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Ijika le-pirve ye-pump -rs kubudlelwane phakathi kwempompo (leyo, ukubonelela ngamandla kwimpompo) kunye nokuhamba kwendlela

• Ijika le ntloko ye-centrifugal

Intloko, ukuhamba, amandla kunye nokusebenza kakuhle yeyona paramitha yentsebenzo ye-centrifagali. Ubudlelwane phakathi kwezi paramitha zingagqitywa ngokulingwa. ISebe leMveliso yePumpagal Pump isebenzisa ijika leparamitha yokusebenza yemveliso yayo, kwaye ezi jika zibizwa ngokuba yijika le ntloko ye-centrifagal. Ukubhekiswa kokusetyenziswa kweempompo kunye nemisebenzi yokusetyenziswa kweSebe.

Ijikajika elinesimo livavanywa phantsi kwesantya esimiselweyo, kwaye ilungele kuphela isantya. Ke ngoko, ukubaluleka kwesantya n kuchazwe kwimephu yejikari. Umzobo 2-6 yi-4b20 ye-4b20 Centrifugal xa i-N = 2900r / ye-Min Feica. Eyona nto iphambili i-curves ezintathu emfanekisweni

I-1. H -Q

Ijika le-H -Q libonisa ubudlelwane phakathi kokuhamba kwe-q kunye nentloko yempompo kunye nentloko h. Intloko ye-H. Intloko yentloko ye-centrifugal incitshisiwe njengokunyuka kwenqanaba lokuhamba. Iindidi ezahlukeneyo zempompo ze-centrifugal zinemilo eyahlukeneyo yejika le-H -Q. Ukuba ezinye ii-curves zisicaba, ilungele izihlandlo ezinotshintsho oluncinci entloko kunye notshintsho olukhulu lokuhamba; Ezinye iijika ziyahamba, kwaye zilungele izihlandlo zotshintsho olukhulu entlokweni yentloko ngaphandle kokuvumela utshintsho lwendlela.

I-2. I-N-Q ijika

Ijikajika le-N -Q libonisa ubudlelwane phakathi kokuhamba kwe-q kunye ne-axis n yempompo yempompo yokwanda kwe-Q. Ngokucacileyo i-q the shaft incinci. Ke ngoko, xa uqala impompo ye-centrifugal, ukuze kuncitshiswe amandla okuqala, ivalve yokukhuphela iveliwe kufuneka ivaliwe.

I-3. Ijika-curve

I-curve imele ubudlelwane phakathi kokuhamba kwe-q kunye nokusebenza kakuhle kwempompo. Ekuqaleni, inyuke ngokunyuka kwe-Q, kwaye emva kokufikelela kwelona xabiso liphezulu, linciphile ngokunyuka kwe-Q. Elona nqanaba liphezulu le jika lilingana neyona ndawo iphakamileyo. Impompo isebenza kwiNtloko yoThando ehambelanayo kunye nokugcwala kwendlela, kunye nokusebenza kwawo kwelona liphezulu. Ke le ngongoma yindawo yoyilo yepostifugal impompo. Xa ukhetha impompo, ndihlala ndithemba ukuba impompo isebenza ngempumelelo, kuba umsebenzi yeyona nto ifanelekileyo phantsi kwale meko. Nangona kunjalo, enyanisweni, iimpompo zihlala zingenakwenzeka ukuba zisebenze phantsi kwale meko. Ke ngoko, kuyimfuneko ukuqatshelwa umda womsebenzi, obizwa ngokuba yindawo esebenza kakuhle yempompo, njengoko kubonisiwe kumzobo we-2-6. Ukusebenza ngokukuko kwemimandla ephakamileyo akufuneki ibe ngaphantsi kwe-92% yeyona ndlela iphakamileyo. Zonke iipumps ziphawulwe kwimephu, intloko, intloko kunye namandla elona liphezulu. Ikhathalogu ye-centrifugal ye-centrifugal ye-pumputer kunye nemiyalelo ihlala ibonisa ukuhamba kwetrafikhi, intloko kunye nombane owona mmandla uphezulu.

• Impembelelo yokujikeleza kwe-centrifal pump kwijikari

I-curve yeempawu ze-centrifagal igqitywe ngesantya esithile. Xa isantya sitshintshwe ukusuka kwi-N1 ukuya kwi-N2, ukusondela kokuhamba, intloko, kunye namandla amandla akho

Ifomula (2-6) ibizwa ngokuba ngumthetho wenani. Xa utshintsho lwesantya lungaphantsi kwe-20%, ukusebenza kakuhle kunokuthathwa kuthathelwa ingqalelo, kwaye impazamo yokubala ayikho inkulu.

• Impembelelo yepropathi yolwelo

Ijika le-curve elinikezelwe liSebe leMveliso yePump ifunyenwe ngamanzi ngovavanyo. Xa uhlobo lolwelo olusiweyo lukhulu kwaye amanzi amakhulu, isiphumo sokubonisa i-viscosity kunye noxinano kwi-curves faknoloji kufuneka ithathelwe ingqalelo.

1. Isiphumo se-viscosity:

Owona mkhulu wolwelo lwe-viscosity yolwelo olusiweyo, amandla amaninzi kumzimba wempompo. Ngenxa yoko, intloko yoxinzelelo kunye nokuhamba kwempompo kufuneka incitshiswe, ukusebenza kakuhle kuyancipha, kwaye amandla e-Axis kufuneka anyuswe, ngoko ke i-curve curve yotshintsho.

2. Ifuthe leXesha:

Intloko yentloko ye-centrifugal ayinanto yakwenza nobuso, enokucaciswa ngokwembono. Ngesantya esithile, amandla amakhulu ahambelana nokuxinana kolwelo. Nangona kunjalo, uxinzelelo lolwelo ngenxa yesiphumo se-centrifugagal ilingana noxinzelelo olulwenziwa ngumkhosi we-centrifugal ukuphuma, kwaye emva koko i-invertiment ye-inzuzo yolwelo kunye nekhawulezi. Iziphumo zokuxinana entloko ziyapheliswa. Nangona kunjalo, amandla e-axis yempompo itshintsha ngoxinaniso lolwelo. Ke ngoko, xa uxinzelelo lolwelo lothutho alukho ngaxeshanye njengamanzi, ijikaji ye-N-Q ebonelelwe yimpompo ayinakusetyenziswa, kodwa ukubalwa kufuneka kubalwe kwakhona (2-5).

I-3. Ifuthe loku Solity:

Ukuba ulwelo oluhambisiweyo sisisombululo samanzi, utshintsho loxinzelelo luya kuchaphazela ngokungathandabuzekiyo i-viscofity kunye noxinzelelo lolwelo. Uphando oluphezulu, olukhulu ngakumbi umahluko kumanzi. Iziphumo zoxinzelelo kwi-curve yeempawu ze-centrifagal ikwabonakaliswa kwi-viscosity kunye nokuxinana. Ukuba ulwelo lwezothutho luqukethe izinto eziqinileyo ezifana nokumiswa, ijikajika lempompo lichaphazeleka luhlobo lwezinto eziqinileyo kunye nokusasazwa kwenani loluntu ukongeza kuxinzelelo.

Impompo yepompo yeqela elinobuchule, inokunceda umthengi Fumana impompo elungileyo ngexabiso lezoqoqosho.

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