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Hydraulic ʻekolu ala valve no ka hoʻolako wai o ka mea hoʻomehana kiʻekiʻe

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ʻAno ʻEkolu ala pāpaʻi
Hoʻohālike F763Y-2500LB, F763Y-320, F763Y-420
Anawaena inoa inoa DN 350-650

I ka hana maʻamau o ka mea hoʻomehana wela kiʻekiʻe o 600 a 1,000MW supercritical (ultra-supercritical) thermal power unit, ua wehe ʻia ke ala nui o ka valve ʻekolu ala i ka inlet heat pressure kiʻekiʻe a pani ʻia ka bypass. ʻO ka wai o ka paila e komo i ka mea hoʻomehana kiʻekiʻe mai ke ala nui ma mua o ke komoʻana i ka paila ma o ka valveʻekolu ala ma ka puka wela kiʻekiʻe.

  1. Hoʻohana ke kino valve a me ka pāpale i ka hoʻolālā kila i hoʻopaʻa ʻia.
  2. ʻO ke ʻano hoʻopaʻa ʻana o ke kino valve a me ka pāpale e hoʻohana i ke ʻano hoʻopaʻa paʻa ponoʻī.
  3. Aia ma luna o ka pahu pahu he wai hoʻoheheʻe wai a me nā lua wai a ua kūkulu ʻia ka piston i loko o ka pāpale valve.
  4. Hoʻopaʻa ʻia nā ʻili o ka noho kiwi a me ka diski i ka Stellite No. 6 alloy spray welding.
  5. Hoʻopili ka bypass sealing i ke ʻano sealing e hoʻohui ana i ka PTFE elastic energy storage ring a me perfluoro O-ring.
  6. ʻO nā mea throttle i loko o ka inlet ʻekolu-way valve bypass a me ka noho valve luna e hoʻohana i ka hoʻolālā hoʻohui ʻia a ʻaʻole koi i ka puka throttle hou aʻe.

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