Wonke umakhi wokwakha iindlela uyazi ixabiso eliphambili lezixhobo zokuxuba izityalo ze-asphalt, kodwa ngabasebenzi abanamava kuphela abaqondayo ukuba ulwakhiwo olungalunganga lunokukhupha imali engakanani ngokuzolileyo. Ukusuka ekutshisweni kwepetroli engaphezulu ukuya kwiindawo ezigugileyo ngaphambi kwexesha, iindleko ezifihlakeleyo zinokunciphisa i-invoyisi yokuqala. Ngoko ke, ngaphambi kokuba usayine loo myalelo wokuthenga, makhe sijonge ukuba yintoni eyahlula izityalo ezinenzuzo kwiintlobo ezinkulu ezihlawula ngexabiso eliphantsi.
Umatshini wokuxuba izixhobo zesityalo se-asphalt unamandla kuphela xa unxibelelwano lwawo lubuthathaka. Umatshini wokomisa, izikrini, i-pugmill, kunye ne-baghouse kufuneka zisebenze njengeqela le-jazz quartet—nganye icula yodwa ngexesha elifanelekileyo. Ayinasigqi esinye, kwaye yonke i-rhythm iyawa.
Nantsi ke indlela yokujonga inyani ngokukhawuleza: ukuba i-burner yakho ineminyaka engaphezu kwemihlanu ubudala, mhlawumbi ushiya imali engaphantsi kwe-3–5% yepetroli etafileni. Ii-retrofits ziyazihlawulela kwiinyanga ezili-14, ziphezulu.
Ukukhangela "izixhobo zokuxuba izityalo ze-asphalt" kwiGoogle, uza kutshona kwimiba yeforam ekhwaza ithi "iqela lelona lilungileyo" okanye "imithetho yedrama." Inyani yile, impendulo ifihlakele kubungakanani bomsebenzi obuqhelekileyo belizwe lakho.
Izityalo ezininzi ziyakhanya xa usenza imixube yexesha elifutshane neliphezulu—cinga ngemixube yesikhumulo seenqwelo-moya okanye i-SMA eguqulweyo nge-polymer. I-pugmill yeetoni ezi-5 ikunika ulawulo lotyando kwi-aggregate gram nganye. Abaxubi bedrama abaqhubekayo, kwelinye icala, bathanda ukutsalwa kwendlela ende apho unokutshixa khona i-gradation kwaye ujike i-400 tph ngaphandle kokuqhwanyaza.
Isilumkiso sotshintsho: Kwanasemva kokuba ukhethe ifilosofi, icebo lokwenyani kukucacisa indlela yokuseta i-silo. Ulwakhiwo lwe-hot-storage ye-300 yeetoni lunokuthintela i-paving shift yeeyure ezili-12, lususe imigca yeelori ezibizayo ezicaphukisa abahloli be-DOT.
Masithethe nge-turkey—ipetroli ingatya i-60% yeendleko zokusebenza. Oonobangela? Ukulungiswa kakubi kokutsha, imibhobho evuzayo, kunye ne-compressor yomoya "encinci" ye-200 cfm olibale ukuyihlukanisa ebusuku. Yongeza ii-VFD kwifeni yakho eqhutywa ngumbane kwaye uya kunciphisa enye i-4% kwityala lombane. Ayisiyonto inzima, kodwa ngokuqinisekileyo ihlawula irenti.
Izixhobo zokuxuba izityalo ze-asphalt zanamhlanje zithunyelwa ngeephaneli ze-PLC ezilungisa umlinganiselo womoya-fuel wesitovu ngexesha langempela. Faka isango lefu kwaye isityalo siyakuthumela umyalezo xa iibheringi ze-trunnion zifikelela kwi-180 °F—iiyure ngaphambi kokuba kubekho ukuqandusela okubi. Omnye umakhi waseFlorida undixelele ukuba ixesha lokungasebenzi lehle ngama-37% kunyaka wokuqala emva kokongeza ii-alamu ezikude. Hayi ukuba kubi, akunjalo?
Libala ngengqondo ethi "baleka uyeke". Endaweni yoko, cwangcisa ukuskena kwe-infrared rhoqo ngekota kwiibhanti ze-elevator; ukuskena kwe-$300 kunokuqikelela umlilo webhanti ye-$9,000. Thambisa izivalo zakho zomnyango we-pugmill yonke imihla—imizuzwana engama-30 igcina i-$2,000 yokutshintshwa komnyango. Kwaye i-stock keys ebalulekileyo: injini enye ye-200-hp ebanjiweyo inokumisa yonke isityalo kangangeentsuku ezimbini, nto leyo ebiza i-$40 k kwimveliso elahlekileyo.
Izongezo zomxube oshushu onekhabhoni ephantsi azisekho mfuneko; zicingelwa kwi-40% yeeprojekthi ezintsha zase-US. Tyala imali kwikhithi yebhitumen enefoam ngoku kwaye uza kubhida i-RFPs yangomso ngaphandle kokulungiswa okubizayo. Izitshisi ezilungele i-hydrogen nazo zisemnyango—abasebenzisa kwangethuba banokufaka iikredithi zekhabhoni ezixabisa i-$8 ngetoni nganye yomxube. Hlala ujonge loo ndawo.
Izixhobo zokuxuba izityalo ze-asphalt ezifanelekileyo azibizi mali—ziyinjini yenzuzo. Gxila kumgangatho wezinto, fanisa indlela yesityalo nomsebenzi wakho oqhelekileyo, kwaye usebenzise oomatshini ukuze ubambe iingxaki ngaphambi kokuba ziqhume. Yenza loo nto, uya kuhleka yonke indlela ukuya ebhankini ngelixa abakhuphisana nabo benyamekela amasela abo epetroli afihlakeleyo.