Senotlolo sa ho laola khetho ea li-valve ke ho lekola litšobotsi tse matla
Marang-rang a phepelo ea metsi a aba metsi a pompo ho tloha mesebetsing ea metsi ho malapa a likete, kahoo marang-rang a phepelo ea metsi a ajoa likhutlong tsohle tsa toropo, 'me bolelele ba eona e ka ba lik'hilomithara tse makholo kapa esita le lik'hilomithara tse likete.
Ho se nkeloe sebaka ha metsi le tlhokahalo ea ho phela ha batho li bontša bohlokoa ba ts'ebetso e bolokehileng ea marang-rang a phepelo ea metsi. Leha ho le joalo, ka lebaka la mabaka a ikemetseng le a sepheo, liphaephe hangata li na le liphoso, marang-rang a liphaephe a hloka ho ntlafatsoa khafetsa, 'me basebelisi ba metsi hangata ba tlameha ho eketseha kapa ho fokotseha, ka hona ho thata ho etsa hore karolo ea lipeipi tsa lehae e khaotsoe. qoba. E le ho fokotsa sebaka sa ho thibela metsi, ho hlokahala ho kenya valve ea ho laola hantle marang-rang a liphaephe. Ka hona, marang-rang a phepelo ea metsi a toropo, ho na le li-valve tse likete, tse ajoang ka mokhoa o sa reroang tlas'a literata tsa toropo.
Ts'ebetso ea valve ea marang-rang ea phepelo ea metsi ha e tloaelehe, ho ema nako e telele, hang ha ho hlokahala, valve e lokela ho khona ho koala ka potlako, ho thibela ho ts'epahala; Hangata valve e lokela ho buloa sebakeng sa ho fokotsa tahlehelo ea hlooho ea karolo ea liphaephe, kahoo valve ke mofuta oa thepa ea ho laola "e bolokang masole ka matsatsi a sekete le ho sebelisa masole ka nakoana"; Sekhahla sa botšepehi ba li-valve, se amanang le khetho ea li-valve, tlhahiso ea li-valve, moralo oa liphaephe, kopano ea valve, ho bula le ho koala le tsamaiso ea li-valve, ehlile, lebaka le ka sehloohong ke boleng ba valve.
Li-valve marang-rang a phepelo ea metsi ka bongata, kabo e pharaletseng, karolo e kholo. Ka hona, ho na le mathata a mangata tabeng ea khetho ea li-valve, tlhahlobo, ts'ebetso le tsamaiso.
Ntlha ea pele, khetho ea valve
Belofo e na le belofo ea serurubele, belofo ea heke, belofo ea bolo le belofo ea plug joalo-joalo mefuta e mengata, marang-rang a phepelo ea metsi a sebelisa mefuta e fapaneng. E le ho fokotsa botebo ba sekoahelo sa mobu, valve ea serurubele ke khetho bakeng sa liphaephe tse nang le bophara bo boholo. Bakeng sa ba nang le tšusumetso e fokolang botebong ba mobu, leka ho khetha valve ea heke; Ho thata ho etsa li-valve tsa bolo le li-valve tsa plug, theko e theko e boima, ka kakaretso e loketse lipeipi tse nyane le tse mahareng tsa caliber. Lilemong tsa morao tjena, ka lebaka la ntlafatso ea theknoloji ea ho lahla, mokhoa oa ho lahla lehlabathe la resin o ka qoba kapa oa fokotsa ts'ebetso ea mechine, kahoo o fokotsa litšenyehelo, kahoo ho khoneha ha valve ea bolo bakeng sa pipeline e kholo ea bophara e lokela ho hlahlojoa. Ha e le moeli oa moeli oa boholo ba boholo, setereke ka seng se lokela ho nahana ka ho arola ho latela maemo a itseng.
Bothata bo ka sehloohong ba valve ea serurubele ke hore poleiti ea serurubele e na le karolo e itseng ea sefapano sa metsi, e eketsa tahlehelo e itseng ea hlooho; Le hoja valve ea heke e se na bothata bo joalo, bophahamo ba valve ea heke e otlolohileng ea caliber e kholo e ama botebo ba mobu oa pipeline, 'me bolelele ba vallou ea heke e tšekaletseng ea boholo bo boholo bo eketsa sebaka se otlolohileng se lutseng ke phaephe, e amang tokisetso ea liphaephe tse ling. Li-valve tsa bolo le plug valve li boloka valve ea heke e le 'ngoe, khanyetso e nyane ea phallo, tiiso e tšepahalang, ketso e feto-fetohang, ts'ebetso e bonolo le tlhokomelo. Sephahla sa plug le sona se na le molemo o tšoanang, empa karolo ea sefapano sa metsi ha e chitja.
Lilemong tsa morao tjena, bahlahisi ba bangata ba li-valve tsa malapeng ba thehile li-valve tse bonolo tsa liheke. Ha ho bapisoa le li-valve tsa khale tsa Qieer kapa li-valve tse peli tse tšoanang tsa heke, li-valve tsena tsa heke li na le litšobotsi tse latelang:
1. Sekoaelo sa li-valve tsa liheke tse bonolo, sekoaelo sa li-valve se sebelisa ho lahla ka mokhoa o nepahetseng, ho bōptjoa, ha ho sa sebetsa ka mechine, ha se sebelise lesale la koporo le tiisitsoeng, ho boloka litšepe tse se nang ferrous;
2. Belofo e bonolo ea heke ha e na likoting, ha ho pokello ea masala, ho buloa ha valve ea heke le sekhahla sa ho hloleha ho koala se tlase;
3. Soft e tiisang rabara lesela valve poleiti boholo junifomo, matla chenchana.
Ka hona, valve e bonolo ea heke e tla ba tataiso ea nts'etsopele ea valve ea heke, empa hape indasteri ea phepelo ea metsi e ikemiselitse ho sebelisa valve. Ha u bula le ho koala valve e bonolo ea heke, u se ke ua koala e shoele haholo, hafeela phello ea ho tiisa e ka finyelloa, ho seng joalo ha ho bonolo ho bula kapa ho kenya peel.
Bongata ba li-valve tsa serurubele tse sebelisoang indastering ea phepelo ea metsi ke li-valve tsa serurubele se tiileng. Bakeng sa valve ea serurubele, lesale la rabara le bonolo ho senyeha ha ho kenngoa, 'me thepa ea ho tiisa e ameha. Baetsi ba bangata ba hlahisitse li-valve tsa serurubele sa tšepe ho e-na le li-valve tsa serurubele sa rabara. Metal seal butterfly valve, hobane elasticity ea tiiso e nyane, tšebeliso e akaretsang ea sebopeho sa eccentric, haholo-holo ka sebopeho sa eccentric se nang le likarolo tse tharo se utloahala.
Ea bobeli, ts'ebetso ea valve le tlhahlobo
Ntho e ikhethang ea valve e hloka boleng ba eona bo ka tšeptjoang le ts'ebetso e babatsehang. Ha ho hlahlojoa ts'ebetso ea valve le tlhahlobo ea ts'ebetso, lintlha tse latelang li lokela ho hlokomeloa:
1. Sephahla se bonolo ebile se bonolo ho bula le ho koala tlas'a khatello ea metsi a sebetsang. Motlakase oa ho bula o fumanoa ke wrench ea torque tlas'a khatello ea metsi a sebetsang.
2. Sephahla se koetsoe ka thata, tlas'a makhetlo a 1.1 khatello ea metsi a sebetsang ha e tsoe kapa ho lutla ho kopana le litlhoko tse tloaelehileng (valve e tiisitsoeng ka tšepe ea serurubele), e hlokang hore mahlakore a mabeli a valve a chenchana ho jara khatello, ka ho latellana, le ho bula hangata. le ho koala ho fihlela phello e tšoanang. Litlhoko tsa li-diameter tse fapaneng, mefuta e fapaneng ea li-valve e lokela ho ba ho moetsi le ho hlahloba lihlopha tse tšoanelehang tse nang le ho bula mojaro le ho koala liteko tsa bophelo. Teko ena e boetse e kenyelletsa tlhahlobo ea katleho ea valve shaft seal.
3. Valve khaphatseha bokgoni ke matla, haholo-holo serurubele belofo, serurubele poleiti khaphatseha ho hanyetsa ho ba nyenyane, khaphatseha e atlehang sebakeng seo ho ba khōlō. Sena se hloka mefuta e sa tšoaneng ea li-diameter, mefuta e sa tšoaneng ea li-valve e lokela ho ba ho phalla ho hanyetsa coefficient boikemisetso.
4. MOKHOA OA MELE OA VALVE HO NKA KHATELLO EA METSI E LOKELA HO TSAMAEA LE phaephe, ke hore, valve e ka jara litlhoko tsa khatello ea teko ea liphaephe tlas'a naha e bulehileng.
Boraro, lera la belofo le anticorrosion e kantle
VALVE KE MOSEBETSI OA HO fetisa metsi a nooang. Lesela la 'mele oa valve le tlameha ho ba le se nang chefo, le se ke la bola, le se ke la apara le le hloekile, e le hore ho hanyetsa ho phalla ho be nyenyane kamoo ho ka khonehang. Joalo ka poleiti ea khatello ea valve, bolt le thepa ea serurubele li fapane, ho bonolo ho corrosion ea electrochemical, 'me mafome a corrosion a hlahisoa a fetela holimo ho tiisoa, tšusumetso ea phello ea ho koala li-valve, valve e' ngoe e kentsoeng ka har'a borehole, e koloba ka metsing, Ho bohlokoa ho thibela kutu, ka hona ho ntlafatsa lesela le reretsoe ho koahela, ho thibela mafome ho hlahisa tšilafalo ea bobeli ea metsi.
The EXTERNAL ANTI-CORROSION OF valve e ka nkoa ka mor'a ho bentša le ho hloekisa lehlabathe, 'me joale electrostatic fafatsa non-toxic epoxy resin anti-corrosion, kapa u ka qala ka borashe ka makhetlo a 1-2 pente e khubelu ea loto, ebe o borashe ka makhetlo a mabeli anti- pente e mafome.
Tse 'nè, ts'ebetso ea tsamaiso ea valve
Ho sa tsotellehe hore na valve e ka buloa le ho koaloa hantle, eseng ho khetho ea li-valve e loketseng, boleng bo botle ba sehlahisoa, ho hahoa ka hloko le ho kenya, empa hape le tsamaiso e nahanang, e le ho bapala "matsatsi a likete-kete, phello ea nakoana". Tsamaiso e ntle ea ts'ebetso e bonts'a likarolo tse tharo tse latelang:
1. Lintlha tsa tekheniki lia fumaneha
Lintlha tsa TECHNICAL tsa li-valve tse kenyeletsang litaelo tsa fektheri ea valve, valve ka mor'a letlapa la tlhahlobo ea theko, kopano ea valve le karete ea boemo, litlaleho tsa tlhokomelo ea li-valve. Bakeng sa liphetoho tsa literata, karete ea valve e lokela ho nchafatsoa ka nako, 'me e leke ho theha tsamaiso ea tsamaiso ea GIS.
2. Tsamaiso e ntle ea ts'ebetso ea valve
Litlhoko tsa boleng ba tsamaiso ea ts'ebetso ea li-valve li kenyelletsa valve e lokela ho koaloa ka thata, sekontiri sa valve shaft seal ha se lutle, valve e bulehile le e koala leseli, pontšo e ntle. Mosebetsi oa letsatsi le letsatsi oa tsamaiso ea ts'ebetso ea li-valve o kenyelletsa tlaleho ea tumello ea lenane la ts'ebetso ea ho bula le ho koala le ho ntlafatsa tlaleho ea ts'ebetso, tlaleho ea ho bula le ho koala ea tlhahlobo ea kamehla ea valve, joalo-joalo Bakeng sa valve e sa sebetsoeng nako e telele, ho ea ka boholo ba caliber, hoa hlokahala ho khetholla potoloho e fapaneng ea ho lemoha. Bakeng sa phoso e fumanoeng e lokela ho beha pele moralo oa tlhokomelo, phekolo e nakong, haholo-holo ka mor'a ho koala valve e ke keng ea buloa e lokela ho tšoaroa ha phaephe ea tokiso ea tšohanyetso e phatlohile.
3. Valve hantle ka boemo bo botle
Boemo ba valve hantle bo kenyelelitse hore masonry EA valve hantle e lumellana le litekanyetso tsa indasteri le litlhaloso tsa moralo, kamano pakeng tsa sekoahelo sa seliba le holim'a tsela e tiile, sebaka sa lesoba sa valve se nepahetse, ha ho na litšila le likhoerekhoere selibeng, 'me ha ho na mafome holim'a valve. Haeba maemo a lumela, mehato ea tekheniki ea phetisetso ea moea ea nako e telele ka har'a li-valve tsa bophara bo boholo ba Wells li lokela ho nahanoa. Seliba sa valve se lokela ho hlahlojoa khafetsa, tahlehelo le tšenyo ea sekoahelo sa seliba li lokela ho sebetsanoa ka nako.
Senotlolo sa ho laola khetho ea li-valve ke ho lekola litšobotsi tse matla
Le hoja lintlha tse ling tsa setso li ntse li le bohlokoa, li atisa ho lebisa tlhokomelo ho ts'ebetso ea "static" ea valve. Ha e le hantle li lekantsoe "bencheng," empa liphello tse joalo li thata ho bolela hore na valve e tla sebetsa joang tlas'a maemo a sebele a ho sebetsa. Khopolo e tloaelehileng e fana ka maikutlo a hore phetoho e hlokolosi ea lintlha tse tsitsitseng e tla fella ka ts'ebetso e ntle ea valve ('me kahoo potoloho eohle). Leha ho le joalo, hona joale rea hlokomela hore ha ho joalo kamehla.
Liteko tse likete tsa ts'ebetso tse entsoeng ke bafuputsi le bahlahisi li bonts'itse hore hoo e ka bang karolo ea 50 lekholong ea li-valve tse sebelisoang, tseo bongata ba tsona li khethiloeng ho latela mekhoa ea setso, ha li atlehe ho ntlafatsa ts'ebetso ea loop ea taolo. Liphuputso tse latelang li bontša hore litšobotsi tse matla tsa valve li phetha karolo ea bohlokoa ho fokotsa phallo ea phallo. Lits'ebetsong tse ngata tse mahlonoko, esita le phokotso ea 1% ea phapang ea ts'ebetso e nang le li-valve tse fapaneng e ka ntlafatsa haholo tlhahiso le ho fokotsa litšila, e leng se hlahisang melemo ea moruo e fetang $ 1 milione. Ho totobetse hore melemo e joalo ea moruo e etsa hore re khone ka ho feletseng ho hana mokhoa oa setso, ke hore, feela ho ea ka theko ea pele ea theko ea valve ho etsa qeto ea ho reka.
Taba ea bobeli, bohlale bo tloaelehileng esale e le hore ntlafatso ea ts'ebetso ea ts'ebetso e lula e tsoa ho ntlafatso ea lisebelisoa tsa taolo ka phapusing ea taolo. Leha ho le joalo, lintlha tsa tlhahlobo li bontša hore litšobotsi tse matla tsa valve li ka ba le tšusumetso e kholo mosebetsing oa loop tlas'a sesebelisoa se tšoanang sa taolo. Haeba ho nepahala ha valve ea ho laola ke 5% feela, joale ha ho thuse ho sebelisa chelete e ngata ho lokisa tsamaiso ea lisebelisoa tsa taolo e tsoetseng pele ka ho nepahala ha taolo ea 0.5%.
Mofuta oa valve
HO BATLANG VALVE E LOKELANG HO SEBELISA, MEFUTA E MANE EA MOTHEO EA LI-VALVE TSA THROTTLING TŠEBELETSO E LOKELA ho hlahlobisisoa, e leng, cage ball valve, rotary float ball valve, eccentric valve le butterfly valve.
Li-valve tsa Cage ball li fumaneha ka mefuta e mengata e fapaneng ea li-disc 'me kahoo li finyella litlhoko tsa mekhoa e mengata, e leng se etsang hore e be tsona tse tlang pele har'a li-valve. Ho na le mefuta e mengata ea likotoana tsa ho lokisa li-valve tsa cage ball, ho kenyeletsoa likotoana tsa phetoho tse leka-lekaneng, likotoana tse sa lekanngoeng, likotoana tsa tokiso ea setulo, likotoana tsa tokiso le likotoana tsa tokiso e felletseng. Maemong a mangata, litlhophiso tse fapaneng tsa lipampiri tsa 'mele lia fetoha.
Li-valve tsa Cage ball li boetse li na le mathata a 'maloa. Boholo ba valve bo lekanyelitsoe (ka tloaelo lisenthimithara tse 16); Ntlha ea bobeli, ha ho bapisoa le mola oa ho bona valve ea litlhaloso tse tšoanang (tse kang float ball valve kapa butterfly valve), matla a eona a batla a le tlaase; Ea boraro, theko e phahame, haholo-holo valve e kholo ea bophara ba cage ball. Leha ho le joalo, ts'ebetso e babatsehang ea li-valve tsa li-cage ball ho fokotsa ho fetoha ha ts'ebetso hangata ho feta ho lefella likhaello tsena.
Sekhahla sa phallo ea valve ea bolo ea rotary e kholo ho feta ea cage ball valve ea caliber e tšoanang. Le hoja mefuta e mengata ea taolo ea li-valve tsa bolo ea rotary float ball e kholo ho feta ea cage ball valve, e ntse e phahametse mefuta e meng e mengata ea li-valve. Ho theoha ho lumelletsoeng ha khatello le mefuta e fapaneng ea mocheso ea valve ea rotary float ball e nyane ho feta ea cage ball valve. Hangata li na le khatello e phahameng ea khatello ea 7.0x105kg/m2 'me li loketse ho sebelisoa ka mocheso o ka tlaase ho 398 ° C. Li-valve tsa bolo ea float ha li tšoanelehe bakeng sa maro a atisang ho ba le cavitation, 'me hangata li ka etsa lerata le leholo ha li sebelisetsoa likhase ho theoha ha khatello e phahameng.
Li-valve tsa eccentric li na le likhohlano tse fokolang le litheko tse tlase ho feta li-valve tsa float. Sebopeho se ikhethileng sa sebopeho se etsa hore se nepahale haholoanyane ho laola phallo ea phallo. Sena se bonahala ho sehlahisoa se secha sa Fisher, BV500. Ho phaella moo, melemo le melemo ea eccentric valve le float ball valve ha e fapane haholo.
Ho ea ka ts'ebetso ea valve ea ho lekanya, valve ea serurubele ke ea valve ea boemo bo tlaase. Li-valve tsa butterfly li na le phallo e phahameng, theko e tlase, 'me li fumaneha ka mefuta e sa tšoaneng. Leha ho le joalo, belofo ea serurubele e na le tšobotsi e le 'ngoe feela e kobehang ka tekanyo e lekanang, e lekanyetsang matla a serurubele a ho fokotsa ho feto-fetoha ha tšebetso. Ka lebaka lena, li-valve tsa serurubele li lokela ho sebelisoa feela ha mojaro o tsitsitse. Leha li-valve tsa BUTERFLY LI TLA KA MEFUTA EA DIAMETER 'me LI KA ETSOA KA LI-ALLOY TSE KHOLO KA HO FIHLELA, LITLHAKISO TSA BUTERFLY HA LI FIHLETSE LIHLOKO TSA ANSI BAKENG SA LIHLOOHO TSE LING TSA LIHLOOHO 'me HA LI REETSE HO SEBELISA VACUOLATING NOSISIDIS FLUID.
Nako ea poso: Oct-13-2022
