Ni ryari wagakwiye gukoresha ikirango cy'icyuma gikozwe mu byuma?

Igihe cyo Guhitamo Ikimenyetso cy'Imashini cy'Ibyuma

Ifuru za metani zikoreshwa mu byuma zigaragaza igisubizo cy'ingenzi cy'ubuhanga mu gusimbuza ibikoresho bizenguruka bikora hanze y'ibipimo bisanzwe by'ifuru za elastomer. Mu gusimbuza ifuru ya dynamic secondary na coil nyinshi hamwe n'ipfuru za metani zikoreshwa mu gusimbuza, izi furu zitanga imbaraga z'ipfuru zikenewe hamwe n'umupaka wa secondary ukoreshwa mu gusimbuza. Ubu buryo bwihariye buhindura cyane imipaka y'imikorere ya pompe, bigatuma ikomeza gukora ahantu hashobora kwangiza vuba uburyo busanzwe bwo gusimbuza.

Ubushyuhe, Umuvuduko, n'Umuvuduko w'Umugozi

Abahanga mu by'ubwubatsi bakunze guhinduka imiyoboro y'icyuma iyo ibipimo by'imikorere birengeje imipaka y'imikorere isanzwe ya O-rings. Ifu isanzwe ya bellows y'icyuma ifite ply imwe ikoze mu buryo bworoshye ihangana n'ubushyuhe bw'imikorere kuva kuri -75°C kugeza 400°C (-100°F kugeza 750°F), irenga cyane imipaka isanzwe ya 150°C kugeza 200°C y'ubushyuhe bwa Viton cyangwa Kalrez elastomers. Mu bikorwa bya cryogenic bikora imyuka yashongeshejwe, imiterere y'icyuma ikomeza koroha aho rubber yacika intege ikameneka.

Ubushobozi bw'umuvuduko buracyakomeye. Nubwo imiyoboro isanzwe ikoze mu buryo bwizewe ikora kugeza kuri bar 20 (290 psi), imiyoboro yihariye ikoze mu buryo bwa multi-ply cyangwa hydroformed irashobora kwihanganira umuvuduko urenze bar 69 (1.000 psi). Byongeye kandi, izi seal zigumana uburyo bwo gukurikirana isura buhamye ku muvuduko wa metero 25 ku isegonda (metero 5.000 ku munota), bigatuma zikwiriye cyanepompe zikoresha centrifugal zihuta cyanemu gusaba byinshiibikorwa by'inganda.

Guhuza imiti, ibintu bikomeye, n'isuku

Imiterere idahindagurika y'agace k'inyongera mu gishushanyo mbonera cy'umuvuduko w'amazi (bellows) ikemura ikibazo cyo kumanika elastomer—uburyo bw'ibanze bwo gucika intege mu gace k'umuvuduko aho impeta ya O-ring ifata ku giti bitewe no kwangirika kw'imiti cyangwa kwangirika kwayo. Ibi bituma agace k'icyuma kaba gakwiriye cyane mu mazi afite ubukana bwinshi bw'imiti, harimo aside ikomeye, imiti isukura, n'imiti itera ibinyabutabire.

Mu gihe ukoresha uduce tw’ibintu cyangwa uduce duto dufite uburemere bugera kuri 10% by’ibintu bikomeye, imiterere y’uduce duto dukoresha imbaraga zo hagati kugira ngo uhora ujugunya uduce duto kure y’aho duhurira, bikarinda kuziba. Ariko, isuku ikomeye mu gihe cy’isuku ya mbere y’uburyo irakenewe. Imyanda yose ikomeye y’icyuma cyangwa umuyoboro w’amazi ufungiye hagati y’udupapuro tw’uduce duto duto mu gihe cyo gutangira bishobora kubuza urujya n’uruza rw’imirongo, bigatera imbaraga zo guhangayika mu gace runaka, kandi bigatera umunaniro udasanzwe.

Uburyo Ikimenyetso cy'icyuma gifunga imigozi gikora

Imiterere y'icyuma gifunga imirasire ihindura cyane uburyo umutwaro w'isura n'uburyo bwo guhuza amazi bigerwaho mu gasanduku ko gushyiramo pompe. Bitandukanye n'udupfundikizo dusunika dukoresha amasoko y'imirasire, agace gatanga imirasire ihoraho gakwirakwiza umutwaro w'isoko mu buryo bumwe kuri dogere 360 ​​z'isura y'igipfundikizo, bigatuma filime y'amazi ihinduka hagati y'ibice bizenguruka n'ibidahagarara.

Imikorere igereranije n'ibishushanyo mbonera bya Pusher

Uku gukurura kimwe bigira ingaruka zitaziguye ku buryo kinetic stability y'impande z'ikimenyetso ihagaze mu bihe bitandukanye bya hydraulic. Gukuraho elastomer igenda yihuta ni cyo kintu cy'ingenzi mu gusuzuma imikorere.

Mu gukuraho impeta ya O-dynamic, agace ko gufunga karandura imitsi yo mu mfuruka. Gufunga bibaho iyo imitsi mito ya elastomer ikoresheje agace k'ipompe uko igihe kigenda gihita, bigatuma imitsi ihenda kandi inzira zihora zisohoka munsi y'agace ko gufunga zihagarara.

Kuvoma, Torque, no Kwizerwa

Guhuza amashanyarazi ni ingenzi mu miterere y'imivure y'icyuma ishongeshejwe ku mpande, igerwaho no gushyira umurambararo mwiza w'imivure ugereranije n'isura y'igipfundikizo. Iki gipimo cyo kugereranya neza (ubusanzwe gikozwe hagati ya 0.65 na 0.80) kigabanya gukora ubushyuhe n'ingufu, bigabanura cyane umuvuduko w'amazi kugeza ku rugero rudasobanutse mu gihe cy'imikorere isanzwe ihamye.

Kohereza torque bikorwa mu buryo butaziguye binyuze mu gice cy’imbere cy’imodoka cyangwa binyuze mu bikoresho byihariye byo gutwara mu buryo bukoresha umuvuduko mwinshi, bigamije ko torque itangira idahindura cyangwa ngo ikate udupapuro tw’icyuma. Mu bikorwa byo gutunganya ibyuma bishyushya cyane, gusimbuza agapapuro k’icyuma kananiwe n’agapapuro k’icyuma kagenwe neza akenshi byongera igihe hagati y’ibihe byangiritse (MTBF) kuva ku mezi 8 kugeza kuri 12 mabi cyane kugeza ku mezi arenga 36, ​​bitanga ubwiyongere bukomeye mu byizerwa bw’ibikoresho muri rusange.

Imiterere y'imikorere isobanura ikoreshwa ryayo

Guhitamo ifu y'icyuma ifunga amazi ntabwo ari amahitamo asanzwe yo gukoresha amazi meza bitewe n'uko ikiguzi cyayo cya mbere kiri hejuru. Ahubwo, ni uburyo bwo kuvugurura ibintu mu buryo bw'ingamba iyo ahantu runaka hateye ibibazo bituma ifu y'amazi ifunga amazi itagira umumaro mu buryo bwa tekiniki cyangwa imiti.

Ubushyuhe bwinshi n'ubuke, isuku nke, n'amavuta mabi yo kwisiga

Ubushyuhe bukabije ni bwo butuma ibintu bihinduka. Mu gukoresha amashanyarazi akoresha azote y'amazi cyangwa LNG ku bushyuhe buri hasi kugeza kuri -196°C (-320°F), elastomeri zihita zinanirwa. Ku rundi ruhande, mu buryo bwo kohereza ubushyuhe cyangwa mu byuma bitunganya amazi bihora bikorera kuri dogere selisiyusi 350 kugeza kuri 425°C, elastomeri z'umwimerere zishonga cyangwa zigashonga. Imashini zitunganya ibyuma zigumana umuvuduko wazo wa mekanike kandi zigafunga neza muri ubwo buryo bwose bw'ubushyuhe.

Byongeye kandi, mu gukoresha vacuum cleaner kugeza kuri 0.1 bar absolute, cyangwa sisitemu zihura n’ikibazo cyo kuma gahoro gahoro no kwisiga nabi, uburyo bworoshye bwo gushyiramo isura imwe mu mpande zombi bufasha kugumana icyuma cy’amazi gikomeye. Ibi birinda kwangirika gukomeye mu maso no gucika kw’ubushyuhe bikunze kubaho iyo agakoresho ko gusunika kabuze uruzitiro rwako rwo kwisiga.

Amazi yangiza, ibyago byo guteka, n'ingendo z'imiyoboro

Ibintu bihindura imiterere y'amazi cyangwa coke iyo bihuye n'ubushyuhe bw'ikirere—nk'amazi ya hydrocarboni nyinshi, asphalt, n'amavuta y'isuku—bitera ibyago bikomeye ku bintu bisanzwe bifunga. Uko ibyo bintu bisohoka mu buryo bwa mikorobe mu maso y'ibifunga kandi bigakonja, bikora ububiko bukomeye bwa karuboni. Mu gipfundikizo gisunika, iki gipfundikizo gihagarika izunguruka rya O-ring, bigatuma igipfundikizo gihita kinanirwa. Igipfundikizo cy'icyuma, kidafite elastomer ebyiri zigenda ziseseka, gikomeza gukurikirana isura y'igipfundikizo nubwo haba hari igipfundikizo kiringaniye ku ruhande rw'ikirere.

Byongeye kandi, imiyoboro ishobora kwakira urujya n'uruza rw'imirongo mu buryo bugaragara—akenshi kugeza kuri +/- 2.0 mm—biterwa no kwaguka k'umuyoboro w'ipompo mu bushyuhe bwinshi. Ifata iyi mpinduka mu buryo burambuye binyuze mu gupfunyika kw'imirongo ihambiriyeho idashyize mu kaga icyuho cyo gufunga cyangwa ngo igire ikibazo ku gice cy'umuyoboro.

Imipaka, Uburyo bwo gutsindwa, n'Impinduramatwara

Nubwo zifite ubushobozi bukomeye, imashini zifunga ibyuma zifite imipaka itandukanye mu mikorere yazo ndetse n'uburyo zigabanyamo ingaruka. Uburyo bw'ibanze bwo gucika intege ni ugukata icyuma mu buryo bwa torsional; iyo imashini ifatanye bitewe no gushonga kw'ibicuruzwa mu gihe imashini ifunga, imbaraga zizenguruka iyo itangiye gukora zishobora guhita zica imiyoboro y'amashanyarazi.

Byongeye kandi, udupapuro tworoheje tw’icyuma (ubusanzwe turi hagati ya mm 0.10 na mm 0.15) dushobora kwibasirwa cyane n’umunaniro uterwa no guhindagura kw’ibikoresho. Ingano y’imitingito irenga mm 4.5/s RMS ishobora gutera ubukana bw’imitingito, bigatera kuvunika vuba. Amaherezo, amafaranga akoreshwa mu gishoro ni ubucuruzi bukomeye, aho imitako y’icyuma ivanze n’impande isaba amafaranga y’igiciro cya 1.5 kugeza kuri 3.0x ugereranyije n’imitako isanzwe ikoreshwa, bikaba bisaba impamvu isobanutse yo kunguka ishoramari hashingiwe ku gihe cyo kongera igihe cyo gukora.

Uburyo bwo Kugena no Gushyiraho Ikimenyetso cy'Imashini cya Metal Bellows

Gukoresha neza ikirango cy'icyuma gifunga neza bishingiye cyane ku buryo buhamye bw'ibikoresho n'uburyo bwo kubishyiramo neza. Kubera ko ibi birango byakozwe kugira ngo bikoreshwe neza, ikoranabuhanga rito cyangwa uburyo ridakora neza byakuraho vuba ibyiza byabyo mu mikorere.

Ubuhanga mu by'ibyuma, ibikoresho byo mu maso, n'imiterere y'ibipfundikizo

Ibyuma byo mu gice cy’imbere cy’imashini bigomba guhuzwa neza n’amazi akoreshwa mu gutunganya ibintu. Ibyuma bita icyuma gitemba AM350 ni byo bisanzwe mu gukoresha ubushyuhe bwinshi, bitanga ubushobozi bwo gusudira no kwihanganira umunaniro. Ku bidukikije birimo chloride cyangwa gaze isharira (H2S), injeniyeri zivugurura Alloy C-276 (Hastelloy) cyangwa Alloy 718 (Inconel), bitanga ubushobozi bwo kurwanya ingese n’ibiturika.

Uruvange rw'isura y'ipfundo rukunze guhuza impeta ya Silicon Carbide (SiC) ihagaze n'impeta ya Carbon Graphite izenguruka ifite ubucucike bwinshi kugira ngo igire ubushyuhe bwiza. Ariko, serivisi zo gukurura cyane zishobora gusaba guhuza bikomeye nka SiC na Tungsten Carbide (TC). Imiterere igenwa n'amahame ya API 682, hamwe n'ipfundo rya 1 (ipfundo rimwe) rikoreshwa ku bintu bisanzwe bishyuha cyane, na ipfundo rya 2 cyangwa 3 (ipfundo ribiri ridafite ubushyuhe cyangwa ridafite ubushyuhe) ritegetswe ku bintu bibi cyangwa bihindagurika (VOCs).

Gushyiraho, Kuboneza, Gutangiza, no Gukurikirana

Imiterere y'ikimenyetso cya cartridgeByahindutse ibipimo ngenderwaho mu nganda, bishyiramo imivure, isura, n'agace k'imivure mu gice kimwe cyashyizweho mbere, bikuraho gukenera gupima intoki ku muvure w'ipompo. Mu gihe cyo gushyiraho, umuvure w'ipompo ugomba kwemezwa neza; igipimo cy'ibipimo byose (TIR) ​​ntikigomba kurenza mm 0.05 (inchi 0.002) kugira ngo hirindwe ko imivure y'imivure ihindagurika cyane kandi idahuje.

Uburyo bwo gutangiza porogaramu zikoresha ubushyuhe bwinshi busaba ko habaho icyiciro cyo gushyushya mbere yo kuzimya, akenshi hakoreshejwe API Plan 32 external flush cyangwa API Plan 62 steam quench. Isanduku ya pompe n'icyumba cyo gufunga bigomba gushyushywa ku kigero ntarengwa cya 50°C ku isaha kugira ngo hirindwe ko ubushyuhe bugera ku maso ya silicon carbide acika intege. Gukurikirana buri gihe ubushyuhe bwa flush n'umuvuduko wa seal chamber ni ingenzi cyane kugira ngo amazi agume nibura kuri 15°C munsi y'umuvuduko wa vapour wayo, hirindwa ko amazi ahinduka cyangwa ngo yumuke ku maso ya seal.

Gahunda y'ibyemezo byo guhitamo ikirango

Guhindura icyuma gifunga icyuma bisaba isuzuma ryimbitse ry’imiterere y’ibikorwa, amateka y’ibyangiritse, n’ikiguzi cy’ubuzima bwose. Urwego rw’ibyemezo bihamye rwemererainjeniyeri zizewe mu ngandagusobanura amafaranga y'ingenzi yakoreshejwe mu buryo buboneye, hapimwa igiciro cya mbere cyo kugura ugereranyije n'amafaranga azigamye mu gihe kirekire.

Urutonde rw'ibizamini byo gusaba

Iyi matrix ikurikira ikora nk'urutonde rw'ibanze rw'ikoreshwa kugira ngo harebwe niba agakoresho k'icyuma gafunga ari igisubizo cya tekiniki gikenewe kuri sisitemu yo gupompa.

Iyo hari ikintu kimwe muri uru rutonde cyujujwe, imiterere y’icyuma gikoreshwa mu gupfunyika ishobora gutuma gitakaza agaciro imburagihe, bigatuma igishushanyo mbonera cy’icyuma gipfunyika kiba amahitamo meza mu rwego rwa tekiniki no mu rwego rw’imari.

Ingaruka, Kuyubahiriza Amategeko, Igihe cyo Kuruhuka, n'Ikiguzi cyo Gusimbuza

Uretse ibisobanuro bya tekiniki, icyemezo kigomba kuba gikubiyemo kugabanya ibyago, kubahiriza ibidukikije, no gukora imashini muri rusange. Mu turere tugengwa n'amategeko akaze agenga ibidukikije, imashini zifunga ibyuma zigira uruhare runini mu kugabanya imyuka ihumanya ikirere, zikomeza kugabanya imyuka ihumanya ikirere (VOC) iri munsi cyane y'umubare ntarengwa wa 500 ppm ugenwa na EPA n'izindi nzego mpuzamahanga zingana nazo.

Nubwo ikiguzi cy'ibanze cya karitsiyo ishobora kuva ku madolari 2,500 kugeza ku madolari 8,000 bitewe n'ingano y'icyuma n'umugozi, isesengura ry'imari rigomba kuba rireba ikiguzi cyo kwirinda guhagarara. Mu nganda zikora ibikorwa bitandukanye nko gutunganya peteroli cyangwagutunganya peteroli, ikosa rimwe rya pompe rishobora gutuma umusaruro ubura amafaranga arenga $10.000 ku isaha. Mu gukuraho kwangirika kwa elastomer, gukumira gushyuha kw'imigozi, no kurokoka ubushyuhe, ifunga ry'icyuma rigabanya cyane inshuro zo gushwanyagurika kwa pompe. Amaherezo, iyo ikoreshejwe ahantu hakwiye serivisi zidasanzwe, ikiguzi cyose cyo gutunga (TCO) ku ifunga ry'icyuma rigabanya cyane ugereranyije n'iry'ifunga ry'icyuma mu gihe cy'imyaka itanu.

Ibintu by'ingenzi byakunzwe

• Imyanzuro y'ingenzi n'impamvu nyamukuru ku byerekeye Metal Bellow Mechanical Seal
• Ibisobanuro, kubahiriza amategeko, n'igenzura ry'ingaruka bikwiye kwemezwa mbere yo kwiyemeza
• Intambwe zikurikiraho zifatika n'ibyo abasomyi bashobora gushyira mu bikorwa ako kanya

Ibibazo Bikunze Kubazwa

Ni ryari nkwiye guhitamo agapfundikizo k'icyuma gakozwe mu byuma?

Ikoreshe igihe ipompo zihura n'ubushyuhe bukabije, imiti ikaze, umuvuduko mwinshi w'umuvuduko, cyangwa igihe impeta za elastomer O-rings zananiwe kubera kumanika cyangwa gushyuha.

Ni ubuhe bushyuhe bushobora guterwa n'icyuma gifunga icyuma?

Imiterere isanzwe ikoze mu buryo bwa "single-ply edge-welded" ifata ubushyuhe buri hagati ya -75°C na 400°C, bigatuma iba ikwiriye gukoreshwa mu buryo bushyuha cyane kandi bukoresha ubushyuhe bwinshi.

Ese imashini zifunga ibyuma zikoreshwa mu kugabanya ubushyuhe ni nziza ku imashini zikoresha imiti n'ibinyabutabire?

Yego. Ifu yazo ya static metallic secondary seal irinda kwibasirwa na elastomer, bityo ikora neza muri aside, solvents, na caustic services.

Ese imitako y'icyuma ishobora gukoreshwa mu byuma bitose cyangwa mu bintu bikomeye birimo?

Yego, cyane cyane imiterere y’imashini zizunguruka zikoreshwa mu byuma bifite ibintu bikomeye bigera kuri 10%, ariko gusohora amazi mu buryo bw’ibanze bigomba gukuraho imyanda y’icyuma n’umuyoboro w’amazi.

Ese Victor Seals ishobora gutanga seal z'icyuma zisimbura iz'ibicuruzwa bya OEM pompe?

Yego. Victor Seals itanga seal zijyanye na OEM kandi zisimbura izindi ku bigo nka IMO, Alfa Laval, Grundfos, APV, Flygt, Fristam, Lowara, na Allweiler.