Sei Metal Bellows Seals iriyo mhinduro yakanaka yekusaburitsa utsi hwakaipa?

Nhanganyaya

Miganhu yakasimba yekuburitsa hutsi uye zvinangwa zvakasimba zvekuvimbika zvakaita kuti tekinoroji yekuvharira ive dambudziko guru mumapombi, ma mixers, uye mimwe michina inotenderera. Zvisimbiso zvesimbi zvinoonekwa zvakanyanya nekuti kugadzirwa kwazvo kwakasungirirwa kunobvisa chisimbiso chechipiri chinoshanduka chinowanikwa mumagadzirirwo mazhinji echinyakare, zvichideredza nzira dzinobuda mvura uye zvinovandudza mashandiro mumasevhisi anodziya zvakanyanya, anoparadza, uye anoshanduka-shanduka. Chinyorwa chino chinotsanangura kuti dhizaini iyoyo inotsigira sei kuburitsa hutsi hunenge husina kusimba, uko kunoshanda kupfuura zvisimbiso zvechinyakare zvemakanika, uye izvo mainjiniya vanofanira kufunga nezvazvo pavanosarudza kuti zvienderane nemutemo, kuchengetedzeka, uye kushanda kwenguva refu.

Nei Zvisimbiso zveMetal Bellows Zvichikosha paZvinangwa zveZero-Emissions

Muindasitiri yemazuva ano yemaitiro, masisitimu ekubata mvura ari kuongororwa zvisati zvamboitika kuti abvise utsi hunobuda. Sezvo mitemo yezvakatipoteredza ichinyanya kusimba uye zvinangwa zvekuchengetedza makambani zvichiramba zvisingakurukurwi,zvisimbiso zvemakanikaZvinoshandiswa mumapombi e centrifugal, ma mixers, uye reactors zvinomirira dziviriro yakakosha. Tekinoroji dzechinyakare dzekuvhara, kunyangwe dzichishanda pabasa rakajairika, dzinowanzo kundikana mukushandiswa kunoda kudzorwa kwakakwana mukati menguva refu yehupenyu. Zvisimbiso zvesimbi zvinosunga zvakabuda semhinduro huru yemirairo iyi ye zero-emission.

Nekubvisa chisimbiso chechipiri chinoshanduka—nzvimbo inowanzo kundikana mumagadzirirwo emazuva ese—zvisimbiso zvesimbi zvinobvisa nzira huru dzekubuda kwemvura inoshanduka (VOC). Iyi nzira yekugadzira haingovimbisi chete kutevedzera mitemo asiwo inowedzera zvakanyanya nguva iri pakati pekukundikana (MTBF) munzvimbo dzine makemikari akasimba uye tembiricha yepamusoro.

Kuburitswa kwemhepo inobuda mumhepo, mitemo, uye zvinokonzeresa ESG

Kuedza kubvisa hutsi hwemhepo kunokonzerwa zvakanyanya nehurongwa hwakasimba hwezvakatipoteredza. Pasi pemitemo yakaita seUS Environmental Protection Agency's (EPA) Method 21 pamwe nemutemo wenzvimbo dzakasiyana-siyana dzemhepo yakachena, chiyero chinobvumidzwa chehutsi hwemhepo hunopukunyuka chaderera. Kunyange hazvo tsananguro dzekare dzekudonha kwemhepo dzichibvumira kusvika kuzvikamu 10,000 pamiriyoni (ppm), mitemo yemazuva ano inowanzo raira chiyero che500 ppm, nedzimwe nzvimbo dzemuno dzichiisa miganhu yakasimba se100 ppm kune maVOC ane njodzi huru.

Panguva imwe chete, zvinhu zvinotungamira Environmental, Social, and Governance (ESG) zvinoda kuti nzvimbo dzekugadzirisa zvinhu dzinyore uye dzideredze mafambiro adzo ecarbon nechepfu. Zvisimbiso zvesimbi zvinopa kuvimbika kwemhepo kunodiwa kuti zvizadzise zvinodiwa izvi zviri pasi pe500 ppm nguva dzose, zvichiita kuti nzvimbo dzisabhadhariswe faindi dzinodhura, dzidzivirire kuburitswa kwemhepo kune njodzi, uye dzigutse zvinodiwa nevanoisa mari pamwe nevanotonga ESG.

Apo zvisimbiso zvesimbi zvinosunga maburi zvinoshandiswa mumapombi nema reactors

Zvisimbiso zvesimbi zvinoiswa mumidziyo yakakosha uko kudonha kwemvura kunokonzera njodzi huru dzekuchengetedza, zvakatipoteredza, kana mashandiro. Munzvimbo dzinochenesa peturu, zvinogara zvichishandiswa mu API 610 process pumps dzinobata mahydrocarbon anodziya zvakanyanya, slurry dzepasi pebhareri, uye mvura dzinofambisa kupisa. Nekuti mvura idzi dzinowanzo pfuura miganhu yekupisa ye elastomers dzechinyakare, kuvakwa kwesimbi yese yesimbi kwakakosha.

Kupfuura pombi, zvisimbiso zvesimbi zvinoshandiswa zvakanyanya mumakemikari reactors uye agitators. Muzvisimbiso zvepamusoro-soro zvereactor, kubuda kwemhepo muchikamu chevapor idambudziko rinoramba riripo. Kugona kwechisimbiso chesimbi chebellows kuchengetedza kumeso kwakafanana pasina njodzi yekurembera kwe elastomer kunoita kuti ive sarudzo yakanakisisa yekuisa zvinhu zvine chepfu, makemikari anouraya, uye zvinonyungudutsa zvakanyanya zvinoshanda pasi pevacuum yakadzika kana kumanikidzwa kwakakwira.

Kusiyana Kwakaita Zvisimbiso zveMetal Bellows neZvisimbiso zveKare

Musiyano mukuru uripo pakati pezvisimbiso zvesimbi zvinobata simbi nezvisimbiso zvemazuva ano zvemakanika uri pakuti zvinobata sei kufamba kweaxial uye kuvharwa kwechipiri. Zvisimbiso zvese zvemakanika zvinoda nzira yekuchengetedza kubatana pakati pezviso zvechisimbiso zvinotenderera nezvisingachinji sezvo zvichisakara uye sezvo shaft ichikura kana kudedera. Kuwanikwa kwemubhadharo uyu kunoratidza mukana wechisimbiso wekubuda ropa nekukundikana.

Magadzirirwo anotsigira kusvibiswa kwakaderera

Zvisimbiso zvesimbi zvinoshandisa ma diaphragm esimbi akatetepa, anowanzo batanidzwa pamwe chete, kuti agadzire sirinda inochinjika, yakaita se accordion. Chikamu ichi chepakati chinoshanda mabasa maviri: chinoshanda sechinhu chechitubu chinopa simba rinodiwa rekuvhara pazviso zvechisimbiso, uye chinoshanda sechisimbiso chechipiri pachacho. Maplate e convolution akaumbwa nemazvo, anowanzova kubva pa0.10 mm kusvika 0.25 mm muukobvu, zvichibvumira kuchinjika kwakakwana pasina kukanganisa kunaka kwechimiro.

Nekuti chivharo chebellows chinogara chakasungirirwa uye chakabatanidzwa nesimbi kune hardware yechisimbiso, hapana elastomer inotsvedza inodiwa kuti ivhare shaft. Uyezve, kushanda kwecentrifugal kwebellows inotenderera kunobvisa zvinhu zvakasimba zvakasungirirwa, zvichigadzira mhedzisiro yekuzvichenesa inodzivirira kuungana kwemarara - mukana mukuru wekudzivirira kusvibiswa kwemhepo uko kupindirana kwezvikamu kunogona kuparadzanisa zviso zvechisimbiso.

Zvisimbiso zvesimbi zvinobaya zvichienzaniswa nezvisimbiso zvinosundidzira

Zvisimbiso zvemazuva ose zvinoshandisa macoil springs kuti zviise zviso zvechisimbiso uye chisimbiso chechipiri chinoshanduka (senge O-ring kana V-ring) chinofanira kutsvedza nepakati peshaft kana sleeve kuti chigadzirise kusakara. Kutsvedza uku kunoita kuti pave nematambudziko maviri: elastomer inorembera (apo O-ring inonamira nekuda kwekupisa, kurwiswa nemakemikari, kana marara, zvichiita kuti chisimbiso chitarise kuvhurika) uye shaft fretting (apo O-ring inotsvedza inopfeka gomba mushaft yesimbi, zvichiita kuti pave nenzira inobuda mvura zvachose).

Zvisimbiso zvesimbi zvinobvisa matambudziko ese ari maviri zvachose. Pasina O-ring inoshanduka, hapana njodzi yekurembera kana kupwanya shaft. Iyi nzira yekusimbisa static secondary ndiyo inovimbisa kuvharirwa kwenguva refu kunodiwa kuti pave ne zero-emissions targets.

Maitiro Ekuti Metal Bellows Seals Iwedzere Kuvimbika Uye Kutevedzera Mutemo

Kuisa zvisimbiso zvesimbi zvinosunga simbi zvinoreva kuti zvinosimbisa mashandiro uye zvinochengetedza kutevedzera nharaunda. Nekubvisa zvisungo zvisina kusimba zvechinyakare zvechisimbiso—zvinoti, ma elastomers anonzwa tembiricha uye ma springs anowanzo vharika—nzvimbo dzinogona kuita kuti pave nehupenyu hwekuchengetedza hunogona kugadzirisika uku dzichivhara kushanda kwe zero-emission performance.

Mamiriro ekushanda kwavanoita zvakanaka

Zvisimbiso izvi zvinoshanda zvakanaka munzvimbo dzakanyanya kushanda dzinokonzera kuora nekukurumidza muzvisimbiso zvechinyakare. Kushandiswa kwekupisa kwakanyanya ndiko kunonyanya kuzivikanwa; simbi dzakasungirirwa mumucheto dzinogona kushanda zvakanaka mukupisa kwemvura kusvika ku400°C (750°F), uye zvakatonyanya kukwira kana paine nzira dzemhando yepamusoro dzekutonhodza. Kusiyana neizvi, zvinoshanda zvakaenzana mumabasa e cryogenic kusvika ku -75°C (-100°F), uko ma elastomers akajairwa anogona kupwanyika uye kuputsika.

Zvinoratidzawo kushanda zvakanaka mumvura dzinoita se crystallize, coke, kana polymerize. Mumabasa akaita se asphalt, heavy vacuum gas oil (HVGO), uye caustic soda, hunhu hwe bellows hunodzivirira kuti seal isaome panzvimbo, zvichiita kuti kumeso kurambe kuchitevera uye kuti utsi husabude.

Kuchinjana kwekushanda zvakanaka kwekupisa nebasa

Kunyange hazvo zvisimbiso zvesimbi zvinopa simba risingaenzaniswi pakupisa, zvine simba rekuchinjana simba. Zvisimbiso zvesimbi zvinosungirirwa pamucheto mumwe chete zvinowanzo ganhurira pakumanikidzwa kwekushanda kwepakati pe20 kusvika 25 bar (300 kusvika 360 psi). Mukushandiswa kupfuura kumanikidzwa uku, maplate matete esimbi anogona kukanganisa kushanduka kana kuputika.

Kuti izvi zvisaitike, mainjiniya anofanira kudoma magadzirirwo emadziro ane maburi maviri kana kuti ane maburi ane maburi, ayo anowedzera kugona kwekumanikidza asi anoderedza kuchinjika kweaxial. Saka, pakusarudza kuti hapana kuburitswa kwemhepo mumabasa ekumanikidza zvakanyanya (semuenzaniso, mapombi ekudyara boiler kana injection yepamusoro), chiyero cheinjiniya chinofanira kunyorwa pakati pehukobvu hwesimbi hunodiwa kuti kudzvanywa kugadzirwe uye kuchinjika kunodiwa kuti kuteverwa kwechisimbiso kwakanyatsonaka.

Kuenzanisa kwemutengo weutsi, kugadzirisa, uye hupenyu hwese

Kubudirira kwehupfumi hwesimbi dzinonzi metal bellows seals kunotsigira zvikuru kushandiswa kwadzo muzvirongwa zve zero-emissions. Nekuti hadzina fret shafts kana sleeves,zvikwata zvekugadzirisainogona kubvisa mari inoramba ichidzokororwa yekutsiva maoko epombi akaomarara anodhura panguva yekugadzirisa.

Kubva pakuona kwekutevedzera mitemo, chisimbiso chesimbi chakatsanangurwa zvakanaka chinogona kuwedzera MTBF kubva paavhareji yeindasitiri yemwedzi gumi nemisere (yezvisimbiso zvinosundidzira mumabasa akaoma) kusvika kumwedzi inopfuura makumi mana nemasere. Kuwedzerwa katatu uku kwehupenyu hwekushanda kunoderedza zvakanyanya kuwanda kwezviitiko zvine chekuita nechisimbiso, kunoderedza basa rekugadzirisa nguva dzose, uye kunoderedza marara ane njodzi anokonzerwa nekutsiviwa kwechisimbiso kakawanda.

Maitiro Ekusarudza uye Kuisa Zvisimbiso zveMetal Bellows

Kuti pasave nekubuda kwemhepo kunoda kunyatsotarisirwa pamatanho ekugadzirisa uye ekushandisa. Chisimbiso chesimbi chinongovimbika chete sekuenderana kwachinoita nesimbi nemvura inoshandiswa uye kunyatsogadzirwa kwayo.

Zvinhu zvakakosha uye zvinodiwa zvesimbi

Chinhu chikuru chekugadzirisa zvinhu ndechekusarudza alloy yakakodzera mapepa e bellow. Zvisimbiso zvekupisa zvakanyanya zvinoshandisa AM350 stainless steel, iyo inopa simba rakanaka rekuneta. Zvisinei, mu aggressive aggressivenharaunda dzemakemikari, AM350 inogona kutsemuka nengura.

Kune masevhisi anoparadza zvakanyanya kana kuti ane chepfu asina kuburitsa utsi, mainjiniya anofanirwa kuvandudza kuita zvesimbi zvemhando yepamusoro. Alloy 276 (Hastelloy C) inonyanya kuzivikanwa nekuda kwekusagona kwayo kushandisa makemikari akawanda, nepo Alloy 718 (Inconel) iriyo sarudzo yepamusoro yekushandisa zvine simba guru uye tembiricha yepamusoro. Uyezve, kana maitiro acho aine gasi rinonaka (H2S), simbi yakasarudzwa inofanira kutevedzera mitemo yeNACE MR0175 kudzivirira kupwanyika kwe sulfide stress.

Maitiro ekugadzira, kutenga, uye kugadzirisa anofanira kusimbisa kusarudzwa

Kusimbiswa kunoda kurongeka kwemadhipatimendi akasiyana-siyana. Mainjiniya anofanirwa kuve nechokwadi chekuti chisimbiso chinosangana nemitemo yekuyedza yeAPI 682 Category 2 kana 3, iyo inotungamira kuongororwa kwakasimba kwemabasa ane njodzi. Kutenga kunofanirwa kupa hunhu chaihwo hwemvura - kusanganisira tsvina shoma - kumugadziri wechisimbiso, sezvo tsvina diki inogona kushandura zvakanyanya kuenderana kwesimbi.

Mapoka ekugadzirisa anotamba basa guru panguva yekuiswa. Zvisimbiso zvesimbi zvinonzwa zvakanyanya kana zvikaiswa zvisina kunaka. Kana chisimbiso chakadzvanywa zvakanyanya kana kuti chisina kudzvanywa zvakanyanya kunze kwehurefu hwacho hwekushanda—kazhinji hwindo rakamanikana re3.0 mm kusvika 5.0 mm—zvisimbiso zvichatadza kuneta nguva isati yakwana.magadzirirwo echisimbiso chekaturiji akaunganidzwa kareinoita kuti kureba kwebasa rakatarwa nefekitori kurambe kuripo, zvichibvisa zvikanganiso zvekuisa uye zvinovimbisa kushanda kwe zero-emissions panguva yekutanga.

Maitiro Ekusarudza Kana Zvisimbiso zveMetal Bellows Zvakakodzera

Kuvandudza nzvimbo yesezvivakwa zvekugadzirisa mvuraKuisa zvisimbiso zvesimbi zvine simba ibasa guru. Vanoita sarudzo vanoda hurongwa hwakasimba hwekuona kuti ndeapi midziyo ichapa purofiti yakawanda pakudyara maererano nekuderedza utsi hunobva mumhepo uye kuvimbika.

Sarudzo yekusarudza chisimbiso

Nzira yekusarudza inoshanda inotanga nekuongorora data rekare rekukundikana uye kuratidzwa kwemitemo. Kana pombi kana reactor chaiyo ichibata mvura inodzorwa nemiganhu yeVOC iri pasi pe500 ppm, ingave mukana wekuvandudzwa kwebellows. Pamusoro pezvo, zvinyorwa zvekuchengetedza zvinofanirwa kuongororwa; kana kupfuura 40% yekukundikana kwechisimbiso pane chimwe chinhu kuchikonzerwa nekuora kwe elastomer, kusungirirwa kweO-ring, kana shaft fretting, pusher seals haina kukwana zvachose pabasa iroro.

Tembiricha uye kusimba kwemvura ndizvo zvinodiwa pakuvhara. Chero basa rinoshanda nguva dzose pamusoro pe200°C (392°F) kana rinobata mvura inooma pakupisa kwekunze rinofanira kunge rakajairwa pazvisimbiso zvesimbi kuti rive nechokwadi chekuti rinoshanda zvakanaka uye haridonhe mvura.

Maitiro ekuenzanisa kusvibiswa kwemhepo, kuvimbika, uye mutengo

Kunyange hazvo zvakanakira mashandiro zviri pachena, mutengo unoramba uri chinhu chakakosha. Mari yekutanga inoshandiswa (CAPEX) yechisimbiso chesimbi chine mativi akabatana inowanzo kuve yakakwira ne20% kusvika 30% kupfuura chisimbiso chenguva dzose che pusher, kunyanya nekuda kwekugadzirwa kwakaoma uye ma alloys ekunze anodiwa.

Zvisinei, kana tichienzanisa kutevedzera kutevedzera kuburitswa kwemhepo nemutengo, ongororo yekushandiswa kwemari (OPEX) inonyanya kufarira dhizaini yebellows. Nekubvisa kutsiva masleeve, kudzivirira faindi dzemutemo dzemagasi anobuda, uye kuwedzera MTBF nemakore, nzvimbo yekuenzana yeCAPEX yekutanga yepamusoro inowanzoitika mukati memwedzi gumi nemiviri kusvika gumi nemana. Kune zvivakwa zvakazvipira kune hurongwa hwechokwadi hwe zero-emissions, metal bellows seals haingomiriri chete chishandiso chekutevedzera kuburitswa kwemhepo, asi mari yekudyara muhupenyu hwakanaka.

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 zvinopfekwa kana pasina kuburitsa mweya?

Vanobvisa nzira inobuda muO-ring, vachideredza kubuda kweVOC uye vachivandudza kuvimbika kwebasa rinodiwa repombi nereactor.

Zvisimbiso zvesimbi zvinobata simbi zvinoshanda sei zviri nani kupfuura zvisimbiso zvinosundidzira?

Dzinodzivirira kusungirirwa kwe elastomer uye kupwanyika kwemubato, ukuwo dzichichengetedza kutaridzika kwakasimba kwechiso panguva yekupisa, kumanikidzwa, uye kuchinja kwekudengenyeka.

Zvisimbiso zvesimbi zvinoshandisa simbi zvinowanzo shandiswa kupi?

Dzinoshandiswa zvakanyanya mumapombi eAPI process, makemikari reactors, agitators, uye hot hydrocarbon kana solvent services uko kudzora kubuda kwemvura kwakakosha.

Ndirini pandinofanira kusarudza chisimbiso chesimbi chinosunga simbi panzvimbo pechisimbiso che elastomer chinosunga simbi?

Sarudza simbi inopinza tembiricha, makemikari anokasira, vacuum duty, kana VOC service uko elastomers dzinogona kuoma, kuzvimba, kana kukundikana.

Ko Victor Seals inogona kupa zvisimbiso zvesimbi zvinopindirana neOEM zvemapombi emumaindasitiri here?

Ehe. Victor Seals inopa simbi dzinoshandiswa pakugadzira maburi uye zvisimbiso zvinotsiva zvinoenderana neOEM zvemhando dzakawanda dzemapombi anoshandiswa mumakemikari, mafuta negasi, zvemugungwa, uye zvemagetsi.