Ukulahleka koxinzelelo lweMitha yokuHamba: Inkcazo kunye neMpembelelo

Iimitha zokuhamba kwamanzi zizixhobo ezisetyenziswa kakhulu kumashishini ukulinganisa ukuhamba kwamanzi afana nolwelo, iigesi, kunye nomphunga. Ngexesha lenkqubo yokulinganisa, ulwelo luhlala lufumana ukumelana okuthile njengoko ludlula kwimitha yokuhamba kwamanzi, nto leyo ekhokelela ekwehleni koxinzelelo. Le meko yaziwa ngokubaukulahleka koxinzeleloUbukhulu bokulahleka koxinzelelo abuchaphazeli nje kuphela ukuchaneka komlinganiselo kodwa bukwachaphazela nokusebenza kakuhle kwamandla kwenkqubo kunye neendleko zokusebenza. Eli nqaku liza kuchaza ukuba yintoni ilahleko yoxinzelelo lwemitha yokuhamba, zeziphi iimitha zokuhamba ezihambayo ezinelahleko ephezulu yoxinzelelo, zeziphi ezinexabiso eliphantsi, kunye nendlela yokukhetha imitha yokuhamba efanelekileyo.

1. Yintoni iFlow Meter Pressure Loss?

Ukulahleka koxinzelelo lwemitha yokuhamba kwamanzi kubhekisa ekunciphiseni koxinzelelo lolwelo olubangelwa zizinto zangaphakathi zesakhiwo semitha yokuhamba kwamanzi, ezifana nokugoba kwipayipi, ukufinyela kwiindawo ezifihlakeleyo, kunye nezinye izinto ezithintelayo. Imitha yokuhamba kwamanzi nganye inoyilo olwahlukileyo, kwaye ngenxa yoko, iimitha zokuhamba kwamanzi ezahlukeneyo zibonelela ngamanqanaba ahlukeneyo okuxhathisa ukuhamba kwamanzi, okubangela amanqanaba ahlukeneyo okulahleka koxinzelelo.

Izizathu eziphambili zokulahleka koxinzelelo lwemitha yokuhamba kwamanzi ziquka:

• Utshintsho kwicala lokuhamba kolwelo (njengokumelana kwangaphakathi, ukugoba, njl.njl.)
• Ukungqubana kwezinto zangaphakathi (ezifana neeturbines, iisensors)
• Utshintsho kwisantya solwelo
• Ukulahleka koxinzelelo lwengingqi kwiindawo zangaphakathi zemitha yokuhamba kwamanzi

Okukhona uxinzelelo lulahleka kakhulu kwimitha yokuhamba kwamanzi, kokukhona amandla amaninzi elahleka njengoko ulwelo luhamba ngalo, nto leyo enokubangela ukusetyenziswa kwamandla aphezulu kwaye ichaphazele nokuzinza kokuhamba kwamanzi.

2. Zeziphi iiMeter zoMsinga ezinelahleko ephezulu yoxinzelelo?

Ezinye ii-flow meter zivelisa ilahleko ephezulu yoxinzelelo ngenxa yemigaqo yazo yokusebenza kunye neempawu zoyilo. Apha ngezantsi kukho ii-flow meter ezimbalwa ezivelisa ilahleko ephezulu yoxinzelelo:

Iimitha zokuhamba kweTurbine

Iimitha zokuhamba kweturbine zilinganisa ukuhamba ngokujikeleza kweturbine eqhutywa lulwelo. Ukungqubana phakathi kweturbine kunye nolwelo, kunye notshintsho kwicala lokuhamba, kukhokelela ekulahlekelweni koxinzelelo oluphezulu. Iimitha zokuhamba kweturbine zihlala zinelahleko enkulu yoxinzelelo, ingakumbi xa kufikeleleka amazinga aphantsi okuhamba. Ezi mitha zilungele ukusetyenziswa kokuhamba okuphakathi ukuya phezulu kodwa azifanelekanga kwiimeko ezifuna ukuchaneka okuphezulu okanye ukuhamba okuphantsi.

Iimitha zokuhamba kweepleyiti ze-Orifice

Iimitha zokuhamba kweepleyiti ze-orifice zilinganisa ukuhamba ngokudala utshintsho lwesantya xa ulwelo ludlula kumngxunya omncinci. Umahluko woxinzelelo ngaphambi nasemva kwe-orifice ubangela ukulahleka koxinzelelo okuphawulekayo. Ukulahleka koxinzelelo kuphezulu kakhulu xa kujongwana namazinga amakhulu okuhamba. Iimitha zokuhamba kweepleyiti ze-orifice zihlala zisetyenziselwa imibhobho emikhulu kunye nokusetyenziswa kokuhamba okuphezulu, kodwa azifanelekanga kwiimeko apho ukulahleka koxinzelelo oluphantsi kubaluleke kakhulu.

Iimitha zokuhamba kweetyhubhu zeVenturi

Iimitha zokuhamba kwetyhubhu yeVenturi zilinganisa ukuhamba ngotshintsho lwesantya oluvelayo xa ulwelo ludlula kwindawo encinci yombhobho. Nangona uyilo lwetyhubhu yeVenturi lulungiselelwe ukunciphisa ukulahleka koxinzelelo, lusavelisa ukulahleka okukhulu koxinzelelo, ingakumbi xa isantya solwelo siphezulu. Nangona inika imilinganiselo echanekileyo, ayifanelekanga kwiinkqubo ezineemfuno ezingqongqo zokulahleka koxinzelelo.

3. Zeziphi iiMeter zoMsinga ezinelahleko ephantsi yoxinzelelo?

Ezinye iimitha zokuhamba kwamanzi ziyilwe ngezakhiwo ezilula ezinciphisa ngempumelelo ukumelana nolwelo, nto leyo ebangela ukulahleka koxinzelelo oluphantsi. Nazi iimitha zokuhamba kwamanzi ezimbalwa ezinokulahleka koxinzelelo oluphantsi:

Iimitha zokuhamba kwe-Ultrasonic

Iimitha zokuhamba ze-ultrasonic zilinganisa ukuhamba ngokudlulisa nokufumana imiqondiso ye-ultrasonic. Ekubeni kungekho zixhobo zangaphakathi ezihambayo, azibangeli phantse ukuxhathisa ukuhamba kolwelo. Ukulahleka koxinzelelo kwiimitha zokuhamba ze-ultrasonic kuphantse kube zero, nto leyo eyenza ukuba zilungele ukusetyenziswa ezifuna ukulahleka koxinzelelo oluphantsi. Ezi mitha zihlala zisetyenziswa kwimibhobho kwaye aziphazamisi ukuhamba kolwelo, kwaye azingcolisi ulwelo.

Iimitha zokuhamba kwe-electromagnetic

Iimitha zokuhamba ze-electromagnetic zisebenza ngokusekelwe kumthetho kaFaraday wokungenisa i-electromagnetic. Azixhomekekanga kwiimpawu zolwelo kwaye azinazo iindawo zoomatshini. Njengoko ulwelo ludlula kwimitha yokuhamba kwe-electromagnetic, alufumani lahleko yoxinzelelo. Ezi mitha zifanelekile kwiimilinganiselo ezinkulu zokuhamba kunye nokusetyenziswa ngokuchanekileyo okuphezulu, ngakumbi kwiilwelo eziqhuba umbane.

Iimitha zokuhamba kobunzima beCoriolis

Iimitha zokuhamba kobunzima beCoriolis zilinganisa ukuhamba ngokufumanisa utshintsho kubunzima bolwelo, kwaye uyilo lwazo alubandakanyi naziphi na izinto ezithintela ukuhamba kolwelo. Ngenxa yoko, zivelisa ukulahleka koxinzelelo oluphantsi kakhulu. Zilungele ngokukodwa ukusetyenziswa ngokuchanekileyo okuphezulu, okunobuthathaka ekulahlekelweni koxinzelelo oluphantsi njengakwimizi-mveliso yeekhemikhali neoyile.

Iimitha zokuhamba kobunzima bobushushu

Iimitha zokuhamba kobunzima bobushushu zilinganisa ukuhamba ngokufumanisa utshintsho kubushushu bolwelo. Ezi mitha azidli ngokwenza ukuba kubekho ukumelana okukhulu nokuhamba kolwelo, nto leyo ethetha ukuba ukulahleka koxinzelelo lwazo kuphantsi. Iimitha zokuhamba kobunzima bobushushu zihlala zisetyenziselwa ukulinganisa ukuhamba kwegesi.

4. Ungayikhetha njani iMitha yoMsinga oLungileyo?

Xa ukhetha imitha yokuhamba kwamanzi, ukongeza kwizinto ezinje ngokuchaneka komlinganiselo, ixabiso, kunye nobomi benkonzo, ukulahleka koxinzelelo yinto ebalulekileyo ekufuneka iqwalaselwe. Kwiinkqubo ezifuna ukugcina amazinga okuhamba kwamanzi azinzileyo kunye nokusetyenziswa kwamandla aphantsi, ukukhetha imitha yokuhamba kwamanzi enelahleko ephantsi koxinzelelo kubalulekile.

• Iimitha zokuhamba kwe-ultrasonickwayeiimitha zokuhamba kwe-electromagneticzilungele iimeko ezifuna ukulahleka koxinzelelo oluphantsi, ingakumbi xa ulwelo kufuneka ludlule kumbhobho ngaphandle kokuphazamiseka okukhulu.
• Iimitha zokuhamba kweTurbinekwayeiimitha zokuhamba kweepleyiti ze-orificezilungele ukusetyenziswa kokuhamba kwamanzi aphezulu apho ukulahleka koxinzelelo kungabaluleke kangako, kodwa kufuneka kuqatshelwe kwiimeko zokuphuma kwamanzi aphantsi ngenxa yokuba kunokwenzeka ukuba kubekho ukulahleka koxinzelelo oluphezulu.

Isiphelo

Ukulahleka koxinzelelo kwimitha yokuhamba kwamanzi kuchaphazela ngokuthe ngqo ukusebenza kakuhle kwamandla kunye nokuzinza kwenkqubo yolwelo. Xa ukhetha imitha yokuhamba kwamanzi, kubalulekile ukuqwalasela iimpawu zolwelo, uluhlu lokuhamba kwamanzi, kunye novakalelo lwenkqubo ekulahlekelweni koxinzelelo. Ngokuqonda iimpawu zokulahleka koxinzelelo kwiimitha zokuhamba ezahlukeneyo, ungenza ukhetho olunolwazi ngakumbi lokuphucula inkqubo yakho yokulinganisa ukuhamba kwamanzi, ukunciphisa ukusetyenziswa kwamandla, kunye nokuphucula ukusebenza kakuhle.