Lofalitsidwa: Seputembala 10, 2026 | Gulu: Buku Loyenera · Malangizo Ogulira Zinthu
Chiyambi
Ku Ulaya konse ndi padziko lonse lapansi, chotenthetsera kutentha, chotengera cha pressure ndi mapaipi opangira petrochemical,EN 10216Ndi muyezo wogwirizana kwambiri wa ku Europe wogwiritsidwa ntchito kwambiri pa mapaipi achitsulo chosasunthika pazifukwa zopanikizika. Pakati pa mitundu yonse,P235GHndiP265GH— magulu awiri akuluakulu osagwiritsa ntchito mphamvu yamagetsi otentha kwambiri — amapereka magwiridwe antchito ofanana koma omveka bwino. Kusankha magiredi olakwika kumakhudza mwachindunji mtengo wa polojekiti ndi chitetezo cha ntchito.
Monga katswiri wodziwa bwino ntchito yokonza mapaipi achitsulo a mafakitale, SANONPIPE imasunga mndandanda wonse wa mapaipi osapindika a EN 10216 omwe amaphimba mitundu yonse yosagwiritsa ntchito aloyi ndi aloyi. Nkhaniyi ikulongosola kusiyana kwakukulu pakati pa P235GH ndi P265GH, ndipo ikufotokoza malo ofunikira ogulira kuti apereke malangizo omveka bwino kwa magulu aukadaulo ndi ogula.
Chidule cha EN 10216 Standard
EN 10216Machubu achitsulo opanda msoko ogwiritsira ntchito mphamvundi muyezo wogwirizana wa ku Ulaya womwe umalongosola zofunikira zaukadaulo zoperekera mapaipi opanikizika opanda msoko pa kutentha kosiyanasiyana. Wapangidwa m'magawo angapo:
- EN 10216-1: Machubu achitsulo osagwiritsidwa ntchito ngati aloyi okhala ndi mawonekedwe ofunikira kutentha kwa chipinda, milingo ya TR1/TR2, kuti agwiritsidwe ntchito popanikizika kwanthawi zonse
- EN 10216-2: Machubu achitsulo osagwiritsa ntchito aloyi ndi aloyi ogwiritsidwa ntchito kutentha kwambiri, kalasi ya GH, a ma boiler, osinthira kutentha ndi ntchito zotentha kwambiri
- EN 10216-3: Machubu achitsulo abwino kwambiri ogwirira ntchito kutentha kochepa
- EN 10216-4: Machubu achitsulo a alloy
Magiredi a GH(kalasi ya kutentha kwambiri) amapangidwa kuti azigwira ntchito yotenthetsera nthawi zonse. Amafunika kusungunuka kwachitsulo ndi kutentha koyenera, ndi mphamvu yotsimikizika ya kutentha kwambiri komanso mphamvu zoyenda, zomwe zimapangitsa kuti akhale chisankho chabwino kwambiri cha machubu a boiler, machubu osinthira ndi zipolopolo za zotengera zopanikizika.
Kuyerekeza kwa Giredi Yapakati: P235GH vs P265GH
Zonse ziwiri za P235GH ndi P265GH ndi magiredi otentha kwambiri osagwiritsidwa ntchito ndi alloy motsatira EN 10216-2. Manambalawa akuwonetsa mphamvu yocheperako ya MPa. Magiredi awiriwa akuwonetsa bwino momwe zinthu zilili, magwiridwe antchito, komanso momwe zimagwiritsidwira ntchito.
1. Kuyerekeza kwa Mankhwala
| Chinthu | Malire a P235GH | Malire a P265GH | Kusiyana Kofunika |
|---|---|---|---|
| Kaboni (C) | ≤0.16% | ≤0.20% | Mpweya wambiri mu P265GH umapereka mphamvu zambiri koma kusinthasintha pang'ono kumachepa |
| Silikoni (Si) | ≤0.35% | ≤0.40% | Zonsezi zimafa kwathunthu; Si yokwera pang'ono mu P265GH imapangitsa kuti kutentha kwambiri kukhale kolimba |
| Manganese (Mn) | ≤1.20% | ≤1.40% | Mn yapamwamba mu P265GH imawonjezera mphamvu kudzera mu kulimbitsa yankho lolimba |
| Phosphorus / Sulfure (P/S) | ≤0.025% / ≤0.010% | ≤0.025% / ≤0.010% | Malire otsala olimba m'magawo onse awiri amatsimikizira kulimba kwa kutentha kwambiri komanso kukana kutentha |
| Zotsalira (Cr+Cu+Mo+Ni) | ≤0.70% | ≤0.70% | Kulamulira kotsalira kogwirizana kuti zinthu zikhale bwino nthawi zonse |
2. Kuyerekeza kwa Katundu wa Makina (Kutentha kwa Chipinda, t ≤ 16 mm)
| Katundu | P235GH | P265GH | Zotsatira pa Kugwiritsa Ntchito |
|---|---|---|---|
| Mphamvu Yochepa Yopereka | 235 MPa | 265 MPa | P265GH imapereka phindu lalikulu kuposa 13%, zomwe zimathandiza kuti pakhale kapangidwe ka khoma lopyapyala pamlingo wofanana |
| Mphamvu Yolimba Yolimba | 360 – 500 MPa | 410 – 570 MPa | P265GH ili ndi gulu lamphamvu losunthidwa mmwamba lomwe lili ndi malire oteteza akuluakulu |
| Kutalikitsa pang'ono | 25% | 23% | P235GH imapereka ductility yabwino yopindika, kukulitsa ndi kupanga machubu ozizira |
| Mphamvu ya Charpy Yochepa pa 0°C | 27 J | 27 J | Kulimba kofanana ndi kutentha kotsika, zonse ziwiri zimakwaniritsa zofunikira pakukula kwa boiler |
| Kutentha Kwambiri kwa Utumiki Wosalekeza | ~400°C | ~425°C | P265GH imasunga mphamvu pa kutentha kwachitsulo kokwera kuposa ~25°C |
3. Zochitika Zogwiritsira Ntchito & Buku Lotsogolera Kusankha
| Kukula | Mumakonda P235GH | Mumakonda P265GH |
|---|---|---|
| Kutentha kwa Ntchito | ≤400°C ma boiler otentha pang'ono mpaka apakati, osinthira mphamvu pang'ono | 400–425°C kutentha kwapakati komanso kwapamwamba, mizere yayikulu ya nthunzi yothamanga pang'ono |
| Mulingo Wopanikizika | Makina opanikizika otsika mpaka apakati, mapaipi othandizira | Mains amphamvu apakati komanso amphamvu, zipolopolo za mitsempha yamphamvu ndi mitu |
| Kupanga | Mapaketi a chubu omwe amafuna kupindika, kukulitsa kapena kuphulika kwambiri | Ma waya olumikizidwa molunjika kwambiri pomwe mphamvu ndiye chinthu chofunikira kwambiri |
| Kuyang'ana Kwambiri pa Mtengo | Mapulojekiti ambiri omwe amaika patsogolo kugwiritsa ntchito bwino ndalama | Mapulojekiti okhala ndi magawo ambiri omwe amaika patsogolo mphamvu ndi chitetezo |
| Ntchito Zachizolowezi | Makoma a madzi a boiler, machubu osungira ndalama, ma bundle osinthira kutentha otsika mphamvu | Magawo a boiler superheater, ma header akuluakulu a nthunzi, mapaipi opangira mafuta opanikizika apakati |
Lamulo losankha mfundo zazikulu: Sankhani P235GH pa kutentha kwa ≤400°C ndi zofunikira pakupanga kwakukulu; sankhani P265GH pa kuthamanga kwambiri, kutentha kwakukulu komanso makamaka kapangidwe ka welded. Kusiyana kwa mtengo ndi pafupifupi 5–8%, ndipo kuyenera kuyesedwa pamodzi ndi kukonza makulidwe a khoma.
Chidule Chachidule cha Magulu Ena Ofanana
Magiredi Osagwiritsa Ntchito Aloyi Otentha Kwambiri
- P195GH: Kulowa ndi kutentha kwapamwamba kwambiri komwe kumakhala ndi mphamvu ya 195 MPa. Kupangika bwino kwambiri, komwe kumagwiritsidwa ntchito popangira machubu othandizira a boiler okhala ndi mphamvu yochepa komanso machubu a utsi; njira yotsika mtengo.
- P355GH: Mphamvu yolimba kwambiri yopanda alloy yokhala ndi mphamvu yotulutsa ya 355 MPa. Pa zotengera zolemera za makoma ndi ma boiler headers akuluakulu; njira ina yosinthidwa m'malo mwa P265GH.
Magiredi Otentha Kwambiri a Alloy
- 16Mo3Chitsulo cha Molybdenum-alloy chokhala ndi mphamvu yabwino kwambiri yolimbana ndi hydrogen attack komanso magwiridwe antchito oyenda. Chimagwiritsidwa ntchito m'magawo opangira ma hydroprocessing mu fakitale yoyeretsera ndi ma boilers amphamvu kwambiri; ntchito yayikulu kwambiri ~500°C.
- 13CrMo4-5: Chitsulo cha chrome-moly cha 1.25Cr-0.5Mo, chofanana ndi ASTM P11. Chofala kwambiri mu hydroprocessing yapakati komanso ntchito ya sulfidic.
- 10CrMo9-10: Chitsulo cha chrome-moly cha 2.25Cr-1Mo, chofanana ndi ASTM P22. Kukana kwamphamvu kwa kukwera; muyezo wamakampani pamizere yayikulu ya nthunzi ya fakitole yamagetsi.
Zinthu Zofunika Kuganizira Zokhudza Kugula Zinthu
1. Tchulani Gawo Loyenera & Kalasi Yabwino Momveka Bwino
Nthawi zonse tchulani zonse mongaEN 10216-2 P235GH, osati dzina la giredi yokha. Ma giredi a GH ayenera kuchotsedwa kwathunthu ndikusinthidwa kukhala abwinobwino (+N). Ma giredi a TR (kutentha kwa chipinda) sayenera kulowedwa m'malo mwa ntchito ya GH.
2. Kukhuthala kwa Khoma & Kulekerera kwa Magawo
EN 10216 Kulekerera kwa khoma kosasinthika ndi+12.5% / -10%Pa mapulojekiti olondola kwambiri, kulekerera kwa T2 (± 10%) kungavomerezedwe. Pa chitoliro chachikulu cha khoma lolemera, tchulani zofunikira zosazungulira kuti mupewe mavuto oti muyike pamalopo.
3. Kuyesa ndi Kuyesa Kosawononga
- Kuyesa kwa hydrostatic ndikofunikira pa muyezo uliwonse, pamlingo wokakamizidwa womwe wafotokozedwa kapena wovomerezedwa.
- Pa ntchito ya boiler ndi zotengera zopanikizika,Kuyesa kwa Ultrasound (UT)Ndikofunikira kuzindikira ming'alu ndi ma lamination amkati.
- Pa machubu otenthetsera kutentha,mayeso a eddy current (ET)imalangizidwa kuti izindikire zolakwika pamwamba ndi pafupi ndi pamwamba.
4. Zolemba Zabwino & Kutsata
Batch iliyonse iyenera kuperekedwa ndiEN 10204 3.1 Ziphaso Zoyeserera za MillKufotokoza kuchuluka kwa kutentha, kapangidwe ka mankhwala, makhalidwe a makina, zolemba zochizira kutentha ndi malipoti owunikira. Pa mapulojekiti a EU kapena mapulogalamu a PED (Pressure Equipment Directive), onetsetsani kuti satifiketiyo ikutsatiridwa komanso kuti ndi yolondola.
5. Tsimikizirani Mkhalidwe Wotumizira
Magiredi a GH amaperekedwa muwabwinobwino (+N)mkhalidwe mwachisawawa. Pazofunikira za khoma lolemera kapena lamphamvu kwambiri, zitha kuvomerezedwa kuti zikhale zokhazikika komanso zofewa (+NT). Tsimikizani kuchuluka kwa kuuma komwe kwalandiridwa kuti muwonetsetse kuti kutentha kwachitika bwino.
6. Tsimikizirani Kugwira Ntchito Pakutentha Kwambiri
Kuti mupeze ntchito yofunika kwambiri yotenthetsera kutentha kwambiri kwa nthawi yayitali, pemphanimphamvu yokolola kutentha kwambiri or deta yokhudza kupsinjika maganizokuchokera ku mphero — osati kokha momwe zimakhalira kutentha kwa chipinda — kuti zitsimikizire mphamvu yonyamula katundu pa kutentha kwa kapangidwe.
Mapeto
P235GH ndi P265GH motsatira EN 10216-2 ndi zinthu zoyenera kwambiri pamakina opanikizika apakati pa kutentha kwapakati: P235GH imalinganiza bwino kapangidwe kake komanso kusungira ndalama ngati njira yogwirira ntchito yosinthira zinthu ndi machubu a boiler; P265GH imapereka mphamvu zambiri komanso kutentha kwamphamvu pamakina akuluakulu ndi mitu yamagetsi opanikizika kwapakati. Kufananiza bwino magiredi ndi kuwongolera bwino khalidwe la makina ndikofunikira kuti makina opanikizika apakati azigwira ntchito bwino kwa nthawi yayitali.
SANONPIPE ili ndi mapaipi onse a EN 10216 osasinthika, kuyambira P195GH / P235GH / P265GH osapangidwa ndi aloyi mpaka ma chrome-moly alloy grades. Ndi zikalata zonse za 3.1 ndi ntchito za NDT zomwe zasinthidwa, timapereka chithandizo chachangu cha mafakitale a boiler, petrochemical ndi zombo zopanikizika.
Kuti mupeze mndandanda wathunthu wa masheya, mitengo kapena chithandizo chosankha magiredi aukadaulo, funsani gulu lathu logulitsa.
Nthawi yotumizira: Sep-10-2026
