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TTM Asphalt Plant - Chaw Tsim Khoom Siv Sib Tov thiab Rov Siv Dua Asphalt Txij Li Xyoo 2004.

Cov Kev daws teeb meem ntawm RAP Recycling Hot Mix Asphalt Plants yuav txo tau cov nqi li cas yam tsis ua rau qhov zoo tsis zoo?

Puas tau xav paub tias vim li cas qee cov neeg ua txoj kev thiaj li yeej cov nqi thaum cov khoom siv pheej nce siab? Qhov zais cia feem ntau nyob hauv lawv cov kev daws teeb meem rov ua dua tshiab ntawm cov nroj tsuag asphalt kub - ib qho thev naus laus zis uas rov ua dua txog li 60% ntawm cov asphalt qub thiab txiav cov nqi khoom siv raw li ib nrab. Cia peb kawm txog cov tswv yim hauv ntiaj teb tiag tiag uas tig cov khoom seem ntawm qhov chaw nres tsheb mus ua qhov txiaj ntsig. (Thiab yog, peb kuj yuav qhia txog ib qho kev hloov kho uas tuaj yeem txuag koj ntxiv $ 0.40 ib tuj.)

RAP Yog Dab Tsi Tiag, thiab Vim Li Cas Nws Thiaj Tseem Ceeb Rau Kev Tsim Khoom Niaj Hnub Nim No?

Txoj Kev Siv Asphalt Rov Qab Los (RAP) tsis yog tsuas yog "kev txiav" xwb; nws yog ib yam khoom muaj nqis. Txhua tuj koj siv dua txhais tau tias koj yuav tsum tau yuav tsawg dua ib tuj ntawm cov pob zeb tshiab thiab cov khoom siv sib txuas. Xyoo 2023, cov khoom siv AC sib txuas nruab nrab yog $ 650 rau ib tuj luv luv thoob plaws Tebchaws Meskas Gulf Coast. Sib tov 30% RAP rau hauv koj cov khoom sib xyaw thiab koj yuav tau yuav luag $ 200 ntawm txhua tuj ntawm asphalt tiav lawm. Qhov ntawd yog lej txawm tias koj tus accountant yuav high-five rau koj.

Cov Kev daws teeb meem niaj hnub ntawm RAP Recycling Hot Mix Asphalt Plants ua haujlwm li cas?

Tej zaum koj twb tau pom cov tshuab ziab khaub ncaws qub uas kub hnyiab RAP zoo li cov mov ci nag hmo. Cov nroj tsuag zoo tshaj plaws niaj hnub no siv cov tsho tiv thaiv cua sov thiab cov pa dej noo . Txhais lus: RAP sov maj mam, yog li cov bitumen seem tsis "laus" lossis tawg. Qhov tshwm sim? Kev sib xyaw ua ke uas ua tau raws li Superpave volumetrics yam tsis muaj kev ntxhov siab. Qee lub OEMs txawm ntxiv cov pyrometers infrared uas nyeem qhov kub ntawm cov khoom sib sau ua ke hauv lub sijhawm tiag tiag, kho qhov RAP pub kom nyob hauv ± 3 ° C ntawm lub hom phiaj. Zoo nkauj heev, huh?

Cov Khoom Siv Kho Vaj Tse Tseem Ceeb Uas Them Rau Lawv Tus Kheej Hauv 18 Lub Hlis

  • Cov khoom siv thauj khoom uas hloov pauv tau zaus : Txo cov zog rub ntawm lub zog horsepower 25% thiab txo qhov kev puas tsuaj ntawm RAP.
  • Cov khoom sib cais ua ntej venturi uas muaj pa dej ntau : Tua tawm 80% ntawm cov dej noo ua ntej RAP ntaus lub nruas, txuag roj hlawv.
  • Lub tshuab pugmill ob lub ncej nrog 15-vib vib nas this khaws cia : Tshem tawm cov pa luam yeeb xiav thiab ua rau koj cov neeg zej zog zoo siab.

Koj puas tuaj yeem thawb dhau 40% RAP yam tsis ua rau qhov kev ua haujlwm qis qis?

Lus teb luv luv: yog, tab sis koj yuav tsum ua si tshuaj lom neeg. Cov khoom siv mos mos (PG 58-28) ntxiv rau 0.3% Sasobit lossis cov khoom sib xyaw sov zoo sib xws txo qhov kub siab ua haujlwm tau zoo los ntawm ib kauj ruam thaum rov qab kho qhov kub qis los ntawm ob kauj ruam. Illinois DOT's 2022 pilot ntawm I-72 siv 45% RAP nrog daim ntawv qhia ua noj thiab tseem dhau TSR (tensile-strength ratio) ntawm 85%. Yog li, tsis muaj kev zam txim ntxiv "peb tsis tuaj yeem mus siab dua 25%" cov phooj ywg.

Ua li cas txog cov pa phem? Cov neeg tswj hwm puas yuav kaw kuv?

EPA MACT txwv rau PM2.5 yog 0.04 gr/dscf. Ib tsob nroj uas muaj lub hnab reverse-pulse thiab cov kua qaub qhuav yooj yim tsaws ntawm 0.01 gr/dscf txawm tias thaum cov ntsiab lus RAP ncav cuag 50%. Lub tswv yim zoo: khiav ib qho kev sim txhua peb lub hlis thaum lub caij ntuj no - qhov ceev ntawm huab cua txias tuaj yeem ua rau cov nyeem tsis meej, thiab koj tsis xav kom raug qhov muag tsis pom los ntawm kev ua txhaum cai opacity ua ntej lub caij paving.

Hidden ROI: Baghouse Fines li Mineral Filler

Es tsis txhob pov tseg cov hmoov av uas muaj hmoov av ntau, rov muab 1–2% rov qab rau hauv qhov sib tov. Nws yog cov khoom pub dawb uas ua rau VMA nce ntxiv 0.5% thiab cia koj txiav cov hmoov av limestone uas tsis muaj hmoov av. Ib lub Hoobkas 200-tph uas peb tau tshuaj xyuas hauv Georgia txuag tau $ 42 k ib xyoos tsuas yog rau qhov kev hloov kho no. Tsis yog qhov hloov pauv chump, puas yog?

Yuav Ua Li Cas Thiaj Ua Rau Koj Lub Cog Cog Muaj Kev Ruaj Ntseg Rau Yav Tom Ntej Rau 60% RAP

Pib nrog lub nruas ob lub thoob uas cais RAP ntawm thaj chaw nplaim taws ncaj qha. Ntxiv ib qho chaw nkag RAP uas hloov pauv tau - txav nws ze dua lossis deb dua ntawm lub hlawv nyob ntawm seb dej noo noo. Thaum kawg, teem ib lub tshuab pub rov ua dua tshiab nrog lub ntsuas qhov hnyav kom lub kaw lus tswj hwm lub Hoobkas tuaj yeem kho qhov hnyav ntawm lub tshuab. Peb qhov kev txav no teeb tsa koj rau txhua yam uas DOT muab rau koj kaum xyoo tom ntej.

Kev Kawm Txog Qhov Teeb Meem: Txoj Kev Loj 38-Mais hauv Colorado

Qhov project xav tau 110 000 t ntawm 12.5-mm SMA. Spec tau txwv RAP ntawm 30%, tab sis tus neeg cog lus twv rau 40% siv cov teeb tsa saum toj no. Kev txuag tau tag nrho: $ 1.9 M. Qhov zoo tshaj plaws? Kev ua tau zoo ntawm txoj kev tom qab ob lub caij khov-thaw tau qhab nia 92 ntawm PCR (kev ntsuas qhov xwm txheej ntawm txoj kev) piv rau 88 rau ntu tswj nrog cov khoom sib xyaw tshiab. Txawm tias tus kws ua haujlwm ntawm txoj kev hauv xeev tau lees tias, "Peb tsis tau xav tias qhov ntawd yuav los."

Cov Dab Neeg Ib Txwm Muaj Tau Tshem Tawm

Cuav: "Cov kev sib xyaw ua ke uas muaj RAP siab yeej ib txwm tsis zoo."

Qhov Tseeb: Kev tawg yog nyob ntawm cov qauv sib sau ua ke, tsis yog feem pua ​​​​​​ntawm RAP. Siv qhov piv ntawm CA/FA uas tau muab qib zoo ze li ntawm 0.45 thiab koj yuav zoo.

Cuav: "RAP muaj cov hydrocarbons tsis paub uas tsw ntxhiab."

Yog, tau kawg, yog tias koj siv koj lub qhov cub uas muaj roj ntau thiab kub sab qaum teb ntawm 340 °C. Khaws qhov kub ntawm lub qhov cub kom qis dua 160 °C thiab cov ntxhiab tsw poob rau qib BBQ hauv zej zog.

Daim Ntawv Teev Xyuas Sai Ua Ntej Koj Hloov Kho Dua Tshiab

  1. Xyuas kom tseeb tias koj lub silos tuaj yeem tuav tau ntxiv 10% ntawm cov khoom ntim (RAP yog fluffier).
  2. Txhim kho cov trunnions; RAP nruas khiav cov khoom hnyav dua.
  3. Tham nrog koj tus DOT ua ntej—qee lub xeev tseem txwv RAP rau 25% rau SMA, tab sis zam kev tso cai yog tias koj qhia cov ntaub ntawv kuaj mob.

Npaj txhij los siv koj cov nyiaj siv rov qab los ntawm kev siv cov tshuaj asphalt kub sib xyaw ua ke? Pib nrog lub ntsuas dej noo, ntxiv VFD rau ntawm RAP feed, thiab saib koj cov nyiaj txuag mus txog qhov siab tshaj plaws. Thiab yog tias koj xav tau kev nkag siab tob txog kev kho lub qhov cub lossis kev ntxiv tshuaj, hu rau peb - ​​zoo siab rau kev paving!

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Puas Yog Lub Hoobkas Sib Tov Asphalt Rov Ua Dua Tshiab Yeej Txiav Tau Cov Nqi Thiab Carbon Tib Lub Sijhawm?
Puas Yog RAP Rov Siv Dua Hauv Cov Chaw Tsim Asphalt Kub Sib Xyaws Yeej Txo Tau Cov Nqi Yam Tsis Txo Qhov Zoo?
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TTM Asphalt Plant yog ib lub chaw tsim khoom siv sib tov asphalt thiab cov khoom siv cuam tshuam, koom ua ke R&D, kev tsim khoom, kev muag khoom, thiab kev pabcuam.
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