Sɛnea yɛn nyinaa nim no, ɛsɛ sɛ wɔde dade a ɛnyɛ den a wɔde fa nsu mu a wɔde fa nsu mu no yɛ pickled na wɔyɛ no passivate ansa na wɔafi adwumayɛbea hɔ.
Nanso, ɛtɔ mmere bi a wohyia sɛ wɔn a wɔde di dwuma no hwehwɛ sɛ wɔsan de nsu afiri di dwuma. Ɛdefa nsu afiri no ho no, ɛsɛ sɛ nea ntease wom kɛse no yɛ sɛ wobewie nsu afiri nhyehyɛe no nyinaa a wɔde fi ase wɔ beae a wɔreyɛ adwuma no bere a wɔawie no. Mpɛn pii no, wɔremma nea ɔyɛ no kwan mma ontu nsu afiri no mfi hɔ, enti dɛn nti na nea ɛsɛ sɛ nea ɔyɛ no ma nsu afiri no brɛ ase no?
Dɛn ne dade a ɛnyɛ den a ɛrefi ase?
Esiane sɛ mfiridwuma mu nkɔso a ɛrekɔ soro wɔ yɛn man yi mu ne petrochemical, abɔde mu mframa, nnuruyɛ ho nneɛma, nnwinnade, wimhyɛn, ahunmu ne nnwuma afoforo a wɔreyɛ no denneennen nti, ahwehwɛde ahorow a ɛfa dade a ɛnyɛ dade paipu ho mfiridwuma ho no nso rekɔ soro na akɔ soro. Te sɛ ahotew a ɛwɔ nsu afiri no mu no, wɔn a wɔde di dwuma no bi hwehwɛ sɛ ɛnsɛ sɛ wɔde nkannare a wontua hwee, mfutuma akɛse, welding slag, srade ne efĩ afoforo ba mu.
Wɔn mu no, oxygen pipeline no wɔ ahotew ho ahwehwɛde ahorow a emu yɛ den koraa. Oxygen nsuo afiri dodoɔ no ara de oxygen a ɛho tew boro 99.99% kɔ, na nhyɛsoɔ kɛseɛ ne nsuo a ɛsene ntɛmntɛm. Sɛ wontumi nhyɛ bɔ sɛ nsu afiri no mu tew a, wobetumi ama ngo ne dade ions kakraa bi a ɛwɔ nsu afiri no mu no ayɛ oxidized na ɛne oxygen a ɛho tew a ɛwɔ nhyɛso kɛse no abɔ, na anyinam ahoɔden nkankyee a wɔayɛ no bɛma nea ebefi mu aba a ɛyɛ hu a wontumi nsusuw ho na mpo ɛde akwanhyia a ɛyɛ hu bɛba.
Wɔn mu, wɔ ɔkwan a wɔfa so yɛ welded pipes no mu no, wobetumi de ɔkwan a wɔfa so yɛ mu no aka ho na ama nsu paipu no mu ɔfasu a ɛwɔ mu no ayɛ mmerɛw, atew dade a wɔde gu mu ne nneɛma nkae a ɛwɔ ɔfasu a ɛwɔ mu no so, na ɛnam so ama nsu a ɛbɛsɛe no so atew. Hangao Tech (Seko mfiri) wɔ bɛboro mfe 20 a wɔde ayɛ nnwuma wɔ . Stainless steel tube inner weld bead leveling equipment , na aboaboa nneɛma pii a wɔyɛ ho nsɛm ne adetɔfo nsɛm ano, a ɛfata wo koraa.
Enti, sɛnea nhyehyɛe no mu ahwehwɛde ahorow kyerɛ no, ɛsɛ sɛ mfiri foforo a wɔde yɛ nsu afiri no di dwuma de yi ngo ne efĩ afoforo a ɛwɔ paipu no mu ɔfasu no so no fi hɔ ansa na wɔafi ase ayɛ adwuma no. Bere koro no ara mu no, wɔbɛhwehwɛ nso sɛ nea ɔde nneɛma ma no no bɛma nsu afiri no afi hɔ.
Dɛn ne anammɔn a ɛpaapae na ɛho tew a wɔde yɛ oxygen a ɛnyɛ dade a ɛnyɛ den no?
Stainless Steel Oxygen Pipeline Ahotew Anamɔn: Nsu a Wɔhohoro → Nsa a wɔde popa popa → Nsu a wɔhohoro → Mframa a wɔahyɛ no den (anaasɛ nitrogen) a wɔde tew ho.
Nsuo a ɛrehuruw: Sɛ worehohoro mu a, fa mfiri nketewa a ɛwɔ nhyɛsoɔ kɛseɛ mu a wɔde bɛhohoro nsuo mu no hohoro, na wɔhwɛ nhyɛsoɔ no so bɛyɛ 0.6MPa na ama woahwɛ sɛ efĩ a ɛwɔ nsuo afiri no mu no ho bɛhoro. Botae no ne sɛ wobeyi nsõ, silt, dade oxides a ɛtwe ne ho ne efĩ afoforo a ayɛ mmerɛw a ɛwɔ nsu afiri no mu no afi hɔ.
Manual wiping and degreasing: Hwie cleaning ne degreasing mixture no gu cleaning basin no mu, fa ka ho sɛnea ɛfata, fa fra pɛpɛɛpɛ ansa na wode adi dwuma, na popa no mpɛn pii. Bere a wɔreyɛ ahotew no, ɛsɛ sɛ wɔhwɛ ahotew a ɛwɔ degreasing cleaning solution no mu no so. Sɛ kɔla a ɛwɔ degreasing cleaning solution no mu no yɛ fĩ a, ɛsɛ sɛ wɔtwe degreasing solution a ɛwɔ hɔ dedaw no na ɛsɛ sɛ wɔsan hyehyɛ degreasing cleaning solution no. Botaeɛ ne sɛ wɔbɛyi nneɛma a ɛwɔ nkwa mu ahodoɔ nyinaa te sɛ ngo, graphite, ngo a ɛko tia rust wɔ nsuo afiri no mu, sɛdeɛ ɛbɛyɛ a wɔbɛhwɛ sɛ nsuo afiri no mu bɛtew berɛ a wɔde rehyɛ mu na wɔadu nea wɔhwehwɛ wɔ nnwinnadeɛ a wɔde yɛ adwuma no ho.
Nsuo a ɛrehuruw: Sɛ wɔyi afiri no mu wie a, fa nsuo pii hohoro mu. Sɛ nsu a ɛrehuruw fi afiri no mu no ho tew a, wobetumi de nsu a ɛrehuruw no aba awiei. Botae a ɛwɔ nsu a ɛbɛhohoro mu bere a wɔayi afi mu akyi ne sɛ ɛbɛhohoro nea aka a ɛregu no mu wɔ nsu afiri no mu.
Mframa a wɔahyɛ no den (anaa nitrogen) Purge: Fa mframa a wɔahyɛ no den a ngo nnim (anaasɛ nitrogen) tew ho, ma paipu no mu hohoro, na afei fa plastic ntama a ɛho tew kyekyere paipu no ho na ama woahwɛ ahu sɛ paipu no mu tew na woakwati efĩ a ɛto so abien.
Stainless dade paipu degreasing acceptance kwan .
Pipeline degreasing treatment no de degreasing solvent a wɔakyerɛ wɔ design no mu no bedi dwuma na ɛhwehwɛ sɛ ɛtu gu. Sɛ wɔankyerɛ wɔ adwini no mu a, wobetumi de carbon tetrachloride ayi afi mu de ahwɛ sɛ ebia degreasing no fata anaa.
Degreased stainless steel pipe a wɔde ahyɛ mu .
Sɛ wɔtew nsu afiri no so na wɔtew ho wie a, ɛsɛ sɛ wodi ahwehwɛde ahorow a edidi so yi ho dwuma:
1) Fa ultraviolet hann a asorɔkye tenten yɛ 320-380nm di dwuma fa hwɛ ɔfasu a ɛwɔ nsu afiri no mu no, na ɛnsɛ sɛ srade a ɛyɛ hyew no hyerɛn.
2) Fa krataa fitaa a ɛho tew na ɛyɛ nwunu popaa paipu no mu ɔfasu no, ɛnsɛ sɛ ngo biara nni krataa no so.
3) Anaasɛ fa degreasing solvent di dwuma de hu sɛ ngo a ɛwɔ mu no ntra nea wɔde ahyɛ wɔn nsa no ahwehwɛde ahorow.
4) Mfiridwuma ho nsɛnkyerɛnneɛ foforɔ a ɛfa ho a ENTRUSTING party no ahyɛ ho nyansa.
Nnuru a wɔde tew nneɛma ho na ɛma ɛyɛ mmerɛw sɛ wɔde oxygen a ɛnyɛ den bɛfa so no ma oxygen nsu afiri a wɔde tew nneɛma ho no yɛ pɛpɛɛpɛ na ɛma ɛyɛ mmerɛw, ɛma oxygen nsu nhama no mu ahotew tu mpɔn kɛse, na ɛyɛ ahotoso a wotumi de ho to so a ɛma oxygen nsu nhama no yɛ adwuma yiye na etu mpɔn. Ɛfata sɛ wɔn a wɔyɛ dade a ɛnyɛ den no de wɔn adwene si so na wɔhyɛ ho nkuran.
