TTM Asphalt Plant - Ƙwararrun Masana'antar Haɗawa da Sake Amfani da Asphalt Tun daga 2004.
Yawancin masu aiki suna kimanta masana'antar da girman tan ɗinta na awa ɗaya, amma ainihin kuɗin yana ɓoye sosai - a cikin kayan haɗin kwalta waɗanda ke tantance adadin man da kuke ƙonawa a hankali, motocin da kuke jira, da kuma sau nawa kuke fuskantar rufewa ba zato ba tsammani a safiyar Litinin. Da zarar kun ga waɗannan wuraren amfani, za ku iya matse ƙarin riba daga cikin tarin da abokin hamayyarku ke kira "sharar gida."
Ka yi tunanin kwandon shara na sanyi a matsayin metronome na shuka; idan ya girgiza, kowace mataki na ƙasa yana girgiza da shi. Na'urorin bel na zamani masu saurin canzawa yanzu suna rage jan wutar lantarki har zuwa kashi 15%, duk da haka yawancin masana'antun zamani na 2005 har yanzu suna amfani da injinan da ke da saurin canzawa. Sauya bel ɗin da ke da ikon sarrafa VFD ya fi rahusa fiye da sabon kwandon shara, kuma Google SERPs sun nuna bincike 1,900 na wata-wata don "kwandon shara na sanyi na retrofit VFD" - wanda ke tabbatar da cewa manajojin masana'antu suna neman wannan haɓakawa. Alhamdulillah, kar ka manta da daidaita sikelin bel ɗin kowane kwana 90; raguwar kashi 2% na iya kashe maka dala 8,000 a cikin simintin kwalta da ya ɓace a lokacin shimfida hanya ɗaya.
Haɗaɗɗun kayan haɗin High-RAP suna da fa'ida ne kawai idan allon ku ya kasance yana riƙe da ɓangarorin gaskiya. Buɗewar da aka yi da 4.75 mm zai iya barin guntun guntu ya shiga cikin kwandon shara, wanda hakan ke tilasta muku ƙara filler mai kyau zuwa ga takamaiman bayani - wanda a zahiri yana mayar da tanadin da aka sake yin amfani da shi zuwa sabon farashi. Sauyawa zuwa ga bangarorin polyurethane masu hana makanta yana ƙara tsawon rayuwar sabis daga watanni 9 zuwa 18 kuma yana raguwa da lokacin aiki da 30%. "Mun rage takardun kuɗin zanen allo zuwa rabi," in ji wani mai samar da kayayyaki na Missouri a watan da ya gabata, "kuma jerin abubuwan da aka haɗa na masana'antar haɗa kwalta a ƙarshe yana raguwa maimakon girma."
Tsarin jirgin sama shine gwarzon da ba a taɓa rerawa ba a nan. Gangar mai tsawon mita 9 mai siffar cubic tare da jiragen sama na yau da kullun tana amfani da kimanin lita 8.5 na dizal a kowace tan na gauraya, yayin da wani jirgin sama mai ƙarancin inganci, mai riƙewa mai ƙarfi kwanan nan ya faɗi zuwa lita 6.9. A kan dala 3.50 a kowace galan, wannan delta ɗin yana daidai da dala 12,000 a kowane wata don injin 200-tph. Idan har yanzu kuna gudanar da ganga ta 2006, haɓaka jirgin sama - ba cikakken maye gurbin ganga ba - zai iya biyan kansa cikin watanni 14. Oh, kuma koyaushe duba daidaiton trunnion; kuskuren 3 mm na iya ƙara zafin takalmin trunnion da digiri 20 na Celsius kuma ya sa ma'aikatan kula da ku su yi aiki tuƙuru.
A da, na'urorin sarrafa iskar oxygen sun kasance abin jin daɗi; yanzu lasisi ne na buga kuɗi. Rage iskar oxygen da ya wuce kashi 1% yana nufin rage man fetur da kashi 1.1%. A kan injin samar da wutar lantarki mai karfin tph 150 da ke aiki awanni 2,000 a kowace shekara, wannan shine lita 11,000 na mai, ko kuma kusan dala 9,000. Sabbin kayan haɗin injinan haɗa kwalta suna haɗa mai ƙonawa da fankar iska mai amfani da iska mai canzawa, suna ba ku damar mayar da famfon RPM a ƙaramin tan maimakon zubar jini a cikin iska mai sanyi ta hanyar damper. Sakamakon? Kuna kiyaye siffar harshen wuta a hankali kuma mai duba NOx yana farin ciki.
Idan bel ɗin lif ya zame, dukkan injin zai koma kamar cinkoson ababen hawa a wurin biyan kuɗi. Injin bel mai lanƙwasa da aka yi da yumbu da kuma na'urar ɗaure bel ta atomatik inshora ce mai arha. Wani ma'aikaci a Texas ya rantse da tsarin "tafiya-da-bel" na minti 10 a kowace rana; yana kama gefuna da suka lalace kafin su yi karo a ranar Juma'a da rana. Shawarar ƙwararru: ajiye bel ɗin ajiya a cikin tirelar sassa—jigilar kaya akan bel ɗin lif mai ƙafa 180 na musamman na iya ɗaukar kwanaki 14, kuma wannan shine kwanaki 14 na kwangilolin shimfidar bene da suka ɓace.
Lokacin gaurayawa na ɗan gajeren lokaci yana rage lalacewa amma yana iya barin hayaki mai shuɗi a kan shukar. A gefe guda kuma, yawan gaurayawa yana ƙonewa kuma yana ƙara zafin jiki fiye da 170 °C, yana haifar da lalacewar polymer a cikin mahaɗan da aka gyara. Mafi kyawun wurin ga yawancin gaurayawan SMA shine daƙiƙa 28-32. Haɓaka zuwa ƙarshen paddle mai chromed kuma maye gurbinsu a kowane tan 60,000; farashin ba shi da mahimmanci idan aka kwatanta da aikin cirewa saboda gaurayawan ku ya gaza ƙayyadaddun ƙarfin tensile. Kuma, ajiye wasu tsoffin paddles a matsayin "ƙarfe na gwaji" lokacin da kuka gwada sabon kashi na RAP - za su gaya muku da sauri idan kuna cika pugmill.
Kofar da ba ta da kyau a rufe ta tana zubar da zafi kuma tana sauke zafin da ke ƙasa da wurin raɓa, tana mai da ƙurar da ba ta da kyau ta zama laka mai tsami wanda ke cin jakunkuna don karin kumallo. Sauya zuwa jakunkuna masu laminated na PTFE tare da tushen ji na oz 16 na iya rage bambancin matsin lamba da Pa 300, wanda ke adana 7 kW akan injin fanka. Fiye da shekara guda hakan shine 5,000 kWh, ko kimanin dala 650. Ba abin girgiza ƙasa ba ne, amma kuɗi ne da ba za ku sake samu ba ta hanyar ƙarin tan.
Tsoffin allunan batch suna tilasta wa masu aiki su rubuta girke-girke na gauraya a kan allon rubutu mai mai. Fakitin PLC+HMI na zamani suna adana ɗaruruwan girke-girke da kuma daidaita ƙofofin ciyarwa ta atomatik bisa ga na'urorin auna danshi. Labarin ROI? Rage amfani da simintin asfalt mai sauƙi na 150-tph yana adana t 45 na binder a kowane wata—kira shi dala 22,500 a farashin yau. Allon gajimare kuma yana bawa manajan QC damar gano yanayin zafi a lokacin aiki na daren Litinin sannan ya aika saƙo ga mai kula kafin motar farko ta tashi da safiyar Talata. Wannan shine irin haɗin kayan haɗin asfalt wanda ke sa masu binciken DOT su yi murmushi.
Kowace silo mai siffar mazugi a ƙarshe tana samun rukunin da ba na tsakiya ba wanda ke rugujewa ya kuma lalata mazugi. Silo mai nauyin tan 200 yana kashe dala 40,000 don maye gurbinsa, tare da wani asarar dalar Amurka 10,000. Shigar da naɗaɗɗen fiber carbon-fiber 360° a cikin mazugi yana ƙara dala 8,000 ga farashin siyan amma yana ninka tsawon rayuwar sabis na RAP sau uku. Wani mai samarwa a Illinois ya naɗe kowace silo a shekarar 2019 kuma bai taɓa yin tsagewa ba tun lokacin.
A taƙaice dai? Idan ka ɗauki kowanne daga cikin waɗannan abubuwan haɗin bututun kwalta a matsayin abin da zai ba ka riba maimakon layin farashi, injin ɗin ya daina zama akwatin baƙi kuma ya zama takardar da za ka iya jagoranta. Kuma wannan, abokina, shine yadda kake mayar da cakuda mai zafi zuwa tsabar kuɗi mai sanyi—ban da 'yan sandan nahawu, ba shakka.