OK Slurry agụba dayameta mbata n'akụkụ na impeller mbata n'akụkụ iji n'etiti, dị ka eruba ọwa nke e dere gburugburu , e dere gburugburu centroid bụ ugboro abụọ anya nke axis nke n'ọnụ ụzọ n'akụkụ nke agụba dayameta D1, gosiri na Figure 5- 5 .
Dayameta D1 nke ọnụ ụzọ agụba nwere ike n'ozuzu mata kpọmkwem ọsọ ns : N'ozuzu , ịba ụba ọnụ ọgụgụ nke agụba nwere ike melite mmiri eruba , kwesịrị ekwesị abawanye na mgbapụta isi , ma mụbaa ọnụ ọgụgụ nke akwukwo agụba esemokwu ọnwụ ga-abawanye. na-ebelata mmiri na-asọ site na mpaghara mmiri.
Ya mere, mmụba nke ọnụ ọgụgụ nke epupụta nke ukwuu, ọ bụghị nanị iji belata arụmọrụ na-eme ka impeller cavitation arụmọrụ emebi , ma na-eme ka mgbapụta arụmọrụ curves hump (lee Isi nke V). The agụba akụkụ n'okpuru otu ngwugwu , mbenata ọnụ ọgụgụ nke agụba , nke ọ bụla agụba nke ibu na-abawanye, ọrụ nke ala mmiri diversion , ma na-ebelata mgbapụta isi . Dịtụ ala karịa ọnụ ọgụgụ nke mgbanwe nke mgbapụta, na-ewere ọnọdụ n'ụdị ogologo nke agụba spacing, gosiri na Figure 5-10 .
Nke a ga-ahụ na ọnụ ọgụgụ zuru oke nke akwụkwọ, kamakwa iji gbochie mgbochi ntinye ntinye impeller. 8 Jide n'aka na oghere ntinye agụba β1 etinyere akụkụ nke ntinye agụba n'ọnụ ụzọ agụba ahụ, ihu agụba nke tangent (na-ekwu okwu siri ike, elu kwesịrị ịdị na ahịrị eruba nke agụba tangent ọkpụkpụ ) n'akuku n'etiti tangent gburugburu, dị ka egosiri na foto 5-6. Echere na mmiri mmiri ahụ bụ ihe na-agbagharị agbagharị,emeputa mgbapụta slurrysite na triangle ọsọ ọsọ na-egosi: N'ịchọpụta oghere inlet vane β1 ebe akụkụ nke △ β họrọ ihe kpatara ya:
( 1 ) tupu mmiri mmiri abanye na impeller , ugbua n'okpuru suction ụlọ , mmetụta nke impeller aro ma ọ bụ a na-atụgharịgharị ngagharị (ie pre- Spin ) na-amụba akụkụ nke ọgụ bụ ịtụle mmetụta nke tupu swirl ka. belata mmetụta nke mfu nke mmiri mmiri .
( 2 ) na-ewere akụkụ dị mma nke mbuso agha , ọnụ ụzọ agụba na-akpakọba ọnụọgụgụ. , Belata, ya bụ ịba ụba ebe ntinye nke agụba, na-eme ka mmiri mmiri na-asọ asọ, nwere ike ime ka ọrụ cavitation dịkwuo mma.
Na conical tube mgbapụta mmiri ọnụ ụlọ , mmiri mmiri na-abanye impeller tupu prerotation nta, ma na ọkara gburugburu gburugburu ime ụlọ bụ. Prerotator dịtụ ukwuu, n'ihi ya, akụkụ nke ọgụ ga-atụle mgbe ahọpụtara ụlọ Ọdịdị n'ụdị emetụtara. Akụkụ nke mgbapụta cavitation mgbapụta ruo n'ókè ụfọdụ.
Ule gosiri na nti n'akuku nke ọgụ nso, ọgụ n'akuku mgbanwe na mgbapụta cavitation eguzogide nwere obere mmetụta , dịkwuo n'akuku nke ọgụ nwere ike igbu oge mgbapụta eruba ọnọdụ na a nnukwu mgbochi cavitation arụmọrụ mgbe na-arụ ọrụ na mberede njọ . Otú ọ dị, ọ bụrụ na akụkụ dị mma nke ụbọchị karịa 200, ga-eme ka arụmọrụ belata. Ọ bụrụ na ị were akụkụ ọgụ na-adịghị mma, nguzogide cavitation nke mgbapụta na-akawanye njọ.
Oge nzipu: Jul-13-2021