Ubume bevalve ngokubanzi kunye nokusetyenziswa - ivalve yokukhangela, ivelufa elawula uxinzelelo, ivalve yesango Ivalufa Ingqiqo eqhelekileyo: ukulinganisa ukufakwa kwevalvu yokhuseleko kunye nomgaqo.
Ivalve yokukhangela ivalve kukutshintshela ukude kwaye uvale idiskhi ngoncedo lombane ophakathi, osetyenziselwa ukunqanda ukuhamba okubuyela umva kwevalve yesango eliphakathi.
Khangela ivalve
Ivalve yokukhangela kukutshintshela ukude kwaye uvale idiski ngoncedo lwe-liquidity ye-medium, esetyenziselwa ukunqanda ukuhamba ngasemva kwevalve yesango eliphakathi.
Enye, uhlobo lwevalve yokukhangela
Isibini, isakhiwo sevalve yokutshekisha
1. Ivalve yokujonga ujingi
Ilahleko yoxinzelelo incinci, ukutywina akulunganga njengesixhobo sokuphakamisa. Ayikufanelanga ukuqukuqela kwe-pulsating apho isantya sokuqukuqela esisezantsi kunye nokungabikho kwamanzi kungatshintshanga ixesha elide.
(a) Uhlobo lwediski ephindwe kabini: ukucaciswa kwenqanaba eliphakathi.
(b) Uhlobo lwe-flap ephindwe kabini: ubukhulu obukhulu kakhulu (DN≤600).
(c) Uhlobo lwe-Multi-disc: isando samanzi esisezantsi, akukho monakalo wendawo, i-caliber encinci (DN600).
1. Ipleyiti yesekethe yeoyile 2. Ibhaffle 3. Ivalve yokuqukuqela enye 4. Idiskhi 5. Ivalve yokungena
2, phakamisa uhlobo lokukhangela ivalve
(a) eqhagamshelwe ngokuthe ngqo ivelufa yokuhlola elawulayo
(b) uhlobo lwentsika elawula isivalo sokukhangela
Ukusetwa kwetshaneli yempompo yevalve esezantsi yempompo. Gwema i-countercurrent, ekhuthaza ukuqala impompo.
Isithathu, iimpawu zevalve yokukhangela
Ivalve yokukhangela i-lift ine-plate ye-oyile efana ne-valve yokumisa (inokuba yinto yonke kunye nevalve yokumisa), ngoko i-coefficient yayo yokumelana nolwelo inkulu.
Ivalve yokujonga i-Swing, i-disc ngokuqinileyo ejikeleze umkhono we-shaft wangaphandle wevalve yesango loxinzelelo oluphezulu, isetyenziswa kakhulu.
Ibhabhathane lijonga idiski ngokuqinileyo kufutshane nomkhono weshaft kwivalve yesango loxinzelelo oluphezulu. Isakhiwo esilula, esifakwe kuphela kumbhobho wezinga, umoya ongenamoya ubuthathaka.
Ivalve yokulawula uxinzelelo
Ivalve yokunciphisa uxinzelelo ixhomekeke kwidiski yevalve, i-torsion spring, i-piston rod kunye nenye i-photoresistor ukutshintsha isithuba phakathi kwe-disc kunye ne-valve block, uxinzelelo kwi-inlet luyancitshiswa kuxinzelelo kwindawo yokuphuma, kwaye ngoncedo lwe-medium's. amandla akho, uxinzelelo kwindawo yokungena kunye ne-outlet igcinwa ngokuzenzekelayo.
Okokuqala, uhlobo lwevalve yokulawula uxinzelelo
(1) Ngokwendlela yokwenza:
(a) Isenzo esithe ngqo: ulawulo olupheleleyo lwe-disc fitness exercise kunye nokutshintsha koxinzelelo lokungena kunye nokuphuma;
(b) Uhlobo lokulinga: lwenziwe ivelufa engundoqo kunye nevalve yokulinga, kwaye utshintsho lwevalve yokungena kunye noxinzelelo lokuphuma lulawula indawo yevalve engundoqo ngokokwandiswa kwevalve yokulinga.
(2) Ngohlobo lwesakhiwo:
(a) Uhlobo lwefilimu yeplastiki
(b) uhlobo lwefilim yeplastiki yentlakohlaza
(c) Umatshini wepiston
(d) Uhlobo lwesibhalo
(e) Inzuzo yemali
Eyesibini, ubume bevalve elawula uxinzelelo lwendalo yonke
(1) uhlobo lwefilimu yeplastiki ye-torsion spring
I-1 yokulungisa isikrufu 2 ukulungisa i-torsion spring 3 ivalve yokuqukuqela enye 4 ifilimu yeplastiki 5 ipleyiti yesekethe yeoli 6. idiski
(2) umatshini wepiston
Isikrufu esi-1 sokulungisa 2 silungisa i-torsion spring 3 i-cap cover 4 isekela iveluve yesango yoxinzelelo oluphezulu 5 idiskhi yevalve eyi-axiliary 6. Ivalve yokuqukuqela enye 7. Intonga yepiston 8. Idiski 9. Idiski engundoqo 10. Isitulo esikhulu
Okwesithathu, ukusebenza kwevalvu elawula uxinzelelo
(1) Impazamo yophawu olungatshintshiyo:
Impazamo ye-flow coefficient: ibonisa ukuguquguquka koxinzelelo lokuphuma okubangelwa kukutshintsha kokuhamba.
Impazamo yeempawu zoxinzelelo: ibonisa ukuba ukuguquguquka koxinzelelo lokuphuma kubangelwa kukutshintsha koxinzelelo.
(2) impazamo yokungabi namvakalelo:
Xa i-inlet kunye noxinzelelo lwe-outlet lutshintsha ngaphakathi koluhlu oluthile, alukwazi kubangela ukuba i-valve yokulawula uxinzelelo itshintshe udidi lokusebenza. Ibonisa ukuba i-valve elawula uxinzelelo ayinabungozi.
ivalve
I-valve yokukhusela i-valve ezenzekelayo, ayiyi kuthembela kuwo onke amandla angaphandle, ukusetyenziswa koxinzelelo oluphakathi ukukhupha umlinganiselo othile wolwelo, ukwenzela ukuphepha inkqubo yoxinzelelo ngaphaya kwexabiso elimiselweyo eliqhelekileyo. Xa uxinzelelo lubuyiselwa kwixabiso eliqhelekileyo eliqhelekileyo, i-valve yesango ivalwa ngokuzenzekelayo kwakhona ukukhusela i-medium ekuphumeni kwakhona.
Enye, uhlobo lwevalve
Isibini, isakhiwo sevalve
Uhlobo lwevalve yasentwasahlobo:
Ivalve ye-Pulse
Isakhiwo sinevalve engundoqo, ivalve encedisayo. Ivalve encedisayo yivalve encinci yokulayisha kwangoko eqhagamshelwe kwivalve engundoqo. Xa inkqubo software overpressure, ivelufa encedisayo kuqala ukuvula, exhaust medium. Ilungele i-caliber encinci, amandla amakhulu ehashe kunye nenkqubo yoxinzelelo oluphezulu.
Ivalve e-1 yokulinga 2. Ivalve engundoqo 3. Igumbi lokuqhawuka lePaka phezulu 4. Iringi yepiston yokutywina 5. Ivalve yesango loxinzelelo oluphezulu 6. Umbhobho wesivamvo soxinzelelo
Okwesithathu, ukhetho lweevalvu
(1) Isantya sokusabela ngokukhawuleza;
(2) Ukuba noxinzelelo olufunekayo lokukhupha;
(3) Qinisekisa amandla oxinzelelo, ukuqina kunye nokuthembeka ekusebenziseni;
(4) Iimpazamo ezivumelekileyo kunye namaxabiso achaziweyo eempawu ze-postural.
Ivalve yokhuseleko lohlobo lwe-pilot luhlobo lwevalve yokhuseleko lokhuseleko, ivula kwaye ivale iinxalenye phantsi kwesenzo samandla angaphandle kwimeko eqhelekileyo evulekileyo neqhele ukuvaleka, xa uxinzelelo oluphakathi kwisixhobo kunye nombhobho ukhuphuka, ngaphaya kwexabiso eliqhelekileyo elivulwe ngokuzenzekelayo, inokukhutshwa kwisoftware yenkqubo yokuthintela uxinzelelo oluphakathi kumbhobho okanye izixhobo ezingaphaya koluhlu lwexabiso eliqhelekileyo. Ivalve yokhuseleko olulingwayo esetyenziswa kwirhasi yendalo, igesi yendalo enyibilikisiweyo kunye nezixhobo zoxinzelelo lwezityalo zekhemikhali kunye nemibhobho yemizi-mveliso, enokhuseleko olunokuqhuma, i-anti-static, ukutywinwa okuthembekileyo, ukuvulwa nokuvala ngokukhawuleza kunye nokufuduswa okukhulu kweenzuzo ezikhankanyiweyo.
Ivalve yokhuseleko lohlobo lwe-pilot luhlobo lwevalve yokhuseleko lokhuseleko, ivula kwaye ivale phantsi kwesenzo samandla angaphandle kwimeko eqhelekileyo evulekileyo neqhele ukuvaleka, xa uxinzelelo oluphakathi kwisixhobo kunye nemibhobho iphakama, ngaphaya kwexabiso eliqhelekileyo elivulwe ngokuzenzekelayo, liyakwazi ikhutshwe kwisoftware yenkqubo yokuthintela uxinzelelo oluphakathi kumbhobho okanye izixhobo ezingaphaya koluhlu lwexabiso eliqhelekileyo. Ivalve yokhuseleko olulingwayo *** isetyenziswa kwirhasi yendalo, igesi yendalo enyibilikisiweyo kunye nezixhobo zoxinzelelo lwezityalo zekhemikhali kunye nemibhobho yoshishino, enokhuseleko olunoqhushumbo, oluchasene ne-static, ukutywinwa okuthembekileyo, ukuvulwa nokuvala ngokukhawuleza kunye nokufuduswa okukhulu kweenzuzo ezikhankanyiweyo.
Iimpawu zesakhiwo sevalve yokhuseleko lokulinga
Ivalve yokhuseleko lohlobo lokulinganisa ngevalve ephambili, ivalve yokulinga, ivalve yokukhulula, intloko edibanisayo kunye nombhobho. Ngaphantsi kweemeko eziqhelekileyo, uxinzelelo oluphakathi ngokubanzi lusetyenziswa kwiindawo ezisezantsi kunye neziphezulu zediski ephambili.
Ngenxa yokuba indawo epheleleyo yegumbi le-brake ye-medium efficacy ngaphezu kwe-disc engundoqo inkulu kunommandla opheleleyo we-medium efficacy ngaphantsi kwe-disc engundoqo, phantsi kwempembelelo yokwahlukana koxinzelelo, i-disc ephambili ikwimeko yokuvala. Ngokunyuka kombhobho woxinzelelo oluphakathi, uxinzelelo oluthe ngqo olufunyenweyo luya kukhatshwa kukwanda, okuchasene ngqo nevalve yomthwalo okhawulezileyo we-torsion spring, oko kukuthi, ubukhulu boxinzelelo oluphakathi, kokukhona luthembeke ngakumbi itywina. Xa umbhobho woxinzelelo oluphakathi ungaqhelekanga kwaye ufikelela okanye ugqithise kuxinzelelo lokuseta, i-valve flap yevalve yokulinga (FIG. 2) ivula ngokukhawuleza, kwaye indawo ephakathi kwigumbi lomoya ngaphezulu kweflap yevalve engundoqo ikhutshwa ngokukhawuleza ngokombhobho wokuphuma. isinxibelelanisi sevalve yokulinga. Ngaphantsi kwempembelelo yoxinzelelo oluphakathi olomeleleyo olusezantsi, i-valve ye-valve engundoqo ivula ngokukhawuleza, kwaye i-medium ikhutshwe ngokukhawuleza kwi-outlet ye-valve engundoqo. Uxinzelelo oluphakathi kumbhobho lubuyiselwa kuxinzelelo oluqhelekileyo lokusebenza ukuqinisekisa ukhuseleko lwesofthiwe yenkqubo.
Xa umbhobho woxinzelelo oluphakathi wehla ukuya malunga ne-90% yoxinzelelo lokuseta ivalve esetwe yinkqubo yesoftware, idiskhi yevalve kwivalve yokulinga iyavalwa, kunye nendawo yombhobho nayo ingena kwigumbi lokuqhawuka ngaphezulu kwediski yevalve engundoqo ngevalve yokulinga. Ngaphantsi kwempembelelo yokwahlukana koxinzelelo, i-valve eyintloko ivaliwe ukuqinisekisa ukusebenza okuqhelekileyo okuqhelekileyo.
Umgaqo wevalve yokhuseleko lokulinga
Ivalve yokulinga yenziwe ngepleyiti yesekethe yeoyile, idiskhi yevalve esezantsi, ikhonkco elincinci, i-vent joint, idiski yevalve ephezulu, i-torsion spring kunye nevalve yokudonsa.
Ngaphantsi kweemeko eziqhelekileyo, i-disc ye-valve ephezulu kwi-disc kwi-off state, i-valve yokuqhuba i-disc ephantsi kwimeko evulekileyo. Isiphakathi sombhobho singena kwigumbi lomoya ngaphezulu kwediski yevalve engundoqo ngokwediski yevalve esezantsi, ukuze idiskhi yevalve engundoqo ivalwe. Xa umbhobho woxinzelelo oluphakathi ungaqhelekanga kwaye ufikelela okanye udlula amandla abekiweyo ewonke, idiskhi yevalve esezantsi yevalve yokulinga iyavalwa phantsi kweempembelelo zoxinzelelo oluphakathi, kwaye isiphakathi sombhobho siyanqunyulwa kumjelo wokhuseleko ongentla kwediski yevalve engundoqo. Ngelo xesha, i-disc ye-valve ye-valve ye-pilot ityhilwa phezulu ngekhonkco elincinci, oko kukuthi, i-valve ye-pilot ivuliwe, kunye negumbi lomoya eliphakathi ngaphezu kwe-disc ye-valve engundoqo ikhutshwe ngokukhawuleza ngokuhambelana nombhobho we-exhaust connector. Ngaphantsi kwempembelelo enamandla kakhulu yoxinzelelo oluphakathi ngaphantsi kwe-disc ye-valve engundoqo, ivula ngokukhawuleza, kwaye umbhobho ophakathi ukhutshwe ngokukhawuleza kwi-outlet ye-valve engundoqo, ukwenzela ukuba uxinzelelo oluphakathi lwepayipi lubuyiselwe kuxinzelelo oluqhelekileyo lokusebenza, ukuqinisekisa ukhuseleko lwenkqubo. Xa uxinzelelo lombhobho lwehla ukuya malunga ne-90% yoxinzelelo lokumisela olusetwe yinkqubo yesoftware, idiski yevalve ephezulu yevalve yokulinga iyavalwa phantsi kwesenzo sentwasahlobo. Kwangaxeshanye, idiskhi yevalve esezantsi yevalve yokulinga iyatyhilwa ivuleke litsheyini elincinane. Umbhobho wepayipi ungena kwigumbi le-brake ngaphezu kwe-disc ye-valve engundoqo ngokwe-disc ye-valve esezantsi, kwaye i-disc ye-valve engundoqo ivaliwe phantsi kweempembelelo zomahluko woxinzelelo, ukuqinisekisa ukusetyenziswa okuqhelekileyo kwesofthiwe yenkqubo.
Ukuba kufunyaniswe ukuba umbhobho woxinzelelo oluphakathi awuqhelekanga, kwaye ukusilela kwevalve yomqhubi akukwazi kuvulwa, ivelufa yokulinga kwivalve yokukhulula, khulula idiskhi yevalve engundoqo ngaphezulu kwendawo yegumbi lomoya, ukuze idiskhi yevalve engundoqo ivuleke, ikhulule. abeendaba kumbhobho woxinzelelo olungaqhelekanga, ukuqinisekisa ukhuseleko lwenkqubo.
Iinkcukacha zofakelo lweevalvu zokhuseleko eziqhutywayo
(l) Iziko lokufudumeza elinomthamo olinganisiweyo wokuguquka ube ngumphunga ngaphezulu kwe-0.5t/h liya kuxhotyiswa ubuncinane ngeevalvu ezi-2 zolingelo lokhuseleko: Iziko lokufudumeza elinomthamo womphunga olinganisiweyo ongaphantsi okanye olingana ne-0.5t/h liya kuxhotyiswa ubuncinane ngesivalo esinye. . Indawo yokungena kunye nendawo yokuphuma kwibhoyila yesifudumezi, indawo yokufudumeza umphunga kunye nendawo yokuphuma kufuneka icwangciswe ivelufa yokhuseleko olulingwayo.
(2) Ivalve yokhuseleko lokulinga kufuneka ifakwe ngokuthe nkqo embizeni, isilinda yembiza ikwindawo ephezulu. Phakathi kwevalve kunye nomzimba wesithando somlilo okanye idrum, umbhobho wokukhupha umphunga kunye nevalve yesango ayiyi kuxhotyiswa.
(3) Uhlobo lomqhubi wevalve yokhuseleko kufuneka luthintele uhlobo lobunzima besixhobo esishukumayo esizimelayo kunye nokunciphisa isakhelo sesikhokelo sokuziphatha semali esisingqongileyo, uhlobo lwasentwasahlobo ivelufa yokhuseleko kufuneka iphucule isandla kwaye ithintele isixhobo sokuhlengahlengisa isikrufu esingenamkhethe.
(4) Kwiibhoyila zerhasi ezinoxinzelelo lomphunga olulinganisiweyo olungaphantsi okanye olulingana ne-3.82MPa, idiamitha yomqala yevalve yokhuseleko lokulinga akufunekanga ibe ngaphantsi kwe-25mm: Kwibhoyila zegesi ezinoxinzelelo lomphunga olulinganiswe ngaphezu kwe-3.82MPa, isixa sevalve yomqala akufunekanga ibe ngaphantsi kwe-20mm.
(5) ivelufa yokhuseleko lohlobo lokulinga kunye netyhubhu yerabha yebhoyila, icandelo aliyi kuba ngaphantsi kwecandelo lokungena levalve. Ukuba iivalve ezininzi zibekwe ndawonye kwikhola yetyhubhu ngokukhawuleza edityaniswe nomzimba wesithando somlilo, icandelo lomjelo wekhola yombhobho akufanele libe ngaphezu kwe-1.25 amaxesha apheleleyo e-valve exhaust area.
(6) uhlobo lomqhubi wevalve yokhuseleko kufuneka ngokubanzi lubekwe umbhobho wokukhupha, umbhobho wokukhupha kufuneka uqondise idilesi yokhuseleko, kwaye ube necandelo elaneleyo lokuqinisekisa ukukhupha umphunga ogudileyo. Isiphelo esisezantsi sombhobho wokukhupha i-valve kufuneka sigcwaliswe ngemigodi ukuze senze ngathi kukho umbhobho wokucoca ofunyenwe kwindawo ekhuselekileyo, kwaye i-valve yesango ayikwazi ukufakwa kumbhobho wokukhupha kunye nombhobho wokukhupha.
Ixesha lokuposa: Mar-18-2023
