Ivalvu yesangoyivalve levamile jikelele-injongo ngetinhlobo letihlukahlukene tekusetjentiswa. Isetjentiswa kakhulu ekugcineni emanti, metallurgy kanye naletinye timboni. Uhla lwayo lolubanzi lwekusebenta luye lwabonwa yimakethe. Ngetulu kwekufundza ngevalve yesango, yaphindze yenta sifundvo lesibalulekile futsi lesicophelelako ngekusetjentiswa kanye nekusombulula tinkinga te .emavalvu elisango.
Lokulandzelako kuyinkhulumomphendvulwano jikelele ngesakhiwo, kusetjentiswa, kucatulula tinkinga, kuhlolwa kwelizinga kanye naletinye tincenye teemavalvu esango.
1. Sakhiwo
Isakhiwo seIvalvu yesango: leIvalvu yesangoyivalve lesebentisa ipuleti lesango kanye nesihlalo sevalve kulawula kuvulwa nekuvalwa.Ivalvu yesangoikakhulukati ihlanganisa umtimba wevalve, situlo sevalve, ipuleti lesango, sicu sevalve, ibhonethi, libhokisi lekugcwalisa, indlala yekupakisha, nati yesicu, isondo lesandla njalonjalo. Kuya ngekushintja kwesikhundla lesihlobene emkhatsini wesango kanye nesihlalo sevalve, linani lesiteshi lingashintjwa bese lesiteshi sincinywa. Kute kwentiwe kutsi .Ivalvu yesangokuvala kahle, indzawo yekuhlangana yepuleti lesango kanye nesihlalo sevalve igayiwe.
Ngekuya kwetindlela letehlukene tesakhiwo se .emavalvu esango, emavalvu esango angahlukaniswa abe luhlobo lwe-wedge kanye neluhlobo loluhambisanako.
Lisango le wedgeIvalvu yesangoimise kwe wedge, bese lendzawo yekuvala yakha i-angle le-oblique nelayini lesemkhatsini wesiteshi, bese le wedge emkhatsini welisango kanye nesihlalo se valve isetjentiswa kufeza kuvala (kuvala). Ipuleti le wedge lingaba yimvu yinye noma imvu lephindvwe kabili.
Letindzawo tekuvala tevalve yesango lehambisanako tihambisana futsi timile emgceni losemkhatsini wesiteshi, futsi kunetinhlobo letimbili: ngendlela yekwandzisa kanye nendlela yekwandzisa. Kukhona timvu letiphindvwe kabili letinendlela yekusakateka. Uma letindvuna tehla, ema wedges etimvu letimbili letihambisanako atawusakata letindvuna letimbili esihlalweni se valve ngekumelene nendzawo letsembeleko kwentela kuvimba umzila wekugeleta. Uma letindvuna tikhuphuka futsi tivuleka, ema wedges kanye nemasango kutawu Indzawo lehambisanako yepuleti ihlukaniswe, ipuleti lesango likhuphuka libe sesigabeni lesitsite, bese le wedge isekelwa ngumphatsi epuletini lesango. Lelisango leliphindvwe kabili ngaphandle kwendlela yekwandzisa, uma lelisango lishelela esihlalweni se valve eceleni kwetindzawo letimbili tesihlalo letihambisanako, kucindzeteleka kwaleliketjezi kusetjentiswa kucindzetela lisango emtimbeni we valve eceleni kwekuphuma kwevalve kuvala leliketjezi.
Ngekuya kwekuhamba kwesicu sevalve uma lisango livulwa futsi livalwa, levalve yesango ihlukaniswe yaba tinhlobo letimbili: ivalve yesango lesicu lekhuphukako kanye nevalve yesango lesicu lefihlekile. Sicu se valve kanye nepuleti lesango le valve yesango lesicu lesikhuphukako kukhuphuka futsi kuwe ngesikhatsi sinye uma kuvulwa noma kuvalwa; uma levalve yesango lesicu lefihlekile ivulwa noma ivalwe, sicu sevalve sijikeleta kuphela, futsi kuphakamisa sicu sevalve akubonakali, bese ipuleti levalve likhuphuka noma liwa imidlalo. Inzuzo ye valve yesango le sicu lesikhuphukako kutsi kuphakama kwekuvulwa kwemsele kungahlulelwa ngekuphakama lokukhuphukako kwesicu se valve, kepha kuphakama lokuhlaliwe kungafinyetwa. Uma ubukene nelisondvo lesandla noma lesibambo, jika lisondvo lesandla noma lesibambo ngendlela yewashi kwentela kuvala ivalve.
2. Letikhatsi kanye netimiso tekukhetsa emavalvu esango .
01. SicabaIvalvu yesango
Tikhatsi tesicelo sevalve yesango le-slab:
(1) Kumaphayiphi awoyela kanye negesi yemvelo, i-valve yesango lesicaba lenetimbobo tekuphambukisa nayo kulula kuhlanta leliphayiphi.
(2) Emaphayiphi kanye netintfo tekugcina oyili locolisiwe.
(3) Kusebentisa tintfo tekubeka oyili negesi yemvelo.
(4) Emaphayiphi lanetinhlayiya letimisiwe.
(5) Liphayiphi lekudluliswa kwegesi edolobheni.
(6) Imisebenti yemanti.
Umtsetfo wekukhetsa we-slabIvalvu yesango:
(1) Kumaphayiphi awoyela negesi yemvelo, sebentisa slab sinye noma letimbili .emavalvu esango. Uma kudzingeka kutsi uhlante liphayiphi, sebentisa lisango linye lelinemgodzi wekuphambukisa lovulekile sicu sevalve yesango lesicaba.
(2) Kuleliphayiphi lekutfutsa kanye nemishini yekugcina oyili lohlanjululiwe, kukhetwa ivalve yesango lelisicaba lenemvu yinye noma lemvu lephindvwe kabili ngaphandle kwetimbobo tekuphambukisa.
(3) Kufakwa kwemachweba ekukhipha oyili kanye negesi yemvelo, emavalvu esango le-slab yesango linye noma lamabili esango lelinetihlalo letintantako tetindvuku letifihlekile kanye netimbobo tekuphambukisa tiyakhetfwa.
(4) Kumaphayiphi lanetinhlayiya letimisiwe, emavalvu esango le-slab lamise kwemmese ayakhetfwa.
(5) Kumaphayiphi ekudlulisela igesi emadolobheni, sebentisa lisango linye noma lisango lelimbili lelivaliwe ngendlela lethambile lekhuphukako lenetindvuku letisicaba tesango.
(6) Kumaphrojekthi emanti empompi, emavalvu esango linye noma emasango lamabili lanetindvuku letivulekile letite timbobo tekuphambukisa ayakhetfwa.
02. Ivalvu yesango le-wedge
Tikhatsi letisebentako te-valve yesango le-wedge: Emkhatsini wetinhlobo letehlukene temavalvu, i-valve yesango nguyona lesetjentiswa kakhulu. Ngalokuvamile kulungele kuvulwa lokuphelele noma kuvalwa lokuphelele kuphela, futsi angeke isetjentiswe kulawula kanye nekucindzetela.
Emavalvu esango le Wedge avame kusetjentiswa etindzaweni lapho khona kute tidzingo leticinile ngetilinganiso tangephandle te valve, futsi timo tekusebenta tilukhuni kakhulu. Sibonelo, indlela yekusebenta yekushisa lokusetulu kanye nekucindzeteleka lokusetulu kudzinga tincenye tekuvala kucinisekisa kuvalwa kwesikhatsi lesidze, njll.
Ngalokuvamile, timo tenkonzo noma tidzinga kusebenta lokutsembekile kwekuvala, umfutfo lomkhulu, umfutfo lomkhulu wekusika (umehluko lomkhulu wekucindzeteleka), umfutfo lophansi wekusika (umehluko lomncane wekucindzeteleka), umsindvo lophansi, cavitation kanye ne-vaporization, lokushisa lokusezingeni leliphakeme lokusemkhatsini, lokushisa lokuphansi (cryogenic), kunconywa kusebentisa Wedge gate valve. Njengemboni yemandla, kuncibilikisa phethiloli, imboni yemakhemikhali ephethroli, oyili waselwandle, bunjiniyela bekuniketa emanti kanye nebunjiniyela bekuhlanta imfucuza ekwakhiweni kwemadolobha, imboni yemakhemikhali kanye naletinye tindzawo tisetjentiswa kakhulu.
Umtsetfo wekukhetsa:
(1) Tidzingo tetimphawu te-valve fluid. Emavalvu esango akhetselwa timo tekusebenta letinekumelana lokuncane kwekugeleta, emandla ekugeleta lacinile, timphawu letinhle tekugeleta, kanye netidzingo tekuvala leticinile.
(2) Lokushisa lokusezingeni leliphakeme kanye nekucindzeteleka lokusezingeni leliphakeme. Njenge steam lesetulu, lokushisa lokusetulu kanye ne oyili lesetulu.
(3) Lokushisa lokuphansi (kwe-cryogenic) lokusemkhatsini. Njenge-ammonia lesemantini, i-hydrogen lesemantini, i-oksijini lesemantini kanye naletinye tindlela tekusakata.
(4) Umfutfo lophansi kanye nebukhulu lobukhulu. Njengemisebenti yemanti, imisebenti yekuhlanta imfucuza.
(5) Indzawo yekufaka: Uma kuphakama kwekufaka kulinganiselwe, khetsa i-valve yesango le-stem wedge lefihlekile; uma kuphakama kungavinjelwa, khetsa i-valve yesango le-wedge yesicu levulekile.
(6) Emavalvu esango le-wedge angasetjentiswa kuphela uma angasetjentiswa kuphela ekuvuleni ngalokugcwele noma kuvalwa ngalokugcwele, futsi angeke asetjentiswe ekulungiseni nasekucindzeteleni.
3. Emaphutsa lavamile kanye nekunakekelwa
01. Emaphutsa lavamile kanye netizatfu te .emavalvu esango
Ngemuva kweIvalvu yesangoisetjentiswa, ngenca yemiphumela yekushisa lokusemkhatsini, kucindzeteleka, kugcola kanye nekuhamba lokuhlobene kwetincenye letehlukene tekutsintsana, letinkinga letilandzelako tivame kwenteka.
(1) Kuvuza: Kunetinhlobo letimbili, lokungukuvuza kwangaphandle kanye nekuvuza kwangekhatsi. Kuvuza kuya ngaphandle kwe valve kubitwa ngekutsi kuvuza kwangaphandle, futsi kuvuza kwangaphandle kuvame kutfolakala emabhokisini ekugcwalisa kanye nekuhlanganiswa kwe flange.
Tizatfu tekuvuza kwelibhokisi lekugcwalisa: luhlobo noma lizinga lekugcwalisa alihlangabetani netidzingo; lokugcwaliswako kuyaguga noma sicu se valve sesigcokile; indlala yekupakisha ikhululekile; indzawo lesetulu yesicu sevalve iyaklwebheka.
Tizatfu tekuvuza ekuxhumaneni kwe-flange: Intfo noma bukhulu be-gasket ayihlangabetani netidzingo; ikhwalithi yekucubungula lendzawo yekuvala ye-flange ayiphuyile; emabhawudi ekuhlanganisa akaciniswa kahle; kucushwa kwephayiphi akunangcondvo, futsi umtfwalo lowengetiwe lowendlulele uyakhicitwa ekuxhumaneni.
Tizatfu tekuvuza ngekhatsi kwe valve: Kuvuza lokubangelwa kuvalwa kwe valve ngendlela lengakacini kuvuza ngekhatsi, lokubangelwa kulimala kwendzawo yekuvala ye valve noma umsuka longakacini wendandatho yekuvala.
(1) Kugcola kuvame kugcola kwemtimba wevalve, ibhonethi, sicu sevalve, kanye nendzawo yekuvala ye-flange. Kugcola ikakhulukati ngenca yesento se medium, kanye nekukhishwa kwema ions kusuka ku fillers kanye ne gaskets.
(2) Imihuzuko: kucasuka kwendzawo noma kucabuka kwemhlabatsi lokwenteka uma lisango kanye nesihlalo sevalve kuhamba ngekuhlobana ngaphansi kwemfutfo lotsite wekutsintsana.
02. Kugcinwa kweIvalvu yesango
(1) Kulungiswa kwekuvuza kwangaphandle kwevalvi
Uma kucindzetelwa lokupakisha, emabhawudi endlala kumele alinganiswe kwentela kugwema kutsi lendlala ingagucuki bese ishiya igebe lekucindzeteleka. Ngesikhatsi kucindzetelwa lokupakisha, sicu sevalve kumele sijikeletwe kwenta lokupakisha lokutungelete sicu sevalve kufane, futsi kuvikeleke umfutfo kutsi ungacindzeteleki kakhulu, kwentela kutsi ungatsintsi kujikeleta kwesicu sevalve, kukhulise kugcoka ekupakisheni, futsi kufinyete imphilo yekusebenta. Indzawo lesetulu yesicu sevalve iyaklwebheka, lokwenta kutsi lendzawo lesemkhatsini ivute lula. Kufanele kucutshungulwe kucedza imihuzuko ebusweni besicu sevalve ngaphambi kusetjentiswe.
Kuba kuvuza at flange uxhumano, uma gasket ilimele, kufanele esikhundleni; uma ngabe tintfo te-gasket tingakhetsiwe kahle, kufanele kukhetfwe tintfo letingahlangabetana netidzingo tekusetjentiswa; uma lizinga lekucubungula lendzawo yekuvala ye-flange lingakalungi, kumele lisuswe bese lilungiswa. Lendzawo yekuvala ye-flange iyaphindze isetjentwe kuze kube ngulapho seyifanelekile.
Ngekwengeta, kucinisa kahle emabhawudi e-flange, kucushwa kahle kwemaphayiphi, kanye nekugwema umtfwalo lowengetiwe kakhulu lapho kuhlangana khona ema-flange konkhe kuvumelana nekuvikela kuvuza lapho kuhlangana khona ema-flange.
(2) Kulungiswa kwekuvuza kwevalvi ngekhatsi
Kulungiswa kwekuvuza kwangekhatsi kucedza kulimala kwendzawo yekuvala kanye nemphandze lekhululekile yendandatho yekuvala (uma indandatho yekuvala iciniswe epuletini le valve noma esihlalweni ngekucindzetela noma ngekufaka intfo). Uma lendzawo yekuvala icutshungulwa ngco emtimbeni wevalve kanye nepuleti levalve, kute inkinga yemphandze lekhululekile kanye nekuvuta.
Uma lendzawo yekuvala ilimele kakhulu futsi lendzawo yekuvala yakhiwe yindandatho yekuvala, lendandatho lendzala kumele isuswe bese kuniketwa indandatho lensha yekuvala; uma indzawo yekuvala icutshungulwa ngco emtimbeni wevalve, indzawo yekuvala lelimele kumele isuswe kucala. Susa, bese ugaya indandatho lensha yekuvala noma lendzawo lecubunguliwe ibe yindzawo lensha yekuvala. Uma imihuzuko, emabhubhu, kuchobosela, emagodzi kanye naletinye tintfo letingakalungi kulendzawo yekuvala tingaphansi kwa 0.05mm, tingasuswa ngekugaya.
Kuvuza kwenteka empandeni yendandatho yekuvala. Uma indandatho yekuvala ilungiswa ngekucindzetela, beka itheyiphu ye-tetrafluoroethylene noma pende lomhlophe locinile kuleivalvusitulo noma phansi kwemgodzi wendandatho yendandatho yekuvala, bese ucindetela indandatho yekuvala kugcwalisa umsuka wendandatho yekuvala; Uma indandatho yekuvala ifakwe imicu, itheyiphu ye PTFE noma pende lemhlophe lendze kumele ibekwe emkhatsini wetintfo kwentela kuvikela kutsi kungavuti lutfuli emkhatsini wetintfo.
(3) Kulungiswa kwekugcola kwevalve
Ngaphansi kwetimo letivamile, umtimba we valve kanye ne bonnet kugcola ngendlela lefanako, kantsi sicu se valve sivame kuba nemigodzi. Uma kulungiswa, imikhicito yekugcola kumele isuswe kucala. Kulesicu se valve lesinemigodzi lenemigodzi, kumele isetjentwe ku lathe kwentela kucedza kucindzeteleka, bese usebentisa sigcwalisi lesine agent lekhipha kancane, noma uhlante sigcwalisi ngemanti lahlungiwe kwentela kususa sigcwalisi lesiyingoti esicuni se valve. ema-ions laguculako.
(4) Kulungiswa kwemihuzuko endzaweni yekuvala .
Ngesikhatsi sekusebentisa le valve, zama kuvikela indzawo yekuvala kutsi ingaklwebheki, futsi i-torque akukafaneli ibe nkulu kakhulu uma uvala le valve. Uma indzawo yekuvala iklwebhekile, ingasuswa ngekugaya.
4. Kutfolakala kweIvalvu yesango
Esimeni semakethe samanje kanye netidzingo temsebentisi, insimbi .emavalvu esangokulandzisa incenye lenkhulu. Njengemhloli welizinga lemkhicito, ngetulu kwekutayela kuhlolwa kwelizinga lemkhicito, kumele futsi ube nekuvisisa lokuhle kwemkhicito wona.
01. Sisekelo sekutfola insimbi .Ivalvu yesango
Isimbiemavalvu esangotihlolwa ngekusebentisa lizinga lavelonkhe le-GB/T12232-2005 “Insimbi lefakwe emaflang .emavalvu esangoemavalvu jikelele”.
02. Tintfo tekuhlola tensimbi .Ivalvu yesango
Ikakhulu kufaka: timphawu, buncane belubondza, kuhlolwa kwekucindzeteleka, kuhlolwa kweligobolondvo, njll Emkhatsini wato, lubondza lwekucina, kucindzeteleka, kanye nekuhlolwa kweligobolondvo tintfo letidzingekako tekuhlola kanye netintfo letibalulekile. Uma kunetintfo letingakafaneleki, tingahlulelwa ngco njengemikhicito lengafaneleki .
Ngamafuphi, kuhlolwa kwelizinga lemkhicito kuyincenye lebaluleke kakhulu kuyo yonkhe kuhlolwa kwemkhicito, futsi kubaluleka kwako kuyatibonakalisa. Njengetisebenti tekuhlola letisemgceni wekucala, kumele sihlale sicinisa lizinga letfu, hhayi kuphela kwenta umsebenti lomuhle ekuhloleni umkhicito, kepha nekutsi Kuphela ngekuba nekuvisisa imikhicito lehloliwe singakhona kwenta umsebenti loncono wekuhlola.
Sikhatsi sekuposa: Mashi-31-2023
