sib xyaw ntawm ntau yam xuab zeb thiab pob zeb cov ntaub ntawv hauv cov khoom tiav asphalt pob zeb uas tau teev tseg hauv kev tsim. Qhov sib tov ntau lawm yog txiav txim los ntawm lub chaw soj nstuam, uas txiav txim siab qhov ntsuas qhov ntsuas ntawm cov pob zeb ua tiav asphalt. Lub hom phiaj sib xyaw yog teem rau ntxiv lav qhov kev sib xyaw ua ke, thiab nws tuaj yeem hloov kho raws li qhov xwm txheej tiag tiag thaum lub sijhawm tsim khoom. Thaum lub hom phiaj sib xyaw lossis cov khoom sib xyaw ua ke tsis raug, cov khoom siv raw uas khaws cia hauv txhua qhov ntsuas ntawm qhov chaw sib xyaw yuav tsis sib haum, thiab qee cov ntaub ntawv dhau los, qee yam khoom siv, thiab lwm yam, tsis tuaj yeem ntsuas lub sijhawm, ua rau lub xeev tsis muaj zog. ntawm lub tank sib tov, thiab cov kev ua haujlwm ntau lawm yog naturall qis.

(2) Tsis tsim nyog gradation ntawm xuab zeb thiab pob zeb aggregates
Cov xuab zeb thiab pob zeb aggregates siv nyob rau hauv kev tsim cov asphalt sib tov muaj ib tug gradation ntau yam. Yog tias kev tswj kev noj zaub mov tsis nruj thiab qhov gradation hnyav tshaj qhov ntau, ntau qhov "khoom siv" yuav raug tsim, uas yuav ua rau lub qhov hnyav hnyav tsis hnyav rau lub sijhawm. Tsis tsuas yog nws ua rau cov zis qis, tab sis nws kuj ua rau cov khoom siv pov tseg ntau heev, uas ua rau cov nqi nce ntxiv yam tsis tsim nyog.

(3) Cov dej noo ntawm cov xuab zeb thiab pob zeb yog siab dhau
Thaum peb yuav cov cuab yeej sib xyaw asphalt, peb paub tias nws lub peev xwm tsim tau zoo sib xws rau cov qauv khoom siv. Txawm li cas los xij, thaum cov dej noo nyob hauv cov xuab zeb thiab pob zeb aggregates siab dhau lawm, lub peev xwm ziab ntawm cov cuab yeej yuav txo qis, thiab cov xuab zeb thiab gravel aggregates uas tuaj yeem muab tau rau hauv lub ntsuas ntsuas kom ncav cuag qhov ntsuas kub hauv ib lub sijhawm. yuav txo tau raws li, kom cov zis yuav txo.

(4) Roj combustion nqi tsawg
Cov roj siv hauv asphalt sib xyaw cog muaj qee qhov yuav tsum tau ua, feem ntau hlawv roj diesel, hnyav diesel lossis roj hnyav. Qee lub tsev tsim kho tab tom sim txuag nyiaj thaum tsim kho, thiab qee zaum hlawv cov roj sib xyaw. Cov roj zoo li no muaj tus nqi qis qis thiab ua kom muaj cua sov tsawg, uas cuam tshuam rau lub peev xwm cua sov ntawm lub tog raj kheej kom qhuav thiab txo cov peev txheej ntau lawm. Txoj kev zoo li kev txo nqi no ua rau muaj pov tseg ntau dua!

(5) Kev teeb tsa tsis raug ntawm kev ua haujlwm tsis zoo ntawm cov cuab yeej sib xyaw asphalt
Kev teeb tsa tsis tsim nyog ntawm kev ua haujlwm tsis zoo ntawm cov cuab yeej sib xyaw asphalt feem ntau yog tshwm sim hauv: kev teeb tsa tsis raug ntawm kev sib xyaw qhuav thiab ntub dej sib xyaw, tsis tsim nyog hloov lub sijhawm qhib thiab kaw lub thoob qhov rooj. Feem ntau, txhua lub voj voog ntau lawm yog 45s, uas tsuas yog nce mus txog qhov muaj peev xwm ntawm cov khoom siv. Siv peb lub LB2000 hom asphalt sib tov khoom ua piv txwv, lub voj voog sib xyaw yog 45s, cov zis ib teev yog Q = 2 × 3600 / 45 = 160t / h, lub sijhawm sib xyaw yog 50s, cov zis ib teev yog Q = 2 × 3600 / 50 = 144t / h (Ceeb toom: Lub peev xwm ntawm 2000 hom khoom sib xyaw yog 160t / h). Qhov no xav kom peb ua kom luv luv lub sijhawm sib xyaw kom ntau li ntau tau raws li qhov ua tau zoo ntawm kev ua haujlwm zoo thaum tsim kho.

2. Qhov ntsuas kub ntawm asphalt pob zeb tsis ruaj khov
Thaum lub sij hawm tsim cov pob zeb asphalt, qhov kub thiab txias yuav tsum nruj heev. Yog tias qhov kub thiab txias dhau lawm, cov asphalt yooj yim rau "hlawv" (feem ntau hu ua "paste"), thiab nws tsis muaj nqi siv thiab tsuas yog muab pov tseg raws li cov khoom pov tseg; Yog tias qhov kub thiab txias qis dhau, cov asphalt thiab pob zeb yuav lo tsis sib xws thiab dhau los ua "cov khoom siv dawb". Peb xav tias tus nqi ib tuj ntawm cov khoom feem ntau yog kwv yees li 250 yuan, ces qhov poob ntawm "paste" thiab "grey khoom" yog qhov xav tsis thoob. Nyob rau hauv ib qho chaw asphalt pob zeb ntau lawm, cov ntaub ntawv pov tseg ntau dua raug muab pov tseg, qhov kev tswj hwm qis dua thiab muaj peev xwm ua haujlwm ntawm qhov chaw yuav yog. Muaj ob lub laj thawj tseem ceeb rau qhov tsis ruaj khov ntawm cov khoom tiav qhov kub thiab txias:

(1) Asphalt cua sov tswj qhov kub tsis raug
Raws li tau hais los saum toj no, yog tias qhov kub thiab txias dhau lawm, nws yuav dhau los ua "muab tshuaj", thiab yog tias qhov kub thiab txias qis dhau, nws yuav yog "cov khoom siv grey", uas yog cov khib nyiab loj.

(2) Kev tswj qhov kub thiab txias ntawm cov xuab zeb sib xyaw cua sov tsis yog qhov tseeb
Kev hloov pauv tsis tsim nyog ntawm cov nplaim taws loj ntawm lub qhov cub, lossis tsis ua haujlwm ntawm lub damper, kev hloov pauv hauv cov dej ntawm cov xuab zeb thiab pob zeb sib sau ua ke, thiab tsis muaj cov khoom siv hauv qhov txias txias, thiab lwm yam, tuaj yeem ua rau khib nyiab yooj yim. Qhov no xav kom peb ua tib zoo saib xyuas, ua ntsuas ntau zaus, muaj lub luag haujlwm zoo thiab muaj zog ua tiav thaum lub sijhawm tsim khoom.

3. Roj-pob zeb piv tsis ruaj khov
Tus asphalt ratio yog hais txog qhov piv ntawm asphalt zoo rau cov xuab zeb thiab lwm cov fillers nyob rau hauv asphalt qhob, thiab yog qhov tseem ceeb tshaj plaws qhia los tswj qhov zoo ntawm asphalt pob zeb. Yog tias qhov sib piv asphalt-pob zeb loj dhau, "roj ncuav mog qab zib" yuav tshwm sim ntawm txoj kev nto tom qab paving thiab dov; Yog tias qhov sib piv ntawm asphalt-pob zeb me me dhau lawm, cov khoom siv pob zeb yuav sib txawv, thiab cov dov yuav tsis tsim, tag nrho cov no yog cov xwm txheej loj heev. Cov laj thawj tseem ceeb yog:

(1) Cov av / / hmoov av cov ntsiab lus nyob rau hauv cov xuab zeb thiab gravel aggregate tiag tiag tshaj tus qauv
Txawm hais tias cov plua plav raug tshem tawm, cov av nkos hauv cov muab tub lim loj dhau lawm, thiab feem ntau ntawm cov asphalt yog ua ke nrog cov muab tub lim, uas feem ntau hu ua "roj nqus". Muaj tsawg asphalt adhered rau saum npoo ntawm gravel, thiab nws yog ib qho nyuaj rau tsim tom qab dov.

(2) Kev ntsuas qhov system tsis ua haujlwm
Qhov laj thawj tseem ceeb yog qhov xoom taw tes ntawm qhov ntsuas qhov ntsuas ntawm asphalt ntsuas ntsuas thiab cov ntxhia hmoov ntsuas ntsuas qhov ntsuas drifts, ua rau ntsuas qhov yuam kev. Tshwj xeeb tshaj yog rau asphalt hnyav nplai, qhov yuam kev ntawm 1kg yuav cuam tshuam rau asphalt piv. Nyob rau hauv ntau lawm, lub metering system yuav tsum tau calibrated nquag. Nyob rau hauv qhov tseeb ntau lawm, vim muaj ntau impurities nyob rau hauv cov ntxhia hmoov, lub qhov rooj ntawm cov pob zeb hauv av hmoov metering bin yog feem ntau tsis kaw nruj nreem, thiab leakage tshwm sim, uas cuam tshuam rau qhov zoo ntawm asphalt pob zeb.

4. Cov plua plav loj, ua rau muaj kuab paug rau kev tsim kho ib puag ncig

Thaum lub sij hawm tsim kho, qee qhov sib xyaw cov nroj tsuag muaj cov hmoov av, uas ua rau ib puag ncig thiab cuam tshuam rau kev noj qab haus huv ntawm cov neeg ua haujlwm. Cov laj thawj tseem ceeb yog:

(1) Cov av nkos / hmoov av nyob rau hauv cov xuab zeb thiab gravel aggregate loj heev, hnyav tshaj tus qauv.

(2) Kev tshem tawm plua plav tsis ua haujlwm

Tam sim no, asphalt mixing nroj tsuag feem ntau siv lub hnab plua plav tshem tawm, uas yog ua los ntawm cov ntaub ntawv tshwj xeeb nrog me me pores, zoo huab cua permeability, thiab kub tsis kam. Cov nyhuv tshem tawm plua plav yog qhov zoo, thiab nws tuaj yeem ua tau raws li kev tiv thaiv ib puag ncig. Muaj qhov tsis zoo - kim. Txhawm rau kom txuag tau nyiaj, qee chav tsis hloov lub hnab plua plav hauv lub sijhawm tom qab nws puas lawm. Lub hnab ntim tau raug puas tsuaj loj, cov roj tsis raug hlawv tag nrho, thiab cov impurities yog adsorbed rau ntawm lub hnab ntim khoom, ua rau muaj kev thaiv thiab ua rau cov plua plav ya mus rau hauv qhov chaw tsim khoom.

5. Kev tu cov asphalt qhob sib tov cog

Kev saib xyuas ntawm asphalt qhob mixing cog yog feem ntau muab faib rau hauv kev saib xyuas ntawm lub tank lub cev, kev saib xyuas thiab kev hloov kho ntawm lub winch system, kev hloov kho thiab kev kho ntawm cov hlab ntsha limiter, kev saib xyuas ntawm cov hlua hlau thiab lub pulley, kev saib xyuas. lub lifting hopper, kev saib xyuas ntawm kev khiav thiab kev txhawb nqa khiav, thiab lwm yam tos.

Nyob rau ntawm qhov chaw tsim kho, cov pob zeb sib xyaw cog yog nquag thiab nquag ua rau cov khoom siv tsis ua haujlwm. Peb yuav tsum ntxiv dag zog rau kev saib xyuas cov cuab yeej, uas yog qhov tsim nyog rau kev ua kom muaj kev nyab xeeb ntawm qhov chaw, txhim kho cov khoom siv zoo, txo cov khoom siv tsis ua haujlwm, ua kom cov pob zeb zoo, thiab txhim kho cov khoom siv. Muaj peev xwm ntau lawm, tau txais kev sau ob npaug ntawm cov txiaj ntsig kev noj qab haus huv thiab nyiaj txiag.