3LPE Steel Pipe Anti-Corrosion Txheej thiab Nws Ua Haujlwm Li Cas

Cov kav hlau siv rau hauv av, submerged, thiab lwm yam kev xav tau ib puag ncig yog raug rau cov dej noo, av, tshuaj lom neeg, ntsev, kev cuam tshuam rau txhua yam, thiab lwm yam uas tuaj yeem ua kom corrosion. Yog tias tsis tsim nyog kev tiv thaiv sab nraud, corrosion tuaj yeem maj mam txo cov phab ntsa tuab ntawm cov yeeb nkab thiab nws thiaj li cuam tshuam rau nws cov qauv kev ncaj ncees thiab kev pabcuam lub neej.

3LPE Steel Yeeb Nkab Los tiv thaiv -Cov khoom siv corrosionmuab ntau- txheej txheej tiv thaiv sab nraud tsim los daws cov teeb meem no. 3LPE txhais tau tiasPeb- Txheej Polyethylene, thiab txheej txheej txheej ua ke ua ke peb yam khoom sib txawv: Fusion Bonded Epoxy (FBE), txheej nplaum, thiab txheej txheej polyethylene. Txhua txheej ua haujlwm sib txawv, thaum peb txheej ua haujlwm ua ke ua ib qho kev tiv thaiv. TS EN ISO 21809-1 qhia txog cov kev cai rau cov nroj tsuag- siv peb- txheej polyethylene thiab polypropylene txheej rau faus lossis submerged welded thiab seamless steel kav siv hauv cov roj av thiab cov pa roj av.

3LPE Txheej yog dab tsi?

3LPE yog peb - txheej txheej txheej txheej sab nraud siv rau saum npoo ntawm cov kav hlau. Thawj txheej yog Fusion Bonded Epoxy, qhov thib ob yog cov nplaum polymeric, thiab peb yog polyethylene.

Lub hauv paus qauv yog:

Cov yeeb nkab steel → FBE → Adhesive → PE

Kev sib xyaw ua ke yog qhov tseem ceeb vim tias tsis muaj ib txheej yuav tsum tau muab txhua yam kev tiv thaiv. FBE muab cov adhesion muaj zog thiab corrosion kuj, cov nplaum tsim ib qho kev ruaj ntseg ntawm FBE thiab PE, thiab PE txheej txheej muab kev tiv thaiv txhua yam thiab kev tiv thaiv ya raws.

Vim li cas 3LPE tseem ceeb rau cov kav hlau?

Cov kav hlau ntsia hauv av lossis hauv qab dej tsis tuaj yeem tshawb xyuas thiab kho tau yooj yim thaum lawv ua haujlwm. Av noo noo, dej hauv av, yaj ntsev, thiab lwm yam kev mob ib puag ncig tuaj yeem tawm tsam cov hlau tsis tu ncua.

Tsim kom raug3 LPE txheej rau Steel Pipes tsim ib qho kev thaiv lub cev ntawm cov hlau thiab nws ib puag ncig ib puag ncig. Lub kaw lus tseem muab kev tiv thaiv txhua yam tiv thaiv kev puas tsuaj uas yuav tshwm sim thaum thauj, tuav, teeb tsa, rov qab ua haujlwm, thiab ua haujlwm.

Qhov kev sib xyaw ua ke ntawm kev tiv thaiv corrosion thiab kev ua haujlwm tsis zoo ua rau 3LPE tshwj xeeb tshaj yog siv rau kev thov cov raj xa dej.

Thawj Txheej: Fusion Bonded Epoxy

Thawj txheej yog Fusion Bonded Epoxy, feem ntau hu ua FBE. Nws yog siv ncaj qha mus rau qhov npaj steel nto thiab ua haujlwm ua tus thawj corrosion- txheej tiv thaiv.

FBE yog ib qho tseem ceeb vim nws muab cov adhesion muaj zog rau cov hlau thiab tsim cov txheej tiv thaiv txuas ntxiv. Nws kuj tseem txhawb kev tiv thaiv cathodic disbondment thaum lub txheej txheej txheej txheem tsim thiab siv tau zoo.

Qhov zoo ntawm steel nto ua ntej daim ntawv thov FBE yog qhov tseem ceeb heev. Kev npaj deg, huv si, cua sov tej yam kev mob, daim ntawv thov hmoov, thiab kho txhua yam cuam tshuam rau qhov kawg kev ua tau zoo ntawm txheej.

Ob Txheej: Adhesive

Cov txheej thib ob yog cov nplaum polymeric, feem ntau ua raws li kev ua haujlwm ntawm polyolefin. Nws lub hom phiaj tseem ceeb yog tsim kom muaj kev sib txuas ntawm FBE primer thiab polyethylene txheej txheej.

FBE thiab polyethylene muaj cov yam ntxwv ntawm lub cev thiab tshuaj lom neeg sib txawv, yog li tsuas yog tso PE ncaj qha rau ntawm epoxy yuav tsis muab tib qhov kev sib tshuam - txheej txheej kev ua haujlwm. Cov nplaum ua raws li tus choj ntawm ob cov ntaub ntawv.

Ib txheej nplaum txuas ntxiv thiab siv tau zoo pab ua kom muaj kev ncaj ncees ntawm kev ua tiav peb - txheej txheej.

Thib peb: Polyethylene

Cov txheej txheej sab nrauv yog polyethylene, uas muab ntau yam kev tiv thaiv txhua yam ntawm txheej txheej txheej. Nws pab tiv thaiv cov khaubncaws sab nraud povtseg los ntawm kev cuam tshuam, puas ntsoog, ya raws, thiab sab nrauv raug.

Thaum lub sij hawm kev thauj mus los ntawm cov yeeb nkab thiab kev teeb tsa, cov txheej txheem yuav ntsib cov khoom nqa nqa, kev sib cuag nrog lwm cov kav dej, av, pob zeb, thiab tuav cov kev ntxhov siab. PE txheej muab cov txheej txheem nyuaj sab nraud uas pab tiv thaiv corrosion ntau dua - cov txheej txheej sab hauv.

Qhov no yog ib qho laj thawjPeb- Txheej Polyethylene Txheejyog tshwj xeeb yog pab tau rau faus pipelines.

Peb txheej ua hauj lwm ua ke li cas

Qhov zoo tshaj plaws ntawm 3LPE yog los ntawm kev sib xyaw ntawm peb txheej es tsis yog los ntawm ib tus neeg siv khoom.

FBE yog lub luag haujlwm feem ntau rau kev sib txuas rau cov hlau thiab muab kev tiv thaiv corrosion. Cov nplaum muab kev sib txuas ntawm epoxy thiab polyethylene. PE txheej muab kev tiv thaiv txhua yam thiab tiv thaiv kom ya raws thiab ib puag ncig raug.

Qhov txheej txheem txheej txheej no tsim kom muaj kev tiv thaiv zoo dua li kev cia siab rau ib qho khoom siv txheej txheej.

Qhov tseem ceeb ntawm Steel Deg Kev Npaj

Ua ntej thov cov3 LPE system, steel nto yuav tsum tau npaj kom zoo. Kev npaj nto yog ib theem tseem ceeb tshaj plaws vim tias cov kab mob, xeb, roj, noo noo, zeb nplai, lossis lwm yam teeb meem saum npoo tuaj yeem txo cov txheej adhesion.

Cov yeeb nkab saum npoo yog ib txwm ntxuav thiab abrasive blasted raws li cov txheej txheem siv txheej txheem. Tom qab kev npaj, qhov saum npoo yuav tsum tau kuaj xyuas ua ntej txheej txheej pib.

Kev npaj deg tsis zoo tuaj yeem ua rau muaj kev ua tau zoo ntawm cov khoom zoo tshaj - txheej txheej. Yog li ntawd, txheej zoo pib nrog cov xwm txheej ntawm cov hlau liab qab.

Qhov tseem ceeb ntawm cov yeeb nkab cua sov

Daim ntawv thov txheej txheem yuav tsum tau tswj qhov kub thiab txias rau cov khoom sib txawv. Tshwj xeeb, cov yeeb nkab steel yuav tsum ncav cuag qhov ntsuas kub kom haum rau FBE daim ntawv thov.

Kev tswj qhov kub thiab txias cuam tshuam rau melting, curing, bonding, thiab kawg khoom ntawm txheej. Cov cua kub ntau dhau los yog tsis txaus tuaj yeem ua rau cov txheej txheem tsis zoo lossis adhesion tsis zoo.

Vim li no, kev ntsuas kub yuav tsum tau muab tso rau hauv cov kab ntau lawm thiab khaws cia nyob rau hauv cov kev cai tsim los ntawm cov txheej txheem siv txheej txheem thiab cov khoom tsim khoom.

Daim ntawv thov txheej txheem ntawm 3LPE cov ntaub ntawv

Cov txheej txheem txheej txheej dav dav tuaj yeem raug suav hais tias yog:

Kev Npaj Nto → Cua sov → FBE Daim Ntawv Thov → Adhesive Application → PE Application → Txias → Tshuaj ntsuam xyuas

Cov txheej txheem tsis muaj tseeb nyob ntawm qhov txheej txheem txheej, cov yeeb nkab qhov ntev, cov khoom siv tshwj xeeb, thiab cov qauv siv tau.

Thaum lub sij hawm tas mus li ntau lawm, cov txheej txheej yuav tsum muaj qhov kub thiab txias, cov khoom noj khoom haus, extrusion tej yam kev mob, thiab kab ceev kom ua tiav cov txheej txheem txheej.

PE Daim Ntawv Thov thiab Extrusion

Polyethylene txheej txheej feem ntau yog siv los ntawm txheej txheem extrusion. Lub PE molten yog coj mus rau hauv kev sib cuag nrog cov nplaum txheej thiab tsim nyob ib ncig ntawm cov yeeb nkab nto.

Uniform thickness thiab kev sib raug zoo yog qhov tseem ceeb. Cov txheej txheem extrusion yuav tsum tau tswj raws li cov khoom siv PE thiab txheej txheej tshwj xeeb.

Cov txheej txheem extrusion tsis zoo tuaj yeem ua rau qhov tsis sib xws, qhov tsis xws luag, kev sib txuas tsis tiav, lossis lwm yam teeb meem uas tuaj yeem txo qhov kev tiv thaiv ntawm cov txheej txheem tiav.

Hom Txheej Thickness

Txheej thickness nyob ntawm cov yeeb nkab txoj kab uas hla, txheej txheej, qhov project xav tau, thiab cov qauv siv tau. Nws yuav tsum tsis txhob xav tias ib lub thickness yog haum rau txhua lub yeeb nkab.

Kev lag luam 3LPE tshuab feem ntau siv FBE primer, ib txheej nplaum nyias, thiab cov txheej txheej PE tuab heev. Qee cov khoom specifications sau tag nrho PE-raws li txheej thicknesses nyob ib ncig ntawm 1.8–4.0 mm, tab sis cov kev cai tiag tiag yuav tsum yeej ib txwm txiav txim siab los ntawm qhov tsim nyog project specification thiab tus qauv.

Xim xaiv

3 LPE txheej tshuabtuaj yeem muab cov xim sib txawv raws li qhov yuav tsum tau ua. Cov kev xaiv muaj xws li grey, ntsuab, dawb, thiab dub.

Xim feem ntau ua haujlwm rau kev txheeb xyuas, pom, lossis qhov project- cov kev cai tshwj xeeb es tsis yog hloov qhov kev tiv thaiv ntawm cov txheej txheej txheej.

Cov xim tiag tiag yuav tsum tau teev raws li cov neeg siv khoom xav tau.

Daim ntawv thov ntawm 3LPE Hlau Yeeb Nkab Los Tiv Thaiv -Cov ntaub ntawv Corrosion

3 LPE systemsfeem ntau yog txuam nrog kev tiv thaiv sab nraud ntawm faus lossis submerged steel pipelines. Lawv tuaj yeem siv rau welded thiab seamless steel kav siv nyob rau hauv cov kav dej thauj mus los.

Cov ntawv thov ib txwm muaj xws li:

• Roj xa cov kav dej
• Natural gas pipelines
• Cov kav dej xa mus
• Cov kav dej hauv av
• Submerged pipeline seem
• Industrial fluid kev thauj mus los
• Infrastructure tej yaam num
• Cov kav dej tau nruab rau hauv cov av hnyav heev

Cov txheej txheem txheej txheej tsim nyog yuav tsum tau xaiv ib txwm raws li qhov chaw ua haujlwm tiag tiag.

3LPE rau Underground Steel Pipes

Cov kav dej hauv av tau raug rau cov av kev ntxhov siab, dej hauv av, noo noo, ntsev, kab mob, thiab lwm yam ib puag ncig. Lawv kuj tseem yuav muaj kev ntxhov siab ntawm kev siv tshuab thaum lub sijhawm thauj mus los, txo qis, rov qab ua dua, thiab kev txav hauv av.

PE txheej txheej muab kev tiv thaiv txhua yam, thaum FBE thiab nplaum txheej tiv thaiv cov hlau thiab tswj kev ncaj ncees ntawm txheej txheej.

Qhov no ua rau 3LPE yog qhov kev xaiv muaj zog rau ntau cov kav dej hauv av.

3LPE rau Submarine thiab Submerged Pipelines

Submerged pipelines tuaj yeem cuam tshuam tsis tu ncua rau dej, ntsev, mechanical force, thiab lwm yam kev mob ib puag ncig. Txheej kev ncaj ncees yog qhov tseem ceeb tshwj xeeb vim tias kev nkag mus rau kev saib xyuas yuav nyuaj.

Ib txheej peb - txheej txheej tuaj yeem muab kev sib xyaw ua ke ntawm kev tiv thaiv corrosion, adhesion, mechanical tiv thaiv, thiab ya raws.

Txawm li cas los xij, daim ntawv thov submarine tuaj yeem muaj qhov project ntxiv - cov cai tshwj xeeb. Yog li ntawd, txheej txheej tsim yuav tsum raug xaiv raws li qhov dej tob, qhov kub thiab txias, txoj kev teeb tsa, cov khoom siv kho tshuab, thiab cov qauv siv tau.

Qhov zoo ntawm 3LPE Txheej

Kev sib xyaw ua ke ntawm FBE, nplaum, thiab PE muab ntau yam zoo.

Muaj zog Adhesion

FBE txheej tsim muaj kev sib raug zoo nrog cov hlau npaj, thaum lub nplaum tsim kev sib txuas ntawm FBE thiab PE.

Corrosion Resistance

FBE txheej tsim ib qho tseem ceeb ntawm kev thaiv ntawm cov hlau thiab corrosive ib puag ncig.

Mechanical Protection

PE txheej txheej muab kev tiv thaiv rau kev cuam tshuam thiab puas thaum tuav thiab teeb tsa.

Moisture Resistance

Polyethylene muaj qhov nqus dej tsawg thiab muab kev tiv thaiv zoo rau sab nraud.

Ntev -Lub Sij Hawm Pipeline Protection

Kev sib xyaw ua ke ntawm kev tiv thaiv sib txawv pab cov txheej txheem txheej txheem tiv thaiv kev xav tau hauv av thiab submerged ib puag ncig thaum tsim thiab siv tau zoo.

3LPE thiab Cathodic Protection

3 LPE txheejfeem ntau yog siv los ua ib feem ntawm cov kav dej dav dav corrosion- tswj lub tswv yim. TS EN ISO 21809-1 Cov kav dej coated raws li tus qauv raug suav tias tsim nyog rau kev tiv thaiv ntxiv los ntawm kev tiv thaiv cathodic.

Qhov no txhais tau tias txheej thiab kev tiv thaiv cathodic tuaj yeem ua haujlwm ua ke. Cov txheej txheej muab cov txheej txheem tseem ceeb ntawm lub cev, thaum kev tiv thaiv cathodic tuaj yeem muab kev tiv thaiv corrosion ntxiv - tswj kev tiv thaiv ntawm thaj chaw uas cov hlau tuaj yeem raug.

Qhov ua tiav corrosion- tswj lub tswv yim yuav tsum xav txog ob qho tib si txheej txheej thiab cov kav dej cathodic tiv thaiv kab ke.

Kev Tswj Xyuas Zoo Thaum 3LPE Txheej

Kev tswj kom zoo yuav tsum tau nqa tawm thoob plaws hauv cov txheej txheem txheej es tsis yog tom qab tsim khoom xwb.

Cov chaw soj ntsuam tseem ceeb suav nrog:

Cov kev xeem tiag tiag thiab kev lees txais yuav tsum tau txiav txim los ntawm cov qauv siv tau thiab qhov project specification.

Cov teeb meem tshwm sim hauv 3LPE Txheej

Ob peb qhov tsis xws luag tuaj yeem txo qhov kev ua tau zoo ntawm peb - txheej txheej txheej txheej.

Kev npaj tsis zoo tuaj yeem ua rau tsis muaj zog adhesion ntawm FBE thiab hlau. Cov cua kub tsis raug tuaj yeem cuam tshuam rau FBE curing lossis inter-txheej txheej. Cov teeb meem nrog daim ntawv thov nplaum tuaj yeem tsim kev sib cais ntawm FBE thiab PE, thaum tsis raug PE extrusion yuav ua rau cov thickness tsis sib xws los yog deg.

Cov teeb meem tshwm sim muaj xws li:

• Tsis zoo FBE adhesion
• Tsis sib npaug txheej thickness
• Cov ntaub nplaum tsis tiav
• PE delamination
• Kev puas tsuaj saum npoo
• Pinholes los yog discontinuities
• Tshaj txheej deformation
• Mechanical puas thaum tuav

Ua tib zoo tswj cov txheej txheem tuaj yeem pab txo cov teeb meem no.

Qhov tseem ceeb ntawm Kev Tshawb Nrhiav Hnub So

Ib hnub so yog qhov tsis sib xws lossis qhov tsis zoo me me hauv kev tiv thaiv tsis tu ncua. Xws li qhov tsis xws luag tuaj yeem nthuav tawm cov hlau hauv qab rau ib puag ncig.

Kev kuaj xyuas hnub so yog qhov tseem ceeb ua tau zoo- tswj cov kauj ruam rau ntau lub raj xa dej txheej txheej. Qhov kev ntsuam xyuas qhov hluav taws xob tsim nyog thiab cov txheej txheem tshuaj xyuas yog nyob ntawm cov txheej txheem txheej txheem thiab cov kev qhia tshwj xeeb.

Txhua qhov kev kuaj pom tsis zoo yuav tsum tau kho kom zoo ua ntej cov yeeb nkab tso tawm rau kev teeb tsa.

Kev tuav thiab thauj cov yeeb nkab coated

Cov txheej yuav tsum tau tiv thaiv tsis tau tsuas yog thaum lub sij hawm thov tab sis kuj thaum lub sij hawm thauj mus los thiab installation.

Cov kav hlau hnyav tuaj yeem ua rau lawv cov coatings puas tsuaj yog tias lawv muab tso ncaj qha rau ntawm qhov chaw tsis zoo lossis ua haujlwm nrog cov khoom nqa tsis tsim nyog. Kev tiv thaiv kev txhawb nqa, cov hlua uas tsim nyog, thiab cov txheej txheem tswj tau tuaj yeem txo qhov kev pheej hmoo ntawm cov txheej txheem puas.

Cov txheej txheem ntawm txheej yuav tsum tau kuaj xyuas tom qab kev thauj mus los thiab ua ntej kev teeb tsa.

Qhov tseem ceeb ntawm Kev Cia Siab Zoo

Cov kav dej coated yuav tsum muab khaws cia rau hauv ib txoj kev uas tiv thaiv cov txheej txheem tsis tsim nyog. Cov kav dej yuav tsum raug txhawb kom zoo thiab sib cais thaum xav tau.

Ntev -lub sij hawm raug rau ib puag ncig tsis zoo kuj tuaj yeem cuam tshuam cov ntaub ntawv nyob ntawm cov txheej txheem tsim thiab qib PE. Cov txheej txheem khaws cia yuav tsum yog li ntawd ua raws li qhov yuav tsum tau ua thiab txheej txheej tsim cov lus pom zoo.

Xaiv txoj cai 3LPE cov ntaub ntawv

XaivHlau Yeeb Nkab Los tiv thaiv-Cov khoom siv corrosionxav tau ntau tshaj li xaiv FBE, nplaum, thiab PE tus kheej. Peb cov ntaub ntawv yuav tsum tau sib xws thiab tsim nyog rau cov kev pabcuam uas xav tau.

Cov yam tseem ceeb muaj xws li:

• Qib steel yeeb nkab
• Txoj kab uas hla
• Phab ntsa thickness
• Ua haujlwm kub
• Av tej yam kev mob
• Kev raug dej
• Txoj kev teeb tsa
• Yuav tsum tau txheej thickness
• Mechanical tiv thaiv cov cai
• Cov qauv siv tau
• Kev cia siab ib puag ncig kev pabcuam

Txheej txheej txheej yuav tsum tsim nyog rau daim ntawv thov npaj ua ntej tag nrho cov khoom.

Cov qauv siv tau

TS EN ISO 21809-1: 2018 yog ib qho tseem ceeb thoob ntiaj teb tus qauv npog cov nroj tsuag- siv sab nraud peb- txheej polyethylene thiab polypropylene txheej rau faus lossis submerged welded thiab seamless steel kav siv hauv cov roj av thiab cov kav dej hauv nruab nrab.

Lwm cov qauv kuj yuav raug teev nyob ntawm qhov project, lub teb chaws, kev pabcuam kav dej, thiab cov neeg siv khoom xav tau. Cov kev qhia tshwj xeeb tam sim no yuav tsum txiav txim siab seb tus qauv twg thiab ib tsab siv tau.

Xaus

3LPE Steel Yeeb Nkab Los tiv thaiv -Cov khoom siv corrosionmuab ntau- txheej txheej los tiv thaiv cov kav hlau tiv thaiv corrosion thiab txhua yam kev puas tsuaj. Lub kaw lus muab peb cov ntaub ntawv ntxiv: FBE ua thawj txheej, nplaum raws li txheej thib ob, thiab polyethylene ua txheej thib peb.

FBE txheej muab lub zog adhesion thiab ib qho tseem ceeb corrosion barrier. Cov nplaum txuas cov epoxy thiab polyethylene txheej, thaum PE txheej txheej muab kev tiv thaiv thiab tiv thaiv kom ya raws thiab puas. Ua ke, cov khaubncaws sab nraud povtseg tsim kom muaj kev tiv thaiv sab nraud rau ntau qhov kev siv faus thiab submerged pipeline.

Rau kev ua tau zoo, txawm li cas los xij, cov khoom zoo ib leeg tsis txaus. Kev npaj zoo steel nto, tswj qhov kub thiab txias, daim ntawv thov txheej, kev tswj thickness, inter-txheej txheej, kev tshuaj xyuas, kev tshawb nrhiav hnub so, kev tuav, thiab kev khaws cia yog txhua yam tseem ceeb.

Thaum qhov tseeb3 LPE txheej rau Steel Pipes raug xaiv thiab siv raws li qhov tsim nyog yuav tsum tau ua, nws tuaj yeem muab kev ruaj ntseg ntev ntev - kev tiv thaiv thiab pab txo qis corrosion - cuam tshuam txog kev tu thiab kev ncaj ncees ntawm cov kav dej.