Gabatarwa ga sharuɗɗan famfo gama gari (5) - Dokar yankan famfo

Sashe na huɗu Mai canzawa-diamita aiki na fanfo vane

Aiki mai canzawa-diamita yana nufin yanke wani ɓangare na ainihin mai kunna famfo vane akan lathe tare da diamita na waje.Bayan an yanke impeller, aikin famfo zai canza bisa ga wasu dokoki, don haka canza wurin aiki na famfo .

Dokar yanke

A cikin takamaiman kewayon yankan adadin, ingancin famfo na ruwa kafin da kuma bayan yankan ana iya ɗaukarsa azaman canzawa.

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tsira (1)

Matsalolin da ke buƙatar kulawa a yankan impeller

Akwai ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun adadin na'urar, in ba haka ba za a lalata tsarin magudanar ruwa, kuma ƙarshen bakin ruwa zai yi kauri, kuma sharewar da ke tsakanin na'urar da tukunyar famfo zai ƙaru, wanda zai haɓaka. sa ingancin famfo ya ragu da yawa.Matsakaicin adadin yankan impeller yana da alaƙa da takamaiman gudun.

tsira (2)

Yanke impeller na famfo ruwa wata hanya ce don magance sabani tsakanin iyakance nau'in famfo da ƙayyadaddun abubuwa da bambancin abubuwan samar da ruwa, wanda ke faɗaɗa kewayon aikace-aikacen famfon ruwa.Matsakaicin aiki na famfo yawanci sashin lanƙwasa ne inda mafi girman ingancin famfo ya ragu da ƙasa da 5% ~ 8%.

Misali:

Samfura: SLW50-200B

Diamita na waje: 165 mm, kai: 36m.

Idan muka juya waje diamita na impeller zuwa: 155 mm

H155/H165= (155/165)2 = 0.852 = 0.88

H (155) = 36x 0.88m = 31.68m

Don taƙaitawa, lokacin da aka yanke diamita na irin wannan nau'in famfo zuwa 155mm, kai zai iya kaiwa 31 m.

Bayanan kula:

A aikace, lokacin da adadin ruwan wukake ya ƙanƙanta, shugaban da aka canza ya fi wanda aka ƙididdige girma.


Lokacin aikawa: Janairu-12-2024