Kusarudza zvinhu zvechisimbiso chako kwakakosha sezvo ichaita basa pakuona mhando, hupenyu uye kushanda kwechikumbiro, uye kuderedza matambudziko mune ramangwana.Pano, isu tinotarisa kuti zvakatipoteredza zvichakanganisa sei kusarudzwa kwezvinhu zvechisimbiso, pamwe nezvimwe zvezvinhu zvakajairika uye kuti ndeapi maapplication aanonyanya kukodzera.
Zvinhu zvakatipoteredza
Iyo nharaunda iyo chisimbiso icharatidzwa kwairi yakakosha pakusarudza dhizaini uye zvinhu.Kune huwandu hwezvinhu zvakakosha izvo zvisimbiso zvinodikanwa kune ese nharaunda, kusanganisira kugadzira yakagadzikana chisimbiso kumeso, inokwanisa kuitisa kupisa, inodzivirira kemikari, uye yakanaka kupfeka kuramba.
Mune dzimwe nzvimbo, zvivakwa izvi zvinoda kusimba kupfuura mune mamwe.Zvimwe zvinhu zvemukati izvo zvinofanirwa kuverengerwa kana uchifunga nezvezvakatipoteredza zvinosanganisira kuoma, kuomarara, kuwedzera kwemafuta, kupfeka uye makemikari kuramba.Kuchengeta izvi mupfungwa kuchakubatsira iwe kuwana iyo yakakodzera zvinhu zvechisimbiso chako.
Mamiriro ezvinhu anogonawo kuona kana mutengo kana kunaka kwechisimbiso kunogona kuiswa pamberi.Kune nharaunda dzine abrasive uye dzakakasharara, zvisimbiso zvinogona kudhura nekuda kwezvinhu zvinoda kusimba zvakakwana kuti zvimirire mamiriro aya.
Kune nharaunda dzakadai, kushandisa mari yechisimbiso chemhando yepamusoro kuchazvibhadhara nekufamba kwenguva sezvo zvichibatsira kudzivirira kuvharika kunodhura, kugadzirisa, nekugadzirisa kana kutsiviwa kwechisimbiso chinozoguma nechisimbiso chemhando yakaderera. Zvisinei, mukupomba maapplication ne mvura yakachena kwazvo ine zvivakwa zvekuzora, chisimbiso chakachipa chinogona kutengwa chichifarira mabheji emhando yepamusoro.
Common chisimbiso zvinhu
Carbon
Carbon inoshandiswa muzviso zvechisimbiso musanganiswa weamorphous kabhoni uye graphite, ine zvikamu zveimwe neimwe inotaridza zvimiro zvemuviri pagiredhi rekupedzisira rekabhoni.Chinhu chisina kusimba, chakatsiga chinogona kuzvizora.
Iyo inoshandiswa zvakanyanya seimwe yezviso zvekupedzisira mumakina zvisimbiso, uye zvakare iri chinhu chakakurumbira zvinhu zvezvikamu zvakakamurwa zvisimbiso uye mhete dzepiston pasi pekuoma kana mashoma mashoma ekuzora.Iyi kabhoni / graphite musanganiswa inogonawo kuiswa pamwe nezvimwe zvinhu kuti zvipe zvakasiyana siyana senge kuderedzwa porosity, kuvandudza kupfeka kuita kana kuvandudzwa simba.
Iyo thermoset resin yakamisikidzwa kabhoni seal ndiyo inonyanyo zivikanwa pazvisimbiso zvemuchina, ine resin yakawanda yakaiswa kabhoni inokwanisa kushanda mumhando dzakasiyana dzemakemikari kubva kumabhesi akasimba kusvika kune yakasimba acids.Ivo zvakare vane yakanaka frictional properties uye inokwana modulus yekubatsira kudzora kudzvinyirirwa.Nyaya iyi inokodzera kuita 260°C (500°F) mumvura, zvinotonhodza, zvituru, oiri, zvigadziriso zvemakemikari akareruka, uye kushandiswa kwechikafu nezvinodhaka.
Antimony yakamisikidzwa kabhoni seals yakaratidzawo kubudirira nekuda kwesimba uye modulus yeantimony, zvichiita kuti ive yakanaka kune yakanyanya kudzvanywa maapplication kana chinhu chakasimba uye chakaomarara chinodiwa.Zvisimbiso izvi zvakare zvinoshingirira kubhuroka mumashandisirwo ane yakakwira viscosity fluid kana light hydrocarbons, zvichiita kuti ive giredhi rakajairwa kune akawanda ekunatsa maapplication.
Carbon inogona zvakare kuisirwa nemafirimu ekutanga senge fluorides yekuoma kumhanya, cryogenics uye vacuum application, kana oxidation inhibitors senge phosphates yekupisa kwakanyanya, kumhanya kwakanyanya, uye turbine application kusvika 800ft/ sec uye kutenderera 537°C (1,000°F).
Ceramic
Ceramics inorganic isiri-metallic zvinhu zvakagadzirwa kubva kune zvakasikwa kana synthetic komisheni, kazhinji alumina oxide kana alumina.Iyo ine yakakwira kunyungudika, kuomarara kwepamusoro, kushomeka kwepamusoro uye kuramba oxidation, saka inoshandiswa zvakanyanya mumaindasitiri akadai semichina, makemikari, petroleum, mishonga uye mota.
Iyo zvakare ine yakanakisa dielectric zvimiro uye inowanzoshandiswa kune magetsi insulators, kupfeka isingagadzike zvikamu, kugaya midhiya, uye yakakwirira tembiricha zvikamu.Mukucheneswa kwakanyanya, alumina ine yakanakisa makemikari kuramba kune akawanda magadzirirwo emvura kunze kwemamwe maasidhi akasimba, zvichiita kuti ishandiswe mumakanika akawanda ekuisa chisimbiso.Nekudaro, alumina inogona kutsemuka zviri nyore pasi pekuvhunduka kwekushisa, iyo yakadzora kushandiswa kwayo mune mamwe maapplication apo iyi inogona kunge iri nyaya.
Silicon carbide inogadzirwa nekusanganisa silica uye coke.Ikemikari yakafanana neceramic, asi ine hunhu huri nani hwekuzora uye yakanyanya kuoma, zvichiita kuti ive yakanaka yakaoma-kupfeka mhinduro kune dzakaoma nharaunda.
Inogona zvakare kupetwa uye kukwenenzverwa kuitira kuti chisimbiso chigone kuvandudzwa kakawanda pamusoro pehupenyu hwayo.Inowanzo shandiswa zvakanyanya mumakina, senge mumakina zvisimbiso kune yakanaka makemikari corrosion kuramba, kusimba kwakanyanya, kuomarara kwakanyanya, kunaka kupfeka kuramba, kukwesha kudiki uye kupisa kwakanyanya.
Kana ichishandiswa mechanical seal faces, silicon carbide inoguma nekuvandudzwa kwekuita, kuwedzera kwehupenyu hwechisimbiso, kuderedzwa kwemitengo yekugadzirisa, uye kuderera kwemitengo yekutenderera yemidziyo inotenderera yakaita sematurbines, compressors, uye centrifugal pombi.Silicon carbide inogona kuva nemhando dzakasiyana zvichienderana nekuti yakagadzirwa sei.Reaction yakasungirirwa silicon carbide inoumbwa nekubatanidza silicon carbide zvimedu kune mumwe nemumwe mukuita maitiro.
Iyi nzira haina kunyanya kukanganisa zvakawanda zvemuviri uye zvinopisa zvinhu zvezvinhu, zvisinei zvinogadzirisa kupikisa kwemakemikari kwezvinhu.Mishonga inowanzoitika iyo iri dambudziko ndeye caustics (uye mamwe epamusoro pH makemikari) uye yakasimba acids, uye saka reaction-bonded silicon carbide haifanirwe kushandiswa nezvikumbiro izvi.
Self-sintered silicon carbide inogadzirwa nekuisa sintering silicon carbide zvidimbu zvakananga pamwechete uchishandisa non-oxide sintering aids munzvimbo inert pane tembiricha inopfuura 2,000 ° C.Nekuda kwekushaikwa kwechimwe chinhu chechipiri (senge silicon), iyo yakananga sintered zvinhu inoshingirira mumakemikari kune chero chero mvura uye maitiro mamiriro angangoonekwa mune centrifugal pombi.
Tungsten carbide chinhu chakanyanya kuita zvakasiyana-siyana sesilicon carbide, asi inonyanya kukodzera kune yakanyanya kudzvanywa maapplication sezvo iine yakakwira elasticity iyo inoibvumira kuchinjika zvishoma uye kudzivirira kukanganisa kwechiso.Kufanana nesilicon carbide, inogona kukwizwa zvakare uye kukwenenzverwa.
Tungsten carbides inowanzo gadzirwa semasimende carbides saka hapana kuyedza kusunga tungsten carbide kune pachayo.Imwe simbi yepiri inowedzerwa kusunga kana simendi tungsten carbide zvidimbu pamwechete, zvichiita kuti pave nechinhu chine zvinhu zvakasanganiswa zvese tungsten carbide nesimbi binder.
Izvi zvakashandiswa kune mukana nekupa kusimba kukuru uye simba rekuita kupfuura zvinogoneka ne tungsten carbide chete.Imwe yehutera hwe cemented tungsten carbide ndeyekuwanda kwayo.Munguva yakapfuura, cobalt-bound tungsten carbide yakashandiswa, asi zvishoma nezvishoma yakatsiviwa ne nickel-bound tungsten carbide nekuda kwekushayikwa kwehutano hwemakemikari anodiwa kune indasitiri.
Nickel-bound tungsten carbide inoshandiswa zvakanyanya kune zviso zvisimbiso panodiwa kusimba kwepamusoro uye kuomarara kwepamusoro, uye ine yakanaka kuenderana kwemakemikari kazhinji inoganhurwa nemahara nickel.
GFPTFE
GFPTFE ine yakanaka makemikari kuramba, uye girazi rakawedzerwa rinoderedza kukwesha kwezviso zvekuisa chisimbiso.Yakanakira maapplication akachena uye yakachipa pane zvimwe zvinhu.Kune ma sub-variants anowanikwa kuti aenderane zvirinani chisimbiso kune zvinodiwa uye nharaunda, kuvandudza kuita kwayo kwese.
Buna
Buna (inozivikanwawo se nitrile rubber) inodhura-inoshanda elastomer yeO-mhete, sealants uye zvigadzirwa zvakaumbwa.Inonyatsozivikanwa nekuita kwayo kwemuchina uye inoita zvakanaka mumafuta-based, petrochemical uye makemikari application.Inoshandiswawo zvakanyanya kumafuta asina kuchena, mvura, doro rakasiyana, silicone girisi uye hydraulic fluid application nekuda kwekusachinja kwayo.
Sezvo Buna iri yekugadzira rabha copolymer, inoita zvakanaka mumashandisirwo anoda simbi inonamira uye inodzivirira abrasion zvinhu, uye iyi kemikari kumashure inoita kuti ive yakakodzera kune sealant application.Uyezve, inogona kumira kudziya kwakadzika sezvo yakagadzirwa neasina acid uye yakapfava alkali kuramba.
Buna inogumira mumashandisirwo ane zvinhu zvakanyanyisa zvakaita setembiricha yakakwira, mamiriro ekunze, chiedza chezuva uye zviputi zvekupikisa zviputi, uye haina kufanira neclean-in-place (CIP) sanitizing agents ine acids neperoxides.
EPDM
EPDM irabha rekugadzira rinowanzoshandiswa mumotokari, kuvaka uye michina yekushandisa zvisimbiso uye O-mhete, tubing uye washers.Inodhura kudarika Buna, asi inogona kumira zvakasiyana-siyana zvekupisa, mamiriro ekunze uye mechanical properties nekuda kwekugara kwenguva refu kwesimba rakasimba.Inoshandiswa zvakasiyana-siyana uye yakanakira zvikumbiro zvinosanganisira mvura, chlorine, bleach uye zvimwe alkaline zvinhu.
Nekuda kweiyo elastic uye inonamatira zvimiro, kana yakatambanudzwa, EPDM inodzokera kune yayo yekutanga chimiro zvisinei nekupisa.EPDM haikurudzirwe kumafuta epetroleum, zvinwiwa, chlorinated hydrocarbon kana hydrocarbon solvent applications.
Viton
Viton inogara kwenguva refu, yakakwirira-performance, fluorinated, hydrocarbon rubber chigadzirwa chinowanzoshandiswa muO-Rings uye zvisimbiso.Inodhura kupfuura zvimwe zvinhu zverabha asi ndiyo sarudzo inosarudzika kune yakanyanya kunetsa uye inodiwa yekuisa chisimbiso.
Inopikisa ozone, oxidation uye yakanyanyisa mamiriro ekunze, kusanganisira zvinhu zvakaita sealiphatic uye anonhuwirira hydrocarbons, halogenated fluid uye yakasimba asidhi zvinhu, ndeimwe yeakanyanya kusimba fluoroelastomers.
Kusarudza chinhu chakakodzera chekuisa chisimbiso chakakosha pakubudirira kwekushandisa.Kunyange zvazvo zvinhu zvakawanda zvechisimbiso zvakafanana, chimwe nechimwe chinoshandisa zvinangwa zvakasiyana-siyana kuti zvizadzise chero chinodiwa.
Nguva yekutumira: Jul-12-2023