March 20, 2025, ƒe 2025
Asphalt-mɔ siwo wogbugbɔ dzra ɖo la le nusiwo woate ŋu agbugbɔ azã le mɔdodowo dzi dzadzraɖo me ƒe agbɔsɔsɔ gãtɔ kekeake dome. Asphalt rejuvenator nye nusi nana high-RAP mixes wɔa dɔ - nusitae kple alesi woawɔe nye esi.
Asphalt-mɔ si wogbugbɔ dzra ɖo, alo RAP, ye nye nusi wowɔna to mɔ xoxowo tutu kple wo gbãgbã me. Bitumen binder si tsi kple aggregate xoxo le eme. Le mɔdodowo dzadzraɖo kple wo gbugbɔgaɖɔɖo me la, RAP nye nusiwo woate ŋu azã ake siwo ƒe agbɔsɔsɔme sɔ gbɔ wu dometɔ ɖeka: nutunu ɖeka si wowɔ le mɔdodo sesẽ si lolo titina dzi ate ŋu awɔ tɔn akpe ewo. Ne wotsɔ nu siawo katã ƒu gbe ɖe tome la, anye ne aɖu anyigba eye wòagblẽ aŋɔka tɔn akpe geɖe kple aggregate nyui siwo xɔa anyigbaŋutinunya ƒe ɣeyiɣi hafi wowɔ. Asixɔxɔ vevitɔ si le RAP gbugbɔgazã ŋu le bɔbɔe: trɔ nusiwo wozã xoxo zi ɖeka la woagazu nusiwo woatsɔ awɔ mɔ yeyee.
Nukpɔsusu totro si bɔ enye be RAP nye ‘mɔ xoxo碎石’ ko. Menye nenemae o. Nu eve le RAP me: aggregate xoxo (kpe si wogbã, ke, kple nusi wotsɔ yɔa nu me) kple bitumen binder si tsi. Le nyateƒe me la, tsitsi metrɔa nusiwo wotsɔ ƒo ƒui o — wodo eƒe ŋusẽ, eƒe dzeside, kple dzadzɛnyenye kpɔ to ɣeyiɣi dzi eye zi geɖe la, woli ke wu nusiwo woɖe yeyee. Kuxiae nye bitumen la. Le ƒe geɖe ƒe dɔwɔwɔ me la, bitumen bu eƒe akpa sue siwo le bɔbɔe wu (amiwo) to yaƒoƒo kple oxidation me, eye eƒe colloidal structure trɔna tso sol-gel yi gel. Bitumen la sesẽna, egbãna, eye megate ŋu maa nuteɖeamedziwo o. Esia tae RAP hiã na ɖekakpuinyenye ɖo — menye aggregate xoxoae hiã atikewɔwɔ o, ke boŋ bitumen si tsi lae.
Bitumen ƒe tsitsi nye atikewo ƒe dɔwɔwɔ, ke menye ŋutilã me sesẽ ɖeɖeko o. Le dɔwɔwɔ me la, wotsɔa ɔksidzin, UV keklẽ, kple dzoxɔxɔ si dzina ɖe edzi nɔa bitumen ŋu ɣesiaɣi, eye atikewo ƒe tɔtrɔ ƒomevi etɔ̃ nɔa eŋu. Gbã la, oxidation: haidrodzin siwo me mekɔ o siwo le bitumen me wɔa dɔ kple oxygen tsɔ wɔa carbonyl kple hydroxyl ƒuƒoƒo, si wɔnɛ be molecule ƒe kpekpeme kple polarity dzina ɖe edzi. Evelia, dzoxɔxɔ ƒe tɔtrɔ: haidrodzin siwo me wodea amii kple esiwo ʋẽna lilili siwo ƒe molecule ƒe kpekpeme le sue wu la sina vivivi le dzoxɔxɔ si kɔ me, si wɔnɛ be akpa sue siwo kpekpe (asphaltenes) ƒe agbɔsɔsɔ si sɔ la dzina ɖe edzi. Etɔ̃lia, colloidal ƒe dadasɔmakpɔmakpɔ: bitumen nye colloidal kaka si me asphaltene ƒe nu veviwo le maltenes (resins kple ami) ƒe nusi me wotsɔa nu ƒoa ƒui le gɔmedzedzea me; ne amiwo dzi ɖe kpɔtɔ eye aŋɔwo le ƒoƒom la, asphaltene ƒe ƒuƒoƒo tsina eye ɖoɖoa trɔna tso sol dzi yia gel dzi, si megate ŋu daa gbe le eɖokui ŋu o eye megate ŋu nɔa te ɖe gbagbãƒewo nu le dzoxɔxɔ si bɔbɔ me o. Tɔtrɔ etɔ̃ siawo ƒo ƒu nana be nusiwo gena ɖe eme la dzi ɖena kpɔtɔna, afisi wòfa la dzina ɖe edzi, eye ductility la mu — kpuie ko la, bitumen la sesẽna eye wògbãna.
Ne wotsɔ RAP de asphalt yeye si wotsɔ tsakae me tẽe atike aɖeke mawɔmawɔe la, aŋetu etɔ̃ dzena. Gbã la, sesẽme ƒe masɔmasɔ: aŋɔ si tsi ate ŋu afa 20°C alo esi wu nenema wu aŋɔ yeye tɔ, eye le dzoxɔxɔ si wotsaka me la, esia ate ŋu ana aŋɔ tsitsi ƒe ƒuƒoƒo siwo mekaka o siwo wɔa dɔ abe gbagbãlawo ene le agba te. Evelia. Etɔ̃lia, alesi wòanɔ anyi eteƒe nadidi afɔku:未经再生的老化沥青在界面处与新沥青仅形成物理粘结,而非化学融合。在水和荷载的反复作用下,界面会逐渐劣化,导致早期疲劳开裂和水损坏。这三个瓶颈直接限制了RAP 的掺量——不加再生剂时,大多数工程只能将 RAP 掺量控制在 20-30% 之间。
Asphalt rejuvenator nye nusi wotsɔ kpe ɖe eŋu ƒe hatsotso aɖe si ŋu wotrɔ asi le koŋ be wòana aŋɔ si tsi la nawɔ dɔ ake. Akpa eve le eƒe mɔ̃a ŋu. Gbã la, kekeli ƒe akpa suewo gbugbɔgade eme: haidrodzin ʋeʋĩ kple esiwo me wode nuɖuɖui ƒe agbɔsɔsɔ gã aɖe le ɖekakpui si wotsɔ gbugbɔa wo ɖokui dea aŋɔ si tsi la ƒe colloidal wɔwɔme me, si naa amiwo kple asphaltenes ƒe dadasɔ gaɖoa anyi eye wòtrɔa aŋɔa tso gel dzi trɔna yia sol-gel dzi. Evelia, oxidative cross-links ƒe mama: oxidative cross-linked structures siwo me molecule gãwo le (condensed aromatics siwo me carbonyl kple hydroxyl ƒuƒoƒowo le) le bitumen si tsi me; akpa siwo le dɔ wɔm le rejuvenator la me dzea cross-link kadodo siawo dzi, wogbãa wo wozua molecule kakɛ suewo eye wòɖea molecule ƒe kpekpeme bliboa kple bitumen ƒe polarity dzi kpɔtɔna. Ne wotsɔ nuwɔna eve siawo ƒo ƒui la, aŋɔ tsitsi ƒe gege ɖe eme, eƒe ʋeʋẽ, kple eƒe fafa gaɖoa asixɔxɔ siwo gogo aŋɔ yeye tɔ.
Asphalt ƒe ɖekakpui si FangService do alɔe la zãa 3-le-1 ƒe nɔnɔme: ewɔa dɔ le ɣeyiɣi ɖeka me abe dzoxɔxɔ-tsaka, dɔwɔwɔ ƒe tɔtrɔ, kple atike ƒe ɖekakpui ene. Abe nusi wotsɔ tsaka dzoxɔxɔ ene la, eɖea asphalt tsakatsaka ƒe tsakatsaka kple eƒe ƒoƒo ƒe dzoxɔxɔ dzi kpɔtɔna tso 170-190°C si wozãna tsã va ɖo 120-140°C — si nye 30-50°C dzi ɖeɖe kpɔtɔ abe 30-50°C ene — si ɖea ami zazã kple ya si dona le eme dzi kpɔtɔna tẽ. Abe tɔtrɔwɔla ene la, ewɔa akpa etɔ̃ ƒe cross-linked network le bitumen si wogbugbɔ wɔ la me, si naa elastic hayahaya kple ɖeɖiteameŋu ƒe agbenɔƒe nyona ɖe edzi — ɖeɖiteameŋu ƒe agbenɔƒe si wodzidze la ɖoa ɖetugbui leaƒe asphalt tɔ ƒe 85% kple edzivɔ. Abe ɖekakpui ene la, ewɔa kekeli ƒe akpa sue aɖe gbugbɔgaɖoanyi kple oxidative cross-link cleavage si ŋu míeƒo nu tsoe le etame. Dɔ etɔ̃awo katã ƒe amesinɔnɔ le adzɔnu ɖeka me fia be mehiã be kontraktɔa naƒle atike vovovo etɔ̃ atsɔ akpe ɖe eŋu o, si ana tsakatsaka ƒe ɖoɖowɔwɔ kple teƒea dzikpɔkpɔ nanɔ bɔbɔe.
Ne wozã rejuvenator la, woateŋu adzi RAP ƒe agbɔsɔsɔ ɖe dzi tso 20-30% si wozãna ɖaa dzi va ɖo 60% kple edzivɔ, eye dodokpɔwo ɖee fia be RAP ade 100% — si fia be aŋɔ yeye alo aggregate yeye aɖeke manɔ anyi kura o. Ganyawo ƒe nya la le akpa vovovowo me. Gbã la, aŋɔ ƒe gadzadzraɖo: aŋɔ yeye zazã si mebɔ o 60% le tɔn ɖeka si wotsɔ tsakae me la, woɖea yuan alafa geɖe dzi kpɔtɔna le tɔn ɖeka me le asi siwo li fifia nu. Evelia, ga si wodzra ɖo ɖe gadzraɖoƒe: wogazãa ga si wodzra ɖo xoxo si le RAP me la tẽ, si wɔnɛ be ga si wozãna ɖe kpekui kuku, etsɔtsɔ yi teƒe bubuwo, kple etutu ŋu bliboe ɖa. Etɔ̃lia, ŋusẽzazã dzi ɖeɖe kpɔtɔ: dzoxɔxɔ ƒe tsakatsaka ɖea ami zazã dzi kpɔtɔna abe 30% ene. Enelia, carbon dzi ɖeɖe kpɔtɔ: ŋusẽzazã si bɔbɔ ɖe anyi tsɔ kpe ɖe nusiwo wodzrana ɖo ŋu ɖe carbon si dona le yame katã dzi kpɔtɔ wu 30% ne wotsɔe sɔ kple dzoxɔxɔ ƒe tsakatsaka si wozãna ɖaa. Gazazã bliboa le ʋɛ wu 25-40% wu dzoxɔxɔ ƒe tsakatsaka si wozãna ɖaa. Esiawo menye nukpɔsusu ƒe akɔntabubuwo o — wonye akɔntabubu siwo me woɖea mɔ ɖe nu ŋu le siwo wotu ɖe dɔa ŋuti nyatakaka ŋutɔŋutɔwo dzi.
Mɔdododzidɔwɔƒewo le tɔtrɔ gã aɖe me. Nuwɔna etɔ̃ le ƒoƒom ɖekae be woana sɔhɛmenɔnɔ si me RAP sɔ gbɔ ɖo nanye nutome ƒe tiatia dzro aɖe ko o ke boŋ wòanye ganyawo ƒe hiahiã. Gbã la, carbon ƒe mɔxenu: dziɖuɖuwo le xexeame katã le carbon ƒe dodo ƒe dzidzenuwo kple asitsatsa ƒe ɖoɖowo tom vɛ na mɔdodowo tutu, eye ŋusẽzazã geɖe kple ya si dona le dzoxɔxɔ ƒe tsakatsaka si wozãna ɖaa me va le ga si wozãna ɖe sedziwɔwɔ ŋu zum. Evelia, ga si wotsɔ ƒo ƒui ƒe dzidziɖedzi: mɔxexe ɖe kpekuƒewo kuku nu kple nutome ƒe nudidiwo na ɖetugbui leaƒe ƒe ƒuƒoƒo nyuitɔ ƒe asi dzi ɖe edzi, evɔ womekpɔ ŋusẽ ɖe kpekui xoxo siwo le RAP me dzi o. Etɔ̃lia, asitɔtrɔ le nuzazãwo ƒe kɔsɔkɔsɔwo ŋu: xexeame katã ƒe aŋɔ kple aggregate ƒe agbɔsɔsɔ gakpɔtɔ le tɔtrɔm tso esime dɔvɔ̃a dzɔ, eye eƒe asi trɔna enuenu, evɔ RAP ya nye nusi woate ŋu akpɔ le nutoa me si ƒe agbɔsɔsɔme li ke eye woate ŋu agblɔe ɖi. Le nya sia me la, ŋutete si le ame si be wòaɖo 60%+ RAP ƒe gomekpɔkpɔ le eme gbɔ meganye nusi nyo be woakpɔ o — enye vovototo si le dɔ si me viɖe le kple esi bu dome.
Gblɔ wò dɔa ƒe nɔnɔme kple nudidiwo na mí, eye míawɔ ɖeka kple egbɔkpɔnu nyuitɔ eye míana ga home aɖe le gaƒoƒo 24 me.
Na Nya Si Woagblɔ Femaxee3-le-1 asphalt rejuvenator (dzoxɔxɔ ƒe tsakatsaka + tɔtrɔ + gbugbɔgadzɔ), RAP ƒe agbɔsɔsɔ >=60% (si sɔ gbɔ wu 100%), tsakatsaka ƒe dzoxɔxɔ 120-140°C, ɖeɖiteameŋu ƒe agbenɔƒe >=85% asphalt yeye, gazazã bliboa 25-40% si bɔbɔ wu. Viscosity 280 mPa·s, flash point 231°C, density 0.96 g/cm3, woateŋu akpɔe le 25 kg alo 1000 kg ƒe kpẽwo me. Do alɔ mɔfiame siwo wowɔ ɖe ɖoɖo nu le didi nu eye nàna batch dodokpɔ ŋuti nyatakakawo, kple asitsatsa ƒe ɖoɖo siwo woate ŋu atia le EXW/FOB/CIF/DDP.
Srɔ̃ nu tso asphalt regeneration agent tiatia kple nyayɔyɔ ŋu →