Dɔlɛ Tsamɔ Gbɛjianɔtoo kɛha WCB Castings

WCB, ni ji carbon dade ni akɛwoɔ mli ni kɛ ASTM A216 Grade WCB lɛ kpãa gbee lɛ, tsɔɔ hulutsoo he nitsumɔ gbɛjianɔtoo ko ni ato he gbɛjianɔ koni enyɛ eshɛ tsɔne mli nibii ni he hiaa lɛ ahe, ŋwɛi ŋta ni yɔɔ shiŋŋ, kɛ hulutsoo he haomɔi ni teɔ shi ewoɔ lɛ. Atsɔɔ bɔ ni atsuɔ hulutsoo he nii ahaa WCB lɛ mli fitsofitso yɛ shishigbɛYD7A1X-16 Kpɔlɔ Valvenibii ni ajieɔ:

 

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lɛ1. Dɔlɛlɛ

• lɛNanihewɔ ni obajeŋ: Koni ajie hulutsoo ni yaa hiɛ lɛ shi ni akatswa yɛ be mli ni hulutsoo ni mli wa waa tsuɔ nii yɛ sɛɛ mli lɛ.
• lɛPrɔsɛss: Akɛ nibii ni akɛwoɔ mli lɛ woɔ la mli fiofio yɛ flɔnɔɔ ni akudɔɔ mli kɛyashɛɔ latsaa ni ji .300-400°C (572-752°F).
• lɛParamitai titrii: Akwɛɔ dɔlɛ mli yɛ50-100°C/ŋmɛlɛtswaa (90-180°F/ŋmɛlɛtswaa)koni akwɛ akɛ hulutsoo be lɛ mlijaa lɛ afee ekome.

 

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lɛ2. Austenitizing (nifeemɔ ni yɔɔ daa)lɛ

• lɛNanihewɔ ni obajeŋ: Koni afee nibii bibii lɛ ekome, atsake ŋmaa lɛ dalɛ, ni ajie carbides lɛ.
• lɛPrɔsɛss:
• Akɛ nibii ni akɛwoɔ mli lɛ woɔ la mli kɛyashɛɔ dɔlɛ ni haa mɔ tsui nyɔɔ emli ni ji890-940°C (1634-1724°F).
• Ahiɛ mli yɛ dɔlɛ nɛɛ mli kɛha1–2 ŋmɛlɛtswai yɛ 25 mm (1 inch) ni ji fã lɛ mli lɛ mlikoni ekwɛ akɛ fase tsakemɔ lɛ ba naagbee.
• Akɛwo kɔɔyɔɔ ni mli ejɔ mli (ni haa mɔ he jɔɔ) kɛyashɛɔ tsu mli dɔlɛ mli.

 

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lɛ3. Mlifulɛ

• lɛNanihewɔ ni obajeŋ: Koni ejie haomɔi ni eshwɛ lɛ, ni eha hewalɛ aya hiɛ, ni eha tsɔne bibioo lɛ ahi shi shiŋŋ.
• lɛPrɔsɛss:
• Beni afee lɛ bɔ ni sa lɛ, atsakeɔ nibii ni akɛwoɔ mli lɛ mli la kɛyashɛɔ latsaa ni mli edɔ waa ni ji590-720°C (1094-1328°F).
• Akɛwo mli yɛ dɔlɛ nɛɛ mli kɛyashiŋmɛlɛtswai 1–2 yɛ 25 mm (1 inch) ni mli tse lɛ mli.
• Akɛwoɔ kɔɔyɔɔ mli loo akɛwoɔ flɔnɔɔ mli yɛ gbɛ ni akudɔɔ nɔ koni akafee nɔnyɛɛ hee.

 

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lɛ4. Tsamɔ Sɛɛ Kwɛmɔlɛ

• lɛNanihewɔ ni obajeŋ: Koni akwɛ akɛ akɛ ASTM A216 mlai lɛ kpãa gbee.
• lɛPrɔsɛss:
• Tsɔne mli kaa (nɔkwɛmɔnɔ, hewalɛ ni tsiɔ nii, yibiiwoo hewalɛ, shifimɔ).
• Microstructural mlipɛimɔ koni ana nɔ kome kɛ tɔmɔi ni bɛ mli.
• Dimensional kwɛmɔ koni ama shidaamɔ nɔ mi yɛ dɔlɛ tsamɔ sɛɛ.

 

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lɛGbɛi ni esa akɛ ohala (Sane-pɔtɛɛ)lɛ

• lɛNɔ ni Ajieɔ Haomɔ He: Kɛha jiomɛtrii ni wa lɛ, abaanyɛ afee nɔnyɛɛ-hejɔɔmɔ sɛɛkuu kroko yɛ .600-650°C (1112-1202°F)koni ejie nɔnyɛɛi ni eshwɛ ni jɛɔ tsɔne loo tsɔne ni akɛwoɔ tsɔne mli lɛ mli baa lɛ.
• lɛKudɔmɔ ni Akudɔɔ: Kɛha tsɔnei ni akɛwoɔ fãi ni mli wa lɛ amli lɛ, abaanyɛ akɛ tsɔne ni haa hulutsoo lɛ yaa hiɛ fioo (tamɔ, hulutsoo ni yɔɔ flɔnɔɔ mli) atsu nii yɛ hulutsoo be mli koni ekɛha ductility lɛ aya hiɛ.

 

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lɛNibii Titrii ni Esa akɛ Asusu Helɛ

• lɛFurnace Kɔɔyɔɔ: Kɔɔyɔɔ ni bɛŋkɛɛɛ he loo ni haa kɔɔyɔɔ lɛ mli tseɔ fioo koni ekɛtsi decarburization naa.
• lɛTemperature ni Ekomefeemɔ: ±10°C tsuishitoo koni ana nɔ ni jɛɔ mli baa lɛ daa.
• lɛWoji ahe nitsumɔ: Nibii ni kɔɔ hulutsoo he lɛ ahe nibii ni akwɛɔ mli jogbaŋŋ (be, hulutsoo, hulutsoo be) kɛha nɔmimaa ni hi jogbaŋŋ.

 

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Gbɛ nɛɛ haa anáa nɔmimaaTWS valve ni yɔɔ ŋwɛigbɛgbɔmɔtsoD341B1X-16yɛ WCB castings lɛ mli lɛ, amɛshɛɔ ASTM A216 taomɔ nii ni kɔɔ tsɔne ni akɛtsiɔ nii ahe (≥485 MPa), yibiiwoo hewalɛ (≥250 MPa), kɛ sɛɛkuu (≥22%) he lɛ he, ni no haa amɛfeɔ nɔ ni sa kɛha hulutsoo kɛ nɔnyɛɛ nitsumɔi yɛ valves, pɔmpii, kɛ paipii gbɛjianɔtoi amli.

KɛjɛTWS VALV, mɔ ko ni yɔɔ niiashikpamɔ yɛ nibii afeemɔ mlirɔbɔt ni ta shi yɛ ŋwɛi ŋmei valve lɛ mli YD37A1X, shinaa naa valve, Y-strainer feemɔ.