Binciken Tsarin Samar da Sharar Can
A matsayin mahimmin ɓangaren ababen more rayuwa na tsaftar birni, sharar iya samar da hanyoyin yin tasiri kai tsaye ga dorewar samfurin, ƙayatarwa, da aikin muhalli. Sharar zamani na iya samarwa da farko ya ƙunshi matakai huɗu masu mahimmanci: shirye-shiryen albarkatun ƙasa, gyaran allura, jiyya a saman, da haɗuwa da gwaji.
Matakin shirye-shiryen albarkatun kasa yana buƙatar tantance kayan aiki mai ƙarfi. Gwangwanayen shara na birni yawanci suna amfani da yanayi{1}} robobi masu juriya irin su manyan polyethylene (HDPE) ko polypropylene (PP). Masterbatch da kayan da aka sake yin fa'ida (ba fiye da 30%) an gauraye su daidai gwargwado ta amfani da tsarin aunawa mai sarrafa kansa don tabbatar da ƙarfin kayan aiki da bin ka'idodin GB/T 28019{7}2020 don kare muhalli. Masana'antu - gwangwani na shara kuma na iya haɗawa da abubuwan da ke hana wuta ko masu hana lalata.
Yin gyaran allura babban tsari ne. Bayan an narkar da shi a digiri 200 - 280 , ana allurar kayan da ake amfani da su a cikin madaidaicin gyare-gyare ta hanyar amfani da injin gyare-gyaren screw a matsa lamba 15 - 25 MPa. Zagayen sanyaya yana ɗaukar kusan daƙiƙa 30-90 (dangane da girman samfurin). Ana sarrafa zafin jiki tsakanin 40-60 digiri don rage nakasawa. Manyan kwandunan shara suna buƙatar gyare-gyaren rami da yawa ko fasahar gyare-gyaren gas mai taimakon gas don inganta haɓakar samarwa.
Maganin saman ya haɗa da bugu da feshi. Ana buga rubutu da alamu ta amfani da bugu na UV don cimma tsayin daka na UV{1}. Kwancen shara na waje galibi ana lulluɓe foda na lantarki{3}}, tare da kauri mai kauri na 80-120μm. Yin warkewa a digiri 180 yana samun juriya da juriya da kaddarorin mannewa. Wasu samfura masu inganci ana yin su da bakin karfe kuma suna buƙatar goge ko gogewa.
The final stage is assembly testing. Trash cans with inner containers require rubber sealing rings to be installed. The entire product must pass load tests (≥50kg static pressure), drop tests (1.5m height), and dimensional accuracy measurements (tolerance ±1.5mm). Qualified products are disinfected with ozone before packaging and labeled with material symbols according to international standards (such as a recycling symbol >7).
Dukkanin tsarin na iya damfara lokacin samarwa guda ɗaya{0} zuwa ƙasa da mintuna 2 ta layin samarwa mai sarrafa kansa. A lokaci guda, yana dogara ga tsarin MES don cimma cikakken {3}} tsari mai inganci, tabbatar da cewa sharar na iya kiyaye rayuwar sabis na shekaru 5-8 a cikin mahalli masu rikitarwa.
