Unonyatsonzwisisa Mapombi eCentrifugal Here? Mibvunzo 8 yeUinjiniya Inobatsira Kuvimbika kwePombi

Ø Mubvunzo 1: Sei pombi yekusveta ichiwanzova yakakura kupfuura pombi yekusveta pombi?

Iyi itsika yakajairika mukuisa pombi dze centrifugal.

Muzvishandiso zvakawanda,dhayamita yepombi yekusveta inosarudzwa saizi imwe yakakura kupfuura muromo wekusveta pombiChinhu chinodzora mvura chinowanzo shandiswa kubatanidza pombi nepombi.

Sei?

Pane zvikonzero zvikuru zvitatu:

Sei chinhu chinoderedza simba chinoshandiswa zvakanyanya?

Pakudhonza mapaipi akatambanudzwa, achinhu chinoderedza eccentric chakatsetseka-pamusoroinowanzoshandiswa kuderedza mukana wekuti mapombi emhepo aumbe mumutsara wekusveta.

Zvisinei, uyu hausi mutemo wakakwana wekuisa kwese.

Kutarisa kwemuchina wekudzora mvura kunofanirwa kusarudzwa zvichibva pakurongeka kwepombi, kutsveyama kwepombi, hunhu hwemvura, uye mukana wekuungana kwemhepo.

Nheyo yeinjiniya

Chinangwa hachisi chekungoita kuti pombi yekusveta ive "yakakura saizi imwe chete."

Dhizaini yacho inofanira kufunga nezve:

• · Kumhanya kwekusveta
• · Kurasikirwa nekukakavadzana uye kumanikidzwa kwenzvimbo
• · NPSHa
• · Patani yekuyerera kwepombi inopinzwa
• · Kureba kwepombi yakatwasuka
• · Nzvimbo yemagokora nemavharuvhu
• · Mikana yekuisa mapoketi emhepo

Ø Mubvunzo wechipiri: Sei vharuvhu yekudzora ichiwanzova diki pane pombi huru?

Kusiyana nemapombi ekusveta, mavharuvhu ekudzora haasarudzwe nguva dzose ane dhayamita yakafanana neyepaipi huru.

Semuyenzaniso:

Pane zvikonzero zvakati wandei zvemuitiro uyu.

1. Mutengo wakaderera

Vharuvhu diki inowanzodhura zvishoma pane vharuvhu ine dhayamita yakafanana nepaipi huru.

2. Kudzora kuri nani

Vharuvhu yekudzora inodzora kuyerera kwemvura nekuchinja kuvhurika kwayo.

Kana vharuvhu yakakura zvakanyanya, inogona kushanda paburi diki pasi pemamiriro ezvinhu akajairwa. Izvi zvinogona kuderedza huwandu hwayo hwekutonga hunoshanda uye kuita kuti kudzora kuyerera kwemvura kwakaoma.

Vharuvhu diki rakakura zvakanaka rinogona kushanda munzvimbo yakakodzera yekuvhura.

3. Kuchinjana kuripo ndiko kurasikirwa kwakanyanya kwedzvinyiriro

Vharuvhu diki inowedzera kumhanya kwekuyerera kwemvura uye nokudaro inowedzera kudzikira kwekumanikidzwa kwemhepo.

Saka musimboti wacho hausi:

Vharuvhu inofanira kusarudzwa nemazvo zvichienderana ne:

• · Mwero wekuyerera kwemvura
• · Kumanikidzwa kwakasiyana-siyana
• · Cv/Kv
• · Nzvimbo yekudzora inodiwa
• · Kuderedzwa kwekumanikidzwa kunobvumidzwa

Ø Mubvunzo wechitatu: Ko pombi ye centrifugal suction inlet inoda kumanikidzwa kwakanaka nguva dzose here?

Aihwa.

Pfungwa isiriyo inowanzotaurwa ndeyekuti kumanikidzwa kwekusveta kwepombi ye centrifugal kunofanira kugara kuri pamusoro pekumanikidzwa kwemhepo.

Muchokwadi, mapombi mazhinji anogona kushanda nechikamu chemvura chiri pasi pepakati pepombi, zvichibvumira pombi kusimudza mvura kubva pasi.

Zvisinei, nyaya huru haisi yekungoti pombi inogona "kusimudza" mvura yacho here.

Sisitimu chaiyo inofanira kuzadzisa mamiriro anodiwa eNPSH:

Sezvo suction lift ichiwedzera, kumanikidzwa kwepombi inopinzwa kunoderera uye kurasikirwa kwemuchina wekusveta kunowedzera kukosha.

Saka, kana kukwidza kwesimba rekusveta kwakakwira, ndipo panofanira kuongororwa nekungwarira kuti pave nenjodzi yekubuda kwetsvina.

Ø Mubvunzo wechina: Vharuvhu yekuchekerera inodiwa here parutivi rwekubuditsa pombi?

Munzira dzakawanda dzekupomba,vharuvhu yekutarisa kubuda kwemvura chikamu chakakosha chekugadzirwa kwesystem.

Inonyanya kupa mabhenefiti matatu.

1. Inodzivirira kuyerera kwemvura kubva pakudzokera shure

Kana pombi yamira, kusiyana kwekumanikidzwa muhurongwa kunogona kukonzera kuti mvura idzokere ichidzokera kupombi.

Vharuvhu yekutarisa inodzivirira kuyerera uku kwekudzoka shure.

2. Inodzivirira kutenderera kwemashure

Kuyerera kwemvura kunodzokera shure kunogona kukonzera kuti pombi itenderere kumashure.

Zvichienderana nehurongwa hwepombi nemutyairi, izvi zvinogona kukonzera matambudziko ne:

• · Zvisimbiso zvemakanika
• · Mabheyaringi
• · Zvisungo
• · Mota kana zvimwe zvishandiso zvekutyaira

3. Inobatsira kuchengetedza pombi yakazara

Mune mamwe masisitimu, kuchengetedza mvura mumutsara wekuburitsa mvura kwakakosha kuti system itangezve kushanda zvakanaka uye kuti ishande zvakanaka.

Zvisinei, rudzi rwevharuvhu, nzvimbo yekuisa, uye hunhu hwekuvhara zvinofanirwa kusarudzwa zvichienderana nehurongwa chaihwo.

Kune masisitimu anonzwa kubatwa nehammer yemvura, mamwe matanho akadai semavharuvhu ekuongorora asingatsvedzeri, mavharuvhu ekuongorora anovhara zvishoma nezvishoma, mavharuvhu emhepo, kana michina yekudzivirira kukwira kwemhepozvingangodiwa.

Ø Mubvunzo 5: Ndeipi nzira yakakodzera yekuisa pombi ye centrifugal?

Kusagadzikana kwepombi dzimwe nguva kunokonzerwa kwete nepombi pachayo, asi nekusarongeka zvakanaka kwepombi.

Dambudziko rimwe chete rinowanzoitika nderekuti:

Zvakanakisa

Mune mamwe masisitimu ekupomba, pombi yekuburitsa mvura inofanira kusimuka ichienda kutangi rekugamuchira kana kwainoenda sisitimu.

Izvi zvinobvumira mhepo inopinda musystem kufamba ichienda kunzvimbo yakakwirira uye pakupedzisira inobuda.

Kurongeka kwakanakira kuri nyore ndekwekuti:

Chii chinoitika mumapurojekiti chaiwo?

Mukuisa chaiko, mapaipi anowanzo sanganisira zvikamu zvakareba zvakatwasuka.

Chikamu chakareba chakati twasu hachisi dambudziko.

Chinokosha ndechekudzivisa zvisina kufanira:

• · Nzvimbo dzakakwirira
• · Mapoinzi akaderera
• · Materu ekudzokera shure
• · Nzvimbo dzinogona kuungana mhepo

Kana chinhu chikuru chisingagoni kudzivirirwa, zvakakodzeravharuvhu yekuburitsa mweya / vharuvhu yemhepozvingangodiwa.

Ko kana vharuvhu yekudzora yakaiswa pedyo nemagumo epombi?

Nzvimbo yevharuvhu yekudzora inofanira kufungwa pamwe chete nezinga retangi, kumanikidzwa kwemvura, kuderera kwedzvinyiriro yevharuvhu, uye njodzi yekuvhuvhuta kweropa.

Sisitimu iyi inofanira kuchengetedza kumanikidzwa kwakakwana pavharuvhu uye kudzivirira mamiriro ekushanda anogona kukonzera cavitation.

Nheyo huru ndeiyi:

Ø Mubvunzo 6: Ungaongorora sei mashandiro epombi mumunda?

Imwe yenzira dzakavimbika ndeyekuenzanisazviyero chaizvo zvemunda nekongiri yekushanda kwepombi yemugadziri.

Zviyero zvakajairika zvinosanganisira:

• · Mwero wekuyerera kwemvura
• · Kumanikidzwa kwekusvuta
• · Kumanikidzwa kwekubuda kwemhepo
• · Kumhanya kwepombi
• · Musiyano wekukwirira pakati penzvimbo dzekuyera kumanikidzwa nepakati pepombi

Magauji ekumanikidza anofanira kuiswa kupi?

Mageji ekudzvanya anofanira kuiswa pedyo nepapombi inokweva nekuburitsa pombi.

Musiyano wekukwirira pakati penzvimbo dzekuyera kumanikidzwa nepakati pepombi unofanirawo kunyorwa.

Musoro wepombi hausi wekungoti:

Kuverenga kunofanirawo kufunga nezvemusiyano wekukwira uye, pazvinenge zvakakodzera, mhedzisiro yekumhanya.

Mwero wekuyerera kwemvura ungayerwa sei?

Zvakanaka kushandisa mudziyo wekuyera kuyerera kwemvura wakakodzera wakaita se:

• · Chiyero chemagetsi chinoyerera
• · Chiyero chekuyerera kwemvura cheUltrasonic
• · Chiyero chekuyerera kweturbine
• · Mimwe michina yakakodzera yekuyera kuyerera kwemvura

Kana pasina muchina wekuyeresa mvura, dzimwe nguva mvura inogona kuyerwa nekuyera nguva inodiwa kuzadza tangi rine huwandu hunozivikanwa.

Tinogona kungotarisa chete musoro wekuvhara?

Ehe, kuti utarise mashandiro ebasa.

Iyomusoro wakavharikakunoitika kana mvura yayerera isina kuyerera, saka hapana kuyerwa kwekuyerera kunodiwa.

Kuenzanisa musoro wakayerwa wakavharika nekakombama kemugadziri kunogona kubatsira kuona kana:

• · Pombi iri kushanda nekumhanya kwakakodzera
• · Dhayamita chaiyo ye impeller yakaiswa
• · Kushanda kwepombi kunowanzoenderana nekongiri inotarisirwa

Zvisinei:

Kushanda kwemvura isina kuyerera kunogona kukonzera kupisa zvakanyanya, kutenderera kweropa mukati, kukuvara kwechisimbiso chemuchina, nezvimwe zvinetso.

Zvakadini nekushanda zvakanaka kwepombi?

Kuyera kushanda zvakanaka kwakaoma nekuti simba rekupinda mupombi rinofanira kusarudzwa nemazvo.

Mukuyedza kwemumunda, izvi zvinogona kusanganisira kuyera simba rekupinda kwemota uye kuongorora kushanda kwemota nekufambisa, kana kuyera zvakananga shaft torque nekumhanya.

Ø Mubvunzo wechinomwe: Kusviba kwemvura kunokanganisa sei mashandiro epombi ye centrifugal?

Makorivhiti mazhinji ekushanda kwepombi ye centrifugal anobva pakuyedzwa nemvura yakachena pasi pemamiriro ezvinhu akajairwa.

Kana mvura inopombwa iine viscosity yakakwira kupfuura mvura, mashandiro epombi anogona kuchinja zvakanyanya.

Migumisiro yakajairika inosanganisira:

• · Kuyerera kwakaderera
• Musoro wepazasi
• · Kushanda zvishoma
• · Kudiwa kwesimba rakawanda

Saka:

Kuwanda kwemvura, huremu, tembiricha, uye nzvimbo yekushandisa zvinofanirwa kutariswa.

Kune zvinwiwa zvinonamira zvakanyanya, kushanda zvakanaka kwepombi ye centrifugal kunogona kudzikira zvakanyanya.

Zvichienderana nechikumbiro,pombi dzakanaka dzekuchinja, zvakaita semapombi ezvikuruu, mapombi egiya, kana mapombi anotenderera, zvinogona kupa mhinduro iri nani.

Hapana hunhu humwe chete hwekusviba hunogona kushandiswa semuganho wepasi rose wepombi yega yega ye centrifugal. Kukodzera kwepombi kunofanirwa kuongororwa zvichibva pakushandiswa kwayo chaiko uye dhizaini yepombi.

Mubvunzo wechisere: Pombi inogona kushanda chero kupi mukati mehuwandu hwekuyerera hunoratidzwa pakoridho yayo yekushanda here?

Hazvisi hazvo.

Kuonekwa kwepombi pakona yepombi hazvirevi kuti ndiyo nzvimbo yakakodzera yekushanda nguva dzose.

Pombi ye centrifugal inofanira kushanda zviri pedyo ne:

Mapurogiramu mazhinji anotarisa nzvimbo yakajairika yekushanda yakatenderedza80%–120% yeBEP flow, asi huwandu chaihwo hwekushanda hunotenderwa hunofanira kugara hwakavakirwa pahamvuropu yekushanda inokurudzirwa nemugadziri.

Sei kushanda kwenguva refu kwemvura shoma kuchifanira kudzivirirwa?

Kana kuyerera kwemvura kuri pasi peBEP zvakanyanya, pombi inogona kusangana ne:

• · Kudzokororwa kweropa mukati memuviri
• · Kukwira kwetembiricha
• · Kuwedzera kwemitoro ye radial
• · Kudedera kwakanyanya
• · Kupfekwa kwechisimbiso chemuchina
• · Kuwedzera kwemitoro yekutakura

Kana kushanda kwenguva refu kusingadzivisiki, mhinduro dzinosanganisira:

Sarudzo 1: Mutsetse wekufamba zvishoma nezvishoma / wekudzoka kwemhepo

Chikamu chemvura chinodzoserwa nguva dzose kunzvimbo inosvetwa kana kune imwe nzvimbo yakakodzera.

Sarudzo 2: Kutyaira nekumhanya kwakasiyana-siyana

VFD inogona kushandiswa kuderedza kumhanya kwepombi uye kuenderana zviri nani nezvinodiwa chaizvo zvesystem.

Zvakadini nekuyerera kwemvura yakawandisa?

Kushanda zvakanyanya kurudyi rwepombi kunogona kukonzera matambudziko, anosanganisira:

• · NPSHr yepamusoro
• · Muganho weNPSH wakaderedzwa
• · Kucheneswa kwemuromo
• · Kuwedzera kwekuzunguzika
• · Mota yakawandisa
• · Kushanda zvishoma

Saka:

Nzvimbo inoshandiswa pakushanda inowanzova pedyo nenzvimbo yekugadzirwa uye BEP, ukuwo ichiramba iri mukati menzvimbo yekushanda inobvumirwa nemugadziri.