Wɔ mfiridwuma mu nneɛma a wɔyɛ ne ɔmanfo adwumayɛbea ahorow mu no, . Ball Valve Ne Nsa Wheelwɔde di dwuma kɛse wɔ nsu a wɔde fa nsu afiri ahorow mu esiane sɛnea ɛyɛ adwuma yiye ne sɛnea wɔhwɛ nsu a ɛsen no so pɛpɛɛpɛ nti. Nanso, wɔ nsɛm ho amanneɛbɔ tebea a ɛyɛ den na egu ahorow anim no, ne anti-corrosion adwumayɛ ho hia yiye, a ɛne valve no som nkwa nna, nhyehyɛe no dwumadi a ɛyɛ den ne ahobammɔ wɔ abusuabɔ tẽẽ. Enti, ɔkwan bɛn so na wobɛhwɛ ahu sɛ Ball Valve With Hand Wheel no yɛ anti-corrosion adwumayɛ? Eyi abɛyɛ nea nnwuma mu adwumayɛfo pii de wɔn adwene si so.
Nsɛm a wɔahyehyɛ
●Nneɛma a wɔpaw ne nea wogyina so
1. Dade nneɛma a ɛko tia nsɛe-
2. Nneɛma a ɛnyɛ-dade a ɛko tia-nsɛe
●Aduru a wɔde yɛ nneɛma a ɛwɔ soro no ma ahobammɔ yɛ kɛse
1. Ahobammɔ a wɔde kata so
2. Passivation ayaresa
●Structural design boa corrosion ahobammɔ
1. Nsɔano nhyehyɛe optimization
2. Nsu a ɛkɔ nsu mu ne mframa a wɔde fi mu ho nhyehyɛe
●Ɛho hia sɛ wosiesie nneɛma
1. Nhwehwɛmu a wɔyɛ no daa
2. Ahotew ne nsiesie
●Awiei
Nneɛma a wɔpaw ne nea wogyina so
1. Dade nneɛma a ɛko tia nsɛe-
Nneɛma a wɔde dade a ɛnyɛ den ayɛ:Wɔde dade a ɛnyɛ den na ɛyɛ bɔɔl valve ahorow pii a ɛyɛ papa-a ɛwɔ nsa ntwahonan, te sɛ 304, 316L ne mfonini afoforo. Fa 316L dade a ɛnyɛ den sɛ nhwɛso. Molybdenum wɔ mu, a ɛtumi gyina chloride nsɛeɛ ano yie na ɛyɛ adwuma yie wɔ nnuru, ɛpo mu nsuo a wɔde yɛ adwuma ne nnwuma foforɔ mu. Sɛ nhwɛso no, sɛ nnwumakuw a wɔyɛ nnuru de nsu a ɛyɛ hyew a chloride ions wom kɔ a, 316L dade a ɛnyɛ den ball valve ahorow betumi ayɛ adwuma a ɛyɛ den bere tenten na ɛtew asiane a ɛwɔ hɔ sɛ ɛbɛsɛe no so.
Nneɛma titiriw a wɔde afrafra:Wɔ mmeae bi a ɛyɛ hyew kɛse, te sɛ ɔhyew a ɛkɔ soro, nhyɛso a ɛkɔ soro ne nsɛe tebea a emu yɛ den ho no, wɔbɛpaw nnuru titiriw te sɛ Hastelloy ne Monel. Saa nnuru a wɔde afrafra yi tumi gyina nsɛe ano yiye na etumi gyina acid ahorow a ano yɛ den ne alkalis a ano yɛ den a ɛporɔw ano. Wɔ petroleum a wɔreyɛ no mu no, sɛ wɔredi nneɛma a ɛporɔw kɛse te sɛ hydrogen sulfide a ɛdɔɔso ho dwuma a, ball valves a wɔde Hastelloy ayɛ no betumi ahwɛ ahu sɛ nhyehyɛe no bɛyɛ adwuma dwoodwoo.
2. Nneɛma a ɛnyɛ-dade a ɛyɛ mmerɛw-a ɛko tia
Nneɛma a wɔde plastic yɛ:Wɔtaa de plastic te sɛ polytetrafluoroethylene (PTFE) di dwuma wɔ sealing surface, valve seat lining ne ball valve afã afoforo. PTFE wɔ nnuru a ɛgyina pintinn a ɛkyɛn so, ɛkame ayɛ sɛ ɛko tia nsɛe a nnuru media nyinaa de ma, ɛwɔ friction coefficient a ɛba fam ne sealing pa. Wɔ aduane ne anonneɛ adwumayɛ mu no, sɛ wɔde aduane a wɔde yɛ aduane a ɛyɛ acid anaa alkaline rekɔ a, ɛnyɛ sɛ PTFE-a wɔatoto bɔɔl valve a wɔde bedi dwuma no tumi hwɛ ma nsuo bɛkɔ nko, na mmom ɛbɛkwati valve a ɛbɛsɛe ne efĩ a ɛbɛba medium no so nso.
Nneɛma a wɔde yɛ rɔba:Abɔdeɛ mu rɔba, chloroprene rɔba, nitrile rɔba ne rɔba nneɛma foforɔ wɔ abodwokyɛre pa ma nneɛma bi a ɛporɔw wɔ ɔhyeɛ ne nhyɛsoɔ pɔtee bi mu, na wɔtaa de di dwuma sɛ gaskets, O-rings ne nneɛma foforɔ a ɛkata so. Wɔ nsuo a wɔde ma ne nsuo a ɛkɔ nsuo mu a wɔsi mu no, bɔɔl a wɔde rɔba-atoto mu no tumi siw nsuo a ɛretu no ano yie na ɛko tia nsɛeɛ a ɛfiri nnuru nketenkete a ɛwɔ nsuo mu no ano.
Aduru a wɔde yɛ nneɛma a ɛwɔ soro no ma ahobammɔ yɛ kɛse
1.Coating ahobammɔ
Dade a wɔde kata so:Ɛnam ɔhyew a wɔde petepete so, electroplating ne akwan foforo so no, wɔde dade a wɔde kata so a ɛko tia nsɛe-te sɛ zinc ne nickel a wɔde kata so, kata bɔɔl valve no ani. Thermal spray zinc coating betumi ayɛ dense ahobammɔ layer wɔ dade ball valve no ani, yiye atew mframa ne corrosive media, ama corrosion resistance a ball valve wɔ wim tebea anaa brɛoo corrosive tebea, na wɔde di dwuma kɛse wɔ ball valve ahobammɔ mu wɔ abɔnten pipeline nhyehyɛe.
Nneɛma a ɛnyɛ -dade a wɔde kata so:Organic coatings te sɛ epoxy coating ne polyurethane coating betumi ama ahoɔden a ɛko tia nsɛe yiye. Epoxy coating wɔ adhesion a emu yɛ den ne nnuru pa a ɛko tia nsɛe, na ebetumi abɔ bɔɔl valve no ani ho ban yiye afi erosion denam acid, alkali ne nsɛm afoforo so. Wɔ mmeae a wɔyɛ efĩ ho adwuma no, ball valve ahorow a wɔde fa efĩ no betumi atrɛw wɔn nkwa nna mu kɛse wɔ epoxy coating a wɔde ayɛ ho adwuma akyi.
2. Passivation ayaresa
Passivation ayaresa a wɔde yɛ dade a ɛnyɛ den bɔɔl valves betumi ayɛ oxide film a ɛyɛ den na ɛyɛ den wɔ ne soro, na ama dade a ɛnyɛ den a ɛko tia nsɛe no ayɛ kɛse. Wɔ passivation nhyehyɛe no mu no, nnuru pɔtee bi ano aduru ne dade a ɛnyɛ den no ani yɛ adwuma ma chromium element a ɛwɔ soro no yɛ kɛse, na ɛyɛ passivation film a ɛyɛ den, a ɛmma ɔhaw ahorow te sɛ pitting corrosion ne crevice corrosion a ɛwɔ dade a ɛnyɛ den mu bere a wɔde redi dwuma no ano yiye.
Nneɛma a wɔayɛ no boa ma wɔbɔ wɔn ho ban fi nsɛe ho
1. Yɛ nsɔano nhyehyɛe no yiye
Tew nsonsonoe ne anim a awu so:Fa ntease hyehyɛ bɔɔl valve no nsɔano nhyehyɛe no na ama nsu a ɛkora so wɔ valve no mu no so atew na wɔakwati sɛ mpaapaemu bɛhyew. Sɛ nhwɛso no, wɔde bɔɔl ne valve nkongua ho nhyehyɛe a ɛyɛ mmerɛw di dwuma na ama nsu no atumi atwam yiye, na ɛtew asiane a ɛwɔ hɔ sɛ ɛbɛtɔ fam na asɛe wɔ valve no mu no so. Wɔ nnuru a wɔde fa nsu mu mu no, saa bɔɔl valve a wɔayɛ no yiye yi betumi asiw nneɛma a ɛporɔw ano a ɛbɛboaboa ano wɔ nsonsonoe no mu na ɛtew sɛnea ebetumi asɛe no so.
Nneɛma titiriw a wɔde siesie nneɛma ne nneɛma a wɔde yɛ:Wɔde nsɔano nhyehyɛe a ɛwɔ ankasa-ahotew adwuma di dwuma, a wɔde nneɛma a wɔde sɔ nsɔano a ɛko tia nsɛe-ka ho, te sɛ PTFE nsɔano nkaa a anofafa nhyehyɛe wom a wɔde di dwuma wɔ bɔɔl valve ahorow bi mu, a ɛnyɛ sɛ ebetumi ama nsɔano adwumayɛ no ayɛ kɛse nko, na mmom ebetumi aprapra efĩ a ɛwɔ bɔɔl no ani nso wɔ bere a wɔrebue valve no ani na wɔato mu no mu na amma efĩ no anbata ho na ama asɛe.
2. Nsu a ɛkɔ nsu mu ne mframa a wɔde fi mu ho nhyehyɛe
Wɔde rational drainage holes ne exhaust holes sisi ball valve nhyehyɛe no mu sɛnea ɛbɛyɛ a wobeyi nsu a aboaboa ano ne gas a ɛba wɔ valve no mu esiane ɔhyew nsakrae, medium condensation, ne nea ɛkeka ho nti no afi hɔ wɔ bere ano, na amma nsu a aboaboa ano no ansɛe valve no mu afã horow no. Ball valve a ɛwɔ steam transmission pipeline no mu no ma nsu a ayɛ nwini fa tokuru a wɔde fa nsu mu no mu wɔ bere ano na amma nsu ansɛe valve no dade afã horow no na ahwɛ ahu sɛ valve no bɛyɛ adwuma sɛnea ɛsɛ.
1. Nhwehwɛmu a wɔyɛ no daa
Nhwehwɛmu a wɔyɛ wɔ sɛnea ɛte no ho:Daa hwɛ sɛ nsɛnkyerɛnneɛ bi wɔ hɔ a ɛkyerɛ sɛ bɔɔl valve no ani asɛe anaa, te sɛ nsensaneeɛ a ayɛ nwunu, coating shedding, ne nea ɛkeka ho.
Nhwehwɛmu a wɔyɛ wɔ emu:Daa paapae bɔɔl valve no mu hwɛ sɛ emu nneɛma te sɛ bɔɔl no, valve no nkongua, ne nsɔano no asɛe anaa. Sɛ wopɛ nneɛma a asɛe kɛse a, sesa wɔ bere ano. Wɔ petrochemical adwumayɛbea ahorow mu no, sɛnea sɛnea ade a wɔde yɛ adwuma no yɛ mmerɛw ne mpɛn dodow a wɔde di dwuma kyerɛ no, wɔyɛ bɔɔl no mu nhwehwɛmu kyinhyia a emu yɛ den na ama wɔahwɛ ahu sɛ valve no bɛyɛ adwuma dwoodwoo.
2. Ahotew ne nsiesie
Ahotew a ɛwɔ mfinimfini:Hwɛ sɛ ade a wɔde fa nneɛma no ho tew na tew efĩ a ɛwɔ afiri no mu a ɛbɛsɛe ne nea ɛbɛsɛe valve no so. Ɛdenam filters ne nnwinnade afoforo a wode besisi hɔ so no, yi efĩ nketenkete a ɛwɔ medium no mu no fi hɔ na tew efĩ a ɛwɔ sealing no ani ne nneɛma a ɛwɔ bɔɔl valve no mu no so. Wɔ adwuma a wɔyɛ nnuan mu no, sɛ woyi nsu a wɔde yɛ aduan no mu yiye ansa na wɔde afa bɔɔl valve no mu a, ebetumi abɔ valve no ho ban yiye.
Nneɛma a wɔde tew asase ani:Tew bɔɔl valve no ani daa na yi ade a ɛyɛ hyew a ɛbata soro no afi hɔ. Wɔ bɔɔl valve a wɔde di dwuma wɔ abɔnten anaa mmeae a ɛhɔ yɛ den ho no, wobetumi de nsu atuo a nhyɛso kɛse wom anaa nneɛma titiriw a wɔde tew ho adi dwuma de ahohoro bɔɔl valve no ani na ama ayɛ nea ɛho tew na asiane a ɛwɔ hɔ sɛ ɛbɛsɛe no so atew.
Srade a wɔde gu mu ne sɛnea wosiesie:Daa srade srade valve dua ne afã afoforo a ɛkeka bɔɔl valve no, de srade a ɛne medium ne valve nneɛma no hyia di dwuma, a ɛnyɛ sɛ ebetumi ahwɛ ahu sɛ valve no adwumayɛ yɛ mmerɛw nko, na mmom esiw nsɛe ano kodu baabi. Wɔ mfiridwuma mu nsu afiri nhyehyɛe mu no, sɛ wɔde srade ka bɔɔl valve dua no ho sɛnea nsiesie kyinhyia a wɔahyɛ no kyerɛ a, ebetumi atrɛw valve dua no nkwa nna mu na wɔahwɛ ahu sɛ wobebue valve no na wɔato mu sɛnea ɛsɛ.
Na anti-corrosion adwumayɛ ho bɔhyɛ a ɛyɛBall Valve Ne Nsa Twɛre yɛ adwuma a wɔayɛ no nhyehyɛe, efi nneɛma a wɔpaw no yiye, akwan a ɛkɔ akyiri a wɔfa so yɛ nneɛma a ɛwɔ soro a wɔde di dwuma, kosi adansi nhyehyɛe a ntease wom ne nsiesie a edi mũ so, nkitahodi biara wɔ abusuabɔ kɛse. Ɛdenam saa akwan horow a wɔfa so ko tia-nsɛe yi a yɛde bedi dwuma koraa nkutoo so na yebetumi ahwɛ ahu sɛ bɔɔl valve a ɛwɔ nsa ntwahonan no kɔ so yɛ adwuma pa a ɛko tia-nsɛe bere nyinaa wɔ adwumayɛ tebea ahorow a ɛyɛ den na emu yɛ den mu, ɛyɛ adwuma pintinn na wotumi de ho to so, na ɛka nsu a wɔde fa nneɛma ho nhyehyɛe ahorow akyi wɔ mfiridwuma mu nneɛma a wɔyɛ ne asetra mu asetra mu. Ɛnam sɛ nneɛma ho nyansahu ne mfiridwuma a wɔyɛ no kɔ so nya nkɔso nti, wogye di sɛ ball valves a nsa ntwahonan wom no adwumayɛ a ɛko tia-corrosion no bɛtu mpɔn bio daakye, na sɛnea wɔde bedi dwuma no bɛtrɛw kɛse.
