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Faʻagaioiga ma Tausiga Tusi Lesona o Faʻamau Faʻamau Faitotoa Faʻamau Faʻailoga

1. Lautele

O afuala o lenei faʻasologa e faʻaaogaina e tapuni pe tatala ai paipa i le paipa ia mafai ai ona faʻaauau le faʻagaioiga o le polokalama.

2. Faʻamatalaga Oloa

2.1Tekinolosi manaʻoga

2.1.1 Fuafuaina ma gaosia: API600 、 API603, ASME B16.34 、 BS1414

2.1.2 Fesoʻotaʻiga iuga itu: ASME B16.5 、 ASME B16.47 、 ASME B16.25

2.1.3 Faasaga ile mata pe faʻaiʻu ile iʻuga : ASME B16.10

2.1.4 Asiasiga ma suʻega : API 598 、 API600

2.1.5 Laʻititi numera: MPS2 ″ ~ 48 ″ , Faʻailoga numera vasega: Vasega150 ~ 2500

2.2 afuala o lenei faʻasologa o tusi lesona (faʻagaeʻeina i le handwheel poʻo le kia kia) faʻamalama alatoto ma flange pito ma faʻamau uʻamea pito .O le alatoto faʻasolosolo agai i luga. A faʻasolosolo loa le solo lima, e paʻu le faitotoʻa e tapuni le paipa; a faʻasaga faʻatatau le gagilima, e tu aʻe le faitotoʻa e tatala paipa.

2.3 O le fausaga vaʻai Fig.1, 2and3.

2.4 Igoa ma mea taua o vaega taua o loʻo lisiina atu ile Laulau 1.

'Siata 1)

Igoa Vaega

Meafaitino

Tino ma pulou

ASTM A216 WCB 、 ASTM A352 LCB 、 ASTM A217 WC6 、

ASTM A217 WC9 、 ASTM A351 CF3 、 ASTM A351 CF3M

ASTM A351 CF8 、 ASTM A351 CF8M 、 ASTM A351 CN7M

ASTM A494 CW-2M 、 Monel

faitotoʻa

ASTM A216 WCB 、 ASTM A352 LCB 、 ASTM A217 WC6 、

ASTM A217 WC9 、 ASTM A351 CF3 、 ASTM A351 CF3M

ASTM A351 CF8 、 ASTM A351 CF8M 、 ASTM A351 CN7M

ASTM A494 CW-2M 、 Monel

nofoa

ASTM A105 、 ASTM A350 LF2 、 F11 、 F22 、

ASTM A182 F304 (304L) 、 ASTM A182 F316 (316L)

ASTM B462 、 E iai.C-4 、 Monel

au

ASTM A182 F6a 、 ASTM A182 F304 (304L)

TM ASTM A182 F316 (316L) 、 ASTM B462 、 Has.C-4 、 Monel

Teuina

Faʻamau faʻafoliga graphite ma fetuʻunaʻi kalafi 、 PTFE

Stud / nut

ASTM A193 B7 / A194 2H 、 ASTM L320 L7 / A194 4 、

ASTM A193 B16 / A194 4 、 ASTM A193 B8 / A194 8 、

ASTM A193 B8M / A194 8M

Gasket

304 (316) + kalafi 、 304 (316) 、 E iai.C-4 、

Monel 、 B462

Nofoa nofoa / Disk / luga

13Cr 、 18Cr-8Ni 、 18Cr-8Ni-Mo 、 NiCu uʻamea filogia 、 25Cr-20Ni 、 STL

 

3. Teuina, tausiga, Faʻapipiʻiina ma faʻagaioiga

3.1 Teuina ma le tausiga

3.1.1 O afuala e tatau ona teuina i le potu matutu ma faʻalelei lelei. O pito o le auala e tatau ona faapipiina i ufiufi.

3.1.2 O afuala i lalo o le teuina mo se taimi umi e tatau ona suʻesuʻe ma faʻamama e le aunoa, ae maise lava le faʻamamaina o nofoa nofo e puipuia ai le faʻaleagaina, ma o mea maeʻa luga e tatau ona ufiufi i le ele e faʻafefe ai le suauʻu.

3.1.3 Afai o le teuina taimi sili atu 18 masina, e tatau ona tofotofoina afuala ma tatau ona faia faʻamaumauga.

3.1.4 Faʻapipiʻi afuala e tatau ona suʻesuʻe ma lipea masani. O autu autu faʻamaumauga aofia ai mea nei:

1) Faʻamau faʻailoga

2) Valve au ma alatoto faʻavae nati.

3) teuina.

4) Faʻaseʻe i luga o loʻo i totonu ole alatoto tino ma alatoto pulou

3.2 Faʻapipiʻiina

Ae le i faʻapipiʻiina, ia mautinoa vaʻavaʻa vaʻavaʻaia (pei o faʻataʻitaʻiga, DN, 3.2.1PN ma mea) ua makaina e tusa ma manaʻoga o le paipa sisitema.

3.2.2 A o leʻi faʻapipiʻiina, siaki ma le faʻaeteete le alatoto faʻamau ma foliga faʻamaufaʻailogaina. A iai se palapala, ia faʻamama lelei.

3.2.3 Ae e leʻi faʻapipiʻiina, ia mautinoa ia faʻamau faʻamau uma faʻamau.

3.2.4 A o le i faʻapipiʻiina, ia mautinoa o loʻo omia faʻapipiʻi le teuina. Peitaʻi, e le tatau ona faʻalavelave le gaioi o le alatoto.

3.2.5 O le faʻapipiʻiina o le alatoto tatau ona faʻafaigofieina asiasiga ma faʻagaioiga. O le tulaga e sili ona lelei e tatau ona o le paipa e faʻapipiʻi, handwheel o loʻo i luga, ma alatoto faʻavae e tu saʻo.

3.2.6 Mo masani tapuni alatoto, e le talafeagai e faʻapipiʻi i le nofoaga o loʻo galue mamafa e tele tele e aloese ai mai le faʻaleagaina o alatoto pou.

3.2.7 Faʻamau soʻoga afuala tatau ona le itiiti ifo ma le faʻamalieina o manaʻoga nei pe a latou ueloina mo le faʻapipiʻiina o paipa i luga o le 'upega tafaʻilagi:

1) Maopoopo e tatau ona faʻataunuʻuina e le welder o loʻo ia te ia le tusi pasi pasi pasi faʻamaonia e le State Boiler ma Pressure Vessel Pulega; poʻo le welder o ia na mauaina le tusi pasi faʻailoga faʻapitoa ua faʻamaonia mai i le ASME Vol.Ⅸ.

2) E tatau ona filifilia le faʻasologa o metotia faʻapitoa e pei ona faʻamaoti mai i le tusi faʻamautinoa o le lelei o mea faʻapipiʻi.

3) O le vailaʻau vailaʻau, faʻatinoina faʻatinoina ma le pala faʻatamaia o le faʻatumu uʻamea o uelo seam tatau tatau ona o gatasi ma faavae uʻamea.

3.2.8 O le alatoto e masani ona faʻapipiʻiina, mamafa tele faʻalavelave ona o lagolago, mea faʻaaoga ma paipa e tatau ona aloese mai ai.

3.2.9 Ina ua maeʻa faapipiiina, i le taimi o le mamafa faʻataʻitaʻiga o laina paipa, e tatau ona matua tatalaina le alatoto.

3.2.10 Tuuina atu togi: pe a fai o le paipa e lava le malosi e amoina alatoto mamafa ma faʻagaioiga torque, ona leai ai se mea e manaʻomia ai, a leai o le alatoto e tatau ona i ai le tulaga.

3.2.11 Siiina: aua le faʻaogaina handwheel e siʻi aʻe ma siʻi luga alatoto.

3.3 Faagaioiga ma le faʻaaogaina

3.3.1 I le vaitaimi o tautua, e tatau ona matua tatalaina le faitotoʻa o le faitotoʻa pe tapunia atoa e aloese mai le faʻaleagaina o luga o le nofoa mama ma le alatoto faitotoʻa ona o le televave auala. E le mafai ona faʻaaogaina e fetuʻunaʻi ai le gafatia gafatia.

3.3.2 A tatala pe tapuni le alatoto, faʻaaoga handwheel nai lo levera fesoasoani pe faʻaaoga isi mea faigaluega.

3.3.3 Ile taimi e galue ai le vevela, ia mautinoa ia maualalo le mamafa o loʻo i lalo o le 1.1 taimi e faʻatosina ai le vevela ile ASME B16.34.

3.3.4 E tatau ona faʻapipiʻi meafaigaluega mo le saogalemu i luga o paipa e puipuia ai le unaʻi o le alatoto i le vevela o le fale mai le sili atu ile mamafa e faʻatagaina.

3.3.5 Faʻasa ma faʻateʻia le alatoto e faʻasa i le taimi o felauaiga, faʻapipiʻiina ma faʻagaioiga vaitaimi.

3.3.6 Faʻamamaina o le le maluelue suavai, mo se faʻataʻitaʻiga, o le pala o nisi suavai e mafai ona mafua ai le faʻateleina o le leo ma taitai atu ai i le galuea o le mamafa, faʻapea ona faʻaleagaina o le alatoto ma mafua ai permeation, o le mea lea, faʻaaoga talafeagai fua meafaigaluega e aveʻesea pe faʻatapulaʻaina mea e ono mafua ai le pala. o sua.

3.3.7 Afai o le suavai o se condensate, lenei o le a afaina ai vaʻaia gaioiga, faʻaaoga talafeagai fua meafaigaluega e faʻaititia ai le vevela o le suavai (mo se faʻataʻitaʻiga, ina ia mautinoa talafeagai vevela o le suavai) pe suia i isi ituaiga o alatoto.

3.3.8 Mo suavai mu lava ia, faʻaaoga mea talafeagai e fua ai le malosi ma le mamafa o le mamafa e le sili atu nai lo le mea e faʻamumu ai le afi (aemaise le maitau le susulu o le la poʻo le afi mai fafo).

3.3.9 I tulaga o vai matautia, e pei o le pa, pāpā. Toxic, oxidation oloa, e faʻasa ona suia le teuina i lalo o le mamafa (e ui lava o le alatoto e i ai sona aoga).

3.3.10 Ia mautinoa e le palapala le suavai, lea e aʻafia ai le faʻatinoina o le alatoto, e le aofia ai ni faʻamaʻa malo, a le o lea, e tatau ona faʻaaoga meafaigaluega fua talafeagai e aveʻese ai le palapala ma mea malo, poʻo le suia i isi ituaiga alatoto.

3.3.11 Faʻatagaina le faigaluega galulue:

Meafaitino

vevela

Meafaitino

vevela

ASTM A216 WCB

-29 ~ 425 ℃

ASTM A217 WC6

-29 ~ 538 ℃

ASTM A352 LCB

-46 ~ 343 ℃

ASTM A217 WC9

–29 ~ 570 ℃

ASTM A351 CF3 (CF3M)

-196 ~ 454 ℃

ASTM

A494 CW-2M

-29 ~ 450 ℃

ASTM A351 CF8 (CF8M)

-196 ~ 454 ℃

Moneli

-29 ~ 425 ℃

ASTM A351 CN7M

-29 ~ 450 ℃

 

-

3.3.12 Ia mautinoa o mea o alatoto tino e talafeagai mo le faʻaaogaina i le pala ma faʻatamaʻia le elea siʻosiʻomaga suavai.

3.3.13 I le vaitaimi o tautua, suʻesuʻe faʻamaufaʻailogaina faʻatinoga e pei ona i luga o le laulau i lalo:

Manatu asiasiga

Leak

Fesoʻotaʻiga i le va o le tino alatoto ma pulou

O

Faʻamau faʻamau

O

Nofoaga alatoto

E tusa ma faʻapitoa faʻapitoa

3.3.14 Siaki masani mo le ofuina o faʻamaufaʻailoga foliga. Teuina o le soifua matua ma le faʻaleagaina. Faʻalelei pe sui ile taimi peʻa maua se molimau.

3.3.15 Ina ua maeʻa toe faʻaleleia, toe faʻapipiʻi ma fetuʻunaʻi le alatoto, o le suʻega fufusi faʻatinoga ma faia faamaumauga.

3.3.16 Suʻega ma toe faʻaleleia totonu e lua tausaga.

4. Faʻafitauli ono, mafuaʻaga ma fofo faʻaleleia

Faʻamatalaga faʻafitauli

Mafuaaga mafai

Fuafuaina

Leak i le teuina

Lava faʻapipiʻiina teuina

Toe faʻapipiʻi le nutati teuina

Le lava aofaʻi o teuina

Faʻaopopo atili teu

Faʻaleagaina afifiina ona o le umi-taimi tautua pe le talafeagai puipuiga

Sui teuina

Tulu i luga ole alatoto nofoa nofo

Foliga palapala palapala

Aveese palapala

Foliga ua ofuina ofu

Faʻaleleia pe sui le nofoa nofoa poʻo le faitotoʻa alatoto

Ua faʻaletonu foliga nofoa ona o le maʻa malo

Aveʻese maʻa malo i le vai, toe faʻaleleia pe sui le mama o le nofoa poʻo le faitotoʻa o alatoto, pe sui i isi ituaiga alatoto

Tulu i le fesoʻotaʻiga i le va o le tino alatoto ma alatoto pulou

E le faʻamau lelei faʻamau

Faamau faʻamau faʻamau

O luga malepe nofoa luga o alatoto tino ma alatoto flange pulou

Faʻaleleia ia

Gasket leaga poʻo ua leaga

Sui kesi

E le mafai ona tatalaina pe tapunia faigata feʻaveaʻiga o handwheel poʻo le faitotoʻa alatoto

Ua matua mau lava le faʻamau

Faʻalelei talafeagai le teuina o nut

Faʻaleagaina poʻo le punou o faʻamau faʻailoga

Fetuunai kelenile faʻamau

Faʻaleagaina alatoto

Faasaʻo filo ma aveʻese le palapala

Faʻaigoa pe malepe alatoto faʻavae nati filo

Sui alatoto au pou

Punavai alatoto

Sui alatoto alatoto

Eleele luga taiala o alatoto faitotoʻa poʻo le tino alatoto

Aveʻese le palapala i luga o le taʻiala

Faʻaaliga: Auaunaga tagata e tatau ona i ai le poto talafeagai ma poto masani ma afuala.

5. Tusi Faamaonia

A maeʻa ona faʻaoga le alatoto, o le vaitaimi tuʻufaʻatasi o le alatoto e 12 masina, ae le sili atu i le 24 masina talu ona tuʻuina le aso. I le vaitaimi o le tusi saisai, o le kamupanī o le a tuʻuina atu le toe faʻaleleia tautua poʻo ni vaega faʻaaoga e aunoa ma se totogi mo le faʻaletonu e mafua mai i mea, gaosiga poʻo faʻaleagaina pe a fai o le gaioiga e saʻo.

 


Taimi Post: Nov-10-2020