Manyan manufofin inganta aikin girgizar ƙasa na bututun samar da ruwa guda biyu ne: na farko shine tabbatar da ƙarfin watsa ruwa, don hana babban yanki na asarar matsi na ruwa, don samun damar samar da ruwa ga wuta da muhimman wurare a cikin gaggawa; na biyu shine rage lalacewar bututun don sauƙaƙe gyara cikin sauri. A wata ma'anar, lokacin da aka fuskanci bala'in girgizar ƙasa, tsarin samar da ruwa ya kamata ya sami mafi kyawun daidaitawa.
Hana manyan fasawar ruwa yana da mahimmanci wajen kiyaye aikin tsarin samar da ruwa yadda ya kamata. Tsarin bututun PE4710 (daidai da PE100) yana da mafi ƙarancin yuwuwar fashewa da zubewar kowace bututun ruwa, wanda ke taimakawa wajen cimma duk manufofin da ke sama.
Yaɗuwar raƙuman ruwa da kuma nakasar ƙasa ta dindindin su ne manyan abubuwan da ke haifar da lalacewar bututun da aka binne. Saboda kasancewar ƙarfin axial da damuwa mai lanƙwasa, motsin ƙasa yana haifar da nau'ikan axial da lanƙwasa a cikin bututun. Kayan da ke da ƙarfi sosai (matsalar da aka yarda da ita) gabaɗaya suna da iyakataccen ikon sake fasalin. Kayan da aka ƙera ta hanyar polyethylene (PE) (ƙarancin matsin lamba da aka yarda da ita) suna da kyakkyawan ikon sake fasalin da kuma tauri.
Ikon girgizar ƙasa na tsarin bututun mai yana bayyana ta hanyar daidaitawarsa ga matsin lamba a saman ruwa. Girgizar ƙasa ko yaduwar raƙuman ruwa na iya haifar da matsin lamba a ƙasa har ma da lalata bututun da suka fi rauni. Fashewar lahani, zaftarewar ƙasa, canjin ƙasa zuwa laka da kuma haɗuwa da/ko yaɗuwar gefe, raguwar ƙasa da ɗagawa na iya haifar da ƙarin matsin lamba a ƙasa, wanda ke haifar da lalacewar manyan wuraren bututun mai da aka binne. Tebur B-1 ya lissafa bayanan matsin lamba a ƙasa da aka lura a ko'ina cikin duniya saboda nakasar ƙasa ta dindindin.
Tebur B-1 An lura da matsalar ƙasa saboda nakasar ƙasa ta dindindin
Tsarin matsin lamba da ake buƙata don bututun mai yana tsakanin 0.05% zuwa 4.5%. A cikin wani rahoto na 2008 da Cibiyar Bincike ta Wutar Lantarki ta Amurka ta fitar, an ba da ma'aunin ƙarfin matsin lamba na kayan PE4710. A zafin jiki na 50°F (10°C), matsakaicin matsin lamba na bututun PE4710 shine 9.9%, yayin da matsakaicin matsin lamba na ƙarshe shine 206%. Bututun polyethylene zai motsa ne sakamakon motsin ƙasa, maimakon tsayayya da nauyin da zai iya haifar da fashewar bututu masu tauri ko masu karyewa. A mafi yawan abubuwan da suka faru na girgizar ƙasa, bututun polyethylene mai yawa (HDPE) mai walda (wanda aka walda) zai lanƙwasa, amma ba zai karye ko raba ba (haɗin da ba a rufe ba), don haka yana kiyaye samar da ruwa na yau da kullun. Ya kamata a lura cewa duk haɗin bututun PE tare da wasu gine-gine, kayan aiki da abubuwan haɗin gwiwa na iya fuskantar manyan nauyin bambanci. Ya kamata a tsara haɗin waɗannan sassan a hankali kuma a tsara shi don rage haɗarin fashewa.
Nau'in fitar da iska mai ƙarfi na bututun PE4710 ya ninka na na ƙasa sau biyu da aka gani sakamakon girman da aka gani, kuma na ƙarshe na nau'in PE4710 ya fi na nau'in ƙasa sau 40. Aikin da aka samu ta hanyar lissafin ka'ida ya yi daidai da amfani da bututun polyethylene a lokacin girgizar ƙasa. Layin samar da ruwa na HDPE da aka haɗa ya yi kyau a lokacin girgizar ƙasa. Tebur B-2 ya ba da ɗan taƙaitaccen lura da girgizar ƙasa da ta gabata a Japan (Omuro da Himono, 2018).
Jadawali B-2 Bayanan da aka lura a lokacin girgizar ƙasa da ta gabata a Japan
Ya kamata a kimanta aikin girgizar ƙasa na bututun mai, gami da tauri, ƙarfin matsin lamba na axial, radius mai lanƙwasa da aka yarda da shi, ƙarfin haɗin gwiwa, kwanciyar hankali da yanayin bututun mai da ake da shi. Yawancin gogewa na girgizar ƙasa ya nuna cewa manyan bututun samar da ruwa na HDPE daidai da ka'idojin jerin bututun ASTM na iya ci gaba da aiki na yau da kullun a ƙarƙashin yawancin yanayin nauyin girgizar ƙasa. Lokacin da buƙatun aikin girgizar ƙasa na babban bututun samar da ruwa suka yi yawa, ya kamata a yi la'akari da amfani da bututun HDPE da aka haɗa, saboda aikin girgizar ƙasa na bututun HDPE ya fi aminci, kuma suna iya daidaitawa da nau'ikan ƙasa daban-daban da girgizar ƙasa ke haifarwa da kuma kiyaye aiki na yau da kullun.
CHUANGRONGis a share industry and trade integrated company, established in 2005 which focused on the production of HDPE Pipes, Fittings & Valves, PPR Pipes, Fittings & Valves, PP compression fittings & Valves, and sale of Plastic Pipe Welding machines, Pipe Tools, Pipe Repair Clamp and so on. If you need more details, please contact us +86-28-84319855, chuangrong@cdchuangrong.com, www.cdchuangrong.com
Lokacin Saƙo: Maris-06-2025
