Sheba Setšoantšo se Seholoanyane
Valve ke e 'ngoe ea lisebelisoa tsa bohlokoa tsamaisong ea ho laola metsi.Hajoale, lits'ebetso tse kholo tsa valve li kenyelletsa peterole le khase, matla, boenjiniere ba lik'hemik'hale, phepelo ea metsi le likhoerekhoere, ho etsa pampiri le metallurgy.Har'a moo, indasteri ea oli le khase, matla le lik'hemik'hale ke lisebelisoa tsa bohlokoa ka ho fetisisa tsa valve.Ho ea ka se boletsoeng esale pele ho tsoa ho McIlvaine, setsebi sa 'maraka, tlhokahalo ea valve ea indasteri e tla fihla ho liranta tse limilione tse likete tse 100. Tlhokahalo ea matla linaheng tse tsoelang pele ke eona ntho e ka sehloohong ea ho khothalletsa 'maraka oa li-valve tsa indasteri hore o ntlafatse.Ho hakanngoa hore ho tloha ka 2015 ho isa ho 2017, sekhahla sa kholo ea 'maraka oa li-valve tsa indasteri se tla lula se le ka 7%, se phahameng haholo ho feta sekhahla sa kholo ea indasteri ea li-valve tsa indasteri ea lefatše.
Valve ke karolo ea taolo bakeng sa sistimi ea phetisetso ea mokelikeli, e nang le mesebetsi ea ho khaola, ho lokisa, ho kheloha ha noka, thibelo ea li-countercurrent, ho tsitsisa ha motlakase, shunt kapa overflow le decompression.Valve e arotsoe ka valve ea taolo ea indasteri le valve ea sechaba.Li-valve tsa indasteri li sebelisetsoa ho laola phallo ea mecha ea litaba, khatello, mocheso, seteishene sa metsi le lisebelisoa tse ling tsa tekheniki.Ho ipapisitsoe le litekanyetso tse fapaneng, valve ea indasteri e ka aroloa ka mefuta e fapaneng.Bakeng sa mefuta ea taolo, valve e arotsoe ka taolo, ho khaola, taolo le ho khaola;ho ea ka thepa ea valve, valve e arotsoe ka tšepe, e seng ea tšepe le ea tšepe;ho itšetlehile ka mekhoa ea ho khanna, valve ea indasteri e arotsoe ka mofuta oa motlakase, mofuta oa pneumatic, mofuta oa hydraulic le mofuta oa matsoho;Ho ipapisitsoe le mocheso, valve e arotsoe ka valve ea mocheso oa mocheso o tlase, mocheso o tlase oa mocheso, valve ea mocheso o tloaelehileng, valve ea mocheso o bohareng le mocheso o phahameng oa mocheso 'me valve e ka aroloa ka vacuum valve, valve ea khatello e tlaase, valve ea khatello e bohareng, valve ea khatello e phahameng le ea ultra. valve ea khatello e phahameng.
Indasteri ea li-valve tsa China e qalile ho tloha lilemong tsa bo-1960.Pele ho 1980, China e ne e ka etsa feela mekhahlelo e fetang 600 le litekanyo tse 2,700 tsa lihlahisoa tsa li-valve, e se nang bokhoni ba ho rala li-valve tse nang le liparamente tse phahameng le litaba tse phahameng tsa tekheniki.Ho fihlela tlhoko ea li-valve tse nang le maemo a holimo le litaba tse phahameng tsa tekheniki tse bakoang ke indasteri le temo China e ntseng e tsoela pele haholo ho tloha ka bo-1980.China e ile ea qala ho sebelisa mohopolo o kopanyang nts'etsopele e ikemetseng le kenyelletso ea theknoloji ho nts'etsapele mahlale a valve.Likhoebo tse ling tsa bohlokoa tsa li-valve li ntlafatsa lipatlisiso le nts'etsopele ea theknoloji, li phahamisa leqhubu le phahameng la theknoloji ea li-valve tsa kantle ho naha.Hajoale, China e se e ntse e etsa belofo ea heke, valve ea lefats'e, valve ea throttle, valve ea bolo, valve ea serurubele, diaphragm vale, valve ea plug, valve ea ho hlahloba, valve ea polokeho, valve e fokotsang, valve ea drain le li-valve tse ling, ho kenyelletsa le likarolo tse 12, tse fetang 3,000. mehlala le litekanyo tse 40,000.
Ho latela li-statics tsa Valve World, tlhoko ea 'maraka ea lefats'e ea li-valve tsa indasteri e na le ho cheka, lipalangoang le petrifaction.Oli le khase li na le karolo e phahameng ka ho fetisisa, e fihlang ho 37.40%.Tlhokahalo ea boenjiniere ba matla le lik'hemik'hale ea latela, ka ho latellana e ikarabellang bakeng sa 21.30% le 11.50% ea tlhoko ea 'maraka oa li-valve tsa indasteri lefatšeng ka bophara.Tlhokahalo ea 'maraka lits'ebetsong tse tharo tsa pele tsa kopo e etsa 70.20% ea kakaretso ea tlhoko ea' maraka.Chaena, boenjiniere ba lik'hemik'hale, matla le oli le khase le tsona ke 'maraka o ka sehloohong oa thekiso ea li-valve.Tlhokahalo ea valve ka ho latellana e etsa 25.70%, 20.10% le 14.70% ea tlhoko eohle.Tlhokahalo ea chelete e etsa 60.50% ea tlhoko ea li-valve kaofela.
Mabapi le tlhokeho ea 'maraka, tlhokahalo ea valve sebakeng sa polokelo ea metsi le motlakase oa metsi, matla a nyutlelie le indasteri ea khase ea oli e tla boloka mokhoa o matla nakong e tlang.
Mabapi le ho baballa metsi le matla a fehloang ka metsi, leano le fanoeng ke Ofisi e Akaretsang ea Lekhotla la Naha le supa hore ka 2020, matla a motlakase o fehloang ka metsi a tloaelehileng a lokela ho fihla ho li-kilowatts tse limilione tse 350.Ho hola ha motlakase o fehloang ka metsi ho tla baka tlhoko e kholo ea li-valve.Keketseho e sa khaotseng ea matsete a matla a fehloang ka metsi e tla khothaletsa nala ea li-valve tsa indasteri.
Nako ea poso: Feb-25-2022