Yakadzika tembiricha vharafu madziro ukobvu, chigaro, anti-static dhizaini uye kugadzira zviyero kuongororwa yakaderera tembiricha vharafu application ruzivo sumo

Yakadzika tembiricha vharafu madziro ukobvu, chigaro, anti-static dhizaini uye kugadzira zviyero kuongororwa yakaderera tembiricha vharafu application ruzivo sumo

Yakadzika tembiricha vharafu madziro ukobvu, chigaro, anti-static dhizaini uye yekugadzira zviyero kuongororwa
Inokodzera tembiricha yepakati -40 ℃ ~ -196 ℃ vharafu inonzi yakaderera tembiricha vharafu. Cryogenic mavharuvhu anosanganisira yakaderera tembiricha bhora vharafu, gedhi vharafu pa yakaderera tembiricha, yakaderera tembiricha cheka-kure vharafu, vharafu vharafu, cheki vharafu pa yakaderera tembiricha mu yakaderera tembiricha, yakaderera tembiricha butterfly vharafu, tsono vharafu pa yakaderera tembiricha, yakaderera tembiricha throttle vharafu, cryogenic vharafu, nezvimwewo, inonyanya kushandiswa ethylene, liquefied natural gas (LNG) chirimwa, gasi LPGLNG tangi, gamuchira base uye goonhilly, mhepo kupatsanura midziyo, oiri kemikari muswe gasi kupatsanura midziyo, Liquid okisijeni, liquid nitrogen, liquid argon, carbon dioxide yakaderera. tembiricha yekuchengetedza tangi uye tangi rori, kumanikidza swing adsorption okisijeni kugadzira michina. Iyo inobuda mvura yakaderera-kupisa yepakati senge ethylene, yemvura okisijeni, yemvura hydrogen, liquefied gasi rechisikigo, liquefied petroleum zvigadzirwa, nezvimwewo, haingobatike uye inoputika, asiwo gasification kana ichipisa. Kana gasification, vhoriyamu inowedzera mazana enguva. Yakaderera tembiricha vharafu application, kudzora tembiricha, kudzivirira, kuvuza uye dzimwe njodzi dzakavanzika.
Typical yakaderera tembiricha vharafu chimiro: anowanzoshandiswa yakaderera tembiricha mavharuvhu ari yakaderera tembiricha gedhi vharafu, yakaderera tembiricha globe vharafu, yakaderera tembiricha cheki vharafu, yakaderera tembiricha bhora vharafu, yakaderera tembiricha butterfly vharafu uye zvichingodaro. Yakadzika tembiricha yegedhi vharafu uye yakaderera tembiricha bhora vharafu mukamuri pakati pegedhi ndiro uye bhora, zvinopihwa negomba rekumanikidza. Ese mavharuvhu e-cryogenic akavharwa unidirectional UYE ane MEDIUM FLOW akakanda kana AKAMAKA PAmuviri.
1. Ukobvu hudiki hwemadziro: hushoma hutete hwemuviri uye chivharo chegomba rekushisa kwevhavha yepasi, haigamuchire kukora kwemadziro muASMEB16.34 chiyero. Ukobvu hushoma hwemadziro evhavha yegedhi hahungave husingasviki API600, hushoma hwemadziro evhavhavha yeglobhu haifaniri kunge iri pasi peBS1873, hushoma hwemadziro evhavhavha yecheki hahungave hushoma pane hushoma hwemadziro eBS1868 nemimwe mwero; Stem dhayamita ichaenderana neAPI600 kana BS1873 zviyero.
2. Chigaro chevhavha: yakaderera tembiricha vharafu chigadzirwa chisimbiso pair zvichienderana nekushanda tembiricha uye zita rekumanikidzwa kwepakati, inogona kugadzirwa sesimbi-PTFE nyoro chisimbiso kana simbi-simbi yakaoma chisimbiso, asi PTFE inokodzera chete tembiricha yekushanda ye. iyo yepakati yakakwira kupfuura 73 ℃, nekuti yakanyanya kuderera tembiricha PTFE inozoita brittle. Panguva imwecheteyo PTFE haifaniri kushandiswa pakumanikidzika kwepamusoro kudarika kana kuenzana neCL1500, nokuti kana dzvinyiriro inopfuura CL1500, PTFE ichabudisa kutonhora kunoyerera, kunobata chisimbiso chevhavha. Chigaro cheyakavharwa yakadzikira tembiricha yegedhi vharafu, cheki vharafu uye vharuvhu yepasi inotora Co-Cr-W yakaoma alloy yakatarisana yakananga pamuviri wevharuvhu. Gadzira chigaro uye muviri wose, kudzivirira kuvuza kunokonzerwa nekudzika kwekushisa deformation yechigaro, chengetedza kuvimbika kwechisimbiso pakati pechigaro nemuviri.
3. Anti-static: inoshandiswa pakupisa uye inoputika yakadzika tembiricha yepakati, kana vharafu inotakura kana gasket uye chisimbiso chePTFE nezvimwe zvinodzivirira zvinhu, vharafu yakavhurika nekuvhara inoburitsa magetsi akamira, uye magetsi akamira epakati uye anoputika. inotyisa zvikuru, saka, valve inofanira kugadzirwa ne-anti-static device.
Yakaderera tembiricha vharafu sarudzo:
1. Muviri wevharuvhu uye chivharo chinotora: LCB(-46 ℃), LC3(-101℃), CF8(304)(-196℃).
2. Gedhi: simbi isina tsvina yakatarisana necobalt-based hard alloy.
3. Chigaro: Stainless simbi yakatarisana necobalt-based carbide.
4. Dzinde: 0Cr18Ni9.
Yakaderera tembiricha vharafu mwero uye chigadzirwa chimiro:
1. Dhizaini: API6D, JB/T7749
2. Valve routine kuongorora uye kuedza: maererano ne API598 standard.
3. Valve yakaderera tembiricha kuongorora uye bvunzo: press JB/T7749.
4. Dhiraivha mode: manual, bevel gear drive uye electric drive device.
5. Chimiro chechigaro chevhavha: chigaro chevhavha chinotora chimiro chekugadzira, uye nzvimbo yekuisa chisimbiso iri pamusoro pecobalt-based carbide kuti ive nechokwadi chekuvhara kushanda kwevhavha.
6. Gondohwe rinotora elastic structure, uye gomba rekudzikinura rakagadzirirwa pamagumo ekupinza.
7. One-way sealed valve body inoiswa chiratidzo chekuyerera.
8. Yakadzika tembiricha bhora vharafu, gedhi vharafu, globe vharafu uye butterfly vharafu tora refu mutsipa chimiro kudzivirira kurongedza.
9. Tembiricha bhora vharafu muyero: JB/T8861-2004.
Low tembiricha vharafu application ruzivo sumo
1. Low tembiricha application sarudzo
1. Vashandi vanoshandisa mavharuvhu munzvimbo dzinotonhora, dzakadai semafuta RIGS mugungwa repolar.
2. Mavharuvhu anoshandisa mavharuvhu kutarisira mvura patembiricha iri pasi pechando.

Chechipiri, chii chinokanganisa kugadzirwa kwevharuvhu?
Kupisa kune zvakakosha pakugadzira valve. Semuenzaniso, mushandisi anogona kuida kune yakakurumbira nharaunda senge Middle East. Kana, inogona kushanda munzvimbo dzinotonhora semakungwa epolar. Mamiriro ese ari maviri anogona kukanganisa kusimba kwevhavha uye kusimba. Zvikamu zvemavharuvhu aya zvinosanganisira muviri, bhoneti, dzinde, stem seal, bhora vharafu, uye chigaro. Izvi zvikamu zvinowedzera uye zvibvumirano pakupisa kwakasiyana nekuda kwekusiyana kwekuumbwa kwezvinhu.
Tatu, mainjiniya anovimbisa sei kuiswa chisimbiso kwevhavha yekushisa yakadzika?
Leakage inodhura zvakanyanya kana munhu akafunga mutengo wekugadzira gasi mufiriji pakutanga. Zvine ngozi zvakare. Kunetseka kukuru neiyo cryogenic tekinoroji mukana wekudonha kwechigaro. Vatengi vanowanzo tarisira pasi radial uye mutsara kukura kwemazita maererano nemuviri. Vatengi vanogona kudzivisa matambudziko aya kana vakasarudza mavharuvhu akakodzera. Inokurudzirwa kushandisa yakadzika tembiricha valve yakagadzirwa nesimbi isina tsvina. Izvo zvinhu zvinotarisana zvakanaka nekushisa kwekushisa panguva yekushanda nemagasi ane liquefied. Mavharuvhu eCryogenic achavharwa nemidziyo yakakodzera kusvika ku100 bar. Mukuwedzera, iyo EXTENDED BONNET Ichinhu chakakosha zvikuru sezvo inotarisa kusimba kwe stem sealant.

Sarudza vharafu kune yakaderera tembiricha sevhisi
Kusarudza mavharuvhu ekushandisa cryogenic kunogona kuve kwakaoma. Mutengi anofanira kufunga nezvemamiriro echikepe uye mufekitari. Uyezve, iyo chaiyo midziyo ye cryogenic fluid inoda chaiyo valve performance. Kusarudzwa kwakakodzera kunovimbisa kuvimbika kwechirimwa, kuchengetedzwa kwemidziyo uye kushanda kwakachengeteka. Musika wepasi rose weLNG unoshandisa maviri makuru mavharuvhu dhizaini.
1, baffle imwe chete uye kaviri baffle cheki vharafu
Aya mavharuvhu zvinhu zvakakosha mumichina yekunyungudutsa nekuti anodzivirira kukuvadzwa kunokonzerwa nekuyerera kwekuchinja. Material uye saizi zvakakosha kufunga nekuti cryogenic mavharuvhu anodhura. Migumisiro yevhavha isina kururama inogona kukuvadza.
2, matatu akarerekera anotenderera akasimba ega ega
Izvi zvinogadzirisa zvinobvumira valve kuvhura uye kuvhara. Vanoshanda nekukwesha kudiki uye kukweshana. Inoshandisawo stem torque kuita kuti vharuvhu iwedzere mhepo. Rimwe rematambudziko ekuchengetwa kweLNG kuri kuvharirwa mugomba. Mumakomba aya, mvura inogona kuwedzerwa kanopfuura ka600. Iyo mitatu-inotenderera yakasimba yekuparadzanisa valve inobvisa dambudziko iri.
shanu, kana iri gasi rinopisa zvikuru, rakadai segasi rechisikigo kana okisijeni, kana pakaitika moto, vharuvhu inofanirawo kushanda zvakanaka.
1. Dambudziko rekushisa
Kuchinja kwekushisa kwakanyanya kunogona kukanganisa kuchengetedzwa kwevashandi nemafekitari. Chimwe nechimwe chikamu che cryovalve chinowedzera uye zvibvumirano pamitengo yakasiyana nekuda kwezvakasiyana zvekuumbwa uye urefu hwenguva iyo inoiswa pasi pefiriji. Imwe dambudziko guru pakubata nefiriji ndiko kuwedzera kwekupisa kubva munzvimbo yakapoteredza. Uku kuwedzera kwekupisa ndicho chikonzero vagadziri vanoparadzanisa mavharuvhu nemitsetse. Kuwedzera kune yakakwirira tembiricha renji, mavharuvhu anofanirwa kurwisana nematambudziko akawanda. Kune liquefied helium, tembiricha yegasi rakanyungudutswa inodonha kusvika -270C.
2. Matambudziko ekushanda
Sezvineiwo, kana tembiricha yadonha kusvika zero, basa revharuvhu rinova rakaoma kwazvo. Iyo cryogenic valve inobatanidza pombi negasi remvura kune zvakatipoteredza. Inozviita pane ambient tembiricha. Mhedzisiro yacho inogona kuve musiyano wetembiricha unosvika 300C pakati pepombi nenzvimbo.
3. Kubudirira
Kusiyana kwetembiricha kunounza kupisa kuyerera kubva kunodziya kuenda kunzvimbo dzinotonhora. Inogona kukanganisa basa rakajairika revhavha. Inogonawo kuderedza kushanda kwegadziriro mumamiriro ezvinhu akaoma. Izvi zvinonyanya kunetseka kana mazaya echando achiita pamucheto unodziya. Asi mune cryogenic applications, iyi passive yekudziya maitiro inoshandiswawo nemaune. Iyi nzira inoshandiswa kuvhara tsinde. Kazhinji, dzinde rakavharwa nepurasitiki. Zvinhu izvi hazvigoni kumira kutonhora kwakadzika, asi chisimbiso chesimbi chepamusoro chezvikamu zviviri, izvo zvinofamba zvakawanda zvakatarisana, zvinongodhura zvakanyanya uye zvinenge zvisingaiti.
4. Stress
Pane kuvakwa kwekumanikidza panguva yekubata kwakajairika kwefiriji. Izvi zvinokonzerwa nekuwedzera kwekupisa kwe ambient uye kunotevera kuumbwa kwemhepo. Kunyatsotarisirwa kunodiwa mukugadzirwa kwevhavha / pombi masisitimu. Izvi zvinoita kuti kushushikana kuwedzere.
5. Dambudziko rekuisa chisimbiso
Pane mhinduro iri nyore kudambudziko iri. Iwe unotora plastiki inoshandiswa kuvhara tsinde kune imwe nzvimbo yekushisa. Izvi zvinoreva kuti stem sealant inofanira kuchengetedzwa kure kubva mumvura. Iyo hood yakaita sechubhu. Kana iyo mvura ikakwira nepapombi iyi, inodziya kubva kunze kwekushisa. Kana iyo fluid ichisvika pa stem sealer, inonyanya kudziya tembiricha uye gasi. Iyo hood inodzivirirawo mubato kubva kuchando uye kutadza kutanga.