N'ihi na ojiji nke slurry mgbapụta dị nnọọ ukwuu, ọdịdị nke mmiri mmiri na-ebufe mgbe ụfọdụ bụkwa nnukwu ọdịiche, ọnọdụ ọrụ dị iche iche nwere ihe dị iche iche chọrọ nke mgbapụta mgbapụta na nrụgide, iji mezuo ihe achọrọ nke mgbapụta mgbapụta na ebe dị iche iche. , e nwere ọtụtụ ụdị mgbapụta, na-emekarị nwere ike nkewa dị ka ụkpụrụ ọrụ nke mgbapụta, na ojiji ya nwere ike inye ebuli. Dị ka ụkpụrụ na-arụ ọrụ nke mgbapụta nwere ike kewaa n'ime mma mgbapụta mgbapụta, vane mgbapụta na ndị ọzọ ụdị nfuli atọ edemede.
Nfuli ntugharị dị mma na-adabere na mgbanwe olu na-emepụta mgbe ụfọdụ na-emepụta ụda olu na-arụ ọrụ ma na-agbapụta mmiri mmiri, mgbe olu ọrụ na-abawanye, mmiri mmiri na-amịpụta mgbapụta; mgbe mbelata, mgbapụta mgbapụta mmiri mmiri. A na-ekewa njirimara Kinematic dịka ọrụ nke ụdị Li a n'ime:
1. Ntugharị mgbapụta mgbapụta na-arụ ọrụ maka ịmegharị mmegharị ahụ. Ụdị mgbapụta a bụ mgbapụta piston, piston, diaphragm chestnut na ihe ndị ọzọ.
2.Rotary nfuli ọrụ ụlọ ọrụ maka ofu axis adiana. Ụdị mgbapụta a bụ mgbapụta gia, mgbapụta mgbapụta,ụlọ ọrụ mgbapụta gravelnfuli vane na-amị amị.
Vane chestnut na-adabere n'otu ma ọ bụ ọtụtụ ntụgharị ọsọ ọsọ nke impeller iji kwalite mmụba mmiri, iji nweta ụgbọ mmiri mmiri. Dị ka mmiri mmiri na-erugharị ntụziaka nke mgbapụta vane mgbapụta n'aka nke na-ekewa n'ime:
1.Pump mmiri na-agbapụta nke ọma site na mgbapụta ahụ, ike na-eme ka mmiri na-asọpụta mgbe ike centrifugal na-emepụta site na ntụgharị nke impeller.
(2) Mmiri mmiri axial na-asọfe axially site na mgbapụta ahụ, ike na-ebugharị mmiri mmiri na-asọpụta impeller axial thrust emepụtara mgbe ntụgharị.
3. Na-agbapụta mmiri mmiri na-agbapụta n'ime mgbapụta ahụ na-agbaba na mgbapụta mgbapụta n'ime akụkụ ụfọdụ, ike na-eme ka mmiri na-asọpụta mgbe ike centrifugal na-emepụta site na ntụgharị nke impeller na axial thrust force.
4 - Vortex mgbapụta mmiri mmiri na mgbapụta maka ịgba ọsọ vortex kwụ ọtọ, na-adabere na ntụgharị nke impeller na-akwalite vortices nke na-eme site na mmegharị nke mmiri mmiri na-agbapụta mmiri.
Ụdị nfuli ndị ọzọ na-adaberekarị na mmiri mmiri ọzọ (mmiri, gas) ume ma ọ bụ kinetic energy hydrostatic fluid fluid. Ya mere, a na-akpọkwa mgbapụta hydrodynamic, dị ka nfuli jet, mmiri chestnut, wdg hama.
Ihe ndị bụ isi nke ihe ndị bụ isi nke mgbapụta gravel nwere ihe ndị a:
1, usoro nke Q
Flow bụ ego nke mmiri mmiri gravel mgbapụta na unit oge nnyefe (olu ma ọ bụ àgwà).
Volume eruba na Q kwuru, unit bụ: m3 / s, m3 / h, l / s wdg.
Mass eruba na Qm kwuru, nkeji bụ: t/h, kg/s.
Mmekọrịta dị n'etiti oke ọsọ na ụda olu maka:
Qm= ρ Q
Na usoro ρ - mmiri njupụta (kg / m3, t / m3), mmiri okpomọkụ nkịtị P = 1000kg / m3.
2, onye isi H
Isi bụ unit arọ nke mmiri mmiri gravel mgbapụta mgbapụta ebubata si gravel mgbapụta (inlet flange gravel mgbapụta) na gravel na ntinye nke mgbapụta (pump outlet flange gravel) ike abawanye. Ike dị irè bụ mmiri mmiri Newtonian nwetara site na mgbapụta gravel. Unit bụ N? m/N = m, ịdị elu nke mmiri mmiri kọlụm gravel mgbapụta mmiri mmiri, àgwà, zoro aka dị ka M.
3, ọsọ n
Ọsọ bụ ọsọ nke gravel pump shaft unit of time, nke akara n'egosipụtara ya, otu r/min.
4, NPSH NPSH
NPSH na-akpọkwa net nti mmiri isi, na-egosipụta tumadi parameters nke cavitation arụmọrụ. NPSH n'ime ụlọ Δ H.
n'arọ / m3);
5, ike na arụmọrụNhọrọ ndabere nke slurry mgbapụta
Ajịrịja mgbapụta ike na-emekarị na-ezo aka na ntinye ike, nke bụ ihe mbụ mkpali bịara a gravel mgbapụta aro ike, n'ihi ya, a na-akpọkwa ya aro ike, na-anọchi anya P;
A na-akpọkwa mgbapụta gravel ike dị irè ike mmepụta, nke Pee nọchitere anya ya. Ọ bụ nkeji ike dị irè nke oge site na mgbapụta mgbapụta gravel si na mmiri mmiri dị na mgbapụta gravel.
N'ihi na ebuli bụ irè ike gravel mgbapụta mmepụta unit arọ mmiri mmiri nwetara site na gravel mgbapụta, otú isi na uka eruba ọnụego na osooso nke ike ndọda, bụ unit nke oge si gravel mgbapụta mmepụta mmiri mmiri nwetara irè ike - ya bụ gravel mgbapụta arụmọrụ. ike:
Pe = ρ gQH (W) = gamma QH (W) usoro ρ density — gravel pump liquid (kg/m3);
Gamma siri ike - mmiri mmiri na-agbapụta gravel (N / m3);
Q - gravel mgbapụta eruba (m3 / s);
H - gravel mgbapụta isi (m);
G - acceleration nke ike ndọda (m/s2).
Ike Shaft P na ike Pe nke ike mfu nke mgbapụta gravel, nha nke arụmọrụ mgbapụta gravel. Ịrụ ọrụ mgbapụta gravel dị ka ike dị irè na oke ike, na-eji η.
Oge nzipu: Jul-13-2021