Hobane ts'ebeliso ea pompo ea slurry e atile haholo, mofuta oa mokelikeli o fetisetsoang ka linako tse ling hape ke phapang e kholo, maemo a fapaneng a mosebetsi a na le litlhoko tse fapaneng tsa phallo ea pompo le khatello, e le ho fihlela litlhoko tsa ts'ebetso ea pompo libakeng tse fapaneng. , ho na le mefuta e mengata ea pompo, hangata e ka aroloa ho ea ka molao-motheo oa ho sebetsa oa pompo, 'me tšebeliso ea eona e ka fana ka phahamiso. Ho ea ka molao-motheo o sebetsang oa pompo e ka aroloa ka pompo e ntle ea ho falla, pompo ea vane le mefuta e meng ea lipompo tsa mefuta e meraro
Positive displacement pumps li itšetlehile ka liphetoho tsa molumo nako le nako tse hlahisoang ho sebetsa ha molumo oa metsi le ho ntša metsi, ha molumo oa mosebetsi o ntse o eketseha, mokelikeli oa pompo o monyang; ha e fokotseha, pompo e ntša metsi. Litšobotsi tsa kinematic ho latela mosebetsi oa mofuta ona Li ka lehlakoreng le leng li arotsoe ka:
1. Mokhoa oa ho sebetsa oa pompo o khutlisetsang morao bakeng sa motsamao o phetoang. Mofuta ona oa pompo ke pompo ea piston, piston, chestnut ea diaphragm joalo-joalo.
2.Lisebelisoa tsa mosebetsi oa lipompo tsa Rotary bakeng sa ho potoloha ha axis e tsitsitseng. Mofuta ona oa pompo ke pompo ea gear, pompo ea screw,indasteri ea pompo ea lehlohlojanelipompo tse thellang.
Li-chestnut tsa Vane li itšetleha ka potoloho e le 'ngoe kapa tse' maloa tse phahameng ka lebelo la impeller ho khothaletsa phallo ea mokelikeli, ho fihlela lipalangoang tsa metsi. Ho latela mokelikeli o tseleng ea phallo ea pompo ea vane pompo e arotsoe ka:
1.Pump fluid e phallang ka mokhoa o feteletseng ka pompong, matla a sutumelletsang metsi a phallang ha matla a centrifugal a hlahisoang ke ho potoloha ha impeller.
(2) Axial fluid e phalla ka axially ka pompo, matla a sutumelletsang metsi a phallang axial thrust a hlahisoang ha ho potoloha.
3. Mokelikeli oa pompo o phallang ka har'a pompo o phalla ho ea pompong ea pompo ka lehlakoreng le itseng, matla a sutumelletsang phallo ea metsi ha matla a centrifugal a hlahisoang ke ho potoloha ha impeller le axial thrust force.
4 - Mokelikeli oa pompo ea Vortex ka pompong bakeng sa phallo e otlolohileng ea vortex, ho itšetleha ka ho potoloha ha impeller ho khothaletsa li-vortices tse hlahisoang ke motsamao oa mokelikeli le mokelikeli o tsoang.
Mefuta e meng ea lipompo hangata e itšetlehile ka mokelikeli o mong (mokelikeli, khase) matla kapa kinetic energy hydrostatic transmission fluid. Kahoo, hape e bitsoa pompo ea hydrodynamic, joalo ka lipompo tsa jet, li-chestnut tsa metsi, joalo-joalo hamore.
Mekhahlelo ea mantlha ea thepa ea mantlha ea pompo ea lehlohlojane e na le tse latelang:
1, ho phalla ha Q
Phallo ke palo ea pompo ea lehlohlojane e mokelikeli nakong ea ho fana ka yuniti (bolumo kapa boleng).
Phallo ea molumo le Q e boletse, yuniti ke: m3/s, m3/h, l/s joalo-joalo.
Phallo ea boima le Qm e boletse, yuniti ke: t/h, kg/s.
Kamano pakeng tsa phallo ea boima le phallo ea molumo bakeng sa:
Qm=r Q
Ka foromo ρ - segokanyipalo sa mokelikeli (kg/m3, t/m3), mocheso o tloaelehileng metsi P =1000kg/m3.
2, hlooho ea H
The head is the unit weight of the liquid gravel pompo pumping imported from the gravel pompo (inlet flange gravel pump) to the gravel at outlet of the pompo (pompo outlet flange gravel) energy increment. Matla a sebetsang ke mokelikeli oa Newtonian o fumanoang ka pompo ea lehlohlojane. Yuniti ke N? m/N=m, bolelele ba mokelikeli o pompang metsi kholomong ea lehlohlojane, mekhoa, e bitsoang M.
3, lebelo n
Lebelo ke lebelo la yuniti ea nako ea pompo ea lehlohlojane, e hlalosoang ke letšoao n, yuniti ea r/min.
4, NPSH NPSH
NPSH e boetse e bitsoa net positive suction head, e hlahisoa haholo-holo likarolo tsa ts'ebetso ea cavitation. NPSH ts'ebelisong ea lapeng Δ H.
kg/m3)
5, matla le katlehoKhetho ea motheo ea pompo ea slurry
Matla a pompo ea lehlohlojane hangata a bua ka matla a ho kenya, e leng tšusumetso ea pele e tlileng ka matla a pompo ea lehlohlojane, ka hona e boetse e bitsoa matla a shaft, a emeloa ke P;
Pompo ea lehlohlojane e sebetsang e boetse e bitsoa matla a tsoang, a emeloang ke Pe. Ke yuniti e sebetsang ea nako ea matla ho tsoa ho phano ea pompo ea lehlohlojane ho tsoa mokelikeli o ka pompong ea lehlohlojane.
Hobane lift ke sesebelisoa se sebetsang sa pompo ea lehlohlojane se tsoang pompong ea boima bo tsoang pompong ea lehlohlojane, kahoo hlooho le sekhahla sa phallo ea bongata le ho potlakisa matla a khoheli, ke karolo ea nako ho tsoa ho pompo ea lehlohlojane e tsoang mokelikeli o fumanoeng matla a sebetsang - e leng katleho ea pompo ea lehlohlojane. matla:
Pe= ρ gQH (W) = gamma QH (W) foromo ρ density — mokelikeli oa pompo ea lehlohlojane (kg/m3);
Gamma e matla - mokelikeli oa pompo ea lehlohlojane (N/m3);
Q - phallo ea pompo ea lehlohlojane (m3 / s);
H - hlooho ea pompo ea lehlohlojane (m);
G - ho potlakisa matla a khoheli (m/s2).
Shaft power P le power Pe ea tahlehelo ea matla ea pompo ea lehlohlojane, boholo ba tekanyo ea pompo ea lehlohlojane e sebetsang hantle. Bokhoni ba pompo ea lehlohlojane joalo ka karolelano ea matla a matla le shaft, ho sebelisoa η.
Nako ea poso: Jul-13-2021