Ivalve yokukhangela ibhabhathane

Ivalve yokukhangela ibhabhathaneibhekisa kwivalve evula ngokuzenzekelayo kwaye ivale idiski ngokuxhomekeke ekuhambeni kwendlela ngokwayo, kwaye isetyenziselwa ukuthintela i-medium ukuba ingabuyeli ngasemva.Ikwabizwa ngokuba ivelufa yokutshekisha, ivalve yendlela enye, ivalve ebuyela umva, kunye nevalve yoxinzelelo lwangasemva.I-valve yokutshekisha luhlobo lwe-valve oluzenzekelayo, umsebenzi walo oyintloko kukuthintela ukuhamba ngasemva kwe-medium, ukuthintela impompo kunye ne-motor drive ekubuyiseleni umva, kunye nokukhutshwa kwe-container medium.Iivalvu zokukhangela zingasetyenziselwa ukubonelela ngemibhobho yeenkqubo ezincedisayo apho uxinzelelo lunokwenyuka ngaphezu koxinzelelo lwenkqubo.Iivalvu zokujonga zinokwahlulwa zibe ziivalve zokujonga ujingi (ezijikelezayo ngokweziko lomxhuzulane), phakamisa iivalvu zokujonga (zihamba nge-axis), kunye neevalvu zokukhangela ibhabhathane (ezijikelezayo embindini).

Umsebenzi
 
Umsebenzi we-valve ye-butterfly check valve kukuvumela kuphela i-medium ukuba ihambe kwicala elinye kwaye ithintele ukuhamba kwelinye icala.Ngokuqhelekileyo olu hlobo lwesivalo lusebenza ngokuzenzekelayo.Ngaphantsi kwesenzo soxinzelelo lwe-fluid ehamba kwicala elinye, i-valve flap ivula;xa ulwelo luqukuqela kwelinye icala, uxinzelelo lwe-fluid kunye ne-self-coincidence ye-valve flap isebenza kwisitulo sevalve, ngaloo ndlela kunqunyulwa ukuhamba.
 
Iimpawu zesakhiwo
 
Iivalvu zokukhangela ibhabhathane ziquka iivalve zokujonga ujingi kunye neevalvu zokukhangela zokuphakamisa.Ivalve yokukhangela i-swing ine-hinge mechanism kunye ne-disc yevalve efana nomnyango ophumle ngokukhululekileyo kwindawo yesitulo sevalve.Ukuqinisekisa ukuba ivalve clack inokufikelela kwindawo eyiyo yomphezulu wesihlalo sevalve ngalo lonke ixesha, isivalo sevalve siyilwe ngendlela yehinge ukuze ivalve ibe nesithuba esaneleyo sokujika kwaye yenza ukuba ivalve ibe mhlophe kwaye iqhagamshelane ngokunzulu. isihlalo sevalve.I-valve clack inokwenziwa ngesinyithi, isikhumba, irabha, okanye isigqubuthelo sokwenziwa sinokufakwa kwintsimbi, ngokuxhomekeke kwiimfuno zokusebenza.Xa ivalve yokujonga ujingi ivulwe ngokupheleleyo, uxinzelelo lolwelo luphantse lungathintelwa, ngoko ke ukuhla koxinzelelo ngevalve kuncinci.Idiskhi yevalve yevalve yokukhangela i-lift ihleli kwindawo yokutywina yesitulo sevalvu kumzimba wevalvu.Ngaphandle kokuba i-disc inokuphakanyiswa kwaye ithotywe ngokukhululekile, i-valve eseleyo ifana ne-valve yokuvala.Uxinzelelo lwe-fluid luphakamisa i-disc ukusuka kwindawo yokutywinwa kwesihlalo, kwaye umva we-medium ubangela ukuba i-disc ibuyele kwisihlalo kwaye inqumle ukuhamba.Ngokwemiqathango yokusetyenziswa, ivalve clack inokuba sisakhiwo sentsimbi yonke, okanye inokuba luhlobo lwepadi yerabha okanye iringi yerabha efakwe kwisakhelo sokuvala ivalve.Njengevalve yokuvala, ukuhamba kwamanzi kwivalve yokukhangela i-lift kuncinci, ngoko ke ukuhla koxinzelelo kwivalve yokujonga i-valve inkulu kune-valve yokukhangela i-swing, kwaye izinga lokuhamba kwevalve yokukhangela i-swing ithintelwe. kunqabile.Olu hlobo lwevalve kufuneka lufakwe ngokubanzi ngokuthe tye kumbhobho.
 
Ngokwesakhiwo sayo kunye nendlela yokufakela, ivalve yokutshekisha inokwahlulwa ibe:
1. Idiskhi yevalve yokukhangela ibhabhathane imile okwediskhi, kwaye ijikeleza ishafti yesitulo sesitulo sevalve.Ngenxa yokuba umjelo wangaphakathi wevalve ulungelelaniswa, ukuchasana kokuhamba kuncinci kunoko kwe-valve yokuhlola ibhabhathane.Ifanelekile kwizinga eliphantsi lokuhamba kunye nokungabuyi.Izihlandlo ezinkulu zedayamitha ezinotshintsho oluqhelekileyo, kodwa alufanelekanga ukuhamba kwe-pulsating, kunye nokusebenza kwayo kokutywinwa akufani nohlobo lokuphakamisa.Ivalve yokukhangela ibhabhathane yahlulwe yaba ziindidi ezintathu: ivalve enye, ivalve ephindwe kabini kunye nevalve emininzi.Ezi ntlobo zintathu zahlulwe ubukhulu becala ngokwedayamitha yevalvu.Injongo kukuthintela i-medium ekumiseni okanye ukugeleza ngasemva kwaye yenza buthathaka ukothuka kwe-hydraulic.
2. Ivalve yokukhangela ibhabhathane: Ngokwendlela yokusebenza yediski, yahlulwe ibe ziindidi ezimbini: 1. Ivalve yokutshekisha enediski etyibilikayo ecaleni kombindi othe nkqo womzimba wevalvu.Ivalve yokukhangela ibhabhathane inokufakwa kuphela kumbhobho othe tye.Ibhola ejikelezileyo ingasetyenziselwa kwidiski yevalve yokuhlola i-diameter encinci.Ubume bomzimba wevalve yevalve yokukhangela ibhabhathane iyafana naleyo yevalve yeglowubhu (enokuthi isetyenziswe ngokufanayo nevalve yeglowubhu), ngoko ke icoefficient yayo yokumelana nolwelo inkulu kakhulu.Isakhiwo sayo sifana nevalve yokumisa, kwaye umzimba wevalve kunye nediski ziyafana nevalve yokumisa.Inxalenye ephezulu yediski yevalve kunye nenxalenye esezantsi yesivalo sevalve icutshungulwa ngemikhono yesikhokelo.Isikhokelo sediski sinokuhanjiswa phezulu naphantsi ngokukhululekileyo kumkhono wesikhokelo sevalvu.Xa i-medium ihamba ezantsi, i-disc ivula nge-thrust ye-medium.Iwa phantsi kwisihlalo sevalve ukuthintela okuphakathi ukuba kungabuyeli ngasemva.Isalathiso se-medium inlet kunye ne-outlet channels yevalve yokujonga ibhabhathane ethe ngqo ixhomekeke kwicala lendlela yesitulo sevalve;i-valve yokukhangela i-vertical lift i-vertical lift i-vertical direction of the medium inlet and outlet channels njenge-valve seat channel, kwaye ukuchasana kwayo ukuhamba kuncinci kunohlobo oluchanekileyo;2. Ivalve yokutshekisha apho idiskhi ijikeleza kwi-pin shaft kwisitulo sevalve.Ivalve yokukhangela ibhabhathane inesakhiwo esilula kwaye inokufakwa kuphela kumbhobho othe tye, kunye nokusebenza kakubi kokutywinwa.
3. Ivalve yokukhangela engaphakathi: ivalve enediski etyibilikayo ecaleni kombindi womzimba wevalvu.Ivalve yokukhangela emgceni luhlobo olutsha lwesivalo.Incinci ngokwesayizi, ilula ngobunzima, kwaye ilungile kubuchwephesha bokulungisa.Ngomnye wezalathiso zophuhliso lweevalvu zokutshekisha.Kodwa i-coefficient yokumelana nolwelo inkulu kancinane kunaleyo yevalve yokujonga ujingi.
4. Ivalve yokujonga ukucinezeleka: Le valve isetyenziswa njengebhoyila yamanzi kunye nevalve yokuvala umphunga.Inomsebenzi obanzi wokukhangela i-valve yokuphakamisa kunye nevalve yokumisa okanye i-valve ye-angle.
Ukongezelela, kukho ezinye iivalve zokutshekisha ezingafanelekanga ukufakwa kwempompo yepompo, njengama-valve eenyawo, i-spring-loaded, i-Y-type kunye nezinye ii-valve zokujonga.

Imilinganiselo yokusetyenziswa kunye nokusebenza:
Le valve isetyenziswa njengesixhobo sokuthintela ukubuyela ngasemva kwesixhobo kwimibhobho yoshishino.
 
Ufakelo lubalulekile
 
Ukufakwa kwevalve yokukhangela kufuneka kuthathelwe ingqalelo kwezi zinto zilandelayo:
1. Musa ukuvumela ivalve yokutshekisha ukuba ithwale ubunzima kumbhobho.Iivalve ezinkulu zokutshekisha kufuneka zixhaswe ngokuzimeleyo ukuze zingachaphazeleki ngoxinzelelo oluveliswa yinkqubo yokubhobhoza.
2. Xa ufaka, nikela ingqalelo kwindlela yokuhamba okuphakathi kufuneka ihambelane nesalathiso sotolo oluvotelwe ngumzimba wevalve.
3. Ukuphakamisa ivalve yokujonga i-flap ethe nkqo kufuneka ifakwe kumbhobho othe nkqo.
4. Ivalve yokukhangela i-horizontal flap yohlobo lokuphakamisa kufuneka ifakwe kumbhobho othe tye.
 
1. Umgaqo womsebenzi kunye nenkcazo yesakhiwo:
Ngethuba lokusetyenziswa kwale valve, i-medium flowing in the direction of arrow eboniswe kumfanekiso.
2. Xa i-medium ihamba ngendlela echaziweyo, i-valve flap ivulwa ngamandla ophakathi;xa i-medium ihamba ngasemva, indawo yokutywina ye-valve flap kunye nesihlalo sevalve sitywinwe ngenxa yobunzima be-flap yevalve kunye nesenzo sokubuyela umva kwamandla ophakathi.Valani kunye ukuphumeza injongo yokuthintela indlela ehamba ngasemva.
3. Umphezulu wokutywina womzimba wevalve kunye nevalve clack ithatha intsimbi engatyiwayo ephezu kwewelding.
4. Ubude besakhiwo sale valve ngokuhambelana ne-GB12221-1989, kunye nobukhulu bokudibanisa i-flange ngokuhambelana ne-JB / T79-1994.
 
Ukugcinwa, ukuFakelo kunye nokuSetyenziswa
5.1 Zombini iziphelo zendlela yevalve mazivalwe, kwaye kukho igumbi elomileyo nelingena umoya.Ukuba igcinwe ixesha elide, kufuneka ihlolwe rhoqo ukuthintela ukubola.
5.2 I-valve kufuneka ihlambuluke ngaphambi kokufakwa, kwaye iziphene ezibangelwa ngexesha lokuthutha kufuneka zipheliswe.
5.3 Ngexesha lofakelo, kufuneka ujonge ngononophelo ukuba ngaba iimpawu kunye neepleyiti zamagama kwivalve ziyahlangabezana neemfuno zokusetyenziswa.
5.4 Ivalve ifakwe kumbhobho othe tyaba kunye nesigqubuthelo sevalve phezulu.
9. Ukusilela okunokwenzeka, oonobangela kunye neendlela zokuphelisa:
1. Ukuvuza ekudibaneni komzimba wevalvu kunye nebhonethi:
(1) Ukuba i-nut ayiqiniswanga okanye ikhululwe ngokulinganayo, inokulungiswa kwakhona.
(2) Ukuba kukho umonakalo okanye ukungcola kwindawo yokutywinwa kwe-flange, indawo yokutywinwa kufuneka ilungiswe okanye ukungcola kufuneka kususwe.
(3) Ukuba i-gasket yonakalisiwe, kufuneka itshintshwe enye entsha.
2. Ukuvuza kumphezulu wokutywina wevalve kunye nesitulo sevalvu
(1) Kukho ubumdaka phakathi kweendawo zokutywina, ezinokucocwa.
(2) Ukuba indawo yokutywina yonakalisiwe, phinda ugaye okanye uphinde uphinde uphinde uphinde usebenze.