✧ Zolemba Zamalonda
● Mgolo umodzi wokhala ndi bypass kapena wapawiri.
● 10,000- mpaka 15,000-psi yogwira ntchito.
● Utumiki wotsekemera kapena wowawasa adavotera.
● Pulagi-vavu- kapena chipata-vavu-zochokera mapangidwe.
● Njira yothetsera kutaya koyendetsedwa ndi hydraulically.
Chotchera mapulagi ndi chipangizo chomwe chimagwiritsidwa ntchito m'makampani amafuta ndi gasi kuti azitha kuyang'anira zinyalala panthawi yobwerera ndi kuyeretsa. Zimathandiza kusefa zotsalira za mapulagi odzipatula, zidutswa za casing, simenti, ndi miyala yotayika kuchokera kumalo obowola.
Pali mitundu iwiri yodziwika bwino yamapulagi:
1. Mgolo umodzi wokhala ndi bypass: Mtundu uwu wa plug wotchera umakhala ndi mbiya imodzi ndipo umalola kusefa mosalekeza pazochitika za blowdown. Imatha kuthana ndi zovuta zogwira ntchito kuyambira 10,000 mpaka 15,000 psi ndipo ndizoyenera ntchito zonse zokoma ndi zowawasa.
2. Wapawiri mbiya: Mtundu wa pulagi catcher amapereka mosalekeza kusefera pa blowdown ntchito. Amakhala ndi migolo iwiri ndipo amapangidwa kuti azigwira ntchito zofanana. Monga mtundu wa mbiya imodzi, itha kugwiritsidwa ntchito potsekemera kapena wowawasa.
Mitundu yonse iwiri ya mapulagi amatha kukhala ndi mapulagi-valve-based or gate-valve-based designs. Kuonjezera apo, pali njira yopangira hydraulically controlled dumping, yomwe imapangitsanso kugwira ntchito kwa plug catcher.
Ponseponse, zomangira mapulagi ndi zida zofunika pakutsuka bwino chifukwa zimathandiza kusunga njira yowonekera pochotsa zinyalala zosafunikira.
