man fetur mai ƙima. Shin yana da daraja tuƙi?
A gidajen mai, ban da man fetur mara gubar mai octane 95 da 98, dizal da iskar gas na gargajiya, ana iya samun abin da ake kira ingantattun man fetur. Farashin su a fili ya fi daidaitaccen mai, amma shin da gaske suna ba da garantin mafi kyawun aiki?
Duk tallace-tallace don haɓakar haɓakar ƙima yana zuwa asali zuwa taken guda ɗaya - ƙarin iko. Kwatanta da motoci na Formula 1, daɗaɗɗen wuta daga bututun shaye-shaye, farawa tare da tayar da taya ... Mun san duk wannan daga tallace-tallace na TV. Hotuna irin wannan na iya tada tunanin kuma su ƙarfafa mu mu cika man da ya fi tsada. Amma shin da gaske zabi ne mai kyau?
Verva (Orlen), V-Power (Shell), Ultimate (BP), milesPLUS (Statoil), Dynamic (LOTOS) an inganta man fetur da ake bayarwa a gidajen mai a Poland. A kididdiga magana, sun kasance game da PLN 20 fiye da daidaitattun takwarorinsu (a cikin yanayin da premium dizal, wannan shi ne ma fiye da PLN 30). Yawancinsu sun fito ne daga masu rarrabawa a Poland, banda Shell, wanda ke shigo da mai daga ketare. Don haka, tushe ɗaya ne a kowane hali, kuma man fetur ya bambanta musamman ta hanyar da kamfanoni ke ƙarawa da shi. Ba a san ainihin abin da ke tattare da gaurayawan ba.
Dukansu man fetur da dizal mai ƙima sun ƙunshi, a tsakanin sauran abubuwa, ƙarancin sulfur, yana mai da su kore. Bugu da kari, saboda amfani da man shafawa a cikin wadannan makamashin, abubuwan da ke cikin injin din suna raguwa. Godiya ga yin amfani da masu haɓakawa, ƙonawa na ingantaccen man fetur ya fi tsabta, wanda ke rinjayar rayuwar injin.
Koyaya, dangane da wutar lantarki, gwaje-gwajen da aka yi a cikin dakin gwaje-gwaje sun nuna alamun karuwarsa kawai. Waɗannan su ne ainihin ƙananan bambance-bambance - bisa ga ƙididdiga, karuwar ƙarfin yana cikin kewayon 1,6 - 4,5%. A haƙiƙa, irin waɗannan ƙananan ƙarfin wutar lantarki na iya haifar da canjin yanayi.
Andrzej Szczesniak, masani kan kasuwar man fetur ya ce "Yadda man fetur mai kima ke shafar aikin injin wani sirri ne mai dadi na masu kera wannan man." "Duk da haka, a gaba ɗaya, ana ɗauka cewa ingantaccen mai zai iya yin aiki daban-daban a cikin injuna daban-daban," in ji shi.
A ra'ayinsa, shekarun injin yana da matukar muhimmanci a wannan yanayin.
- Sabbin raka'a, ƙarin ci-gaba na iya yin aiki mafi kyau ta hanyoyi da yawa lokacin da aka hura su da mafi girman darajar mai. A daya bangaren kuma, idan aka yi la’akari da tsofaffin injuna, yanayinsu na iya kara tsananta a wasu lokuta. Man fetur mai ƙima na iya fitar da gurɓataccen da aka gina a cikin injin tsawon shekaru, wanda zai iya toshewa da lalata tsarin allura. Ka tuna cewa matsakaicin shekarun motar motar Poland shine shekaru 15, kuma a cikin motar wannan shekarun zan yi hankali lokacin cika man fetur mai ƙima. Koyaya, za mu iya sake mai da sabbin motoci cikin aminci, "in ji Szczesniak.
Michael Evans wani injiniya dan kasar Birtaniya ne ya tabbatar da kalaman nasa wanda ya kwashe shekaru yana shirya man Shell ga motocin Ferrari Formula 1.
"Na san abin da ke cikin Shell V-Power da kyau kuma zan iya tabbatar muku da cewa waɗannan man fetur ba su da lafiya ga sababbin injuna. Ba wannan kadai ba, sun fi man fetur na yau da kullun saboda yana dauke da abubuwan da ke kare sassan karfen injina. Wani abin sha'awa shi ne, man fetur mai ƙima yana amfani da abubuwa iri ɗaya da motocin Formula 1, amma ba shakka a cikin nau'i daban-daban, in ji Evans.
"Ina amfani da man fetur mai ƙima ne kawai a cikin motata," in ji shi.
Additives na man fetur
Ingantaccen man fetur bai isa ba. A kusan kowane gidan mai, ma'ajin suna cike da kowane nau'in ingantawa. Masana ba su ba da shawara a kansu ba, amma a lokaci guda suna ba da shawarar daidaitawa.
A cikin tsofaffin motocin diesel, ana iya samun matsala tare da ƙarancin sulfur, wanda ke aiki azaman mai mai a cikin irin waɗannan raka'a. Lokacin da motoci masu injunan dizal na zamani bisa tsarin alluran layin dogo na gama gari suka fara shiga samarwa, man dizal ɗin sulphated ya yi mummunan tasiri ga ayyukan waɗannan rukunin. Don haka, an tilasta matatun rage yawan sulfur a cikin man dizal.
Wannan ya ƙara rayuwar sababbin raka'a, amma an sami matsala tare da tsofaffin diesel. Masana sun ba da shawarar ƙara magani a cikin akwatin kifaye lokaci zuwa lokaci don cike waɗannan gibin.
Wani batu na daban shine lokacin hunturu, wanda zai iya shafar masu injin diesel. A ƙananan zafin jiki (kimanin debe 20 digiri Celsius), paraffin na iya fadowa daga man dizal, wanda ke toshe tsarin mai (yafi yawan tacewa). Abubuwan da ake kira masu damuwa suna zuwa ceto, suna rage juriya da 'yan ma'aunin Celsius.
Farashin mai na yau da kullun a tashoshin cike da Yaren mutanen Poland (tun daga 10.07.2015, Yuli XNUMX):
| Tashar | Suna da nau'in mai | Cost |
| Orlen | Wato 98 | 5,45 zł |
| Verva ON | 4,99 zł | |
| Harsashi | V-force nitro + | 5,48 zł |
| V-Power Nitro+ Diesel | 5,12 zł | |
| BP | Karshen 98 | 5,32 zł |
| Cikakken Diesel | 5,05 zł | |
| Statoil | MULKI 98 | 5,29 zł |
| dizal mai PLUS | 5,09 zł | |
| Lotus | Lotus Dynamic 98 | 5,35 zł |
| Lotus Dynamic Diesel | 4,79 zł |
(10.07.2015 Yuli 98 matsakaicin farashin Pb 5,24 na yau da kullun shine PLN 4,70 kuma ON shine PLN XNUMX)
