1. Nitrogen Paipineline ikuyenera kutsatira zomwe mwapeza
"Chizindikiro cha Intelrine Paipinerine ndi Chivomerezo"
"Kutanthauzira kwa Madambo"
"Malangizo pa kasamalidwe ka chitetezo ndi kuyang'anira mashelices"
"Chizindikiro cha Ecoirling Enginer ndi Chivomerezo"
"Chizindikiro cha kumanga ndi kuvomereza za upangiri woundana ndi zida zamunda ndi ma pipiki ya mafakitale"
2. Mapaipi ndi zofunikira
2.1 Mapaipi onse, zoyenga za chitoliro, ndi mavamu onse ayenera kukhala ndi zikalata za fakitale. Kupanda kutero, onani zinthu zomwe zikusowayi ndi zisonyezo zawo ziyenera kukwaniritsa miyezo yapadziko lonse kapena yothandiza.
2. 2 Mapaipi onse ndi zowonjezera ziyenera kuwunikidwa kwenikweni, monga zolakwika ngati pali zolakwika monga ming'alu, mabowo a slagy ndi chikopa chowoneka bwino komanso choyera; Kwa mavavu, kuyesedwa kwamphamvu ndi kulimba kumayenera kuchitika limodzi ndi imodzi (kusokonekera kwa mayesero ndi kupanikizika kwa mwadzina kapena nthawi yokhala ndi nthawi yopanda mphindi 5); Valavu ya chitetezo iyenera kusankhidwa kuposa katatu malinga ndi malamulo omwe amapanga.
3. Mapaipi owala
3.1 Kuphatikiza pa kukwaniritsa zofunikira za zojambulazo, zomwe zikuwoneka bwino zaukadaulo ziyenera kuchitika molingana ndi malamulo apadziko lonse lapansi.
3.2 Ma welds ayenera kuyang'aniridwa ndi radiogragraphic kapena akupanga molingana ndi kuchuluka kwake komanso kuchuluka kwa mawonekedwe.
3.3 Mapaipi a carbon otayidwa ayenera kuthandizidwa ndi Argon Arc.
4..
Gwiritsani ntchito Sandbulasting ndi kunyamula kuti muchotse dzimbiri ndikuchotsa khoma lamkati la paipi.
5. Kusamala kwa kuyika mapaito
5.1 Pamene mapaipiwa amalumikizidwa, sayenera kufanana mwamphamvu.
5.2 Onani zolumikizira za phokoso lamwambo. Kuyeza doko ku mtunda wa 200mm. Kupatuka kovomerezeka ndi 1mm / m, kutalika kochepa kumakhala kochepera 10mm, ndipo kulumikizana pakati pa ma flanges kuyenera kufanana.
5.3. Gwiritsani ntchito zolumikizira zolumikizidwa kuti mugwiritse ntchito PTF ndikunyamula, ndipo ndizoletsedwa kugwiritsa ntchito mafuta a sesame.
5.4. Chitolirochi ndi chithandizocho chikuyenera kulekanitsidwa ndi pepala lopanda pulasitiki; Chitoliro cha khoma liyenera kuwoneka bwino, ndipo kutalika kwa malaya sikuyenera kukhala kochepera khoma, ndipo kusiyana kukuyenera kudzazidwa ndi zida zosayamika.
5.5. Payipi ya nayitrogeni iyenera kukhala ndi chitetezo chakumanja ndi zida zamagetsi.
5.6. Kuzama kwa mapaipi obisika si ochepera 0.7m (pamwamba pa mapaipi ali pamwamba pa nthaka), ndipo mapaipi oyikidwa amayenera kuthandizidwa ndi anticorossion.
6. Kuyesa kwamapaipinolo ndikutsuka
Pambuyo pa mapaipi atayikidwa, khalani ndi mayeso olimba komanso olimbikira, ndipo malamulowo ndi awa:
| Kukakamiza Kugwira Ntchito | Kuyesedwa kwamphamvu | Kuyesa Kutayikira | ||
| Mmpa | ||||
| Wofalitsa nkhani | Kukakamiza (MPA) | Wofalitsa nkhani | kukakamiza (MPA) | |
| <0.1 | Mpweya | 0,1 | Mpweya kapena n2 | 1 |
| ≤3 | mpweya | 1.15 | Mpweya kapena n2 | 1 |
| madzi | 1.25 | |||
| ≤10 | madzi | 1.25 | Mpweya kapena n2 | 1 |
| 15 | madzi | 1.15 | Mpweya kapena n2 | 1 |
Zindikirani:
①iir ndi nayitrogeni ikhale youma ndi yopanda mafuta;
Madzi oyera aulere aulere, chloride ion yomwe ili m'madzi siyipitilira 2.5g / m3;
Mayeso othamanga a RUAL AYENERA kuchitika pang'onopang'ono pang'onopang'ono. Ikadzuka mpaka 5%, iyenera kufufuzidwa. Ngati palibe choponyera kapena chosasinthika, zovuta ziyenera kuchuluka pang'onopang'ono pa 10%, ndipo mphamvu yamagetsi yazigawo iliyonse sayenera kukhala osakwana mphindi 3. Pambuyo pakufika pakukakamizidwa, ziyenera kusungidwa kwa mphindi 5, ndipo ndizoyenerera pomwe palibe chosokoneza.
Mayeso olimba mtima adzakhala kwa maola 24 mutafika pakukakamizidwa, ndipo pafupifupi maola okwanira kutsika kwa mkati mwanyumba ndi ngalande iyenera kukhala ≤0.5% monga woyenerera.
⑤ Afterter Kuyesa mayeso olimbitsa thupi, gwiritsani ntchito mpweya wowuma wa mafuta kapena nayitrogeni kuti ayeretse, ndi kuchuluka kwa osakwana 20m / s, mpaka kulibe dzimbiri, mpaka kulibe ma slag ndi zinyalala zina pa mapaipi.
7..
7.1. Dzimbiri, kuwotcha slag, kuwotcha ndi zina zodetsa pamtunda ziyenera kuchotsedwa musanapata utoto.
7.2. Sinthani ndi nayitrogeni musanayike kupanga mpaka chiyero chokwanira.
Post Nthawi: Jun-25-2021