Umbane othe ngqo ugqitha kwinkqubo yokugcinwa kwevalvu yeglowubhu kunye nokwabelana ngolwazi lwevalvu yetekhnoloji: Umbane oqhubekayo weengxaki zeglowubhu zobushushu obuphezulu
Ukuvalwa kwevalve yeglowubhu kungoxinzelelo olusebenzayo lwesiqu, ukuze intloko yevalve kunye nesitulo zicinezelwe ngokusondeleyo ukugqiba ukutywinwa. Umda wesicelo sayo uvaliwe, unokuhlengahlengisa ngokufanelekileyo ivalve, kodwa ungasebenzisi njengevalve yokukhulula. Ivalve yeglowubhu ngokubanzi inohlobo oluthe ngqo, uhlobo lweAngile okanye uhlobo lwesithathu lweDC. Ivalve yokumisa ngokuthe ngqo, ivalve yohlobo lwe-Angle yokumisa, uhlobo lwe-DC yokumisa ivalve.
1. Umgaqo wevalve yeglowubhu
Ukuvalwa kwevalve yeglowubhu kungoxinzelelo olusebenzayo lwesiqu, ukuze intloko yevalve kunye nesitulo zicinezelwe ngokusondeleyo ukugqiba ukutywinwa.
2, eyona njongo yevalve yeglowubhu
Umda wesicelo sayo uvaliwe, unokuhlengahlengisa ngokufanelekileyo ivalve, kodwa ungasebenzisi njengevalve yokukhulula. Iivalvu zokumisa zisetyenziswa kakhulu kwizikhululo zamandla, ngakumbi kwiipaseji ezincinci ezikhuselekileyo, xa kubonelelwa ngoxinaniso lokuvala kakuhle, uninzi lwezi zivalo zesango ziyasetyenziswa.
Iinzuzo zayo zezi: isakhiwo esincinci, isakhiwo esincinci, ukuvelisa, ukugcinwa ngokufanelekileyo.
Izinto ezingalunganga eziphambili: ukuchasana nokuhamba, ukuvula kunye nokuvala amandla kukhulu, kodwa ngokunyuka kwecandelo lomjelo kunye nokunyuka ngokukhawuleza. Ngoko ke, kunzima kakhulu ukwenza i-valve yokumisa ethembekileyo kunye necandelo elikhulu lomjelo.
3. Ukuhlelwa kwevalve yeglowubhu
Ivalve yeglowubhu ngokubanzi inohlobo oluthe ngqo, uhlobo lweAngile okanye uhlobo lwesithathu lweDC.
(1) isivalo sokumisa ngokuthe ngqo. Isiqu sevalve yokumisa ngokuthe ngqo kunye ne-axis yeshaneli ephakathi kwi-Angle engama-90, olu hlobo lwevalvu yokumisa lusetyenziswa kakhulu kwizityalo zamandla. Njengoko kubonisiwe kuMfanekiso 2-2.
(2) Ivalve yokumisa uhlobo lwe-engile. Isici se-Angle globe valve kukuba i-medium kwivalve kunye ne-original inflow kwi-90, njengoko kubonisiwe kuMfanekiso 2-3.
(3) uhlobo oluthe ngqo lwangoku ivelufa yokumisa. Ivalve yokumisa i-Dc sisikhondo sevalve kunye ne-axis yeshaneli ephakathi ye-Angle yokujonga, njengoko kubonisiwe kuMfanekiso 2-4.
4. Iimpawu zesakhiwo kunye nokugcinwa kweteknoloji yokulungiswa kombane othe ngqo kwi-valve yeglowubhu
Ukulandela ivalve yeglowubhu yombane ethe ngqo njengomzekelo, intshayelelo emfutshane yeempawu zesakhiwo sevalve yeglowubhu kunye netekhnoloji yokulungisa.
(1) Ubume bevalve yeglowubhu yombane ethe ngqo.
Umbane othe ngqo utyhutyha uqhagamshelo lwevalvu yeglowubhu yokuwelda, isakhelo senkxaso yevalve yesango kunye noqhagamshelo lwesihlalo sevalve yeflange, intonga yocango kunye nokutywinwa kwesihlalo sevalve, ukusuka ngaphakathi ukuya ngaphandle, ukusetyenziswa kweyokuqala kunye nekepusi esecaleni kunye noqhagamshelo lwesihlalo sevalve, ngaphezulu. ikhava ye-gasket, kwaye ke yimpahla yokuzalisa, yingcambu ye-screw cap, ukusebenza kokutywinwa kuthembekile. Njengoko kubonisiwe kuMfanekiso 2-2.
(2) Itekhnoloji yogcino kunye nokulungiswa kombane othe ngqo kwivalve yeglowubhu.
1) Ivalve yokumisa yombane ethe ngqo iyawa.
① Emva kokugqitywa kwetikiti lomsebenzi, qinisekisa ukuba akukho manzi kumbhobho, akukho xinzelelo, ungaqala; (2) Lungiselela abancedisi kunye nezinye izixhobo zokukhusela kwangaphambili, ukwakha i-scaffold yentsimbi yombhobho, indawo yokuphakamisa, qhagamshelana nabasebenzi bezixhobo zokuhambisa amandla ukususa iplagi yamandla; (3) Emva kokuvula ngesandla amaqhosha e-1-2 yevalve yesango, phakamisa izicubu zombane ngekhonkco lesikhokelo kunye nentambo yentsimbi yentsimbi, udibanise kwaye ufake umatshini wombane kunye nesakhelo sokuxhasa, qinisa iibholithi, kwaye urhoxise izicubu zombane kakuhle kwaye yiphakamise; (4) Susa ibhawudi ye-ankile yevalve yesango yokumakisha kwaye ukhuphe umngxuma weshaft ukuze uwugcine; ⑤ Jika isakhelo senkxaso ngokunxamnye newotshi ukurhoxisa kwaye usiphakamise; (6) Ukuqhawula kwaye ufake i-screw yokuqinisa i-cap cap, khupha i-disc cap, ukumba izinto zokuzalisa; ⑦ Ngezixhobo ezikhethekileyo, i-cap esecaleni, khupha isiqu socango kunye nentloko yevalvu, ivalve yesitywina.
2) Ukugcinwa kombane othe ngqo-nge-valve yokumisa.
(1) Khangela isihlalo sevalve kunye nomphezulu wentloko yevalve, kufuneka ihambe kakuhle, ingabikho i-abrasion, i-groove marks, amabala amnyama kunye nezinye iintsilelo, ukuba kukho, kufuneka kuqhutywe unyango lokusila ngokwenqanaba lokusilela okanye ukulungisa ukugawula.
(2) Qwalasela isiqu sevalve, akukho kugotywa, umonakalo, ukukrazuka kunye nezinye iziphene. Kwaye isitywina esijikelezayo, kufuneka sihlambuluke, akukho zimpawu ze-groove kunye nezinye iintsilelo, i-screw kwi-valve stem ayinayo umonakalo, kunye ne-nut enokulungelelaniswa kakuhle, ukujikeleza okulula, ngaphandle koko kufuneka kulungiswe. Isiqu kufuneka sigobe ngaphakathi kwe-0.1mm, kwaye ubunzulu bomgodi wokunxiba akufanele budlule i-0.1-0.2mm.
③ Umsantsa phakathi kwesiqu sevalve kunye nesivalo sokugcina kufuneka silinganiswe ngokuchanekileyo ngaphakathi koluhlu lwe-0.2 ~ 0.25mm, kwaye isithuba phakathi kwesitulo sevalve kunye ne-disc cap kufuneka ibe phakathi koluhlu lwe-0.2 ~ 0.3mm.
(4) Khangela i-screw yokudibanisa phakathi kwesakhelo senkxaso kunye nesihlalo, akufanele kubekho umonakalo, kwaye ulungelelwaniso oludibeneyo lulungile. I-screw nganye yokubopha kufuneka ihambelane kakuhle ne-screw cap.
Iqondo lokunxiba le nut screw aliyi kudlula i-1/3 yobude bocingo.
Khangela isixhobo sokuhambisa, i-gear, i-rack wear, umonakalo akufanele udlule i-1/3 yobunzima bezinyo, inxalenye yokudibanisa izinyo akufanele iqhekeke kunye nemingcipheko yokukhusela izinyo. Khangela ukuba i-rolling bear yonakalisiwe kwaye ijikeleza ngokungenabubele. Ukukhetha okwenziwa ngesandla kunye nokuzenzekelayo kulula kwaye kunokwethenjelwa, kwaye inkqubo yokudlulisa indleko.
3) Indibano yombane othe ngqo-nge-valve yokumisa. Inkqubo yendibano yevalve yeglowubhu yombane iguqulwa kunye nenkqubo yokuqhekeka.
Umbane oqhubekayo wevalve yokumisa ubushushu obuphezulu unokubekwa kuzo zonke iindawo zombhobho, ophakathi ukusuka ezantsi ukuya kumsinga ongentla. Uyilo lwembonakalo yemveliso kunye nokuveliswa ngokomgangatho welizwe jikelele we-GB12235, isakhiwo esifanelekileyo, ukutywinwa okuthembekileyo, ukusebenza okugqwesileyo, ukumila okuhle. Ivalve yeglowubhu yentsimbi yekhabhoni ifanelekile kumphunga onganyangekiyo kubushushu kunye nemibhobho yeoli, eneempawu ezikwaziyo ukumelana nobushushu. Ivalve yeglowubhu yeglowubhu yombane eqhubayo eqhubekayo ilungele zonke iintlobo zemibhobho etyiwayo ephakathi, enokumelana nokutyiwa kakuhle kunye nokomelela okwaneleyo kokucinezela. Iintlobo zezixhobo ze-valve zigqityiwe, izinto zokuzalisa, i-gasket inokukhethwa ngokufanelekileyo ngokweemeko ezithile zokusebenza okanye iimfuno zomsebenzisi, zinokufaneleka kuxinzelelo olukhulu, ubushushu obuphakathi kunye neemeko zokusebenza eziphakathi.
Iimpawu eziphambili zevalve yeglowubhu yeglowubhu eqhubekayo yombane kunye nosetyenziso oluphambili
1. Ivalve yesango kunye nombhobho zidityaniswe kunye.
2, umphezulu akukho lula ukonakalisa, chafing, ukutywina ukusebenza kulungile. Ubomi benkonzo ende.
I-3, isakhiwo esilula, ukuvula okunamandla kunye nokuvala, ukuphakama okuncinci, ukugcinwa okufanelekileyo.
I-4, ingaba ngamanzi, umphunga, indlela yombhobho wemveliso, enokumelana nobushushu, ukumelana noxinzelelo oluphezulu.
Umbane oqhubekayo wevalve yokumisa ubushushu obuphezulu iingxaki eziqhelekileyo
Umbane oqhubekayo wevalve yokumisa ubushushu obuphezulu unokubekwa kuzo zonke iindawo zombhobho, ophakathi ukusuka ezantsi ukuya kumsinga ongentla. Uyilo lwembonakalo yemveliso kunye nokuveliswa ngokomgangatho welizwe jikelele we-GB12235, isakhiwo esifanelekileyo, ukutywinwa okuthembekileyo, ukusebenza okugqwesileyo, ukumila okuhle. Ivalve yeglowubhu yentsimbi yekhabhoni ifanelekile kumphunga onganyangekiyo kubushushu kunye nemibhobho yeoli, eneempawu ezikwaziyo ukumelana nobushushu. Ivalve yeglowubhu yeglowubhu yombane eqhubayo eqhubekayo ilungele zonke iintlobo zemibhobho etyiwayo ephakathi, enokumelana nokutyiwa kakuhle kunye nokomelela okwaneleyo kokucinezela.
Iimpawu zevalve yombane eqhubekayo yobushushu obuphezulu beglowubhu iboniswa ngolu hlobo lulandelayo:
① Ivalve yepiston kunye nomphezulu wesihlalo sevalvu zenziwe nge-welding eqinile yokutshiza, ukumelana nokunxitywa, ukumelana nobushushu, ukuxhathisa ukubola, ukuxhathisa kwe-abrasion, yomelele kwaye yomelele.
② Izinto ze-valve stem yintsimbi ecinywayo ngamaxesha amaninzi, ubulukhuni be-valve yesikhondo esiphakamileyo, ukuxhathisa ukunxitywa, ukuxhathisa kwe-abrasion, ukuxhathisa umhlwa.
(3) Ngenxa yobushushu bendalo esingqongileyo, uxinzelelo olusebenzayo kunye nezinye izinto, i-valve ububanzi ngaphakathi kwe-DN50 ipleyiti yesekethe yeoli kunye nevalve yokuqukuqela enye ziindawo zokubumba, kwaye ipleyiti yesekethe yeoli kunye nevalve yokuqukuqela enye ngaphezulu kwe-DN65 ziintsimbi zentsimbi.
④ Iintlobo zezixhobo zeValve zigqityiwe, izinto zokuzalisa, i-gasket inokukhethwa ngokufanelekileyo ngokweemeko ezithile zokusebenza okanye iimfuno zomsebenzisi, inokulungela uxinzelelo olukhulu, ubushushu obuphakathi kunye neemeko zokusebenza eziphakathi.
⑤ Nikela ingqalelo ekungeneni kwe-medium xa uhlanganisa ivalve yesango, kwaye udibanise ngokungqongqo ngokuhambelana nolwalathiso olubonakaliswe lutolo lokungena kwevalve yesango.
Ivalve yokumisa yombane kangangoko kunokwenzeka ukuba idibane nkqo, iphakame.
Ixesha lokuposa: Mar-10-2023
