1. Phalla-E bua ka molumo kapa boima ba mokelikeli o fanoang kepompo ea metsika nako ea yuniti. E hlalositsoe ke Q, litekanyetso tse sebelisoang hangata ke m3/h, m3/s kapa L/s, t/h.
2.Hlooho-E bua ka matla a ntseng a eketseha a ho tsamaisa metsi ka matla a khoheli ho tloha ho inlet ho ea ho phallo ea pompo ea metsi, ke hore, matla a fumanoang ka mor'a hore metsi a nang le matla a khoheli a fete ka pompong ea metsi. E hlahisoa ke h, yuniti ke Nm/N, eo ka tloaelo e hlahisoang ke bophahamo ba kholomo ea mokelikeli moo mokelikeli o pompeloang teng; Ka linako tse ling boenjiniere bo hlahisoa ke khatello ea sepakapaka, 'me karolo ea molao ke kPa kapa MPa.
( Lintlha: Yuniti: m/p = ρ gh)
Ho latela tlhaloso:
H=Ed-Es
Ed-Energy ho yuniti e le 'ngoe boima ba mokelikeli ka lehlakoreng le ka ntle lapompo ea metsi;
Es-Energy ho boima ba yuniti ea mokelikeli ka har'a flange e kenang ea pompo ea metsi.
Ed=Z d + P d/ ρg + V2d /2g
Es=Z s+ Ps / ρg+V2s /2g
Hangata, hlooho holim'a nameplate ea pompo e lokela ho kenyelletsa likarolo tse peli tse latelang. Karolo e 'ngoe ke bophahamo bo ka lekanyetsoang ba sehlooho, ke hore, bophahamo bo emeng ho tloha holim'a metsi a letamo la ho kena ho ea holim'a metsi a letamo la ho tsoa. E tsejoa e le hlooho ea sebele, karolo ea eona ke tahlehelo ea ho hanyetsa tseleng ha metsi a feta phapeng, kahoo ha u khetha hlooho ea pompo, e lokela ho ba kakaretso ea hlooho ea sebele le tahlehelo ea hlooho, ke hore:
Mohlala oa lipalo tsa hlooho ea pompo
Haeba u batla ho fana ka metsi mohahong o phahameng, nka hore metsi a hona joale a pompo ke 50m.3/h, 'me bophahamo bo otlolohileng ho tloha holim'a metsi a letamo la metsi ho ea boemong bo phahameng ka ho fetisisa ba metsi a phano ke 54m, bolelele bohle ba pompo ea phano ea metsi ke 150m, bophara ba phala ke Ф80mm, e nang le belofo e le 'ngoe e tlase, belofo e le 'ngoe ea heke. valve e le 'ngoe e sa khutleng, le tse robeli tse 900 li kobeha ka r / d = z, hlooho ea pompo e kholo hakae ho finyella litlhoko?
Tharollo:
Ho tloha kenyelletsong e ka holimo, rea tseba hore hlooho ea pompo ke:
H =Hea sebele +H tahlehelo
Moo: H ke bophahamo bo otlolohileng ho tloha holim'a metsi a tanka e kenang ho ea boemong bo phahameng ka ho fetisisa bo fetisang metsi, ke hore: H.ea sebele=54m
Htahleheloke mefuta eohle ea tahlehelo e ntseng e tsoela pele, e baloang ka tsela e latelang:
Liphaephe tse tsebahalang tsa ho hula le ho ntša metsi, litsoe, li-valve, li-valve tse sa khutleng, li-valve tse ka tlase le li-diameter tse ling tsa liphaephe ke 80mm, kahoo sebaka sa eona sa sefapano ke:
Ha sekhahla sa phallo e le 50 m3/h (0.0139 m3/s), sekhahla se lekanang sa phallo ke:
Tahlehelo ea ho hanyetsa hammoho le bophara ba H, ho ea ka lintlha, ha sekhahla sa phallo ea metsi e le 2,76 m / s, tahlehelo ea phala ea tšepe e nang le mafome a 100 ke 13.1 m, e leng tlhokahalo ea morero ona oa phepelo ea metsi.
Tahlehelo ea phaephe ea drain, setsoe, valve, valve ea ho hlahloba le valve e ka tlase ke2.65m.
Hlooho ea lebelo bakeng sa ho ntša metsi ka nozzle:
Ka hona, kakaretso ea hlooho ea H ea pompo ke
H hlooho= H ea sebele + H tahlehelo e felletseng=54+19.65+2,65+0.388 = 76.692 (m)
Ha u khetha phepelo ea metsi a holimo-limo, pompo ea phepelo ea metsi e nang le phallo e seng ka tlase ho 50m3/ h le hlooho e seng ka tlase ho 77 (m) e lokela ho khethoa.
Nako ea poso: Dec-27-2023