Matsalolin gama gari a gwajin gobarar bawul Dangantaka tsakanin girman bawul da matsakaicin gudu

Matsalolin gama gari a gwajin gobarar bawul Dangantaka tsakanin girman bawul da matsakaicin gudu

Tsarin samar da masana'antar petrochemical yana da rikitarwa, kuma albarkatun ƙasa, samfuran da aka kammala, samfuran da aka gama da sauran kayan taimako da ake amfani da su a cikin aikin samarwa galibi abubuwa ne masu ƙonewa da fashewa, waɗanda ke da sauƙin haifar da wuta da haɗari. Kuma ana amfani da shi a cikin wasu yanayi mai sauƙi na bawul, saboda yuwuwar haɗarin wuta, sau da yawa akan ƙirar ta na musamman, don haka bawul ɗin a cikin ɗan lokaci bayan wuta har yanzu yana da takamaiman aikin rufewa da aikin aiki. A cikin auna juriya na wuta na bawuloli, gwajin wuta wata hanya ce mai mahimmanci don tabbatar da bawuloli. Gwajin juriya na wuta na bawuloli da aka yi amfani da su a masana'antar petrochemical an haɗa su da mahimmanci a gida da waje kuma an haɓaka matakan da suka dace.
Gwaji misali
Dangane da yanayi daban-daban na aikace-aikacen da ayyukan samfur, ƙa'idodin gwajin wuta na bawul suma sun bambanta, kamar Cibiyar Man Fetur ta Amurka ta haɓaka daidaitaccen ANSI / API607-2005 don wurin zama mai laushi 1/4 juya bawul, API6FA-1999 don bututun bututu da rijiyoyin ruwa. , da API6FD-1995 don duba bawuloli. The International Organization for Standardization ya kafa daidaitattun ISO10497-2004 don gwajin juriya na wuta na bawuloli daban-daban, kuma ƙasarmu ta haɓaka daidaitattun JB / T6899-1993 don tsarin gwajin juriya na wuta da buƙatun hanyar.
Matsalolin gama gari a gwajin juriya na bawul
iri
A lokacin wuta
Gwajin ƙarancin ƙarfi
Gwajin aiki
sauran
Ball bawul
Bawul ɗin ƙwallon ƙwallon ƙafa
Dukansu yayyowar ciki da na waje na kujerar bawul ɗin hatimi mai laushi na iya faruwa, kuma za'a iya samun ɗigogi a flange da tushe na bawul yayin wuta, yayin da yayyo a cikin kujerar bawul ɗin hatimi gabaɗaya karami ne.
Zubar da ciki na iya ƙaruwa a gwajin ƙarancin matsa lamba bayan sanyaya
Bayan aiki, yayyan waje yana da sauƙi don wuce daidaitattun, kuma matsayin yayyo gabaɗaya shine haɗin flange na jikin bawul da bututun bawul.
Kafaffen bawul
Dukansu yayyan ciki da na waje na kujera mai laushi mai laushi na iya faruwa. A lokacin wuta, za a iya samun yoyo a flange, bawul tushe da kuma ball goyon bayan shaft na bawul, yayin da yayyo a cikin wuya hatimi wurin zama gaba ɗaya karami.
Zubar da ciki na iya ƙaruwa a gwajin ƙarancin matsa lamba bayan sanyaya
Bayan aikin yayyan gwajin yayyan waje yana da sauƙin ƙetare ma'auni, matsayin yayyan shine gabaɗaya flange ɗin jikin bawul, bawul ɗin bawul da sandar goyan bayan ball.
Bawul ɗin ƙwallon ƙwallon da ƙayyadaddun tsarin ƙwallon yana cikin nau'in hatimi na sama, kuma ya kamata a cire ɗigon ciki yayin konewa daga ƙarar ajiyar ruwa a cikin rami na jikin bawul.
Cikakken welded ball bawul
Fitowar ciki yana da sauƙin bayyana, kuma ɗigon waje na iya bayyana a gindin
Fitowar ciki na iya karuwa
Fitowar waje gabaɗaya ƙanƙanta ce, tushe kawai na iya bayyana ɗigon waje
Flat kofa bawul
Yayyo na ciki yana da ƙanƙanta a cikin wasu samfuran, ɗigon waje a cikin haɗin jikin bawul ko kara yana yiwuwa
Fitowar ciki gabaɗaya ƙanana ce
Bayan aiki, haɗin jikin bawul, kara da rami na magudanar ruwa suna da wuyar zubar da waje
zakara
Ruwan bawul ɗin hatimi mai laushi yana da girma sosai, ba za a iya samun garantin da kyau ba, ɗigon bawul ɗin hatimi ƙarami ne
Gwajin ƙaramar matsa lamba bayan sanyaya laushin hatimin bawul ɗin hatimi gabaɗaya babba ne, ɗigon bawul ɗin hatimi gabaɗaya karami ne
Bayan aiki, yayyan gwajin yayyan waje yana da sauƙi don wuce daidaitattun, kuma matsayin yayyo gabaɗaya shine haɗin flange na jikin bawul da tushen bawul ɗin.
Butterfly bawul
Yayyo na ciki yana da sauƙin bayyana dangane da wasu samfuran, kuma ɗigon waje na iya bayyana a tushe
Leaka yana da sauƙi don bayyana a ƙananan gwajin gwaji bayan sanyaya
Bayan aiki, tushen bawul da ramin goyan baya suna da wuyar zubar da waje
Globe bawul
Yayyo na ciki yana da ƙanƙanta a cikin wasu samfuran, ɗigon waje a cikin haɗin jikin bawul ko kara yana yiwuwa
Fitowar ciki gabaɗaya ƙanana ce
Bayan aiki, yayyan gwajin yayyan waje yana da sauƙi don wuce daidaitattun, kuma matsayin yayyo gabaɗaya shine haɗin flange na jikin bawul da tushen bawul ɗin.
Bawul ɗin dubawa
Yayyo na ciki yana da sauƙin bayyana a cikin wasu samfuran, ɗigon waje a cikin jikin bawul da haɗin murfin bawul na iya bayyana
Leaka yana da sauƙi don bayyana a ƙananan gwajin gwaji bayan sanyaya
Bayan aikin ɗigon gwajin ƙyalli na waje yana da sauƙi don ƙetare daidaitattun, matsayin ɗigo yawanci shine jikin bawul da haɗin murfin bawul.
Gwajin juriya na wuta na bawul shine don gwada gwajin bawul a cikin yanayin wuta. Zai iya gaske da kuma yadda ya kamata ya nuna juriya na wuta na bawul ɗin gwaji. Yana da mahimmanci ga bincike na tsarin juriya na wuta na bawul da kuma nazarin juriya na wutar lantarki.
Diamita na Valve da matsakaicin matsakaicin matsakaici tsakanin alakar da ke tsakanin yanki mai gudana na bawul da magudanar ruwa, kwararar ruwa yana da alaƙa kai tsaye, kuma yawan kwararar ruwa da kwararar abubuwa ne masu dogaro biyu. Lokacin da adadin kuzari ya kasance akai-akai, saurin gudu yana da girma, tashar tashar tashar zai iya zama karami; Matsakaicin ƙaƙƙarfan ƙanƙara ne, yankin tashar tashar yana iya zama mafi girma. Akasin haka, yankin tashar tashar yana da girma, yawan kwarara yana da ƙananan; Yankin tashar kwarara yana da ƙananan, saurinsa yana da girma. Matsakaicin matsakaicin matsakaici yana da girma, diamita na bawul na iya zama ƙarami, amma asarar juriya tana da girma, bawul ɗin yana da sauƙin lalacewa. Matsakaicin matsakaici mai zafi, mai ƙonewa da fashewar abubuwa za su haifar da tasirin electrostatic, haifar da haɗari; Yawan kwarara ya yi ƙanƙanta, mara inganci, mara tattalin arziki.
Matsakaicin kwarara da saurin bawul ya dogara ne akan diamita na bawul, amma kuma yana da alaƙa da juriya na tsarin bawul ɗin zuwa matsakaici, da matsa lamba na bawul, zafin jiki da ƙaddamar da matsakaici da sauran dalilai. suna da wata alaƙa ta ciki.
Wurin wucewar bawul da ƙimar kwarara, ƙimar kwarara yana da alaƙa kai tsaye, kuma ƙimar kwarara da kwararar abubuwa ne masu dogaro da juna biyu. Lokacin da adadin kuzari ya kasance akai-akai, saurin gudu yana da girma, tashar tashar tashar zai iya zama karami; Matsakaicin ƙaƙƙarfan ƙanƙara ne, yankin tashar tashar yana iya zama mafi girma. Akasin haka, yankin tashar tashar yana da girma, yawan kwarara yana da ƙananan; Yankin tashar kwarara yana da ƙananan, saurinsa yana da girma.
Matsakaicin matsakaicin matsakaici yana da girma, diamita na bawul na iya zama ƙarami, amma asarar juriya tana da girma, bawul ɗin yana da sauƙin lalacewa. Matsakaicin matsakaicin matsakaici, mai flammable da fashewar fashewa zai haifar da tasirin electrostatic, haifar da haɗari; Yawan kwarara ya yi ƙanƙanta, mara inganci, mara tattalin arziki. Ga matsakaici tare da babban danko da fashewa, yawan kwarara ya kamata ya zama karami. Man fetur da ruwa tare da babban danko zaɓi ƙimar kwarara tare da danko, gabaɗaya ɗaukar 0.1 ~ 2m/s.
Gabaɗaya, an san ƙarar kuma ana iya ƙayyade ƙimar kwarara ta zahiri. Za'a iya ƙididdige girman ƙididdiga na bawul ɗin daga ƙimar kwarara da ƙimar kwarara.
Girman Valve iri ɗaya ne, nau'in tsarinsa ya bambanta, juriya na ruwa ba iri ɗaya bane. A ƙarƙashin yanayin guda ɗaya, mafi girman juriyar juriya na bawul ɗin, mafi yawan saurin gudu da ƙimar ruwa ta hanyar digowar bawul; Karamin madaidaicin juriya na bawul, ƙarancin ƙwanƙolin ɗigon ruwa da yawan kwararar ruwa ta cikin bawul ɗin yana raguwa.
Zaɓin diamita na bawul ɗin ya kamata yayi la'akari da daidaiton mashin ɗin da ɓacin girman bawul, da sauran dalilai. Girman bawul ya kamata ya zama takamaiman adadin dukiya, gabaɗaya 15%. A cikin ainihin aikin, girman bawul tare da girman bututun tsari.