Bayan zabar ruwan nika da ya dace da tsarin sarrafa shi, fifiko na gaba shine yadda za a yi daidai allurar ruwan nika a cikin wurin niƙa. Ya kamata a yi allurar ruwan niƙa a cikin yankin yankan baka, maimakon kawai a cikin haɗin gwiwa tsakanin kayan aikin da dabaran niƙa. Gabaɗaya, ƙaramin ɓangaren sanyaya da aka zuba ne kawai ke shiga cikinyankanyankin arc. Dabarar niƙa mai jujjuya tana aiki kamar mai busa don jefar da ruwan niƙa daga wajen da'irar niƙa.
Ramin dadabaran niƙaba zai iya riƙe kwakwalwan kwamfuta kawai ba, har ma da ɗaukar ruwa mai niƙa. Ta wannan hanyar, ana kawo ruwan niƙa zuwa yanki mai yanke baka ta hanyar niƙa kanta. Sabili da haka, a cikin saurin da ya dace, za a kawo ruwan nika da aka zuba a cikin da'irar waje na injin niƙa zuwa yankan baka. Bugu da kari, dole ne a kera bututun bututun na musamman domin a iya yin allurar ruwan nika a daidai wurin allura a cikin saurin da ya dace. Girman bututun ƙarfe zai rufe duk faɗin dabaran niƙa.
Lokacin da aka san faɗin, ana iya ƙididdige tsayin buɗewa (d) na bututun ƙarfe. Idan faɗin bututun ƙarfe ya kasance 1.5”, yankin bututun ƙarfe shine 1.5din2. Idan gudun niƙa shine 5500 (1676m/min), dole ne a ninka shi da 12 don samun 66000 in/min. Saboda haka, adadin ruwan niƙa a bututun ƙarfe shine: (1.5din2) × 66000in/min=99000din3/min. Idan matsa lamba mai famfo shine 110psi (0.758MPa), ruwan famfo a minti daya shine 58gpm (gallons 58 a minti daya, game da lita 219.554 / minti), da galan 1 = 231 cubic inci), don haka famfon mai yana gudana 231in3 × 58gpm = 13398in3/min.
Babu shakka, ya kamata magudanar ruwa a mashigai da mashigar famfon mai ya zama daidai, wato 13398 ya zama daidai da 99000d. Ana iya ƙididdige tsayin bututun bututun a matsayin 0.135” (13398/99000). Ainihin tsayin buɗaɗɗen bututun ƙarfe na iya zama ɗan ƙarami fiye da ƙimar ƙididdigewa, saboda za a rage saurin ruwan niƙa bayan barin bututun. Lokacin da bututun ƙarfe ba ya fuskantar dabaran niƙa, yana da mahimmanci musamman don la'akari da wannan lamarin. Saboda haka, girman bututun ƙarfe a cikin wannan misalin shine 0.12 "× 1.5" mafi kyau.
Matsin famfon mai shine don tura ruwa ya gudana a cikin tsarin bututun mai. Wani lokaci juriya na tsarin na iya wuce ƙimar ƙimar fam ɗin mai ta 110Psi, saboda sau da yawa ana yin bututun ƙarfe ba daidai ba, kuma ana karkatar da bututun, haɗin gwiwa, makamai masu juyawa, da sauransu.
Lokacin aikawa: Fabrairu-13-2023