SebakaTianjin, Chaena (Bohareng)
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Botenya ba lerako la mocheso o tlase, setulo, moralo oa anti-static le tlhahlobo ea litekanyetso tsa tlhahiso ea tlhahiso ea tsebo ea ts'ebeliso ea mocheso o tlase

Botenya ba lerako la mocheso o tlase, setulo, moralo oa anti-static le tlhahlobo ea litekanyetso tsa tlhahiso ea tlhahiso ea tsebo ea ts'ebeliso ea mocheso o tlase

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Botenya ba lerako la mocheso o tlase, setulo, moralo oa anti-static le tlhahlobo ea litekanyetso tsa tlhahiso
E loketse mocheso o mahareng -40 ℃ ~ -196 ℃ valve e bitsoa valve e tlase ea mocheso. Li-valve tsa Cryogenic tse kenyelletsang mocheso o tlase oa bolo, valve ea heke ka mocheso o tlase, mocheso o tlase oa mocheso o tlase, belofo ea polokeho, valve ea ho hlahloba mocheso o tlase mocheso o tlase, mocheso o tlase oa serurubele, belofo ea nale ka mocheso o tlase, mocheso o tlase oa mocheso o tlase, cryogenic. valve, joalo-joalo, haholo-holo e sebelisetsoang ethylene, semela sa khase ea tlhaho (LNG), tanka ea khase ea LPGLNG, ho amohela setsi le goonhilly, lisebelisoa tsa karohano ea moea, lisebelisoa tsa karohano tsa lik'hemik'hale tsa oli ea mohatla, oksijene ea metsi, naetrojene e metsi, argon ea metsi, carbon dioxide e tlase. tanka ea polokelo ea mocheso le teraka ea tanka, khatello ea khatello ea adsorption lisebelisoa tsa tlhahiso ea oksijene. Mokelikeli o nang le mocheso o tlase oa mocheso o kang ethylene, oksijene ea metsi, hydrogen ea metsi, khase ea tlhaho e qhibilihisitsoeng, lihlahisoa tsa peterole tse nang le metsi, joalo-joalo, ha li chese feela ebile lia phatloha, empa hape le gasification ha li futhumala. Ha gasification, molumo oa eketseha ka makhetlo a makholo. Sesebelisoa sa valve ea mocheso o tlase, laola mocheso, thibela, ho lutla le likotsi tse ling tse patiloeng.
Sebopeho se tloaelehileng sa li-valve tsa mocheso o tlase: hangata li-valve tsa mocheso o tlase ke mocheso o tlase oa liheke tsa mocheso, mocheso o tlase oa lefatše, mocheso o tlase oa ho hlahloba mocheso, mocheso o tlase oa bolo, mocheso o tlase oa serurubele joalo-joalo. Mocheso o tlase oa liheke tsa mocheso le mocheso o tlaase oa bolo ka kamoreng pakeng tsa poleiti ea heke le bolo, li fanoa ka lesoba la khatello ea khatello. Li-valve tsohle tsa cryogenic li tiisitsoe ka mokhoa o le mong 'me li na le MEDIUM FLOW cast kapa TŠOAOA' meleng.
1. Botenya bo fokolang ba lerako: bonyane botenya ba 'mele le sekoahelo sa khetla ea valve ea mocheso o tlase, ha e amohele botenya ba lebota ka mokhoa oa ASMEB16.34. Botenya bo fokolang ba lebota la valve ea heke ha boa lokela ho ba ka tlase ho API600, bonyane botenya ba lebota la valve ea lefats'e ha boa lokela ho ba ka tlase ho BS1873, bonyane botenya ba lebota la valve ea cheke ha boa lokela ho ba tlase ho bonyane botenya ba lebota ba BS1868 le litekanyetso tse ling; Bophara ba stem bo tla lumellana le litekanyetso tsa API600 kapa BS1873.
2. Setulo sa valve: mocheso o tlase oa mocheso oa lihlahisoa tsa lihlahisoa tsa lihlahisoa ho latela mocheso o sebetsang le khatello ea lebitso la bohareng, e ka etsoa e le tšepe-PTFE tiiso e bonolo kapa tšepe-tšepe e thata, empa PTFE e loketse feela mocheso o sebetsang oa seaplane se phahame ho feta 73℃, hobane mocheso o tlase haholo oa PTFE o tla fetoha brittle. Ka nako e ts'oanang PTFE ha ea lokela ho sebelisoa bakeng sa boemo ba khatello e kholo ho feta kapa e lekanang le CL1500, hobane ha khatello e feta CL1500, PTFE e tla hlahisa phallo e batang, e amang tiiso ea valve. Setulo sa valve ea heke e tiisitsoeng ka thata e tiisitsoeng ka mocheso o tlase, valve ea ho hlahloba le valve ea lefats'e e nka Co-Cr-W hard alloy e fetang ka kotloloho holim'a 'mele oa valve. Etsa setulo le 'mele ka kakaretso, thibela ho lutla ho bakoang ke deformation e tlaase ea mocheso oa setulo, etsa bonnete ba ho tšepahala ha tiiso pakeng tsa setulo le' mele.
3. Anti-static: e sebelisetsoa ho chesa le ho phatloha mocheso o tlaase oa mocheso, haeba valve e paka kapa gasket le tiiso bakeng sa PTFE le lisebelisoa tse ling tse sireletsang, valve e bulehileng le ho koala e tla hlahisa motlakase o tsitsitseng, le motlakase o tsitsitseng bakeng sa mocheso o tukang le o phatlohang o tlaase. e tšabeha haholo, ka hona, valve e lokela ho etsoa ka sesebelisoa sa anti-static.
Khetho ea lisebelisoa tsa mocheso o tlase:
1. 'Mele oa valve le sekoahelo li amohela: LCB(-46℃), LC3(-101℃), CF8(304)(-196℃).
2. Heke: tšepe e sa hloekang e holim'a cobalt e thehiloeng ho alloy e thata.
3. Setulo: tšepe e sa hloekang holim'a carbide e thehiloeng ho cobalt.
4. Stem: 0Cr18Ni9.
Tekanyetso e tlase ea mocheso oa valve le sebopeho sa sehlahisoa:
1. Moralo: API6D, JB/T7749
2. Tlhahlobo le tlhahlobo ea li-valve: ho latela maemo a API598.
3. Tlhahlobo ea mocheso o tlase oa valve le teko: tobetsa JB/T7749.
4. Mokhoa oa ho khanna: buka ea litaelo, koloi ea bevel gear le mochine oa motlakase oa motlakase.
5. Foromo ea setulo sa li-valve: setulo sa li-valve se nka sebopeho sa welding, 'me sebaka sa ho tiisa se shebile carbide e thehiloeng ho cobalt ho netefatsa ts'ebetso ea tiiso ea valve.
6. Pheleu e nka sebopeho sa elastic, 'me lesoba la ho fokotsa khatello le entsoe qetellong ea ho kena.
7. 'Mele oa valve o tiisitsoeng ka tsela e le' ngoe o tšoailoe ka letšoao la tataiso ea phallo.
8. Mocheso o tlase oa bolo, valve ea heke, valve ea globe le valve ea serurubele e amohela sebopeho sa molala o molelele ho sireletsa ho paka.
9. Tekanyetso ea valve ea mocheso: JB/T8861-2004.
Selelekela sa tsebo ea ts'ebeliso ea valve ea mocheso o tlase
1. Likhetho tsa kopo ea mocheso o tlase
1. Basebelisi ba sebelisa li-valve libakeng tse batang, tse kang oli RIGS maoatleng a polar.
2. Basebelisi ba sebelisa li-valve ho laola maro a mocheso o ka tlas'a leqhoa.

Ea bobeli, ke eng e amang moralo oa li-valve?
Mocheso o na le phello ea bohlokoa moralong oa li-valve. Mohlala, mosebelisi a ka e hloka bakeng sa tikoloho e tsebahalang joalo ka Middle East. Kapa, ​​​​e ka sebetsa libakeng tse batang joalo ka maoatle a polar. Maemo ana ka bobeli a ka ama ho tiea ha valve le ho tšoarella. Likarolo tsa li-valve tsena li kenyelletsa 'mele, bonnet, stem, stem seal, valve ea bolo le setulo. Likarolo tsena li atoloha le ho koeteloa ka lithempereichara tse fapaneng ka lebaka la phapang ea sebopeho sa thepa.
Boraro, moenjineri o etsa bonnete ba hore ho koaloa ha valve ea mocheso o tlase?
Ho lutla ho theko e boima haholo ha motho a nahana ka litšenyehelo tsa ho etsa khase ka sehatsetsing pele. Hape ho kotsi. Taba e kholo ka theknoloji ea cryogenic ke monyetla oa ho lutla ha setulo. Hangata bareki ba nyenyefatsa kholo ea radial le linear ea stems mabapi le 'mele. Bareki ba ka qoba mathata ana haeba ba khetha li-valve tse nepahetseng. Ho kgothaletswa ho sebelisa valve e tlaase ea mocheso e entsoeng ka tšepe e sa hloekang. Thepa e sebetsana hantle le li-gradients tsa mocheso nakong ea ts'ebetso e nang le likhase tse nang le liquefied. Li-valve tsa cryogenic li tla koaloa ka thepa e loketseng ho fihla ho 100 bar. Ho phaella moo, EXTENDED BONNET KE karolo ea bohlokoa haholo kaha e khetholla ho tiea ha stem sealant.

Khetha valve bakeng sa tšebeletso ea mocheso o tlase
Ho khetha li-valve bakeng sa lits'ebetso tsa cryogenic ho ka ba thata. Moreki o tlameha ho nahana ka maemo a sekepeng le fekthering. Ho feta moo, thepa e khethehileng ea mokelikeli oa cryogenic e hloka ts'ebetso e khethehileng ea li-valve. Khetho e nepahetseng e tiisa ho tšepahala ha limela, tšireletso ea lisebelisoa le ts'ebetso e sireletsehileng. Mmaraka oa lefats'e oa LNG o sebelisa meralo e 'meli e meholo ea li-valve.
1, baffle e le 'ngoe le valve ea ho hlahloba habeli
Li-valve tsena ke likarolo tsa bohlokoa tsa thepa ea mokelikeli hobane li thibela tšenyo e bakoang ke ho fetoha ha phallo. Lintho tse bonahalang le boholo ke lintlha tsa bohlokoa hobane li-valve tsa cryogenic li theko e boima. Liphello tsa li-valve tse fosahetseng li ka ba kotsi.
2, li-valve tse tharo tsa rotary tight isolation valve
Li-offsets tsena li lumella valve ho bula le ho koala. Li sebetsa ka mokhoa o fokolang haholo le likhohlano. E boetse e sebelisa torque ea stem ho etsa hore valve e se ke ea hema haholoanyane. E 'ngoe ea liqholotso tsa polokelo ea LNG ke ho ts'oaroa ka mokoting. Ka likoti tsena, mokelikeli o ka atolosoa ka makhetlo a fetang 600. Valofo ea ho itšehla thajana ea rotary tse tharo e felisa phephetso ena.
Tse hlano, tabeng ea khase e tukang haholo, e kang khase ea tlhaho kapa oksijene, ha ho e-ba le mollo, valve le eona e tlameha ho sebetsa ka nepo.
1. Bothata ba mocheso
Liphetoho tse matla tsa mocheso li ka ama polokeho ea basebetsi le lifeme. Karolo e 'ngoe le e' ngoe ea cryovalve e atoloha le ho etsa likonteraka ka litefiso tse fapaneng ka lebaka la mefuta e fapaneng ea lintho tse entsoeng le bolelele ba nako eo li kenngoa ka sehatsetsing. Bothata bo bong bo boholo ha u sebetsana le lihatsetsi ke ho eketseha ha mocheso o tsoang tikolohong e potolohileng. Keketseho ena ea mocheso ke lebaka leo bahlahisi ba khethollang li-valve le mela. Ntle le mocheso o phahameng, li-valve li tlameha ho tobana le mathata a mangata. Bakeng sa liquefied helium, mocheso oa khase e qhibilihisitsoeng o theohela ho -270C.
2. Mathata a tshebetso
Ka lehlakoreng le leng, haeba mocheso o theohela ho zero, mosebetsi oa valve o ba thata haholo. Valve ea cryogenic e kopanya phala le khase ea metsi ho tikoloho. E etsa joalo ka mocheso oa tikoloho. Sephetho e ka ba phapang ea mocheso ho fihla ho 300C pakeng tsa phala le tikoloho.
3. Katleho
Liphapano tsa mocheso li hlahisa phallo ea mocheso ho tloha libakeng tse futhumetseng ho ea ho tse batang. E ka senya mosebetsi o tloaelehileng oa valve. E ka boela ea fokotsa katleho ea tsamaiso maemong a feteletseng. Sena se tšoenya haholo haeba leqhoa le hlaha karolong e futhumetseng. Empa lits'ebetsong tsa cryogenic, mokhoa ona oa ho futhumatsa o sa sebetseng o boetse o sebelisoa ka boomo. Mokhoa ona o sebelisetsoa ho tiisa stem. Hangata, kutu e tiisitsoe ka polasetiki. Lisebelisoa tsena ha li khone ho mamella mocheso o tlase, empa tiiso ea tšepe e sebetsang hantle bakeng sa likarolo tse peli, e tsamaeang haholo ka litsela tse fapaneng, e theko e boima haholo ebile e batla e le thata.
4. Khatello ea kelello
Ho na le ho bokellana ha khatello nakong ea ho tšoara sehatsetsi ka mokhoa o tloaelehileng. Sena se bakoa ke ho eketseha ha mocheso o potolohileng le ho thehoa ha mouoane ka mor'a moo. Tlhokomelo e khethehileng ea hlokahala ha ho etsoa moralo oa li-valve/piping systems. Sena se lumella khatello ea kelello hore e hahe.
5. Bothata ba ho tiisa
Ho na le tharollo e bonolo haholo bothateng bona. U nka polasetiki e sebelisoang ho tiisa kutu sebakeng se batlang se tloaelehile. Sena se bolela hore stem sealant e tlameha ho bolokoa hole le mokelikeli. Thepa e tšoana le tube. Haeba mokelikeli o nyoloha ka pipe ena, o tla futhumala ho tloha mocheso o ka ntle. Ha mokelikeli o fihla setsing sa "stem sealer", haholo-holo o le mochesong o potolohileng 'me o na le khase. Hood e boetse e thibela mohele hore o se ke oa bata le ho hloleha ho qala.


Nako ea poso: Oct-19-2022

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