Li-valve tse Laolang Khatello(li-PRV) ke likarolo tsa bohlokoa litoropongsehatsetsi sa mollolitsamaiso, li bapala karolo ea bohlokoa ho ntlafatseng khatello ea metsi ho netefatsa ts'ebetso e tšepahalang nakong ea maemo a tšohanyetso. Litsamaiso tsena, ho kenyeletsoa le li-hydrant tsa mollo le li-valve tsa hydrant tsa mollo, li rua molemo haholo tšebelisong ea li-PRV, kaha li thusa ho thibela tšenyo ea meralo ea motheo le ho fokotsa tšenyo ea metsi. Mohlala, ho fokotsa khatello ea metsi ka 60 psi ho ka fokotsa ho lutla ha selemo le selemo ho tloha ho lilithara tse limilione tse 189 ho isa ho lilithara tse limilione tse 80. Ho feta moo, li-valve tse thibelang khatello le li-valve tse laolang khatello li ntlafatsa matšoao a ts'ebetso ea tekheniki, li eketsa bokhoni ho tloha ho 79.81% ho isa ho 97.45%. Ka karolelano ea litšenyehelo tsa ho kenya tsa $500,000 le nako ea tefo ea lilemo tse 2-4 feela, li-PRV li fana ka tharollo e theko e tlaase bakeng sa masepala. Yuyao World Fire Fighting Equipment Factory e ikhethile ka ho fana ka li-valve tsa PRV tsa boleng bo holimo, li-valve tsa hydrant tsa mollo, le lisebelisoa tse ling tsa ho tima mollo tse etselitsoeng ho fihlela litlhoko tsa litoropo.

Lintlha tsa Bohlokoa

• Li-valve tsa PRV li emisa khatello e ngata haholo, ho boloka liphaephe li sireletsehile kotsing.
• Phallo e tsitsitseng ea metsi ho tsoa li-valve tsa PRVe thusa bo-ralitima-mollo ho fumana metsi kapele.
• Li-valve tsa PRV li fokotsa metsi a senyehileng, li a boloka bakeng sa litlhoko tsa toropo.
• Metse e sebelisa chelete e nyane ho lokisa 'me e etsa hore li-hydrant li tšoarelle nako e telele ka li-valve tsa PRV.
• Li-valve tsa PRV li thusa metse ho hola ka bohlale ka ho boloka metsi le ho sebelisa matla a fokolang.

Taolo e Ntlafalitsoeng ea Khatello ka Li-valve tsa PRV

Ho Thibela ho ba le Kgatelelo e Feteletseng

Ho hatelloa ho feteletseng marangrang a lipompo tsa mollo tsa litoropong ho ka lebisa liphellong tse mpe, ho kenyeletsoa ho phatloha ha liphaephe le tšenyo ea meralo ea motheo ea bohlokoa.Li-valve tsa PRV li bapala karolo ea bohlokoakarolo ea ho fokotsa likotsi tsena ka ho laola khatello ea metsi ka katleho. Ka ho boloka khatello ka har'a meeli e sireletsehileng, li-valve tsena li thibela ho phahama ha tšohanyetso ho ka behang botšepehi ba sistimi kotsing. Sena se netefatsa hore liphaephe le li-hydrant li tla tšoarella nako e telele, ho fokotsa monyetla oa litokiso tse turang kapa tse nkeloang sebaka.

Ho phaella moo, di-valve tsa PRV di ntlafatsa polokeho ya dibaka tse potileng. Kgatelelo e feteletseng e ka baka ho dutla kapa ho phatloha ho ka senyang ditsela le meaho e haufi. Ka ho laola maemo a kgatelelo, di-valve tsa PRV di sireletsa meralo ya motheo ya ditoropo mme di kenya letsoho tikolohong e bolokehileng bakeng sa baahi. Bokgoni ba tsona ba ho thibela kgatello e feteletseng bo di etsa karolo ya bohlokwa ya ditsamaiso tsa sejwalejwale tsa ho tima mollo.

Ho Boloka Phallo e Ntle ea Metsi

Ho boloka phallo ea metsi e tsitsitseng ho bohlokoa bakeng sa ts'ebetso e sebetsang hantle ea marangrang a lipompo tsa mollo.Li-valve tsa PRV li netefatsa hore metsi aKgatelelo e dula e tsitsitse, esita le nakong ya tlhokeho e kgolo kapa maemo a tshohanyetso. Botsitso bona bo dumella botima-mollo ho fumana phepelo e tshepahalang ya metsi ha ba arabela mollong, e leng se ntlafatsang bokgoni ba bona ba ho laola le ho tima malakabe kapele.

Phuputso e totobatsa katleho ea li-valve tsa PRV ho ntlafatseng phallo ea metsi. Lithuto li bontša hore ho beoa le ho lokisoa hantle ha li-valve tsena ho ka fokotsa ho feto-fetoha ha khatello ka 56.12% ha ho bapisoa le litsamaiso tse se nang li-PRV. Ntlafatso ena ha e ntlafatse feela ts'ebetso ea marang-rang empa hape e fokotsa tšenyo ea metsi. Ka ho boloka phallo e ntle ka ho fetisisa, li-valve tsa PRV li tšehetsa botsitso ba litsamaiso tsa metsi tsa litoropo ha li ntse li netefatsa hore li loketse maemo a tšohanyetso.

Fektheri ea Lefatše ea Lisebelisoa tsa ho Loantša Mollo ea Yuyao e fana ka li-valve tsa boleng bo holimo tsa PRV tse etselitsoeng ho fihlela litlhoko tsa marang-rang a lipompo tsa mollo tsa litoropong. Lihlahisoa tsa bona li fana ka taolo e tšepahalang ea khatello, e netefatsang polokeho le katleho ea meralo ea motheo ea ho loantša mollo.

Bokgoni bo Ntlafetseng ba ho Thibela Mollo ka Di-valve tsa PRV

Ho netefatsa Phepelo e Tsitsitseng ea Metsi

Phepelo e tsitsitseng ea metsi e bohlokoa bakeng samesebetsi e atlehang ea ho tima mollo, haholo-holo libakeng tsa litoropo. Li-valve tsa PRV li laola khatello ea metsi ho netefatsa phallo e tsitsitseng, esita le libakeng tse nang le tlhoko e feto-fetohang. Ho tšepahala hona ho lumella bo-ralitima-mollo ho tsepamisa maikutlo ho tima mollo ntle le ho tšoenyeha ka ho theoha ha tšohanyetso ha metsi a fumanehang. Ka ho boloka khatello ea ho ntša metsi pakeng tsa 70 le 90 psi, li-valve tsa PRV li hlōla tahlehelo ea khohlano liphaepheng, ho netefatsa hore metsi a fihla moo a eang teng ka matla a lekaneng. Bokhoni bona bo bohlokoa haholo mehahong e melelele, moo ho tsamaisoa ha metsi mekatong e ka holimo ho ka bang thata.

Bohlokoa ba li-valve tsa PRV bo ile ba totobala ka mor'a mollo oa One Meridian Plaza, o ileng oa totobatsa tlhoko ea taolo e tšepahalang ea khatello ho litima-mollo tse phahameng. Mananeo a koetliso, a kang a tsamaisoang ke DFD District #3, a hatisa karolo ea li-PRV ho fokotseng tieho ea ho fana ka metsi. Li-valve tsena li netefatsa hore bo-ralitima-mollo ba ka loantša kholo e potlakileng ea mollo ka katleho, esita le libakeng tse rarahaneng tsa litoropo.

Ho Tšehetsa Litlhoko tsa Khatello e Phahameng Nakong ea Maemo a Tšohanyetso

Maemo a tshohanyetso hangata a hloka hore ditsamaiso tsa metsi di sebetsane le keketseho e tshohanyetso ya tlhokeho. Di-valve tsa PRV di a ipabola maemong ana ka ho boloka maemo a tsitsitseng a kgatello, ho thibela ho jara boima ba sistimi. Botsitso bona bo netefatsa hore di-hydrant di fana ka metsi ka kgatello e hlokahalang, e leng se nolofalletsang bo-ralitima-mollo ho sebedisa diphaephe le disebediswa ka katleho. Ntle le di-valve tsa PRV, ho se leka-lekane ha kgatello ho ka sitisa boiteko ba ho tima mollo, haholoholo nakong ya diketsahalo tse kgolo.

Maano a ho tima mollo metseng a itshetlehile ka di-valve tsa PRV ho sebetsana le ditlhoko tse phahameng tsa kgatello maemong a thata. Mohlala, diteko tsa phallo Denver di bontshitse kamoo di-PRV di bolokang maemo a nepahetseng a kgatello, di netefatsa hore metsi a tla ka tsela e atlehang nakong ya maemo a tshohanyetso. Di-valve tsena di boetse di bapala karolo ya bohlokwa ho sireletseng meralo ya motheo ka ho thibela kgatello e feteletseng, e ka senyang diphaephe le ho sitisa mesebetsi ya ho tima mollo. Ka ho tshehetsa ditlhoko tse phahameng tsa kgatello, di-valve tsa PRVntlafatsa bokgoni ka kakaretsomarangrang a lipompo tsa mollo tsa litoropong.

Polokeho e Eketsehileng bakeng sa Meralo ea Motheo ea Metseng e Sebelisang Li-valve tsa PRV

Ho Fokotsa Kotsi ea ho phatloha ha liphaephe

Ho phatloha ha liphaephe marangrang a lipompo tsa mollo tsa litoropong ho ka baka tšenyo e kholo, ha sitisa phepelo ea metsi, 'me ha lebisa litokisong tse turang.Li-valve tsa PRV li bapala karolo ea bohlokoaho fokotsa kotsi ena ka ho laola khatello ea metsi ka har'a meeli e sireletsehileng. Khatello e feteletseng hangata e hatella liphaephe, haholo-holo lits'ebetsong tsa khale, e leng se etsang hore li be kotsing ea ho hloleha ka tšohanyetso. Ka ho boloka khatello e tsitsitseng, li-valve tsa PRV li thibela ho phahama hona ho kotsi, ho netefatsa botšepehi ba marang-rang ohle.

Bokhoni ba li-valve tsa PRV ba ho fokotsa ho phatloha ha liphaephe bo boetse bo fokotsa tšenyo ea metsi. Ho phatloha ho le leng feela ho ka ntša lilithara tse likete tsa metsi, ha felisa mehloli le ho eketsa litšenyehelo tsa ts'ebetso bakeng sa masepala. Ka li-valve tsa PRV tse sebetsang, litsamaiso tsa metsi tsa litoropo li sebetsa hantle haholoanyane, li boloka metsi le ho fokotsa menyetla ea litokiso tsa tšohanyetso. Mokhoa ona oa ho nka bohato ha o sireletse feela meralo ea motheo empa hape o tšehetsa nts'etsopele e tsitsitseng ea litoropo.

Ho Sireletsa Mehaho le Litsela tse Potolohileng

Khatello ea metsi e sa laoleheng e ka ba le phello ea ho ruruha, e bakang tšenyo e fetang marang-rang a lipompo tsa mollo. Ho phahama ha khatello e phahameng ho ka lebisa ho lutla kapa ho phatloha ho behang litsela tse haufi, litselana tsa maoto, esita le metheo ea meaho kotsing. Li-valve tsa PRV li sebetsa e le tšireletso, ho netefatsa hore ho feto-fetoha ha khatello ha ho atolose tšusumetso ea tsona meahong e potolohileng.

Libakeng tsa litoropo tse nang le baahi ba bangata, tšireletso ena e bohlokoa haholo. Litsela le meaho hangata li haufi le lipompo tsa mollo, e leng se etsang hore li be kotsing ea tšenyo e amanang le metsi. Li-valve tsa PRV li thusa ho boloka botsitso ba meaho ena ka ho thibela liphetoho tsa khatello ea tšohanyetso. Sena ha se fokotse litšenyehelo tsa tokiso feela empa se boetse se ntlafatsa polokeho ea sechaba ka ho fokotsa kotsi ea likotsi tse bakoang ke ho hloleha ha meralo ea motheo.

Fektheri ea Lefatše ea Lisebelisoa tsa ho Loantša Mollo ea Yuyao e fana ka li-valve tsa PRV tse etselitsoeng ho tobana le liphephetso tse ikhethang tsa tikoloho ea litoropo. Lihlahisoa tsa bona li netefatsa taolo e tšepahalang ea khatello,ho sireletsa litsamaiso tsa metsi a mollo ka bobelile meralo ea motheo e potolohileng.

Nako e Telele ea Bophelo ba Mechini ea Mollo e nang le Li-valve tsa PRV

Ho Fokotsa ho Tshabala le ho Hahola ha Liphaephe

Mekhoa ea lipompo tsa mollo tsa litoropong e tobana le ho feto-fetoha ha khatello khafetsa, e leng se ka lebisang ho senyeha le ho taboha ho hoholo ha liphaephe ha nako e ntse e ea.Valve ea PRVe bapala karolo ea bohlokoa ho fokotseng bothata bona ka ho boloka khatello e tsitsitseng ea metsi ho pholletsa le marang-rang. Ka ho thibela ho phahama ha khatello ka tšohanyetso, e fokotsa khatello ea mechine e hlahisoang liphaepheng, manonyeletsong le li-fittings. Sena ha se boloke feela botšepehi ba sebopeho sa sistimi empa hape se fokotsa kotsi ea ho lutla le ho hloleha.

Lithuto li bontšitse hore litsamaiso tse nang le Li-valve tsa PRV li na le tšenyo e tlase ea liphaephe ho fihlela ho 40% ha li bapisoa le tse se nang taolo ea khatello. Phokotso ena ea ho tsofala le ho taboha e bolela hore ho na le litokiso tse fokolang tsa tšohanyetso le meralo ea motheo ea ho tima mollo e tšepahalang haholoanyane. Ho phaella moo, tikoloho e laoloang ea khatello e entsoeng ke li-valve tsena e netefatsa hore liphaephe tsa khale, tse kotsing ea ho senyeha habonolo, li lula li sebetsa nako e telele.

Ho Fokotsa Litšenyehelo tsa Tlhokomelo

Ho kenngwa tshebetsong ha Di-valve tsa PRV ho fokotsa haholo ditjeo tsa tlhokomelo bakeng sa bomasepala. Ka ho fokotsa kgafetsa ha ho phatloha ha diphaephe le ho dutla ha metsi, di-valve tsena di fokotsa tlhoko ya ditokiso tse turang tsa tshohanyetso. Tlhokomelo e rerilweng e fetoha e ka lebellwang haholoanyane mme e sa hloke mehlodi e mengata haholo, e leng se dumellang bomasepala ho aba ditekanyetso tsa bona ka katleho.

Mohlala, toropo e kopanyang Li-valve tsa PRV marangrang a eona a lipompo tsa mollo e ka boloka likete tsa lidolara selemo le selemo litšenyehelong tsa tokiso. Poloko ena e bakoa ke tlhoko e fokotsehileng ea ho nkela liphaephe tse senyehileng sebaka le litšenyehelo tse fokotsehileng tsa basebetsi tse amanang le mehato ea tšohanyetso. Ho feta moo, nako e telele ea bophelo ba likarolo tsa sistimi e bolela hore bomasepala ba ka liehisa ntlafatso ea meralo ea motheo e meholo, ba ntlafatsa mehloli ea bona ea lichelete haholoanyane.

Ka ho tsetela ho li-valve tsa boleng bo holimo tsa PRV, tse kang tse fanoang ke Yuyao World Fire Fighting Equipment Factory, libaka tsa litoropo li ka fihlelapoloko ea litšenyehelo tsa nako e teleleha ba ntse ba netefatsa botshepehi ba ditsamaiso tsa bona tsa ho tima mollo.

Phokotso ea Litšenyehelo bakeng sa Metse e Khonngoeng ke Li-valve tsa PRV

Litšenyehelo tse Tlase tsa Tokiso le Phetolo

Hangata bomasepala ba tobana le litšenyehelo tse phahameng ka lebaka la litokiso tse etsoang khafetsa le ho nkeloa sebaka marangrang a lipompo tsa mollo tsa litoropong. Ho kenngoa tšebetsong ha Valve ea PRV ho fokotsa litšenyehelo tsena haholo ka ho fokotsa kotsi ea ho phatloha ha liphaephe le ho lutla ha metsi. Ka ho boloka khatello e tsitsitseng ea metsi, valve e thibela khatello e feteletseng liphaepheng, e leng sesosa se ka sehloohong sa ho hloleha ha meralo ea motheo. Mokhoa ona oa ho nka bohato o netefatsa hore sistimi e sebetsa hantle, e fokotsa tlhoko ea lits'ebetso tsa tšohanyetso.

Papiso ea lipalo-palo tsa tokiso le tsa ho nkela sebaka pele le ka mor'a ho kenngoa tšebetsong ha Valve ea PRV e totobatsa tšusumetso ea eona:

Metric	Pele ho Kenngwa Tshebetsong ha PRV	Kamora ho Kenngwa tshebetsong ha PRV
Ho Dutla ha Selemo le Selemo (lilithara tse milione)	189	80
Likhefu tsa Selemo le Selemo	65	32

Tafole e bonts'a phokotseho e kholo ea ho lutla ha metsi selemo le selemo le ho robeha ha liphaephe, e bonts'a bokhoni ba ho boloka litšenyehelo ba Li-valve tsa PRV. Liphokotso tsena li fetolela likolotong tse tlase tsa tokiso le litšitiso tse fokolang lits'ebeletsong tsa bohlokoa, e leng se lumellang masepala ho aba mehloli ka katleho e kholo.

Kabo e Ntlafetseng ea Lisebelisoa

Kabo e sebetsang hantle ea lisebelisoa e bohlokoa bakeng sa bomasepala ba laolang meralo ea motheo ea litoropo. Li-valve tsa PRV li kenya letsoho katlehong ena ka ho fokotsa makhetlo a mesebetsi ea tlhokomelo le tokiso. Ka maemo a tšohanyetso a fokolang a lokelang ho rarolloa, lihlopha tsa bomasepala li ka tsepamisa maikutlo ho rala nako e telele le ntlafatsong ea sistimi. Phetoho ena ha e ntlafatse feela katleho ea ts'ebetso empa hape e ntlafatsa ts'epo e akaretsang ea marang-rang a lipompo tsa mollo.

Theho boloka litšenyeheloho finyelloa ka ho fokotsa tlhokomelo ho nolofalletsa bomasepala ho tsetela libakeng tse ling tsa bohlokoa, tse kang ho atolosa marangrang a metsi a metsi kapa ho ntlafatsa lisebelisoa tse siiloeng ke nako. Ka ho ntlafatsa kabo ea mehloli, Li-valve tsa PRV li tšehetsa nts'etsopele e tsitsitseng ea litoropo le ho netefatsa hore litsamaiso tsa ho tima mollo li lula li itokiselitse maemo a tšohanyetso.

Feme ea Lisebelisoa tsa ho Loantša Mollo ea Lefatše ea Yuyao e fana kaLi-valve tsa PRV tsa boleng bo holimoe etselitsoe ho fihlela litlhoko tse ikhethang tsa tikoloho ea litoropo. Lihlahisoa tsa bona li thusa bomasepala ho boloka litšenyehelo tse ngata ha ka nako e ts'oanang ba boloka meralo ea motheo e tšepahalang ea ho tima mollo.

Paballo e Ntlafalitsoeng ea Metsi ka Li-valve tsa PRV

Ho Fokotsa Tšenyo ea Metsi a Tsoang ho Lutla

Tshenyo ya metsi e baka phephetso e kgolo marangrang a diphaephe tsa mollo tsa ditoropong. Taolo ya kgatello ka Valve ya PRV e bapala karolo ya bohlokwa ho rarolla bothata bona. Ka ho laola kgatello ya metsi, divalve tsena di fokotsa kgatello diphaepheng, di fokotsa kgonahalo ya ho dutla le ho phatloha. Maemo a tlase a kgatello a boetse a fokotsa sekgahla sa phallo ka hara mapetso kapa masoba a teng, e leng se fokotsang tahlehelo ya metsi ka katleho.

• Taolo ea khatello e ama sekhahla sa tahlehelo ea metsi ka kotloloho. Khatello e eketsehileng hangata e lebisa sekgahla se phahameng sa ho hloleha ha liphaephe, e leng se eketsang tšenyo ea metsi.
• Libaka tsa khatello tse entsoeng hantle li fokotsa ho dutla ha metsi, kaha ho dutla ha metsi ho fokotseha ka potlako ka khatello e tlase. Mokhoa ona o boetse o fella ka ho robeha ha liphaephe tse fokolang le litšenyehelo tse tlase tsa ho pompa metsi.

Ka ho kenya tshebetsongLi-valve tsa PRV, bomasepala ba ka fihlella paballo e kgolo ya metsi. Di-valve tsena ha di thibele feela tahlehelo ya metsi e sa hlokahaleng empa hape di ntlafatsa bokgoni ba ditsamaiso tsa metsi a ditoropong. Mohato ona wa pele o netefatsa hore mehlodi ya bohlokwa e bolokwa bakeng sa tshebediso ya nakong e tlang.

Ho Khothaletsa Ntlafatso e Tsitsitseng ea Litoropo

Nts'etsopele e tsitsitseng ea litoropo e itšetlehile ka tsamaiso e sebetsang hantle ea mehloli. Li-valve tsa PRV li kenya letsoho pakaneng ena ka ho ntlafatsa tšebeliso ea metsi marangrang a lipompo tsa mollo. Ho fokotseha ha ho lutla le maemo a khatello a laoloang ho netefatsa hore metsi a sebelisoa ka boikarabello, ho tšehetsa botsitso ba nako e telele ba libaka tsa litoropo.

Ntle le ho baballa metsi, Li-valve tsa PRV li fokotsa tšebeliso ea matla. Maemo a tlase a khatello a fokotsa mosebetsi oa lipompo, e leng se lebisang ho bolokeng matla a mangata. Phokotso ena ea tšebeliso ea matla e tsamaisana le boiteko ba lefats'e ba ho fokotsa metsamao ea khabone le ho loantša phetoho ea maemo a leholimo.

Metse e behang pele mekhoa e tsitsitseng e rua molemo ka ho kopanngoa ha Li-valve tsa PRV. Li-valve tsena ha li ntlafatse feela botšepehi bameralo ea motheo ea ho tima molloempa hape le ho kgothaletsa tlhokomelo ya tikoloho. Ka ho tsetela ho Di-valve tsa PRV tsa boleng bo hodimo, tse kang tse fanwang ke Yuyao World Fire Fighting Equipment Factory, metse e ka fihlella dipheo tsa yona tsa botsitso ha ka nako e le nngwe e netefatsa polokeho le bokgoni ba ditsamaiso tsa yona tsa metsi.

Ho Ikamahanya le Maemo a Kgolo ya Ditoropo ho Tshehetswang ke Di-valve tsa PRV

Ho Tšehetsa Marangrang a Atolosang a Metsi

Libaka tsa litoropo li na le kholo e tsoelang pele, e hlokang marangrang a lipompo tsa mollo ho atoloha le ho ikamahanya le litlhoko tse ncha.Li-valve tsa PRV li bapala karolo ea bohlokoaho tshehetsa katoloso ena ka ho netefatsa taolo e tsitsitseng ya kgatello ho pholletsa le marangrang a maholo. Ha metse e ntse e hola, ho rarahana ha ditsamaiso tsa hydrant ho a eketseha, e leng se etsang hore taolo e tshepahalang ya kgatello e be ya bohlokwa bakeng sa ho boloka bokgoni ba tshebetso.

Marangrang a sejoale-joale a litoropo a itšetlehile ka litsamaiso tse tsoetseng pele joalo ka SCADA (Taolo ea Tsamaiso le ho Fumana Lintlha) ho beha leihlo le ho laola litlhophiso tsa li-valve tsa PRV. Litsamaiso tsena li bokella le ho fetisa lintlha tsa nako ea sebele mabapi le boemo ba li-valve le maemo a khatello, e leng se nolofalletsang masepala ho sebetsana le ho feto-fetoha ha maemo kapele. Pokello e nepahetseng ea lintlha e netefatsa hore li-valve tsa PRV li boloka khatello e ntle, li thibela tšenyo ea meralo ea motheo le ho netefatsa hore metsi a tla ka mokhoa o tšepahalang nakong ea maemo a tšohanyetso. Lithuto tsa linyeoe li totobatsa bohlokoa ba ho hlahloba litlhophiso tsa PRV le ho batlisisa litaba tsa SCADA ho netefatsa hore ho kopanngoa ho se nang sekoli marangrang a ntseng a hola. Mokhoa ona o sebetsang o tšehetsa kholo ea litoropo ha o ntse o boloka botšepehi ba litsamaiso tsa ho tima mollo.

Ho Laola Tlhoko e Eketsehileng ea Metsi

Keketseho ea baahi le nts'etsopele ea litoropo li lebisa tlhokong e phahameng ea metsi, haholo-holo libakeng tse nang le baahi ba bangata.Li-valve tsa PRV li thusa ho laolaTlhoko ena e eketsehile ka ho boloka kgatello e sa kgaotseng ya noka e theohelang tlase, esita le ha maemo a noka e nyolohang a fetoha. Ho tsitsa hona ho netefatsa hore di-hydrater tsa mollo di fana ka metsi ka bokgabane, ho fokotsa kotsi ya kgaello nakong ya maemo a tshohanyetso.

Taolo ea khatello e boetse e fokotsa tšenyo ea metsi, e boloka mehloli le ho fokotsa litšenyehelo tsa ts'ebetso. Maemo a tlase a khatello a fokotsa sekhahla sa ho lutla ha metsi, e fokotsa tahlehelo ea metsi ea selemo le selemo ho tloha ho lilithara tse limilione tse 189 ho isa ho lilithara tse limilione tse 80. Phokotso ena ha e boloke metsi feela empa e boetse e atolosa nako ea bophelo ba liphaephe le li-hydrant ka ho fokotsa khatello ea meralo ea motheo. Li-valve tsa PRV li ntlafatsa tšebeliso ea metsi haholo ka ho fokotsa sekhahla sa phallo, e leng se fokotsang tšebeliso ka kakaretso le ho tšehetsa nts'etsopele e tsitsitseng ea litoropo.

Metse e rua molemo ka lebaka la ho boloka litšenyehelo tsa li-valve tsa PRV, haholo-holo libakeng tse batloang haholo joalo ka litereke tsa litoropo tse nang le litora tse telele. Ka nako ea puseletso ea lilemo tse peli ho isa ho tse 'ne, li-valve tsena li fana ka tharollo e sebetsang bakeng sa ho laola tlhoko ea metsi ha ka nako e ts'oanang li netefatsa meralo ea motheo ea ho tima mollo e tšepahalang.

Ho latela Maemo a Polokeho Ho Sebelisa Li-valve tsa PRV

Ho fihlela Litlhoko tsa Taolo

Marangrang a lipompo tsa mollo tsa litoropo a tlameha holatela polokeho e tiilengmaemo ho netefatsa ts'ebetso e tšepahalang nakong ea maemo a tšohanyetso. Li-valve tsa PRV li bapala karolo ea bohlokoa ho fihlelleng litlhoko tsena tsa taolo ka ho boloka khatello e tsitsitseng ea metsi le ho sireletsa meralo ea motheo. Litlhahlobo tsa khafetsa le mekhoa ea liteko li netefatsa hore li-valve tsena li sebetsa kamoo ho reriloeng kateng, li tlatsetsa polokehong e akaretsang ea litsamaiso tsa metsi tsa litoropo.

Maemo a indasteri a khothaletsa ho etsa tlhahlobo ea kotara ho netefatsa hore likhatello tsa ho kena le tsa ho tsoa li lumellana le litlhoko tsa ts'ebetso. Litlhahlobo tsena li boetse li tiisa hore li-valve li lula li le boemong bo nepahetseng bo bulehileng kapa bo koetsoeng, mabili a letsoho a ntse a le teng, 'me likhoele tsa hose li boemong bo botle. Teko ea selemo le selemo ea phallo e sa fellang e netefatsa hore setulo sa valve se tloha boemong bo koetsoeng, ha teko e felletseng ea phallo lilemo tse ling le tse ling tse hlano e hlahloba ts'ebetso eohle ea valve. Mekhoa ena e bontša ho tšepahala ha li-valve tsa PRV ho khomareleng melaoana ea polokeho le ho boloka botšepehi ba sistimi.

Ho Ntlafatsa Tšepo ea Sechaba ho Meralo ea Motheo

Tšepo ea sechaba meralong ea motheo ea litoropo e itšetlehile ka ts'ebetso e tsitsitseng ea litsamaiso tsa bohlokoa joalo ka marang-rang a lipompo tsa mollo. Li-valve tsa PRV li ntlafatsa ts'epo ena ka ho netefatsa hore khatello ea metsi e lula e tsitsitse, esita le nakong ea maemo a tšohanyetso. Bokhoni ba tsona ba ho thibela khatello e feteletseng le ho fokotsa tšenyo ea metsi bo tiisetsa baahi hore sistimi e sebetsa hantle ebile e tšoarella.

Ho latela melao ya polokeho ka ho hlaka ho matlafatsa tshepo ya setjhaba le ho feta. Ha bomasepala ba kenya tshebetsong melaoana ya tlhahlobo le tlhokomelo ya kamehla, ba bontsha boitlamo ba polokeho le botshepehi. Mokgwa ona wa ho nka bohato ha o fokotse feela kotsi ya ho hloleha ha tsamaiso empa hape o matlafatsa tshepo hara baahi le bankakarolo. Ka ho kopanya di-valve tsa PRV marangrang a di-hydrant tsa mollo, metse e ka boloka maemo a phahameng a polokeho ha ka nako e ts'oanang e matlafatsa tshepo ya setjhaba meralong ya yona ya motheo.

Tlhokomelo le Tlhokomelo ea Sistimi e Nolofalitsoeng ka Li-valve tsa PRV

Ho Nolofatsa Tlhokomelo ea Khatello ea Remote

Marangrang a sejoale-joale a lipompo tsa mollo tsa litoropong a hloka litsamaiso tse sebetsang tsa ho lekola ho netefatsa ts'ebetso e tsitsitseng. Valve ea PRV e nolofalletsa ho lekola khatello hole, e nolofalletsang masepala ho lekola maemo a khatello ea metsi ka nako ea sebele. Bokhoni bona bo fokotsa tlhoko ea tlhahlobo ea letsoho, ho boloka nako le lisebelisoa. Mahlale a tsoetseng pele, joalo ka litsamaiso tsa Taolo ea Tsamaiso le ho Fumana Lintlha (SCADA), a hokahana hantle le Livalve tsa PRV. Litsamaiso tsena li bokella le ho fetisa data, li lumella basebetsi ho lemoha ho feto-fetoha ha khatello kapa mathata a ka bang teng hang-hang.

Ho beha leihlo hole ho ntlafatsa botshepehi ba meralo ya motheo ya ho tima mollo. Basebedisi ba ka arabela ho diphoso pele di mpefala mme tsa fetoha mathata a maholo. Mohlala, ho theoha ka tshohanyetso ha kgatello ho ka nna ha bontsha ho dutla ha metsi, athe ho phahama ha metsi ho ka bontsha ho thibana ha metsi. Ho sebetsana le mathata ana kapele ho fokotsa ditshitiso mme ho netefatsa hore sistimi e dula e sebetsa nakong ya maemo a tshohanyetso. Ka ho sebedisa tlhokomelo hole, bomasepala ba ntlafatsa bokgoni ba sistimi le ho fokotsa kotsi ya ditokiso tse turang.

Ho nolofatsa Mekhoa ea Tlhokomelo

Li-valve tsa PRV li nolofatsa lits'ebetso tsa tlhokomelo ka ho fokotsa makhetlo a litokiso tsa tšohanyetso. Bokhoni ba tsona ba ho laola khatello bo fokotsa ho senyeha le ho taboha ha liphaephe, manonyeletso le likarolo tse ling. Mokhoa ona oa ho nka bohato o netefatsa hore mesebetsi ea tlhokomelo ea kamehla e ka boleloa esale pele haholoanyane 'me ha e hloke basebetsi ba bangata. Metse ea metseng e ka rera tlhahlobo le litokiso nakong ea lihora tse seng tsa tlhōrō, e leng se fokotsang litšitiso lits'ebeletsong tsa bohlokoa.

Ho phaella moo, tšehetso ea li-valve tsa PRVmaano a tlhokomelo a thehiloeng maemong. Basebelisi ba ka sebelisa data ho tsoa lits'ebetsong tsa tlhokomelo tse hole ho fumana hore na likarolo tse itseng li hloka tlhokomelo neng. Mokhoa ona o reretsoeng o felisa tlhokomelo e sa hlokahaleng, o ntlafatsa kabo ea mehloli. Mohlala, ho e-na le ho nkela karolo eohle ea liphaephe sebaka, litsebi li ka tsepamisa maikutlo libakeng tse bontšang matšoao a khatello ea maikutlo kapa ho senyeha. Bokhoni bona bo fokotsa litšenyehelo tsa ts'ebetso 'me bo atolosa bophelo ba marang-rang a lipompo tsa mollo.

Feme ea Lefatše ea Yuyao ea Lisebelisoa tsa ho Loantša Mollo e fana ka litlhahisoLi-valve tsa PRV tsa boleng bo holimoe etselitsoe ho ntlafatsa tlhokomelo ea sistimi le ho nolofatsa tlhokomelo. Lihlahisoa tsa bona li netefatsa taolo e tšepahalang ea khatello, li tšehetsa botsitso ba nako e telele ba meralo ea motheo ea ho tima mollo litoropong.

Tlatsetso ho Boitokisetso ba Maemo a Tšohanyetso ka Li-valve tsa PRV

Ho netefatsa hore ho ba le boitokisetso bakeng sa Mello e Meholo

Libaka tsa litoropo li tobane le likotsi tse kholo tse bakoang ke mello e meholo, haholo-holo libakeng tse nang le baahi ba bangata. Valve ea PRV e bapala karolo ea bohlokoakarolo ea bohlokoa ho netefatsenghore marangrang a lipompo tsa mollo a lula a sebetsa nakong ea maemo a tšohanyetso a joalo. Ka ho boloka khatello e tsitsitseng ea metsi, li-valve tsena li fa bo-ralitima-mollo phepelo e tšepahalang ea metsi, e ba nolofalletsang ho arabela ka katleho mollong o jalang ka potlako.

Bohlokoa ba di-valve boitokisetsong ba maemo a tshohanyetso bo ile ba totobala ka 2017 ha ho phatloha ho etsahala ka lebaka la valve e senyehileng kapa e koetsoeng ka tsela e sa lokelang. Ketsahalo ena e totobalitse tlhoko ea litsamaiso tse matla tsa taolo ea khatello ho thibela ho hloleha ho hoholo. Ho feta moo, litsamaiso tsa thuso ea maemo a tšohanyetso tse entsoeng ka ho sebelisa lisebelisoa tse tsoetseng pele, tse kang li-calorimeter tsa karabelo ea adiabatic, li etsisa maemo a ferekanyang ho itokisetsa mollo o moholo. Li-simulation tsena li thusa masepala ho ntlafatsa litlhophiso tsa Valve ea PRV, ho netefatsa hore o itokiselitse litlhoko tse phahameng tsa khatello nakong ea maemo a tšohanyetso.

Ho Tšehetsa Maiteko a Karabelo ea Likoluoa

Karabelo ea likoluoa ​​​​e hloka meralo ea motheo e ka ikamahanyang le maemo a tšohanyetso le a feteletseng.ntlafatsa boits'oaroea marangrang a lipompo tsa mollo ka ho thibela khatello e feteletseng le ho netefatsa phallo e tsitsitseng ea metsi. Tšepo ena e lumella lihlopha tsa maemo a tšohanyetso ho tsepamisa maikutlo boitekong ba ho thibela le ho hlaphoheloa ntle le ho tšoenyeha ka ho hloleha ha sistimi.

Nakong ea likoluoa, tse kang mollo oa indasteri kapa likoluoa ​​tsa tlhaho, Li-valve tsa PRV li sireletsa meralo ea motheo ea bohlokoa ka ho laola ho phahama ha khatello. Tšireletso ena e fokotsa kotsi ea ho phatloha ha liphaephe, e ka sitisang phepelo ea metsi le ho sitisa ts'ebetso ea ho tima mollo. Ho feta moo, bokhoni ba ho boloka maemo a khatello a nepahetseng bo netefatsa hore metsi a fihla esita le libakeng tse hole haholo kapa tse phahameng, a tšehetsa maano a felletseng a karabelo ea likoluoa.

Ka ho kopanya Li-valve tsa PRV marangrang a lipompo tsa mollo tsa litoropo, bomasepala ba matlafatsa boitokisetso ba bona ba maemo a tšohanyetso le ho ntlafatsa bokhoni ba bona ba ho arabela liketsahalong tse kholo ka katleho.

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Li-valve tsa PRV li sebetsa e le lejoe la motheo bakeng sa marangrang a lipompo tsa mollo tsa litoropo, ho netefatsa polokeho, katleho le katleho ea litšenyehelo. Bokhoni ba tsona ba ho laola khatello ea metsi bo ntlafatsa ts'epo ea litsamaiso tsa ho tima mollo, bo fokotsa likotsi tsa meralo ea motheo le ho boloka mehloli. Metse e tsetelang li-valve tsena e rua molemo ka ho boloka nako e telele le ho ntlafatsa boitokisetso ba maemo a tšohanyetso.

Fektheri ea Lefatše ea Yuyao ea Lisebelisoa tsa ho Loantša Mollo e fana ka li-valve tsa boleng bo holimo tsa PRV tse etselitsoeng ho fihlela litlhoko tse ikhethang tsa tikoloho ea litoropo. Lihlahisoa tsa bona li tšehetsa nts'etsopele e tsitsitseng ea litoropo ha ka nako e ts'oanang li boloka botsitso ba meralo ea motheo ea bohlokoa.

LBH

Mosebetsi oa mantlha oa valve ea PRV marangrang a lipompo tsa metsi a mollo ke ofe?

Valve ea PRV e laola khatello ea metsi ho thibela khatello e feteletseng. E netefatsa phallo e tsitsitseng ea metsi, e sireletsa meralo ea motheo, 'me e ntlafatsa katleho ea litsamaiso tsa ho tima mollo. Sena se etsa hore e be karolo ea bohlokoa ea marang-rang a lipompo tsa mollo tsa litoropong.

Li-valve tsa PRV li kenya letsoho joang paballong ea metsi?

Li-valve tsa PRV li fokotsa tšenyo ea metsi ka ho fokotsa ho lutla le ho phatloha ho bakoang ke khatello e feteletseng. Li boetse li fokotsa sekhahla sa phallo ka har'a mapetso a teng, li boloka mehloli ea metsi le ho tšehetsa nts'etsopele e tsitsitseng ea litoropo.

Na li-valve tsa PRV li ka sebetsana le litlhoko tse phahameng tsa khatello nakong ea maemo a tšohanyetso?

E, di-valve tsa PRV di boloka maemo a tsitsitseng a kgatello esita le nakong ya keketseho ya tshohanyetso ya tlhokeho. Sena se netefatsa hore di-hydrant di fana ka metsi ka kgatello e hlokahalang, e leng se nolofalletsang bo-ralitima-mollo ho sebetsa ka katleho maemong a tshohanyetso a maholo.

Li-valve tsa PRV li fokotsa litšenyehelo tsa tlhokomelo bakeng sa masepala joang?

Li-valve tsa PRV li thibela ho phatloha ha liphaephe le ho lutla ha metsi ka ho laola khatello. Sena se fokotsa makhetlo a litokiso tsa tšohanyetso 'me se eketsa nako ea bophelo ba meralo ea motheo, se fokotsa litšenyehelo tsa tlhokomelo ka kakaretso bakeng sa masepala.

Na li-valve tsa PRV li loketse ho atolosa marangrang a li-hydrant tsa litoropo?

Li-valve tsa PRV li ikamahanya hantle le marangrang a ntseng a hola ka ho netefatsa taolo e tsitsitseng ea khatello. Li hokahana le litsamaiso tse tsoetseng pele tsa tlhokomelo joalo ka SCADA, e leng se nolofalletsang bomasepala ho boloka ts'ebetso e ntle ha libaka tsa litoropo li ntse li hola.