Buka Isithombe Esikhulu
I-valve ingenye yezinsiza ezibalulekile ohlelweni lokulawula uketshezi.Njengamanje, izicelo eziyinhloko ze-valve zihlanganisa i-petroleum negesi, amandla, ubunjiniyela bamakhemikhali, ukuhlinzekwa kwamanzi kanye nokuhlanza indle, ukwenza iphepha kanye ne-metallurgy.Phakathi kwalokho, imboni kawoyela negesi, amandla kanye namakhemikhali kuwukusetshenziswa okubaluleke kakhulu kwevalvu.Ngokwesibikezelo esivela kuMcIlvaine, umbikezeli wemakethe, isidingo se-valve yezimboni sizofinyelela ku-dollar eyizigidi eziyizinkulungwane ezingu-100. Isidingo samandla emazweni asathuthuka yisona sici esiyinhloko sokukhuthaza imakethe yama-valve yezimboni ukuthuthukisa.Kulinganiselwa ukuthi kusukela ngo-2015 kuya ku-2017, izinga lokukhula kosayizi wemakethe yama-valve ezimbonini lizogcina licishe libe ngu-7%, liphakeme kakhulu kunezinga lokukhula komkhakha wamavalvu ezimboni womhlaba.
Ivalvu iyingxenye yokulawula yesistimu yokudlulisa uketshezi, enemisebenzi yokunqamula, ukulungisa, ukuphambukisa umfula, ukuvimbela i-countercurrent, ukuqina kwamandla kagesi, i-shunt noma ukuchichima kanye nokuwohloka.I-Valve ihlukaniswa nge-valve yokulawula yezimboni kanye ne-valve yomphakathi.I-valve yezimboni isetshenziselwa ukulawula ukuhamba kwemidiya, ingcindezi, izinga lokushisa, isiteshi samanzi kanye neminye imingcele yezobuchwepheshe.Ngokusekelwe kumazinga ahlukene, i-valve yezimboni ingahlukaniswa ngezinhlobo ezahlukene.Ezinhlotsheni zokulawula, i-valve ihlukaniswa ngokwezimiso, ukusika, ukulawulwa kanye nokunqunywa;ngokwezinto zokwakha ze-valve, i-valve ihlukaniswa ngokwensimbi, i-non-metal kanye ne-metal liner;ngokusekelwe ezindleleni zokushayela, i-valve yezimboni ihlukaniswa ngohlobo lukagesi, uhlobo lwe-pneumatic, uhlobo lwe-hydraulic kanye nohlobo lwebhukwana;ngokuya ngezinga lokushisa, i-valve ihlukaniswa nge-valve yokushisa ephansi, i-valve yokushisa ephansi, i-valve yokushisa evamile, i-valve yokushisa ephakathi nendawo yokushisa ephezulu kanye ne-valve ingahlukaniswa nge-vacuum valve, i-valve yokucindezela okuphansi, i-valve yokucindezela okuphakathi, i-valve yokucindezela okuphezulu kanye ne-ultra i-valve ephezulu yokucindezela.
Imboni yama-valve yaseShayina yasungulwa kusukela ngeminyaka yawo-1960.Ngaphambi kuka-1980, i-China yayingakwazi ukukhiqiza izigaba ezingaphezu kuka-600 kanye nobukhulu obuyi-2,700 bemikhiqizo yama-valve, ingenalo ikhono lokuklama i-valve enemingcele ephezulu kanye nokuqukethwe okuphezulu kobuchwepheshe.Ukuze kuhlangatshezwane nesidingo se-valve enemingcele ephezulu kanye nokuqukethwe okuphezulu kwezobuchwepheshe okubangelwa izimboni nezolimo eChina ezithuthuka kakhulu, kusukela ngawo-1980.I-China yaqala ukusebenzisa umcabango ohlanganisa ukuthuthukiswa okuzimele kanye nokwethulwa kobuchwepheshe ukuthuthukisa ubuchwepheshe be-valve.Amanye amabhizinisi ama-valve abalulekile athuthukisa ucwaningo nokuthuthukiswa kobuchwepheshe, akhuphule izinga eliphezulu lokungenisa ubuchwepheshe be-valve.Njengamanje, i-China isivele yakha i-valve yesango, i-valve yembulunga, i-throttle valve, i-valve yebhola, i-valve butterfly, i-diaphragm vale, i-valve yepulaki, i-valve yokuhlola, i-valve yokuphepha, i-valve yokunciphisa, i-valve yokukhipha i-valve nezinye, kuhlanganise nezigaba ezingu-12, ezingaphezu kuka-3,000. amamodeli kanye nobukhulu be-40,000.
Ngokusho kwe-statics ye-Valve World, isidingo semakethe yomhlaba wonke se-valve yezimboni siqukethe ukumba, ukuthutha kanye ne-petrifaction.Uwoyela negesi inengxenye ephezulu kakhulu, efinyelela ku-37.40%.Isidingo samandla nobunjiniyela bamakhemikhali siyalandela, ngokulandelana sibalwa u-21.30% kanye no-11.50% wesidingo semakethe yamavalvu ezimbonini zomhlaba.Isidingo semakethe kwezintathu zokuqala zesicelo singu-70.20% wesamba esifunekayo semakethe.E-China, ubunjiniyela bamakhemikhali, amandla kanye nowoyela negesi nakho kuyimakethe enkulu yokuthengisa yama-valve.Isidingo samavalvu ngokulandelana kwawo singu-25.70%, 20.10% kanye no-14.70% wesamba esifunekayo.Isidingo senani sibalelwa ku-60.50% wengqikithi yesidingo samavalvu.
Mayelana nesidingo semakethe, isidingo samavalvu endaweni yokonga amanzi kanye namandla kagesi, amandla enuzi kanye nemboni yegesi kawoyela sizogcina inkambiso eqinile esikhathini esizayo.
Emkhakheni wokongiwa kwamanzi kanye nokuphehlwa kukagesi ngamanzi, isu elikhishwe yiHhovisi Jikelele loMkhandlu Kazwelonke likhomba ukuthi ngo-2020, umthamo wamandla aphehlwa ngamanzi ajwayelekile kufanele afinyelele cishe kuma-kilowatts ayizigidi ezingama-350.Ukukhula kwamandla kagesi kuzodala isidingo esikhulu samavalvu.Ukukhula njalo kokutshalwa kwezimali kugesi ophehlwa ngamanzi kuzogqugquzela ukuchuma kumavalvu ezimboni.
Isikhathi sokuthumela: Feb-25-2022