Ama-valve ovemvane ayizici ezibalulekile ekusebenzeni okuhlukahlukene kwezimboni. Zinomsebenzi wokuvala uketshezi nokulawula ukugeleza. Ngakho ukwazi isimo samavalve ovemvane phakathi nokusebenza—kungakhathaliseki ukuthi avuliwe noma avaliwe—kubalulekile ekusetshenzisweni ngokuphumelelayo nasekunakekeleni kwawo.
Ukunquma ukuthi i-valve uvemvane ivulekile noma ivaliwe kuncike ngokuyinhloko ekuboneni nasezikhombi. Uma i-actuator ingesona isibambo, indlela i-valve plate ehamba ngayo phezulu naphansi ihlukile kwamanye ama-valve esango elikhuphukayo namavalvu eglobhu (ama-valve esango le-stem akhuphukayo adinga kuphela ukubheka ukuphakama kwesiqu se-valve ukuze kunqunywe indawo yepuleti le-valve). Ama-valve ovemvane ahlukile I-disc ye-valve ingazungezisa 0-90° emzimbeni wevalvu ukuze iguqule ukugeleza koketshezi.
Nansi indlela yokubona indawo yepuleti levemvane levalve uvemvane:
1. I-Visual inspection-toothed disc:
Amavalvu ovemvane amancane, DN ≤ 250, angahlonywa ngezibambo namadiski anamazinyo. Njengoba igama liphakamisa, i-toothed disc ngokuvamile inezikali eziyi-10, eyokuqala ivalwe ngokugcwele, kanti eyokugcina ivuleke ngokugcwele.
Isikhundla esivulekile: Uma ivuliwe ngokugcwele, i-valve disc ihambisana nesiqondiso sokugeleza, okuvumela isiteshi samanzi ukuba singavinjelwa.
Indawo evaliwe: Esimeni esivaliwe, i-valve disc yenza ukuvinjelwa okuqondile oketshezini futhi imise ukunyakaza koketshezi.
2. Inkomba yesikhundla:
Ama-valve amaningi ovemvane afakwe izinkomba zangaphandle njengemicibisholo noma izimpawu ekhanda le-turbine. Lezi zinkomba zihambisana nezimpawu ezithile ezibonisa indawo yevalvu.
3. Isignali yempendulo:
Ezinhlelweni ezithuthukisiwe, amasiginali wempendulo avela kuzinzwa noma amaswishi ahlanganiswa kumshini wevalvu, anikeze ulwazi lwesikhathi sangempela mayelana nesimo sevalvu.
4. Ukuqapha okukude:
Ukufakwa kwezimboni zesimanje kungase kusebenzise amasistimu okuqapha akude avumela opharetha ukuthi bahlole bekude isimo samavalvu ovemvane futhi bathuthukise ukulawula nokugadwa.
Ukuqinisekisa ukuma kwe-valve uvemvane kubalulekile ekugcineni ubuqotho benqubo, ukuvimbela ukuvuza kanye nokwenza kahle ukusebenza kahle. Izinqubo zokuhlola nokugcinwa njalo kufanele zifake ukuqinisekiswa kwesimo sala ma-valve ukuze kuncishiswe ingozi nokugcina ukusebenza kwesistimu.
Ukufingqa, ukukhomba ukuthi i-valve uvemvane ivuliwe noma ivaliwe ikakhulukazi kuncike ezinkomba ezibukwayo nezobuchwepheshe. Ukuqonda lezi zinkomba kubalulekile ekulawuleni ngempumelelo ama-valve kanye nokusebenza kwezimboni.
Isikhathi sokuthumela: Feb-21-2024