Hydrostatic
Hydrostatic ibazi remvura mechanics inova concerned nemvura pakuzorora.Sezvambotaurwa, hapana tangential kana shear kushushikana kuripo pakati pezvimedu zvemvura zvakamira.
Saka mu hydrostatic, masimba ese anoita zvakajairwa kumuganhu wepamusoro uye akazvimirira pane viscosity.Nekuda kweizvozvo, mitemo inodzora iri nyore, uye ongororo yakavakirwa pakushandiswa kwakatwasuka kwemichina yemisimboti yesimba uye nguva.Mhinduro ndeyechokwadi pasina chikonzero chekuva neruzivo rwekuedza.
Diesel engine Vertical Turbine multistage centrifugal inline shaft water Drainage Pump Iri rudzi rwepombi yemvura yakatwasuka inonyanyo shandiswa kupomba kusaora, tembiricha isingasviki 60 °C, zvakaturikwa zvakasimba (zvisingasanganisi faibha, magrits) isingasviki 150 mg/L zvemukati. tsvina kana mvura inorasa.VTP mhando vertical drainage pombi iri muVTP mhando yakatwasuka pombi yemvura, uye pahwaro hwekuwedzera uye collar, isa chubhu mafuta ekuzora imvura.Inogona kusvuta tembiricha iri pasi pe60 °C, kutumira kune imwe tsanga yakasimba (yakaita sechirahwe chesimbi nejecha rakatsetseka, marasha, nezvimwewo) zvetsvina kana mvura yetsvina.
Kunyanya kudzvinyirira
The pressure intensity kana, zviri nyore, dzvinyiriro iri pamusoro isimba rekumanikidza pa unit area.Mumufananidzo 4, iyo yakadzika yakadzika yekumanikidza simba inobata yakachinjika
lamina yakaenzana nehuremu hweprism yemvura yakatwasuka pamusoro payo, pamwe nekudzvanywa kwesimba pakusangana neimwe mvura.Kuti pave ne static equilibrium panofanirwa kuve nekuenderana kumusoro kwakamira kudzvanywa pazasi pelamina.Muchiitiko chemvura isingagadzikike inosangana nemhepo, gauge pressure p (mu pascals) inopiwa ne
apo w ihwo huremu chaihwo hwemvura uye h ndiko kudzika pasi penzvimbo yemahara.Iyo yekupedzisira inodaidzwa kuti pre-
Fig.4.Dzvinyiriro inomanikidza pane yakanyura yakachinjika lamina
chokwadi musoro uye inowanzotaurwa mumamita emvura.Chimiro cheequation chinoratidza kuti dzvinyiriro inowedzera mutsara nekudzika.Sezvo simba rinokwevera zvinhu pasi chiri chivakwa chemuviri chinobatanidzwa, nzvimbo yemahara yemvura ichiri inogara yakachinjika uye kusimba kwakafanana pane chero ndege yakachinjika mukati memuviri wemvura.Uyezve, zvinogona kuratidzwa kuti kusimba kwesimba pane chero elemental particle kwakafanana mumativi ese.Izvi zvinotevera kubva mukutariswa kwemasimba ekumanikidza ari kushanda paprism yechinhu chetriangular-shaped prism (Fig.5) yeyuniti yakachinjika kureba, ine zvikamu zvechikamu δl,δx,δy,uye huwandu δw.
Fig.5.Pressure forces pane prism yakanyura yakaita setriangular
Nekuenzana munzira yakachinjika,
Zvakangofanana munzira yakatwasuka,
kuregeredza mazwi echipiri-yekurongeka ezvishoma zvishoma,
Saka Kusimba kwekumanikidza saka kwakazvimiririra kubva pakona yekurerekera kweiyo elemental uso uye yakafanana mumativi ese.
Chiyero chekumanikidza
Tmhando dzemudziyo
Panyaya yezvinwiwa zvine nzvimbo yakasununguka, iyo pressure panguva ipi zvayo inomiririrwa nehupamhi huri pasi pepamusoro.Kana mvura yakavharwa zvachose, semapombi uye mapikisi ekumanikidza, kumanikidzwa hakugoni kuwanika nyore uye chigadziro chekuyera chakakodzera chinodiwa.Kune matatu makuru marudzi: (a) piezometer, (b) manometer, uye (c) Bourdon geji.Izvi zvinoratidzwa zvakagadzirirwa pombi muMufananidzo 6.
Muenzaniso Nha: TWP
TWP yakatevedzana Movable Diesel Injini yekuzvimisikidza Well point Pombi dzeMvura dzechimbichimbi dzakabatanidzwa dzakagadzirwa neDRAKOS PUMP yekuSingapore neREEOFLO kambani yekuGermany.Iyi nhevedzano yepombi inogona kutakura marudzi ese akachena, asina kwaakarerekera uye anoora svikiro ane zvimedu.Gadzirisa kukanganisa kwakawanda kwechinyakare self-priming pombi.Iyi mhando yekuzvimisikidza pombi yakasarudzika yakaoma yekumhanyisa chimiro ichave otomatiki yekutanga uye kutangazve isina mvura yekutanga kutanga, Musoro wekusveta unogona kupfuura 9 m;Yakanakisa hydraulic dhizaini uye yakasarudzika dhizaini inochengeta yakanyanya kushanda kupfuura 75%.Uye zvakasiyana dhizaini kuisirwa sarudzo.
Piezometer
Ifa tapping inogadzirwa mumuganhu wepamusoro uye yakaringana yakareba chubhu yakabatana, iyo mvura inokwira muchubhu kusvika yakaenzana nemhepo yemhepo.Dzvinyiriro iri mumutumbi mukuru wemvura inomiririrwa nehupamhi hwakatwasuka hwembiru yemvura.Zviripachena, mudziyo wacho wakakodzera chete kune zvine mwero kudzvanywa, zvikasadaro mvura inokwira zvakanyanya mupiezometer chubhu kuitira kuyerwa kuri nyore.
Fig.6.Pressure measurement devices
Kana iyo mvura ichiyerera, iyo piezometer tapping haifanire kudarika 3 mm dhayamita uye inofanira kunge yakanyungudutswa nepamusoro pemuganhu.Nekunyanya kurongeka, piezometer ring inogona kuiswa.Iyi ine annular chamber yakatenderedza pombi uye yakabatana nayo nenhamba yakawanda yakaenzana tappings.
Manometer
Manometer Musimboti wakafanana newakatsanangurwa pamusoro, asi matambudziko ane chekuita nechubhu yakareba zvakanyanyisa anokundwa nekuisa U-chubhu ine mvura isingagoneki.Mercury(specific gravity 13,6) ndiyo manometer fluid inowanzo shandiswa kuyera kudzvinyirirwa kwemvura.Iyo gauge pressure p mupombi inopiwa ne
Kupi
h = mutsauko wehuwandu hwemanometer fluid mumakumbo maviri,
z = kureba kwemutsetse wepakati pepombi pamusoro pe meniscus mugumbo padivi repombi, uye
w, wm = huwandu hwakananga hwepombi uye manometer zvinwiwa zvichiteerana.
bapiro kune zvinzvimbo zvinoshanduka zve menisci, kuenzanisa kwakananga hakugoneki.Zvisinei, izvi zvinogona kuwanikwa kana nhengo iri padivi repombi yakawedzerwa zvikuru kuitira kuti chiyero che meniscus chirambe chiripo.Madzvinyiriro anogona ipapo kuverengwa kubva pachikero chakapedza kudzidza chakabatanidzwa kune imwe nhengo.
Fig.7.Kusiyana manometer
Kuongororwa kwehuwandu hwekuyerera kwepombi kazhinji kunobva pachiyero chemusiyano wekumanikidza pakati petapping dziri pedyo.Kusiyanisa manometer (Fig.7) inoshandiswa uye iyo manometer mvura inowanzova mercury.Kana misiyano yedzvinyiriro idiki, mvura yakareruka isingaverengeki inoburitsa mibairo chaiyo.
Musiyano wepressure pt- pzis wakapihwa na
apo zviratidzo zvine zvazvinoreva zvakafanana nezviri muEquation 6. Kana pombi yakachinjikaal,
Manometer akasiyana emhando yakaoma kunzwisisa akagadzirwa kuti asangane nezvinodiwa zvekutengesa uye marabhoritari maitiro.
Byedudon geji
Ichi chiridzwa chekutengesa chinosungirirwa zvakananga kune pombi pachayo kana kumagumo emutsara wepiezometer.Inosanganisira chubhu yakabhenda yakaturikwa zvakasununguka muchikamu chakakombama uye yakabatwa zvakasimba pahunde.Kuwedzera kwekumanikidzwa kwemukati kunowanzoita kutwasanudza chubhu uye, sezvo kutsauswa kunoenderana zvakananga nekumanikidza kunoshandiswa, nzira iri nyore inoita kuti iyo yekupedzisira inyorwe zvakananga.Sezvo kudzvinyirirwa kwekunze kwechubhu kuri mumhepo, gauge pressure inonyoreswa uye izvi zvinowanzoshanda kunzvimbo yepakati yechiridzwa.
Iyo Bourdon gauge inobatsira sechiratidzo chakajairika chekumanikidza asi haina kukodzera panodiwa kunyatsoita, sezvazvinowanzoitika kana mutsauko udzvinyiriri uchiyerwa.
Muenzaniso Nhamba: XBC-VTP
XBC-VTP Series vertical long shaft fire fighting pumps are series of single stage, multistage diffusers pumps, inogadzirwa maererano neazvino National Standard GB6245-2006.Isu takavandudzawo dhizaini nereferensi yechiyero cheUnited States Fire Protection Association.Inonyanya kushandiswa kugovera mvura yemoto mupetrochemical, gasi rechisikigo, gwenya remagetsi, machira edonje, wharf, ndege, warehousing, chivakwa chakakwira uye mamwe maindasitiri.Inogona zvakare kushanda kune ngarava, tangi yegungwa, ngarava yemoto uye dzimwe nguva dzekupa.
Centrifugal Gungwa Mvura Yekuenda Pombi
Muenzaniso Nhamba: ASN ASNV
Modero ASN uye ASNV pombi idanho rimwechete-kaviri suction split volute casing centrifugal pombi uye inoshandiswa kana yekufambisa yemvura yemabasa emvura, air-conditioning kutenderera, chivakwa, kudiridza, drainage pombi chiteshi, chiteshi chemagetsi, indasitiri yemvura yekupa mvura, kudzima moto. hurongwa, ngarava, kuvaka uye zvichingodaro.
Nguva yekutumira: Mar-25-2024