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TTM Asphalt Plant - Ƙwararrun Masana'antar Haɗawa da Sake Amfani da Asphalt Tun daga 2004.

Ta Yaya Ayyukan Rarraba Kayan Aikin Rage Farashi na RAP Masu Zafi Ke Rage Farashi Ba Tare da Sadaukar da Ingancinsu Ba?

Shin kun taɓa mamakin dalilin da yasa ƙarin DOTs da masu shimfida bututun mai zaman kansu ke amfani da Google don "sabis na rap na sake amfani da hot mix asfalt plants" da ƙarfe 2 na safe? Amsar a taƙaice tana da sauƙi: kasafin kuɗi yana raguwa, farashin da aka tara yana da girma sosai, kuma yanzu ana buga ma'aunin dorewa a kowace rahoton shekara-shekara. Amsar da ta fi tsayi - kuma mafi ban sha'awa - an binne ta ne a yadda tsire-tsire na zamani ke sarrafa hanyar kwalta da aka sake amfani da ita (RAP) ba tare da mayar da tafiyarku mai santsi zuwa bikin rami ba.

Da farko, Menene Daidai Kima A Matsayin RAP?

RAP ba wai kawai "tsoffin abubuwa baƙaƙe" ba ne da za ku ƙera a kan babbar hanya. Haɗakar tsofaffin manne na kwalta da kuma tarin kayan aiki masu inganci waɗanda suka riga sun tabbatar da cewa za su iya tsira daga shekaru na zirga-zirgar ababen hawa da kuma zagayowar daskarewa da narkewa. Lokacin da 'yan kwangila suka ambaci ayyukan masana'antar rap na sake amfani da kwalta mai zafi, da gaske suna magana ne game da jerin hanyoyin aiki - niƙa, rarrabawa, gwaji, haɗawa, sake dumamawa, da kuma kwanciya - waɗanda ke ba wa waɗannan hanyoyin da aka watsar rayuwa ta biyu. Gaskiya mai ban sha'awa: mil ɗaya na babbar hanyar birni mai layi huɗu zai iya zubar da kimanin tan 18,000 na RAP. Wannan kusan manyan motoci 1,200 ne ke neman damar karo na biyu.

Me Yasa Aka Yi Gudu Nan Take Zuwa Kashi 40%, Kashi 50%, Ko Da Kashi 100% Na Rap Mixes?

Bari mu yi magana game da lambobin da ke sa manajojin kuɗi su yi murmushi. Virgin binder kaɗai yana da kashi 60% na farashin kayan haɗin kwalta. Yi musanya kashi 40% na RAP kuma kun goge kusan kashi 24% na wannan layin kafin motar farko ta koma kan titin. Yi hakan akan gyaran da ke da nauyin tan 100,000 na babban birnin tarayya kuma muna magana ne game da tanadi a arewa da dala miliyan ɗaya. Haka ne, adadi bakwai.

Amma farashin bai kai rabin labarin ba. Yanzu hukumomi sun nuna alamun masu neman tallafin da suka kai ga rage farashin hayakin carbon, kuma jihohi da dama - idan aka yi la'akari da ku, Colorado da California - suna bayar da rangwame kan farashin hayakin idan kun cimma burin dorewa. A cikin Turanci mai sauƙi: sake amfani da ƙarin mai, cin nasara kan ƙarin aiki, da kuma ƙara yawan ribar ku ba tare da kaɗa fensir ɗinku a kan kowane abu na tayin ba.

A Cikin Masana'antar: Yadda Ayyukan Shuke-shuken Asphalt na RAP ke Sake Amfani da Su

1. Murkushewa da tantancewa daidai gwargwado na RAP

Yanka-yanka ba zato ba tsammani ba za su rage shi ba. Sabis na zamani suna murƙushe RAP zuwa ƙayyadaddun girman girman - yawanci ½ inci (12.5 mm) - sannan su duba shi zuwa aƙalla ɓangarori biyu. Overs suna dawowa don wani wucewa; mids suna ba da rahoto ga kwandon shara na abinci mai sanyi. Wannan matakin kaɗai yana haɓaka lokacin aiki na shuka da kashi 15% kuma yana hana koke-koken "hayaƙi mai shuɗi" daga maƙwabta.

2. Busar da tsarin gudana a layi daya da tsarin kwararar ruwa

Tsoffin ganguna masu layi ɗaya suna ƙona RAP a ƙarshen mai ƙonawa, suna sa mahaɗin ya yi laushi kuma yana sa mahaɗin ya yi rauni. Sabbin tsire-tsire masu hana kwararar ruwa na zamani suna shigar da RAP a ƙasa, nesa da harshen wuta mara komai. Sakamako: tsohon mahaɗin yana ci gaba da aiki, kuma haɗin da aka sake yin amfani da shi yana kiyaye juriyar fashewa mai ƙarancin zafi da kuke buƙata, misali, a watan Fabrairu na Minnesota.

3. Allurar "Rejuvenator" ta Virgin Binder

Ga abin sha'awa: injiniyoyi suna allurar injinan gyaran fuska - wani lokacin gaurayen mai mai ƙamshi - a cikin nauyin haɗin 0.3% zuwa 0.6%. Waɗannan sinadarai suna sake daidaita asfaltenes da maltenes, suna dawo da juriya don haka haɗin da aka sake amfani da shi yana aiki kamar girke-girke na budurwa 100%. Ka yi tunanin hakan a matsayin ranar shakatawa ga ƙwayoyin kwalta masu gajiya.

4. Na'urori masu auna zafin jiki na NIR & Gamma a ainihin lokaci

Shuke-shuken da suka cancanci gishiri yanzu suna ɗora na'urorin ɗaukar hoto na kusa-infrared (NIR) a saman bel da na'urorin gano gamma a cikin ganga. Waɗannan na'urorin suna karanta abubuwan da ke cikin mahaɗin, danshi, da zafin jiki a kowane daƙiƙa 30, ƙofofin ciyarwa da man girki na atomatik. Fassara: haɗuwa mai daidaituwa, ƙarancin lodin da aka ƙi, da kuma kiran waya daga mai kula da aikin da ya fusata.

Hoton Shari'a: Pennsylvania Turnpike 2022 Overlay

Maimakon jigilar tan 62,000 na RAP zuwa wurin zubar da shara, hukumar turnpike ta yi amfani da shi, ta ja shi, sannan ta sake yin amfani da kashi 94% na shi zuwa wani babban tsari mai girman gaske. Mai ba da sabis na rap na sake amfani da hot mix asfalt plants ya tabbatar da cewa zai yi aiki na tsawon shekaru 12, amma gwaje-gwajen farko na rugujewa sun riga sun nuna cewa yana aiki daidai da virgin SMA - a farashin raka'a 28%. Masu biyan haraji sun adana dala miliyan 3.4 da tan 3,900 na CO₂. Ba laifi ba ne ga aikin yini ɗaya.

Amma Shin Hadin Gyada Masu Kyau Zai Daɗe Da Gaske?

Shakka yana da kyau. Mabuɗin shine daidaita tsarin gaurayawa: daidai gwargwado sarrafa wayo, haɗa manne mai kyau, da kuma kula da inganci mai ƙarfi. Lokacin da aka duba waɗannan akwatunan, bayanan bin diddigin Cibiyar Fasaha ta Kwalta ta Ƙasa (NCAT) sun nuna cewa gaurayawan RAP 50% na iya daidaita juriyar rugujewa da juriyar gaurayawan budurwa. Fassara: hanyarku ba za ta tarwatse ba kafin zagayen zaɓe na gaba.

Nasihu Uku Masu Sauri Kan Tambayoyi Kan Tambayoyi Ga Masu Tambayoyi

  • Rabon ƙurar RAP a 1.6 don guje wa gauraye masu tauri waɗanda ke fashewa a ƙarƙashin matsin lamba na zafi.
  • Bukatar bugun ƙarfin binder na budurwa (misali, PG 64-22 zuwa PG 58-28) idan RAP ya wuce kashi 30% a cikin kwalayen saman.
  • A dage kan bayanan matsewar gyratory da ɗan kwangila ya bayar a Ninitial, Ndesign, da Nmax don kama gaurayen da wuri.

Zaɓar Abokin Hulɗa na Sabis na Shuke-shuken Rap Mai Daɗi

Ba kowace kaya mai kwantena biyu na abinci mai sanyi ba ce za ta iya ɗaukar kashi 50% na RAP ba tare da mayar da hadin ku zuwa gasasshen naman alade mai launin shuɗi ba. Nemi:

  1. Tabbataccen Tarihin Aiki: Tambayi ayyukan DOT na baya tare da ≥40% RAP. Idan ba za su iya nuna bayanan QC ba tun shekaru biyar da suka gabata, ci gaba da tafiya.
  2. Tushen Rarrabuwa: Tsire-tsire waɗanda ke riƙe da sassan RAP guda uku ko fiye suna ba ku iko mai ƙarfi da kuma ingantaccen ƙarfin volumetrics.
  3. Tsarin Allurar Gyaran Fulawa: Famfunan da aka auna, mitar kwarara, da tankunan da aka daidaita suna tabbatar da cewa ba wai kawai suna zubar da man sharar gida a cikin ganga ba ne.
  4. Izinin Muhalli: Na'urorin kashe zafi, zoben kama hayaki mai launin shuɗi, da na'urorin sa ido na haske na ainihin lokaci suna sa ku kasance a gefen dama na binciken EPA.

A taƙaice: Sake Amfani da RAP Ba Wani Abu Ba Ne—Tallafin Rayuwar Kuɗi Ne

Tsakanin farashin mai mai canzawa, ƙarancin mai, da kuma ƙa'idojin muhalli masu tsauri, 'yan kwangila waɗanda suka yi watsi da ayyukan masana'antar rap na sarrafa asfalt mai zafi suna miƙa aikin na gaba ga masu fafatawa da ƙwarewa. Don haka, a shirye kuke don tabbatar da tayin ku na gaba nan gaba? Ku kira mai tsara kayan haɗin ku ta waya, ku tambayi abokan hulɗar shuke-shuke da ke sama, kuma ku kalli yadda ribar ku ke ƙaruwa a kowace tan yayin da adadin carbon ɗinku ke raguwa. Oh, kuma lokaci na gaba da wani ya gaya muku cewa kwalta da aka sake yin amfani da ita "na biyu," kawai ku yi murmushi ku nuna musu lambobin Pennsylvania Turnpike. Wannan yawanci yana rufe su da sauri.

POM
Wadanne Nau'in Shuka na Hadin Kwalta ne ke Ba da Mafi Kyawun Ribar Kuɗi don Aikinku?
Ta Yaya Maganin Haɗa Man Fetur na RAP Mai Zafi Zai Iya Rage Farashi Ba Tare da Sadaukar da Ingancinsa Ba?
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TTM Asphalt Plant ƙwararriyar masana'anta ce ta kera kayan haɗin kwalta da kayan aiki masu alaƙa, tana haɗa bincike da haɓakawa, samarwa, tallace-tallace, da sabis.
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Adireshin Kamfani: Lamba ta 1, Filin Masana'antu na Luojiang Intelligent Equipment, Garin Heshi, Gundumar Luojiang, Birnin Quanzhou, Lardin Fujian, China
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