(FAQ) Imibuzo Evame Ukubuzwa Ngamaphampu Amakhemikhali

(FAQ) Imibuzo Evame Ukubuzwa Ngamaphampu Amakhemikhali

 A: Thatha umoya ungenalutho: uma iphampu inegesi noketshezi, iphampu ayikwazi ukusebenza, ukugeleza nokucindezela kuvame ukuba zero. I-Cavitation: iyenzeka empompini ngesikhathi sokusebenza, kusukela phakathi ngaphakathi kwepompo, ukugeleza nokushintsha kwengcindezi nokuwa, okuholela ekushaqekeni kwe-hydraulic. Ngokuvamile ukuthatha umoya ungenalutho ngaphandle kwepompo kubangelwa into ethile empompini, ngenxa yokufakwa kokuvuza kwepayipi lobuchwepheshe, ukuhogela igesi okubangelwa ukukhishwa bekungavamile, iningi labo libangelwa izinguquko ekusebenzeni kanye nenqubo ebangelwa. . Ukuze ugweme noma ulawule ukuvela kwe-cavitation, ekusebenzeni kokugeleza kwepompo kuya ekulinganiseni, ukunciphisa ukucindezela kanye nezinga lokushisa alikwazi ukubonakala lishintsha kakhulu. Emgqeni wokumunca iphampu kufanele kuvinjwe igesi ukuthi ingahlali, ukucindezela kwe-inlet kuwukucindezela okungekuhle kwe-standby pump inlet kufanele ivalwe. 

1)ukufanisa okuguquguqukayo :usayizi wangempela wembobo mkhulu kunosayizi wangempela wephampu

2) ukulingana okumile: usayizi wangempela we-shaft mkhulu kunosayizi wangempela wembobo eyenziwe ngumdlalo;

3) umehluko osobala: ukulingana okunamandla, i-axis ye-pair; ubukhulu bangempela bomgodi bukhulu kunobukhulu bangempela bomgodi; Imbobo ingenza ukunyakaza okuhlobene; ukulingana okumile: i-eksisi kanye nembobo akwenzeki ukunyakaza okuhlobene. 

A: Icocekile, ihlanzekile, igcotshiwe futhi iphephile 

A: I-Labyrinth seal: kunenombolo ehlelwe ngokulandelana kwamazinyo ayindandatho, amazinyo kanye ne-rotor ukwenza uchungechunge lwegebe elidonsayo kanye nokwandiswa kwesikhala, uketshezi ngokusonteka nokuphenduka okuningi kwesiteshi, ngemva kokushaya ngamandla nokukhiqiza. ukumelana okukhulu, Ukuze uketshezi kube nzima ukuvuza, ukuvala inhloso. 

 A: 1) izingxenye zingasetshenziswa ukushintshana, kanye nokufeza izingxenye zangempela zezinkomba, ezibizwa ngokuthi izingxenye ezishintshashintshayo.

2) idlale ngokuyinhloko ukukhanda okulula, ukunciphisa isikhathi sokulungisa, ukuthuthukisa ukusetshenziswa kwemishini kanye nendima yokusebenza kahle.

A: Iphampu yamandla ithumela ngokuqhubekayo amandla ukuba abe uketshezi, yenza amandla ayo e-kinetic esivinini kanye nomfutho wenyuke, okuyiwona onyuka kakhulu isivinini, bese ijubane layo liyancishiswa, lingenza amandla e-kinetic abe yingcindezi, ukusetshenziswa kwenyuse uketshezi ukuze kube ilethwe ngemva kokucindezela kwezokuthutha, njengokuthi: 1) iphampu ye-vane, iqukethe a iphampu ye-centrifugal, impompo yokugeleza okuxubile, iphampu ye-axial flow, iphampu ye-vortex, njll; 2) iphampu ye-jet, kuhlanganise iphampu ye-gas jet, i-liquid jet pump, Njll

 A: Impendulo: iphampu yokufuduka enhle ohlelweni lokushintsha ngezikhathi ezithile umthamo wepompo lephampu, ukuze isebenze kanye noshintsho lwezikhathi ezithile lwekhono lokudlulisa ukuthuthwa ukuze lithuthwe uketshezi, ngakho-ke ingcindezi ikhuphuka ngokuqondile ingcindezi edingekayo ukuze kuzuzwe inani ngemva kokulethwa, njengalokhu: 1) iphampu ephindaphindayo, iphampu yepiston, iphampu ye-plunger, amaphampu e-diaphragm, i-extrusion, njll; 2) iphampu ye-rotor, kuhlanganise nephampu yegiya, iphampu yesikulufu, iphampu ye-rotz, iphampu ye-rotary piston, impompo yesilayidi, iphampu ye-crankshaft, iphampu yerotor eguquguqukayo, iphampu ye-peristaltic,njll

A: ikakhulukazi zifaka: ukugeleza, ikhanda, i-NPSH, isivinini, amandla we-rotor nokusebenza kahle nokunye.

9.Kungani udinga idrayivu yediski evamile yemishini esele? Yini okufanele siyinake?

Impendulo: 1) i-disk drive evamile yemishini esele, enye iwukuba uhlole ukuthi imishini iguquguquka yini nokuthi kukhona ukumelana nekhadi; Okwesibili ukuvimbela i-deformation deformation nokunye, ukudlala indima yokulinda ngempela. I-2) ukunakwa kufanele kukhokhwe: enye iwukuthi ukuma kwe-rotor ngemuva kwepuleti yi-180 degrees ukusuka endaweni yokuqala; Ingxenye yesibili iwukuba gcoba uwoyela Lubricating we futha kufanele amafutha, Ngemva turning imoto, ukuvimbela umonakalo ezithwala.

A: I-current elinganiselwe iyinjini ku-voltage elinganisiwe, amandla akalwe esimweni somsebenzi ojwayelekile wamanje, uma engaphezulu kwesilinganiso samanje, injini kulula ukuyishisa, isenzo sedivayisi yokuvikela edluliselwe, ukuze indawo yokupaka iphampu, njengedivaysi yokuvikela i-relay akuyona isenzo noma isenzo Kulula ukushisa injini, umonakalo the futha centrifugal.

A) 1) Hlola ukuthi ithikithi lesevisi liyahambisana yini nenombolo yangempela yesisetshenziswa esizokhandwa; 2) Xhumana nomqaphi ukuze uthole ukuphela kukagesi; 3) Ukuhlinzeka ngokulimala kwemishini nokulungisa izingxenye ezithile kubasebenzi abalungisayo; 4) Ukugcinwa nokuphathwa kwekhwalithi yesondlo; 5) ngemva kokuphothulwa kwesondlo, thintana nokunikezwa kwamandla, ukuhlolwa; 6) emva kokusebenza okujwayelekile, ukuqapha umsebenzi wokuqapha, nokwenza irekhodi.

A) 1) i-valve ye-pump inlet ukugcinwa kwepompo lapho iphampu ihlukanisiwe noma inqanyulwa izingxenye zesistimu, ayikwazi ukusetshenziselwa ukulungisa ukugeleza kufanele ivuleke ngokugcwele;

 2) i-valve yokuphuma iwukuba ulungise ukugeleza nokuvula noma ukuvala ipompo lapho ukuhlukaniswa kwesistimu Kwezingxenye.

 A: Ngokwezimo zenqubo nengcindezi yokusebenza, isivinini sokuzungezisa isimo sokugqwala okumaphakathi.

 Impendulo: 1) uphawu lwe-non-metal cushion; 2) izigxivizo ze-gasket ezingezona zensimbi nezensimbi; 3) seal metal cushion.

 A: 1) ukuvuza okubangelwa umklamo; Ikhava ye-flange ne-flanged ayikhethiwe kahle; Ukukhethwa kwe-gasket B akufanelekile; I-C flange ne-bolt materials ayikhethiwe.

 2) ukuvuza okubangelwa ukukhiqiza, ukufakwa nokusebenza; Ukunemba kwe-flange ne-gasket machining akuhlangabezani nezidingo zobuchwepheshe; B qinisa amabhawodi, ukusebenza okungafanele, okubangela ukuchezuka kwe-gasket; Ubuso be-C flange seal abuhlanzekile noma bunokungcola.

Impendulo: mechanical seal, ebizwa nangokuthi ubuso iwubuso okungenani obubili bobuso bokuzungeza i-eksisi eqondile, ngaphansi kwesenzo sokucindezela koketshezi kanye nendlela yesinxephezelo, yenza lezi ziphetho zombili zihlangane, kanye nesihlobo sishelele futhi sivimbele idivayisi yokuvuza okuwuketshezi.

Impendulo: kunezinhlobo ezimbili, uphawu oluguquguqukayo kanye ne-static seal.

 A: 1) ukuphela kokuvala kwendandatho ehambayo kanye nendandatho emile iguge kakhulu futhi i-coefficient yokulayisha ayinangqondo ekwakhiweni. ukuze indawo yokugcina uphawu ikhiqize imifantu, i-deformation kanye nokuphuka. I-2) amaphutha emasongweni amaningana okufaka uphawu ayisizayo noma amaphutha ngenxa yokuhlangana okungafanele, nokukhethwa kwezimpawu eziyisizayo ezingafanelekile endaweni yokusebenza. 3) amandla okuqinisa entwasahlobo akwanele noma ngemva kokusebenza isikhathi eside, ukuphuka, ukugqwala, ukuphumula, ukupheka, kanye nendawo yokusebenza yezinhlayiya ezimisiwe zekristallisation noma ukuqoqwa kwesikhathi eside kokuminyana ekukhishweni kwentwasahlobo, kubangela ukwehluleka kwentwasahlobo, indandatho yesinxephezelo sophawu. ayikwazi ukuntanta, ukuvuza; 4) ngenxa yokuthi ukuchezuka okuqondile kwesiphetho sokuvala kanye ne-eksisi yeringi yophawu kukhulu kakhulu, isiphetho sokuvala sobuso bokuvala asiqinile ngokwanele ukubanga ukuvuza; 5) ngoba isiqondiso se-axial se-shaft sikhulu, izingxenye ezihlotshaniswa nophawu azifani kahle noma ikhwalithi impofu, ejwayele ukuvuza.

Impendulo: ngokuvumelana nemvelo ye-medium, ingcindezi yomsebenzi, izinga lokushisa, isivinini sokuslayida nezinye izici ongazikhetha, ngezinye izikhathi futhi ucabangele ikhono lokungqubuzana okomile isikhathi esifushane lapho uqala noma uphula ulwelwesi.

Impendulo: uphawu lwendandatho elintantayo lusekelwe kumphumela wokudonsa okhiqizwa emgodini omncane phakathi kwe-axis nendandatho entantayo, futhi uwoyela wokuvala ongaphezu kwengcindezi yegesi ujojowe ekuvuleni ukuze kufezwe injongo yokuvala igesi.

 Impendulo: 1) ukusetshenziswa kwesikhathi eside kwendandatho entantayo, ukuguga okujwayelekile nokukhala, ukwandisa igebe; 2) i-shaft lining yembobo yendandatho entantayo ilukhuni futhi ukunemba kuphansi. I-3) umhlangano ongalungile ubangela ukuphambuka, futhi ukunamathiselwe okunamathiselwe okuphakathi kulahlekile, ukuze ukugeleza kwamafutha kugeleza kusuka kwezinye izikhala, okuwukunyuka kokuvuza;

A: 1) igebe phakathi kwe-radial clearance likhulu kakhulu, noma igebe phakathi kweringi yophawu lomoya esanda kufakwa esikhundleni lincane kakhulu; 2) uphawu noma indandatho yegesi uphawu, phakathi kwamazinyo ngenxa yokuguga futhi buthuntu, noma ngenxa yokuguga eside ngemva deformation ukushisa, okuholela ekuhlulekeni ukusebenzisa; 3) ngemuva kokusebenzisa isikhathi eside, i-spring slacken, deformation, ngokushesha ukuvala indandatho ayikwazi ukufinyelela isikhundla esimisiwe, ngemva kokusebenza, ukuqoqwa kwemvula yothuli, ukungcola, ukuvala ingcindezi medium iphansi kunokusebenza medium ingcindezi nokuntengantenga ingcindezi, njll.

 Impendulo: uphawu lwesitsha sesikhumba, uphawu lwendandatho, uphawu lwesikulufa, uphawu lwe-pneumatic, uphawu lwe-hydraulic, uphawu lwe-centrifugal, uphawu lokupakisha, uphawu lwe-labyrinth, uphawu lwemishini, njll.

 Impendulo: 1) zivale ikhwalithi, 2) isimo sokusebenza kwenqubo, 3) ukunemba kokufakwa komhlangano, 4) ukunemba kokusingatha, 5) ukuvala uhlelo olusizayo.

 Impendulo: Uphawu lomshini lwakhiwe indandatho emile, indandatho enyakazayo, indlela yesinxephezelo sebhafa, indandatho yophawu olusizayo kanye nendlela yokudlulisela. Ubuso bokugcina beringi emile kanye neringi ehambayo buncike ku-eksisi yepompo futhi buhlangana ndawonye ukuze bakhe indawo ejikelezayo yokuvala. Indandatho emile kanye nendlala, konke kwenziwa ngendandatho eyisizayo yendandatho yotywino kushafti, ukunxephezela indandatho yomshini wokubhafa ehambisana nokunyakaza kwe-axial, indandatho yokuhlala kanye nobuso bokuphela kwendandatho engashintshi, nokugqokwa kobuso bendandatho yokuvala ukuze kunxeshezelwe.

Impendulo: 1) ukusebenza kahle kokuvala, ukuvuza kwezimpawu zemishini ngokuvamile ku-0.01 kuye ku-5 ml/h, ngokwezidingo ezikhethekile, ngomklamo okhethekile, ukukhiqizwa kokuvuza kwe-mechanical seal okungu-0.01 ml/h kuphela, ngisho nokuncane, kanye nophawu lokupakisha. ukuvuza kwe-3-80 - ml / h (ngokwezinhlinzeko ezifanele zezwe lethu, lapho ububanzi be-axle bungekho ngaphezu kwama-50 mm kusho ukuthi ukugeleza kulingana no-3 ml / h, lapho ububanzi be-axle buyi-50 mm kusho ukugeleza kuya ku-5 ml / h;

 2) isikhathi eside sokuphila kwayo, ngokuvamile ngaphezu kuka-8000h;

 3) amandla amancane okungqubuzana, kuphela ama-20% kuya ku-30% wokupakisha uphawu;

 4) akukho ukunyakaza okuhlobene phakathi kwe-shaft kanye nomkhono we-shaft kanye nezimpawu, futhi akukho ukungqubuzana, futhi umkhono we-axial ne-axial unokuphila okude;

 I-5) indawo yokuvala uphawu lomshini i-perpendicular ku-axis yepompo, futhi uphawu lungaveza ukufuduka nganoma yisiphi isikhathi lapho i-pump shaft idlidliza. Ngakho-ke, ukudlidliza kusengagcina ukusebenza kahle kokuvala uma kusebangeni elithile;

 6) uphawu lwemishini endimeni yokuvala umfutho we-liquid kanye namandla entwasahlobo, gcina indawo yokuvala indandatho emile/eguquguqukayo, futhi uthembele kumandla asentwasahlobo ukuze anxephezele ukuguga, ngakho-ke lapho ukuthunyelwa okufanele, ekusebenzeni kwephampu ngokuvamile. akudingeki ushintshe kaningi, kulula ukuyisebenzisa, umthwalo omncane wokulungisa;

 7) ingasetshenziswa ekushiseni okuphezulu, izinga lokushisa eliphansi, ukucindezela okukhulu, isivinini esikhulu kanye nokugqwala okuqinile;

 8) ukuxazulula izinkinga nokushintshwa kwezingxenye akulula futhi kungalungiswa kuphela ngemuva kokupaka;

 9) isakhiwo siyinkimbinkimbi, ukunemba komhlangano kuphakeme, umhlangano nokufakwa kunezidingo ezithile zobuchwepheshe;

 10) amanani okukhiqiza aphezulu.

Impendulo: 1) ububanzi be-axle: indawo ye-pump mechanical seal trunnion ngokuvamile ingu-6-200 - mm, ikhethekile ngu-400 mm, ububanzi bepompo ye-axle ngokuvamile budingeka ngamandla ngokuguquguquka okuyindilinga noma ukusebenzisa ikhola ukuze ivumelane nezinga lokuvala uphawu. ububanzi be-axle;

2) isivinini: ngokuvamile, isivinini sepompo siyefana, isivinini sokujikeleza sephampu ye-centrifugal evamile singaphansi noma silingana no-3000r/min; Ipompo ye-centrifugal yesivinini esiphezulu ingaphansi noma ilingana no-8000r/min, futhi iphampu ekhethekile ingaphansi noma ilingana no-4000r/min;

3) isivinini esimaphakathi somjikelezo wendawo yokuvala: isivinini esiyisiyingi somugqa wobubanzi obumaphakathi bondawo yokugcina yokuvala. Isilinganiso sesivinini somugqa sekhava yokuvala sikhulu ekushiseni nokuguga kwendawo evalekayo (ipheya yokushayisana). Ngokuvamile, ukuzungeza kophawu lokukhipha kungaphansi kokulingana no-30m/s; Isivinini esiyisiyingi se-spring stationary mechanical seal esisetshenziswayo singaphansi kwamamitha ayi-100 ngomzuzwana. Okukhethekile kungaba ngaphansi noma kulingane no-150m/s;

I-4) ingcindezi yesilinganiso sobuso: ubuso bokuphela yingcindezi yokuxhumana (MPa) ngaphansi kwendawo yokuvala. Ubuso bokugcina bobuso bokuvala kufanele bulawuleke phakathi kwebanga elifanele, futhi ukusebenza kokuvala kuzoncishiswa ngosayizi oweqile, futhi isembozo sokuvala sizoshiswa futhi sigqokwe umhlangano omkhulu. Isigxivizo semishini sepompo yinani elifanele lokucindezela kwesilinganiso sokuphela kwendawo: uphawu olwakhelwe ngaphakathi, ngokuvamile i-Pc = 0.3-0.6mpa; Ngokulayisha kwangaphandle, i-Pc = 0.15-0.4mpa. I-lubricity engcono lapho ubhekene nengcindezi ethile ingakhuphuka ngokufanele, i-viscosity ephezulu yefilimu ye-liquid ikhuphuka ekupheleni ibhekene nengcindezi ethize, i-avalible Pc = 0.5 -0.7 MPa uketshezi oluguquguqukayo oluphansi, ukuthambisa kufanele kuthathe ingcindezi encane yobuso, etholakalayo = 0.3-0.3 I-MPa.

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