Sei Uchifanira Kusarudza Zvisimbiso zveMetal Bellows Kuti Urege Kuburitsa Zvinhu Zvakaipa?

Nhanganyaya

Sezvo miganhu yekuburitsa zvinhu ichinyanya kusimba pakugadzirisa makemikari, kunatswa, uye kugadzira magetsi, tekinoroji yekuvharira yave chinhu chakakosha mukuita kuti pave nekushanda kwe zero-emission performance. Zvisimbiso zvesimbi zvinoputika zviri kuwana mukurumbira nekuti zvinobvisa nzvimbo dzinowanikwa mumagadzirirwo echinyakare ekusundidzira, kunyanya idzo dzakabatana ne dynamic elastomers uye kufamba kweshaft. Chinyorwa chino chinotsanangura kuti kuvaka kwadzo kunotsigira sei kuburitsa zvinhu zvishoma, kuvimbika kwakasimba, uye kuvharira kwenguva refu zviri nani mumasevhisi anoda simba. Chinotsanangurawo mamiriro ekushanda uye kumanikidzwa kwekutevedzera mitemo kunoita kuti zvisimbiso zvesimbi zvinoputika zvive sarudzo inoshanda kana nguva dzekuchengetedza, kuchengetedzeka, uye kugadzirisa zvese zvichikosha.

Nei Zvisimbiso zveMetal Bellows Zviri Kuva Sarudzo Inodiwa

Kuchinja kwekuenda kunzvimbo dzeindasitiri dzisina kuburitsa utsi kwakachinja zvakanyanya parameters dzemidziyo inotenderera. Sezvo mitemo iri kuramba ichinyanya kusimba pamusoro peutsi hunobuda, vashandi vari kuramba vachisiya matekinoroji echinyakare ekuvhara utsi anovimba ne dynamic secondary elastomers. Zvisimbiso zvesimbi zvinobata utsi zvakabuda semhinduro chaiyo yekubata utsi zvine simba, zvichibvisa kushaya simba kweO-rings dzinotsvedza.

Mukugadzirisa makemikari, kunatsa, uye kugadzira magetsi,chisimbiso chemakanika chinoshanda sechidziviriro chikurukudzivirira kusvibiswa kwemhepo. Nekushandisa simbi yakasungirirwa pamucheto kupa zvese zviri zviviri kumeso uye seal yechipiri, magadzirirwo esimbi anodarika hysteresis uye shaft fretting izvo zvinowanzo deredza pusher seals nekufamba kwenguva.

Kuchinja kuri kuita miganhu yekuburitsa utsi uye zvinangwa zvekuvimbika

Masangano ezvakatipoteredza pasi rose ari kudzvanya mwero wekubuda kwemhepo inonyungudika (VOC). Kare, mwero wekubuda kwemvura inoyerera wezvikamu zviuru gumi pamiriyoni (ppm) waibvumidzwa mumafekitori ekare emaindasitiri. Mitemo yemazuva ano, inotungamirwa nemitemo yakaita seEPA Method 21 uye mitemo yeEuropean TA-Luft, ikozvino inowanzo vhara kuburitswa kwemhepo inonyungudika yeVOC pa500 ppm, nemabasa ane chepfu akakosha anoda kudziviswa kwakasimba pasi pe100 ppm.

Kuti vasangane nezvinangwa izvi zvakasimba zve zero-emission, mainjiniya ekuvimbika vanoda nzira dzekuvhara dzinochengetedza kukwana kwakakwana kwenguva yakareba pakati pekukundikana (MTBF). Nekuti zvisimbiso zvesimbi zvine simba hazvina dynamic sliding elastomer, hazvinetseki neO-ring compression set kana thermal degradation pasi pe dynamic cycling. Iyi nzira ye static secondary sealing inoita kuti emission containment profile irambe yakati sandara uye ichifanotaurwa muhupenyu hwese hwekushanda kwechisimbiso, ichitsigira zvakananga kuvimbika kweplant rese uye metrics yekutevedzera mitemo.

Apo zvisimbiso zvesimbi zvinopa kukosha kwakanyanya

Zvakanakira zvesimbi zvinosunga masimbi zvinoshandura kukosha kwekushanda munzvimbo dzine zvinhu zvinonyungudika nguva isati yakwana. Mashandisirwo ekupisa kwakanyanya, akadai semapombi emafuta anopisa anoshanda kusvika ku400°C (750°F), anomiririra nzvimbo yekutanga yekuiswa, sezvo zvinhu izvi zvinopisa zvinokanganisa pakarepo maFKM kana FFKM O-rings enguva dzose.

Masevhisi eCryogenic anobatsirikawo zvikuru. Pakupisa kunodzika kusvika -75°C (-103°F) uye pasi, ma elastomers anochinja girazi, obva aoma uye asingakwanise kuchengetedza chisimbiso. Mabhero esimbi anochengetedza modulus yavo yekusimba uye flexural dynamics mukupisa kwakanyanya uku. Uyezve, kana paine zvinhu zvakasimba zvakasungirirwa kana mvura inowanzo polymerize uye coke painosangana nemhepo, kusavapo kwechisimbiso chechipiri chinotsvedza kunodzivirira "kurembera" kunowanzo manikidza chisimbiso kuvhurika, nokudaro kudzivirira kuburitswa kwemhepo yakaipa.

Chii Chinogadzira Zvisimbiso zveMetal Bellows Zvakakodzera Kushandiswa Kwekusaburitsa Magesi

Magadzirirwo akakosha esimbi inotsiva zvikamu zvakawanda zvechisimbiso chemazuva ano che pusher—kunyanya ma springs, dynamic O-ring, uye sliding sleeve—nesimbi imwe chete yakagadzirwa zvakanaka. Iyi mubatanidzwa inoshanda panguva imwe chete sechikamu chechitubu chinoshandisa simba rekuvhara remakanika kumeso kwechisimbiso uye semuganhu wechipiri usingapindike uchipesana nemvura inoyerera.

Mashandiro anoita zvisimbiso zvesimbi zvine muromo uye magadzirirwo akakosha

Chidimbu chesimbi chinoumbwa nekusanganisa ma diaphragm esimbi akanyatsogadzirwa, kana kuti mapepa, padhayamita dzawo dzemukati nedzekunze. Dhizaini iyi ine welded yemucheto inopa mwero wakafanana wechitubu chinoita kuti chitarisiko chienderane pasinei nekufamba kudiki kweshaft axial. Nekuti kubatanidzwa kwebellows kwakaringana ne hydrostatic nekugadzira, process fluid pressure inoshanda padhayamita inoshanda yebellows convolutions pane kumanikidza danho mushaft kana sleeve.

Zvinhu zvakakosha zvekugadzira zvinosanganisirawo maitiro ekuzvichenesa ega. Sezvo chikamu chebellows chichitenderera, masimba ecentrifugal anodzinga zvinhu zvidiki kubva mu convolutions. Izvi zvinodzivirira kuunganidzwa kwemarara ayo aizodzivirira kufamba kwe axial, nzvimbo inowanzo kundikana mumagadzirirwo e multi-spring pushers. Hunhu hwe static hwe secondary seal — kazhinji static gasket kana Grafoil ring — zvinoreva kuti gungano rese rinogona kutevera kupfeka kwechiso kana kuwedzera kwekupisa ipapo ipapo pasina kukunda kukweshana kwe dynamic O-ring.

Ndezvipi zvinhu, mamiriro ekushanda, uye kusanganiswa kwechiso kunokosha?

Kutsanangura chimiro chakakodzera chesimbi kwakakosha kuti pave nekushanda kwe zero-emission service, sezvo mapepa matete (anowanzova 0.10 kusvika 0.15 mm ukobvu) anogona kurwiswa zvakanyanya nengura. Mashandiro akajairika anowanzo shandisa AM350 stainless steel, asi nzvimbo dzine hukasha dzinoda alloys dzepamusoro. Kune masevhisi anodziya zvakanyanya kana anoparadza zvakanyanya, Alloy 718 (Inconel) neAlloy 276 (Hastelloy) ndiwo magadzirirwo akajairika. Kusanganiswa kwechiso kunowanzo batanidza premium Silicon Carbide neCarbon Graphite (yekunyorovesa) kana Tungsten Carbide (yekudzivirira kukuvadza).

Ndezvipi nzira dzekukundikana uye miganhu yekushanda yekufunga nezvazvo

Pasinei nekushanda kwadzo kwakasimba, zvisimbiso zvesimbi zvine miganhu chaiyo yekushanda iyo mainjiniya anofanira kutevedzera. Zvisimbiso zvesimbi zvine ply imwe chete zvinowanzo ongororwa kuti zvinomanikidza kushanda zvakanyanya kubva pa20 kusvika 25 bar (300 kusvika 360 psi). Mukushandiswa kupfuura kumanikidzwa uku, mapepa matete anogona kukanganiswa nekumanikidzwa kana "kusveta." Magadzirirwo eply akawanda anogona kuwedzera muganho uyu kusvika pa60+ bar, asi nekuda kwekuwedzera kwekuoma kwechirimo.

Nzira dzekukundikana muzvisimbiso zvebellows dzinosiyana zvakanyanya nedzepusher seals. Kucheka kwetorsional kunogona kuitika kana viscosity yemvura ikawedzera kana kana zvisimbiso zvikaoma uye zvikabatana, zvichimonyorora mashizha akasungirirwa. Kuneta kunotsemuka ndeimwe njodzi kana shaft ikava nekudengenyeka kwakanyanya kweradial. Chekupedzisira, nepo bellows dzichiramba kubikwa zviri nani pane pusher seals, kuunganidzwa kwakanyanya kwemahydrocarbon akaomeswa pakati pe convolutions kunogona kusimbisa bellows, zvichiita kuti steam idzime mukushandiswa kwemafuta akawanda.

Kuenzaniswa Kwakaitwa Zvisimbiso zveMetal Bellows neMamwe Marudzi eZvisimbiso

Kusarudza chisimbiso chakakodzera chemuchinainoda ongororo yakadzama yekuenzanisa kuti magadzirirwo akasiyana anoita sei kune zvinodzvinyirira mashandiro emagetsi nekufamba kwenguva. Kunyange hazvo zvisimbiso zvesimbi zvine mabhenefiti akasiyana munzvimbo dzakaoma, kunzwisisa nzvimbo yazvo chaiyo yekukwikwidzana nezvinosundidzira uye zvisimbiso zve elastomeric kwakakosha pakuvandudza kuvimbika kwemiti uye kuzadzisa mirairo ye zero-emission.

Ndezvipi zvinodiwa zvinonyanya kuyera kushanda kwe zero-emission

Kuongorora kugona kwechisimbiso chebasa re zero-emission kunoenderana nezvinhu zvitatu zvikuru: mwero wekubuda kwemvura, bandwidth yekupisa, uye MTBF yenguva refu (Mean Time Between Failures). Kubuda kwemvura kunowanzo kuverengerwa muma milliliters paawa (ml/hr) yezvinwiwa kana zvikamu pa miriyoni (ppm) zvemagasi anoshanduka. Kuti chisimbiso chikwanise kushanda sebasa re zero-emission, chisimbiso chinofanira kuratidza nguva dzose kubuda kwemvura pasi pe500 ppm pasi pemitemo yekuyedza yeAPI 682.

Bandwidth yekupisa inoyera kugona kwetekinoroji kuchengetedza kutarisisa kwechiso panguva yekuchinja-chinja kwekushisa pasina kuora kwechisimbiso chechipiri. Chekupedzisira, MTBF inoongorora kushanda kwakasimba; chisimbiso chepamusoro che zero-emission chinofanira kushanda zvakavimbika kwemaawa anopfuura 25,000 (anenge makore matatu) chisati chada kugadziriswa, tichifunga nezvemamiriro ezvinhu akagadzikana ekushanda.

Kuenzaniswa kwesimbi dzinosunga maburi dzinoshandiswa pakusunda uye dzinoshandisa elastomer

Kana zvichienzaniswa nemagadzirirwo akasiyana, zvisimbiso zvesimbi zvinogara panzvimbo yepamusoro yekushanda zvakanyanya. Zvisimbiso zvinosundidzira zvinoshandisa maO-rings anoshanduka anofanira kutsvedza pamwe chete neshaft kuti atsigire kusakara kwechiso. Kutsvedza uku kunokonzera hysteresis—kunonoka mukutevera chiso—uye kunoguma nekutsvedza, izvo zvinopinza shaft kana sleeve, zvichizopedzisira zvagadzira nzira yekubuda kwemvura. Zvisimbiso zve elastomer zvinobvisa kutsvedza asi zvinoganhurirwa zvakanyanya nekuenderana kwemakemikari uye miganhu yekupisa kwerabha (kazhinji inokundikana kupfuura 150°C).

Ndezvipi Zvinoita Kuti Chisimbiso Chesimbi Chiwedzere Kushanda Kwacho

Kubudirira kwe zero-emission performance hakusi kungotenga simbi ine bellow seal chete; zvinoda kutevedzera mainjiniya akaomarara, kuisa, uye mashandiro. Kubatanidza zvisimbiso izvi muchimiro chakavimbika kwazvo kunoita kuti zvakanakira zvedzidziso zvemagadzirirwo e bellows zviwanikwe mumamiriro chaiwo emunda.

Ndezvipi zvinodiwa uye zvinodiwa zvekutevedzera mitemo zvinoshanda

Mwero unonyanya kushandiswa wezvisimbiso zvemakanika muzvikamu zvemafuta, gasi, uye petrochemical iAPI 682 (ISO 21049). Pasi pemutemo uyu, zvisimbiso zvesimbi zvinoiswa muzvikamu zveRudzi B (zvisimbiso zvinotenderera) kana Rudzi C (zvisimbiso zvisingachinji). Kuti zvisaburitswe mumabasa eVOC ane njodzi, vashandi vanowanzo tsanangura marongero maviri eChikamu 2 kana Chikamu 3 (Chirongwa 2 kana 3).

Kurongeka kwechitatu, uchishandisa mvura inovharira ine pressurized barrier fluids, kunovimbisa kuti chero kubuda kwemvura pamusoro pechisimbiso chekutanga kunosanganisira mvura inovharira isina njodzi kwete nzira ine njodzi. Kutevedzera mitemo yenharaunda, senge EPA's Maximum Achievable Control Technology (MACT) standards, kunonyanya kuvimba nekushandisa aya ma API 682-compliant dual-bellows systems.

Matanho api ekuisa uye ekugadzirisa anodzivirira kutadza kwekutanga

Kukundikana kwesimbi dzinosunga masimbi nguva isati yakwana kunowanzoonekwa sekukanganisa kwekuisa kana kuti kusakwana kwezvinodiwa. Nekuti mapepa esimbi anonyanya kukanganiswa nekukanganiswa kwemuchina, mainjiniya anofanira kuona kuti shaft inoyerera haipfuure 0.05 mm (0.002 inches) Total Indicator Reading (TIR). Kuyerera kwakawandisa kunoita kuti simbi dzitendemuke pamafambiro akakwira, zvichikonzera kuneta kwesimbi uye kupwanyika kweweld.

Munguva yedanho rekuongorora, mainjiniya anofanirwa kufunga nezvemafambiro emvura pamhepo. Kune mahydrocarbon anorema anooxidize kana coke kana akasangana nemhepo, kutsanangura API Plan 62 steam quench kwakakosha. Gumbeze remhepo rinodzivirira kuumbwa kweabrasive coke deposits parutivi rwemhepo rwemapepa ebellows, izvo zvaizodzivisa kufamba kweaxial uye kukonzera kubuda kwemvura.

Maitiro ekutarisa mamiriro ezvinhu uye kugadzirisa hurongwa

Kutarisa mamiriro ezvinhu nguva dzose ndiyo nheyo yekupedzisira yekuvimbika kwe zero-emission. Kune zvisimbiso zvesimbi mbiri, izvi zvinosanganisira kushandisa API Plan 52 (unpressurized tandem) kana Plan 53 (pressurized double) magadzirirwo emapaipi. Mugadziriro yePlan 53A, mvura inodzivisa inofanira kuchengetedzwa padzvinyiriro ye1.5 kusvika 2.0 bar (22 kusvika 30 psi) pamusoro pekumanikidzwa kwakanyanya kwekamuri rechisimbiso.

Vashandi vanofanira kugara vachitarisa kumanikidzwa kwemvura inovhara mvura uye huwandu hwemvura inovhara mvura. Kudzikira kamwe kamwe kwesimba remvura inovhara mvura kana kupera nekukurumidza kwemvura inovhara mvura kunoratidza kuora kwechiso kwekutanga kana kwechipiri. Nekubatanidza masisitimu aya ekutarisa mvura neplant DCS (Distributed Control Systems),zvikwata zvekugadzirisainogona kuchinja kubva pakugadzirisa zvinhu nekukurumidza kuenda pakugadzirisa zvinhu zvinofanotaurwa, kugadzirisa chisimbiso chisati chatyorwa.

Maitiro Ekutenga Vanofanira Kusarudza Nguva Yekushandisa Zvisimbiso zveMetal Bellows

Kuchinja kuita zvisimbiso zvesimbi zvinosunga simbi kunomiririra kuzvipira kukuru kwemari neinjiniya. Mapoka ekutenga nekuvimbika anofanirwa kufamba nenzira yakarongwa yekuita sarudzo kuti ave nechokwadi chekuti mari yekutanga yakakwira inotsigirwa nezvinodiwa neanoshanda uye kudzoka kwehupenyu hwese.

Ndeipi rondedzero yekushandisa inofanira kutungamira pakusarudza

Kuti sarudzo ienderane, mapoka einjiniya anofanira kushandisa runyoro rwakasimba rwekutarisa mafomu ekushandisa. Zvisimbiso zvesimbi zvinofanirwa kurairwa kana chikumbiro chichizadzisa chimwe kana kupfuura chezvinotevera:

1. Kupisa kwepombi kunodarika 200°C (400°F) kana kudonha pasi pe -40°C (-40°F).
2. Mvura iyi ine miganhu yakasimba yeVOC inobvisa zvinhu inoda kuchengetwa kwemhepo iri pasi pe500 ppm.
3. Mvura iyi ine mukana wakakura wekuumba polymer, crystallize, kana coke kana yasvika mumhepo.
4. Zvinyorwa zvekuchengetedza zvekare zvinoratidza kuti pusher seal inokundikana kakawanda nekuda kwekurembera kweO-ring kana kuti shaft fretting.

Kana kushandiswa kwacho kuchisanganisira mvura yakachena, inodziya zvishoma kana mvura isina njodzi inoshanda pasi pe150°C pakumanikidzwa kuri pakati nepakati, pusher yakajairwa kana elastomer bellows seal inogona kukwana. Zvisinei, kune chero basa ripi zvaro rinozivikanwa serine njodzi, rine chepfu, kana kuti rinopisa zvakanyanya, metal bellows seal ndiyo sarudzo yakanaka kwazvo.

Maitiro ekuyera mutengo wekutanga uchienzanisa kukosha kwehupenyu hwese

Mari yekutenga yekutanga yechisimbiso chesimbi chakagadzirwa zvizere inowanzo kuve yakakwira ne1.5x kusvika 2.5x kupfuura chisimbiso che multi-spring pusher chakaenzana. Zvisinei, kuongorora tekinoroji chete pamari yekutanga hakurevi kukanganisa kukuru paTotal Cost of Ownership (TCO).

Nekubvisa zvachose shaft ne sleeve fretting, simbi bellows seals inochengetedza nzvimbo dziri pakati pe $2,000 ne $5,000 pakugadzirisa pombi pamutengo wekugadzirisa hardware nekugadzira.

Zvinhu Zvinokosha Zvaunofanira Kuziva

• Mhedziso dzakakosha uye chikonzero cheMetal Bellows Seals
• Magadzirirwo, kutevedzera mitemo, uye kuongororwa kwenjodzi zvinofanirwa kuongororwa usati waita chibvumirano
• Matanho anotevera anoshanda uye mazano anogona kushandiswa nevaverengi ipapo ipapo

Mibvunzo Inowanzo bvunzwa

Sei zvisimbiso zvesimbi zviri nani pamapombi asina kuburitsa mweya?

Zvinobvisa O-ring inoshanduka, zvichideredza njodzi yekubuda kwemvura kubva pakusakara, kupisa, uye kupwanyika kwemugodhi. Izvi zvinobatsira zvirimwa kusangana nemiganhu yakaoma yeVOC emission nekuvhara kwenguva refu kwakasimba.

Ndezvipi zvinoshandiswa zvinonyanya kubatsira kubva kusimbi dzinoshandisa simbi?

Anoshanda zvakanyanya mumasevhisi ane tembiricha yepamusoro, cryogenic, polymerizing, coking, uye solids uko ma pusher seal akagadzirwa ne elastomer anowanzo kundikana kana kurembera.

Ko Victor Seals inogona kupa zvisimbiso zvesimbi zvinoshandisa OEM here?

Ehe. Victor Seals inopa zvisimbiso zvesimbi zvinobata mapombi uye zvinotsiva zvinoenderana neOEM kune zvakawanda zvinodiwa pakugadzirisa pombi dzemaindasitiri, kusanganisira mhando dzemapombi akasarudzwa.

Zvisimbiso zvesimbi zvinosimbisa sei kuvimbika pakushanda zvakaoma?

Mvuro yakasungirirwa inopa simba rechitubu uye sealing yechipiri, saka hapana elastomer inotsvedza yekunamira, kuomesa, kana kupfeka. Izvi zvinotsigira MTBF yakareba uye kushanda kwakasimba kwesealing.

Chii chinofanira kutariswa nevatengi vasati vasarudza chisimbiso chesimbi chebellows?

Simbisa rudzi rwemvura, tembiricha, kumanikidzwa, saizi yemubato, zvinhu zvechiso, uye simbi. Kuti uwane basa rine njodzi, simbisawo kuti zvinobuda zvinobuda uye kuti pombi inoenderana sei nemutengesi wako wechisimbiso.