Ukubuka konke
Ivalvu yokulawula iyisici sokulawula ohlelweni lokudlulisa uketshezi, olunemisebenzi yokunqamula, ukulawula, ukuphambukisa, ukuvimbela ukugeleza emuva, ukuzinza kwamandla kagesi, ukuphambukisa noma ukugcwala kanye nokunciphisa ingcindezi. Amavalvu okulawula ezimbonini asetshenziswa kakhulu ekulawuleni inqubo emishinini yezimboni futhi angaphansi kwezimboni zezinsimbi, izinsimbi kanye nezokuzenzakalela.
1. I-valve yokulawula ifana nengalo yerobhothi enqubweni yokwenza ukuzenzekela kwezimboni, futhi iyinto yokugcina yokulawula yokushintsha amapharamitha enqubo njengokugeleza okuphakathi, ingcindezi, izinga lokushisa, kanye nezinga loketshezi. Ngenxa yokuthi isetshenziswa njenge-terminal actuator ohlelweni lokulawula inqubo yokwenza ukuzenzekela kwezimboni, i-valve yokulawula, eyaziwa nangokuthi "i-actuator", ingenye yamadivayisi ayinhloko okukhiqiza okuhlakaniphile.
2. I-valve yokulawula iyisici esiyinhloko esiyisisekelo sokwenza izinto ngokuzenzakalela kwezimboni. Izinga layo lokuthuthukiswa kobuchwepheshe libonisa ngqo amandla okukhiqiza imishini eyisisekelo yezwe kanye nezinga lesimanje lezimboni. Kuyisimo esidingekayo embonini eyisisekelo kanye nezimboni zayo zokusetshenziswa ezingezansi ukuze kufezwe ubuhlakani, ukuxhumana kanye nokwenza izinto ngokuzenzakalela. Ama-valve okulawula ngokuvamile akhiwa ama-actuator nama-valve, angahlukaniswa ngokuya ngomsebenzi, izici zokushaya, amandla asetshenziswa yi-actuator ehlonyisiwe, ububanzi bokucindezela, kanye nobubanzi bokushisa.
Uchungechunge lwezimboni
Ingxenye ephezulu yemboni yamavalvu okulawula ikakhulukazi insimbi, imikhiqizo kagesi, izinto ezahlukahlukene zokubumba, izinto zokubopha, izikhonkwane nezinye izinto zokusetshenziswa zezimboni. Kunenani elikhulu lamabhizinisi akhuphukayo, ukuncintisana okwanele kanye nokuhlinzekwa okwanele, okunikeza isimo esihle esiyisisekelo sokukhiqizwa kwamabhizinisi amavalvu okulawula; Uhlu olubanzi lwezicelo ezingezansi, kufaka phakathi uphethiloli, uphethiloli, amakhemikhali, iphepha, ukuvikelwa kwemvelo, amandla, izimayini, insimbi, imithi kanye nezinye izimboni.
Ngokombono wokwabiwa kwezindleko zokukhiqiza:
Izinto zokusetshenziswa ezifana nensimbi, imikhiqizo kagesi kanye nezinto ezibunjiwe zingaphezu kuka-80%, kanti izindleko zokukhiqiza zicishe zibe ngu-5%.
Insimu enkulu kunazo zonke yokufaka ama-valve okulawula e-China yimboni yamakhemikhali, ebanga ngaphezu kuka-45%, ilandelwe yizimboni zikawoyela negesi kanye namandla, ebanga ngaphezu kuka-15%.
Ngokuthuthuka kobuchwepheshe bokulawula izimboni eminyakeni yamuva nje, ukusetshenziswa kwama-valve okulawula ekwenzeni amaphepha, ukuvikelwa kwemvelo, ukudla, imithi kanye neminye imikhakha nakho kuyathuthuka ngokushesha nangokushesha.
Usayizi wemboni
Intuthuko yezimboni yaseShayina iyaqhubeka nokuthuthuka, kanti izinga lokuzenzakalela kwezimboni liyaqhubeka nokuthuthuka. Ngo-2021, inani elengeziwe lezimboni laseShayina lizofinyelela ku-37.26 trillion yuan, ngesilinganiso sokukhula esingu-19.1%. Njengengxenye yokulawula yokugcina yesistimu yokulawula izimboni, ukusetshenziswa kwevalvu yokulawula izimboni ohlelweni lokulawula izimboni kuthuthukisa ngempumelelo ukuzinza, ukunemba kanye nokwenzakalela kwesistimu yokulawula. Ngokusho kwedatha ye-Shanghai Instrument Industry Association: ngo-2021, inani lamabhizinisi ohlelo lokulawula ukuzekalela kwezimboni eShayina lizoqhubeka nokukhula lifinyelele ku-1,868, ngenzuzo engu-368.54 billion yuan, ukwanda konyaka nonyaka okungu-30.2%. Eminyakeni yamuva nje, umkhiqizo wamavalvu okulawula izimboni eShayina ukhuphuke unyaka nonyaka, kusukela kumasethi ayizigidi ezingu-9.02 ngo-2015 kuya kumasethi angaba yizigidi ezingu-17.5 ngo-2021, ngesilinganiso sokukhula sonyaka esihlanganisiwe esingu-6.6%. IShayina isibe ngomunye wabakhiqizi abakhulu emhlabeni bamavalvu okulawula izimboni.
Isidingo sama-valve okulawula izimboni ezimbonini ezingezansi komfula ezifana namakhemikhali, uwoyela negesi siyaqhubeka nokukhula, ikakhulukazi okuhlanganisa izici ezine: amaphrojekthi amasha okutshalwa kwezimali, ukuguqulwa kobuchwepheshe kwamaphrojekthi akhona, ukushintshwa kwezingxenye ezisele, kanye nezinsizakalo zokuhlola nokulungisa. Eminyakeni yamuva nje, izwe lilungise isakhiwo sezimboni futhi laguqula umnotho. Indlela yokukhula kanye nokukhuthazwa okunamandla kwezindlela zokonga amandla kanye nokunciphisa ukukhishwa komoya kunomthelela osobala ovuselelayo ekutshalweni kwezimali kwephrojekthi kanye nezidingo zokuguqulwa kobuchwepheshe zezimboni ezingezansi komfula. Ngaphezu kwalokho, ukuvuselelwa okuvamile kanye nokufakwa esikhundleni kwemishini kanye nezinsizakalo zokuhlola nokulungisa nakho kulethe isidingo esizinzile sokuthuthukiswa kwemboni. Ngo-2021, isikali semakethe yama-valve okulawula izimboni yaseShayina sizoba cishe yi-yuan eyizigidigidi ezingama-39.26, ukwanda konyaka nonyaka okungaphezu kuka-18%. Imboni inenzuzo ephezulu kanye nenzuzo enamandla.
Iphethini yebhizinisi
Umncintiswano wemakethe ye-valve yokulawula izimboni yezwe lami ungahlukaniswa amazinga amathathu,
Emakethe esezingeni eliphansi, imikhiqizo yasekhaya ikwazile ukuhlangabezana ngokugcwele nesidingo semakethe, ukuncintisana kukhulu, futhi ukufana kukhulu;
Emakethe ephakathi nendawo, amabhizinisi asekhaya anezinga eliphezulu lobuchwepheshe elimelelwe yi-I-Tianjin Tanggu Water-seal ValveI-Co.,Ltdukuthatha ingxenye yesabelo semakethe;
Emakethe esezingeni eliphezulu: izinga lokungena kwemikhiqizo yasekhaya liphansi kakhulu, okuvame ukuhlalwa yimikhiqizo yakwamanye amazwe yokuqala kanye nemikhiqizo yobungcweti.
Njengamanje, bonke abakhiqizi bama-valve okulawula asekhaya bathole isitifiketi sekhwalithi yesistimu ye-ISO9001 kanye nelayisensi yokukhiqiza ye-TSG yemishini ekhethekile (ipayipi lokucindezela), kanti abanye abakhiqizi baphumelele isitifiketi se-API ne-CE, futhi bangahambisana nezindinganiso ze-ANSI, API, BS, JIS kanye nezinye. Ukuklama nokukhiqiza imikhiqizo.
Imakethe enkulu yama-valve okulawula ezweni lami idonsele imikhiqizo eminingi yakwamanye amazwe ukuthi ingene emakethe yasekhaya. Ngenxa yamandla amakhulu ezezimali, ukutshalwa kwezimali okukhulu kwezobuchwepheshe kanye nokuhlangenwe nakho okucebile, imikhiqizo yakwamanye amazwe isesikhundleni esiphambili emakethe yama-valve okulawula, ikakhulukazi imakethe yama-valve okulawula ephezulu.
Njengamanje, kunenani elikhulu labakhiqizi bama-valve okulawula asekhaya, ngokuvamile amancane ngosayizi futhi aphansi ekugxilweni kwezimboni, futhi kukhona igebe elicacile nabancintisani bangaphandle. Ngokuthuthuka kobuchwepheshe bama-valve okulawula amabhizinisi asekhaya, umkhuba wokufaka imikhiqizo yekhwalithi ephezulu kwamanye amazwe awunakuguqulwa.
Dukuthambekela kwentuthuko
I-valve yokulawula izimboni yezwe lami inezindlela ezintathu zokuthuthukiswa ezilandelayo:
1. Ukuthembeka komkhiqizo kanye nokunemba kokulungiswa kuzothuthukiswa
2. Izinga lokufakwa kwendawo lizokhula, futhi ukushintshwa kwempahla engenayo kuzosheshiswa, futhi ukuhlushwa kwezimboni kuzokwanda
3. Ubuchwepheshe bemboni buvame ukuba obujwayelekile, obunezimo eziguquguqukayo, obuhlakaniphile, obuhlanganisiwe kanye nobuxhumene
Isikhathi sokuthunyelwe: Julayi-07-2022
