1Yakasanganiswa kushandiswa kwevhavhavhavhavha uye kuputika disc
1. Iyo inoputika disc inoiswa pamusuwo wevhavhavha yekudzivirira - iyo inonyanya kukosha yegadziriro iyi ndeyokuti kuputika kwediski kuchaparadzanisa vhavha yekudzivirira uye iyo inotengeswa kunze kwenyika, uye hurongwa hahuna kupera.Mavharuvhu ekuchengetedza haana corroded ne process media, izvo zvinogona kuderedza mutengo wekuchengetedza mavharuvhu.Kamwe iyo system yakawandisa, iyo inoputika disc uye vharafu yekuyamura inogona kuputika panguva imwe chete uye kutanga kudzoreredza kumanikidza.Kana iyo system yekumanikidza inodzokera kune yakajairwa, vharanda rekuchengetedza rinogona kuvharika otomatiki, zvichideredza zvakanyanya kurasikirwa kwepakati.
2. Iyo dhisiki inoputika yakaiswa panzvimbo yekubuda kwevhavhavhavhavha.Mukana wakanyanyozivikanwa weiyi gadziriro ndeyekuti dhisiki rinoputika rinoparadzanisa vharafu yekuchengetedza kubva papombi yekuburitsa veruzhinji panzvimbo yekubuda.
2 Equipment overpressure uye kusarudzwa kwekuchengetedza accessories
1. Equipment overpressure
Overpressure - kazhinji inoreva kuwanda kwekushanda mumidziyo inodarika kudzvanywa kunobvumidzwa kwemidziyo.Equipment overpressure yakakamurwa kuva muviri overpressure uye makemikari overpressure
Kumanikidzwa mukugadzirwa kwemidziyo ndeye gauge pressure
Physical overpressure - Kuwedzera kwekumanikidzwa hakukonzerwi nemakemikari anoita mukati mepakati apo chete kuchinja kwemuviri kunoitika.Chemical overpressure - Kukwira kwekumanikidzwa kunokonzerwa nekemikari kuita mukati mepakati
(1) Mhando dzakajairika dzekudzvinyirira muviri
①Kuwedzeredza kunokonzerwa nekuunganidzwa kwezvinhu mumidziyo uye haigone kuburitswa nenguva;
②Overpressure inokonzerwa nekuwedzera kwezvinhu zvinokonzerwa nekupisa (moto);
③Kuwedzeredza kunokonzerwa nekukasira kudzvinyirira pulsation;kudzvinyirirwa kwenzvimbo kunokonzerwa nekukasira uye nekukurumidza kuvhara kwevhavha, yakadai se "sando yemvura" uye "steam nyundo";kunze kwekuguma kwepombi yehuputi, kutonhora kunotonhora nokukurumidza, kuumbwa kwevacuum yemunharaunda, zvichiita kuti kukurumidza kuyerera kunosvika kumagumo.Kuvhunduka kunoumbwa, zvichiita kuti kuwedzeredza kwakafanana ne "sando yemvura" maitiro.
(2) Mhando dzakajairika dzemakemikari overpressure
①Deflation yegasi rinopisa (aerosol) inokonzera kuwandisa
②marudzi ese ehupfu uye kuputika kunokonzera kudzvanyirira kwakanyanya
③exothermic chemical reaction control inokonzera kuwandisa
2. Kunyanya kudzvinyirira mudziyo
①Safe release musimboti
Equipment overpressure, iyo midziyo pane yekuchengetedza accessories pakarepo chiito, iyo overpressure media inoburitswa nenguva kuchengetedza mudziyo.Izvo zvinodiwa kuti uwane kuti yakawanda sei midhiya inogadzirwa panguva yeyuniti, uye chiteshi chekuburitsa chinogona zvakare kuburitswa mukati menguva yeyuniti.Chiyero chekuyamura panguva yeyuniti yakakura kudarika chiyero chekusimudzira, uye iyo yakanyanya kudzvinyirira mumidziyo yakaderera pane yakanyanya kubvumidzwa kumanikidzwa kwemidziyo.
②Overpressure yekuyamura mudziyo
Nheyo yekushanda yakakamurwa kuita marudzi maviri: kuregererwa kwepamusoro uye kuregererwa kwekushisa
Common overpressure relief device: pressure relief valve uye bursting disc.
Kushanda musimboti wekuputika disc
Kana iyo calibration kuputika kudzvanywa kwasvikwa mumidziyo, iyo kuputika disc inoputika ipapo ipapo uye nzira yekuburitsa ichavhurwa zvachose.
Zvakanakira:
①Sensitive, chakarurama, chakavimbika, hapana leakage.
②Saizi yenzvimbo yekuburitsa haina kuganhurirwa, uye iyo yakakodzera nzvimbo yakafara (senge tembiricha yakakwira, kudzvanywa kwepamusoro, nzvimbo yechokwadi, corrosion yakasimba, nezvimwewo).
③Chimiro chakareruka, kugadzirisa kuri nyore uye humwe hunhu hwakakurumbira hwekukanganisa: chiteshi hachigone kuvharwa mushure mekuvhurwa, zvese kurasikirwa kwezvinhu.
3 Kurongeka uye maitiro ezvimiro zvekuputika disc
1. Kurongwa kwekuputika disc
Chimiro che disc inoputika inogona kukamurwa kuita yakanaka arch bursting disc (concave compression), anti-arch bursting disc (convex compression), flat plate bursting disc uye graphite bursting disc.
Iko kutadza kwemakanika kweiyo kuputika disc kunogona kukamurwa kuita tensile kutadza mhando, kusagadzikana kutadza mhando uye kukotama kana kuveura kutadza rudzi.Iyo tensile inoparadza inoputika disc, ine tensile kushushikana mu diaphragm, inogona kukamurwa kuita: arch yakajairika mhando, arch groove mhando, plate groove mhando, arch slit mhando uye ndiro slit mhando.Iyo instability breakage type bursting disc, iyo compression stress mu diaphragm, inogona kukamurwa kuita: reverse arch bhandi banga rerudzi, reverse arch alligator zino rudzi, reverse arch bhandi groove bending kana shear kutadza kuputika disc, diaphragm shear kukundikana: kunyanya inoreva yakazara zvinhu kugadzirisa, senge graphite yakagadzirwa nekuputika disc.
2. Mhando dzakajairika uye makodhi ekuputika discs
(1) Mechanical maitiro ekumberi-anoita kuputika disc - concave compression, tensile kukuvara, inogona kuve imwechete layer kana yakawanda-layer, kodhi ine "L" kutanga.Kurongeka kweiyo yakanaka arch bursting disc: yakanaka arch yakajairika mhando inoputika disc, kodhi: LP yakanaka arch groove mhando bursting disc, kodhi: LC yakanaka arch slotted bursting disc, kodhi: LF
(2) reverse-acting mechanical maitiro - convex compression, kusagadzikana kukanganisa, inogona kuva imwe layer kana yakawanda-layer, code ine "Y" kutanga.Kurongwa kwe reverse arch bursting disc: Reverse arch nebanga type bursting disc, code: YD reverse arch alligator zino type bursting disc, code: YE reverse arch cross groove type (welded) bursting disc, code: YC (YCH) reverse arch ring groove mhando inoputika disc, kodhi: YHC (YHCY)
(3) Kushushikana kwehunhu hweflat shaped bursting disc - zvishoma nezvishoma deformation uye arch mushure mekushushikana kuti usvike kune yakatemerwa kumanikidza kutadza kutadza, inogona kuve imwe-layer, yakawanda-layer, kodhi ine "P" kutanga.Kurongeka kweplate flat plate bursting disc: flat plate ine groove type bursting disc, code: PC flat plate slit type bursting disc, code: PF (4) Graphite bursting disc Mechanical maitiro ekuputika disc - kukuvadzwa neshear action.Zita rekodhi: PM
3. marudzi akasiyana-siyana ekuputika kwehupenyu hwehupenyu
Madhisiki ese anoputika akagadzirwa uye anogadzirwa zvinoenderana nehupenyu hwekupedzisira, pasina chengetedzo coefficient.Kana iyo yakatsanangurwa kuputika kumanikidzwa kwasvika, inoputika ipapo ipapo.Hupenyu hwayo hwekuchengetedza hunonyanya kuenderana nechimiro chechigadzirwa, hunhu hwekushushikana uye chiyero chepamusoro pekushandisa kumanikidza kune kushoma kuputika kudzvinyirira - chiyero chekushanda.Kuti uve nechokwadi chekushandiswa kwenguva refu kwemadhisiki anoputika, ISO4126-6 yepasi rose chiyero Chikumbiro, kusarudzwa uye Kuiswa kweanoputika disc kuchengetedza zvishandiso inotsanangura iyo yakanyanya kubvumidzwa chiyero chekushanda kwemadhisiki ekuputika emhando dzakasiyana.Mitemo yacho ndeiyi:
①Normal arch bursting disc - yakanyanya kushanda mwero≤0.7 nguva
②positive arch groove uye positive arch slit bursting disc - maximum operation rate≤0.8 nguva
③marudzi ese ereverse arch bursting disc (ine groove, nebanga, nezvimwewo) - yakanyanya mwero wekushanda≤0.9 nguva
④Flat shaped bursting disc - yakanyanya kushanda mwero≤0.5 nguva
⑤graphite bursting disc - yakanyanya kushanda mwero≤0.8 nguva
4. Shandisa maitiro ekuputika disc
①Hunhu hwearch yakajairika mhando bursting disc (LP)
Kudzvinyirirwa kwekuputika kunotarirwa nehupamhi hwezvinhu uye dhayamita yekubuda, uye inogumira nehupamhi uye dhayamita ye diaphragm.Iyo yakanyanya kumanikidza yekushanda haifaniri kudarika 0.7 nguva dzeiyo shoma kuputika kudzvinyirira.Kuputika kunoburitsa marara, haagone kushandiswa kupisa uye kuputika kana kusabvumidzwa kuve nezviitiko zvemarara (senge munhevedzano nevhavhavhavha), kuneta kuramba.Kushaikwa kwesimba rekumanikidza kutenderedza perimeter kuri nyore kukonzeresa yakatenderedza uye kudonha, zvichikonzera kudzikiswa kwekuputika kwemhepo.Kazhinji kukuvadza kudiki hakuzokanganisa zvakanyanya kudzvanywa kwekuputika.Inokodzera gasi uye liquid media
②Hunhu hunoputika hudzvanyiriri hwe groove type bursting disc (LC)
In straight arch bhandi rinonyanya kutariswa negroove deep, iyo yakaoma kugadzira.Iyo yakanyanya kushanda kudzvinyirira kweiyo kuputika disc haingapfuuri 0.8 nguva dzeiyo shoma kuputika kudzvinyirira.Kuputika pamwe chete negomba rakapera simba rakatsemuka, hapana marara, hapana zvinodiwa zvekushandisa chiitiko, kwakanaka kuneta kuramba.Kushaikwa kwesimba rekumanikidza kutenderedza perimeter kuri nyore kuita kuti perimeter isununguke uye ichidonha, zvichikonzera kudzikiswa kwekuputika kwemhepo uye marara.Chero bedzi kukuvadza kuduku kusingaiti mugororo, kuputika kwemhepo hakuzoshanduki zvakanyanya.Inokodzera gasi uye liquid media
③Iyo inoputika dzvinyiriro yeyakatwasuka arch slit type bursting disc (LF) inonyanya kutariswa negomba spacing, iyo iri nyore kugadzira uye inowanzo shandiswa mune yakaderera yekumanikidza nguva.Ita shuwa kuti iyo yakanyanya kumanikidza kushanda haigone kudarika 0.8 nguva dzeiyo shoma kuputika kudzvanywa.Zvimedu zvidiki zvinogona kugadzirwa panguva yekuputika, asi kuburikidza neyakagadziriswa dhizaini, hapana zvidimbu zvinogona kugadzirwa uye kuneta kuramba kwakajairwa.Kushaikwa kwesimba rekumanikidza kutenderedza perimeter kuri nyore kukonzeresa yakatenderedza uye kudonha, zvichikonzera kudzikiswa kwekuputika kwemhepo.Kana kukuvara kukasaitika pabhiriji pfupi, hazvizokonzerese shanduko yakakosha mukumanikidza kwekuputika
1. Kudzvinyirirwa kweYD uye YE kuputika kwediski kunonyanya kugadziriswa nehupamhi hwechinhu chisina chinhu uye kureba kwearch.YE mhando inowanzo shandiswa kune yakaderera kudzvanywa.Kana iyo yakanyanya kumanikidza yekushanda isingapfuuri 0.9 nguva yedikidiki kuputika kumanikidza, iyo diaphragm ichapidigura uye nekukanganisa pablade kana zvimwe zvakapinza zvimiro uye kutyora, hapana marara anogadzirwa, uye kuneta kuramba kwakanaka kwazvo.Mushure mekuputika kwega kwega kwebanga gripper, banga rinofanirwa kugadziriswa nekuda kwekusakwana kwesimba rekumanikidza kana kukuvadzwa kune arch pamusoro peiyo bursting disc, izvo zvinozotungamira kuderedzwa kwakanyanya kweiyo kuputika kudzvanywa, uye zvakakomba mhedzisiro mukutadza kuvhura chiteshi chekuburitsa. .Kunyatsotarisirwa kunofanira kutorwa panguva yekuisa.Inoshanda chete muchikamu chegasi
2. Kunyanya kushanda kumanikidziro ye backarch cross groove type (YC) uye backarch cross groove welded (YCH) kuputika disc haigoni kudarika 0.9 nguva yediki shoma inoputika.Kuputika pamwe chete negororo risina simba rakaputsika kuita mavharuvhu mana, hapana marara, yakanaka kwazvo kuneta kuramba, uye hapana kuvuza kwewelded bursting disc inogona zvachose.Kusakwana kwesimba rekumanikidza kana kukuvadza kune arch pamusoro peiyo bursting disc inotungamira kuderedzwa kwakanyanya kweiyo kuputika kudzvanywa, uye kukuvara kwakanyanya kuchaita kuti chiteshi chekuburitsa chisavhurwe.Kunyatsotarisirwa kunofanira kutorwa panguva yekuisa.Inoshanda chete muchikamu chegasi
3. Kunyanya kushanda kwekushanda kwe reverse arch ring groove bursting disc (YHC / YHCY) haisi kupfuura 0.9 nguva yediki shoma inoputika.Yakaputsika pamwe chete negomba risina simba risina marara uye kumira kwakanaka kuneta.Kusakwana kwesimba rekumanikidza kana kukuvadza kune arch pamusoro peiyo bursting disc inotungamira kuderedzwa kwakanyanya kweiyo kuputika kudzvanywa, uye kukuvara kwakanyanya kuchaita kuti chiteshi chekuburitsa chisavhurwe.Kunyatsotarisirwa kunofanira kutorwa panguva yekuisa.Inokodzera gasi uye fluid chikamu
4, flat plate groove type (PC) maitiro ekuputika kunonyanya kutariswa nekudzika kwegorofu, kugadzira kwakaoma, kunyanya kuoma kune yakaderera dhiyamita dhayamita kugadzira.Iyo yakanyanya kumanikidza kushanda kweplateti ine groove kazhinji haina kupfuura 0.5 nguva dzeiyo shoma kuputika kudzvanywa.Kuputika pamwe chete negomba rakapedzwa simba, hapana marara, hapana zvinodiwa zvekushandiswa kwechiitiko, kushomeka kuneta kuramba hakuna kukwana kwakapoteredza clamping simba, nyore kutungamira kune yakatenderedza yakasununguka kure, zvichikonzera kuderedzwa kwekuputika kumanikidza, marara.Chero bedzi kukuvadza kuduku kusingaiti mugororo, kuputika kwemhepo hakuzoshanduki zvakanyanya.Inokodzera gasi uye liquid media
5, flat plate slit burst disc (PF)②Flat plate slit type (PF) maitiro
Kazhinji, iyo yakanyanya kumanikidza yekushanda haigone kudarika 0.5 nguva dzeiyo shoma kuputika kudzvanywa.Zvimedu zvidiki zvinogona kugadzirwa panguva yekuputika, asi hapana zvidimbu zvinogona kugadzirwa kuburikidza neane musoro dhizaini, uye kuneta kwakashata.Kushaikwa kwesimba rekumanikidza kutenderedza perimeter kuri nyore kukonzeresa yakatenderedza uye kudonha, zvichikonzera kudzikiswa kwekuputika kwemhepo.Chero bedzi kukuvara kudiki kusingaitike pabhiriji pakati pemakomba, iyo blasting pressure haizochinji zvakanyanya.Kazhinji inoshandiswa muchikamu chegesi
Graphite inoputika disc
Iyo yakanyanya kushanda kudzvanywa haigone kudarika 0.8 nguva dzeiyo shoma kuputika kumanikidza, kuputika marara, kushomeka kuneta kuramba.Iyo ine yakanaka corrosion kuramba kune akasiyana midhiya, asi haigone kushandiswa kune yakasimba oxidizing asidhi inokodzera gasi uye fluid chikamu.
4 Mitemo yekupa mazita ekuputika discs
Type kodhi dhayamita - dhizaini inoputika kumanikidza - dhizaini inoputika tembiricha, senge YC100-1.0-100 modhi YC, dhizaini inoputika dhizaini 1.0MPa, dhizaini inoputika tembiricha 100℃inoratidza kuti dhizaini inoputika kudzvanywa kweiyo kuputika disc pa100℃iri 1.0MPa.
Nguva yekutumira: Zvita-02-2022