1Ukusetyenziswa okudibeneyo kwevalve yokhuseleko kunye nediski eqhumayo
1. I-disc eqhumayo ifakwe ekungeneni kwe-valve yokhuseleko - inzuzo eqhelekileyo yesi silungiselelo kukuba i-disc eqhumayo iya kuhlukanisa i-valve yokukhusela kunye nenkqubo yenkqubo yokungenisa, kwaye inkqubo ayinakho ukuvuza.Iivalve zokhuseleko azingcoliswanga yinkqubo yemidiya, enokunciphisa iindleko zeevalvu zokhuseleko.Nje ukuba inkqubo icinezele kakhulu, idiski eqhumayo kunye nevalve yokukhulula inokugqabhuka ngaxeshanye kwaye iqalise ukukhulula uxinzelelo.Xa uxinzelelo lwenkqubo lubuyela ngokuqhelekileyo, i-valve yokukhusela ingavalwa ngokuzenzekelayo, inciphisa kakhulu ukulahleka kwendawo.
2. I-disc yokuqhuma ifakwe kwi-outlet ye-valve yokhuseleko.Olona ncedo luxhaphakileyo kolu seto kukuba idiski egqabhukileyo iya kwahlula ivalve yokhuseleko kumbhobho wokukhupha uluntu kwindawo yokuphuma.
2 Uxinzelelo olugqithisileyo lwezixhobo kunye nokukhethwa kwezixhobo zokhuseleko
1. Uxinzelelo olugqithisileyo lwezixhobo
Uxinzelelo olugqithisileyo - ngokuqhelekileyo lubhekisela kuxinzelelo oluphezulu lokusebenza kwisixhobo sidlula uxinzelelo oluvumelekileyo lwezixhobo.Uxinzelelo olugqithisileyo lwezixhobo lwahlulahlulwe lwaba luxinzelelo lomzimba olugqithisileyo kunye noxinzelelo lwamachiza
Uxinzelelo kuyilo lwezixhobo luxinzelelo lwegeyiji
Uxinzelelo lomzimba - Ukunyuka koxinzelelo akubangelwa ukuphendulwa kweekhemikhali phakathi apho kwenzeka utshintsho lomzimba kuphela.Ukunyanzeliswa kweekhemikhali - Ukunyuka koxinzelelo olubangelwa ukusabela kweekhemikhali phakathi
(1) Iintlobo eziqhelekileyo zoxinzelelo olugqithisileyo lomzimba
①Uxinzelelo olugqithisileyo olubangelwa kukuqokelela kwezinto kwisixhobo kwaye alukwazi ukukhutshwa ngexesha;
②Oi-verpressure ebangelwa ukwanda kwezinto ezibangelwa ukushisa (umlilo);
③Uxinzelelo olugqithisileyo olubangelwa yi-pulsation yoxinzelelo ngokukhawuleza;ukunyuka koxinzelelo lwengingqi okubangelwa ukuvaleka ngokukhawuleza nangokukhawuleza kwevalve, “njengesando samanzi” kunye “nesando somphunga”;ukongeza ekupheleni kombhobho we-steam, ukupholisa umphunga ngokukhawuleza, ukubunjwa kwe-vacuum yendawo, okubangelwa ukuhamba ngokukhawuleza komphunga ukuya ekupheleni.Umothuko wenziwa, obangela uxinzelelo olugqithisileyo olufana nesiphumo "sando samanzi".
(2) Iintlobo eziqhelekileyo zoxinzelelo lwamachiza
①Ukuncitshiswa kwerhasi etshayo (i-aerosol) kubangela uxinzelelo olugqithisileyo
②zonke iintlobo zezinto eziphilayo kunye ne-inorganic ezivuthayo zokutsha kunye nokudubula kubangela uxinzelelo olugqithisileyo
③Ulawulo lwekhemikhali exothermic lubangela uxinzelelo olugqithisileyo
2. Isixhobo sokunciphisa uxinzelelo olugqithisileyo
①Umgaqo okhuselekileyo wokukhululwa
Uxinzelelo olugqithisileyo lwezixhobo, izixhobo ezikwizixhobo zokhuseleko zisebenza ngokukhawuleza, imidiya yoxinzelelo iya kukhutshwa kwangethuba ukukhusela isikhongozeli.Kuyafuneka ukufezekisa ukuba ingakanani imidiya eyenziwa ngexesha leyunithi, kwaye i-port yokukhulula nayo ingakhutshwa ngexesha leyunithi.Isantya sokunciphisa uxinzelelo ngexesha leyunithi likhulu kunomlinganiselo wokunyusa uxinzelelo, kwaye uxinzelelo oluphezulu kwisixhobo lungaphantsi koxinzelelo oluphezulu oluvumelekileyo lwezixhobo.
②Isixhobo sokunciphisa uxinzelelo
Umgaqo wokusebenza wahlulwe waba ziindidi ezimbini: ukunyibilika koxinzelelo olugqithisileyo kunye nobushushu obugqithisileyo
Isixhobo esiqhelekileyo sokunciphisa uxinzelelo: i-valve yokunciphisa uxinzelelo kunye nediski eqhumayo.
Umgaqo wokusebenza wediski eqhumayo
Xa i-calibration bursting pressure ifinyelelwe kwisixhobo, i-disc eqhumayo iya kuqhuma ngokukhawuleza kwaye umjelo wokukhulula uya kuvulwa ngokupheleleyo.
Izinto eziluncedo:
①Inovakalelo, ichanekile, inokuthenjwa, akukho kuvuza.
②Ubungakanani bendawo yokukhutshwa akukhawulelwanga, kwaye indawo efanelekileyo ibanzi (njengokushisa okuphezulu, uxinzelelo oluphezulu, indawo eyinyani, i-corrosion enamandla, njl.).
③Isakhiwo esilula, ukugcinwa okufanelekileyo kunye nezinye iimpawu ezibalaseleyo zeentsilelo: umjelo awukwazi ukuvalwa emva kokuvulwa, yonke ilahleko yezinto eziphathekayo.
3 Ukwahlula kunye neempawu zesakhiwo sediski eqhumayo
1. Ukuhlelwa kwediski eqhumayo
Ubume be-disc bursting bunokwahlulwa ibe yi-positive arch bursting disc (concave compression), i-anti-arch bursting disc (i-convex compression), i-flat plate bursting disc kunye ne-graphite bursting disc.
Ukungaphumeleli komatshini wediski eqhumayo kunokwahlulwa kuhlobo lokungaphumeleli kwe-tensile, uhlobo lokusilela olungazinzanga kunye nokugoba okanye uhlobo lokusilela kokucheba.I-disc ye-tensile etshabalalisayo etshabalalisayo, kunye noxinzelelo lwe-tensile kwi-diaphragm, inokwahlulwa ibe: uhlobo oluqhelekileyo lwe-arch, uhlobo lwe-arch groove, uhlobo lwe-plate groove, uhlobo lwe-arch slit kunye nohlobo lwe-plate slit.Ukungazinzi kokuphuka kohlobo lwe-disc, uxinzelelo loxinzelelo kwi-diaphragm, lunokwahlulwa lube: uhlobo lwemese ye-arch ye-reverse, uhlobo lwe-arch ye-alligator yezinyo, i-arch belt groove egoba okanye ukusilela kwe-shear ukugqabhuka kwediski, ukungaphumeleli kwe-diaphragm: ikakhulu ibhekisa ukusetyenzwa kwezinto zonke, njengegraphite eyenziwe ngediski eqhumayo.
2. Iintlobo eziqhelekileyo kunye neekhowudi zeediski eziqhumayo
(1) Iimpawu ze-Mechanical ze-disc-acting bursting disc - i-concave compression, umonakalo we-tensile, ingaba ngumaleko omnye okanye i-multi-layer, ikhowudi kunye nesiqalo "L".Ulwahlulo lwe-arch elungileyo yokuqhuma i-disc: i-arch efanelekileyo yohlobo lwe-disc yokuqhuma, ikhowudi: I-LP ye-arch ekhangayo yohlobo lwe-disc eqhumayo, ikhowudi: i-LC positive arch slotted bursting disc, ikhowudi: LF
(2) i-reverse-acting mechanical features - ukunyanzeliswa kwe-convex, umonakalo wokungazinzi, unokuba ngumaleko omnye okanye uluhlu oluninzi, ikhowudi kunye nesiqalo "Y".Ulwahlulo lwe-arch engasemva egqabhukayo idiski: I-arch ebuyela umva ngohlobo lwemela egqabhukayo idiski, ikhowudi: YD reverse arch alligator izinyo uhlobo bursting disc, ikhowudi: YE reverse arch uhlobo umkrozo (welding) ugqabhuko disc, ikhowudi: YC (YCH) reverse arch ring groove chwetheza idiski yokugqabhuka, ikhowudi: YHC (YHCY)
(3) Iimpawu zoxinzelelo lwe-flat shaped bursting disc - i-deformation ngokuthe ngcembe kunye ne-arch emva koxinzelelo lokufikelela kumlinganiselo wokungaphumeleli kwe-tensile, ingaba yi-single-layer, i-multi-layer, ikhowudi kunye nesiqalo "P".Ulwahlulo lwe-flat plate bursting disc: i-flat plate ene-groove type bursting disc, ikhowudi: I-PC flat plate slit uhlobo lwe-disc bursting, ikhowudi: PF (4) i-Graphite bursting disc Iimpawu ze-Mechanical disc eziqhekezayo - zonakaliswe yisenzo se-shear.Igama lekhowudi: PM
3. iintlobo ezahlukeneyo zeempawu zobomi bediski
Zonke iidiski eziqhumayo ziyilwe kwaye zenziwe ngokuhambelana nobomi bokugqibela, ngaphandle kwe-coefficient yokhuseleko.Xa uxinzelelo olukhankanyiweyo lokugqabhuka lufikelelwe, luya kuqhuma ngoko nangoko.Ubomi bayo bokhuseleko buxhomekeke ubukhulu becala kwimilo yemveliso, iimpawu zoxinzelelo kunye nomlinganiselo woxinzelelo oluphezulu lokusebenza ukuya kuxinzelelo oluncinci lokuqhuma - izinga lokusebenza.Ukuze kuqinisekiswe ukusetyenziswa kwexesha elide leediski eziqhumayo, i-ISO4126-6 yomgangatho weSicelo samazwe ngamazwe, ukhetho kunye noFakelo lwezixhobo zokukhusela iidiski eziqhumayo luchaza umlinganiselo ophezulu ovumelekileyo wokusebenza kweediski eziqhumayo kwiifom ezahlukeneyo.Imigaqo imi ngolu hlobo lulandelayo:
①I-arch eqhelekileyo yokuqhuma idiski - izinga eliphezulu lokusebenza≤0.7 amaxesha
②i-arch groove ekhangayo kunye ne-positive arch slit bursting disc - izinga eliphezulu lokusebenza≤0.8 amaxesha
③zonke iintlobo ze-arch ejikelezayo eqhuma idiski (nge-groove, ngemela, njl. njl.) - izinga eliphezulu lokusebenza≤0.9 amaxesha
④Idiskhi egqabhukileyo emile caba — izinga lokusebenza ubuninzi≤0.5 amaxesha
⑤graphite bursting disc — ubuninzi bezinga lokusebenza≤0.8 amaxesha
4. Sebenzisa iimpawu zediski eqhumayo
①Iimpawu ze-arch yohlobo oluqhelekileyo lokugqabhuka kwediski (LP)
Uxinzelelo oluqhekezayo luchongwa ngobunzima bezinto eziphathekayo kunye nobubanzi bokukhutshwa, kwaye bukhawulelwe ngobunzima kunye nobubanzi be-diaphragm.Uxinzelelo oluphezulu lokusebenza aluyi kudlula amaxesha angama-0.7 oxinzelelo oluncinci lokuqhuma.Ukuqhuma kuya kuvelisa i-debris, ayinakusetyenziselwa ukutsha kunye nokuqhuma okanye ukungavumelekanga ukuba neziganeko ze-debris (ezifana nochungechunge kunye nevalve yokhuseleko), ukumelana nokukhathala.Ukunqongophala kwamandla okubamba malunga nomjikelezo kulula ukubangela ukukhululeka okujikelezileyo kunye nokuwa, okukhokelela ekunciphiseni uxinzelelo lokuqhuma.Ngokuqhelekileyo umonakalo omncinci awuyi kuchaphazela kakhulu uxinzelelo lokuqhuma.Ifanele igesi kunye nemidiya engamanzi
②Uphawu lokugqabhuka koxinzelelo lohlobo lwe-groove bursting disc (LC)
In ibhanti learch elithe tye limiselwa ikakhulu bubunzulu begroove, ekunzima ukulenza.Uxinzelelo oluphezulu olusebenzayo lwediski yokuqhuma aluyi kudlula amaxesha angama-0.8 oxinzelelo oluncinci lokuqhuma.Ukudubula ecaleni kwe-groove ebuthathaka, akukho nkunkuma, akukho mfuneko yokusetyenziswa kweso sihlandlo, ukuxhathisa okulungileyo kokudinwa.Ukunqongophala kwamandla okubamba malunga nomjikelezo kulula ukwenza ukuba i-perimeter ikhululeke kwaye iwe, okukhokelela ekunciphiseni uxinzelelo lokuqhuma kunye nenkunkuma.Ngethuba nje umonakalo omncinci ungenzeki kwi-groove, uxinzelelo lokuqhuma aluyi kutshintsha kakhulu.Ifanele igesi kunye nemidiya engamanzi
③Uxinzelelo oluqhekezayo lwe-arch slit yohlobo lwe-disc bursting disc (LF) lugxininiseka ngokukodwa kwisithuba somngxuma, okulungele ukuvelisa kunye nokusetyenziswa ngokubanzi kwiimeko zoxinzelelo oluphantsi.Qinisekisa ukuba uxinzelelo oluphezulu lokusebenza alukwazi ukudlula amaxesha angama-0.8 oxinzelelo oluncinci lokuqhuma.Amaqhekeza amancinci anokuveliswa ngexesha lokuqhushumba, kodwa ngoyilo olufanelekileyo lwesakhiwo, akukho ziqwenga ezinokuveliswa kwaye ukuxhathisa ukukhathala kuyinto eqhelekileyo.Ukunqongophala kwamandla okubamba malunga nomjikelezo kulula ukubangela ukukhululeka okujikelezileyo kunye nokuwa, okukhokelela ekunciphiseni uxinzelelo lokuqhuma.Ukuba umonakalo ungenzeki kwibhuloho emfutshane, ayiyi kubangela utshintsho oluphawulekayo kwixinzelelo lokuqhuma
1. Uxinzelelo oluqhekezayo lwe-YD kunye ne-YE yokuqhuma i-disc ikakhulu inqunywe ngobunzima be-blank kunye nokuphakama kwe-arch.Uhlobo lwe-YE ludla ngokusetyenziselwa uxinzelelo oluphantsi.Xa uxinzelelo oluphezulu lokusebenza lungekho ngaphezu kwamaxesha angama-0.9 oxinzelelo oluncinci lokuqhuma, i-diaphragm iya kubhukuqa kwaye ichaphazele i-blade okanye ezinye izakhiwo ezibukhali kunye nokuphuka, akukho nkunkuma iya kuveliswa, kwaye ukuxhathisa ukukhathala kuhle kakhulu.Emva kokuqhushumba ngakunye kwe-knife gripper, imela kufuneka ilungiswe ngenxa yokungonelanga kwamandla okubamba okanye umonakalo kwi-arch surface ye-disc eqhumayo, okuya kukhokelela ekunciphiseni okukhulu koxinzelelo oluqhekezayo, kunye neziphumo ezibi kakhulu ekungaphumelelini ukuvula i-port yokukhulula. .Ukunyamekela okukhethekileyo kufuneka kuthathwe ngexesha lofakelo.Isebenza kuphela kwisigaba segesi
2. Uxinzelelo oluphezulu lokusebenza lwe-backarch cross groove type (YC) kunye ne-backarch cross groove welded (YCH) i-disc bursting disc ayikwazi ukuba ngaphezu kwamaxesha angama-0.9 oxinzelelo oluncinci lokuqhuma.Ukuqhushumba ecaleni kwegroove ebuthathaka kwaphulwe kwiivalvu ezine, akukho nkunkuma, ukumelana nokudinwa okuhle kakhulu, kwaye akukho kuvuza kwediski eqhumayo edityanisiweyo inokuphelela ngokupheleleyo.Ukungonelanga ukunyanzeliswa koxinzelelo okanye umonakalo kwi-arch surface yediski eqhumayo kuya kukhokelela ekunciphiseni okubonakalayo koxinzelelo oluqhumayo, kwaye umonakalo omkhulu uya kubangela ukuba i-port yokukhulula ingavulwa.Ukunyamekela okukhethekileyo kufuneka kuthathwe ngexesha lofakelo.Isebenza kuphela kwisigaba segesi
3. Uxinzelelo oluphezulu lokusebenza lwe-reverse arch ring groove bursting disc (YHC / YHCY) ayikho ngaphezu kwamaxesha e-0.9 yoxinzelelo oluncinci lokuqhuma.Yaphukile ecaleni kwegroove ebuthathaka kwaye akukho nkunkuma kunye nokumelana nokudinwa okuhle.Ukungonelanga ukunyanzeliswa koxinzelelo okanye umonakalo kwi-arch surface yediski eqhumayo kuya kukhokelela ekunciphiseni okubonakalayo koxinzelelo oluqhumayo, kwaye umonakalo omkhulu uya kubangela ukuba i-port yokukhulula ingavulwa.Ukunyamekela okukhethekileyo kufuneka kuthathwe ngexesha lofakelo.Ifanele igesi kunye nesigaba solwelo
4, ipleyiti flat uhlobo groove uhlobo (PC) iimpawu zoxinzelelo olugqabhukileyo ikakhulu kumiselwa ubunzulu groove, ukuvelisa kunzima, ingakumbi kunzima uxinzelelo oluphantsi ubukhulu encinci yokuvelisa.Uxinzelelo oluphezulu lokusebenza lweplati ecwecwe kunye ne-groove ngokuqhelekileyo ayikho ngaphezu kwamaxesha angama-0.5 oxinzelelo oluncinci lokuqhuma.Uqhushumbo ecaleni lokuqhekeka kwegroove, akukho nkunkuma, akukho mfuneko zokusetyenziswa kweso sihlandlo, ukuxhathisa ukudinwa akwanelanga amandla okubamba ajikelezayo, kulula ukukhokelela ekukhululeni okujikelezileyo, okukhokelela ekunciphiseni koxinzelelo lokuqhushumba, inkunkuma.Ngethuba nje umonakalo omncinci ungenzeki kwi-groove, uxinzelelo lokuqhuma aluyi kutshintsha kakhulu.Ifanele igesi kunye nemidiya engamanzi
5, ipleyiti ecaba igqabhuke icwecwe (PF)②Ipleyiti yeflethi yohlobo lokuqhekeka (PF) iimpawu
Ngokuqhelekileyo, uxinzelelo oluphezulu lokusebenza alukwazi ukudlula amaxesha angama-0.5 oxinzelelo oluncinci lokuqhuma.Amaqhekeza amancinci anokwenziwa ngexesha lokuqhushumba, kodwa akukho maqhekeza anokuveliswa ngoyilo olufanelekileyo lwesakhiwo, kwaye ukudinwa kubi.Ukunqongophala kwamandla okubamba malunga nomjikelezo kulula ukubangela ukukhululeka okujikelezileyo kunye nokuwa, okukhokelela ekunciphiseni uxinzelelo lokuqhuma.Ngethuba nje umonakalo omncinci ungenzeki kwibhuloho phakathi kwemingxuma, uxinzelelo lokuqhuma aluyi kutshintsha kakhulu.Ngokuqhelekileyo isetyenziswe kwisigaba segesi
I-graphite eqhumayo idiski
Uxinzelelo oluphezulu lokusebenza alukwazi ukudlula amaxesha angama-0.8 oxinzelelo oluncinci lokuqhushumba, ukuqhuma i-debris, ukunganyangeki kokukhathala.Inokumelana ne-corrosion elungileyo kwimidiya eyahlukeneyo, kodwa ayinakusetyenziselwa i-asidi eqinile ye-oxidizing ilungele igesi kunye nesigaba solwelo.
4 Imigaqo yokubiza iidiski ezigqabhukileyo
Uhlobo lwedayamitha yekhowudi - uyilo olugqabhukileyo uxinzelelo - uyilo olugqabhukileyo lobushushu, njengeYC100-1.0-100 imodeli yeYC, uyilo olugqabhukileyo uxinzelelo 1.0MPa, uyilo olugqabhukileyo lobushushu 100℃ibonisa ukuba uyilo olugqabhukileyo loxinzelelo lwediski eqhumayo kwi-100℃yi 1.0MPa.
Ixesha lokuposa: Dec-02-2022