310S Petrochemical Cracker Castings

Igoa Oloa: 310S Stainless Steel Petrochemical Ta'e Ogaumu Castings

(Mauga-Vaega Tete'e i le Vevela mo Tulaga Tulaga Au'aunaga)

 

 

Fausia mai le ZG45Cr25Ni20Si2 (310S tutusa) uʻamea e ala i le tuʻuina saʻo, o tatou vaega o le ogaumu taʻe e faʻainisinia mo siosiomaga ogaoga i le ethylene pyrolysis ma le faʻamamaina o talosaga. O faʻailoga nei e tuʻuina atu:

Au'aunaga fa'aauau e o'o atu i le 1150 tikeri i le fa'ama'iina o le ea/carburizing

2-3x umi le ola nai lo HK40 alalaupapa i tulaga vevela uila

Fa'atonuga atoatoa o geometries mo fa'ata'ita'iga fa'ama'i fa'apitoa

 

 

1. Tulaga Taua Fa'atino

Carburization tetee:<0.5mm penetration after 2 years in hydrocarbon streams

Tete'e fa'avevela: Tatalia 50+ ta'amilosaga vave tineia (1100 tikeri →vai)

Malosi o le fetolofi: 18MPa fa'avevesi gau ile 1000 tikeri (10,000h)

 

2. Fofo Fa'ainisinia Fa'apitoa

Lagolago paipa: Fa'alelei mo sina fa'afefe o le vevela

Fa'amau fa'apipi'i: FEA-fa'atulagaina fa'asoa fa'amamafa

Fa'aliliuga vaega: Taui fa'aopoopo fa'apitoa

 

3. Fa'aleleia Mea

Su'ega maualuga -mama: S/P<0.015% for reduced coking

Micro-fa'aoga togi: Nb/Ti suiga o lo'o avanoa

Togafitiga i luga: Aluminizing mo le sulfidation tetee

 

 

Parameter	Tulaga Taua	Metotia Su'ega
Max Gaioiina Temperature	1150 tikeri (fa'aauau)	ASTM E228
Fua Faatatau o le Carburization	<0.2mm/year @950°C	ASTM G79
Maualuluga-Tensile Malosi	85MPa @1000 tikeri	ISO 204
Amioga vevela	14.5 W/m·K @800 tikeri	ASTM E1225

 

 

1. Vaega Fa'amalama o Vaega

Fa'amau fa'amau & ta'iala

Feupuai mu

Papatusi talita

 

2. Vaega o Vaega Fa'asa'o

Lagolago faagaau fa'apa'u

Su'ega so'oga

Vaega o le Sootblower

 

3. Talosaga Faapitoa

Lisi laina tulilima

Fa'aeseese afā

teuteu fa'avaa faitoto'a

 

 

Fa'amaoniga a le -fa'ali:

Su'esu'ega vaila'au (OES)

Su'ega maualuga -vevela

Su'ega fa'ameamea (ASTM E3)

 

Fa'atonuga:

Su'e leisa mo le fa'amaonia o le kosi

Fa'afanua UT mafiafia puipui

 

Tusipasi:

ASME Vaega VIII Div.1

NACE MR0175/MR0103

API 530 tausisia

 

 

Iloiloga o Talosaga

Fa'agasolo su'esu'ega o le kesi

Fa'afanua fa'afanua vevela

Vaega Inisinia

Fuafuaga o le ola fetolofi ile API 530

Fa'ata'ita'iga fa'alauteleina o le vevela

Gaosiga

 

Taimi taʻitaʻia: 10-14 vaiaso mo mamanu faʻapitoa

Fa'atosina fa'avavevave fa'atau (+30% totogi)

 

Fa'atauga afifi

Lipoti o su'ega mea (EN 10204 3.2)

Fa'apipi'i ata fa'atasi ma fa'amaumauga o le tuputupu a'e vevela

Fuafuaga o le tausiga

 

 

Ethylene Crackers: USC/UHP vaega ogaumu

Cokers tuai: Fractionator internals

Hydrogen Plants: Vaega fa'afouina muamua

Toe Fa'aleleia: FCC reactor hardware

 

 

Fa'amaumauga fa'amaonia: 500+ toe fa'aleleia le ogaumu ta'e talu mai le 2010

 

Lagolago fa'apitoa:

Fa'atonuga o fa'amaumauga o mea fa'apitoa

Au'aunaga su'esu'e o lo'o totoe o le olaga

 

Tusipasi a le lalolagi:

PED 2014/68/EU

Ua faamaonia le ABS/CE mo le faaaogaina i fafo

 

Fa'aaliga: Fesili e uiga i la matou Ta'e Ogaumu Fa'aopoopo Polokalama Fa'aopoopo Ola e aofia ai:

I-taiala o asiasiga o auaunaga

Au'aunaga toe faia fa'ameamea i fanua

Atina'e fa'ameamea fa'apitoa mo mea'ai fa'apitoa

 

 

 

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