Chii chinonzi high purity ball valve?The High Purity Ball Valve is a flow control device inosangana nezviyero zvemaindasitiri zvezvinhu uye dhizaini purity.Mavharuvhu muhutsanana hwepamusoro anoshandiswa mundima mbiri huru dzekushandisa:
Izvi zvinoshandiswa mu "maitiro ekutsigira" akadai sekugadzirisa kuchenesa mhepo yekuchenesa uye kutonga kwekushisa.Muindasitiri yemishonga, mavharuvhu ebhora haatomboshandiswa mumashandisirwo kana maitiro angangosangana zvakananga nechigadzirwa chekupedzisira.
Ndeipi chiyero cheindasitiri chepamusoro-soro mavharuvhu? Indasitiri yemishonga inowana maitiro ekusarudza mavharuvhu kubva kunzvimbo mbiri:
ASME/BPE-1997 igwaro rinogara richibuda rinofukidza magadzirirwo uye mashandisirwo emidziyo muindasitiri yemishonga. Iyi chiyero inoitirwa dhizaini, zvinhu, kuvaka, kuongorora uye kuyedzwa kwemidziyo, pombi nezvimwe zvine chekuita nazvo semapombi, mavharuvhu uye mafittings anoshandiswa muindasitiri yebiopharmaceutical. uye chikamu chakakosha chekugadzira zvigadzirwa, senge mvura yejekiseni (WFI), Yakachena mhepo, ultrafiltration, yepakati chigadzirwa kuchengetedza uye centrifuges. "
Nhasi, indasitiri inovimba neASME/BPE-1997 kuona magadzirirwo evharuvhu yebhora kune asiri-chigadzirwa kusangana application.
Mavharuvhu anowanzoshandiswa mu biopharmaceutical process systems anosanganisira mavharuvhu ebhora, diaphragm mavharuvhu, uye cheki mavharuvhu.Iri gwaro reinjiniya richangogumira kuhurukuro yemavharuvhu ebhora.
Kugadziriswa inzira yekutonga yakagadzirirwa kuve nechokwadi chekuberekazve kwechigadzirwa chakagadziriswa kana kuumbwa.Purogiramu inoratidza kuyera uye kutarisa mechanical process components, nguva yekugadzira, tembiricha, kudzvanywa uye mamwe mamiriro ezvinhu.Kamwe hurongwa uye zvigadzirwa zvegadziriro iyoyo zvakaratidzwa kuti zvinodzokororwa, zvikamu zvose nemamiriro ezvinhu zvinoonekwa sezvibvumirano.Hapana shanduko inogona kuitwa kune yekupedzisira "package systems" (process systems) pasina maitiro ekugadzirisa.
Panewo nyaya dzine chekuita nekuongororwa kwezvinhu.An MTR (Material Test Report) chirevo chinobva kumugadziri wekukandira chinonyora kuumbwa kwekukandwa uye chinoona kuti chakabva pane chakanangana nekukandwa kwacho.Iyi nhanho yekutsvagisa inodiwa mune zvese zvakakosha zvekuisa pombi dzemvura mumaindustries akawanda.Mavharuvhu ese akapihwa kune akabatanidzwa emishonga yeMTR.
Vagadziri vezvinhu zvezvigaro vanopa mishumo yezvakagadzirwa kuti vave nechokwadi chekutevedzera zvigaro nemitemo yeFDA.(FDA/USP Kirasi VI) Zvinhu zvinogamuchirwa zvigaro zvinosanganisira PTFE, RTFE, Kel-F neTFM.
Ultra High Purity (UHP) izwi rinoitirwa kusimbisa kudiwa kwehutsanana hwakanyanya.Iri izwi rinoshandiswa zvakanyanya mumusika wesemiconductor uko kunodiwa huwandu hwakakwana hwezvikamu zviri murwizi runoyerera.Mavharuvha, pombi, mafirita, uye zvinhu zvakawanda zvinoshandiswa mukuvaka kwavo zvinowanzosangana nechiyero ichi cheUHP kana chagadzirwa, chaiswa mukati, uye chinobatwa pasi pemamiriro chaiwo.
Iyo semiconductor indasitiri inowana magadzirirwo evharuvhu kubva mukuunganidzwa kwemashoko anotungamirirwa neboka reSemaSpec.Kugadzirwa kwe microchip wafers kunoda kuomerera kwakanyanyisa kumitemo yekubvisa kana kuderedza kusvibiswa kubva kune zvimedu, kubuda uye unyoro.
Iyo SemaSpec yakajairwa inodonongodza kwainobva chizvarwa chechikamu, saizi yechikamu, gasi sosi (kuburikidza nevharuvhu yakapfava musangano), helium kuvuza kuyedzwa, uye hunyoro mukati nekunze kwemuganho wevharuvhu.
Mavharuvhu ebhora anonyatso kuratidzwa muakaomesesa maapplication.Mamwe mabhenefiti akakosha ekugadzirwa uku anosanganisira:
Mechanical Polishing - Mapolish, mawelds uye maface ari kushandiswa ane maitiro akasiyana epamusoro kana akatariswa pasi pegirazi rinokudza.Mechanical polishing inoderedza mitsetse yese yepasi, makomba nekusiyana kuita roughness.
Mechanical polishing inoitwa pamichina inotenderera uchishandisa alumina abrasives.Mechanical polishing inogona kuwanikwa nemaoko maturusi enzvimbo dzakakura dzepamusoro, dzakadai semareactors nemidziyo iri panzvimbo, kana neautomatic reciprocators for pombi kana tubular parts.A series of grit polishes anoshandiswa mukutevedzana kwakatsetseka kusvika painoda kupera kana kushata kwepamusoro kwaitwa.
Electropolishing ndiko kubviswa kwe microscopic irregularities kubva panzvimbo yesimbi nenzira dze electrochemical.Zvinokonzera kupfava kana kuti kutsvedzerera kwepamusoro zvekuti, kana ikatariswa pasi pegirazi rinokudza, inoita kunge isina chinhu.
Simbi isina tsvina inongogara isingadzivirirwe nekuora nekuda kweiyo yakakwira chromium (kazhinji 16% kana kupfuura musimbi isina tsvina). Electropolishing inosimudzira ichi kurwisa kwechisikigo nekuti iyo nzira inonyungudutsa yakawanda iron (Fe) kupfuura chromium (Cr) .Izvi zvinosiya mazinga akakwirira echromium panzvimbo yesimbi.
Mhedzisiro yemhando ipi neipi yekupukuta ndiyo kusikwa kwe "smooth" surface inotsanangurwa sevhareji roughness (Ra) .Maererano neASME / BPE;"Ese polishes icharatidzwa muRa, microinches (m-in), kana micrometers (mm)."
Kutsvedzerera kwepamusoro kunowanzoyerwa neprofilometer, chiridzwa chine otomatiki chine stylus-style chinodzoreredza ruoko.Chinyoreso chinopfuudzwa nepakati pesimbi kuti chiyere kureba kwenhongonya nekudzika kwemupata.Avhareji yekukwirira kwepamusoro uye kudzika kwemupata kunozoratidzwa sehutsinye hwemaavhareji, inoratidzwa mumillionths yema inch kana microinches, inowanzonzi Ra.
Hukama huri pakati penzvimbo yakakwenenzverwa uye yakakwenenzverwa, nhamba yezviyo zvinokushwa uye kushata kwepamusoro (electropolishing isati yatanga uye mushure) inoratidzwa patafura iri pazasi.(Kubva paASME/BPE, ona Tafura SF-6 mugwaro rino)
Micrometers ndeyeEuropean standard standard, uye metric system yakaenzana ne microinches.Imwe microinch yakaenzana neanenge 40 micrometers. Muenzaniso: Kupera kunotsanangurwa se 0.4 microns Ra yakaenzana ne 16 micro inches Ra.
Nekuda kwekushanduka-shanduka kwekugadzirwa kwevhavha yebhora, inowanikwa nyore nyore mune zvakasiyana-siyana zvechigaro, chisimbiso uye zvinhu zvemuviri.Naizvozvo, mavharuvhu ebhora anogadzirwa kuti atore mvura inotevera:
Iyo biopharmaceutical industry inofarira kuisa "sealed systems" pese pazvinogoneka.Extended Tube Outside Diameter (ETO) connections are in-line welded kuti abvise kusvibiswa kunze kwevharuvhu / pombi muganhu uye kuwedzera kuoma kune piping system.Tri-Clamp (hygienic clamp connection) inopera kuwedzera kushanduka kune imwe nzira yepiping-inotengeswa inogona kuiswa nyore nyore kuC-disamp. ed uye yakagadziridzwa zvakare.
Cherry-Burrell fittings pasi pemazita emhando "I-Line", "S-Line" kana "Q-Line" inowanikwawo kune yakakwirira kuchena masisitimu senge indasitiri yechikafu / chinwiwa.
Yakawedzerwa Tube Kunze Diameter (ETO) inogumira inobvumira mu-line welding yevharuvhu kupinda piping system.ETO inopera yakakura kuti ienderane nepombi (pombi) system dhayamita uye rusvingo ukobvu.Iyo yakawedzera chubhu kureba inogadzirisa orbital weld misoro uye inopa hurefu hwakakwana kudzivirira kukuvadzwa kwevharuvhu chisimbiso chemuviri nekuda kwekupisa kwekupisa.
Mavharuvhu ebhora anoshandiswa zvakanyanya mukugadzira mavharuvhu nekuda kwekusiyana-siyana kwawo.Mavharuvhu eDiaphragm ane tembiricha shoma uye basa rekumanikidza uye haazadzise zviyero zvese zvemavharuvhu eindasitiri.Mavharuvhu ebhora anogona kushandiswa:
Pamusoro pezvo, chikamu chepakati chebhora chevhavha chinobviswa kubvumira kupinda mukati weld bead, iyo inogona kubva yacheneswa uye / kana kupukutwa.
Kudhirowa kwakakosha kuti urambe uchiita kuti idzo dzirambe dzakachena uye dzakasvibiswa. ining yakwana.
Nzvimbo yakafa mumamiriro ekuputika inotsanangurwa se groove, tee, kana kuwedzerwa kubva kune iyo pombi yePIPE iSecures. inowanikwa neyakawandisa vhezheni uye yekupa midziyo.
Zvidzitiro zvemoto zvakagadzirirwa kudzivirira kupararira kwezvinwiwa zvinopfuta muchiitiko chekugadzirisa mutsara wemoto.Kugadzirwa kunoshandisa chigaro chesimbi kumashure uye anti-static kudzivirira kupisa.The biopharmaceutical uye cosmetic industries inowanzofarira madhamu emoto mumagetsi ekutumira doro.
FDA-USP23, Kirasi VI yakatenderwa bhora vharafu chigaro zvinhu zvinosanganisira: PTFE, RTFE, Kel-F, PEEK uye TFM.
TFM ikemikari yakagadziridzwa PTFE inovhara mukaha uripo pakati pechinyakare PTFE uye inonyunguduka-inogadziriswa PFA.TFM inoiswa sePTFE maererano neASTM D 4894 uye ISO Draft WDT 539-1.5.
Zvigaro zvakazadzwa neCavity zvakagadzirirwa kudzivirira kuvakwa kwezvinhu izvo, kana zvakavharirwa pakati pebhora nemuviri wemuviri, zvinogona kusimbisa kana kuti kukanganisa kushanda zvakanaka kwevhavha yekuvhara nhengo.High-purity ball valves inoshandiswa mubasa remhepo haifaniri kushandisa iyi sarudzo yechigaro chekugadzirisa, sezvo steam inogona kuwana nzira pasi pechigaro chechigaro uye inova nzvimbo yekukura kwebhakitiriya.Nekuda kweiyo, nzvimbo iyi yakaoma-yakaoma-kubvisa mafiritsi.
Mavharuvhu ebhora ndeechikamu che "rotary valves".Kuitira otomatiki kushanda, marudzi maviri emagetsi anowanikwa: pneumatic uye electric.Pneumatic actuators inoshandisa piston kana diaphragm yakabatana neinotenderera michina senge rack uye pinion kurongeka kuti ipe rotational inobuda torque.Electric actuators anowanikwa mune giya remhando dzakasiyana siyana uye mavharuvhu anowanikwa mune zvakasiyana-siyana mavharuvhu. "Maitiro eKusarudza Bharavhavha Actuator" gare gare mubhuku rino.
Yakakwira Purity Bhora Mavharuvhu anogona kucheneswa nekuiswa kuBPE kana Semiconductor (SemaSpec) zvinodiwa.
Kucheneswa kwekutanga kunoitwa uchishandisa ultrasonic yekuchenesa sisitimu inoshandisa yakatenderwa alkaline reagent yekutonhora kuchenesa uye kubvisa mafuta, ine yakasara-isina formula.
Zvikamu zvine kudzvanya zvinoratidzwa nenhamba yekupisa uye zvinoperekedzwa nechitupa chakakodzera chekuongorora.A Mill Test Report (MTR) inorekodhwa pahukuru hwega hwega nenhamba yekupisa.Mapepa aya anosanganisira:
Dzimwe nguva mainjiniya ekugadzirisa vanoda kusarudza pakati pepneumatic kana magetsi mavharuvhu ekugadzirisa maitiro ekugadzirisa maitiro.Marudzi ose emagetsi ane zvakanakira uye zvakakosha kuva nedheta iripo kuita sarudzo yakanakisisa.
Basa rekutanga pakusarudza rudzi rwe actuator (pneumatic kana electric) nderekuona simba rinonyanya kushanda remugadziriso.Mapoinzi makuru ekutarisisa ndeaya:
Iyo inonyanya kushandiswa kwepneumatic actuators inoshandisa mhepo yemhepo ye40 kusvika ku120 psi (3 kusvika ku8 bar) .Kazhinji, ivo vakakura kuti vape kumanikidzwa kwe60 kusvika ku80 psi (4 kusvika ku6 bar) .Kudzvinyirira kwemhepo yepamusoro kunowanzova kwakaoma kuvimbisa, nepo kuderera kwemhepo kunoda mapistoni makuru ediaphragm kana diaphragms kuti ibudise torque inodiwa.
Magetsi emagetsi anowanzo shandiswa aine 110 VAC simba, asi anogona kushandiswa neakasiyana eAC neDC mota, ese ari maviri uye matatu-chikamu.
tembiricha range.Zvese pneumatic uye magetsi actuators anogona kushandiswa pamusoro yakafara tembiricha range.The standard tembiricha range for pneumatic actuators is -4 kusvika 1740F (-20 kusvika 800C), asi inogona kuwedzerwa kusvika -40 kusvika 2500F (-40 kusvika 1210C) nesarudzo zvisimbiso, mabheji emagetsi anoshandiswa, mavharuvhu emagetsi, nezvimwewo. vanogona kunge vane tembiricha yakatarwa zvakasiyana pane iyo actuator, uye izvi zvinofanirwa kuverengerwa mune zvese zvikumbiro.Mukuderera kwekushisa kwekushanda, hutano hwemhepo hunoenderana nedova hunofanira kufungwa.Dew point ndiyo tembiricha iyo condensation inoitika mumhepo.Condensation inogona kusungira uye kuvhara mutsara wemhepo, kudzivirira iyo actuator kubva kushanda.
Magetsi emagetsi ane tembiricha ye -40 kusvika 1500F (-40 kusvika 650C) .Kana yakashandiswa kunze, magetsi emagetsi anofanirwa kuparadzaniswa kubva kune zvakatipoteredza kudzivirira unyoro kubva pakupinda mukati mekushanda kwemukati.Kana condensation inotorwa kubva pamagetsi emagetsi, condensation inogona kunge ichiri kuumba mukati, iyo inogona kunge yakaunganidza mvura inonaya inonaya, iyo inotonhorera mukati memoto isati yatanga, iyo inotonhora isati yaitwa. haisi kumhanya, kushanduka kwekushisa kunogona kuita kuti mamiriro ezvinhu "afeme" uye awedzere.Saka, magetsi ose emagetsi ekushandiswa kwekunze anofanira kunge akashongedzerwa nemoto.
Dzimwe nguva zvinonetsa kururamisa kushandiswa kwemagetsi emagetsi munzvimbo dzine njodzi, asi kana mhepo yakamanikidzwa kana pneumatic actuators isingakwanise kupa maitiro ekushanda anodiwa, magetsi emagetsi ane dzimba dzakarongedzerwa zvakakodzera anogona kushandiswa.
Sangano reNational Electrical Manufacturers Association (NEMA) rakaita nhungamiro yekuvaka nekuiswa kwemaatomu emagetsi (nemimwe midziyo yemagetsi) kuti ishandiswe munzvimbo dzine njodzi.NEMA VII nhungamiro ndeiyi:
VII Hazardous Location Kirasi I (Gasi Rinoputika kana Vapor) Inosangana neNational Electrical Code yezvikumbiro;inosangana nezvinodiwa neUnderwriters' Laboratories, Inc. kuti ishandiswe nepeturu, hexane, naphtha, benzene, butane, propane, acetone, Atmospheres of benzene, lacquer solvent vapors uye gasi.
Vanenge vese vagadziri vemagetsi actuator vane sarudzo yeNEMA VII inoenderana vhezheni yeyakajairwa chigadzirwa mutsara wavo.
Kune rumwe rutivi, pneumatic actuators inoberekwa inoputika-uchapupu.Apo magetsi emagetsi anoshandiswa nemagetsi emhepo munzvimbo dzine ngozi, kazhinji anodhura zvakanyanya kudarika magetsi emagetsi.Iyo solenoid-operated pilot valve inogona kuiswa munzvimbo isina ngozi uye pombi kune actuator.Limit switches yepneumondi -VII inoiswa panzvimbo yekuchengetedzwa kweEma inoiswa. umatic actuators munzvimbo dzine njodzi dzinovaita sarudzo inoshanda mune izvi maapplication.
Chitubu chinodzoka.Imwe kuchengetedzwa kwekuchengetedza iyo inoshandiswa zvakanyanya mumagetsi emagetsi mumhizha yekushanda ndeyekudzoka kwechitubu (kukundikana kwakachengeteka) sarudzo.Muchiitiko chekukundikana kwesimba kana chiratidzo, chitubu chekudzoka kwechitubu chinotyaira valve kune yakafanotemerwa nzvimbo yakachengeteka.Iyi isarudzo inoshanda uye isingadhuri yepneumatic actuators, uye chikonzero chikuru nei pneumatic inoshandiswa mukati meindasitiri yakawanda.
Kana chitubu chisingakwanisi kushandiswa nekuda kwehukuru hwe actuator kana uremu, kana kana kaviri acting unit yakaiswa, accumulator tank inogona kuiswa kuchengetedza mhepo.