Zvaunofanira Kufunga Nezvekusarudza Chisimbiso - Kuisa Zvisimbiso Zvemagetsi Zvine Pressure Dual Mechanical

Kurongeka kwezvisimbiso zvemakanika zvitatuzvisimbiso zviviriuko nzvimbo ine mvura inovhara pakati pezvisimbiso inochengetwa iri pakumanikidzwa kwakakura kupfuura kumanikidzwa kwekamuri rechisimbiso. Nekufamba kwenguva, indasitiri iyi yakagadzira nzira dzakasiyana siyana dzekugadzira nzvimbo ine kumanikidzwa kwakanyanya kunodiwa kuti zvisimbiso izvi zviitwe. Nzira idzi dzinoonekwa mumapurani emapaipi echisimbiso chemakanika. Kunyange zvazvo akawanda emapurani aya achiita mabasa akafanana, hunhu hwekushanda kwechimwe nechimwe hunogona kusiyana zvikuru uye huchakanganisa zvese zviri musystem yekusimbisa.

Chirongwa cheMapombi 53B, sezvakatsanangurwa neAPI 682, chirongwa chemapaipi chinodzvinyirira mvura inovhara ne nitrogen charged bladder accumulator. Dundira rine pressurized rinoshanda zvakananga pamvura inovhara, richidzvinyirira sisitimu yese yekuvhara. Dundira rinodzivirira kusangana kwakananga pakati pegasi rinovhara negasi rinovhara rinobvisa kupinza kwegasi mumvura. Izvi zvinobvumira Chirongwa cheMapombi 53B kushandiswa mukushandiswa kwekumanikidzwa kwakanyanya kupfuura Chirongwa cheMapombi 53A. Hunhu hwe accumulator hunobvisawo kudiwa kwenitrogen inogara iripo, izvo zvinoita kuti sisitimu ive yakanaka kune nzvimbo dziri kure.

Zvisinei, mabhenefiti emuchina wekuunganidza dundira anoderedzwa nemamwe maitiro ekushanda kwemuchina uyu. Kumanikidzwa kwePiping Plan 53B kunotsanangurwa zvakananga nekumanikidzwa kwegasi riri mudundira. Kumanikidzwa uku kunogona kuchinja zvakanyanya nekuda kwezvimwe zvinhu zvakasiyana-siyana.

Dundira riri muaccumulator rinofanira kunge rakachajiwa risati raiswa mvura inovharira musystem. Izvi zvinogadzira hwaro hwekuverenga uye kududzira mashandiro esystem mune ramangwana. Kumanikidzwa chaiko kwepre-charge kunoenderana nekumanikidzwa kwesystem uye huwandu hwekuchengetedzwa kwemvura inovharira muaccumulator. Kumanikidzwa kwacho kwepre-charge kunoenderanawo nekupisa kwegasi mudundira. Cherechedza: kumanikidzwa kwacho kwepre-charge kunongoiswa chete pakutanga kwesystem uye hakuzogadziriswi panguva yekushanda chaiko.

Kumanikidzwa kwegasi mudundira kunosiyana zvichienderana nekupisa kwegasi. Kazhinji, tembiricha yegasi inotevedzera tembiricha yemhepo panzvimbo yekuisa. Mashandisirwo anoitwa munzvimbo dzine shanduko huru dzezuva nezuva nemwaka mutembiricha anosangana nekuchinja kukuru kwedzvinyiriro yesystem.

Kushandiswa kwemvura inopingirikaMunguva yekushanda, ma "mechanical seals" anodya mvura inovhara kuburikidza nekubuda kwe "seal leak" kwakajairika. Mvura inovhara iyi inozadzwa nemvura iri mu "accumulator", zvichikonzera kuwedzera kwegasi mu "dundira" uye kudzikira kwekumanikidzwa kwe "system". Shanduko idzi dzinoenderana nehukuru hwe "accumulator", mwero wekubuda kwe "seal leak", uye nguva yekuchengetedzwa kwe "system" inodiwa (semuenzaniso, mazuva makumi maviri nemasere).

Kuchinja kwekumanikidzwa kwesystem ndiyo nzira huru iyo mushandisi wekupedzisira anoteedzera mashandiro e seal. Kumanikidzwa kunoshandiswawo kugadzira ma alarm ekugadzirisa uye kuona kutadza kwechisimbiso. Zvisinei, kumanikidzwa kucharamba kuchichinja panguva iyo system iri kushanda. Mushandisi anofanira sei kuisa kumanikidzwa muPlan 53B system? Rini pazvinofanira kuwedzerwa mvura inodzivisa? Mvura yakawanda sei inofanira kuwedzerwa?

Seti yekutanga yakaburitswa zvakanyanya yekuverenga kweinjiniya kwePlan 53B systems yakaonekwa muAPI 682 Fourth Edition. Annex F inopa mirairo nhanho nhanho yekuti ungaziva sei kumanikidzwa uye huwandu hwehurongwa uhwu hwepombi. Chimwe chezvinodiwa zvikuru zveAPI 682 kugadzirwa kweplate yakajairika yeaccumulators ebladder (API 682 Fourth Edition, Tafura 10). Iyi nameplate ine tafura inobata pre-charge, refill, uye alarm pressures yesystem pamusoro pemamiriro ekunze ekupisa panzvimbo yekushandisa. Cherechedza: tafura iri mu standard inongova muenzaniso uye kuti kukosha chaiko kuchachinja zvakanyanya kana ikashandiswa kune imwe field application.

Imwe yepfungwa huru dziri paMufananidzo 2 ndeyekuti Piping Plan 53B inotarisirwa kushanda nguva dzose uye pasina kuchinja kumanikidzwa kwekutanga kwe pre-charge. Panewo pfungwa yekuti sisitimu inogona kusangana nekupisa kwese kwe ambient kwenguva pfupi. Izvi zvine zvazvinoreva pakugadzirwa kwesisitimu uye zvinoda kuti sisitimu ishande ne pressure yakakura kupfuura mamwe mapaipi maviri e dual seal.

Uchishandisa Mufananidzo 2 sereferensi, muenzaniso wekushandisa wakaiswa panzvimbo ine tembiricha yemhepo iri pakati pe -17°C (1°F) ne70°C (158°F). Chikamu chepamusoro cheiyi range chinoita sechakakwira zvisingaite, asi chinosanganisirawo mhedzisiro yekupisa kwezuva kwe accumulator inovhenekerwa nezuva zvakananga. Mitsetse iri patafura inomiririra nguva dzekupisa pakati pemhando dzepamusoro nedzakaderera.

Kana mushandisi wekupedzisira ari kushandisa sisitimu iyi, vanozowedzera kumanikidzwa kwemvura inovhara kusvika kumanikidzwa kwekuzadza kwasvika pakupisa kwemhepo kuripo. Kumanikidzwa kwealamu ndiko kumanikidzwa kunoratidza kuti mushandisi wekupedzisira anofanira kuwedzera mvura inovhara. Pa25°C (77°F), mushandisi anochaja accumulator kusvika pa30.3 bar (440 PSIG), alamu inoiswa pa30.7 bar (445 PSIG), uye mushandisi anozowedzera mvura inovhara kusvika kumanikidzwa kwasvika pa37.9 bar (550 PSIG). Kana tembiricha yemhepo yakadzikira kusvika pa0°C (32°F), ipapo kumanikidzwa kwealamu kunodzikira kusvika pa28.1 bar (408 PSIG) uye kumanikidzwa kwekuzadzazve kusvika pa34.7 bar (504 PSIG).

Muchiitiko ichi, kumanikidzwa kwealarm nekuzadzazve zvese zvinoshanduka, kana kuti kubhururuka, zvichienderana nekupisa kwemhepo. Maitiro aya anowanzo kunzi nzira yekuyangarara-yakadzika. Zvese zviri zviviri alarm nekuzadzazve "kubhururuka." Izvi zvinoguma nekumanikidzwa kwakaderera kwekushanda kwesealing system. Izvi, zvisinei, zvinoisa zvinodiwa zviviri zvakananga pamushandisi wekupedzisira; kusarudza kumanikidzwa kwealarm kwakakodzera uye kumanikidzwa kwekuzadzazve. Kumanikidzwa kwealarm yesystem ibasa retembiricha uye hukama uhwu hunofanira kurongwa muDCS system yemushandisi wekupedzisira. Kumanikidzwa kwekuzadzazve kuchaenderanawo netembiricha yemhepo, saka mushandi achafanirwa kutarisa zita rekuti awane kumanikidzwa kwakakodzera kwemamiriro aripo iye zvino.

Vamwe vashandisi vanoda nzira iri nyore uye vanoda nzira iyo kumanikidzwa kwealamu uye kumanikidzwa kwekuzadzazve kuri nguva dzose (kana kuti kwakasimba) uye kusina kusimba kwekunze. Nzira iyi inopa mushandisi kumanikidzwa kumwe chete kwekuzadzazve system uye kukosha chete kwekuvhiringidza system. Zvinosuwisa kuti, mamiriro aya anofanira kufungidzira kuti tembiricha iri pamutengo wepamusoro, sezvo kuverenga kwacho kuchitsiva kudzikira kwetembiricha yekunze kubva pamutengo wepamusoro kusvika pamutengo wepasi. Izvi zvinoita kuti system ishande pakushanda padanho repamusoro. Mune mamwe mashandisirwo, kushandisa nzira yakagadziriswa kunogona kukonzera shanduko mukugadzirwa kwechisimbiso kana MAWP ratings kune zvimwe zvikamu zvesystem kuti zvibate kumanikidzwa kwakakwira.

Vamwe vashandisi vanoshandisa nzira dzakasiyana-siyana dzine kumanikidzwa kwealamu kwakagadzika uye kumanikidzwa kwekuzadzazve kwakapfava. Izvi zvinogona kuderedza kumanikidzwa kwekushanda uku zvichirerutsa marongero ealamu. Sarudzo yehurongwa hwealamu hwakakodzera inofanira kuitwa chete mushure mekufunga nezvemamiriro ekushandiswa, tembiricha yemhepo, uye zvinodiwa nemushandisi.

Pane zvimwe zvakagadziriswa pakugadzirwa kwePiping Plan 53B zvinogona kubatsira kuderedza mamwe ematambudziko aya. Kudziisa kubva mumwaranzi yezuva kunogona kuwedzera zvakanyanya tembiricha yepamusoro yeaccumulator yekuverenga dhizaini. Kuisa accumulator mumumvuri kana kugadzira sun shield yeaccumulator kunogona kubvisa kupisa kwezuva uye kuderedza tembiricha yepamusoro mukuverenga.

Mutsananguro dziri pamusoro apa, izwi rekuti ambient temperature rinoshandiswa kumiririra tembiricha yemhepo iri mudundira. Kana tembiricha yemhepo ichichinja zvishoma nezvishoma kana kuti tembiricha yemhepo ichichinja zvishoma nezvishoma, izvi zvinonzwisisika. Kana paine kuchinja kukuru kwemamiriro ekunze pakati pemasikati neusiku, insulating accumulator inogona kuderedza kupisa kwemuviri wedundira zvichikonzera tembiricha dzakagadzikana.

Maitiro aya anogona kuwedzerwa kusvika pakushandisa heat tracing uye insulation pa accumulator. Kana izvi zvikashandiswa nemazvo, accumulator inoshanda patembiricha imwe chete pasinei nekuchinja kwezuva nezuva kana kwemwaka mukupisa kwekunze. Iyi pamwe ndiyo sarudzo yakakosha yekufunga nezvayo munzvimbo dzine tembiricha dzakasiyana-siyana. Maitiro aya ane base yakakura yakaiswa mumunda uye akabvumira Plan 53B kushandiswa munzvimbo dzingadai dzisina kukwanisika ne heat tracing.

Vashandisi vekupedzisira vari kufunga nezvekushandisa Piping Plan 53B vanofanira kuziva kuti iyi piping plan haisi Piping Plan 53A chete ine accumulator. Zvinenge zvese zvekugadzira sisitimu, kuiisa, kushandisa, uye kugadzirisa Plan 53B zvakasiyana neiyi piping plan. Zvizhinji zvekusagadzikana kwakasangana nevashandisi vekupedzisira zvinobva mukusanzwisisa sisitimu. Seal OEMs inogona kugadzirira ongororo yakadzama yekushandiswa kwakati uye inogona kupa ruzivo rwakakosha kuti ibatsire mushandisi wekupedzisira kunyatsotsanangura nekushandisa sisitimu iyi.