Shinaa Valve: Shinaa valve ji valve ni kɛ shinaa (shinaa plɛte) tsuɔ nii ni ekɛyaa ŋwɛigbɛ yɛ gbɛjegbɛ lɛ ŋwɛigbɛ. Akɛtsuɔ nii titri yɛ paipii amli kɛha tsɔne lɛ mli nibii ni ajieɔ kɛjɛɔ mli lɛ, ni ji, ni agbeleɔ kwraa loo ni agbeleɔ kwraa. Yɛ gbɛ ni waaa nɔ lɛ, shinaa naa valves lɛ esaaa kɛha nu ni hoɔ lɛ he gbɛjianɔtoo. Abaanyɛ akɛtsu nii kɛha hulutsoo ni baa shi kɛ hulutsoo ni yaa hiɛ kɛ nɔnyɛɛ nitsumɔi fɛɛ, ni enɛ damɔ valve nibii lɛ anɔ.
Shi kɛlɛ, akɛ gate valves tsuuu nii yɛ paipii ni kɛ sũ loo nibii krokomɛi ni tamɔ nakai yaa lɛ amli.
Sɛɛnamɔi:
Nu ni tsiɔ nii anaa ni baa shi.
Ebiɔ torque bibioo kɛha gbelemɔ kɛ naagbee.
Abaanyɛ akɛtsu nii yɛ gbɛi enyɔ nɔ ni hoɔ, ni ehaa nɔ ni yɔɔ mli lɛ hoɔ yɛ gbɛi enyɔ lɛ fɛɛ nɔ.
Kɛji akɛ agbele kwraa lɛ, nɔ ni akɛfiɔ naa lɛ nɔ lɛ nyɛɛɛ atswa kɛjɛ nitsumɔ mli nibii amli kɛ akɛto globe valves ahe.
Gbɛjianɔtoo ni yɔɔ mlɛo kɛ nifeemɔ gbɛjianɔtoo kpakpa.
Gbɛjianɔtoo ni yɔɔ kuku lɛ kɛlɛ.
Sɛɛnamɔi:
Agbo kɛ he ni akɛwoɔ mli he hia.
Nibii ni akɛwoɔ mli lɛ ateŋ nɔ ni fe fɛɛ kɛ fitemɔ ni yaa hiɛ yɛ be mli ni agbeleɔ kɛ be mli ni agbeɔ naa lɛ, titri lɛ yɛ hulutsoo be ni mli wa mli.
Bei pii lɛ, shinaa valves lɛ yɛ hei enyɔ ni akɛfiɔ he, ni baanyɛ aha naagbai ni yɔɔ nitsumɔ, ŋmɔlɔ, kɛ ekwɛmɔ mli lɛ aya hiɛ.
Be ni akɛgbeleɔ kɛ naagbee be lɛ sɛɛ tsɛɔ.
Kpɔlɔ Valve: Butterfly valve ji valve ko ni kɛ nɔ ko ni tamɔ diski ni akɛkpaa nu lɛ tsuɔ nii ni ekɛtsiɔ ehe aaafee digrii 90 koni ekɛgbele, eŋa, ni ekwɛ bɔ ni nu lɛ hoɔ ehaa lɛ nɔ.
Sɛɛnamɔi:
Ehe gbɛjianɔtoo lɛ yɛ mlɛo, elɛɛmɔ ji bibioo, etsiimɔ waaa, ni ekɛ nibii babaoo tsuuu nii, ni no haa ehiɔ kɛha valvɛi ni dalɛ yɔɔ ŋwɛi.
Oya ni agbeleɔ kɛ naagbee kɛ shwiemɔ ni baa shi.
Ebaanyɛ etsu adafitswaa woji ni yɔɔ nibii bibii ni wa ni ŋmɛɔ shi lɛ ahe nii, ni abaanyɛ akɛtsu nii kɛha adafitswaa woji ni tamɔ powder kɛ granular ni damɔ hewalɛ ni yɔɔ ŋwɛi ni akɛfiɔ nii ahe lɛ nɔ.
Ehi kɛha gbɛi enyɔ gbelemɔ, ŋamɔ, kɛ gbɛjianɔtoo yɛ kɔɔyɔɔ kɛ sũ jiemɔ paipii amli. Akɛtsuɔ nii babaoo yɛ dadefeemɔ, tsɔnei ni akɛtsuɔ nii yɛ tsɔne mli, hewalɛ, kɛ petrokemikal gbɛjianɔtoi amli kɛha gas paipii kɛ nu gbɛi.
Sɛɛnamɔi:
Flow mlai ahe gbɛjianɔtoo ni yɔɔ husu; kɛji akɛ valve lɛ gbele kɛ 30% lɛ, nu ni hoɔ lɛ baaho 95%.
Ehiii kɛha paipii ni mli edɔ waa kɛ tsɔnei ni mli wa waa lɛ ahe gbɛjianɔtoo yɛ husui ni yɔɔ gbɛjianɔtoo kɛ nibii ni akɛfiɔ he lɛ ahewɔ. Yɛ gbɛ ni waaa nɔ lɛ, etsuɔ nii yɛ hulutsoo be ni shɛɛɛ 300°C kɛ PN40 loo nɔ ni shɛɛɛ shishi lɛ mli.
Nitsumɔ ni ehiii kwraa kɛ akɛto bɔɔlu valves kɛ globe valves ahe, no hewɔ lɛ ehiii kɛha nitsumɔi ni he hiaa waa.
Ball Valve: Ajieɔ bɔɔlu valve kɛjɛɔ plɔg valve mli, ni nɔ ni akɛkpaa lɛ ji ŋwɛi ŋta ni bɔleɔ ŋwɛi ŋta ni ji 90 degrees lɛ he.valvstem koni anyɛ ashɛ gbelemɔ kɛ naagbee he. Akɛ bɔɔlu valve tsuɔ nii titri yɛ paipii amli kɛha ŋmɛlɛtswaa, mlijaa, kɛ gbɛ ni hoɔ lɛ tsakemɔ. Ball valves ni yɔɔ V-shaped ŋmeii lɛ hu yɛ nyɛmɔ ni hi ni amɛkɛbaakwɛ bɔ ni nu lɛ hoɔ ehaa lɛ nɔ.
Sɛɛnamɔi:
Shitee-kɛ-woo ni baa shi fioo (aaafee efolo).
Nitsumɔ ni anyɛɔ akɛ he fɔ̃ɔ nɔ yɛ nibii ni fiteɔ nii kɛ nu ni mli edɔ fioo mli ejaakɛ ekɛ ehe kpaaa gbee yɛ nitsumɔ be mli (ni mu bɛ mli).
Eshɛɔ naatsii ni yeɔ emuu yɛ nɔnyɛɛ kɛ latsaa srɔtoi babaoo mli.
Oya ni agbeleɔ kɛ naagbee, kɛ tsɔnei komɛi ni agbeleɔ/agbeɔ be kuku tamɔ sɛkɛndii 0.05 kɛyashi 0.1, ni sa kɛha otomashin gbɛjianɔtoi ni yɔɔ kaa sɛii amli ni nɔ ko bɛ he yɛ nitsumɔ be mli.
Otomatik shihilɛ yɛ husu he kɛ bɔɔlu naagbee nii.
Nɔ ni anyɛɔ akɛ he fɔ̃ɔ nɔ ni akɛwoɔ nitsumɔ mli lɛ afãi enyɔ lɛ fɛɛ nɔ.
Nɔ ni jɛɔ oyaiyeli adafitswaa woji amli lɛ mli fitemɔ ko bɛ kɛji agbele loo agbe naa kwraa.
Eyɛ mlɛo ni ehiɛ waaa, ni no haa efeɔ valve gbɛjianɔtoo ni sa fe fɛɛ kɛha adafitswaa gbɛjianɔtoi ni hulutsoo be baa shi lɛ.
Symmetrical valve gbɔmɔtso, titri lɛ yɛ welded valve gbɔmɔtso lɛ mli lɛ, baanyɛ adamɔ nɔnyɛɛ ni jɛɔ paipii amli lɛ naa.
Nibii ni akɛkpaa lɛ baanyɛ adamɔ nɔnyɛɛ srɔtofeemɔi ni yɔɔ ŋwɛi lɛ anaa yɛ be mli ni agbeɔ naa lɛ. Abaanyɛ afu bɔɔlu valvɛi ni akɛ weld ewo mli kwraa lɛ awo shikpɔŋ shishi, ni ekwɛ koni emli nibii lɛ akafite, ni amɛhiɔ shi fe afii 30, ni no haa amɛfeɔ nɔ ni hi jogbaŋŋ kɛha mu kɛ gas paipii.
Sɛɛnamɔi:
Nɔ titri ni akɛfiɔ bɔɔlu valve he ji polytetrafluoroethylene (PTFE), ni nɔ ni miihe ashɛ tsofai fɛɛ nyɛɛɛ atsu nii ni eyɛ sui ni mli kwɔ tamɔ gbee ni baa shi, nitsumɔ ni yɔɔ shiŋŋ, shitee-kɛ-woo kɛha dalɛ, hulutsoo be ni sa jogbaŋŋ, kɛ nitsumɔ ni hi jogbaŋŋ ni akɛfiɔ naa.
Shi, gbɔmɔtsoŋ nibii ni yɔɔ PTFE mli, ni nɔ ni fata he ji bɔ ni egbɛɔ eshwaa babaoo, bɔ ni enuɔ he ehaa fɛ̃i ni hoɔ, kɛ bɔ ni ekɛ la ni mli edɔ lɛ tsuuu nii jogbaŋŋ lɛ, biɔ ni afee sɛii ni akɛwoɔ tsɔne mli lɛ ahe mfoniri yɛ nɛkɛ sui nɛɛ anɔ. No hewɔ lɛ, kɛ́ nɔ ni akɛfiɔ naa lɛ bafee nɔ ni wa lɛ, bɔ ni anyɛɔ akɛ he fɔ̃ɔ nɔ ni akɛfiɔ naa lɛ nɔ lɛ baa shi.
Agbɛnɛ hu, PTFE lɛ yɛ hulutsoo ni baa shi ni abaanyɛ akɛtsu nii yɛ 180°C shishi pɛ. Kɛho nɛkɛ hulutsoo be nɛɛ he lɛ, nɔ ni akɛfiɔ naa lɛ baagbɔ. Kɛji akɛ asusu be kakadaŋŋ ni akɛtsuɔ nii lɛ he lɛ, bei pii lɛ akɛtsuuu nii kɛtekeɔ 120°C.
Egbɛjianɔtoo nitsumɔ lɛ baa shi kwraa fe globe valve, titri lɛ pneumatic valves (loo tsɔne ni akɛtswaa tsɔne).
Globe Valve: Etsɔɔ valve ko ni nɔ ni akɛkpaa nii (valve disc) lɛ nyiɛɔ sɛi lɛ teŋgbɛ line lɛ nɔ. Srɔtofeemɔ ni yɔɔ sɛi lɛ mli lɛ kɛ valve disc lɛ gbɛfaa lɛ kpãa gbee tɛ̃ɛ. Yɛ nɛkɛ valve nɛɛ gbelemɔ kɛ naagbee gbɛfaa kuku kɛ e-shut-off nitsumɔ ni anyɛɔ akɛ he fɔ̃ɔ nɔ lɛ hewɔ lɛ, kɛ wekukpaa ni kã sɛi lɛ mli ŋwɛi ŋta lɛ tsakemɔ kɛ valve disc lɛ gbɛfaa lɛ teŋ lɛ hewɔ lɛ, ehi jogbaŋŋ kɛha nu ni hoɔ lɛ he gbɛjianɔtoo. No hewɔ lɛ, bei pii lɛ, akɛ valve nɛɛ tsuɔ nii kɛgbeɔ tsɔne lɛ naa, ekɛtoɔ tsɔne lɛ he gbɛjianɔ, ni ekɛ tsɔne lɛ tsiɔ tsɔne lɛ naa.
Sɛɛnamɔi:
Yɛ be mli ni agbeleɔ kɛ agbeleɔ lɛ, hewalɛ ni yɔɔ valve diski lɛ kɛ valve gbɔmɔtso lɛ nɔ ni tsiɔ naa lɛ teŋ lɛ faaa fe shinaa valve lɛ nɔ, ni no haa enyɛɔ efiteɔ.
Bei pii lɛ, ŋwɛi ŋta ni agbeleɔ lɛ ji sɛi lɛ gbɛ lɛ mlijaa 1/4 pɛ, ni no haa efeɔ bibioo kwraa fe shinaa naa valve.
Bei pii lɛ, nɔ kome pɛ yɔɔ valve lɛ gbɔmɔtso lɛ kɛ valve lɛ diski lɛ nɔ, ni no haa efeemɔ kɛ esaamɔ feɔ mlɛo.
Eyɛ hewalɛ ni ekɛteɔ shi ewoɔ hulutsoo be lɛ ejaakɛ bei pii lɛ, asbestos kɛ graphite ni akɛfutuɔ nɔ ni akɛwoɔ mli lɛ ji nɔ ni akɛwoɔ mli. Akɛ globe valves tsuɔ nii kɛfeɔ steam valves.
Sɛɛnamɔi:
Yɛ tsakemɔ ni baa gbɛ ni tsɔne lɛ hoɔ kɛtsɔɔ valve lɛ nɔ lɛ mli lɛ hewɔ lɛ, globe valve ko mli nu ni hoɔ lɛ he hewalɛ ni baa shi fe fɛɛ lɛ fa fe valve henɔi krokomɛi babaoo lɛ.
Akɛni strok lɛ sɛɛ tsɛɔ hewɔ lɛ, oyaiyeli ni akɛgbeleɔ lɛ yaa hiɛ fioo kɛ akɛto bɔɔlu valve he.
Plug Valve: Etsɔɔ valve ni tsɔɔ ehe ni nɔ ko ni akɛkpaa lɛ yɔɔ mli ni tamɔ cylinder loo cone plug. Akɛ valve plɔg ni yɔɔ plɔg valve lɛ nɔ lɛ shwieɔ shi digrii 90 koni ekɛtsa loo egbala gbɛ ni yɔɔ valve lɛ gbɔmɔtso lɛ nɔ lɛ mli, ni no haa valve lɛ gbelemɔ loo egbelemɔ baa. Valve plɔg lɛ su baanyɛ afee tsilinda loo konik. Eshishitoo mla lɛ tamɔ bɔɔlu valve, ni akɛfee yɛ plɔg valve lɛ nɔ, ni akɛtsuɔ nii titri yɛ mu ŋmɔji amli nitsumɔ kɛ agbɛnɛ hu petrokemikal nitsumɔhei.
Shweshweeshwefeemɔ Valve: Etsuɔ nii akɛ nɔ ko ni buɔ tsɔnei, nibii ni akɛtsuɔ nii, loo paipii ni mli wa fe nine lɛ ahe. Kɛji akɛ hewalɛ ni yɔɔ nibii ni akɛtsuɔ nii lɛ, tsɔne lɛ mli, loo paipii lɛ mli lɛ fe bɔ ni aŋmɛ gbɛ lɛ, valve lɛ gbeleɔ ehe koni ejie hewalɛ fɛɛ ni yɔɔ mli lɛ, ni no tsiɔ hewalɛ ni yaa hiɛ lɛ naa. Kɛji akɛ tsɔne lɛ mli hewalɛ ba shi kɛyashɛ he ni atsɔɔ lɛ, esa akɛ valve lɛ diɛŋtsɛ agbe ehe oya koni ebu nibii ni akɛtsuɔ nii lɛ, tsɔne lɛ, loo paipii lɛ nitsumɔ he shweshweeshwe.
Steam Trap: Yɛ steam, kɔɔyɔɔ ni atswa, kɛ nibii krokomɛi ni akɛyaa he kroko lɛ mli lɛ, nu ni mli edɔ baa. Bɔni afee ni tsɔne lɛ atsu nii jogbaŋŋ ni ehi shi shweshweeshwe lɛ, ehe miihia ni ajie nɛkɛ nibii ni he ehiaaa ni yeɔ mɔ awui nɛɛ yɛ be ni sa mli koni tsɔne lɛ ni akɛtsuɔ nii kɛ nitsumɔ aya nɔ ahi shi. Eyɛ nitsumɔi ni nyiɛ sɛɛ nɛɛ: (1) Ebaanyɛ ejie nu ni mli edɔ ni jɛɔ mli baa lɛ oya. (2) Etsiɔ lasu ni hoɔ lɛ naa. (3) Ejieɔ.
Pressure Reducing Valve: Eji valve ko ni haa tsɔne ni boteɔ mli lɛ mli hewalɛ baa shi kɛyashɛɔ tsɔne ni jeɔ kpo lɛ mli hewalɛ ni ataoɔ lɛ nɔ kɛtsɔ tsakemɔ nɔ, ni ekɛ ehe fɔ̃ɔ tsɔne lɛ diɛŋtsɛ hewalɛ nɔ koni ekɛha tsɔne lɛ mli tsɔne lɛ mli hewalɛ ahi shi shiŋŋ.
Kwɛmɔ Valve lɛ: Ale lɛ hu akɛ valve ni sɛɛ efooo, nɔ ni tsiɔ sɛɛkuu naa, sɛɛkuu valve, loo gbɛ kome valve. Hewalɛ ni jɛɔ tsɔne ni hoɔ yɛ paipii lɛ mli lɛ mli lɛ haa valvɛi nɛɛ gbeleɔ amɛ diɛŋtsɛ amɛhe ni amɛŋaa, ni no haa amɛfeɔ valvɛ ko ni tsuɔ nii diɛŋtsɛ. Akɛ check valves tsuɔ nii yɛ paipii gbɛjianɔtoi amli ni amɛnitsumɔi titri ji ni amɛtsi sɛɛkuu ni hoɔ yɛ teŋgbɛ lɛ naa, amɛtsi pɔmpii kɛ tsɔnei ni kudɔɔ tsɔnei lɛ asɛɛkuu naa, ni amɛjie tsɔnei ni akɛwoɔ mli lɛ amli tsɔnei lɛ. Abaanyɛ akɛ check valves hu atsu nii yɛ paipii ni kɛ yelikɛbuamɔ gbɛjianɔtoi haa lɛ anɔ yɛ he ni tsɔne lɛ mli hewalɛ baanyɛ aya hiɛ fe gbɛjianɔtoo lɛ mli hewalɛ lɛ. Abaanyɛ aja amɛ mli titri awo rotary type (ni tsiɔ ehe kɛtsɔɔ ŋwɛi hewalɛ ni tsiɔ nii kɛbaa shikpɔŋ lɛ teŋgbɛ lɛ nɔ) kɛ lift type (ni tsiɔ ehe kɛtsɔɔ axis lɛ nɔ).
Be ni akɛbaatsu nii: Otukwajaŋ-03-2023
