Ma Valves Opangidwa ndi Ma Globe: Chitsanzo cha Kulamulira Kolimba kwa Kutaya Madzi

Buku Lotsogolera Kwambiri la Ma Valves Opangidwa ndi Ma Globe: Mphamvu, Kulondola, ndi Kudalirika

Mu dziko lofunika kwambiri la kulamulira madzi, komwe kuthamanga, kutentha, ndi kudalirika ndizofunikira kwambiri,Ma Valves Opangidwa ndi Ma GlobeZimaonekera bwino ngati njira yabwino kwambiri yogwiritsira ntchito zinthu zovuta. Mosiyana ndi ma valve ena opangidwa ndi zitsulo, ma valve amenewa amapangidwa mosamala kwambiri kuchokera ku zitsulo zolimba zomwe zimatenthedwa kwambiri (kupangira), zomwe zimapangitsa kuti zikhale zolimba, zolimba, komanso zodalirika. Bukuli limafufuza mozama kwambirimavavu a globe achitsulo chopangidwandimavavu a globe achitsulo chosapanga dzimbiri, kufufuza kapangidwe kake, ntchito, miyezo, zipangizo, ndi zofunikira zake.

Kodi Valavu Yopangidwa ndi Forged Globe ndi Chiyani? 

A Valavu Yopanga Dziko Lonsendi mtundu wa valavu yoyenda molunjika yomwe cholinga chake ndi kutsekereza kayendedwe ka madzi ndikupereka kutseka kwabwino m'mapaipi okhala ndi mphamvu yamagetsi komanso kutentha kwambiri. Khalidwe lodziwika bwino ndi njira yake yopangira: zigawo zazikulu monga thupi la valavu ndi bonnet zimapangidwa kudzera mu forging. Njirayi imagwirizanitsa kayendedwe ka chitsulo, zomwe zimawonjezera mphamvu yake yamakina, kukana kugwedezeka, komanso umphumphu poyerekeza ndi kuponyedwa.Ma valve opangidwa padziko lonse lapansiZimagwirizana ndi kulimba komanso kupewa kutayikira kwa madzi m'mafuta ndi gasi, kupanga magetsi, kukonza mankhwala, ndi kuyeretsa.

Kapangidwe ka Mphamvu: Kapangidwe ka Valavu Yopangidwa ndi Globe 

Kumvetsetsa kapangidwe kolimba ndikofunikira kwambiri kuti tiyamikire magwiridwe antchito awo: 

1.Thupi Lopangidwa:

Chigawo chokhala ndi kupanikizika kwapakati, chopangidwa ndi kupangira kuti chikhale cholimba komanso champhamvu kwambiri. Chili ndi madoko olowera ndi otulutsira mpweya komanso njira yolowera mkati.

2.Bonnet Yopangidwa:

Chivundikiro chopangidwacho chimamangidwa ndi mabowo kapena ulusi wopita ku thupi, zomwe zimathandiza kuti zinthu zamkati zilowemo ndikutseka mphamvu ya dongosolo. Mabonnet gaskets amatsimikizira kuti zinthuzo zimakhala zolimba.

3.Disiki (Pulagi):

Chinthu chosunthika chomwe chimasinthasintha kapena kuletsa kuyenda kwa madzi mwa kukhala mozungulira kapena kukweza kuchokera ku mphete ya mpando yosasuntha. Nthawi zambiri chimakhala chocheperapo kapena chophiphiritsira kuti chizigwedezeka bwino.

4.Mphete ya Mpando:

Mphete yolimba (nthawi zambiri imatha kusinthidwa) yomwe imayikidwa m'thupi lomwe diski imatsekeredwa kuti izimitsidwe.

5.Tsinde:

Shaft yopangidwa mwaluso yomwe imatumiza mphamvu kuchokera ku actuator (gudumu lamanja, giya, ndi zina zotero) kupita ku diski. Yolumikizidwa kudzera mu ulusi (kapangidwe ka tsinde lokwera ndi kofala).

6.Kuyika Yoko ndi Actuator:

Kapangidwe kolumikiza bonnet ndi actuator (chiwongolero chamanja, giya, pneumatic/hydraulic actuator).

7.Kupaka Tizilombo:

Chomangiracho chikukanikiza zinthu zomangira kuzungulira tsinde kuti zisatuluke panjira ya tsinde pamene chikulola kuyenda.

Ntchito Yaikulu: Kuwongolera Kuyenda Moyenera ndi Kuzimitsa 

Ntchito zazikulu zavalavu yopangidwa ndi dziko lonse lapansindi: 

1.Kulamulira Kuthamanga kwa Ma throttle:

Kapangidwe kake kamalola kusintha kwa kayendedwe ka madzi molondola. Kuyenda kwa diski molunjika poyerekeza ndi mpando kumapangitsa kuti ikhale yosinthika bwino, zomwe zimapangitsa kuti ikhale yabwino kwambiri poyendetsa kayendedwe ka madzi.

2.Kutseka Kwabwino:

Chidacho chikatsekedwa bwino, chimakhala molimba motsutsana ndi mphete ya mpando, zomwe zimapangitsa kuti chisindikizocho chikhale cholimba ngati thovu chomwe chingathe kuthana ndi kupsinjika kwakukulu. Izi ndizofunikira kwambiri kuti chikhale chodzipatula komanso chotetezeka.

3.Mayendedwe a Kayendedwe:

Ma valve ozungulira ali ndi njira yodziwikiratu yoyendera (yomwe ikuwonetsedwa ndi muvi pa thupi). Nthawi zambiri kuyenda kwa madzi kumalowa pansi pa mpando ndikutuluka pamwamba pake, kuonetsetsa kuti mpando watsekedwa bwino komanso kuti ukhale wodzaza bwino. Kubwerera m'mbuyo kwa madzi kungayambitse kuwonongeka kapena kutayikira msanga.

Miyezo Yoyang'aniraMa Valves Opangidwa ndi Ma Globe (API 602) 

Ubwino ndi kusinthasintha zimatsimikiziridwa ndi miyezo yokhwima. Chodziwika kwambiri ndi: 

* API 602:

Muyezo uwu wa American Petroleum Institute, wotchedwa "Compact Design Gate, Globe, ndi Check Valves for Refinery Use," ndiye muyezo wofunikira wa **forged steel globe valves**, gate valves, ndi check valves 2 mainchesi (DN 50) ndi ang'onoang'ono. Umaphatikizapo kapangidwe, zipangizo, kuyesa, kuyang'anira, ndi kuyesedwa kwa kutentha kwa **API 602 Forge Globe Valves**. Kutsatira API 602 kumatanthauza kukhulupirika kwakukulu pa ntchito yofunika kwambiri ya hydrocarbon.

* ASME B16.34:

Muyezo uwu umatanthauzira zofunikira pa kupanikizika ndi kutentha, zipangizo, miyeso, kulekerera, kulemba, ndi mayeso a ma valve amitundu yonse, kuphatikizapo akuluakulu.mavavu a globe opangidwaZimakhazikitsa maziko a magulu opanikizika (monga, Kalasi 800).

* Miyezo Ina:

MSS SP-42 (Ma Vavu Osadziteteza Kudzikundikira), MSS SP-80 (Ma Vavu a Bronze Gate, Globe, Angle & Check – ngakhale kuti makamaka ndi bronze), BS 5352 (UK yofanana ndi API 602), ndi miyezo yosiyanasiyana ya ISO ingagwiritsidwenso ntchito kutengera dera ndi momwe imagwiritsidwira ntchito.

Zinthu Zofunika: Kupanga Ma Valves Opangidwa ndi Ma Globe 

Njira yopangira imagwiritsa ntchito zipangizo zapamwamba zoyenera malo ovuta: 

* Chitsulo cha Kaboni (ASTM A105):

Zipangizo zodziwika bwino kwambiri zogwiritsira ntchito potentha kwambiri. Zimapereka mphamvu komanso mtengo wabwino kwambiri.Ma valve a globe achitsulo chopangidwa ndi A105amagwiritsidwa ntchito kwambiri mu nthunzi, mafuta, ndi gasi.

* Chitsulo cha Carbon Chosatentha Kwambiri (ASTM A350 LF2/LF3):

Amagwiritsidwa ntchito poika kutentha kwapansi pa zero kuti apewe kusweka kwa brittle.

* Zitsulo za Alloy (ASTM A182 F11, F22, F91):

Perekani mphamvu yowonjezera komanso kukana dzimbiri pa kutentha kwakukulu (monga magetsi).

*SZitsulo Zopanda Chitsulo (ASTM A182 F304/F304L, F316/F316L, F347):

Chofunika kwambiri pakulimbana ndi dzimbiri pakugwiritsa ntchito mankhwala, petrochemical, m'madzi, komanso pazakudya.Ma valve a globe achitsulo chosapanga dzimbirikupereka kulimba motsutsana ndi mitundu yosiyanasiyana ya zida zankhanza.

* Zitsulo Zosapanga Dzimbiri za Duplex/Super Duplex (ASTM A182 F51, F53, F55):

Kuti ikhale ndi mphamvu zodabwitsa komanso yolimbana ndi dzimbiri m'malo omwe amawononga kwambiri (monga madera akutali, ma chloride).

* Ma alloy a nikeli (Alloy 400, 600, 625, C276):

Kwa ntchito zowononga kwambiri komanso kutentha kwambiri.

Kuthana ndi Kupanikizika: Kuchuluka kwa Kupanikizika ndi Ma Rating a Makalasi 

Ma valve opangidwa padziko lonse lapansiZapangidwa makamaka kuti zigwiritsidwe ntchito ndi mphamvu yamagetsi: 

* Kalasi Yopanikizika:

Makamaka zimagwirizana ndi magulu a ASME B16.34. Magulu ofala ndi 800, 1500, ndi 2500.

* Ulamuliro wa Gulu 800:

Valavu ya globe yachitsulo chopangidwa ndi chitsulo 800Mwina ndiye muyezo wodziwika bwino kwambiri wa ntchito zopanikizika kwambiri m'magawo a 2″ ndi ang'onoang'ono olamulidwa ndi API 602. Izi zikutanthauza kuti zimayenera kukakamizidwa mpaka 1380 psig (95 bar) pa 100°F (38°C), ndipo ziwerengero zimachepa kutentha kukakwera (malinga ndi matebulo a ASME B16.34).

* Makalasi Apamwamba:

Kalasi 1500 (2500 psig @ 100°F) ndi Kalasi 2500 (4500 psig @ 100°F) zimagwiritsidwa ntchito pamavuto aakulu kwambiri. **Ma valve opangidwa ndi globe** ndi abwino kwambiri m'mitundu iyi chifukwa cha mphamvu zawo.

* Chitsanzo:

A Valavu ya globe yopangidwa ndi chitsulo chopangidwa ndi ulusi 1 2 800imatanthauza kukula kwa inchi imodzi ndi theka, kalasi 800 pressure rating, carbon steel (nthawi zambiri A105) valavu yokhala ndi malekezero opindika.

Kuonetsetsa Kuti Zili Zoyenera: Miyeso ya Ma Valves Opangidwa ndi Forged Globe 

Miyeso imayikidwa kuti isinthidwe: 

* Kapangidwe Kakang'ono ka API 602:

Ma valve omangidwa motsatira API 602 ali ndi miyeso yeniyeni yoyang'anana maso ndi maso, afupi kwambiri kuposa miyeso yokhazikika ya ASME B16.10 ya ma valve ofanana. Kapangidwe kameneka "kakang'ono" kamasunga malo ndi kulemera.

* Malumikizano Omaliza:

Zosankha zodziwika bwino zikuphatikizapo:

* Yokhala ndi Ulusi (NPT, BSPT, BSPP) - Yodziwika bwino pa kukula kochepa ngatiValavu ya globe yopangidwa ndi chitsulo chopangidwa ndi ulusi 1 2 800.

* Socket Weld (SW) – Yodziwika bwino chifukwa cha mapaipi ang'onoang'ono opangidwa ndi chitoliro chapamwamba.

* Butt Weld (BW) – Imagwiritsidwa ntchito popanga zinthu zokhazikika komanso zokhazikika. Imafuna malekezero opindika molingana ndi ASME B16.25.

* Yopindika (Siyofala kwambiri pa ma valve ang'onoang'ono opangidwa; miyeso ya ASME B16.5 imagwiritsidwa ntchito).

* Miyeso Yaikulu:

Maso ndi maso (F2F), kumapeto mpaka kumapeto (kwa opindika), pakati ndi nkhope (kwa ma valve a mawonekedwe a ngodya), kukwera kwa tsinde (kwa tsinde lokwera), m'mimba mwake wa gudumu lamanja, ndi bwalo/bolu la maboni opindika. Nthawi zonse tchulani zojambula za wopanga za mitundu inayake.

Kupeza Ubwino: Opanga ndi Ogulitsa Ma Vavu Opangidwa ndi Forged Globe 

Kusankha gwero lodalirika ndikofunikira kwambiri pakugwira ntchito bwino komanso chitetezo

* Wodziwika bwinoOpanga Valavu Yopanga Globe:

Yang'anani opanga odziwika bwino omwe ali ndi:

* Chilolezo cha API 602 Monogram (chofunika kwambiri pa mafuta ndi gasi).

* Satifiketi ya ISO 9001 Quality Management.

* Kufufuza ndi kuyesa zinthu zambiri (monga PMI, NDE, kuyesa kwa hydrostatic).

* Chidziwitso chotsimikizika mumakampani anu.

* WodalirikaValavu Yopangidwa ndi Chitsulo Chozungulira:

Ogawa ndiogulitsa mavavu opangidwa padziko lonse lapansiSankhani ogwirizana omwe:

* Kuchokera kwa odziwika bwino komanso ovomerezekaopanga mavavu opangidwa padziko lonse lapansi.

* Perekani ukadaulo ndi chithandizo cha mapulogalamu.

* Sungani zinthu zonse zofunika pa kukula/zipangizo zofanana (monga,Valavu ya chipolopolo chachitsulo chopangidwa ndi A105, mavavu a globe achitsulo chosapanga dzimbiri).

* Perekani chithandizo chodalirika cha zinthu zogwiritsidwa ntchito komanso chithandizo chogulitsa pambuyo pogulitsa.

* Akhoza kupeza ma valve apadera (monga,valavu ya globe yachitsulo chopangidwa ndi chitsulo chopangidwa ndi kalasi 800mu zinthu zachilendo).

Kutsiliza: Yankho Lofunika Kwambiri Lopangidwa 

Ngati kulephera sikungatheke chifukwa cha kuthamanga kwambiri, kutentha, kapena malo owonongeka,mavavu a globe opangidwaamapereka kudalirika kosayerekezeka komanso moyo wautali. Kapangidwe kawo kapamwamba kwambiri, kutsatira miyezo yokhwima mongaAPI 602, mphamvu yowongolera kayendedwe ka madzi molondola, komanso kupezeka kwa zipangizo zolimba mongaChitsulo cha kaboni cha A105ndichitsulo chosapanga dzimbiriapangeni kukhala maziko a makina ofunikira kwambiri amadzimadzi a mafakitale. Kaya mukufuna muyezoValavu ya globe yopangidwa ndi chitsulo chopangidwa ndi ulusi 1 2 800kapena njira yapadera ya alloy, mogwirizana ndi akatswiri oyenereraopanga mavavu opangidwa padziko lonse lapansindiogulitsa mavavu opangidwa padziko lonse lapansiimakutsimikizirani kuti mukupeza magwiridwe antchito ndi chitetezo chomwe mukufuna pa pulogalamu yanu.