I-valve yesango yivalve eqhelekileyo ngokubanzi, esetyenziswa kakhulu, isetyenziswa kakhulu kushishino lokugcinwa kwamanzi, i-metallurgy kunye nezinye izimboni, uluhlu olubanzi lwentsebenzo luye lwaqatshelwa yimarike, i-TWS inomsebenzi wokujonga umgangatho kunye nobuchwepheshe kunye novavanyo kangangeminyaka emininzi, ukongeza ekufumaneni iivalve zesango, uphando oluthile lukwasetyenziswa nakwiivalve zesango, ukusombulula iingxaki kunye nezinye iinkalo zophando olucokisekileyo nolucokisekileyo.
Ngokweemilo ezahlukeneyo zesakhiwo seevalvu zesango, iivalvu zesango zinokwahlulwa zibe ziindidi ezimbini: uhlobo lwe-wedge kunye nohlobo oluhambelanayo.
Ipleyiti yesango yevalvu yesango le-wedge imile okwe-wedge, kwaye umphezulu wokutywina uthambekele kumgca osembindini wetshaneli, kwaye i-wedge ephakathi kwepleyiti yesango kunye nesihlalo se-valve isetyenziselwa ukuvala. Ipleyiti ye-wedge ingaba yisango elinye okanye isango eliphindwe kabini.
Imiphezulu yokutywina yevalvu yesango elihambelanayo iyafana kwaye ihambelana nomgca osembindini wetshaneli, eyahlulwe yaba ziintlobo ezimbini: enendlela yokuvula nengenayo. Kukho iram ephindwe kabini enendlela yokubopha, xa iram isihla, i-wedge yeeram ezimbini ezihambelanayo ixhonywe kwisihlalo sevalvu ngeplani ethambekileyo, umjelo wokuhamba uyanqunyulwa, xa iram iphakama kwaye ivuleka, i-wedge yahlulwe kumphezulu wokudibana kweram, iram iphakama iye kubude obuthile, kwaye i-wedge ibanjwe yi-boss kwiram. Xa iram ingena kwisihlalo sevalvu ecaleni kwemiphezulu emibini yesihlalo sevalvu ehambelanayo, uxinzelelo lolwelo lusetyenziselwa ukucinezela iram emzimbeni wevalvu kwicala lokuphuma levalvu ukuvala ulwelo.
Ngokweentshukumo ezahlukeneyo zesiqu sevalvu xa isango livuliwe kwaye livaliwe, iivalvu zesango zahlulwe zibe ziindidi ezimbini: iivalvu zesango lesiqu esinyukayo kunye neevalvu zesango lesiqu esifihliweyo. Isiqu sevalvu kunye nesango levalvu yesango lesiqu esinyukayo ziyaphakama kwaye ziwe ngaxeshanye xa zivulwa okanye zivaliwe; xa ivalvu yesango lesiqu esifihliweyo ivulwa okanye ivaliwe, isiqu sevalvu siyajikeleza kuphela, kwaye ukunyuka nokuwa kwesiqu sevalvu akubonakali, kwaye ipleyiti yevalvu iyaphakama okanye iwe. Inzuzo yevalvu yesango lesiqu esinyukayo kukuba ukuphakama kokuvula umjelo kunokugwetywa ngokuphakama kwesiqu sevalvu, kodwa ukuphakama okuhlalwayo kunokufinyezwa. Xa ujongene nevili lesandla okanye isiphatho, jika ivili lesandla okanye isiphatho ngokwewotshi ukuze uvale ivalvu.
2. Iziganeko kunye nemigaqo yokukhetha iivalvu zesango
01. Ivalvu yesango elithe tyaba
Amaxesha eevalvu zesango elithe tyaba:
(1) Imibhobho yeoyile negesi yendalo. Iivalvu zesango ezisicaba ezinemingxuma yokujika nazo zilungele ukucoca imibhobho.
(2) Iipayipi kunye nezixhobo zokugcina ioyile ecociweyo.
(3) Iindawo zokuvelisa ioyile negesi yendalo.
(4) Iipayipi ezine-particle media ezixhonyiweyo.
(5) Imibhobho yokuhambisa igesi yesixeko.
(6) Iiprojekthi zokubonelela ngamanzi.
Umgaqo wokukhetha ivalvu yesango elisicaba:
(1) Kwimibhobho yokuhambisa ioyile negesi yendalo, kukhethwa iivalvu zesango lepleyiti ezineegeti ezilodwa okanye eziphindwe kabini. Ukuba ufuna ukucoca umbhobho, khetha ivalvu yesango evulekileyo enentonga enye kunye nomngxuma wokujika.
(2) Kwimibhobho yokuthutha kunye nezixhobo zokugcina ioyile ecociweyo, ivalvu yesango elithe tyaba enesango elinye okanye eliphindwe kabini elingenamngxuma wokujika iyakhethwa.
(3) Kwisixhobo sokusebenzisa i-oyile negesi yendalo, ivalvu yesango elithe tyaba enepleyiti yesango enye okanye ezimbini enesihlalo sevalvu esintantayo sentonga emnyama kunye nomngxuma wokujika iyakhethwa.
(4) Kwimibhobho ene-particle media exhonyiweyo, kukhethwa iivalvu zesango ezisicaba ezimile okwemela.
(5) Kwimibhobho yokuhambisa igesi yasezidolophini, kukhethwa ivalvu yesango elinye okanye ipleyiti yesango eliphindwe kabini ethambileyo evulekileyo yentonga ethe tyaba yesango.
(6) Kwiiprojekthi zonikezelo lwamanzi, ivalvu yesango elinye okanye ivalvu yesango eliphindwe kabini engenamngxuma wokujika intonga evulekileyo yesango elithe tyaba iyakhethwa.
02. Ivalvu yesango le-Wedge
Izihlandlo zokusetyenziswa kwevalvu yesango leWedge: kwiintlobo ngeentlobo zeevalvu, ivalvu yesango yeyona isetyenziswa kakhulu, ngokubanzi ifaneleka kuphela xa ivuliwe ngokupheleleyo okanye ivaliwe ngokupheleleyo, ayinakusetyenziselwa ukulungisa nokuqhobosha.
Iivalvu zesango le-wedge zihlala zisetyenziswa kwiindawo apho kungekho mfuneko ingqongqo yobukhulu bangaphandle bevalvu, kwaye iimeko zokusetyenziswa zinzima ngakumbi. Umzekelo, indawo yokusebenza yobushushu obuphezulu kunye noxinzelelo oluphezulu ifuna ukuba iindawo zokuvala zivalwe ixesha elide.
Ngokubanzi, kucetyiswa ukusetyenziswa koxinzelelo oluphezulu, ukunqunyulwa koxinzelelo oluphezulu (umahluko omkhulu woxinzelelo), ukunqunyulwa koxinzelelo oluphantsi (umahluko omncinci woxinzelelo), ingxolo ephantsi, ukutsalwa kwe-cavitation kunye nokufuma, ubushushu obuphakathi obuphezulu, ubushushu obuphantsi (i-cryogen), ivalvu yesango le-wedge. Umzekelo, isetyenziswa kakhulu kushishino lwamandla ombane, ukunyibilikisa ipetroleum, ishishini le-petrochemical, ioyile yolwandle, ubunjineli bamanzi epompo kunye nobunjineli bonyango lwendle kulwakhiwo lwasezidolophini, kunye noshishino lweekhemikhali.
Umgaqo wokukhetha:
(1) Iimfuneko zeempawu zolwelo lwevalvu. Iivalvu zesango zikhethwa kwiimeko zokusebenza ezinokumelana nokugeleza okuncinci, amandla okugeleza aqinileyo, iimpawu zokuhamba kakuhle kunye neemfuno ezingqongqo zokutywina.
(2) Isixhobo esiphakathi esinobushushu obuphezulu nesinoxinzelelo oluphezulu. Esifana nomphunga ophantsi koxinzelelo oluphezulu, ioyile ekumgangatho ophezulu neyoxinzelelo oluphezulu.
(3) Ubushushu obuphantsi (i-cryogen) medium. Ezifana ne-ammonia engamanzi, i-hydrogen engamanzi, i-oxygen engamanzi kunye nezinye izinto ezisetyenziswayo.
(4) Uxinzelelo oluphantsi kunye nobubanzi obukhulu. Ezifana neeprojekthi zamanzi empompini, iiprojekthi zokucoca amdaka.
(5) Imibhobho yokuhambisa igesi yesixeko.
(6) Iiprojekthi zokubonelela ngamanzi.
Umgaqo wokukhetha ivalvu yesango elisicaba:
(1) Kwimibhobho yokuhambisa ioyile negesi yendalo, kukhethwa iivalvu zesango lepleyiti ezineegeti ezilodwa okanye eziphindwe kabini. Ukuba ufuna ukucoca umbhobho, khetha ivalvu yesango evulekileyo enentonga enye kunye nomngxuma wokujika.
(2) Kwimibhobho yokuthutha kunye nezixhobo zokugcina ioyile ecociweyo, ivalvu yesango elithe tyaba enesango elinye okanye eliphindwe kabini elingenamngxuma wokujika iyakhethwa.
(3) Kwisixhobo sokusebenzisa i-oyile negesi yendalo, ivalvu yesango elithe tyaba enepleyiti yesango enye okanye ezimbini enesihlalo sevalvu esintantayo sentonga emnyama kunye nomngxuma wokujika iyakhethwa.
(4) Kwimibhobho ene-particle media exhonyiweyo, kukhethwa iivalvu zesango ezisicaba ezimile okwemela.
(5) Kwimibhobho yokuhambisa igesi yasezidolophini, kukhethwa ivalvu yesango elinye okanye ipleyiti yesango eliphindwe kabini ethambileyo evulekileyo yentonga ethe tyaba yesango.
(6) Kwiiprojekthi zonikezelo lwamanzi, ivalvu yesango elinye okanye ivalvu yesango eliphindwe kabini engenamngxuma wokujika intonga evulekileyo yesango elithe tyaba iyakhethwa.
02. Ivalvu yesango le-Wedge
Izihlandlo zokusetyenziswa kwevalvu yesango leWedge: kwiintlobo ngeentlobo zeevalvu, ivalvu yesango yeyona isetyenziswa kakhulu, ngokubanzi ifaneleka kuphela xa ivuliwe ngokupheleleyo okanye ivaliwe ngokupheleleyo, ayinakusetyenziselwa ukulungisa nokuqhobosha.
Iivalvu zesango le-wedge zihlala zisetyenziswa kwiindawo apho kungekho mfuneko ingqongqo yobukhulu bangaphandle bevalvu, kwaye iimeko zokusetyenziswa zinzima ngakumbi. Umzekelo, indawo yokusebenza yobushushu obuphezulu kunye noxinzelelo oluphezulu ifuna ukuba iindawo zokuvala zivalwe ixesha elide.
Ngokubanzi, kucetyiswa ukusetyenziswa koxinzelelo oluphezulu, ukunqunyulwa koxinzelelo oluphezulu (umahluko omkhulu woxinzelelo), ukunqunyulwa koxinzelelo oluphantsi (umahluko omncinci woxinzelelo), ingxolo ephantsi, ukutsalwa kwe-cavitation kunye nokufuma, ubushushu obuphakathi obuphezulu, ubushushu obuphantsi (i-cryogen), ivalvu yesango le-wedge. Umzekelo, isetyenziswa kakhulu kushishino lwamandla ombane, ukunyibilikisa ipetroleum, ishishini le-petrochemical, ioyile yolwandle, ubunjineli bamanzi epompo kunye nobunjineli bonyango lwendle kulwakhiwo lwasezidolophini, kunye noshishino lweekhemikhali.
Umgaqo wokukhetha:
(1) Iimfuneko zeempawu zolwelo lwevalvu. Iivalvu zesango zikhethwa kwiimeko zokusebenza ezinokumelana nokugeleza okuncinci, amandla okugeleza aqinileyo, iimpawu zokuhamba kakuhle kunye neemfuno ezingqongqo zokutywina.
(2) Isixhobo esiphakathi esinobushushu obuphezulu nesinoxinzelelo oluphezulu. Esifana nomphunga ophantsi koxinzelelo oluphezulu, ioyile ekumgangatho ophezulu neyoxinzelelo oluphezulu.
(3) Ubushushu obuphantsi (i-cryogen) medium. Ezifana ne-ammonia engamanzi, i-hydrogen engamanzi, i-oxygen engamanzi kunye nezinye izinto ezisetyenziswayo.
(4) Uxinzelelo oluphantsi kunye nobubanzi obukhulu. Ezifana neeprojekthi zamanzi empompini, iiprojekthi zokucoca amdaka.
(5) Indawo yokufakela: xa ubude bokufakela bunqunyelwe, kukhethwa ivalvu yesango le-dark rod wedge; Xa ubude bunganqunyelwe, kukhethwa ivalvu yesango le-open rod wedge.
(6) Kuphela xa inokuvulwa ngokupheleleyo okanye ivalwe ngokupheleleyo, kwaye ingenakusetyenziselwa ukulungisa nokulawula i-throttling, ivalvu yesango le-wedge inokukhethwa.
3. Iziphene eziqhelekileyo kunye nokugcinwa
01. Iimpazamo eziqhelekileyo kunye nezizathu zeevalvu zesango
Emva kokuba ivalvu yesango isetyenzisiwe, ezi ngxaki zilandelayo zihlala zivela ngenxa yobushushu obuphakathi, uxinzelelo, ukugqwala kunye nentshukumo ehambelanayo yoqhagamshelwano ngalunye.
(1) Ukuvuza: Kukho iintlobo ezimbini, ezizezi ukuvuza kwangaphandle kunye nokuvuza kwangaphakathi. Ukuvuza ngaphandle kwevalvu kubizwa ngokuba kukuvuza, kwaye ukuvuza kuqhelekile kwiibhokisi zokuzalisa kunye noqhagamshelo lweflange.
Isizathu sokuvuza kwebhokisi yokuzalisa: uhlobo okanye umgangatho wokupakisha awuhlangabezani neemfuno; Ukupakisha okugugayo okanye ukuwohloka kwesiqu; I-packing gland ekhululekileyo Ukukrala kumphezulu wesiqu.
Isizathu sokuvuza koqhagamshelo lweflange: izinto okanye ubungakanani begasket abuhlangabezani neemfuno; Umgangatho ophantsi wokucubungula umphezulu wokutywina iflange; ukuqina okungafanelekanga kweebholiti zokudibanisa; Imibhobho ayilungiswanga kakuhle, nto leyo ebangela imithwalo eyongezelelweyo emininzi kwiindawo zokudibanisa.
Imbangela yokuvuza kwangaphakathi kwevalvu: Ukuvuza okubangelwa kukuvalwa okukhululekileyo kwevalvu kukuvuza kwangaphakathi, okubangelwa kukonakala komphezulu wokutywina kwevalvu okanye ingcambu ekhululekileyo yeringi yokutywina.
(1) Ukugqwala kudla ngokubangelwa kukugqwala komphezulu wokutywina womzimba wevalvu, isigqubuthelo sevalvu, isiqu sevalvu kunye neflange. Ukugqwala kubangelwa ikakhulu yintshukumo yesixhobo, kodwa kukwabangelwa nayimpembelelo yokukhulula ii-ion kwi-filler kunye ne-gasket.
(2) Ukukrazula: ukuxukuxa okanye ukuxobuka komphezulu wendawo okwenzeka xa i-ram kunye nesihlalo sevalvu zishukuma phantsi koxinzelelo oluthile loqhagamshelwano.
02. Ukugcinwa kweiivalvu zesango
(1) Ukulungiswa kokuvuza kwangaphandle kwevalvu
Xa ucinezela ukupakisha, i-gland bolt kufuneka isetyenziswe ngokulinganayo ukuze i-gland ingathambeki kwaye ishiye isithuba sokucinezelwa. Kwangaxeshanye xa ucinezela ukupakisha, i-valve stem kufuneka ijikeleziswe ukuze ukupakisha okujikeleze i-valve stem kufane, kwaye kuthintelwe uxinzelelo ukuba lufe kakhulu, ukuze lungachaphazeli ukujikeleza kwe-valve stem, kwandiswe ukuguguleka kokupakisha, kwaye kufinyezwe ubomi benkonzo. Umphezulu we-valve stem uyarhabaxa, ukuze kube lula ukuphuma kwe-medium, kwaye kufuneka icutshungulwe ukuze kususwe amanxeba kumphezulu we-valve stem ngaphambi kokusetyenziswa.
Ukuba i-gasket yonakele, kufuneka itshintshwe; Ukuba izinto ze-gasket azikhethwanga ngokufanelekileyo, kufuneka kukhethwe izinto ezinokuhlangabezana neemfuno zokusetyenziswa; Ukuba umgangatho wokucubungula umphezulu wokutywina i-flange awulunganga, umphezulu wokutywina i-flange kufuneka ususwe kwaye ucutshungulwe kwakhona ude ulungelelaniswe.
Ukongeza, ukuqinisa ngokufanelekileyo iibholithi zeflange, ukwakheka ngokufanelekileyo kwemibhobho, kunye nokuphepha imithwalo eyongezelelweyo engaphezulu kuqhagamshelo lweflange konke oku kunceda ekuthinteleni ukuvuza kwindawo edibeneyo yeflange.
(2) Ukulungiswa kokuvuza ngaphakathi kwivalvu
Ukulungiswa kokuvuza kwangaphakathi kukususa umonakalo kumphezulu wokutywina kunye nokutywina okukhululekileyo kwingcambu (xa iringi yokutywina icinezelwe kwipleyiti yevalvu okanye isihlalo ngentambo). Ukuba umphezulu wokutywina ucutshungulwa ngqo emzimbeni wevalvu kunye nepleyiti yevalvu, akukho ngxaki yeengcambu ezikhululekileyo kunye nokuvuza.
Xa umphezulu wokuvala wonakele kakhulu, kwaye umphezulu wokuvala wenziwe yiringi yokuvala, iringi endala kufuneka isuswe kwaye kufuneka kuxhotyiswe iringi entsha yokuvala; Ukuba umphezulu wokuvala ufakwe ngqo emzimbeni wevalvu, umphezulu wokuvala owonakeleyo kufuneka ususwe kuqala, kwaye emva koko iringi entsha yokuvala okanye umphezulu ofakwe ngomatshini kufuneka ucolwe ube ngumphezulu omtsha wokuvala. Xa imikrwelo, amaqhuma, ukutyumza, ukuqhekeka kunye nezinye iziphene zomphezulu wokuvala zingaphantsi kwe-0.05mm, zinokususwa ngokusila.
Xa iringi yokutywina icinezelwe kwaye ilungisiwe, iteyipu ye-PTFE okanye ipeyinti emhlophe etyebileyo ingafakwa ezantsi kwesihlalo sevalvu okanye umngxuma weringi yokutywina, ize icinezelwe kwisitywina ukuze ingcambu yeringi yokutywina izaliswe; Xa isitywina sifakwe imisonto, iteyipu ye-PTFE okanye ipeyinti emhlophe kufuneka ibekwe phakathi kwemisonto ukuthintela ulwelo ekuvuzeni phakathi kwemisonto.
(3) Ukulungiswa kweivalvuumhlwa
Ngokubanzi, umzimba wevalvu kunye nebhonethi zibola ngokulinganayo, ngelixa isiqu sevalvu sidla ngokubotshelelwa. Xa kulungiswa, iimveliso zokubola kufuneka zisuswe kuqala, kwaye isiqu sevalvu esineemingxuma zokubotshelelwa kufuneka sicutshungulwe kwi-lathe ukuze kupheliswe ukuxinana, kwaye endaweni yoko kusetyenziswe ukupakisha okuqulethe i-arhente yokukhulula kancinci, okanye ukupakisha kufuneka kucocwe ngamanzi acocekileyo ukuze kususwe ii-ion ezinefuthe lokubola kwisiqu sevalvu esikwipakeji.
(4) Ukulungiswa kokukrala kumphezulu wokuvala
Ekusetyenzisweni kweivalvu, umphezulu wokuvala kufuneka uthintelwe ekukrazuleni kangangoko kunokwenzeka, kwaye i-torque akufuneki ibe nkulu kakhulu xa ivalvu ivaliwe. Ukuba umphezulu wokuvala urhabaxa, unokususwa ngokusila.
Okwesine, ukuchongwa kweevalvu zesango
Kwimeko yemarike yangoku kunye neemfuno zabasebenzisi, iivalvu zesango lesinyithi zibaluleke kakhulu. Njengomhloli womgangatho wemveliso, ukongeza ekubeni siqhelene nokuhlolwa komgangatho wemveliso, kufuneka siqonde kakuhle imveliso ngokwayo.
01. Isiseko sovavanyo lweevalvu zesango lesinyithi
Uvavanyo lwevalvu yesango lesinyithi lusekelwe kwi-GB/T12232-2005 esemgangathweni kazwelonke ethi “Ivalvu yesango lesinyithi eliQhagamshelaniswa neFlange yeValve”.
02. Izinto zokuhlola iivalvu zesango lesinyithi
Ngokuyintloko ziquka: uphawu, ubukhulu bodonga obuncinci, uvavanyo loxinzelelo, uvavanyo lweqokobhe, njl.njl., apho ubukhulu bodonga, uxinzelelo, uvavanyo lweqokobhe luyinto yokuhlolwa eyimfuneko, kodwa nento ephambili, ukuba kukho izinto ezingahambelaniyo, inokugwetywa ngokuthe ngqo njengeemveliso ezingafanelekiyo.
Ngamafutshane, ukuhlolwa komgangatho wemveliso yinxalenye ebalulekileyo yokuhlolwa kwemveliso yonke, ukubaluleka kwayo kuyabonakala, njengabasebenzi bokuhlola abaphambili, kufuneka siqhubeke nokuqinisa umgangatho wabo, kungekuphela nje ukwenza umsebenzi olungileyo ekuhlolweni kwemveliso, kodwa nokuba nokuqonda ukuhlolwa kweemveliso, ukuze senze umsebenzi olungileyo ekuhlolweni ngcono.
Tianjin Tanggu Water-Seal Valve Co.,ltdikakhulu ukuvelisa ukuhlala okuzinzileyoivalvu yebhabhathane,ivalvu yesango,Isihluzo se-Y, ivalvu yokulinganisela, ivalvu yokujonga, ivalvu yokulinganisela, isithinteli sokuhamba komoya emva njl.
Ixesha leposi: Disemba-26-2024
