Kukonza magwiridwe antchito ndi khalidwe labwino ndikofunikira kwambiri mumakampani opanga zinthu zolemera omwe akusintha nthawi zonse. Chimodzi mwa zinthu zofunika kwambiri paukadaulo wowotcherera womwe wabuka m'zaka zaposachedwa ndi kuwotcherera kwa arc submerged kawiri (DSAW). Ukadaulo watsopanowu sumangowonjezera kulimba kwa kapangidwe ka zinthu zowotcherera, komanso umafewetsa njira zopangira, zomwe zimapangitsa kuti zikhale zosintha kwambiri mafakitale omwe amadalira zipangizo zolemera.
Pakati pa DSAW pali kuthekera kwake kupanga ma weld apamwamba kwambiri opanda zolakwika zambiri. Njirayi imaphatikizapo ma arc awiri omwe amakwiriridwa pansi pa wosanjikiza wa granular flux, womwe umateteza dziwe la weld ku kuipitsidwa ndi okosijeni. Zotsatira zake ndi weld yoyera komanso yamphamvu yomwe imatha kupirira zovuta za ntchito zopanga zinthu zolemera. Izi ndizofunikira kwambiri kwa makampani omwe amapangakapangidwe kozizira kopangidwa ndi weldedmagawo opanda kanthu, monga omwe atchulidwa mu miyezo ya ku Ulaya mu mawonekedwe ozungulira, a sikweya kapena amakona anayi. Magawo awa ndi ofunikira kwambiri pa ntchito zosiyanasiyana, kuphatikizapo zomangamanga, zomangamanga ndi makina olemera.
Chomerachi, chomwe chili ku Cangzhou, m'chigawo cha Hebei, chikuwonetsa bwino ubwino wa DSAW popanga zinthu zambiri. Chomerachi, chomwe chidakhazikitsidwa mu 1993, chili ndi malo okwana masikweya mita 350,000 ndipo chili ndi katundu wokwana ma yuan 680 miliyoni. Ndi antchito odzipereka 680, chomerachi ndi mtsogoleri pakupanga magawo apamwamba okhala ndi mabowo. Mwa kuphatikiza DSAW mu njira yopangira, chomerachi chakweza kwambiri magwiridwe antchito komanso mtundu wa zinthu.
Chimodzi mwa ubwino waukulu wa DSAW ndi liwiro. Njirayi imalola kuthamanga kwa kuwotcherera mwachangu kuposa njira zachikhalidwe, zomwe zimachepetsa nthawi yopangira. Kuchita bwino kumeneku ndikofunikira kwambiri popanga zinthu zolemera komwe nthawi zambiri kumakhala kofunikira. Mwa kuchepetsa nthawi yowotcherera, opanga amatha kuwonjezera kupanga ndikukwaniritsa zofunikira pamsika wopikisana.
Kuphatikiza apo, khalidwe la DSAW weld limapitirirabe kukhala lokwera. Njira yolowera pansi pa nthaka imachepetsa chiopsezo cha zolakwika monga ma porosity ndi zinthu zomwe zingasokoneze kapangidwe ka chinthu chomaliza. Izi ndizofunikira kwambiri pazigawo za pulasitiki zofewa zopangidwa ndi pulasitiki, zomwe ziyenera kukwaniritsa miyezo yokhwima kuti zitsimikizire kuti ntchito zawo ndi zotetezeka komanso zodalirika. Fakitale ya Cangzhou imagwiritsa ntchito ukadaulo uwu kuonetsetsa kuti zinthu zake sizingokwaniritsa miyezo yamakampani okha, komanso zimapitirira.
Kuwonjezera pa kukonza bwino ntchito ndi ubwino, DSAW imathandizanso kusunga ndalama. Ndi zolakwika zochepa, pamakhala kufunika kochepa kokonzanso zinthu, zomwe zikutanthauza kuti opanga amatha kugawa zinthu moyenera. Izi ndizothandiza makamaka popanga zinthu zambiri, komwe ndalama zogulira zinthu ndi antchito ndizofunikira kwambiri pa ndalama zonse zopangira.
Pamene makampani opanga zinthu zambiri akupitilira kukula, kugwiritsa ntchito ukadaulo wapamwamba wowotcherera mongacholumikizira cha arc choviikidwa m'madzi kawiriidzakhala ndi gawo lofunika kwambiri pakukonza tsogolo. Makampani omwe amaika ndalama mu ukadaulo uwu sadzangowonjezera magwiridwe antchito komanso adzakulitsa khalidwe la malonda, motero adzapeza malo otsogola pamsika wopikisana kwambiri.
Mwachidule, kulumikiza ma arc awiri pansi pa madzi kukusinthiratu kupanga zinthu zolemera mwa kukonza magwiridwe antchito ndi khalidwe. Chomera ichi ku Cangzhou City ndi chitsanzo chabwino cha momwe ukadaulo ungaphatikizidwe bwino mu njira yopangira, ndikupanga magawo apamwamba okhala ndi mabowo omwe amakwaniritsa zosowa zamakampani amakono. Pamene opanga akuyesetsa kuchita bwino, kugwiritsa ntchito ukadaulo watsopano monga DSAW kudzakhala kofunikira kwambiri kuti zinthu ziyende bwino m'zaka zikubwerazi.
Nthawi yotumizira: Epulo-08-2025