Agaciro gakunze gukoreshwa ibikoresho bitari ibyuma reba uburyo bwo guhuza hagati yumuriro wamashanyarazi na buri valve

Agaciro gakunze gukoreshwa ibikoresho bitari ibyuma reba uburyo bwo guhuza hagati yumuriro wamashanyarazi na buri valve

Ethylene propylene reberi yicaye ubushyuhe ni -28 ¡æ ~ 120¡æ. EPDM isobanura terpolymer ya Ethylene, propylene, na diene, bakunze kwita EPT Nordell. Kurwanya ozone nziza no guhangana nikirere, imikorere myiza yumuriro wamashanyarazi, kurwanya neza imiyoboro ya polar hamwe nibitangazamakuru bidasanzwe. Kubwibyo, irashobora gukoreshwa munganda za HVAC, amazi, ester ya fosifate, inzoga, Ethylene glycol, nibindi.
Valve isanzwe ikoreshwa ibikoresho bitari ibyuma
Mwaramutse, reberi ya nitrile
Intebe ya Nitrile intebe yerekana ubushyuhe ni -18 ¡ã C kugeza 100 ¡ã C. Nanone bakunze kwita, NITRILE, cyangwa HYCAR. Nibikoresho bya reberi bikwiranye namazi, gaze, amavuta namavuta, lisansi (usibye lisansi irimo inyongeramusaruro), inzoga na Ethylene glycol, gaze ya peteroli ya lisansi, propane na butane, amavuta ya lisansi nibindi bitangazamakuru byinshi. Ifite kandi imyambarire myiza yo kurwanya no guhindura ibintu. Urwego rwibiryo (FG) nitrile rubber intebe yubushyuhe buringaniye ni -18¡æ kugeza 82¡æ. Ibigize bihuye na CFR Igipimo cya 21, Igice 177.2600. Irashobora gukoreshwa muburyo busanzwe bwa nitrile reberi ariko bisaba kwemerwa na FDA.
Ethylene propylene rubber EPDM
Ethylene propylene rubber intebe yagereranijwe ubushyuhe ni -28¡æ ~ 120¡æ. EPDM isobanura terpolymer ya Ethylene, propylene, na diene, bakunze kwita EPT Nordell. Kurwanya ozone nziza no guhangana nikirere, imikorere myiza yumuriro wamashanyarazi, kurwanya neza imiyoboro ya polar hamwe nibitangazamakuru bidasanzwe. Kubwibyo, irashobora gukoreshwa munganda za HVAC, amazi, ester ya fosifate, inzoga, Ethylene glycol, nibindi.
Ibyiciro byibiribwa Ethylene propylene reberi intebe yubushyuhe buringaniye ni -28¡æ ~ 120¡æ. Ibigize bihuye na CFR Igipimo cya 21, Igice 177.2600. Irashobora gukoreshwa muburyo busanzwe bwa nitrile reberi ariko bisaba kwemerwa na FDA.
PTFE PTFE
Icyicaro cya Teflon cyapimwe ubushyuhe ni -32 ¡ã C kugeza 200 ¡ã C. Kurwanya cyane ubushyuhe bwinshi no kwangirika kwimiti. Kubera ubwinshi bwa polytetrafluoroethylene, ubwikorezi buhebuje, ariko kandi birashobora gukumira ruswa yibitangazamakuru byinshi byimiti.
Imyitwarire ya TEFLON NIBicuruzwa byahinduwe bya TEflON ituma imiyoboro inyura kumurongo kugirango ikureho INSULATION ZA TEflON. Kubera ubwikorezi bwacyo, polytetrafluoroethylene ikora ntishobora kugeragezwa numuriro wamashanyarazi.
Gushimangira polyteflon RTFE
RTFE ni uguhindura ibikoresho bya PTFE. Nubwo coefficente ya friction ya PTFE isukuye iri hasi cyane (0.02 ~ 0.04), ariko kwambara ni byiza, kandi kubera kunyerera byoroshye, imiterere yubukanishi bubi, ubushobozi buke bwo gutwara, ubushobozi buke buke hamwe nibindi biranga, nkibikoresho byo guterana bifite byinshi aho bigarukira. Gusa guhindura, binyuze muburyo bwo guhuza ibikoresho kugirango byuzuze ibisabwa byihariye byibikoresho bifunga kashe idashobora kwangirika mubyiciro byose, mugutezimbere imyambarire ya PTFE, birashobora kuvangwa nibintu bimwe na bimwe birwanya kwambara nka fibre yibirahure, fibre karubone .
Fluorine rubber Viton
Ubushyuhe buringaniye bwintebe ya fluor ni -18¡æ ~ 150¡æ. Viton ni ikirango cyanditswemo na DuPont Company, naho Fluorel ni ikirango cyanditswemo gihwanye na fluor reberi ya 3M Company. Ibi bikoresho bifite ubushyuhe bwinshi kandi birwanya imiti yangiza. Birakwiriye kubicuruzwa bya hydrocarubone, kwibanda cyane hamwe na acide minerval nyinshi, ariko ntabwo biri mubitangazamakuru byamazi n'amazi (kutarwanya amazi).
Ultra muremure ya polyethylene UHMWPE
Intebe ndende cyane ya polyethylene ifite uburemere buva kuri -32 ¡ã C kugeza kuri 88 ¡ã C. Ibi bikoresho bifite ubushyuhe buke buke kurusha PTFE, ariko buracyafite imiti irwanya imiti. Uhmwpe ifite kandi imbaraga zo kurwanya no kurwanya ruswa, kandi irashobora gukoreshwa mubihe byinshi byo kurwanya kwambara.
Silicone y'umuringa rubber Silicone
Rubber y'umuringa silicone ni polymer ifite amatsinda kama, urunigi nyamukuru rugizwe na atome ya silicon na ogisijeni. Ubushyuhe bwapimwe buri hagati ya -100 ¡ã C kugeza 300 ¡ã C. Ifite ubushyuhe bwiza no kurwanya ubushyuhe, imikorere myiza y’amashanyarazi hamwe nubusembure bunini bwa shimi. Bikwiranye na acide organic hamwe nubushuhe buke bwa acide organique, fata alkali hamwe na alkali yibanze. Ibibi: imbaraga nke za mashini. Nyuma yo kuvura ibirunga birakenewe.
Graphite Graphite
Graphite ni kristu ya karubone, ni ibintu bitari ubutare, ibara ryijimye rya feza, ubuziranenge bworoshye, hamwe nicyuma. Gukomera kwa Mohs ni 1 ~ 2, uburemere bwihariye ni 2.2 ~ 2.3, naho ubwinshi bwinshi ni 1.5 ~ 1.8. Ifite ubushyuhe bwinshi, irwanya okiside, irwanya ruswa, irwanya ubushyuhe bwumuriro, imbaraga nyinshi, ubukana bwiza, imbaraga zo kwisiga cyane, imbaraga zumuriro mwinshi, amashanyarazi hamwe nubundi buryo bwihariye bwumubiri nubumara. Ifite imbaraga zidasanzwe zo kurwanya okiside, kwiyitirira amavuta hamwe na plastike ku bushyuhe bwinshi, hamwe n’amashanyarazi meza, ubushyuhe hamwe na adhesion. Irashobora gukoreshwa nkuzuza cyangwa gukora IMPROver kubikoresho bya reberi, plastike nibikoresho bitandukanye bigizwe nogutezimbere imyambarire, kwihanganira kwikuramo cyangwa gutwara ibikoresho. Igikoresho cya valve, gupakira hamwe nintebe mubusanzwe bikozwe muri grafite.
Igishushanyo cyo hejuru cyo gushonga, kugeza 3000 ¡æ munsi ya vacuum ni ugutangira koroshya bikunda gushonga leta, grafite ihumeka sublimation igera kuri 3600 ¡æ, ibikoresho rusange munsi yubushyuhe bwo hejuru biragabanuka buhoro buhoro, mugihe grafite mubushyuhe kugeza 2000 Æ æ, imbaraga zayo nubushyuhe busanzwe inshuro ebyiri aho, ariko itandukaniro rya okiside irwanya igipimo cya okiside ya grafite yiyongereye buhoro buhoro hamwe nubushyuhe.
Ubushyuhe bwumuriro nubushyuhe bwamashanyarazi ya grafite ni hejuru cyane, ubwikorezi bwayo bwikubye inshuro 4 kurenza ibyuma bitagira umwanda, inshuro 2 kurenza ibyuma bya karubone, inshuro 100 kurenza ibyuma rusange bitari ibyuma. Ubushyuhe bwacyo, ntabwo burenze ibyuma, ibyuma, isasu nibindi bikoresho byuma, ariko hamwe nubushyuhe bwongera ubushyuhe bwumuriro buragabanuka, butandukanye nibikoresho rusange byicyuma, mubushyuhe bwinshi cyane, grafite niyo ikunda kuba adiabatic. Kubwibyo, munsi yubushyuhe bwo hejuru cyane, imikorere ya grafite irashobora kwizerwa cyane. Graphite ifite amavuta meza na plastike, coefficente ya grafitike ya grafitike iri munsi ya 0.1, grafite irashobora gutezwa imbere mumashanyarazi yumucyo, mugice cya mbere cyo gukomera kwa grafite nini cyane, nubwo nibikoresho bya diyama bigoye kuyitunganya. Graphite ifite imiti ihamye, irwanya aside, irwanya alkali, irwanya ibimera byangirika. Bitewe nibintu byavuzwe haruguru bidasanzwe bya grafite, mugukoresha inganda zigezweho bigenda neza cyane.
Uburyo bwo guhuza hagati yumuriro wamashanyarazi na buri valve
Imashanyarazi ikoreshwa cyane cyane na valve, ikoreshwa muri sisitemu yo kugenzura byikora. Hariho ubwoko bwinshi bwamashanyarazi, butandukanye muburyo bwibikorwa. Kurugero, inguni ya mashanyarazi yamashanyarazi nigisohoka inguni ya torque, mugihe amashanyarazi agororotse agororotse niyo asohoka kwimura. Ubwoko bwamashanyarazi muri sisitemu ya porogaramu igomba guhitamo ukurikije akazi ka valve ikeneye.
Uburyo bwo guhuza
I. Guhuza flange:
Ubu ni uburyo busanzwe bwo guhuza bukoreshwa muri valve. Ukurikije imiterere yubuso buhuriweho, irashobora kugabanywamo ibi bikurikira:
1. Ubwoko bworoshye: bukoreshwa kuri valve ifite umuvuduko muke. Gutunganya neza
2, ubwoko bwa convex na convex: umuvuduko mwinshi wakazi, urashobora gukoreshwa mumashanyarazi akomeye
3. Ubwoko bwa Tenon na groove: gasketi ifite disikuru nini ya plastike irashobora gukoreshwa mubitangazamakuru byangirika, kandi ingaruka zo gufunga ni nziza.
4, ubwoko bwa trapezoidal groove: hamwe nicyuma cya oval nkicyuma, gikoreshwa mumuvuduko wakazi wa 64 kg / cm2, cyangwa ubushyuhe bwo hejuru.
5, ubwoko bwa lens: isabune nuburyo bwa lens, bukozwe mubyuma. KUBYIZA BIKURIKIRA BIKORESHEJWE N'IGIKORWA CY'AKAZI 100 kg / CM2, cyangwa ubushyuhe bwo hejuru.
6, O ubwoko bwimpeta: Ubu ni uburyo bushya bwo guhuza flange, bwatejwe imbere hamwe nuburyo bugaragara bwa reberi O impeta, iri muburyo bwo gufunga ifishi yo guhuza.
Babiri, guhuza insanganyamatsiko:
Ubu ni uburyo bworoshye bwo guhuza kandi bukoreshwa kenshi na valve nto. Hariho izindi manza ebyiri:
1, gufunga mu buryo butaziguye: urudodo rwimbere ninyuma rufite uruhare rutaziguye. Kugirango harebwe niba ingingo idatemba, akenshi hamwe namavuta ya gurş, linini hamwe na PTFE ibikoresho byuzuye; Ptfe umukandara wibikoresho fatizo, ikoreshwa ryiyongera ryamamare; Ibi bikoresho bifite imbaraga zo kurwanya ruswa, ingaruka zo gufunga, byoroshye gukoresha no kubika, gusenya, birashobora kuvaho burundu, kuko ni firime idafite viscous, iruta cyane kuyobora amavuta, linini.
2. Gufunga mu buryo butaziguye: imbaraga zo gufatisha imigozi zimurirwa mu cyogero kiri hagati yindege zombi, kugirango uwakaraba agire uruhare rwo gufunga.
Bitatu, guhuza ikarita yikarita:
Ihame no gufunga ihame ryikiganza ni uko iyo umutobe ukomye, urutoki rufata ruri munsi yigitutu, kuburyo impande zarwo zarumye kurukuta rwinyuma rwumuyoboro, hamwe na cone yo hanze yiziritse yegereye cone yumubiri uhuriweho. munsi yigitutu, birashobora rero gukumira byimazeyo kumeneka.
Ibyiza byubu buryo bwo guhuza ni:
1, ubunini buto, uburemere bworoshye, imiterere yoroshye, gusenya byoroshye;
2, guhuza gukomeye, kwaguka kwinshi, birashobora kwihanganira umuvuduko mwinshi (1000 kg / cm2), ubushyuhe bwinshi (650¡æ) hamwe no guhinda umushyitsi
3, irashobora guhitamo ibikoresho bitandukanye, bikwiranye no gukumira ruswa;
4, gutunganya ibyangombwa bisabwa ntabwo biri hejuru; Biroroshye gushira ahirengeye.
Ifishi yo guhuza amaboko yakoreshejwe mubicuruzwa bito bya diameter ya valve mubushinwa.
Bane, guhuza clamp:
NUBURYO BWO GUHUZA IBIKORWA BISABWA BOLT EBYIRI GUSA KANDI BIKWIYE KUBIKURIKIRA BIKURIKIRA BIKURIKIRA.
Gatanu, imbere-kwizirika imbere:
Hejuru yubwoko bwose bwo guhuza, ni ugukoresha imbaraga zo hanze kugirango uhoshe umuvuduko wikigereranyo, kugirango ugere kashe. Ibikurikira bisobanura uburyo bwo kwikuramo kwifashisha igitutu giciriritse. Impeta yacyo ifunga yashyizwe muri cone y'imbere, hamwe n'uruhande rwagati rwinjira mu mfuruka runaka, umuvuduko wo hagati ugana kuri cone y'imbere, hanyuma ukoherezwa ku mpeta ya kashe, mu mfuruka runaka y'ubuso bwa cone, itanga ibice bibiri, kimwe kibangikanye. umurongo wo hagati wumubiri wa valve hanze, ubundi igitutu kurukuta rwimbere rwumubiri. Ibice byanyuma nimbaraga zo kwikuramo imbaraga. Ninshi igitutu giciriritse, niko imbaraga zo kwikuramo. Ubu bwoko bwihuza rero bubereye umuvuduko mwinshi. Ikiza ibintu byinshi nakazi kuruta guhuza flanged, ariko kandi bisaba umubare runaka wa preload, kugirango igitutu muri valve ntikiri hejuru, cyizewe. Umuyoboro wakozwe mwihame ryo kwifungisha neza muri rusange ni umuvuduko mwinshi.
Hariho uburyo bwinshi bwo guhuza valve, kurugero, bamwe ntibagomba gukuraho valve ntoya, gusudira hamwe numuyoboro; Bimwe mubitari ibyuma, ukoresheje sock ihuza, nibindi. Abakoresha Valve bagomba kuvurwa bakurikije ibihe byihariye.