Ok Slurry ruwa diamita mashiga gefe A cikin impeller mashiga gefen ɗaukar cibiyar, kamar yadda ya kwarara tashar da'irar da aka rubuta , rubuta da'irar centroid ne sau biyu da nisa na axis na ƙofar gefen diamita na ruwa D1, wanda aka nuna a cikin Hoto 5- 5 .
Diamita D1 na gefen ƙofar ruwa za a iya gano gabaɗaya takamaiman gudun ns: Gabaɗaya, ƙara yawan ruwan wukake na iya inganta kwararar ruwa, haɓakar da ya dace a cikin famfo shugaban, amma ƙara yawan asarar gogayya na ganye zai karu. rage magudanar ruwa ta wurin magudanar ruwa .
Saboda haka , karuwa a yawan ganye da yawa , ba kawai don rage yadda ya dace da kuma sa impeller cavitation yi deterioration , amma kuma haifar da famfo yi masu lankwasa hump (duba Babi na V). Ƙaƙwalwar ruwa a ƙarƙashin kunshin guda ɗaya , rage adadin ruwan wukake , kowane nau'i na nauyin nauyi yana ƙaruwa, rawar da ke cikin ƙananan ruwa, amma kuma rage girman famfo . Ƙananan ƙasa da adadin juyi na famfo , don faruwa a cikin nau'i na tsawon tazarar ruwa , wanda aka nuna a cikin hoto 5-10 .
Wannan zai tabbatar da isassun adadin ganye, amma kuma don hana toshewar shigarwar impeller. 8 Tabbatar da kusurwar inlet ɗin β1 an sanya kusurwar mashigan ruwa a ƙofar ruwan wuka, fuskar ruwa na tangent (madaidaicin magana, saman ya kamata ya kasance a cikin layin da ke gudana na layin tangent kashi ) kwana tsakanin Tangent kewaye , kamar yadda aka nuna a hoto 5-6. A zaton cewa ruwa ne irrotationtional kwarara impeller ,slurry famfo manufacturerta hanyar triangle mai saurin gudu yana nuna: A cikin ƙayyadadden kusurwar inlet ɗin vane β1 wuri lokacin da kusurwar △ β zaɓi dalili:
( 1 ) kafin ruwa ya shiga cikin impeller , ya riga ya kasance ƙarƙashin ɗakin shayarwa , tasiri na shaft mai motsi ko motsi mai juyawa (watau pre- spin) , ƙara kusurwar harin shine la'akari da tasirin pre-swirl zuwa rage tasirin asarar ruwa .
( 2 ) yana ɗaukar madaidaicin kusurwar harin , madaidaicin shigar ruwa . , Rage , wato ƙara mashigai yankin na ruwa , inganta ya kwarara na ruwa , iya dan kadan inganta famfo cavitation yi .
A conical tube famfo tsotsa jam'iyya , da ruwa shiga impeller kafin prerotation karami, amma a cikin rabin karkace tsotsa dakin ne . Prerotator in mun gwada da girma, don haka dole ne a yi la'akari da kusurwar harin lokacin zabar tsarin tsotsa a cikin nau'i na abin ya shafa. Angle na famfo cavitation juriya zuwa wani matsayi.
Gwaje-gwaje sun nuna cewa madaidaicin kusurwa na kewayon harin, canjin kusurwar hari akan juriya na cavitation na famfo yana da ɗan tasiri, haɓaka kusurwar harin na iya jinkirta yanayin kwararar famfo a cikin babban aikin anti-cavitation lokacin aiki da lalacewa kwatsam. Duk da haka, idan madaidaicin kwana fiye da 200, zai haifar da rage yawan aiki. Idan ka ɗauki kusurwa mara kyau na harin , juriyar cavitation na famfo yana da matukar lalacewa .
Lokacin aikawa: Yuli-13-2021