Zvisimbiso zveMetal Bellows zvinogona sei kubatsira kuderedza kuburitswa kwemhepo mumaindasitiri?

Nhanganyaya

Kudzora kuburitswa kwemhepo inobuda mumhepo kwave dambudziko guru rekugadzira zvirimwa zvinobata maVOC uye mvura ine njodzi, kunyanya papombi nemacompressor uko kunowanzobuda mvura. Zvisimbiso zvesimbi zvinogadzirisa dambudziko iri nekutsiva zvikamu zvinoshanduka-shanduka zvinogona kukundikana nechinhu chinosungirirwa, chinochinjika chinovhara chinoshanda zvakavimbika pasi pekupisa, kumanikidzwa, uye sevhisi ine makemikari. Chinyorwa chino chinotsanangura kuti dhizaini iyoyo inobatsira sei kuderedza mwero wekubuda kwemvura, kutsigira kutevedzera mitemo yakasimba yekuburitsa mhepo, uye kuvandudza kuvimbika kwemidziyo panguva imwe chete. Chinotsanangurawo kuti zvisimbiso zvesimbi zvinokwana papi zvakanyanya, nei zvichiwanzoita kupfuura zvisimbiso zvemakanika zvemazuva ano, uye kuti mainjiniya vanofanira kufunga nezvei pavanozviongorora kuti vadzivise kuburitswa kwemhepo.

Mashandisirwo Anoitwa Zvisimbiso zveMetal Bellows muIndasitiri

Zvivako zvemaindasitiri zvinotarisana nekuongororwa kwakasimba maererano netsika yazvo yezvakatipoteredza, nehurongwa hwemitemo hunorayira kudzora kwakasimba pamakemikari anoshanduka-shanduka (VOCs) uye zvinosvibisa mhepo zvine njodzi (HAPs). Midziyo inotenderera, kunyanya mapombi e centrifugal uye ma compressor, kare anomiririra kusvika ku60% yeutsi hunobuda mukati mezvirimwa zvemakemikari nemafutaKugadzirisa nzvimbo idzi dzekudonhedza mvura igwara guru rekugadzira kuti pave nekutevedzera mitemo uye kushanda zvakanaka kwemabasa.

Tekinoroji dzepamusoro dzekuvhara zvinhu ndiyo nzira inoshanda zvikuru yekuderedza kuburitswa kwezvinhu mumidziyo. Pakati pematekinoroji aya, zvisimbiso zvesimbi zvinopa mhinduro yakagadzirwa zvakanaka kuti ibvise kusasimba kwemidziyo yechinyakare yekuvhara zvinhu. Nekuchinja zvakanyanya dynamic sealing interface, tekinoroji iyi inopa dziviriro yakasimba kubva pakuburitswa kwezvinhu mumhepo, kunyangwe mukushandiswa kwemvura inodziya uye inopisa zvakanyanya.

Nei kudzora kuburitswa kwemhepo inobuda mumhepo kuchifanira kukosha?

Kuburitswa kwemhepo inobuda mumhepo kunomiririra mutoro wakakura wezvakatipoteredza uye wezvemari kune vanoshanda mumaindasitiri. Mitemo yepamutemo, yakaita seEPA's Method 21 uye API 682 mechanical seal standard, yakaderedza mwero wekuburitswa kwemhepo unobvumirwa. Kunyange zvazvo miganho yekare yaibvumira kuburitswa kwemhepo kusvika kuzvikamu zviuru gumi pamiriyoni nevhoriyamu (ppmv), mitemo yemazuva ano inowanzo rambidza kuburitswa kwemhepo inobuda mumhepo yeVOC kusvika pasi pe500 ppmv, nemitemo yemuno ichisundira kumiganhu ye sub-100 ppmv.

Kukundikana kuchengetedza mitemo iyi yakasimba kunokonzera zvirango zvemari zvakakomba, kuwedzera kwechirongwa cheKuona Kubuda Kwemvura Nekugadzirisa (LDAR) chinosungirwa uye chinodhura, uye kurasikirwa zvakananga kwehupfumi hwezvinhu zvinobuda mumhepo. Uyezve, kusvibiswa kwemhepo kusina kudzorwa kunokonzera njodzi huru dzekuchengetedzwa kwebasa uye kunokanganisa zvivakwa zvakakomberedza kuburikidza nekukurumidzira ngura. Nekuda kweizvozvo, kusimudzira tekinoroji yekuvhara mhepo kusvika kune zero-kana low-emission sealing hakusisiri kuvandudzwa kwekuvimbika, asi chinodiwa chekutanga chekutevedzera mitemo.

Maitiro ekudzivirira maburi ekudzivirira nzira dzekubuda kwemvura

Zvisimbiso zvemazuva ose zvemakanikaVanovimba nezvinhu zvinoshandura simba zvechipiri—zvinowanzova maO-rings elastomeric—zvinofanira kutsvedza zvichitevedza shaft yepombi kuti zvibatsire pakusakara kwechisimbiso uye kuwedzera kwekupisa. Kufamba uku kunokonzera kusasimba kukuru: sezvo elastomer inooma kana kuti pamusoro peshaft painoora, nzira dzinobuda nemicroscopic leak, zvichibvumira maVOC kuti atize achipinda mumhepo.

Zvisimbiso zvesimbi zvinobvisa nzira iyi yekubuda kwemvura inochinja-chinja zvachose. Huremu hwemaburi hunoshanda senzira yechitubu uye sendiro yechipiri, huchivhara shaft kana sleeve uchigonya kuti hukwanise kufamba kwechiso. Nekuti mubatanidzwa wemaburi wakavharirwa zvakanaka uye haudi elastomer inotsvedza, nzira huru yekubuda kwemhepo inobuda inobviswa. Iyi nzira yekuvharirwa kwemvura inochinja-chinja inoita kuti nzvimbo yekubuda kwemvura ive chete inoonekwa pakati pezvisimbiso zvekutanga zvakaponeswa zvakanyanya, izvo zvinogona kugadziriswa kuburikidza nehunyanzvi hwepamusoro hwemaburi uye masisitimu emvura anovharirwa.

Chii Chisimbiso cheMetal Bellows uye Kwavanoita Zvakanaka?

Zvisimbiso zvesimbi zvinobata simbi zvinomiririra boka rakasiyana rezvisimbiso zvemakanika zvisina kusunda zvakagadzirwa munzvimbo dzine zvikamu zve elastomeric zvinokundikana. Zvinokwanisa kuchengetedza kusimba kwechisimbiso munzvimbo dzinoshanda zvakanyanya, zvichigara zvichibata tembiricha dzemvura kubva pakupisa kwe -75°C kusvika pakupisa kwakanyanya kupfuura 400°C pasina kuora kunokonzerwa nezvisimbiso zvechipiri zve polymer.

Nekubatanidza basa rechipiri rekuvharira uye nzira yekurodha michina muchikamu chimwe chete chesimbi, zvisimbiso izvi zvinopa nzvimbo yekuvharira yakasimba uye inofanotaurwa. Kubatanidzwa uku kwezvikamu hakungoderedzi chete mukana wezvikanganiso zvekubatanidza asiwo kunoderedza njodzi yekusawirirana kwemakemikari kunowanzo tambudza zvisimbiso zvepusher zvine zvikamu zvakawanda.

Maitiro ekuvaka zvisimbiso zvebellow zvakasungirirwa uye zvakagadzirwa

Maitiro ekugadzirainotsanangura miganhu yekushanda uye hunhu hwemashandiro emabhaudhi. Nzira mbiri huru dzekuvaka ndedzekushongedza madziro emucheto nekugadzira madziro emvura. Mabhaudhi ane madziro emucheto anogadzirwa nekudzvanya diaphragms chaiyo kubva pamapepa matete ealloy—anowanzova kubva pa0.10 mm kusvika 0.25 mm muukobvu—uye kuabatanidza padhayamita yemukati neyekunze kuti agadzire core yakakombama. Nzira iyi inobvumira kureba kwakanyanya kwekurovera, kuchinjika kwakanaka, uye kupararira kwakakodzera kwekumanikidzwa pakati pemaseam emabhaudhi.

Kusiyana neizvi, mabhanzi akagadzirwa anogadzirwa nekudzvanya chubhu yesimbi ine madziro matete muchimiro che corrugated profile. Kunyange hazvo mabhanzi akagadzirwa achiwanzo dhura mari kugadzira uye asina misono ye weld, anoratidza mwero wepamusoro wechirimo uye kufamba kwakaderera kwe axial zvichienzaniswa nemabhanzi akagadzirwa ne edge-weld. Kune mashandisirwo epamusoro emaindasitiri uko kurodha kwakanyatsojeka uye kuchinjika kwakanyanya kunodiwa kudzivirira kuburitswa kwemhepo, mabhanzi akagadzirwa ne edge-weld anoramba ari iwo mwero weindasitiri.

Kusiyana kwavanoita nezvisimbiso zvechinyakare zvemakanika

Musiyano mukuru uripo pakati pezvisimbiso zvesimbi zvinosunga nezvinosunga zvechinyakare zvinosunga zviri pakuti chisimbiso chechipiri chinotsigira sei mashandiro eshaft. Zvisimbiso zvinosunga zvinoshandisa O-ring ine simba inosvetukira pachitubu inofanira kusunda shaft. Kutsvedza uku kunotungamira mukutsvedza kweshaft—chiitiko chekupfeka chinovhara shaft, zvichigadzira nzira dzinobuda mvura zvachose uye zvichida kutsiviwa kweshaft inodhura.

Zvisimbiso zvesimbi zvisina kusundidzira zvinoramba zvakamira zvachose kana tichienzanisa neshaft sleeve, zvichishandisa elastic deformation yesimbi convolutions kuti irambe ichisangana kumeso. Izvi zvinobvisa zvachose shaft freak uye zvinobvisa njodzi yekuti seal "igare yakasungirirwa," mamiriro ezvinhu apo marara kana polymerized fluids zvinokonzera dynamic O-ring kunamira, zvichimanikidza primary seal kumeso uye zvichikonzera kubuda kwemvura kwakaipisisa.

Zvinhu Zvikuru Zvekugadzira Chisimbiso

Kugadzirisa zvisimbiso zvesimbi zvinoda kuongororwa kwakasimba kwenzvimbo chaiyo yekushanda. Nekuti core yebellows inoshanda sechikamu chechimiro uye chinoshanduka, dhizaini yayo inofanira kuyera kuchinjika kwekutevera chiso ichipesana nesimba remuchina rinodiwa kuti rigone kutsungirira kumanikidzwa kwesystem. Mabhero akajairwa e single-ply edge-welded anowanzo shanda zvakavimbika kusvika pamabhawa makumi maviri kusvika makumi maviri nemashanu, nepo magadzirirwo e multi-ply akagadzirwa kuti agone kutsungirira kumanikidzwa kunodarika mabhawa makumi matanhatu.

Kubatana pakati pezvinhu zvesimbi, tribology yezvinhu zvechiso, uye mashandiro ekushanda kunoratidza kuvimbika kwakakwana uye kugona kwekudzivirira kuburitswa kwechinhu chinobuda muchinhu chinoiswa ...

Kudzvinyirirwa, tembiricha, midhiya, uye kufamba kwemugodhi zvinokanganisa sei kusarudzwa

Maitiro emuchina wepakati pebellows anonyanya kutsamira pakumanikidzwa kwesystem uye tembiricha. Kumanikidzwa kwakanyanya kunogona kukonzera kusagadzikana kwebellows kana "kusveta," zvichikonzera kuti zvinhu zvikobvu kana magadzirirwo akawanda, izvo zvinowedzera mwero wechirimo uye zvinoderedza kuchinjika kweaxial. Mainjiniya anofanirwa kuverenga chimiro chakakodzera che convolution kuti arambe aine simba rekuvhara rakafanana pazviso zvechisimbiso pasina kudarika miganhu yekuneta kwesimbi.

Hunhu hwemidhiya uye kufamba kwemugodhi zvine basa rakakoshawo. Mvura inonamira kana kuti inosimbisa inogona kuungana mumigodhi yebellows, zvichideredza kufamba. Muzviitiko zvakadaro, magadzirirwo emugodhi webellows akafara anotsanangurwa kuti akwanise kuzvichenesa. Uyezve, kufamba kwakanyanya kwemugodhi weaxial kana kuti radial runout zvinogona kukonzera kuti migodhi iite cyclical bending stress, zvichikurumidzisa kuneta kwesimbi kana stroke ikapfuura magadzirirwo edhizaini yemigodhi chaiyo.

Ndezvipi zvinhu uye musanganiswa wechiso unovandudza kuvimbika

Kusarudzwa kwesimbi kunotungamira miganhu yekushanda uye kuramba ngura kwechisimbiso. Mabhero akajairika anowanzo gadzirwa nesimbi isingatsvedzeri yeAM350, zvichipa chiyero chekutanga chesimba uye kugona kusveta. Kune makemikari ane simba kana tembiricha yakakwira, ma alloys ane nickel akawanda akadai seAlloy C-276 kana Alloy 718 anotsanangurwa kudzivirira kuputika kwengura uye kuchengetedza simba rekusimba pakupisa kwakanyanya.

Zvishandiso zvechisimbiso chikuru zvakakoshawo pakuderedza kusvibiswa kwemhepo. Misanganiswa yezviso zvakaoma, zvakaita seSilicon Carbide (SiC) inotenderera ichipesana neTungsten Carbide (WC), inopa simba rekudzivirira kupfekwa zvakanyanya mukushandiswa kwayo. Zvisinei, kune zvinwiwa zvisina mafuta akawanda, chiso cheSilicon Carbide chinomhanya nechiso chisingapindi mablister cheCarbon Graphite chinopa mukana wakaderera wekukweshana, zvichideredza kupisa uye kudzivirira kusvibiswa kwemvura munzvimbo iyoyo kunogona kuputsa chipingamupinyi chemhepo inobuda.

Kuenzaniswa kwemitengo yehupenyu hwese uye mashandiro ekudonha kwemvura

Kunyange hazvo simbi dzakasungirirwa pamucheto dzichida mari yakawanda yekutanga kana tichienzanisa nezvisimbiso zve elastomeric pusher, mashandiro adzo ekubuda kwemvura ari nani zvikuru mukushandiswa kwadzo kunoda simba. Zvisimbiso zve pusher munzvimbo dzinopisa zvakanyanya zvinowanzo tambura nekuora kwe elastomer, zvichikonzera kuwedzera kweutsi hunobuda uye zvinoda kutsiviwa mwedzi yega yega gumi nemiviri kusvika gumi nemisere.

Kusiyana neizvi, chisimbiso chesimbi chakanyatsorongeka chinoshanda mukati mezviyero zvekugadzira chinogona kuwedzera Mean Time Between Failures (MTBF) kusvika kumwedzi 36 kusvika 60. Kureba kwenguva iyi hakungogumiri pakuderedza mutengo wekutanga wakakwira asiwo kunoita kuti michina irambe iri mukati memiganhu yakasimba yekutevedzera nharaunda, zvichidzivirira zvirango zveLDAR nemitengo inokonzerwa nekudzima kwekugadzirisa kusina kurongwa.

Maitiro Ekutsanangura, Kuisa, uye Kuchengetedza Zvisimbiso zveBellows

Zvakanakira zvesimbi zvinosunga simbi zvinoonekwa chete nekutevedzera zvakadzama zvinodiwa, kuiswa, uye nzira dzekutenga. Kugadzira zvinhu nemazvo kunorambwa nyore nyore nekubata zvisina kunaka kana midziyo isina kurongeka zvakanaka. Mitemo yeindasitiri inoti michina inotenderera inofanira kuchengetedza kushivirira kwakasimba kwemuchina; semuenzaniso, zvinodiwa zveAPI 682 Category 2 ne3 zvinoti kutsauka kweshaft pachiso chechisimbiso hakufanirwe kudarika 0.05 mm pasi pemutoro unoshanduka.

Kugadzira nzira yakajairika yekutsanangura nekuisa zvisimbiso izvi kunoita kuti kugona kwekudzivirira utsi hwetekinoroji yebellows kuve kwakanyatsojeka mumunda.

Maitiro ekusarudza zvisimbiso zvekushandisa

Maitiro ekugadzirisa anofanirwa kuenderana nezvinodiwa neindasitiri, kunyanya API 682, uko simbi dzinoshandiswa muzvikamu zvemhando B (dzinotenderera) kana Type C (dzinomira). Mainjiniya anofanirwa kutsanangura hunhu chaihwo hwemvura, mafambiro ekumanikidzwa kwemhepo, uye thermal transients iyo chisimbiso chichasangana nayo.

Zvakakoshawo kutsanangurwa kwechirongwa chekubatsira pakutsvaira mvura. Kushandisa ma API piping plans—akadai se Plan 11 yekutsvaira mvura mukamuri rekuvharira mvura, kana Plan 52/53A yema dual seal barrier fluid systems—kwakakosha pakutarisira nharaunda inopisa yakakomberedza zviso zvechisimbiso. Mukushandiswa kwe zero-emissions zvinosanganisira HAPs dzine chepfu yakawanda, kutaura dual pressurized bellows seal (Plan 53A) kunovimbisa kuti chero mukana wekubuda kwemvura muzviso zvekutanga une inert barrier fluid kwete ine ngozi.

Kuiswa nekuiswa kwemabasa kunokanganisa sei mashandiro

Zvimiro zvechisimbiso chekatrijizvakatove zvakarongeka zvakanyanya pakuiswa, zvichideredza njodzi dzine chekuita nekuunganidzwa kwezvikamu. Zvisimbiso zvemabhonzo eCartridge zvinounganidzwa kare uye zvinoiswa kare kufekitori, zvichiita kuti pakati pemabhonzo pave nekumanikidzwa kusvika pakureba kwaro chaiko—zvinowanzoda kumanikidzwa kwe3 kusvika ku5 mm kuti pave nesimba rakakodzera rekuvhara kumeso.

Panguva yekuiswa kwemagetsi, vashandi vanofanirwa kuona kuti michina yacho yakarongerwa zvakanaka, vachiona kuti kumhanya kwemagetsi kwakafanana uye kwakaenzana kuri mukati mehuremu hwakasimba. Kubviswa kwema "setting clips" nguva isati yakwana cartridge isati yanyatsobatanidzwa ne "pombi casing" kunogona kuchinja kudzvanywa kwechitubu, zvichikonzera kubuda kwemvura pachiso kana kuti simbi yakundikana nekukurumidza kana yatanga kushanda.

Maitiro ekuongorora vatengesi uye zvinodiwa pakutenga

Kuwana zvisimbiso zvine hunyanzvi hwepamusoro kunoda hunyanzvi hwakasimba hwemutengesi. Vaongorori vanofanirwa kuongorora maitiro ekudzora mhando yemugadziri, kunyanya maererano nekuvimbika kweweld. Vatengesi vakuru vanoshandisa tekinoroji ye micro-plasma kana laser welding otomatiki uye vanosimbisa bellows core yega yega vachishandisa helium mass spectrometry, kazhinji vachiyedza mwero wekudonha kwemvura kusvika ku $1 \times 10^{-8}$ atm cc/sec.

Zvinodiwa pakutenga zvinhu zvinofanirawo kuraira kuti zvinhu zvinyatsoteverwa. Vatengesi vanofanira kupa EN 10204 3.1 zvitupa zvezvinhu zvese zvakanyoroveswa kuti vaone kuti zvinhu zvakagadzirwa sei. Kuongorora kugona kwemutengesi kuita dynamic simulation uye kupa rutsigiro rweinjiniya rwemuno kwakakoshawo kuti zvinhu zvirambe zvichishanda kwenguva refu uye kuti zvinhu zvisaburitswe zvakanaka.

Kana Bellows Seals Yaunza Mubairo Wakanakisisa

Kuisa zvisimbiso zvesimbi zvinosunga simbi panzvimbo yese hazviwanzo budirira mune zvemari nekuda kwemutengo wepamusoro wetekinoroji. Kuisa zvinhu nenzira yehunyanzvi kunoda kuyera kugona kwekushanda kwechisimbiso ichi zvichienderana nekuvimbika uye kutevedzera mitemo yefekitori. Kururamisa hupfumi kunoenderana nemaonero akazara ekutarisira hupenyu hwezvinhu, uko mutengo wekushanda nguva dzose unodarika $10,000 paawa munzvimbo dzinogara dzichiitwa senzvimbo dzekuchenesa mafuta nemafuta.zvirimwa zvekugadzira makemikari.

Nekutarisa pazvinhu zvakakosha, zvine njodzi huru, kuvimbika

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

Zvisimbiso zvesimbi zvinoderedza sei kusvibiswa kwemhepo mumaindasitiri?

Vanobvisa nzira inoshanduka yeO-ring inowanikwa mumapusher seals. Maburi anoshanda sechisimbiso chechitubu nechechipiri, zvichibatsira mapombi kuti ave nemaVOCs uye mvura ine njodzi zvinobudirira.

Ndirini pandinofanira kusarudza chisimbiso chesimbi chinosunga simbi pachinzvimbo chechisimbiso chinosunga simbi ...

Sarudza simbi dzinoshandiswa pakupisa kwakanyanya, kupisa kunotenderera, makemikari anopisa, kana mvura inogona kuomesa ma elastomers. Dzinoshanda pakushanda kwakasimba kwepombi inoburitsa utsi hushoma.

Ndeapi maindasitiri anobatsirwa zvakanyanya nezvisimbiso zvesimbi zvinobaya?

Makemikari, petrochemical, oiri negasi, magetsi, migodhi, zvikepe zvemugungwa, uye nzvimbo dzemvura dzinobatsira zvikuru, kunyanya apo pombi dzinobata nyaya dzekupisa, kusvibiswa, kana dzine njodzi uye kutevedzera mitemo yekubuda kwemhepo inobuda.

Ko Victor Seals inogona kupa zvisimbiso zvesimbi zvinotsiva pombi yeOEM here?

Ehe. Victor Seals inopa simbi dzinovhara simbi nezvimwe zvisimbiso zvemakanika zvekutsiva nekugadzirisa zvinoenderana neOEM, kusanganisira rutsigiro rwemhando dzakadai seGrundfos, IMO, Flygt, Alfa Laval, naAllweiler.

Ndezvipi zvinhu zvinobatsira kuti zvisimbiso zvesimbi zvinodzivirira kusvibiswa kwemhepo zvisapararire?

Tarisa mamiriro echisimbiso pachiso, kumhanya kwemubato, mapurani ekukwesha, uye tembiricha yekushandisa. Shandisa zviyero zvakakodzera zvekuisa uye dzorera maoko akasakara kana mhete dzekukwirisa nekukurumidza kuti usadonhedze mvura.