Manufar tsire-tsire na kwalta shine don samar da kwalta mai zafi. Waɗannan tsire-tsire suna amfani da tara, yashi, bitumen da sauran irin waɗannan abubuwa musamman da yawa don samar da kwalta, wanda kuma ake kira blacktop ko kwalta.
Babban aikin shukar kwalta da ke hada kwalta shi ne ta rika dumama su sannan a hada su da bitumen da sauran sinadarai masu mannewa don samar da kwalta mai zafi. Yawa da yanayin jimlar sun dogara da takamaiman buƙatu. Yana iya zama abu mai girman guda ɗaya ko haɗuwa da abubuwa masu yawa masu girma dabam, tare da cakuda ɓangarorin masu kyau da ƙananan.
Nau'in Tsirraren Kwalta
Hakanan aikin tsire-tsire na kwalta ya dogara da nau'in tsire-tsire na kwalta. Gabaɗaya, akwai manyan nau'ikan tsire-tsire na kwalta guda biyu. Babban manufar duk waɗannan nau'ikan shine don samar da zafi mix kwalta. Duk da haka, akwai manyan bambance-bambance tsakanin waɗannan tsire-tsire ta fuskar hanyar da suke samun sakamakon da ake so da kuma gaba ɗaya ayyukan aiki.
1. Batch Mix Shuka
Akwai abubuwa da yawa da ke tattare a cikin wani kwalta ta kankare madarar cakuda ƙasa. Wani abu mafi mahimmanci game da irin waɗannan tsire-tsire shi ne yin amfani da kwandon abinci mai sanyi don adanawa da ciyar da aggregates a sassa daban-daban daidai da girmansu. Bugu da ƙari, suna da bel ɗin ciyarwa na taimako a ƙasa da kowane bin.
Ana amfani da na'urar jigilar kaya don jujjuya jimlar daga wannan isar zuwa wancan. Daga ƙarshe, duk kayan ana canjawa wuri zuwa busassun bushewa. Koyaya, aggregates suma dole ne su bi ta allon jijjiga don tabbatar da kawar da manyan abubuwan da suka dace.
Drum ɗin bushewa ya ƙunshi na'ura mai ƙonawa don cire danshi da zafi sama da tarin don tabbatar da ingantacciyar zafin haɗuwa. Ana amfani da elevator don ɗaukar jimlar zuwa saman hasumiya. Hasumiyar tana da manyan raka'a uku: allon jijjiga, kwanon zafi da na'urar hadawa. Da zarar an raba aggregates da allon jijjiga gwargwadon girmansu, ana adana su na ɗan lokaci zuwa ɗakuna daban-daban da ake kira hot bins.
Wuraren zafi suna adana jimlar a cikin kwanoni daban-daban na wani ɗan lokaci sannan a sake su cikin sashin hadawa. Lokacin da aka auna tarin kuma aka saki, bitumen da sauran kayan masarufi galibi ana fitar da su cikin sashin hadawa suma.
A galibin sassan masana'antu, shigar da na'urorin sarrafa gurɓataccen iska yana da mahimmanci don tabbatar da dorewar da kuma amintaccen yanayin tsirrai na bishiyar asphalt. Yawanci, ana amfani da raka'o'in tace jaka don tarko ƙurar ƙura. Sau da yawa ana sake yin amfani da ƙurar a cikin tarin lif.
2. Drum Mix Shuka
Drum mix shuke-shuken kwalta suna da kamanceceniya da yawa ga tsire-tsire masu haɗuwa. Ana amfani da kwandon sanyi a cikin tsire-tsire masu gauraya ganga. Haka kuma, tsarin ya yi kama da na batch mix shuka har sai da aggregates shiga cikin ganga bayan ta hanyar da vibrating allon raba su bisa ga girman su.
Dram yana da manyan ayyuka guda biyu: bushewa da haɗawa. Ana amfani da kashi na farko na ganga don dumama tarin. Abu na biyu, ana haɗa tari da bitumen da sauran kayan tacewa. Yana da mahimmanci a lura cewa shukar drum mix kwalta shuka ce mai ci gaba da haɗuwa. Sabili da haka, ana amfani da ƙananan kwantena ko kayan da suka dace don riƙe da zafi mai zafi.
Tun da an haɗa bitumen a wani mataki na gaba na samarwa, an fara adana shi a cikin tankuna daban sannan a saka shi cikin kashi na biyu na ganga. Yana da mahimmanci a kula da ingancin iska mai kyau don guje wa gurɓata yanayi. Don wannan dalili, na'urorin sarrafa gurɓatawa kamar masu goge-goge ko matattarar jaka ana yawanci amfani da su a cikin tsire-tsire masu haɗar kwalta.
A bayyane yake cewa duka waɗannan nau'ikan tsire-tsire suna da wasu abubuwan gama gari da hanyoyin aiki. Misali, kwanon abinci yana da mahimmanci a cikin tsari da kuma ci gaba da tsire-tsire. Hakazalika, allon girgiza yana da mahimmanci a kowane nau'in shuka kwalta. Sauran sassan shuke-shuke kamar lif na guga, hadawa raka'a kamar ganguna, awo hoppers, ajiya tankuna, jakar tacewa da kuma kula da gida suma suna da muhimmanci a duka batch mix shuka da kuma ganga mix shuka.
Manufar bambancewa tsakanin waɗannan manyan nau'ikan tsire-tsire guda biyu shine don nuna cewa nau'ikan tsire-tsire guda biyu suna samar da kwalta mai zafi mai kyau, koda kuwa suna amfani da tsarin aiki daban-daban.
Nau'in masana'antar kwalta da kamfani ke son kafawa ya dogara sosai kan buƙatun kasuwancin su, kasafin kuɗi da ƙa'idodi da ƙa'idodi na yankin masana'antu. Don ƙarin bayani
Takaitawa
Tsiran kwalta suna samar da kwalta mai zafi ta hanyar amfani da aggregates, yashi, bitumen, da sauran kayan. Tsarin ya haɗa da dumama tarin da kuma haɗa su da bitumen don ƙirƙirar kwalta. Akwai manyan nau'ikan tsire-tsire na kwalta guda biyu: cakuda batch da cakuda ganga.
Batch mix tsire-tsire suna samar da kwalta a cikin batches, ta yin amfani da tsari mai matakai da yawa wanda ya haɗa da masu ciyar da jimillar sanyi, allon jijjiga, da haɗakar raka'a. Tsirrai masu haɗawa da ganga, a gefe guda, suna ci gaba da aiki, suna haɗa bushewa da haɗuwa a cikin ganga ɗaya. Duk nau'ikan tsire-tsire suna ba da kwalta mai inganci, tare da zaɓin dangane da buƙatun kasuwanci, kasafin kuɗi, da ƙa'idodi.
