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Dahaarka AWWA C213 FBE ee Dhuumaha Biyaha Birta ee LSAW

Sharaxaad Gaaban:

Heerka fulinta: AWW AC213.
Nooca ilaalinta daxalka: FBE (Fusion Bonded Epoxy).

Baaxadda Codsiga: Nidaamyada tuubbooyinka biyaha ee dhulka hoostiisa ama birta hoostooda.
Dhumucda dahaarka: Ugu yaraan 305 mm [12 mil].
Midabka Dahaarka: Cadaan, buluug, cawl ama la habeeyay haddii la codsado.
Dhererka aan la daboolin ee dhamaadka tuubada: 50-150mm, waxay kuxirantahay dhexroorka tuubada ama baahida mashruuca.
Noocyada dhuumaha birta ee lagu dabaqi karo: LASW, SSAW, ERW iyo SMLS.

Faahfaahinta Alaabta

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Dahaarka AWWA C213 FBE ee Dhuumaha Biyaha Birta

AWWA C213 birta biyaha tuubooyinkawaa daahan FBE ah oo lagu dabaqay gudaha iyo bannaanka dusha sare ee dhuumaha birta si loogu isticmaalo nidaamka dhuumaha birta ee dhulka hoostiisa ama biyaha hoostooda.

Dahaarkani wuxuu bixiyaa ka hortagga daxalka wuxuuna hubinayaa in lagu kalsoonaan karo habka dhuumaha dhuumaha muddo dheer gudaha dhulka hoostiisa ama degaannada hoostiisa.

Noocyada Dhuumaha Biraha ee lagu dabaqi karo

LSAW, SSAW, ERW,SMLSiwm.iyadoo ku xiran baahida gaarka ah ee mashruuca.

Baaxadda cabbirka

Dhexroorka tuubada dibadda ≥ 660mm [24in]

Dhexroorrada tuubooyinka birta <660mm [24in] ayaa sidoo kale ku habboonaan kara, waase haddii ay jirto hab ku habboon oo lagu hubinayo daacadnimada dahaarka gudaha.

Waa maxay FBE?

Fusion Bonded Epoxy (FBE)waa hal qaybood oo ka kooban heerkulbeeg budo ah oo heerkulbeeg ah, resin epoxy, marka kulaylku shaqeeyo, ku abuura fal-celin kiimikaad dusha tuubada birta iyadoo la ilaalinayo hantideeda.

Budada epoxy-ku waa inay ka kooban tahay walxo isku xidhan oo ka kooban resin epoxy, wakiilka daawaynaya, kicinta, buuxinta, midabaynta, wakiilka xakamaynta socodka, iyo xakamaynta UV.

AWWA C213 Qalabka jireed ee alaabta budada epoxy

Alaabta waa in ay u hoggaansamaan shuruudahaXeerka Badbaadada ah ee Biyaha la cabbo.

Marka u hoggaansanaanta NSF loo baahdo, agabka la xiriira biyaha la cabbi karo waa in la cadeyaa NSF/ANSI/CAN Heerka 61.

Heerkulka shaqada ee ugu badan

Guud ahaan, heerkulka codsiga ugu badan ee dahaarka waa qiyaastii65°C (150°F).Waxaa intaa dheer, nolosha adeegga ee daboolka ayaa la dhimay iyadoo la ilaalinayo heerkulka sare ee wakhti dheer.

Habka wax-soo-saarka

Marka lagu dabaqo walxaha horay loo sii kululeeyay ee lagu buufiyo korantada, sariirta dareeraha leh ama hawada lagu buufiyo ka dibna la daaweyo, budada epoxy-ga waxay soo saartaa daahan difaac isku mid ah.

Hawlgallada gaarka ah waa sida soo socota:

Baaritaanka Dhuumaha iyo daawaynta ka hor

Dusha sare waa inay ka madax banaanaato cillado saameeya badeecada ugu danbeysa, sida burs, gouges, iyo spatters alxanka, kaas oo laga saari karo ciid.

oogada sare waa inay xor ka ahaadaan dhoobada, rinjiga shiidka, dhuka, daamurka dhuxusha, daamurka, saliida, dufanka, chlorides, iyo shay kasta oo kale oo ajnabi ah ama wasakh guban kara oo ku shidi karta heerkulka codsiga epoxy-ga.Ka saar meelaha muuqda ee saliidda iyo dufanka adiga oo ku tirtiraya dareere aan waxba ka hadhin.

Diyaarinta Dusha sare

Isticmaal ciid qallalan si aad uga nadiifiso miridhku dusha ka tuubooyinka birta ah.

Shuruudaha Deegaanka Qaraxu: Marka heerkulka tuubada birta uu ka sarreeyo 3°C (5℉) heer kulka barta sayaxa.

Nadaafadda Dusha sare: Dusha tuubbada birta la jarjaray waa inay waafaqsan tahay SSPC-SP10/NACE No. 2.

Qalafsanaanta Dusha: Qoto dheer oo hadhuudh ah oo u dhexeeya 51-102 μm (2.0-4.0 mil) oo lagu cabbiray si waafaqsan ASTM D4417.Tan waxaa lagu cabbiri karaa qaabka korka ee barroosinka ama mitirka qaabka barroosinka.

Qalafsanaanta dusha sare ee aad u qoto dheer ama aadka u gacmeed waxay saameyn doontaa waxqabadka daahan FBE ee ugu dambeeya.

Fiiro gaar ah: Fadlan ogow inta u dhaxaysa dhamaystirka descaling iyo habka daahan si looga fogaado miridhku.

Nadiifinta hawada

Hawo ciriiri ah oo aan wasakhda lahayn waa in loo isticmaalaa in lagu afuufo boodhka, dhogorta, ama walaxda kale ee ajnabiga ah ee ka timaadda substrate-ka la diyaariyey ee tuubada si aan u saameynayn dusha la nadiifiyey, tuubooyinka kale ee la nadiifiyey, ama tuubada la dahaadhay ama la safeeyey.

Kuleylinta Dhuumaha

Kuleylka tuubooyinka birta iyadoo la isticmaalayo il kulaylka ah waa inaysan wasakheynin dusha tuubada, laakiin waa inaysan dhaafin 274°C (525°F).

Heerkulka sare ayaa laga yaabaa inuu beddelo sifooyinka jireed iyo astaamaha adag ee birta.

Heerkulka dusha tuubada birta waxaa lagu qiyaasi karaa iyadoo la isticmaalayo qalin heerkulbeeg ah ama heerkulbeeg la jaanqaadaya.

Haddii midab buluug ahi uu dhaco, tuubada waa in la qaboojiyaa ilaa heerkul deegaan oo dib loo qarxiyo.

Habka dahaarka

Budada FBE si isku mid ah ayaa loo mariyaa dusha tuubada birta ee kulul iyadoo la dhalaalinayo sariirta, buufinta korantada, ama buufinta hawada.

Godadka, goglan, ama sagxadaha xididka waa in aan la dahaadhay FBE

Marka la isticmaalo isgoysyada gaasta caagga ah ama isku-xireyaasha makaanikada ah, epoxy-ku waa inuu ku fidaa darafyada tuubada ilaa si kale uu u cayimo iibsaduhu.

Qaboojin

Qaboojinta waxaa lagu samayn karaa hawo ama biyo.

AWWA C213 PQT (Shuruudaha u-qalmitaanka ee nidaamka epoxy)

PQTIibso AWWA C213 Dhuumaha Birta Gudbinta Biyaha ee tiro tijaabo yar ka hor inta aanad iibsan tiro badan.U-qalmitaanka ama tijaabinta ayaa la sameeyaa si loo hubiyo in badeecada ama nidaamku buuxiyo shuruudaha tayada gaarka ah iyo waxqabadka.
Tan waxaa ku jira baaritaanka shaybaarka, qiimeynta waxqabadka, iyo habab kale.

AWWA C213 Shuruudaha u-qalmitaanka ee nidaamka epoxy

Kormeerka Alaabta Dhammaatay

Muuqashada

Epoxy-gu waa inuu guud ahaan ahaadaa mid siman.

Epoxy-gu waa in aanu yeelan finan, dildilaacyo, goobooyin, delamination, ama cillado kale oo muuqda.

Cilladaha isqurxinta, sida sagxadaha, dimpling, canqowga, daahyada, buufinta, iyo/ama diirka orange-ka, looma tixgelin doono sabab diidmo ama dayactir.

Kormeerka korantada ee sii wadida (imtixaanka fasaxa korantada yar)

Joogitaanka dahaarka waa in la hubiyaa si waafaqsan NACE SPO490.

DahaarkaDhumucdiisuna tahay 20 mils (508 um) ama ka yar, baadhaha fasax-yar ee korantada yar ee lagu dejiyay ugu badnaan 75 V waa in loo adeegsadaa si waafaqsan NACE SPO188.

Haddii tirada ciidaha ay ka badan yihiin lambarka ka hooseeya dahaarka ayaa u baahan doona in la saaro oo dib loo habeeyo.

Dhexroor ka baxsan (OD) <14in (360 mm), 1 fasax/mitir (3 ft).

Dhexroor ka baxsan (OD) ≥ 14in (360 mm), 1 fasax/25 ft² (2.3 mm²).

Qaado fasaxyada la baaray, hagaaji, oo dib u tijaabi.

Adhesion

Ku dhajinta epoxy-ka la daweeyay ee dusha sare ee tuubada waxaa lagu gaari karaa adigoo riixaya daab fiiqan iyada oo loo marayo epoxy dusha sare ee tuubada oo la isticmaalo dhaqdhaqaaq xaaq ah oo isku day ah in laga saaro epoxy-ka dusha sare ee tuubada.

Epoxy-ku waa in si buuxda loogu dhega nugladaa tuubada si adag uga hortagtaa fal-beerista oo ka xorow burburka jajaban oo la kulantoadhesion rating ee 1-3.

AWWA C213 FBE Dahaarka loogu talagalay LSAW Birta Biyaha Dhuumaha

Dhumucda

Dhumucda filimka daahan ee la daweeyay waa in aanu ka yarayn 305um (12mil), oo ay ku jiraan tolidda alxanka.

Nooca hore ee AWWA C213, waxaa jiray xadka ugu badnaan 406 um (16 mils) dhumucda dahaarka, kaas oo laga saaray nuqulkii ugu dambeeyay sababtoo ah dhibka lagu gaarayo shuruudahan inta lagu jiro habka jiilka dhabta ah.

Tijaabooyin Dheeraad ah

Tijaabooyin dheeri ah ayaa la cayimi karaa si loo go'aamiyo waxqabadka epoxy-ga.

1. Xuubka isdhaafka ah.

2. Interface porosity.

3. Falanqaynta kulaylka (DSC).

4. Cadaadis joogto ah (laacsan).

5. Biyo qooq.

6. Saamaynta.

7. Tijaabada kala dirida Cathodic.

Calaamadayn

Waa in si cad loogu calaamadeeyaa magaca soo saaraha, nooca shay, dufcaddii ama lambarka baska, taariikhda la soo saaray, iyo xaaladaha kaydinta.

Codsiyada

Inta badan ee tubooyinka biyaha

Dahaarka dibadda ayaa sida caadiga ah loo isticmaalaa si looga ilaaliyo tuubooyinka daxalka deegaanka, halka dahaarka gudaha waxaa loo isticmaalaa si looga hortago wasakheynta biyaha, la yareeyo iska caabinta khilaafsan, iyo kordhin nolosha tuubooyinka.Dahaarkani waxay caawiyaan hubinta isku halaynta iyo adkaysiga nidaamyada tuubooyinka, u hoggaansamaan heerarka nadaafadda, waxayna yareeyaan baahida dayactirka.

Heerarka La Xiriira

ANSI/AWWA C203Dahaarka Ilaalinta Dhuxusha-Taarka iyo Dahaarka Dhuumaha Biyaha Birta.

ANSI/AWWA C209Dahaarka Cajalada ee Dhuumaha Biyaha Birta iyo Qalabyada.

ANSI/AWWA C210Dahaarka Dareeraha-Epoxy iyo Dahaarka ee Dhuumaha Biyaha Birta iyo Qalabyada.

Faa'iidooyinkayaga

Botop Steel waa alxan tayo sare lehDhuumaha Birta Kaarboonsoo saaraha iyo alaab-qeybiyaha ka socda Shiinaha, sidoo kale kaydiyaha dhuunta birta ah ee aan xidhnayn.

Botop Steel waxay leedahay go'aan adag oo xagga tayada ah waxayna fulisaa kontaroolada adag iyo tijaabintahubi isku halaynta alaabta.Kooxdeeda khibradda leh waxay bixisaa xalal shakhsiyeed iyo taageero khabiir, iyada oo diiradda saareysa qanacsanaanta macaamilka.Waxaan rajeyneynaa inaan kula shaqeyno.


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