Welded mapaipi
Kufotokozera Zamalonda
Mapaipi owotcherera, omwe amadziwikanso kuti ma welded steel mapaipi, amapangidwa ndi kugudubuza mbale zachitsulo kapena mizere kukhala tubular ndikuwotcherera mfundozo. Pamodzi ndi mapaipi opanda msoko, ndi amodzi mwa magulu awiri akuluakulu a mapaipi achitsulo. Zomwe zili zofunika kwambiri ndizopanga zosavuta, zotsika mtengo, komanso mitundu yosiyanasiyana.
Gulu la I. Core: Gulu ndi Njira Yowotcherera
Njira zosiyanasiyana zowotcherera zimatsimikizira magwiridwe antchito a mapaipi owotcherera. Pali mitundu itatu ikuluikulu:
• Chitoliro Chowotcherera Chotalikirapo (RW): Mukakulunga chitsulocho kuti chikhale chozungulira kapena chopingasa, msoko umangiriridwa motalika (utali) motsatira chubu. Izi zimapereka mphamvu zambiri zopangira komanso zotsika mtengo, zomwe zimapangitsa kuti zikhale zoyenera kuyenda motsika kwambiri (monga madzi ndi gasi) komanso kugwiritsa ntchito zida zothandizira. Zodziwika bwino zimaphatikizapo ma diameter ang'onoang'ono ndi apakatikati (nthawi zambiri ≤630mm).
• Spiral Welded Pipe (SSAW): Mzere wachitsulo umakulungidwa mu njira ya helical ndipo msoko umapangidwa nthawi imodzi, kupanga weld wozungulira. Msoko wowotcherera umakhala wopanikizika kwambiri, womwe umapereka mphamvu yolimba komanso yopindika poyerekeza ndi chitoliro chowongoka cha msoko. Izi zimalola kupanga mapaipi akulu akulu (mpaka 3,000 mm m'mimba mwake) ndipo amagwiritsidwa ntchito makamaka ponyamula madzi othamanga kwambiri (monga mapaipi amafuta ndi gasi) ndi mapaipi otulutsa madzi amtawuni.
• Chitoliro chachitsulo chosapanga dzimbiri: Chopangidwa kuchokera ku chitsulo chosapanga dzimbiri/chingwe, chowotcherera pogwiritsa ntchito njira monga TIG (tungsten inert gas arc welding) ndi MIG (metal metal arc welding). Imakhala ndi dzimbiri komanso kutentha kwambiri kwachitsulo chosapanga dzimbiri ndipo ndiyoyenera kugwiritsa ntchito zomwe zimafunikira zida zapamwamba, monga kukonza chakudya, mankhwala, ndi zida zamankhwala. Amagwiritsidwa ntchito kwambiri m'mapaipi ang'onoang'ono komanso apakati-m'mimba mwake.
II. Ubwino Waikulu
1. Mtengo Wotsika ndi Wopanga Kwambiri: Poyerekeza ndi chitoliro chopanda msoko (chomwe chimafuna njira zovuta monga kuboola ndi kugubuduza), chitoliro chowotcherera chimapereka kugwiritsira ntchito kwazitsulo zapamwamba komanso njira yayifupi yopangira. Mitengo imakhala yotsika ndi 20% -50% pazinthu zomwezo. Kuphatikiza apo, imatha kupangidwa m'magulu ndipo mosalekeza kuti ikwaniritse zosowa zazikulu.
2. Zosintha Zosintha: Mipope yokhala ndi ma diameter osiyanasiyana (kuchokera ku mamilimita angapo mpaka mamita angapo), makulidwe a khoma, ndi magawo ozungulira (ozungulira, makwerero, ndi amakona anayi) akhoza kupangidwa pofunidwa kuti akwaniritse zosowa zaumwini za ntchito zosiyanasiyana, kuphatikizapo zomangamanga ndi mafakitale.
3. Kukonza Kosavuta: Zinthu zofananira ndi ma welds okhazikika amathandizira kudula, kubowola, kupindika, ndi ntchito zina zopangira, kuonetsetsa kuyika bwino.
III. Main Ntchito Magawo
• Makampani Omanga: Amagwiritsidwa ntchito m'mapaipi operekera madzi ndi ngalande, mapaipi oteteza moto, zopangira zitsulo (monga scaffolding and curtain wall studs), mafelemu a zitseko ndi mazenera (mapaipi a rectangular welded), etc.
• Gawo Lamafakitale: Amagwiritsidwa ntchito ngati mapaipi oyendetsa madzi otsika (madzi, mpweya woponderezedwa, nthunzi), zida zothandizira mapaipi, zida zoteteza misonkhano, ndi zina zotero; mapaipi akuluakulu ozungulira ozungulira amagwiritsidwa ntchito pamapaipi akutali amafuta ndi gasi.
• Gawo la Municipal: Amagwiritsidwa ntchito m'mapaipi amadzi am'tauni, mapaipi a gasi (pakati ndi kutsika kwapakati), mapaipi amagetsi mumsewu, njanji zamagalimoto, ndi zina zambiri.
• Moyo Watsiku ndi Tsiku: Mapaipi ang’onoang’ono owotcherera (monga mapaipi azitsulo zosapanga dzimbiri) amagwiritsidwa ntchito m’mabulaketi amipando ndi m’mipaipi ya m’khichini (monga mipope yotulutsa mpweya).
Zowonetsera Zamalonda
Zogwirizana nazo
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