IzintoAichaphazela iWindlebe yeHidraulicSkunye nokuqhushumbaFukurhwebaNimibhobho

Ukunxitywa komlomo yijethi ye-hydraulic sandblasting ikakhulu kukukhukuliseka kwamasuntswana esanti kudonga lwangaphakathi lombhobho. Ukunxiba kwe-nozzle kuyisiphumo sesenzo sejethi yesanti kudonga lwangaphakathi lombhobho. Ngokuqhelekileyo kukholelwa ukuba ilahleko yevolumu ye-macroscopic yobuso obungaphakathi bombhobho ngenxa yokuguga yenziwa ngokuqokelelwa kwezinto ezilahlekileyo zomthamo we-microscopic obangelwa yimpembelelo yeqhekeza elinye lesanti. Ukuguga kokhukuliseko lwesanti kumphezulu ongaphakathi womlomo ikakhulu kubandakanya iindlela ezintathu: ukuguga okuncinci, ukudinwa kunye nokunxitywa kwe-brittle fracture. Nangona iifom ezintathu zokugqoka zenzeke ngexesha elifanayo, ngenxa yeempawu ezahlukeneyo zempahla ye-nozzle kunye neempawu zeengqungquthela zesihlabathi, imeko yoxinzelelo emva kwempembelelo ihluke, kwaye umlinganiselo weefom ezintathu zokugqoka zihlukile.

1. Izinto ezichaphazela ukunxitywa kwemilomo

1.1 Izinto eziphathekayo zomlomo ngokwawo

Okwangoku, izinto eziqhelekileyo ezisetyenziselwa ukwenza imilomo yejethi ikakhulu ziyintsimbi, iiseramikhi, i-carbide enesamente, amatye anqabileyo, idayimani njalo njalo. Imicro-structure, ubunzima, ukuqina kunye nezinye iimpawu zomzimba kunye noomatshini bezinto eziphathekayo zineempembelelo ezibalulekileyo ekuxhathiseni ukunxiba.

1.2 Ubume besakhiwo somjelo wangaphakathi kunye neeparamitha zejometri.

Ngokulinganisa iintlobo ezahlukeneyo zemilomo, umbhali ufumanise ukuba kwinkqubo yejethi yejethi ye-hydraulic sandblasting, isantya esiguquguqukayo sesantya singcono kunombhobho olungelelanisiweyo, umbhobho ophuculweyo ungcono kunombhobho weconical, kwaye umbhobho weconical ungcono kunombhobho. umlomo wombhobho. Ububanzi bokuphuma bombhobho ngokuqhelekileyo bumiselwa yisantya sokuhamba kunye noxinzelelo lwejethi. Xa isantya sokuhamba singatshintshi, ukuba i-diameter yokuphuma iyancitshiswa, uxinzelelo kunye nesantya sokuhamba siya kuba sikhulu, okuya kwandisa impembelelo yamandla e-kinetic yamasuntswana esanti kunye nokwandisa ukunxiba kwecandelo lokuphuma. Ukwandisa ububanzi bombhobho we-jet kuya kwandisa ukugqithiswa kobunzima, kodwa ngeli xesha ilahleko yangaphakathi yangaphakathi iyancitshiswa, ngoko ke kufuneka kukhethwe i-nozzle ye-nozzle. Iziphumo zifunyenwe ngokulinganisa kwamanani ommandla wokuhamba kombhobho onama-angles ahlukeneyo okunciphisa.

Ukushwankathela, fokanye i-conical nozzle, i-angle encinci ye-contraction, i-stable stable flow, i-dispation encinci ye-turbulent, kunye ne-nozzle encinci kwi-nozzle. Icandelo elithe tye le-cylindrical ye-nozzle lidlala indima yokulungiswa, kwaye ubude bayo-ububanzi bobude bubhekisela kumlinganiselo wobude becandelo le-cylindrical ye-nozzle ukuya kububanzi be-outlet, eyipharamitha ebalulekileyo echaphazela ukunxiba. Ukwandisa ubude bombhobho kunokunciphisa izinga lokugqoka kwi-outlet, kuba indlela yokugqoka i-curve kwi-outlet yandiswa. Indawo yokungenaaI-ngle ye-nozzle inefuthe elithe ngqo ekunxityweni kwendlela yokuhamba yangaphakathi. Xa isifinyezo sokungenaai-ngle iyancipha, izinga lokunxiba lokuphuma liyancipha ngokuhambelana.

1.3 Uburhabaxa bomphezulu wangaphakathi

Umphezulu we-micro-convex wodonga lwangaphakathi lombhobho uvelisa ukuchasana kwempembelelo enkulu kwi-jet-blasting jet. Impembelelo yeengqungquthela zesanti kwi-protruding part of the bulge ibangela ukwanda kwe-micro-crack yomhlaba kwaye ikhawulezise i-abrasive wear of the nozzle. Ngoko ke, ukunciphisa uburhabaxa bodonga lwangaphakathi kunceda ukunciphisa ukungqubana.

1.4 Impembelelo yokuqhushumba kwesanti

Isanti yequartz kunye negarnet zihlala zisetyenziswa kwi-hydraulic sandblasting fracturing. Ukukhukuliseka kwesanti kwimpahla ye-nozzle iyona nto ibangela ukugqoka, ngoko ke uhlobo, imilo, ubukhulu beqhekeza kunye nokuqina kwesanti kunempembelelo enkulu ekugqokeni umbhobho.