3LPE Coating Pipe a wɔde kata so

3LPE a wɔde kata so paipu(3-Layer Polyethylene)ka abomFBE+ copolymer adhesive + polyethylene (PE) kɔhyɛ nhyehyɛe a ɛwɔ ntoatoaso abiɛsa-yɛ mu ma nsu afiri a wɔasie ne nea wɔde ahyɛ nsu ase, a ɛsom sɛ abɔnten so aduru a ɛbɔ nsɛe ho ban. Ɛka fusion-bonded epoxy (FBE) primer a ɛko tia electrochemical, acopolymer adhesive a ɛma ɛyɛ den, ne abɔnten polyethylene (PE) layer a ɛbɔ mfiri ne nneɛma a atwa yɛn ho ahyia ho ban bom. Saa nhyehyɛe yi ma ɛyɛ den yiye sɛ wɔde toto nneɛma a wɔde kata so a ɛyɛ biako-layer coatings ho a, ɛma ɛyɛ foil, gas, nsu, ne ɔmantam mu ɔhyew nsu afiri a wɔpɛ wɔ asase a ɛyɛ basabasa, nsuten a ɛtwam, ne mpoano mmeae.

Saa 3LPE coated pipe coating yi yɛ nea wɔtaa kyerɛ sɛ3LPE nsuo afiri a wɔde kata soma nsuo a ɛwɔ asase so a wɔasie, asubɔnten a ɛtwa, ne afã a ɛbɛn mpoano a asase mu nnuru, nsuo, ne abrannaa a wɔde di dwuma no bɛtumi asɛe sini a wɔde kata so a ɛda hɔ kwa anaa ɛyɛ teateaa.

Fusion-Epoxy a wɔde abɔ mu (FBE) .

Ɛma tẽẽ adhesion to dade ani akyi abrasive blasting.

Asomafoɔ Nnwuma

Cathodic disbondment resistance a ɛkyɛn so, ɛho hia ma pipelines a wɔde CP (cathodic ahobammɔ) di dwuma.

Nnuru a ɛgyina pintinn wɔ mmeae a acid ne alkaline wɔ.

Copolymer Nnua a Wɔde Ntama Ho

Ɛyɛ adwuma sɛ bonding bridge a ɛda FBE primer ne akyi PE jacket ntam.

Wɔayɛ no sɛnea ɛbɛyɛ a ebetumi agyina ɔhyew a ɛtrɛw ne asase mu nhyɛso ano a wɔrensɛe no.

Ɛma ahoɔden a ɛwɔ peel ne shear resistance yɛ kɛse, titiriw wɔ mfiri a wɔde fa nneɛma anaa HDD (Horizontal Directional Drilling) ase.

Ɛko tia nsu a ɛyɛ hyew a wɔde bɛhyɛ mu, na ɛhwɛ hu sɛ ɔdan no yɛ pɛpɛɛpɛ wɔ mmeae a ɛhɔ yɛ nwini na ɛyɛ atɛkyɛ.

Polyethylene (PE) Jacket a wɔde yɛ nneɛma

Ɛma mfiri ahoɔden: ɛko tia nsunsuanso, abrasion control, ne ahobammɔ fi backfill ɔsɛe ho.

Ɛyɛ adwuma sɛ akwanside a ɛma nsu ntumi nkɔ asase ase, ɛpo mu nsu, ne asase mu nneɛma a ɛde efĩ ba no ano.

Ɛwɔ MDPE (Medium Density) ne HDPE (High Density) abasobɔdeɛ mu a egyina adwuma no tebea so.

UV a ɛtra hɔ kyɛ-a ɛgyina pintinn ne ɔhyew a ɛgyina bere a ɛda adi bere a wɔde rehyɛ anaa wɔrekora so no.

Sɛ wɔka bom a, saa ntoatoasoɔ mmiɛnsa yi yɛ nhyehyɛeɛ a ɛyɛ adwuma bom: FBE no hwɛ hu sɛ anti-corrosion, adhesive no ma bonding no yɛ den, na PE jacket no bɔ pipeline no ho ban firi mfiri ne nneɛma a atwa yɛn ho ahyia ho asiane ho.

Sɛ wopɛ RFQ ne project fileing a, a3LPE a wɔde kata so ho nkyerɛkyerɛmu PDFwobetumi de ama bere a wɔabisa, a mpɛn pii no nea ɛka ho ne coating procedure summary, inspection checklist, ne kyerɛwtohɔ ahorow a wɔhwehwɛ na ama wɔagyebere a wɔakyerɛ wɔ PO/ITP mu no.

3LPE Vs FBE na ɛwɔ hɔ

• 3LPE na ɛyɛ adwuma: Abɔnten so ade a wɔde kata so a ɛyɛ abiɛsa-a (FBE + adhesive + PE) a ɛde mamfiri ahobammɔ a emu yɛ dena ɛko tia nkɛntɛnso, aprannaa, ne asase mu nhyɛso, ne nsu akwanside a ɛtra hɔ kyɛ a wɔde yɛ adwuma a wɔasie/wɔahyɛ nsu ase. Wɔtaa kyerɛkyerɛ mu maabotan a wɔde hyɛ akyi, HDD twetwe, nsuten/mpoano akwan, ne tebea afoforo a emu yɛ den a ɛfa instɔlehyɛn ho.3LPE a wɔde kata so botitiriw no ɛsono sɛnea paipu OD/tenten, coating thickness ahwehwɛde, surface ahosiesie level, sɔhwɛ scope, ne handling / packing ahwehwɛde. Sɛ wode bɛtoto wɔn a wɔde nneɛma ma no ho wɔ ɔkwan a ɛfata so a, fa nneɛma a wɔde ma ne nea wɔde hwɛ nneɛma mu no sie RFQ no so.
• Octal Pipe hyɛ no nsow:yɛn 3LPE akwan horow no si so duaadhesion a ɛkorɔn, ɛyɛ mmerɛw yiye, ne ahoɔden a ɛko tia nkɛntɛnso, a ɛwɔ nneɛma a wɔde ma a wɔtaa de maOD 88.9–1420 mm na ɛwɔ hɔne tenten biako8–18 m(project-based), ne afe afe coating tumi a ɛyɛɛkɔ soro kodu m2 3,000,000.
• FBE: Epoxy a wɔde kata so a ɛyɛ biako-layer a wonim no sɛadhesion ne flexibility a ɛkyɛn so. Wɔde di dwuma kɛse mafittings, bends, ne mmeae a ɛwɔ afuw mu nkwaa, na ɛsan nso yɛ primer layer wɔ multilayer nhyehyɛe ahorow mu. Sɛ wɔde toto 3LPE coating ho a, ɛtaa mamfiri a wɔde bɔ wɔn ho ban kakraa biwɔ backfill nhyɛso a emu yɛ duru ne abrasion exposure ase.

3LPE Vs 3LPP na ɛwɔ hɔ

• 3LPE na ɛyɛ adwuma: Wɔde di dwumapolyethylene (PE) a wɔde yɛ nneɛma .sɛ akyi fã no, de kari pɛ a emu yɛ den ma wɔ corrosion ahobammɔ nemfiri a ɛtra hɔ kyɛwɔ nsu afiri dodow no ara a wɔasie no ho (ɔhyew a wɔtaa de yɛ adwuma no gyina adwuma no ho nkyerɛkyerɛmu so). Ɛyɛ abɔnten so ade a wɔde kata so nhyehyɛe a wɔagye atom kɛse, ɛho ka{1}}etu mpɔn.
• 3LPP na ɛwɔ hɔ: Wɔde di dwumapolypropylene (PP) a wɔde yɛ nneɛma .sɛ akyi fã no, a ɛmaɔhyew a ɛkorɔn a ɛko tiane sɛnea ɛyɛ den a ɛkɔ anim bere a wɔde toto PE ho no. Wɔtaa paw no maɔsom nhama a ɛyɛ hyew, anhweatam so akwan, ne nnwuma a wɔhwehwɛ sɛ wɔde sakre a wɔde yɛ hyew a emu yɛ den di dwuma.

Wɔ nneyɛe mu no

• 3LPE na ɛyɛ adwumano yɛ nea wɔpɛ bere a asiane a ɛwɔ hɔ sɛ mfiri sɛe no yɛ kɛse (abrasion/impact/soil stress, HDD, asase a ɛyɛ nsu anaasɛ ɛyɛ basabasa).
• FBEwɔtaa de di dwuma wɔ baabi a nsakrae ne nhyehyɛe a ɛnyɛ den ho hia (fittings, bends, field joints).
• 3LPP na ɛwɔ hɔwosusuw ho bere a ɛho hia sɛ wɔyɛ ɔhyew a ɛkorɔn-ɔhyew som anaasɛ ɔhyew adwumayɛ a ɛyɛ katee.
•  

• Surface prep: Blast cleaning ne surface profile a wɔagye atom sɛ ɛne coating nhyehyɛe no hyia (sɛnea wɔakyerɛ).
• FBE layer: Fa a wɔde sa yare so di dwuma de yɛ primer nnyinaso no.
• Adhesive layer: Wɔahyɛ melt/flow so de abɔ FBE ne PE.
• PE topcoat: Extruded layer ma mfiri ahobammɔ ne nsu akwanside.
• Nhwehwɛmu: Wɔhwɛ sɛnea ɛyɛ kɛse, nnapɔnna a wohu, ne adhesion sɔhwɛbere a wɔakyerɛ wɔ PO/ITP mu no, a wɔde mae sɛ kyerɛwtohɔ ahorow a wɔde gye.

Yɛn3LPE a wɔde kata so paipuadwumayɛ no si gyinae wɔ coating line-titiriw denam sɛnea yɛdi so no sodade ani ahosiesie, dade hyew, powder a wɔde di dwuma, ne extrusion a ɛyɛ den. Ɛno nti na yɛyɛ 3-layer system a edi mũ a ɛwɔ stations a wɔatu ho ama amaFBE powder a wɔde kata so, copolymer a wɔde kyekyere nneɛma ho, nepolyethylene akyi jacketformation, enti coating no kɔ so yɛ pɛpɛɛpɛ wɔ production runs tenten nyinaa mu.

Nneɛma Titiriw a Yɛde Di Dwuma Wɔ Ntrɛwmu no So

• FBE epoxy powder (primer a wɔde yɛ nneɛma): .wɔde di dwuma denam anyinam ahoɔden a wɔde petepete dade a ɛyɛ hyew yiye so de yɛ nnyinaso a ɛyɛ den a ɛko tia nsɛe-.
• Copolymer adhesive (mfinimfini fã):yɛ bonding bridge a ɛda epoxy ne PE ntam, na ɛma adhesion ne bere tenten-peel adwumayɛ tu mpɔn.
• Polyethylene (PE) granules (akyi fã): .extruded sɛ ahobammɔ jacket no sɛnea ɛbɛyɛ a ɛbɛko atia impact, abrasion, ne nsu a ɛkɔ mu wɔ buried/sumerged service.

Nnwinnade Titiriw & Nneɛma a Wɔyɛ no Dwumadibea

• Surface ahosiesie & ahotew:shot blasting, dust removal, ne surface condition control-efisɛ coating adhesion fi ase wɔ dade profile ne ahotew so.
• Induction ɔhyew nhyehyɛe:ɛma paipu no yɛ hyew kodu ɔhyew a wɔhwehwɛ sɛ wɔde kata so no so na ɛma ɔhyew no yɛ nea ɛyɛ den ansa na wɔde powder apetepete so.
• FBE powder a wɔde petepete nneɛma so:electrostatic powder a wɔde di dwuma ne sini a wɔahyɛ so a wɔde si; powder handling/recovery no hwɛ so ma coating no kɔ so yɛ den na ɛtew nwura so.
• Adhesive + PE extrusion a wɔde kata so ɔfã:extrusion nhyehyɛe no de adhesive layer ne PE jacket no di dwuma wɔ controlled, continuous process (ahoɔhare ne melt stability yɛ key ha).
• Cooling & wie beae:controlled cooling to lock coating integrity, ne ahosiesie a wɔatwitwa so sɛnea adwuma no hwehwɛ no.
• Nhwehwɛmu a wɔyɛ wɔ Intanɛt so:wobetumi de thickness checks ne holiday detection ahyɛ adwumayɛ nhyehyɛe no mu ma enti wohu sintɔ ahorow ntɛm, ɛnyɛ bere a wɔaboaboa ano akyi.

Ɛsɛ sɛ wɔkyekyere 3LPE coating thickness to handling risk (pull-in/rocky backfill) ne service environment, ɛnyɛ sɛ wɔpaw sɛ "nɔma biako fata obiara."

WɔOctal Pipe a Wɔde Yɛ Nneɛma, yɛde yɛn gyinabea si hɔ3LPE a wɔde kata paipu soma nnwuma a adetɔfo dwen nneɛma abien ho kɛse:instɔlehyɛn sɛe ho asianenebere tenten-asetra mu ka. Wɔtaa kyerɛ Octal pipe 3LPE coated ma akwan a ɛyɛ hyew a ɛba fam-ne tebea a emu yɛ den a wɔde besisi hɔ efisɛ ɛka bomadhesion a ɛkorɔn, ɛyɛ mmerɛw yiye, ne ahoɔden a ɛko tia nkɛntɛnso, a wɔde nneɛma a ɛyɛ den a wɔde ma a wɔboa noɛkɔ 3,000,000 m2/afetumi a wɔde kata so.

• Long-Abɔde mu Mframa & Crude Oil Transmission Pipelines a Ɛkɔ Akyirikyiri

Eyi ne baabi a akuw a wɔkra nneɛma no haw wɔn ho wɔ hoɔkwan a ɛyɛ den(abotan a wɔde hyɛ akyi, asase a ɛyɛ nsuo, akwantuo tenten, HDD/asubɔnten a wɔtwa) nenea ɛto so abiɛsa-afã a wogye tom.
yɛde yɛn adwene si coating adwumayɛ a ɛboa ma ɛtew afuw mu adwuma a wɔsan yɛ so- so.mfiri a wɔde siw nneɛma a ɛsɛe ade ano + adhesion a emu yɛ den-na yebetumi de coating ahwehwɛde ahorow ahyia ne gyinapɛn a wɔtaa de di dwuma (project-based), a ɛma nhwehwɛmu ne nsa a wɔde ma no yɛ mmerɛw.

• Nsuo a Wɔde Fa Nsuo Nsuo & Pile Pipes

Saa nnwuma yi taa yɛ nhyehyɛe-driven ne volume-driven, na adetɔfo dwen hocoating durability bere a wɔde di dwuma/stackingnea wɔde ma a ɛyɛ pintinnsɛnea ɛbɛyɛ a wobɛkɔ so de ahyɛ mu.
Octal Pipe a Wɔde Yɛ Nneɛma3LPE ma abɔnten akwanside a ɛyɛ den ma asie/nsuo a ɛda adi, na yɛn nneɛma a yɛtumi yɛ no boa adetɔfoɔ ma wɔtew asiane a ɛwɔ hɔ sɛ wɔde bɛma so wɔ adansiɛ mfɛnsere a ɛsen biara mu.

• Chemical & Slurry (Mineral Pulp) Nneɛma a Wɔde Fa Nneɛma a Wɔde Fa Nneɛma Mu

Saa nhama yi taa fa mmeae a wɔyɛ mfiridwuma anaa mmeae a ɛhɔ yɛ den, baabi a asɛnnennen ankasa no wɔbere tenten-bere mu ahotosone kwati a wɔbɛkwati sɛ wɔbɛto mu esiane abɔnten so nsɛe anaasɛ ade a wɔde kata so a ɛsɛe bere a wɔde rehyɛ mu nti.
Nea enti a yɛn 3LPE no fata:yɛn 3LPE paipu no yɛ nea wɔayɛ sɛ ɛbɛtrɛw ɔsom nkwa nna mu na atew adwumayɛ ho ka so denam ka a wɔbɛka abom ahobammɔ a ɛfa nsɛe ho nea ɛkorɔn impact/abrasion abodwokyɛre-mfaso wɔ so bere a instɔlehyɛn tebea no yɛ den.

Di nkitaho mprempren

FAQ

 

 

Dɛn ne nea ɛtaa ba3LPE a wɔde kata so no mu duru(DIN 30670 / ISO 21809-1)?

3LPE a wɔde kata so no mu duruwɔde adwuma no gyinapɛn ne paipu kɛse na ɛkyerɛ.DIN 30670 na ɛwɔ hɔmpɛn pii no ɛma DN-gyinaso akwankyerɛ a ɛba fam koraa a ɛfa ne kɛse ho (sɛ nhwɛso no, DN Ennu anaasɛ ɛne no yɛ pɛ 100: 1.8 mm kosi DN Kɛse sen anaasɛ ɛyɛ pɛ 800: 3.0 mm), na ɛhyɛ no nsow a+0.7 mm a emu yɛ duru-adwumankɔanim wɔ baabi a mfiri mu nhyɛso dɔɔso.ISO 21809-1 na ɛwɔ hɔde thickness class adwene di dwuma na ɔkyerɛkyerɛ ahwehwɛde ahorow a ɛfa afifide-a wɔde di dwuma 3-layer PE/PP coatings ho.

3LPE ne 3LPP ntam: nsonsonoe bɛn na ɛwɔ mu?

Nsonsonoe titiriw no ne sɛakyi layer nneɛma: 3LPE de polyethylene (PE) na ɛyɛ adwuma ., berɛ a3LPP de polypropylene (PP) na edi dwuma .. Wɔtaa paw PP bere a ɛho hia sɛ wɔde ɔhyew a ɛkorɔn a wɔde yɛ adwuma no tumi yɛ adwuma, bere a wɔde 3LPE di dwuma kɛse ma nsu afiri a wɔasie/a wɔde ahyɛ nsu ase wɔ baabi a ɛho hia sɛ mfiri a ɛtra hɔ kyɛ ne ahobammɔ a ɛbɔ wɔ nsɛe ho.

Dɛnsɔhwɛ ahorowwɔhwehwɛ sɛ wɔyɛ ma3LPE a wɔde kata so paipugye a wogye tom?

Sɔhwɛ ahorow a wɔtaa de gye tom ma3LPE a wɔde kata so paipufa ka hocoating thickness susuw a wɔde susuw nneɛma ho, nnapɔnna a wɔde hu, peel ahoɔden, nsunsuanso a ɛko tia, necathodic a wɔde wɔn ho hyɛ mu(scope gyina adwuma no ho nkyerɛkyerɛmu so).

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