TTM Asphalt Plant - Ƙwararrun Masana'antar Haɗawa da Sake Amfani da Asphalt Tun daga 2004.
Idan ka taɓa tsayawa a nisan 'yan yadi daga masana'antar haɗa ganguna masu ruri a ranakun bazara, ka riga ka san amsar ita ce " zafi ya fi yadda kake tsammani ." Yawancin ƙayyadaddun bayanai na DOT na jihohi suna buƙatar yanayin zafi tsakanin 275 °F da 325 °F (135 °C–163 °C) a wurin ɗaukar nama. A cikin Ingilishi mai sauƙi, wannan zafi ne da zai iya soya naman nama mai matsakaicin rare a cikin ƙasa da daƙiƙa 30. Kuma eh, ka karanta daidai—275 °F shine mafi ƙaranci , ba mafi girma ba.
Simintin kwalta (manne baƙi wanda ke riƙe duwatsun) yana da daidaiton molasses mai sanyi a zafin ɗaki. Don shafa wa kowace ƙwayar dutse da yashi, mai ɗaure dole ne ya zama mai ruwa. Dumama yana rage ɗanko sosai: ga kowace ƙaruwar zafin jiki na 25°F, mai ɗaure yana yin ruwa sau biyu . Saboda haka, injin yana tura ambulan don tabbatar da cikakken rufewa, musamman akan tarin ramuka masu ramuka waɗanda ke shan ruwan. A taƙaice: yayin da haɗin ya yi zafi, mafi kyawun murfin, kuma mafi ƙarfi a kan titin.
Da zarar motar ta bar ƙofar, za a fara asarar zafi. Bincike daga Ƙungiyar Tafiya ta Asphalt ta Ƙasa (NAPA) ya nuna raguwar 5–7°F a kowace mil a rana mai zafi 60°F. Ƙara iska, dogon ja, ko shimfidar hanya ta dare kuma delta zai faɗaɗa. Idan tabarmar ta sauka ƙasa da kusan240 °F (116 °C) , matsewa ya zama mafarki mai ban tsoro. Masu birgima ba za su iya rufe gurɓatattun iska ba, kuma cakuda yana yin rauni, wanda ke haifar da fashewa da kuma raveling da wuri. Fassara : sabon filin ajiye motoci naka zai iya kama da shekaru goma cikin watanni shida.
Kada a sauke kayan a matakai daban-daban . Zubar da rabin kayan, jira na minti goma, sannan zubar da sauran ya haifar da sanyin core wanda babu abin birgima da zai iya gyarawa.
Masana'antu na zamani yanzu suna ɗora kyamarorin infrared a saman na'urar ɗaukar kaya. Waɗannan na'urori suna auna dukkan saman kowace babbar mota a ainihin lokacin, suna nuna nauyin da ya faɗi ƙasa da ƙa'ida. Bayanan suna lodawa ta atomatik zuwa allon gajimare, don haka masu duba DOT da masu kula da shimfidar bene za su iya ƙin wani tsari mai kyau kafin ya taɓa zuwa hanya.
Hakika. A safiyar bazara mai zafin digiri 40 na Fahrenheit, mai kula da injin zai iya jefa abin da aka nufa zuwa wurin da za a kai hari.330 °F don rama hanyoyin da ke da sanyi. Akasin haka, a ranar 95°F ta watan Yuli, wurin da za a saita zai iya komawa zuwa290 °F don hana mannewar bututun ya zube. Ka yi tunanin kamar kunna tanda kafin ta yi zafi: kana gyara manne ɗin bisa ga abin da ke dafawa a waje.
Hakika. Tura mix ɗin da ya wuce350 °F (177 °C) kuma simintin kwalta ya fara yin oxidizing da sauri. Maƙallin yana yin rauni, kuma hayakin shuɗin da kuke gani a zahiri yana ƙone mai mai haske . Ba wai kawai wannan yana haifar da ciwon kai na muhalli ba, har ma yana barin titin yana fuskantar barazanar fashewa a lokacin hunturu na farko. A takaice, zafi ya fi kyau - har sai ba haka ba.
Bari mu tantance lambobi. Zafin ƙofar shuka: 315 °F. Yanayi: 105 °F. Nisan jigilar kaya: mil 20 a gudun mil 55 a kowace awa. Ta amfani da samfurin sanyaya NAPA, haɗin ya isa zuwa285 °F —har yanzu yana cikin tagar matsewa. Amma ƙara iska mai gudun mil 15 a awa ɗaya kuma zafin isowa ya ragu zuwa270 °F Yanzu na'urar da ke lalata na'urar tana da mintuna takwas kacal don ta kai kashi 92% na yawan da ke cikinta kafin tabarmar ta faɗi ƙasa da 240 °F. Ku rasa wannan taga kuma kuna bin inuwa.
Nauyin kaya guda ɗaya mai nauyin tan 20 wanda ya zo ƙasa da ƙayyadadden ƙayyadaddun bayanai zai iya kashe wa ɗan kwangilar kuɗi:
| Abu | farashi |
|---|---|
| Cirewa & maye gurbin | $1,200 |
| Niƙa & rufewa | $800 |
| Hukuncin DOT | $500 |
| Jimlar fallasa | $2,500 ga kowace babbar mota |
Ka ninka wannan da manyan motoci goma a rana, kuma kana kallon sake yin aiki na dala dubu 25 kafin cin abincin rana. Ba zato ba tsammani, wannan haɓaka kyamarar infrared ta dala $300 ya yi kama da canjin kuɗi.
Ka tuna, zafin jiki wani abu ne da ke motsawa . Ka lura da inda aka saita na'urar, nisan jigilar kaya, saurin iska, da kuma yanayin zafi a ainihin lokacin. Ka ɗauki kowane kaya kamar isar da pizza mai zafi: da sauri da zafi ya isa ga abokin ciniki, haka kowa zai ji daɗi.