Lokacin da tsire-tsire kwalta suka ɗauki fasahar SMA (Stone Mastic Asphalt), ciyarwar fiber lignocellulose ba tunani bane - yana da mahimmancin ƙulli. Mun ga ayyuka da yawa sun tsaya cak saboda mai ciyarwa ba zai iya kula da daidaitaccen adadin 3-5 g/kg a cikin rafukan bitumen 200+°C ba. Shi ya sa masu aiki ke ƙara tantancewa Lignocellulose feeder SMA don shuka kwalta raka'o'in da aka gina don kwanciyar hankali na zahiri na duniya, juriyar ƙura, da maimaita mitoci-ba ƙayyadaddun ƙayyadaddun bayanai ba.

Babu sauran “Mai kyau Isa” Ciyarwar Fiber

Lignocellulose zaruruwa — yawanci tushen itace, tsayin 3-6 mm, tare da abun ciki na danshi a ƙarƙashin 8% — dole ne su shigar da mahaɗin a daidai adadin yawan kwararar ruwa. Kadan kaɗan: ƙarancin ɗaukar hoto mai ɗaukar hoto, haɗarin rutting. Da yawa: clumping, rashin iska, gajiya da wuri. Yawancin masu ciyar da abinci suna kasawa a maki uku: haɗaɗɗen hopper a cikin yanayi mai ɗanɗano, zamewa a ƙarƙashin kaya, ko rawar jiki da ta haifar da jujjuyawa yayin fara shuka. Sibo Jixiang Machinery's SMA-takamaiman masu ciyar da lignocellulose suna warware waɗannan ta ƙira-ba sake fasalin ba.

Jerin su SjLF-120 yana amfani da tsarin ciyarwa mai mataki biyu: hopper mai ɗaukar nauyi mai ƙarfi tare da daidaita girman girman girma, sannan kuma mai ɗaukar hoto, bakin karfe mai dunƙulewa tare da ra'ayi mai jujjuyawa. Ba kamar masu ciyar da kayan abinci na gabaɗaya ba, yana kiyaye daidaiton ± 1.2% daidaitaccen adadin adadin 0.8-12 kg/h - an tabbatar da shi a cikin gwaje-gwajen filin ko'ina cikin hamadar Saudi Arabiya da zafi damina na Vietnam. Adadin ciyarwa yana daidaitawa a cikin ainihin lokaci ta hanyar siginar kwararar bitumen mai alaƙa da PLC, yana kawar da ƙetarewar hannu.

Mahimmanci, yana haɗa kai tsaye tare da tsarin sarrafa kwalta na gama gari-babu kayan aikin ƙofa da ake buƙata. Mun ba da umarni raka'a tare da Benninghoven, Ammann, da na'urorin haɗar ganguna na al'ada. Kowane shigarwa ya haɗa da daidaitawa a kan rukunin yanar gizon ta amfani da ingantattun ma'auni na fiber, ba kawai sigogin ƙaura ba.

Me yasa Madaidaicin Feeders Faɗuwa a cikin Aikace-aikacen SMA

Wasu 'yan kwangila suna ƙoƙarin daidaita siminti ko masu ciyar da toka don lignocellulose. Yana da wuya aiki. Masu ciyar da siminti sun dogara da ruwa; lignocellulose yana kawar da iska. Fly ash feeders rike lafiya foda; lignocellulose yana da fibrous kuma a tsaye-mai yiwuwa. Wani abokin ciniki a Kenya ya gudanar da batches uku a jere tare da rashin daidaiton kwanciyar hankali na Marshall-kawai don gano mai ciyar da su "duniya" ya tara 47 g na ragowar fiber a bayan ƙofar fitarwa bayan sa'o'i 8. Wannan ba kulawa ba ne - gazawar ƙira ce.

Masu ciyar da Zibo Jixiang suna amfani da layin polymer maras sanda, lissafi mai tsaftace kai, da sake zagayowar tsarkakewa a kowane minti 90-ko akan buƙata. Tushen fitar da ruwa yana hawa kai tsaye cikin bututun bitumen, yana rage asarar iska. Babu taimakon iska na waje. Babu abin busa na biyu. Kawai sarrafawa, isar da abinci mai nauyi inda fiber ya hadu da mai ɗaure.

Sharuɗɗan Aiwatarwa na Haƙiƙa—Ba Da'awar Kasidar ba

Shigarwa ba toshe-da-wasa bane-amma ana iya tsinkaya. Kuna buƙatar izinin mm 300 a ƙasa da tashar hopper, ƙaƙƙarfan firam mai hawa (ba a haɗa shi da tsarin shuka mai girgiza ba), da madaidaicin siginar 4-20 mA daga babban PLC ɗin ku. Babu matsewar iska da ake buƙata. Babu wani aikin farar hula da ya wuce ƙwanƙwasa na M12 guda biyu. Gudanarwa yana ɗaukar ƙasa da mintuna 90: daidaita madaidaicin sifili, gwajin cikakken lodi, da tabbatarwa akan bayanan tikitin.

Mun yi jigilar sama da raka'a 87 tun daga 2021 - zuwa Najeriya, Uzbekistan, Colombia, da Poland. A duk lokuta, na farko 200 ton 200 na SMA samar sun hadu da EN 13108-5 fiber watsar bayanai dalla-dalla ba tare da mai aiki sake kunnawa. Kayayyakin kayan gyara? Kit ɗin ɗaya ya ƙunshi kashi 95% na gyare-gyaren filin: hatimin auger, haɗar tuƙi, saitin hopper liner. Lokacin jagora don sauyawa sassa: 12-18 kwanaki ƙofa zuwa kofa, sa ido.

Amma ga abin da ya fi mahimmanci: lokacin da fiber dosing ya kasance cikin haƙuri, SMA's voids-in-mineral-aggregate (VMA) yana tsayawa a 17.2 ± 0.3%. Wannan daidaiton yana nufin ƙarancin samfuran asali da aka ƙi, ƙarancin sake yin aiki, da karɓar matatfiya cikin sauri. Wannan shine ROI da kuke aunawa a cikin kwanaki-ba kwata-kwata ba.

Zaɓin Madaidaicin Lignocellulose Feeder SMA don Shuka Kwalta

Yi tambayoyi uku kafin a fayyace:

Zibo Jixiang yana buga cikakkun takaddun fasaha akan layi-ciki har da zane-zane mai girma, zane-zanen waya, da lissafin tantancewa. Babu NDAs da ake buƙata. Babu kofofin "tallace-tallace na lamba". Fahimtar matakin injiniya kawai.

Don tsire-tsire na kwalta suna gudana SMA a 200+ ton / hour, dogaro ba game da kaso na lokaci ba. Yana da game da sanin kashi na fiber ba zai canza ba lokacin da zafi na yanayi ya kai kashi 92% ko kuma hawan bitumen a karfe 3 na safe Wannan tabbacin yana farawa da Lignocellulose feeder SMA don shuka kwalta- kuma ya ƙare da pavement wanda ya dawwama.