Kuonetsetsa Kuti Mapaipi Akuluakulu Amadzi Akugwira Ntchito Bwino Ndi Kulimba
Yambitsani:
Mapaipi akuluakulu amadzi ndi ngwazi zosayamikirika zomwe zimapereka madzi ofunikira kumadera athu. Maukonde apansi panthaka awa amachita gawo lofunikira pakuwonetsetsa kuti madzi akuyenda bwino m'nyumba zathu, mabizinesi ndi mafakitale. Pamene kufunikira kukupitilira kukula, ndikofunikira kugwiritsa ntchito zipangizo zogwira mtima komanso zolimba pa mapaipi awa. Chinthu chimodzi chomwe chikukopa chidwi kwambiri ndi mapaipi olumikizidwa ndi spiral welded. Mu blog iyi, tifufuza kufunika kwa mapaipi olumikizidwa ndi spiral welded m'mapaipi akuluakulu operekera madzi ndikukambirana za ubwino wawo.
Dziwani zambiri za mapaipi olumikizidwa mozungulira:
Tisanafufuze ubwino wamapaipi ozungulira olumikizidwaChoyamba tiyeni timvetse lingaliro la mapaipi olumikizidwa mozungulira. Mosiyana ndi mapaipi olumikizidwa molunjika, mapaipi olumikizidwa mozungulira amapangidwa ndi kuzunguliza ndi kuwotcherera zitsulo mu mawonekedwe ozungulira. Njira yapadera yopangira iyi imapatsa chitoliro mphamvu yeniyeni, zomwe zimapangitsa kuti chitolirocho chikhale choyenera kugwiritsidwa ntchito pansi pa nthaka monga mapaipi amadzi.
Katundu wa Makina
| kalasi yachitsulo | mphamvu yocheperako yopezera phindu | Kulimba kwamakokedwe | Kutalikirana kochepa | Mphamvu yochepa kwambiri | ||||
| Kunenepa kotchulidwa | Kunenepa kotchulidwa | Kunenepa kotchulidwa | kutentha koyesedwa kwa | |||||
| 16 | >16≤40 | <3 | ≥3≤40 | ≤40 | -20℃ | 0℃ | 20℃ | |
| S235JRH | 235 | 225 | 360-510 | 360-510 | 24 | - | - | 27 |
| S275J0H | 275 | 265 | 430-580 | 410-560 | 20 | - | 27 | - |
| S275J2H | 27 | - | - | |||||
| S355J0H | 365 | 345 | 510-680 | 470-630 | 20 | - | 27 | - |
| S355J2H | 27 | - | - | |||||
| S355K2H | 40 | - | - | |||||
Ubwino wa mapaipi ozungulira olumikizidwa m'mapaipi akuluakulu operekera madzi:
1. Kuwonjezeka kwa mphamvu ndi kulimba:
Ukadaulo wothira madzi mozungulira womwe umagwiritsidwa ntchito m'mapaipi awa umapanga kapangidwe kopitilira, kopanda msoko, kolimba kwambiri komanso kolimba ku mphamvu zamkati ndi zakunja. Kuphatikiza apo, mipiringidzo yozungulira yolimba imawonjezera umphumphu wonse wa chitoliro, kuchepetsa chiopsezo cha kutuluka kapena kuphulika. Kulimba kumeneku kumatsimikizira moyo wautali wa ntchito ya mapaipi anu amadzi, kuchepetsa ndalama zosamalira ndi kusintha.
2. Kukana dzimbiri:
Mizere ikuluikulu ya madzi imakhudzidwa ndi zinthu zosiyanasiyana zachilengedwe, kuphatikizapo chinyezi, mankhwala ndi nthaka. Mapaipi olumikizidwa mozungulira nthawi zambiri amapangidwa pogwiritsa ntchito zinthu zosapanga dzimbiri monga chitsulo chosapanga dzimbiri, zomwe zimateteza bwino dzimbiri, kukokoloka kwa nthaka, ndi mitundu ina ya dzimbiri. Kukana kumeneku kumawonjezera moyo wa mapaipi, kumaletsa kuwonongeka komanso kumasunga madzi abwino.
3. Kugwiritsa ntchito bwino ndalama:
Kuyika ndalama mu mapaipi ozungulira olumikizidwa kuti agwiritsidwe ntchitochitoliro chachikulu cha madzisZitha kukhala njira yotsika mtengo pakapita nthawi. Kapangidwe kake kolimba komanso kukana dzimbiri kumachepetsa nthawi zambiri zokonzanso ndi kusintha, motero zimasunga ndalama zambiri zokonzera. Kuphatikiza apo, ndizosavuta kuyika, zopepuka, komanso zimachepetsa kufunikira kwa zothandizira zina, zomwe zimapangitsa kuti zikhale njira yosavuta komanso yotsika mtengo pamapulojekiti akuluakulu a mapaipi.
4. Kusinthasintha ndi Kusinthasintha:
Chitoliro cholumikizidwa ndi spiral chimapereka kusinthasintha kwakukulu komanso kusinthasintha kwa ntchito zake. Chimatha kupangidwa m'madigiri osiyanasiyana, kutalika ndi makulidwe, zomwe zimapangitsa kuti chikhale chosinthika kuti chikwaniritse zofunikira zinazake za polojekiti. Kusinthasintha kumeneku kumawalola kuti azisinthasintha malinga ndi malo osiyanasiyana komanso mikhalidwe yosiyanasiyana ya nthaka, zomwe zimapangitsa kuti akhale chisankho chabwino kwambiri cha mapaipi akuluakulu operekera madzi m'mizinda ndi m'midzi.
5. Kusunga chilengedwe moyenera:
Kuwonjezera pa ubwino wawo wogwira ntchito, mapaipi olumikizidwa ndi spiral nawonso amathandiza kwambiri pa kukhazikika kwa chilengedwe. Zipangizo zomwe zimagwiritsidwa ntchito popanga zimatha kubwezeretsedwanso, zomwe zimachepetsa mpweya woipa womwe umalowa m'thupi. Kuphatikiza apo, kapangidwe kake kosalala kamachepetsa kutayika kwa madzi chifukwa cha kutuluka kwa madzi, motero kumateteza chuma chamtengo wapatalichi.
Kapangidwe ka Mankhwala
| Kalasi yachitsulo | Mtundu wa de-oxidation a | % ndi kulemera, kuchuluka kwakukulu | ||||||
| Dzina lachitsulo | Nambala yachitsulo | C | C | Si | Mn | P | S | Nb |
| S235JRH | 1.0039 | FF | 0,17 | — | 1,40 | 0,040 | 0,040 | 0.009 |
| S275J0H | 1.0149 | FF | 0,20 | — | 1,50 | 0,035 | 0,035 | 0,009 |
| S275J2H | 1.0138 | FF | 0,20 | — | 1,50 | 0,030 | 0,030 | — |
| S355J0H | 1.0547 | FF | 0,22 | 0,55 | 1,60 | 0,035 | 0,035 | 0,009 |
| S355J2H | 1.0576 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | — |
| S355K2H | 1.0512 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | — |
| a. Njira yochotsera poizoni m'thupi imatchulidwa motere: FF: Chitsulo chophwanyika bwino chokhala ndi zinthu zomangira nayitrogeni mu kuchuluka kokwanira kumangirira nayitrogeni yomwe ilipo (monga osachepera 0,020% ya Al yonse kapena 0,015% ya Al yosungunuka). b. Mtengo wapamwamba kwambiri wa nayitrogeni sugwira ntchito ngati mankhwala akuwonetsa kuchuluka kwa Al komwe kuli 0,020% ndi chiŵerengero chochepa cha Al/N cha 2:1, kapena ngati pali zinthu zina zokwanira zomangira N. Zinthu zomangira N ziyenera kulembedwa mu Chikalata Chowunikira. | ||||||||
Pomaliza:
Kuonetsetsa kuti mapaipi anu akuluakulu amadzi akugwira ntchito bwino komanso kulimba ndikofunikira kwambiri kuti madzi azikhala odalirika. Kugwiritsa ntchito mapaipi ozungulira olumikizidwa m'malo awachitoliro mizereimapereka zabwino zambiri, kuphatikizapo mphamvu yowonjezera, kukana dzimbiri, kugwiritsa ntchito ndalama zochepa, kusinthasintha komanso kukhazikika kwa chilengedwe. Pamene tikugwira ntchito yomanga zomangamanga zamadzi zolimba komanso zogwira mtima, kuyika ndalama muukadaulo wapamwamba monga mapaipi olumikizidwa ndi spiral ndikofunikira.







