Uburyo bwo guhitamo umugozi ukwiye wo gufunga pompe z'inganda

Intangiriro

Guhitamo umugozi wo gufunga pompe bigira ingaruka nyinshi kuruta gusohoka kw'umugozi. Guhitamo neza bigira ingaruka ku gihe cyo gukora kw'ibikoresho, inshuro zo kubungabunga, ikoreshwa ry'ingufu, umutekano, no kubahiriza amahame ngenderwaho y'ibyuka bihumanya. Kubera ko imikorere y'umugozi iterwa n'umuvuduko w'imikorere, ubushyuhe, imiterere y'amazi, umuvuduko w'umugozi, n'imiterere y'umugozi, amahitamo akwiye muri sisitemu imwe ashobora kwangirika vuba mu yindi. Iyi nkuru isobanura ibintu by'ingenzi biyobora guhitamo umugozi, igereranya ubwoko n'ibikoresho bisanzwe byo gufunga, kandi ikagaragaza uburyo bwo kubihuza n'imiterere nyayo y'imikorere. Mu mpera, abasomyi bazaba bafite uburyo bufatika bwo guhitamo umugozi urushaho kuba mwiza kandi ugabanye ikiguzi cyose cyo gukora.

Impamvu Guhitamo Isefuro ry'Umugozi Rikwiye rya Pompe Ni ingenzi

Mu miterere y'ibikoresho bizenguruka,ikirango cy'umuyoboro wa pompeIgaragaza ubwirinzi bw'ibanze ku gutakaza amazi, kwandura kw'ikirere, no kwangirika gukabije kwa mekanike. Nubwo ifite igice gito cyane mu ipompe ikoresha centrifugal cyangwa positive, ipfundo ry'umugozi ni ryo rituma habaho ijanisha rinini ry'igihe ipompe idakora. Inyigo zishingiye ku bwizerwe mu nganda zigaragaza ko gupfundika kw'ipfundo ku kigero cya 65% kugeza kuri 70% by'ibikorwa byose byo kubungabunga ipompe.

Guhitamo uburyo bukwiye bwo gufunga si ikibazo cyo guhuza ibikoresho gusa; ni icyemezo kigoye cy’ubuhanga gigena mu buryo butaziguye ubuzima bw’umutungo. Imiterere myiza y’igifunga irushaho kugira igihe cyo hagati y’ibinaniranye (MTBF), irinda kubahiriza ibidukikije, kandi ikagabanya amafaranga akoreshwa mu bikorwa ajyanye no gutakaza ibicuruzwa no kubisana.

Ingaruka ku gihe cyo gukora no gusohoka kw'amazi

Isano itaziguye hagati yo guhitamo agapfunyika n'igihe cyo gukora kw'ibikoresho bipimirwa binyuze mu kigero cya MTBF n'igipimo cy'amazi asohoka mu buryo bunoze. Agapfunyika kakozwe neza cyane gakoresha ikoranabuhanga rikora mu bihe byiza gashobora kongera MTBF ya pompe kuva ku mezi 12 kugeza ku mezi arenga 36. Ku rundi ruhande, agapfunyika kakoreshejwe nabi kazagira ibibazo byo kwangirika mu maso vuba, kwangirika k'ubushyuhe, cyangwa kwangirika kwa elastomer, bigatuma gahagarara vuba.

Amabwiriza agezweho ajyanye n'imyuka ihumanya ikirere asaba kugenzura cyane imyuka iva mu kirere. Urugero,ibifunga bya mekanikeByakozwe hakurikijwe amahame ya API 682 ubusanzwe byakozwe kugira ngo bibuze imyuka ihumanya ikirere (VOC) kugera munsi ya 500 ku gipimo cya miliyoni (ppm), aho igipimo ntarengwa cyemewe cyo gusohoka kw'amazi gikunze kugabanywa kuri garama 5.6 ku isaha mu ikoreshwa risanzwe rya hydrocarbon. Kugumana ubwo bushobozi bwo kwihanganira gusohoka kw'amazi mu buryo bwa microscopic nibyo bituma inganda zitunganya zikomeza gukora nta kibazo gishingiye ku mategeko.

Ingaruka zo guhitamo ibirango nabi

Kunanirwa gusobanura neza uburyo bwo gufunga pompe neza bitera ingaruka mbi nyinshi. Ingaruka zihuse cyane ni iz'amafaranga: mu bikorwa byo gupima peteroli cyangwa gutunganya amazi menshi, igihe cyo kugabanya pompe kitateganijwe gishobora gutera ikiguzi kiri hagati y'amadolari 10.000 na 50.000 ku munsi mu gihe cyo gutakaza umusaruro gusa.

Uretse inyungu zatakaye, guhitamo nabi bibangamira umutekano. Ifu idashobora guhangana n’izamuka ry’umuvuduko ritunguranye cyangwa ubushyuhe bwinshi ishobora kugira ingaruka mbi ku maso, igasohora amazi ateza akaga, ashobora gushya, cyangwa uburozi mu kirere. Byongeye kandi, guhitamo nabi ifu ikunze gutuma ibikoresho byangirika, nko gucika cyane kw’umugozi, kwandura kw’ibice, no kwangirika kwa moteri bitewe n’amazi yinjira, bigakuba inshuro eshatu kugeza kuri eshanu.

Iby'ibanze by'ipfundo ry'umugozi w'ipompo n'ubwoko bw'ingenzi

Imashini zifunga imiyoboro y’inganda zikora ku ihame ryo kugenzura aho umugozi uzenguruka n’agasanduku k’imashini kadahinduka. Nubwo intego y’ibanze ihoraho, uburyo bwo gukoresha imashini buhinduka cyane bitewe n’ubukana bw’amazi, igipimo cy’amazi asohoka, n’ingengo y’imari ihari yo kubungabunga. Ibyiciro bibiri by’ingenzi ni ugupakira ibintu bisanzwe n’imashini zifunga neza.

Gupakira vs gufunga ibintu mu buryo bwa mekanike

Gupakira ibintu bikonjesha, mu mateka byitwaga gland packing, bikoresha ibikoresho biboshye (nka PTFE, grafiti, cyangwa aramid) bikonjesha hafi y'umuyoboro kugira ngo bibuze amazi gutembera. Bisaba ko amazi asohoka ku bushake kandi ahoraho—ubusanzwe bitonyanga hagati ya 40 na 60 ku munota—kugira ngo bishyire amavuta kandi bikonjeshe umuyoboro. Nubwo gupakira bitanga ikiguzi gito cyo kugura kandi bishobora kongera gupakirwa bidasenyuye ipompo neza, bikoresha imbaraga zikubye inshuro esheshatu zo gukururana kurusha ubundi buryo.

Ibyuma bifunganye bikoresha isura ebyiri zigororotse cyane (imwe izenguruka, indi ihagaze) zifatanye bitewe n’imbaraga z’impeshyi n’umuvuduko w’amazi. Ibyuma bifunganye bipima amazi, akenshi bifite ubugari buri munsi ya mikoroni imwe, bitandukanya isura, bigatuma amazi asohoka hafi ya zeru. Nubwo ishoramari rya mbere ari rinini, ibyuma bifunganye bikuraho gucika kw’imirongo kandi bigabanya cyane igihombo cy’umusaruro.

Ifuru imwe, ebyiri, n'iy'ikarito

Ifuru za mekanike zishyirwa mu byiciro hakurikijwe imiterere yazo. Ifuru imwe igizwe n'impande ebyiri z'amasasu ahuza kandi muri rusange zikwiriye amazi atarimo akaga kugeza kuri psi 300. Zishingira gusa ku mazi asukuwe kugira ngo zigire amavuta.

Ifunze ebyiri zikoresha impande ebyiri n'uburyo bwo gufunga amazi cyangwa icyuma gifunga amazi. Mu buryo bwo gufunga amazi kabiri gafite umuvuduko ukabije, amazi akingira agumana umuvuduko uri hagati ya 10% na 15% ugereranije n'umuvuduko w'agasanduku k'ipompo, bituma niba ifunze imbere rinaniwe, amazi akingira amazi yinjira mu nzira, aho kugira ngo amazi abangamira ikirere ajye mu kirere.

Ibyuma by'ikaritoni ibice byateguwe mbere birimo isura y'urupapuro, plaque y'igitambaro, sleeve, na elastomer zihinduka mu ipaki imwe. Binyuze mu gukuraho gukenera gushyiraho intoki uburyo bwo gukanda impera y'urupapuro (uburebure bw'akazi) ku giti, urupapuro rw'urupapuro rw'imashini rugabanya amakosa yo gushyiraho ku kigero cya 40% kandi byihutisha cyane igihe cyo gutunganya.

Ikwiriye cyane ku mazi meza, asanzwe cyangwa afite akaga

Guhuza ubwoko bw'ikimenyetso n'imiterere y'amazi ni inkingi y'ingenzi yo kwizerwa. Ku mazi meza kandi adateje akaga nk'amazi akonje cyangwa ibintu bishongesha byoroheje, ikimenyetso kimwe cya karitoli gitanga umusaruro uhendutse cyane.

Gukoresha ibintu birwanya uburozi, nko gucukura imyanda cyangwa amazi mabi arimo silica nyinshi, bisaba ibisubizo bikomeye. Guhuza isura ikomeye (urugero, Silicon Carbide irwanya Silicon Carbide) ni ngombwa, akenshi bihuzwa n'isuku yo hanze (API Plan 32) kugira ngo uduce duto dukomeze kure y'icyuho cy'ingenzi cyo kuziba.

Ku mazi ateza akaga cyane, afite uburozi, cyangwa yica, ibifunga bifite umuvuduko ukabije (bishyigikiwe na gahunda ya API 53A, 53B, cyangwa 54) birakenewe mu buryo bwemewe n'amategeko no mu mikorere. Izi mbonerahamwe zemeza ko nta byuka bihumanya ikirere bijya mu kirere, ibi bikaba ari itegeko rikomeye riteganywa na EPA n'amabwiriza mpuzamahanga agenga ibidukikije.

Amabwiriza n'Ibisobanuro Bigenga Uburyo bwo Guhitamo

Gutunganya umugozi w'ipompe bisaba gusuzuma imiterere nyayo y'imiterere n'ubushyuhe bw'ikoreshwa ry'ipompe. Igipimo rusange gikoreshwa mu kumenya ubushobozi bwo gufunga ni PV (Umuvuduko w'Umuvuduko), ibara umutwaro uri ku maso y'ipompe hamwe n'umuvuduko wo kugenda. Kurenga urugero rwa PV rw'uruganda bitanga icyizere cyo gushonga vuba vuba kw'ipompe no kwangirika kw'isura vuba.

Umuvuduko, ubushyuhe, umuvuduko, n'imiterere y'amazi

Imipaka y'umuvuduko ni yo igena imiterere y'umupfundikizo. Imipfundikizo isanzwe idahuje ubuziranenge ikunze kugarukira ku muvuduko w'agasanduku ko gushyiramo ibintu bya psi 150, mu gihe imipfundikizo ingana ishobora guhangana n'umuvuduko wa psi 400, naho imipfundikizo yihariye ishobora kwihanganira psi 3.000 mu miyoboro. Imiterere y'ubushyuhe igena uko ubushyuhe bushobora kwaguka; imipfundikizo igomba gukora mu mutekano mu buryo bunini, akenshi kuva kuri -40°C muri serivisi zikora amazi kugeza kuri 400°C mu nganda zitunganya amavuta ashyushye.

Umuvuduko wo kuzenguruka kw'umugozi ugira ingaruka zitaziguye ku mbaraga za centrifugal no ku bushyuhe bukabije ku maso ya seal. Inyinshi mu seal zisanzwe zihabwa amanota ku muvuduko wo ku ruhande kugeza kuri metero 25 ku isegonda (m/s). Byongeye kandi, imiterere y'amazi nk'ubushyuhe nk'ubushyuhe igira ingaruka cyane ku kuzamura hydrodynamic ya seal. Amazi afite ubushyuhe bwinshi (arenga centipoise 3,000) yongera imbaraga zo gukata ibice bizenguruka, akenshi bigasaba pin zihariye zo gutwara cyangwa uburyo bukomeye bwo kohereza torque kugira ngo seal idacikamo ibice.

Ubushobozi bw'ibikoresho ku maso, elastomer, n'ibice by'icyuma

Guhitamo ibikoresho ni inzira ikomeye yo guhuza ibyuma na elastomer n'ubukana bw'ibinyabutabire by'amazi y'imikorere. Ku bijyanye no gufunga ibintu, abahanga mu by'imashini bapima ubukana, imikorere y'ubushyuhe, n'ubudakora neza mu binyabutabire.

Elastomer (O-rings) nazo ni ingenzi cyane. Nitrile isanzwe (NBR) ifite ubushyuhe bugera kuri 90°C n'inshingano z'ibanze z'amazi/amavuta. Fluoroelastomer nka FKM (Viton) yongerera ubushyuhe ubushyuhe ubugari bwa 204°C kandi itanga ubudahangarwa bwagutse bw'imiti, mu gihe Perfluoroelastomer nka FFKM (Kalrez) zigenewe imiti n'ubushyuhe bukabije kugeza kuri 327°C. Ibice by'icyuma byubatswemo—amasoko, imitsi, n'amaboko—bisanzwe bikorwa mu byuma bita 316 Stainless Steel, nubwo ahantu hashobora kwangiza cyane bishobora gusaba Alloy 20, Hastelloy C-276, cyangwa Titanium.

Urutonde rw'ibyo ugomba guhitamo ku bijyanye n'ikimenyetso

Urutonde rwuzuye rw'ibipimo byo guhitamo ibifunga bigomba kwerekana ibipimo birenze ubushyuhe n'umuvuduko w'ibanze. Injeniyeri zigomba gusuzuma uburemere bw'amazi n'umuvuduko w'umwuka. Niba Umutwe w'ibifunga ufite Net Positive Suction Head (NPSHa) uri hafi cyane y'umuvuduko w'umwuka, amazi ashobora kunyura mu kirere ku maso y'ibifunga, bigatera umuyaga mwinshi.

Urutonde rw'ibintu bigomba kandi gupima ingano y'ibintu bikomeye. Ubusanzwe, ibikoresho bifite uburemere burenga 2% by'ibintu bikomeye bisaba imiterere yihariye y'isura y'urupapuro cyangwa imiterere ikomeye y'impeshyi imwe idapfa kuziba, kuko amasoko menshi mato y'imizingo ahita yangiza mu migezi iremereye.

Uburyo bwo kugereranya abatanga serivisi, amahame ngenderwaho, n'ikiguzi cyose

Gushaka umugozi wo gufunga pompe bisaba guhuza ibipimo bya tekiniki n'ibijyanye n'ubucuruzi.Abaguzi b'ingandabagomba gusuzuma abakora ibicuruzwa atari ku bicuruzwa bifatika gusa, ahubwo no ku kubahiriza amahame mpuzamahanga y’ubuhanga, ubushobozi bwabo bwo guhangana n’ibicuruzwa, ndetse n’ingaruka z’ikoranabuhanga ryatoranijwe mu bijyanye n’imari mu gihe kirekire.

Amabwiriza ajyanye n'ibyo asabwa n'amategeko agenga iyubahirizwa ry'amategeko

Amabwiriza agenga imikorere n'inganda ni byo shingiro ry'isuzuma ry'abatanga serivisi.urwego rwa peteroli, gaze, na peteroliIkigo cy’Abanyamerika gishinzwe peteroli API 682 (cyashyizwe ahagaragara nka ISO 21049) ni cyo gipimo ngenderwaho, gitegeka ibizamini bikomeye by’ubuziranenge, isuku y’ibikoresho bisanzwe, na gahunda zisanzwe zo gushyiramo imiyoboro y’ibipfukamunwa bya mekanike. Ku bijyanye no gutunganya imiti muri rusange, ibipfukamunwa bigomba kuba bihuye n’amabahasha ya ANSI B73.1 cyangwa DIN/ISO 2858 kugira ngo bihuze n’aho ipompe zisanzwe zikorera.

Mu nganda zikora imiti n'ibiribwa, kubahiriza amategeko bihinduka ku bijyanye n'isuku. Abatanga serivisi bagomba gutanga ibipfukamunwa byujuje amabwiriza ya FDA, icyemezo cya elastomer yo mu cyiciro cya VI cya Pharmacopeia yo muri Leta Zunze Ubumwe za Amerika (USP), n'amahame y'itsinda ry'ubuhanga n'ibishushanyo by'i Burayi (EHEDG), bigamije kwemeza ko igishushanyo mbonera cy'ibipfukamunwa nta hantu hapfuye hashobora kubaho bagiteri.

Ubushobozi bw'umutanga serivisi, igihe cyo kuzitanga, n'inkunga

Ubushobozi bw'umutanga bugira ingaruka zitaziguye ku gihe cyo kudakora kw'inganda. Ku byuma bifunga by'imashini bisanzwe, abatanga ibikoresho byo mu rwego rwo hejuru bakunze kugira igihe cyo gutangira gukora kuva ku cyumweru 1 kugeza kuri 2. Ariko, ibyuma bifunga byakozwe ku giti cyabyo ku mashini zikoresha ingufu nyinshi bishobora gufata ibyumweru 8 kugeza kuri 14 kugira ngo bikoreshwe mu byuma, mu gupima neza isura, no gupima gaze ihinduka. Abaguzi bagomba kandi kuzirikana Ingano ntoya zo gutumiza (MOQs); mu gihe ibyuma bifunga binini (birenga santimetero 2) bikunze kuboneka hamwe na MOQ ya byuma bifunga byihariye bya santimetero 1, bishobora gusaba kugura byinshi.

Ibikorwa remezo by’inkunga ya tekiniki ni ikindi kintu cy’ingenzi gitandukanya. Umutanga serivisi ushoboye azatanga ibikoresho byo gusana no gupima isura mu gace runaka, gutanga raporo y’isesengura ry’ibyangiritse, n’inkunga y’ubuhanga mu by’ikoranabuhanga kugira ngo bifashe mu gushyiraho ibintu bigoye no gushyiraho gahunda y’imiyoboro y’amazi.

Igiciro cy'ibanze ugereranije n'igihe cy'ubuzima

Kwibanda gusa ku giciro cya mbere cyo kugura ni ikosa rikunze kubaho mu kugura. Ikiguzi cy’ibanze cy’agakoresho kabigenewe gasanzwe kiba kiri hagati ya 15% na 20% by’ikiguzi cyose cy’ubukode (TCO) mu gihe cy’imyaka itanu.

Isesengura ryimbitse rya TCO rigomba kuba rireba ibikoresho by'imikorere. Urugero, nubwo gupakira amazi mu buryo bwo gukamura amazi bihendutse, ikiguzi cy'amazi yasukuwe asabwa kugira ngo akonjeshe—akenshi arenga litiro miliyoni 1 ku mwaka kuri pompe imwe—gishobora kurenza cyane ikiguzi cyo kuvugurura icyuma gifunga amazi. Mu buryo nk'ubwo, ku bikoresho bibiri bifunga amazi, kubungabunga, gutanga azote, no gushyiramo amazi abuza ibidukikije kuri sisitemu ya API Plan 53B accumulator bigomba kubarwa hakurikijwe ibyago by'amafaranga bishobora guterwa n'amazi ashobora kuva mu nzira.

Uburyo bwo guhitamo umugozi w'ipompo intambwe ku yindi

Guhitamo uburyo bwiza bwo gufunga umugozi bisaba uburyo bunoze, intambwe ku yindi buhuza imiterere, amateka yo kubungabunga, n'ingamba zo gutanga amasoko. Binyuze mu gukurikiza imbonerahamwe y'ibyemezo,abakora mu ngandabishobora gukuraho gukekeranya, gukumira ikoreshwa nabi, no gushyiraho ishingiro ryizewe ryo kuzenguruka ibikoresho.

Urukurikirane rw'ibyemezo kuva ku isuzuma ry'inshingano kugeza ku ihitamo rya nyuma

Urukurikirane rw'ihitamo rutangirana n'isuzuma rikomeye. Intambwe ya mbere ni ukugaragaza imiterere y'ibinyabutabire by'amazi, ubwinshi bwayo, n'imiterere y'icyiciro ku bushyuhe bwihariye bwo kuvoma. Intambwe ya kabiri irimo kubara ibahasha ikora neza, kumenya igitutu ntarengwa cy'agasanduku ko gushyiramo ibintu, no kugenzura ko umuvuduko w'umugozi uri mu mbibi za PV zitekanye z'ibikoresho byo ku ruhande byatanzwe.

Intambwe ya gatatu isaba kumenya uburyo bwo kugenzura ibidukikije.

Ibintu by'ingenzi byakunzwe

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• Intambwe zikurikiraho zifatika n'ibyo abasomyi bashobora gushyira mu bikorwa ako kanya

Ibibazo Bikunze Kubazwa

Ni ryari nkwiye guhitamo agapfunyika ka mekanike aho gupakira?

Hitamo agafunga ka mashini iyo ukeneye amazi make, ubusaza buke bw'umugozi, kandi igihe kirekire cyo gukora ipompo. Gupakira bikwiranye na serivisi ihendutse kandi idasaba ubwinshi ariko bisaba guhindurwa buri gihe no kugenzura amazi asohoka.

Nigute nahitamo ibikoresho byo gufunga umugozi bya pompe bikwiye?

Huza ibikoresho n'amazi, ubushyuhe, n'umuvuduko. Ku binyabutabire byangiza, koresha elastomer zihuye n'ibikoresho byo mu maso nka SiC cyangwa karuboni; kugira ngo ubone serivisi ishyushye cyangwa ikora cyane, yemeza n'umucuruzi wa seal.

Ni irihe tandukaniro riri hagati y'udupfundikizo tw'umugozi umwe n'udupfundikizo tubiri?

Ifuru imwe ikunze gukoreshwa ku bintu bisukuye bitarimo akaga. Ifuru ebyiri ni nziza ku bintu bifite uburozi, bigurumana, bitera ubushyuhe bwinshi cyangwa bidafite amavuta menshi kuko byongera uburyo bwo kubika no kumara igihe kirekire.

Ese Victor Seals ishobora gutanga imigozi y'umugozi ijyanye na OEM?

Yego. Victor Seals itanga seal zijyanye na OEM ndetse n’izisimbura izindi nka Grundfos, Flygt, IMO, Alfa Laval, APV, Lowara, Fristam, na Allweiler.

Ni ayahe makuru ngomba gutegura mbere yo gusaba ikiguzi cy'igipapuro?

Tanga icyitegererezo cya pompe, ingano y'umugozi, izina ry'amazi, ubushyuhe, umuvuduko, umuvuduko, ndetse niba hari ibintu bikomeye. Amafoto cyangwa ingano ya kashe ishaje nabyo bifasha Victor Seals gutanga igitekerezo cyo gusimbuza neza vuba.