1Ukusetshenziswa okuhlanganisiwe kwe-valve yokuphepha kanye nediski yokuqhuma
1. I-disc yokuqhuma ifakwe emnyango we-valve yokuphepha - inzuzo evame kakhulu yalesi silungiselelo ukuthi i-disc yokuqhuma izohlukanisa i-valve yokuphepha kanye nenqubo yenqubo engenisiwe, futhi uhlelo alukho ukuvuza.Ama-valve okuphepha awagqwali yi-process media, enganciphisa izindleko zamavalvu okuphepha.Uma isistimu icindezela ngokweqile, i-disc eqhumayo kanye ne-valve yokukhulula ingaqhuma kanyekanye futhi iqale ukukhulula ingcindezi.Lapho ingcindezi yesistimu ibuyela kokujwayelekile, i-valve yokuphepha ingavalwa ngokuzenzakalelayo, inciphise kakhulu ukulahlekelwa okuphakathi.
2. I-disc eqhumayo ifakwe lapho kuphuma khona i-valve yokuphepha.Inzuzo evame kakhulu yalesi silungiselelo ukuthi idiski eqhumayo izohlukanisa ivalvu yokuphepha epayipini elikhipha umphakathi endaweni yokuphuma.
2 Ukucindezela ngokweqile kwemishini nokukhethwa kwezisekeli zokuphepha
1. Ukucindezela ngokweqile kwemishini
I-overpressure - ngokuvamile ibhekisela ekucindezelweni okuphezulu kokusebenza emshinini okudlula ingcindezi evumelekile yezinto zokusebenza.I-overpressure yemishini ihlukaniswe ngokucindezela ngokomzimba kanye nokucindezela kwamakhemikhali
Ingcindezi ekwakhiweni kwemishini ingumfutho wegeji
Ukucindezeleka ngokomzimba - Ukwanda kwengcindezi akubangelwa ukusabela kwamakhemikhali phakathi nendawo lapho kwenzeka khona ukuguqulwa komzimba kuphela.I-Chemical overpressure - Ukwenyuka kwengcindezi ebangelwa ukusabela kwamakhemikhali phakathi nendawo
(1) Izinhlobo ezivamile zokucindezeleka ngokomzimba
①Ukucindezela ngokweqile okubangelwa ukunqwabelana kwezinto ezibonakalayo futhi akukwazi ukukhishwa ngesikhathi;
②Oi-verpressure ebangelwa ukwanda kwezinto ezibangelwa ukushisa (umlilo);
③Ukucindezela ngokweqile okubangelwa ukushaya kwengcindezi ngokushesha;ukukhuphuka komfutho wendawo okubangelwa ukuvaleka kungazelelwe futhi ngokushesha kwe-valve, “njengesando samanzi” kanye “nesando somusi”;ngaphezu kokuphela kwepayipi le-steam, ukupholisa umusi ngokushesha, ukwakheka kwe-vacuum yendawo, okuholela ekugelezeni kwe-steam ngokushesha kuze kube sekupheleni.Ukushaqeka kwakhiwa, okubangela ukucindezela ngokweqile okufana nomphumela "wesando samanzi".
(2) Izinhlobo ezivamile zokucindezelwa kwamakhemikhali
①Ukuncipha kwegesi evuthayo (i-aerosol) kubangela ukucindezela ngokweqile
②zonke izinhlobo zezinto eziphilayo nezingezona eziphilayo ezivuthayo ezivuthayo ezivuthayo nokuqhuma kubangela ingcindezi ngokweqile
③Ukulawulwa kwe-exothermic chemical reaction kubangela ukucindezeleka ngokweqile
2. Ithuluzi lokukhulula ukucindezeleka ngokweqile
①Umgomo wokukhishwa okuphephile
Imishini yokucindezela ngokweqile, okokusebenza kwezesekeli zokuphepha ngokushesha isinyathelo, imidiya yokucindezela ngokweqile izokhishwa ngesikhathi ukuze kuvikelwe isitsha.Kudingeka ukuzuza ukuthi ingakanani imidiya ekhiqizwa ngesikhathi seyunithi ngayinye, futhi imbobo yokukhipha ingaphinda ikhishwe phakathi nesikhathi seyunithi.Izinga lokunciphisa ingcindezi ngesikhathi seyunithi likhulu kunezinga lokukhulisa ingcindezi, futhi ingcindezi enkulu emshinini ingaphansi kokucindezela okuphezulu okuvunyelwe okokusebenza.
②Idivayisi yokusiza ukucindezela ngokweqile
Umgomo wokusebenza uhlukaniswe ngezinhlobo ezimbili: ukukhulula ukucindezela ngokweqile kanye nokukhulula ukushisa ngokweqile
Idivayisi evamile yokusiza ukucindezeleka ngokweqile: i-valve yokukhulula ingcindezi kanye nediski yokuqhuma.
Umgomo wokusebenza we-bursting disc
Lapho ukucindezela kokuqhuma kokulinganisa kufinyelelwa emishinini, idiski eqhumayo izoqhuma ngokushesha futhi isiteshi sokukhipha sizovulwa ngokuphelele.
Izinzuzo:
①Kuyazwela, kunembile, kuthembekile, akukho ukuvuza.
②Ubukhulu bendawo yokukhipha akunqunyelwe, futhi indawo efanelekile ibanzi (njengokushisa okuphezulu, ukucindezela okukhulu, indawo yangempela, ukugqwala okuqinile, njll.).
③Isakhiwo esilula, ukugcinwa okulula kanye nezinye izici ezivelele zokushiyeka: isiteshi asikwazi ukuvalwa ngemva kokuvulwa, konke ukulahlekelwa kwezinto ezibonakalayo.
3 Ukuhlukaniswa nezici zesakhiwo sediski eqhumayo
1. Ukuhlelwa kwediski eqhumayo
Ukuma kwe-disc bursting kungahlukaniswa kube yi-positive arch bursting disc (i-concave compression), i-anti-arch bursting disc (i-convex compression), i-flat plate bursting disc kanye ne-graphite bursting disc.
Ukwehluleka komshini kwediski eqhumayo kungahlukaniswa ngohlobo lokuhluleka okuqinile, uhlobo lokuhluleka olungazinzile kanye nohlobo lokwehluleka ukugoba noma ukugunda.I-tensile destructive bursting disc, enokucindezeleka okuqinile ku-diaphragm, ingahlukaniswa ibe: uhlobo oluvamile lwe-arch, uhlobo lwe-arch groove, uhlobo lwe-plate groove, uhlobo lwe-arch slit kanye nohlobo lokuhlukaniswa kwepuleti.Ukungazinzi kohlobo lokuqhuma kwe-disc, ingcindezi yokucindezela ku-diaphragm, ingahlukaniswa ibe: uhlobo lommese we-arch, i-reverse arch alligator uhlobo lwezinyo, i-arch belt groove egoba noma ukwehluleka kwe-shear ukuqhuma kwe-disc, ukwehluleka kwe-diaphragm shear: ikakhulukazi ibhekisela ku ukucutshungulwa kwezinto ezibonakalayo, njenge-graphite eyenziwe ngediski eqhumayo.
2. Izinhlobo ezijwayelekile namakhodi wamadiski aqhuma
(1) Izici zemishini yediski eliqhumayo elisebenza phambili — ukucindezelwa kwe-concave, ukulimala okuqinile, kungaba ungqimba olulodwa noma izendlalelo eziningi, ikhodi enokuqala “L”.Ukuhlukaniswa kwe-positive arch bursting disc: i-arch evamile yohlobo lwe-disc yokuqhuma, ikhodi: I-LP i-arch groove uhlobo lwe-bursting disc, ikhodi: i-LC positive arch slotted bursting disc, ikhodi: LF
(2) izici zemishini ezibuyisela emuva - ukucindezelwa kwe-convex, ukulimala kokungazinzi, kungaba ungqimba olulodwa noma izendlalelo eziningi, ikhodi enesiqalo esithi "Y".Ukuhlelwa kwediski eqhumayo ye-arch: I-arch ehlehlayo enohlobo lommese oluqhuma idiski, ikhodi: YD reverse arch alligator izinyo uhlobo lwediski eqhumayo, ikhodi: YE reverse arch cross groove uhlobo (welded) idiski eqhumayo, ikhodi: YC (YCH) reverse arch ring groove thayipha idiski yokuqhuma, ikhodi: YHC (YHCY)
(3) Izici zokucindezeleka zediski eqhumayo emise okuyisicaba - ukuwohloka kancane kancane kanye ne-arch ngemva kokucindezeleka ukuze kufinyelelwe ukwehluleka kwengcindezi elinganiselwe, kungaba isendlalelo esisodwa, isendlalelo esiningi, ikhodi enokuqala kuka-“P”.Ukuhlukaniswa kwe-flat plate bursting disc: ipuleti eliyisicaba eline-groove type bursting disc, ikhodi: I-PC flat plate slit uhlobo lwe-bursting disc, ikhodi: PF (4) I-Graphite bursting disc Izici zemishini yediski eqhumayo - ilinyazwe isenzo sokugunda.Igama lekhodi: PM
3. izinhlobo ezahlukahlukene ze-burst disc life izici
Wonke ama-disc aqhumayo aklanywe futhi akhiqizwa ngokuvumelana nempilo yokugcina, ngaphandle kwe-coefficient yokuphepha.Lapho ingcindezi yokuqhuma eshiwo ifinyelelwa, izoqhuma ngokushesha.Impilo yayo yokuphepha incike ikakhulukazi ekumeni komkhiqizo, izici zokucindezeleka kanye nesilinganiso sokucindezela okukhulu kokusebenza kuya ekucindezelweni okuncane kokuqhuma - izinga lokusebenza.Ukuze kuqinisekiswe ukusetshenziswa kwesikhathi eside kwamadiski aqhumayo, Isicelo esijwayelekile samazwe ngamazwe se-ISO4126-6, ukukhethwa kanye Nokufakwa kwemishini yokuphepha yediski eqhumayo icacisa izinga eliphezulu elivunyelwe lokusebenza lamadiski aqhumayo amafomu ahlukahlukene.Imithetho imi kanje:
①I-arch bursting disc evamile - isilinganiso esiphezulu sokusebenza≤0.7 izikhathi
②i-arch groove enhle ne-positive arch slit bursting disc - isilinganiso esiphezulu sokusebenza≤0.8 izikhathi
③zonke izinhlobo ze-arch bursting disc (ene-groove, ngommese, njll.) — izinga eliphezulu lokusebenza≤0.9 izikhathi
④Idiski eqhumayo emise okwesicaba — izinga lokusebenza eliphakeme kakhulu≤0.5 izikhathi
⑤i-graphite bursting disc - isilinganiso esiphezulu sokusebenza≤0.8 izikhathi
4. Sebenzisa izici zediski eliqhumayo
①Izici ze-arch normal type bursting disc (LP)
Ukucindezela okuqhumayo kunqunywa ubukhulu bezinto ezibonakalayo kanye nobubanzi bokukhipha, futhi kunqunyelwe ubukhulu nobubanzi be-diaphragm.Ukucindezela okukhulu kokusebenza akufanele kudlule izikhathi ezingu-0.7 zokucindezela okuncane kokuqhuma.Ukuqhuma kuzokhiqiza udoti, ngeke kusetshenziselwe ukuvutha nokuqhuma noma okungavunyelwe ukuba nezenzakalo zemfucumfucu (njengochungechunge olunamavalvu okuphepha), ukumelana nokukhathala.Ukuntuleka kwamandla okubamba eduze komjikelezo kulula ukubangela ukuxega okuzungezile nokuwa, okuholela ekwehleni komfutho wokuqhuma.Ngokuvamile umonakalo omncane ngeke uthinte kakhulu ukucindezela kokuqhuma.Ifanele igesi ne-liquid media
②Isici sokuqhuma kwengcindezi ye-groove type bursting disc (LC)
In ibhande le-arch eliqondile linqunywa ikakhulukazi ukujula kwe-groove, okunzima ukulenza.Ukucindezela okukhulu kokusebenza kwe-disc yokuqhuma akufanele kudlule izikhathi ezingu-0.8 zokucindezela okuncane kokuqhuma.Ukuqhuma eduze koqhekeko lwe-groove ebuthaka, akukho doti, akukho zidingo zokusetshenziswa kwesenzakalo, ukumelana nokukhathala okuhle.Ukuntuleka kwamandla okubamba eduze komjikelezo kulula ukubangela ukuba umjikelezo uxege futhi uwe, okuholela ekuncipheni kokucindezela kokuqhuma kanye nemfucumfucu.Uma nje umonakalo omncane ungenzeki ku-groove, ukucindezela kokuqhuma ngeke kushintshe kakhulu.Ifanele igesi ne-liquid media
③Ingcindezi eqhumayo ye-straight arch slit type bursting disc (LF) inqunywa ikakhulukazi isikhala sembobo, esilungele ukwenziwa futhi sisetshenziswe ngokujwayelekile ezikhathini zengcindezi ephansi.Qinisekisa ukuthi ingcindezi ephezulu yokusebenza ayikwazi ukudlula izikhathi ezingu-0.8 zengcindezi encane yokuqhuma.Izingcezu ezincane zingase zikhiqizwe ngesikhathi sokuqhuma, kodwa ngokuklama okunengqondo, azikho izingcezu ezingakhiqizwa futhi ukumelana nokukhathala kuyinto evamile.Ukuntuleka kwamandla okubamba eduze komjikelezo kulula ukubangela ukuxega okuzungezile nokuwa, okuholela ekwehleni komfutho wokuqhuma.Uma umonakalo ungenzeki ebhulohweni elifushane, ngeke kubangele ushintsho olubalulekile ekucindezelweni kokuqhuma
1. Ingcindezi yokuqhuma ye-YD ne-YE bursting disc inqunywa ngokuyinhloko ubukhulu bendawo engenalutho nobude be-arch.Uhlobo lwe-YE luvame ukusetshenziselwa ingcindezi ephansi.Uma ingcindezi yokusebenza ephezulu ingekho ngaphezu kwezikhathi ezingu-0.9 zokucindezela okuncane kokuqhuma, i-diaphragm izogingqika futhi ithinte i-blade noma ezinye izakhiwo ezibukhali futhi iphule, akukho doti ezokwenziwa, futhi ukumelana nokukhathala kuhle kakhulu.Ngemuva kokuqhuma ngakunye kwe-gripper yommese, ummese kufanele ulungiswe ngenxa yamandla anganele okubamba noma ukulimala endaweni ye-arch ye-disc eqhumayo, okuzoholela ekunciphiseni okukhulu kwengcindezi yokuqhuma, kanye nemiphumela engathi sína ekuhlulekeni kokuvula imbobo yokukhululwa. .Ukunakekelwa okukhethekile kufanele kuthathwe ngesikhathi sokufakwa.Isebenza kuphela esigabeni segesi
2. Ingcindezi ephezulu yokusebenza yohlobo lwe-backarch cross groove (YC) kanye ne-backarch cross groove welded (YCH) idiski eqhumayo ayikwazi ukuba ngaphezu kwezikhathi ezingu-0.9 zengcindezi encane yokuqhuma.Ukuqhuma okuhambisana nomsele owenziwe buthaka kuphulwa kube amavalvu amane, akukho mfucumfucu, ukumelana nokukhathala okuhle, futhi akukho ukuvuza kwediski eqhumayo eshiselwe okungaba ngokuphelele.Amandla okubamba anganele noma ukulimala endaweni eyi-arch yediski eqhumayo kuzoholela ekwehliseni okukhulu kwengcindezi yokuqhuma, futhi umonakalo omkhulu uzodala ukuthi imbobo yokukhulula ingavulwa.Ukunakekelwa okukhethekile kufanele kuthathwe ngesikhathi sokufakwa.Isebenza kuphela esigabeni segesi
3. Ingcindezi ephezulu yokusebenza ye-reverse arch ring groove bursting disc (YHC/YHCY) ayingaphezu kwezikhathi ezingu-0.9 zengcindezi encane yokuqhuma.Iphukile eduze kwe-groove ebuthaka futhi ayinayo imfucumfucu futhi imelana nokukhathala okuhle.Amandla okubamba anganele noma ukulimala endaweni eyi-arch yediski eqhumayo kuzoholela ekwehliseni okukhulu kwengcindezi yokuqhuma, futhi umonakalo omkhulu uzodala ukuthi imbobo yokukhulula ingavulwa.Ukunakekelwa okukhethekile kufanele kuthathwe ngesikhathi sokufakwa.Ifanele igesi nesigaba se-liquid
4, flat plate inkatho uhlobo (PC) izici ingcindezi aqhume ngokuyinhloko kunqunywa ukujula inkatho, ukukhiqiza kunzima, ikakhulukazi kanzima umfutho ophansi ububanzi encane yokukhiqiza.Ingcindezi ephezulu yokusebenza kwepuleti eliyisicaba eline-groove ngokuvamile ayibi ngaphezu kwezikhathi ezingu-0.5 zengcindezi encane yokuqhuma.Ukuqhuma eduze komfantu obuthakathaka, akukho mfucumfucu, azikho izidingo zokusetshenziswa kwesenzakalo, ukumelana nokukhathala okuncane akwanele amandla okubamba azungezile, kulula ukuholela ekuxegisweni okuzungezile okuxekethile, okuholela ekunciphiseni kokucindezela kokuqhuma, imfucumfucu.Uma nje umonakalo omncane ungenzeki ku-groove, ukucindezela kokuqhuma ngeke kushintshe kakhulu.Ifanele igesi ne-liquid media
5, i-flat plate slit burst disc (PF)②Izici ze-Flat plate slit (PF).
Ngokuvamile, ingcindezi yokusebenza ephezulu ayikwazi ukudlula izikhathi ezingu-0.5 zengcindezi encane yokuqhuma.Izingcezu ezincane zingase zenziwe ngesikhathi sokuqhuma, kodwa azikho izingcezu ezingakhiqizwa ngokuklama okunengqondo kwesakhiwo, futhi ukukhathala kubi.Ukuntuleka kwamandla okubamba eduze komjikelezo kulula ukubangela ukuxega okuzungezile nokuwa, okuholela ekwehleni komfutho wokuqhuma.Uma nje umonakalo omncane ungenzeki ebhulohweni eliphakathi kwezimbobo, ukucindezela kokuqhuma ngeke kushintshe kakhulu.Ngokuvamile esetshenziswa esigabeni igesi
I-graphite eqhuma idiski
Ukucindezela okukhulu kokusebenza akukwazi ukudlula izikhathi ezingu-0.8 zokucindezela okuncane kokuqhuma, imfucumfucu yokuqhuma, ukumelana nokukhathala okubi.Inokumelana nokugqwala okuhle kwemithombo yezindaba ehlukahlukene, kepha ayikwazi ukusetshenziselwa i-oxidizing acid eqinile elungele igesi nesigaba se-liquid.
4 Imithetho yokuqamba amadiski aqhumayo
Uhlobo lwekhodi yobubanzi - idizayini eqhumayo ingcindezi - idizayini eqhuma izinga lokushisa, njenge-YC100-1.0-100 imodeli YC, idizayini yokuqhuma kwengcindezi engu-1.0MPa, idizayini yokuqhuma kwezinga lokushisa elingu-100℃kubonisa ukuthi ukucindezela kokuqhuma komklamo wediski eqhumayo ku-100℃i-1.0MPa.
Isikhathi sokuthumela: Dec-02-2022