Pamene kufunikira kwa zipangizo zamapaipi m'mafakitale kukukulirakulira, kutchuka kwa mapaipi opanda msoko ndi mapaipi olumikizidwa kukupitirira kukwera. Nkhaniyi isanthula mokwanira kuchokera ku malingaliro a kapangidwe ka zinthu, ubwino waukulu, njira zosiyanitsira ndi magawo oyenera, ndikuphatikiza mawu osakira otchuka akuti "kusankha zinthu zamapaipi okhala ndi mphamvu yayikulu" ndi "zipangizo zomangira zotsika mtengo" kuti zipereke tanthauzo la kugula zinthu zaukadaulo.
1. Kapangidwe ka zinthu
Chitoliro chopanda msoko
Zipangizo zazikulu: chitsulo cha kaboni chapamwamba kwambiri (monga chitsulo 20, chitsulo 35), chitsulo cha alloy (monga 16Mn, 40Cr), chitsulo chosapanga dzimbiri (304/316L) ndi chitsulo cha boiler (20g)
Zinthu: palibe ma weld, kapangidwe kofanana, koyenera kutentha kwambiri komanso kupanikizika kwambiri.
Chitoliro cholumikizidwa
Zipangizo zazikulu: chitsulo chotsika mpweya (Q235), chitsulo chotsika mpweya (L290, L360), chitsulo cholimba ndi chitsulo chosapanga dzimbiri
Zinthu: zopangidwa ndi kuwotcherera mbale zachitsulo, mtengo wotsika komanso mawonekedwe osinthasintha.
2. Kuyerekeza ubwino waukulu
Gulu Ubwino wa chitoliro chopanda msoko Ubwino wa chitoliro cholumikizidwa
Mphamvu Mphamvu yayikulu, kukana kuthamanga kwa mpweya kopitilira 415MPa16 Mphamvu yowotcherera ndi yotsika pang'ono, koma imatha kukwaniritsa zofunikira za kuthamanga kwa mpweya kotsika
Njira Yopanda ma weld, pewani chiopsezo cha kutayikira kwa madzi15 Kugwiritsa ntchito bwino kwambiri, mtengo wotsika ndi 30%-50%.
Mawonekedwe Malo osalala, palibe zizindikiro zokonzera3 Ma welds alipo, kukonza pamwamba kumafunika kuti mawonekedwe awonjezeke6
Kugwiritsa ntchito mafuta ndi gasi wopanikizika kwambiri, mphamvu ya nyukiliya, makina olondola5 Nyumba zomangira, uinjiniya wa m'matauni, ulimi wothirira
3. Masitepe 4 osiyanitsa mapaipi osasoka ndi mapaipi olumikizidwa
Yang'anani chotchingira: zizindikiro zotchingira zolunjika zitha kuwoneka pakhoma lamkati ndi lakunja la chitoliro chotchingira, ndipo chitoliro chosasunthika chilibe mipata
Mphamvu yoyesera: mapaipi osapindika amatha kupirira mayeso okwera a kuthamanga kwa madzi (monga pamwamba pa 30MPa)
Unikani gawo lopingasa: chitoliro chopanda msoko chili ndi gawo lopingasa lofanana, ndipo chitoliro chopingasa chingakhale ndi kusiyana pang'ono kwa makulidwe chifukwa cha kuwotcherera
Chongani satifiketi: mapaipi osapindika ayenera kupereka malipoti ozindikira zolakwika za zinthu, ndipo mapaipi olumikizidwa ayenera kuyang'ana kwambiri pa chitsimikizo cha khalidwe la weld
4. Zitsanzo zovomerezeka zogwiritsira ntchito
Mapaipi opanda msoko:
Mafuta ndi gasi wachilengedwe: mapaipi otumizira mpweya amphamvu kwambiri (X60/X70 chitsulo chamtundu)
Mphamvu ndi mphamvu: mapaipi a boiler, makina oziziritsira mphamvu ya nyukiliya
Kupanga zinthu zapamwamba kwambiri: mapaipi a hydraulic a ndege, shafts zoyendetsera magalimoto
Chitoliro cholumikizidwa:
Uinjiniya womanga: chimango cha kapangidwe ka chitsulo, scaffolding
Moyo wa anthu am'mizinda: njira yopezera madzi ndi ngalande, njira ya HVAC
Ulimi ndi mafakitale: mapaipi othirira, mashelufu osungiramo zinthu
V. Jindalai Steel: Yankho la chitoliro chimodzi
Poyankha kufufuzidwa kwaposachedwa kwa "malo opezeka" ndi "mapaipi otsika mtengo", Jindalai Steel Company yakhala chisankho choyamba cha makampaniwa ndi zabwino izi:
Magulu onse: kuphatikiza chitsulo cha kaboni, chitsulo cha alloy, mapaipi osapanga dzimbiri osapanga dzimbiri ndi mapaipi olumikizidwa, othandizira kukula kosasinthika
Ubwino wa mtengo: kupanga kwakukulu kumachepetsa ndalama, ndipo mtengo wa mapaipi olumikizidwa ndi 10% wotsika kuposa msika.
Chitsimikizo cha khalidwe: perekani malipoti owunikira a chipani chachitatu (monga SGS, BV), mogwirizana ndi GB/T 3091, GB/T 9711 ndi miyezo ina ya dziko.
Yankho lachangu: matani 5,000 a zinthu zomwe zasungidwa
Mapeto
Kaya ndi mapaipi osasokonekera omwe ali ndi mphamvu zambiri kapena mapaipi olumikizidwa bwino komanso osawononga ndalama zambiri, kusankha zinthu zoyenera kungathandize kuti polojekitiyi ipindule kwambiri. Jindalai Steel, yokhala ndi ukadaulo ndi chithandizo chachikulu, imapatsa makasitomala apadziko lonse lapansi njira zotsika mtengo zothandizira kuti mapulojekiti agwire ntchito bwino!
(Ngati mukufuna zinthu zinazake kapena mitengo, chonde funsani Gulu la Akatswiri a Zitsulo la Jindalai kuti mupeze yankho lodzipereka!)
Nthawi yotumizira: Marichi-06-2025
