1Kuphatikizika kwa ma valve otetezeka ndi disc yophulika
1. Kuphulika kwa diski kumayikidwa pakhomo la valavu yotetezera - ubwino wodziwika bwino wa izi ndikuti phokoso lophulika lidzalekanitsa valavu yachitetezo ndi njira yotumizira kunja, ndipo dongosololi liribe kutaya.Ma valve otetezeka samawonongeka ndi njira zamakono, zomwe zingathe kuchepetsa mtengo wa ma valve otetezera.Dongosolo likangowonjezereka, diski yophulika ndi valavu yothandizira zimatha kuphulika nthawi imodzi ndikuyamba kuchepetsa kupanikizika.Pamene kupanikizika kwa dongosolo kumabwerera mwakale, valavu yotetezera ikhoza kutsekedwa, kuchepetsa kwambiri kutaya kwapakati.
2. Chimbale chophulika chimayikidwa pamtunda wa valve yotetezera.Ubwino wodziwika bwino pakukhazikitsa uku ndikuti chimbale chophulika chidzalekanitsa valavu yachitetezo papaipi yotulutsa anthu pamalopo.
2 Zida overpressure ndi kusankha kwa chitetezo Chalk
1. Kuponderezedwa kwa zida
Kupsyinjika kwakukulu - kawirikawiri kumatanthauza kupanikizika kwakukulu kwa ntchito mu zipangizo zomwe zimaposa mphamvu yovomerezeka ya zipangizo.Zida overpressure lagawidwa mu thupi overpressure ndi mankhwala overpressure
Kupanikizika mu kapangidwe ka zida ndi kuthamanga kwa gauge
Kuchuluka kwa thupi - Kuwonjezeka kwa kupanikizika sikumayambika chifukwa cha mankhwala omwe ali pakati pomwe kusintha kwa thupi kumachitika.Chemical overpressure - Kuchuluka kwa kupsinjika komwe kumachitika chifukwa cha zomwe zimachitika mkatikati
(1) Mitundu yofala ya kupsinjika kwakuthupi
①Kupsyinjika kwakukulu komwe kumachitika chifukwa cha kudzikundikira kwa zinthu m'zida ndipo sikungathe kutulutsidwa munthawi yake;
②Overpressure chifukwa cha kukula zinthu chifukwa cha kutentha (moto);
③Kupsyinjika kwakukulu komwe kumachitika chifukwa cha kuthamanga kwanthawi yomweyo;kukwera kwapang'onopang'ono komwe kumachitika chifukwa cha kutseka kwadzidzidzi komanso kofulumira kwa valavu, monga "nyundo yamadzi" ndi "steam nyundo";kuwonjezera pa mapeto a chitoliro nthunzi, nthunzi kuzirala mwamsanga, m`deralo vacuum mapangidwe, chifukwa mofulumira nthunzi otaya mpaka mapeto.Kugwedezeka kumapangidwa, kuchititsa kupanikizika kofanana ndi "nyundo yamadzi".
(2) Mitundu yodziwika bwino yamankhwala osokoneza bongo
①Kutsika kwa mpweya woyaka (aerosol) kumayambitsa kupsinjika kwambiri
②mitundu yonse ya organic ndi inorganic kuyaka fumbi kuyaka ndi kuphulika zimayambitsa overpressure
③Exothermic chemical reaction control imayambitsa kupanikizika kwambiri
2. Chida chothandizira kupanikizika kwambiri
①Mfundo yomasulidwa yotetezeka
Zida overpressure, zida pachitetezo Chalk nthawi yomweyo kuchitapo kanthu, overpressure media adzamasulidwa mu nthawi kuteteza chidebe.Zimafunika kukwaniritsa kuchuluka kwa media zomwe zimapangidwira panthawi imodzi, ndipo doko lotulutsa litha kutulutsidwanso mkati mwa nthawi imodzi.Kuthamanga kwapang'onopang'ono pa nthawi ya unit ndi yaikulu kuposa kuthamanga kwapamwamba, ndipo kupanikizika kwakukulu mu zipangizozo kumakhala kochepa kwambiri kuposa mphamvu yovomerezeka ya zipangizo.
②Chida chothandizira kupanikizika kwambiri
Mfundo ya ntchitoyo imagawidwa m'mitundu iwiri: mpumulo wa overpressure ndi kutentha kwapamwamba
Chida chodziwika bwino chothandizira kupsinjika: vavu yopumira ndi diski yophulika.
Mfundo yogwira ntchito yophulika disk
Pamene mphamvu yophulika ya calibration ikufika pazida, diski yophulika idzaphulika nthawi yomweyo ndipo njira yotulutsidwa idzatsegulidwa kwathunthu.
Ubwino:
①Zomverera, zolondola, zodalirika, zopanda kutayikira.
②Kukula kwa malo otulutsirako sikuli kochepa, ndipo malo oyenerera ndi aakulu (monga kutentha kwakukulu, kuthamanga kwambiri, malo enieni, dzimbiri zamphamvu, etc.).
③Kapangidwe kosavuta, kukonza kosavuta ndi zina zodziwika bwino za zolakwikazo: njirayo siyingatsekeke mutatha kutsegulidwa, kutaya zinthu zonse.
3 Kugawika ndi mawonekedwe a diski yophulika
1. Gulu la chimbale chophulika
Mawonekedwe a chimbale chophulika chikhoza kugawidwa kukhala chimbale chabwino chophulika (kuponderezedwa kwa concave), anti-arch bursting disc (convex compression), flat plate bursting disc ndi graphite bursting disc.
Kulephera kwamakina kwa chimbale chophulika kumatha kugawidwa kukhala mtundu wolephera wosakhazikika, mtundu wolephera wosakhazikika komanso kupindika kapena kumeta ubweya.Dongosolo lophulika lowononga lowononga, lomwe lili ndi kupsinjika kwamphamvu mu diaphragm, limatha kugawidwa kukhala: mtundu wamba wamba, mtundu wa arch groove, mtundu wa groove plate, mtundu wa arch slit ndi mtundu wa slit mbale.Kusakhazikika kwamtundu wosweka kuphulika kwa chimbale, kupsinjika kwapa diaphragm, kumatha kugawidwa kukhala: mtundu wa mpeni wokhotakhota, reverse arch alligator mtundu wa dzino, reverse arch lamba poyambira kupinda kapena kukameta ubweya kuphulika chimbale, diaphragm kukameta ubweya kulephera: makamaka amatanthauza kukonza zinthu zonse, monga graphite yopangidwa ndi chimbale chophulika.
2. Mitundu wamba ndi zizindikiro za burst discs
(1) Mawonekedwe amakina a chimbale chowombera kutsogolo - kuponderezana kwa concave, kuwonongeka kwamphamvu, kumatha kukhala wosanjikiza umodzi kapena wosanjikiza wambiri, code yokhala ndi "L" kuyambira.Magulu a diski yophulika ya arch: zabwino zamtundu wamba zophulika, code: LP positive arch groove type bursting disc, code: LC positive arch slotted bursting disc, code: LF
(2) machitidwe osinthira-makina - kuponderezana kwa convex, kuwonongeka kosakhazikika, kumatha kukhala wosanjikiza umodzi kapena wosanjikiza wambiri, code yokhala ndi "Y" kuyambira.Gulu la reverse arch bursting disc: Reverse arch ndi mpeni wamtundu wophulika chimbale, code: YD reverse arch alligator dzino mtundu bursting disc, code: YE reverse arch cross groove mtundu (welded) bursting disc, code: YC (YCH) reverse arch ring groove lembani chimbale chophulika, kodi: YHC (YHCY)
(3) Makhalidwe opanikizika a diski yophulika yooneka ngati lathyathyathya - kusinthika pang'onopang'ono ndi kugwedezeka pambuyo pa kupanikizika kuti afikire kulephera kwachitsulo chokhazikika, akhoza kukhala wosanjikiza umodzi, wosanjikiza wambiri, code ndi "P" kuyambira.Chigawo cha mbale ya flat plate bursting disc: flat plate with groove type bursting disc, code: PC flat plate slit type bursting disc, code: PF (4) Graphite bursting disc Makhalidwe a makina a diski yophulika - kuonongeka ndi kumeta ubweya.Kodi dzina: PM
3. mitundu yosiyanasiyana ya mawonekedwe a burst disc life
Ma disks onse ophulika amapangidwa ndikupangidwa molingana ndi moyo wamtheradi, popanda chitetezo chokwanira.Pamene mphamvu yophulika yotchulidwa ifika, idzaphulika nthawi yomweyo.Moyo wake wachitetezo makamaka umadalira mawonekedwe a chinthucho, mawonekedwe a kupsinjika ndi kuchuluka kwa kukakamiza kopitilira muyeso mpaka kutsika kochepa kwambiri - kuchuluka kwa magwiridwe antchito.Pofuna kuwonetsetsa kugwiritsidwa ntchito kwa nthawi yayitali kwa ma disks ophulika, ISO4126-6 muyezo wapadziko lonse lapansi Kugwiritsa ntchito, kusankha ndi Kuyika kwa zida zotetezedwa za disk zomwe zikuphulika zimatchula kuchuluka kovomerezeka kwa ma disks ophulika amitundu yosiyanasiyana.Malamulowo ndi awa:
①Normal arch bursting chimbale - pazipita ntchito mlingo≤0.7 nthawi
②positive arch groove ndi positive arch slit bursting disc - pazipita ntchito mlingo≤0.8 nthawi
③mitundu yonse ya reverse arch bursting disc (ndi poyambira, ndi mpeni, ndi zina) - kuchuluka kwa magwiridwe antchito≤0.9 nthawi
④Lathyathyathya zoboola pakati kuphulika chimbale - pazipita ntchito mlingo≤0.5 nthawi
⑤graphite bursting disc - pazipita ntchito mlingo≤0.8 nthawi
4. Gwiritsani ntchito mawonekedwe a chimbale chophulika
①Makhalidwe a arch normal type bursting disc (LP)
Kuthamanga kwapang'onopang'ono kumatsimikiziridwa ndi makulidwe a zinthu ndi m'mimba mwake, ndipo amachepetsedwa ndi makulidwe ndi m'mimba mwake mwa diaphragm.The pazipita ntchito kuthamanga sayenera upambana 0,7 nthawi osachepera anaphulika kuthamanga.Kuphulika kumatulutsa zinyalala, zomwe sizingagwiritsidwe ntchito poyaka ndi kuphulika kapena kusaloledwa kukhala ndi zochitika za zinyalala (monga mndandanda ndi valve yotetezera), kukana kutopa.Kusowa kwa clamping mphamvu kuzungulira wozungulira ndikosavuta kupangitsa kuti zozungulira zizimasuka ndikugwa, zomwe zimapangitsa kuchepa kwamphamvu yakuphulika.Kawirikawiri kuwonongeka kwazing'ono sikungakhudze kwambiri kuthamanga kwapakati.Yoyenera gasi ndi media media
②Kuthamanga kwapadera kwa groove type bursting disc (LC)
In lamba wowongoka kwambiri amatsimikiziridwa ndi kuya kwa groove, komwe kumakhala kovuta kupanga.Kuthamanga kwakukulu kogwira ntchito kwa disc yophulika sikudutsa nthawi za 0,8 za kupanikizika kochepa kwambiri.Kuphulika pamodzi ndi kung'ambika kopanda mphamvu kugawanika, palibe zinyalala, palibe zofunikira zogwiritsira ntchito mwambowu, kukana kutopa kwabwino.Kusowa kwa clamping mphamvu kuzungulira wozungulira ndikosavuta kupangitsa kuti gawolo lisungunuke ndikugwa, zomwe zimapangitsa kuchepa kwa kuphulika kwa bomba ndi zinyalala.Malingana ngati zowonongeka zazing'ono sizichitika mu poyambira, kuthamanga kwapakati sikudzasintha kwambiri.Yoyenera gasi ndi media media
③Kuthamanga kwamphamvu kwa straight arch slit type bursting disc (LF) kumatsimikiziridwa makamaka ndi malo otsetsereka, omwe ndi osavuta kupanga komanso kugwiritsidwa ntchito pakanthawi kochepa.Onetsetsani kuti kukakamiza kwakukulu kogwira ntchito sikungapitirire nthawi 0,8 ya kuthamanga kocheperako.Tizidutswa tating'onoting'ono titha kupangidwa pophulitsidwa, koma kutengera kamangidwe koyenera, palibe tizidutswa tating'ono ting'onoting'ono ndipo kukana kutopa ndikwachilendo.Kusowa kwa clamping mphamvu kuzungulira wozungulira ndikosavuta kupangitsa kuti zozungulira zizimasuka ndikugwa, zomwe zimapangitsa kuchepa kwamphamvu yakuphulika.Ngati kuwonongeka sikuchitika pa mlatho waufupi, sikudzachititsa kusintha kwakukulu mu kuthamanga kwaphulika
1. Kuthamanga kwapang'onopang'ono kwa disc ya YD ndi YE kuphulika kumatsimikiziridwa makamaka ndi makulidwe a chopanda kanthu ndi kutalika kwa arch.Mtundu wa YE nthawi zambiri umagwiritsidwa ntchito pazovuta zochepa.Pamene kupanikizika kwakukulu kogwira ntchito sikupitirira nthawi 0,9 ya kuphulika kochepa kwambiri, diaphragm idzagwedezeka ndi kukhudza tsamba kapena zida zina zakuthwa ndikusweka, palibe zinyalala zomwe zidzapangidwe, ndipo kukana kutopa kumakhala bwino kwambiri.Pambuyo pa kuphulika kwa mpeni uliwonse, mpeniwo uyenera kukonzedwa chifukwa cha mphamvu yosakwanira yogwedeza kapena kuwonongeka kwa arch pamwamba pa chimbale chophulika, zomwe zidzachititsa kuti kuchepetsa kwambiri kuphulika kwamphamvu, ndi zotsatira zazikulu za kulephera kutsegula doko lomasulidwa. .Chisamaliro chapadera chiyenera kuchitidwa panthawi yoika.Zimangogwira ntchito mu gawo la gasi
2. The pazipita ntchito mavuto a backarch mtanda poyambira mtundu (YC) ndi backarch mtanda poyambira welded (YCH) kuphulika chimbale sangakhale oposa 0,9 nthawi osachepera kuphulika kuthamanga.Kuphulika motsatira poyambira chofooka kumasweka kukhala mavavu anayi, palibe zinyalala, kukana kutopa kwabwino, ndipo palibe kutayikira kwa chimbale chophulika chomwe chingathe kutha.Kusakwanira kwamphamvu yokhotakhota kapena kuwonongeka kwa arch pamwamba pa chimbale chophulika kumabweretsa kuchepa kwakukulu kwa kuphulika kwamphamvu, ndipo kuwonongeka kwakukulu kumapangitsa kuti doko lomasulidwa lisatsegulidwe.Chisamaliro chapadera chiyenera kuchitidwa panthawi yoika.Zimangogwira ntchito mu gawo la gasi
3. Kuthamanga kwakukulu kwa ntchito ya reverse arch ring groove bursting disc (YHC/YHCY) sikuposa nthawi za 0.9 za kuphulika kochepa.Imathyoledwa pamodzi ndi poyambira yofooka popanda zinyalala komanso kukana kutopa.Kusakwanira kwamphamvu yokhotakhota kapena kuwonongeka kwa arch pamwamba pa chimbale chophulika kumabweretsa kuchepa kwakukulu kwa kuphulika kwamphamvu, ndipo kuwonongeka kwakukulu kumapangitsa kuti doko lomasulidwa lisatsegulidwe.Chisamaliro chapadera chiyenera kuchitidwa panthawi yoika.Oyenera gasi ndi madzi gawo
4, lathyathyathya mbale poyambira mtundu (PC) makhalidwe a kuphulika kuthamanga makamaka anatsimikiza ndi poyambira kuya, kupanga ndi zovuta, makamaka zovuta otsika kuthamanga m'mimba mwake kupanga.Kuthamanga kwakukulu kogwira ntchito kwa mbale yathyathyathya yokhala ndi poyambira nthawi zambiri sikupitilira nthawi 0.5 ya kuthamanga kocheperako.Kuphulika m'mphepete mwa mng'alu wofooka, palibe zinyalala, palibe zofunikira zogwiritsira ntchito mwambowu, kukana kutopa sikukwanira ozungulira clamping mphamvu, zosavuta kutsogolera zozungulira zotayirira, zomwe zimapangitsa kuchepetsa kuthamanga kwa kuphulika, zinyalala.Malingana ngati zowonongeka zazing'ono sizichitika mu poyambira, kuthamanga kwapakati sikudzasintha kwambiri.Yoyenera gasi ndi media media
5, lathyathyathya mbale anatumbula chimbale chophulika (PF)②Makhalidwe a Flat plate Slit Type (PF).
Nthawi zambiri, kukakamiza kwakukulu kogwira ntchito sikungapitirire nthawi 0,5 ya kuthamanga kochepa kwambiri.Zidutswa zing'onozing'ono zitha kupangidwa panthawi yophulika, koma palibe tizidutswa tating'onoting'ono tating'onoting'ono tating'onoting'ono, ndipo kutopa kumakhala kochepa.Kusowa kwa clamping mphamvu kuzungulira wozungulira ndikosavuta kupangitsa kuti zozungulira zizimasuka ndikugwa, zomwe zimapangitsa kuchepa kwamphamvu yakuphulika.Malingana ngati zowonongeka zazing'ono sizichitika pa mlatho pakati pa mabowo, kuthamanga kwaphulika sikudzasintha kwambiri.Nthawi zambiri ntchito gasi gawo
Kuphulika kwa graphite disc
The pazipita ntchito kuthamanga sangathe upambana 0,8 nthawi osachepera kuphulika kuthamanga, kuphulika zinyalala, osauka kutopa kukana.Iwo ali wabwino dzimbiri kukana zosiyanasiyana TV, koma sangathe ntchito amphamvu oxidizing asidi oyenera mpweya ndi madzi gawo.
4 Malamulo otchulira ma disc ophulika
Mtundu wamtundu wa code - kapangidwe kaphatikizidwe kophulika - kapangidwe kophulika kutentha, monga YC100-1.0-100 mtundu wa YC, kapangidwe kophulika kukakamiza 1.0MPa, kapangidwe kophulika kutentha 100℃zikuwonetsa kuti mapangidwe akuphulika kupanikizika kwa disc yophulika pa 100℃ndi 1.0MPa.
Nthawi yotumiza: Dec-02-2022