Yintoni ivalve yebhabhathane yentsimbi?
Ushwankathelo: Eli nqaku lazisa ngokufutshane umthetho-siseko wokusebenza, iindidi, izinto eziluncedo nezingeloncedo, kunye neengxaki ezixhaphakileyo zeevalvu zebhabhathane zentsimbi engenastainless, ezijolise ekuncedeni wonke umntu afunde ngcono malunga neevalvu zebhabhathane zentsimbi.
Iivalvu zebhabhathane zensimbi engenastainless (ezaziwa ngokuba ziivalvu zentsimbi engenastainless) zizivalo ezisebenzisa idisc-shaped components to reciprocate at 90° ukuvula, ukuvala, nokulungelelanisa imijelo yolwelo. Njengenxalenye esetyenziselwa ukuqaphela ukucinywa kunye nokulawulwa kokuhamba kweenkqubo zemibhobho, iivalve zebhabhathane zensimbi ezingenasici zingasetyenziselwa ukulawula ukuhamba kweentlobo ezahlukeneyo zolwelo olunjengomoya, amanzi, umphunga, imidiya eyahlukeneyo eyonakalisayo, udaka, iimveliso zeoyile, iintsimbi ezingamanzi, kunye nemidiya yeradioactive. Ukakhulu badlala indima ekunqumleni nasekubetheni imibhobho. Iivalvu zebhabhathane zensimbi engenastainless zisetyenziswe ngokubanzi kwimimandla emininzi efana nepetroleum, ishishini lemichiza, isinyithi, kunye nombane wamanzi.
Umgaqo osebenzayo weevalvu zebhabhathane zentsimbi
https://www.youtube.com/embed/mqoAITCiMcA?si=MsahZ3-CbMTts_i7
Iivalvu zebhabhathane zensimbi engenastainless, ezikwaziwa ngokuba ziivalvu zentsimbi engenastainless, ziyintsimbi elula elawula iivalvu ezinokuthi zisetyenziswe kulawulo oluvaliweyo loxinzelelo olusezantsi lwemibhobho. Ubukhulu becala yenziwe ngumzimba wevalvu, isiqu sevalve, ipleyiti yebhabhathane, kunye neringi yokutywina. Umzimba wevalve unomsila, unobude obufutshane be-axial kunye nepleyiti yebhabhathane eyakhelweyo.
Umgaqo osebenzayo we-stainless steel butterfly valve kukufezekisa injongo yokuvula kunye nokuvala okanye ukulungelelanisa ngokusebenzisa indawo yokuvula kunye nokuvala (i-disc-shaped butterfly plate) ejikelezayo kwi-axis yayo kumzimba wevalve.
Izinto eziluncedo kunye nezingeloncedo zeStainless Steel Butterfly Valve
Iingenelo
1. I-torque encinci yokusebenza, ilula kwaye ikhawuleza ukuvulwa kunye nokuvala, i-90 ° i-reciprocating rotation, ukugcinwa kwabasebenzi, ukuchasana kwamanzi amancinci, kwaye inokusebenza rhoqo.
2. Isakhiwo esilula, indawo encinci yokufakela kunye nobunzima obulula. Ukuthatha i-DN1000 njengomzekelo, ubunzima be-butterfly valve yensimbi engenasici malunga ne-2T phantsi kweemeko ezifanayo, ngelixa ubunzima be-valve yesango yensimbi engenasici malunga ne-3.5T.
3. Ivalve yebhabhathane kulula ukudibanisa kunye nezixhobo ezahlukeneyo zokuqhuba kwaye inokuqina okuhle kunye nokuthembeka.
4. Ngokwamandla okutywinwa kwendawo, ingasetyenziselwa imidiya kunye neengqungquthela eziqinileyo ezimisiweyo, kunye ne-powdery kunye ne-granular media.
5. Isiqu se-valve sisakhiwo se- through-stem, esiye safudumala kwaye sineempawu ezilungileyo ezibanzi zoomatshini, ukuxhathisa ukubola, kunye nokuxhatshazwa kwe-abrasion. Xa ivalve yebhabhathane ivuliwe kwaye ivaliwe, isiqu sevalve sijikeleza kuphela endaweni yokuphakamisa kunye nokwehlisa. Ukupakishwa kwe-valve stem akulula ukuba konakaliswe kwaye isitywina sithembekile.
Iingxaki
1. Uxinzelelo olusebenzayo kunye noluhlu lweqondo lokushisa lincinci, kwaye ubushushu bokusebenza ngokubanzi bungaphantsi kwe-300℃ nangaphantsi kwe-PN40.
2. Ukusebenza kokutywinwa kubi, okubi kakhulu kuneentsimbi zebhola zensimbi ezingenasici kunye neentsimbi zokumisa intsimbi. Ngoko ke, isetyenziswe kwiindawo eziphantsi koxinzelelo apho iimfuno zokutywinwa zingekho phezulu kakhulu.
3. Uluhlu lohlengahlengiso lokuhamba alukho lukhulu. Xa ukuvulwa kufikelela kwi-30%, ukuhamba kungena ngaphezu kwe-95%;
Ukuhlelwa kweevalvu zebhabhathane zensimbi engenasici
A. Ukuhlelwa ngokwefomu yolwakhiwo
(1) Ivalve yebhabhathane etywiniweyo
(2) Ivalve yamalahle etywiniweyo enye
(3) Ivalve yebhabhathane etywiniweyo ephindwe kabini
(4) Ivalve yokunyathela etywiniweyo kathathu
B. Ukuhlelwa ngokutywina izinto ezingaphezulu
1
(2) Ivalve yebhabhathane yentsimbi eqinileyo etywiniweyo
C. Ukuhlelwa ngokwefomu yokutywina
(1) Ivalve yebhabhathane yentsimbi enyanzelweyo etywiniweyo
2
3
4
5
D. Ukuhlelwa ngoxinzelelo lokusebenza
(1) Ivalve yebhabhathane yentsimbi efunxayo. Ivalve yebhabhathane yensimbi engenastainless enoxinzelelo olusebenzayo olusezantsi kunomoya oqhelekileyo wereactor
(2) Ivalve yebhabhathane yentsimbi engenaxinzelelo oluphantsi. Ivalve yebhabhathane yentsimbi engenastainless enoxinzelelo lwePN＜1.6 MPa
(3) Uxinzelelo oluphakathi ivelufa yebhabhathane yentsimbi engenastainless. I-valve ye-butterfly yensimbi engenasici kunye noxinzelelo lwe-PN ye-2.5--6.4MPa
(4) Uxinzelelo oluphezulu lwentsimbi yebhabhathane ivelufa. Ivalve yebhabhathane yentsimbi engenastainless enoxinzelelo lwe-PN ye-10.0--80.0MPa
5 Ivalve yebhabhathane yentsimbi engenastainless enoxinzelelo lwePN＞100MPa
E. Ukuhlelwa ngobushushu bokusebenza
(1) Ubushushu obuphezulu ivelufa yebhabhathane yentsimbi, iqondo lobushushu elisebenzayo: t＞450 C
2＜t＜450 C
(3) Ubushushu obuqhelekileyo bevalve yebhabhathane yentsimbi engenastainless. Uluhlu lobushushu obusebenzayo: -40C＜t＜120 C
(4) Ubushushu obuphantsi ivelufa yebhabhathane yentsimbi engenaziphene. Uluhlu lobushushu obusebenzayo: -100＜t＜-40 C
(5) Ubushushu obuphantsi kakhulu obusezantsi kwentsimbi yebhabhathane ivelufa. Uluhlu lobushushu obusebenzayo: t＜-100 C
F. Ukuhlelwa ngokwesakhiwo
(1) Ipleyiti ye-Offset yentsimbi engenastainless valve yebhabhathane
(2) Ipleyiti eme nkqo ivelufa yebhabhathane yentsimbi
(3) Ipleyiti echokisiweyo ivelufa yebhabhathane yentsimbi
(4) Ivalve yebhabhathane yentsimbi engenastainless
G. Ukuhlelwa ngendlela yoqhagamshelwano(cofa ukuze ufumane ulwazi oluthe kratya)
(1) Ivalufa yohlobo lwentsimbi engenaziphene yebhabhathane
(2) Ivalve yebhabhathane yentsimbi emhlophe
(3) Lug uhlobo lwentsimbi engatyiwa valve butterfly
(4) Ivalve yebhabhathane yentsimbi edityanisiweyo
H. Ukuhlelwa ngendlela yokudlulisela
(1) Ivalve yebhabhathane eyenziwe ngentsimbi engatyiwa ngesandla
(2) Gear drive steel stainless butterfly valve
(3) Ivalve yebhabhathane yentsimbi engenamoya
(4) Ivalve yebhabhathane yentsimbi engenamanzi
(5) Ivalve yebhabhathane yentsimbi yombane
(6) Electro-hydraulic linkage steel stainless butterfly valve
I. Ukuhlelwa ngoxinzelelo lokusebenza
(1) Ivalve yebhabhathane yentsimbi efunxayo. Uxinzelelo lokusebenza lungaphantsi kunoxinzelelo oluqhelekileyo lwe-atmospheric
(2) Uxinzelelo oluphantsi lwevalve yebhabhathane yentsimbi engenastainless. Uxinzelelo lwe-PN
(3) Uxinzelelo oluphakathi ivelufa yebhabhathane yentsimbi engenastainless. Uxinzelelo oluncinci lwe-PN yi-2.5-6.4MPa
(4) Ivalve yebhabhathane yentsimbi engenaxinzelelo oluphezulu. Uxinzelelo lwe-PN yi-10-80MPa
(5) Ivalve yebhabhathane yentsimbi engenakutyiwa ngoxinzelelo oluphezulu. Uxinzelelo lwegama PN> 100MPa
Uphuhliso lwexesha elizayo lwevalve yebhabhathane yentsimbi
Iivalve zebhabhathane zentsimbi engenastainless zisetyenziswa kakhulu. Iindidi kunye nobuninzi bokusetyenziswa kwayo ziyaqhubeka nokwandisa, kwaye ziphuhlisa ngokubhekiselele kubushushu obuphezulu, uxinzelelo oluphezulu, ububanzi obukhulu, ukutywinwa okuphezulu, ubomi obude, iimpawu ezihle kakhulu zokulungelelanisa, kunye nevalve enye enemisebenzi emininzi. Ukuthembeka kwayo kunye nezinye iimpawu zokusebenza zifikelele kwinqanaba eliphezulu. Ngokusetyenziswa kwerabha yokwenziwa kweekhemikhali enganyangekiyo kwi-butterfly valves, ukusebenza kweevalve ze-butterfly zensimbi engenasici kuphuculwe. Ngenxa yokuba irabha eyenziweyo ineempawu zokunganyangeki, ukuxhathisa ukhukuliseko, ukuzinza komgangatho, ukomelela okulungileyo, ukubunjwa lula, ixabiso eliphantsi, njl., kunye nerabha yokwenziwa esebenza ngokwahlukileyo inokukhethwa ngokweemfuno ezahlukeneyo zokusetyenziswa ukuhlangabezana neemeko zokusetyenziswa kweevalvu zebhabhathane. . Ekubeni i-polytetrafluoroethylene (PTFE) inokumelana nokugqwala okuqinileyo, ukusebenza okuzinzile, akukho lula ukuguga, i-coefficient ephantsi ye-friction, kulula ukwenza, ubungakanani obuzinzile, kwaye inokuzaliswa kwaye yongezwe ngezinto ezifanelekileyo zokuphucula ukusebenza kwayo okubanzi, ukutywinwa kwevalve ye-butterfly yensimbi engenasici. izinto eziphathekayo ezinamandla angcono kunye ne-coefficient ephantsi ye-friction inokufumaneka, ukoyisa imida yerabha yokwenziwa. Ke ngoko, izinto eziphakamileyo ze-polymer zemolekyuli ezimelwe yi-polytetrafluoroethylene kunye nokuzaliswa kwayo kunye nokuguqulwa kwezinto ziye zasetyenziswa ngokubanzi kwiivalve zebhabhathane zensimbi engenasici, ngaloo ndlela ziphucula ngakumbi ukusebenza kweevalvu zebhabhathane zensimbi engenasici kunye nokuvelisa iivalve zebhabhathane zensimbi engenasici ezinobushushu obubanzi kunye noxinzelelo olubanzi, ukutywinwa okuthembekileyo. ukusebenza kunye nobomi benkonzo obude.
Ngokusetyenziswa kokumelana nobushushu obuphezulu, ukumelana nobushushu obuphantsi, ukuxhathisa okuqinileyo, ukukhukuliseka okuqinileyo kunye nokuqina okuphezulu kwezixhobo zealloyi kwiivalvu zebhabhathane zensimbi engenasici, iivalvu zebhabhathane ezitywiniweyo zentsimbi ezitywiniweyo ziye zasetyenziswa ngokubanzi kubushushu obuphezulu kunye obuphantsi, ukhukuliseko olunamandla, ixesha elide. ubomi kunye namanye amasimi amashishini, kunye nedayamitha enkulu (9 ~ 750mm), uxinzelelo oluphezulu (42.0MPa) kunye noluhlu olubanzi lobushushu (-196 ~ 606 ℃) iivalvu zebhabhathane zentsimbi engenastainless zivele, zizisa ubuchwephesha beevalvu zebhabhathane zensimbi engenasici kwindawo entsha. inqanaba.
Iimpazamo eziqhelekileyo zensimbi engenasici
I-elastomer yerabha ekwivalve yebhabhathane iya kukrazuka, iguge, iguge, igqobhoze okanye iwe ngexesha lokusetyenziswa ngokuqhubekayo. Inkqubo yemveli eshushu ye-vulcanization kunzima ukuziqhelanisa neemfuno zokulungiswa kwendawo. Izixhobo ezikhethekileyo kufuneka zisetyenziselwe ukulungiswa, ezisebenzisa ukushisa okukhulu kunye nombane, kwaye zichitha ixesha kunye nomsebenzi onzima. Namhlanje, izinto ezihlanganisiweyo zepolymer zisetyenziswa ngokuthe ngcembe ukutshintsha iindlela zemveli, phakathi kwazo ezona zisetyenziswa kakhulu yinkqubo yetekhnoloji yeFushilan. I-adhesion ephezulu kunye nokugqwesa okugqwesileyo kunye nokuxhathisa ukukrazula kweemveliso zayo kuqinisekisa ukuba ubomi benkonzo yamalungu amatsha bufezekisiwe okanye bugqithise emva kokulungiswa, ukunciphisa kakhulu ixesha lokuphumla.
Amanqaku aphambili okukhethwa kunye nokufakwa kweevalve ze-butterfly zensimbi engenasici
1. Isikhundla sofakelo, ukuphakama, kunye ne-inlet kunye ne-outlet ye-valve ye-butterfly yensimbi engenasici kufuneka ihlangabezane neemfuno zoyilo, kwaye uqhagamshelo kufuneka luqine kwaye luqine.
2. Kuzo zonke iintlobo zeevalve ezifakwe kwimibhobho efakwe kwi-insulated, izibambo akufanele zijonge phantsi.
3. Inkangeleko yevalve kufuneka ihlolwe phambi kokufakwa, kwaye i-nameplate yevalve kufuneka ihambelane nemigaqo yomgangatho wangoku wesizwe "i-General Valve Marking" GB 12220. Kwiivalvu ezinoxinzelelo olusebenzayo olungaphezu kwe-1.0 MPa kunye neevalvu unqumle umbhobho oyintloko, amandla kunye neemvavanyo zokusebenza ezingqongqo kufuneka zenziwe phambi kofakelo, kwaye zinokusetyenziswa kuphela emva kokuphumelela uvavanyo. Ngexesha lovavanyo lwamandla, uxinzelelo lovavanyo luyi-1.5 amaxesha oxinzelelo oluncinci, kwaye ubude bexesha alikho ngaphantsi kwemizuzu emi-5. Indawo yevalve kunye nokupakishwa kufuneka ingavuzi ukuze ifaneleke. Ngethuba lovavanyo lobunzima, uxinzelelo lovavanyo luyi-1.1 amaxesha oxinzelelo oluncinci; Uxinzelelo lovavanyo ngexesha lovavanyo kufuneka lufezekise iimfuno zomgangatho we-GB 50243, kwaye i-valve disc yokutywinwa komphezulu kufuneka ivuze-isimahla ukuze ifaneleke.
4. Iivalvu zebhabhathane zifanelekile kulawulo lokuhamba. Ekubeni ilahleko yoxinzelelo lweevalvu zebhabhathane kumbhobho inkulu ngokwentelekiso, malunga nezihlandlo ezithathu kunezo zevalvu zesango, xa kukhethwa iivalve zebhabhathane, impembelelo yelahleko yoxinzelelo kwinkqubo yombhobho kufuneka iqwalaselwe ngokupheleleyo, namandla epleyiti yebhabhathane ukuze imelane. Uxinzelelo oluphakathi kwemibhobho xa ivaliwe kufuneka nayo ithathelwe ingqalelo. Ukongeza, umda wobushushu osebenzayo wesixhobo sokuhlala ivalve elastic kubushushu obuphezulu kufuneka uqwalaselwe.
Ukuqukumbela
Ngokubanzi, i-valve ye-butterfly ye-stainless steel flange yimveliso yevalve esebenza ngokugqwesileyo kunye nesicelo esibanzi, esilungele ukulawula ulwelo kwiinkalo ezahlukeneyo zoshishino. Xa ukhetha kwaye uyisebenzisa, iimpawu zayo kunye neemfuno zesicelo kufuneka ziqwalaselwe ngokupheleleyo, kwaye iinkcukacha ezifanelekileyo kunye neempawu kufuneka zikhethwe ukuze kuqinisekiswe ukuzinza kunye nokhuseleko lokusebenza kwezixhobo.
