Ummiselo kunye nomthetho-siseko wevalve yombane yesivalo sombane kwisabelo sokuthengisa kumazwe angaphandle siyenyuka unyaka nonyaka

Ummiselo kunye nomthetho-siseko wevalve yombane yesivalo sombane kwisabelo sokuthengisa kumazwe angaphandle siyenyuka unyaka nonyaka

Ivalve yombane isetyenziswa ikakhulu kuhlengahlengiso lokuhamba lulonke lolwelo kunye nomphunga wenkqubo yombhobho yomoya wemihla ngemihla. Isakhiwo sevalve yombane sinokwahlulwa sibe ngamacandelo amabini, isiqingatha esiphezulu sahlulwe kwi-actuator yombane, isiqingatha esisezantsi sahlulwe kwivalve.
Ukusebenza kwangempela kwe-actuator yombane ukulawula i-valve posture, ukugqiba ukuvulwa kunye nokuvala i-valve, kwaye emva koko uqonde izinto eziphathekayo kwi-switch power switch okanye ukulungiswa. I-actuator yombane ye-valve yombane ngokuqhelekileyo iqulunqwe yi-asynchronous motor yesigaba sesithathu, i-gear reducer transmission, intlangano yokukhawulela umgama, uhlobo lwencwadana kunye nombutho wokuguqula ngokuzenzekelayo, isalathisi sokuvula kunye namacandelo ombane. Amandla emveliso yeValve motor ngokuqhelekileyo yi-0.37 ~ 5.5kW.
Ukuze kuqinisekiswe ukutshintshwa kwamandla okuthembekileyo kwi-valve yombane, ukukhuselwa kwe-voltage kulawulwa ngokungqongqo. Amanyathelo okukhusela aqhelekileyo luhlobo lwesixhobo sombane kunye nohlobo lwe-pedal. Uhlobo lwe-DL lwangoku lwe-relay lusetyenziswa njengokhuselo lokugqithiswa kombane kulondolozo lwezixhobo zombane. Ukugcinwa kweePedali kusebenzisa umda wegiya ekukhuseleni okungaphezulu-kombane.
1. Imithetho yokulawula
Ukulawulwa kwevalve yombane yile: cinezela iqhosha levalve evulekileyo, ivalve ivuliwe, cinezela iqhosha levalve yokuvala, ivalve ivaliwe. Xa i-valve ivuliwe ngokupheleleyo okanye ivaliwe, intlangano yokulawula i-stroke iya kuqhawula ngokuzenzekelayo i-ac contactor control circuit, kunye nokufikelela kwi-valve ivule ngokupheleleyo okanye ivaliwe ukukhanya kwesalathisi sokukhanya. I-DL yohlobo lwe-relay yangoku isetyenziselwa ukugcinwa xa i-circuit yamandla ivaliwe kwaye ilayishwe kakhulu kwinkqubo yokuvula okanye ukuvala. Kukho uqhagamshelo lombane phakathi kwevalve ac contactor evulekileyo kunye nesinxibelelanisi sevalve esondeleyo.
Kukwakho nendlela eqhutywa ngokunyovwayo enokugcinwa kwe-overtorque ephindwe kabini kunye nezixhobo zokujonga ukuvulwa kwevalvu.
2. Umgaqo we
Xhuma unikezelo lwamandla okutshintsha, ukukhanya kwesalathisi kuvuliwe.
Bamba uvule izitshixo zevalve, iplagi ye-electromagnetic contactor coil plug, i-accontactor ivale eyona ndawo iphambili yoqhagamshelwano, kwaye i-motor iyajika, ivalve ivule, kwangaxeshanye iplagi yokudlulisa kunye nexesha lokulawula, iplagi encinci ye-relay ivaliwe ngokuqhelekileyo, kunye nokutshixa. indawo egqithiselwayo yangoku eqhele ukuvaleka, kunqande ukuhamba okugqithisileyo kombane ukutshixa ukusebenza kwempazamo yesilayidi sangoku. Xa ixesha lokulibaziseka lomlawuli wexesha lifikelela, indawo yoqhagamshelwano yokulibaziseka iphukile, kwaye ukunikezelwa kombane we-relay encinci kuvaliwe. Umphumo wokutshixa uqalwa ngokuvula ngokuqhelekileyo kwaye uvalwe ngokuqhelekileyo kwi-relay yokutshixa yangoku kunye nendawo eqhelekileyo evaliweyo ye-AC contactor. Xa i-valve ivuliwe ngokupheleleyo, cinezela umtshini wokuhamba, i-AC contactor ivala amandla, i-motor ijika ukuyeka, kwaye ngexesha elifanayo, i-valve ivuleke ngokupheleleyo kwaye ukukhanya kuvuliwe.
Cinezela iqhosha lokuvala i-valve, i-solenoid coil ye-AC contactor ixhunyiwe, indawo ephambili yoqhagamshelwano ye-AC ivaliwe, i-motor iyajika, kwaye i-valve ivaliwe. Ukuhanjiswa okuncinci kunye nokuhanjiswa kwexesha kusebenza kunye nevalve yokuvula. Xa i-valve ivaliwe, cinezela umtshini wokuhamba, i-AC contactor ivala amandla, i-motor ivaliwe, kwaye ngexesha elifanayo i-valve ivaliwe, ukukhanya komboniso kuvuliwe. Qaphela oku kulandelayo xa usebenzisa isilawuli sexesha: Ukulibaziseka kwexesha lomlawuli wexesha ngokubanzi ngu-3 ukuya kwi-5S. Ukuba akukho mlawuli wexesha uqwalaselweyo, nyusa ixesha lokucofa iqhosha.
Isixa sokuthengiswa kweevalvu kumazwe angaphandle siyenyuka unyaka nonyaka
Iimfuno zeValve iye kwimekobume yamazwe ngamazwe, ngenxa yokusingqongileyo, ingozi yayo inkulu kakhulu, intsimi yevalve yaseTshayina kufuneka izolile, iphucule amandla abo okungenisa kunye nonxibelelwano olusemngciphekweni wokurhweba ngaphandle, ngakumbi kwiimfuno zobugcisa eziphantsi ngokwentelekiso yeemveliso zevalufa eqhelekileyo, ebandakanyeka kwizinto ezininzi. Inkampani, imveliso ye-homogeneity inzulu ngakumbi, imveliso egqithisileyo, inqanaba lengeniso elinciphayo, Iinkampani ezininzi zeevalvu zisekelwe ekwandiseni ukuthunyelwa kwamanye amazwe ukuze ziphile, i-quota ye-valve yokuthumela ngaphandle ngokukhula ngokuthe ngcembe.
Ukususela ngoJanuwari ukuya kuJuni ngo-2013, i-Wenzhou, indawo yokuvelisa i-valve engundoqo e-China, yathumela ngaphandle kwe-8109 iibhetshi zeemveliso zevalvu, ngokukhula konyaka-ngonyaka we-0.61%, kunye ne-quota yokuthumela ngaphandle kwe-260 yezigidi zeedola zaseMelika, unyaka-on. -unyaka ukuncipha kwe-2.98%, ukuhla okuqhubekayo, kwaye ngo-2012, i-1-6 i-quota ye-valve ye-Wenzhou yokuthumela kwamanye amazwe yanda ukuya kuma-42%, i-gap yolwazi lwedatha inkulu, Kuyabonakala ukuba iimfuno zevalve ziyingozi ngakumbi kwimeko yoqoqosho lwehlabathi. .
Ukwandisa ukuthunyelwa kwempahla kumazwe angaphandle asiyongxaki yophuhliso loshishino lwevalvu ye-panacea, kwakhona kunzima ukunqanda ezinye iingxaki ngokujonga ulwazi lwedatha yokuthumela ngaphandle ebukekayo lubonisa ngokucothayo: uninzi lwenkampani yokuthumela ngaphandle kwevalvu yokwandisa ngokwalo isabelo semarike yokuthumela ngaphandle, ukusuka kukhuphiswano lwamaxabiso emarike yaseTshayina, ukhuphiswano lwamaxabiso olubi. iyaqhubeka ukwanda. Iinkampani ezininzi ezincinci kunye neziphakathi zikhuphisana ngexabiso ukuze zifumane ulwazi lomyalelo wamazwe ngamazwe. Nangona kunjalo, amanye amashishini amancinci naphakathi kwixabiso eliphantsi lemveliso ukufumana iiodolo zaphesheya kolwandle, ukuze kulawulwe ngcono iindleko, zihlala zimbi. Ngenxa yoko, iimveliso ezigqityiweyo azifaneleki kwaye ukuthembeka kwekhonkco loshishino lwevalvu yaseTshayina kusengozini. ** Ukoyikeka kukuba ekuhambeni kwexesha, ikhonkco leshishini le-valve yaseTshayina linokuthi lichaphazeleke kukhuseleko lorhwebo kwimarike yehlabathi.
Ngeli nqanaba, ukuthunyelwa kwe-valve kwamanye amazwe kuhlanjululwa kakhulu kwi-DOLLAR, kwaye umngcipheko wezinga lotshintshiselwano olubangelwa uxabiso lwe-RENMINBI nalo longeza amafutha emlilweni. Abanye abavelisi bevalvu abanawo umgangatho wemveliso oqinileyo, umgunyathi kunye ne-shoddy, benzakalisa ingeniso yoshishino olufanayo e-China kunye nomfanekiso webrand yemveliso ye-valve yase-China yokuthumela ngaphandle. Usizi, okubangele ukuba umda we-valve kuthunyelo kumazwe angaphandle uqhubekile ukwehla.
Ngo-2013, iinkampani zevalvu yaseTshayina zadibana noxinzelelo lokuthumela ngaphandle ukwandisa imeko, iinkampani zevalvu kufuneka zomeleze itekhnoloji entsha, ukusuka ekugxininiseni kwinani lilonke, ukwandiswa kwesikali soshishino ukunikela ingqalelo ngakumbi ekusukeleni umgangatho ogqibeleleyo, iinzuzo zoqoqosho, kunye nokuphuhlisa ngokukhutheleyo. Imarike yokuthengisa yaseTshayina, ikhuthaza uphuhliso olufanelekileyo lwendawo yevalvu yaseTshayina. Kwaye ngokuxhomekeke kwiimfuno zobugcisa zezinye iinkampani ezincinci kunye nobukhulu obuphakathi, zinokuthathela ingqalelo ishishini elitsha lokwahlulahlula, njengokufudumeza imfuno yevalvu yokwahlula amanzi, ukuphucula amandla eeprojekthi zobunjineli ezixhasa izibonelelo, ukwandisa ixabiso elongezelelweyo levalve.
Ukubuyiswa koqoqosho lwehlabathi kufuneka kube yinkqubo ecothayo, iimfuno zevalvu yimekobume yoqoqosho lwehlabathi inkulu ngokwentelekiso, intsimi yevalvu yaseTshayina kufuneka iphendule ngokuzolileyo ukuphucula ukukwazi ukunxibelelana nemingcipheko yokungenisa kunye nokuthengisa ngaphandle, ekwandiseni ukuthengisa ngaphandle kwangaxeshanye. , Kananjalo ayikwazi ukukhulula uxinzelelo kuphuhliso lwemarike yokuthengisa yaseTshayina. Isiseko senkampani sinokwenza uphuculo lwesakhiwo semizi-mveliso, ukuya kwishishini lemveliso yevalvu ephezulu ukuze iqhubele phambili, njenge-oyile ekrwada, izityalo zamandla enyukliya kunye namanye amashishini ophuhliso angundoqo kazwelonke, iivalvu ezisuka kumazwe angaphandle ubungakanani bemarike obunye obunobunye ayinakungahoywa.
Iimveliso zempompo ze-Ze de centrifugal ukuya kwilifti yogutyulo, umatshini wokuphakamisa amabhakethi amdaka, isikhululo sokuphakamisa amanzi amdaka, isikhululo sempompo esihlanganisiweyo, impompo yokunyusa amanzi amdaka, izixhobo zokuphakamisa ugutyulo, impompo yegadi, impompo yejet, impompo ye-centrifugal, isahluli se-slag, impompo yelindle, impompo ephantsi kwamanzi amdaka njengoko isixhobo esikhokelayo sokuphakamisa ugutyulo. Isixhobo ngasinye sokuphakamisa ugutyulo lwenzelwe ukuba lube lula ngakumbi ukufakela, kwaye kwangaxeshanye, kukho isethi epheleleyo yezixhobo ezifunekayo zokufakela. Sinentengiso evakalayo kwi-Intanethi, inokukuzisela iiprojekthi zenkonzo efanelekileyo, eFransi, eYurophu, uninzi lwaseTshayina lunokugqiba owona mgaqo ukufutshane wokuthenga. Izixhobo zokuphakamisa ugutyulo lwe-Ze de zifanelekile kubantu abaqhelekileyo (usapho), i-villa-family eyodwa, igadi, iinkonzo zorhwebo kunye nezinye iziza, zigxininise kwi-villa engaphantsi kombhobho wokukhupha amanzi, i-drainage efanayo emgangathweni, ukunikezelwa kwamanzi okusela ekhaya, ukunkcenkceshela igadi kunye nezinye iingcali. kunye nezixhobo ezisebenzayo ezidibeneyo zothutho lwamanzi kunye nezisombululo!