Ukucinezela igesi yinkqubo yokusebenzisa amandla angaphandle ukuze kufumaneke amandla okufumana uxinzelelo lwegesi, kwaye i-compressor ngumdali wegesi ecinezelweyo. Ke ngoko, ukusebenza okusisiseko kwesiphelo somoya we-screw air compressor akwahlulwa kwezi nkalo zine: uxinzelelo, ukuhamba, amandla kunye namandla athile.
Ukusebenza okusisiseko kwe-screw air compressor air end - uxinzelelo lomoya
Ukufumana amandla oxinzelelo lomoya ocinezelweyo yeyona ndlela ilula yokusebenza kwe-air compressor, kwaye i-screw air compressor ayifani. I-screw air compressor air end yonyusa uxinzelelo lomoya ngokusebenzisa amandla angaphandle. Okukhona uxinzelelo luphezulu, kokukhona kusetyenziswa amandla amaninzi, kwaye kokukhona iimfuno ze-air end ziphezulu. Ngokwesiqhelo sahlula ii-air compressors zibe ziindidi ezine ngokwexinzelelo lokukhupha:
Uxinzelelo oluphantsi: 0.2~1.0MPa Uxinzelelo oluphakathi: 1.0~10MPa Uxinzelelo oluphezulu: 10~100MPa Uxinzelelo oluphezulu kakhulu: ngaphezu kwe-100MPa
I-screw air compressor idla ngokuba noxinzelelo lokukhupha oluyi-0.2 ~ 4.0MPa, oko kuthetha ukuba ukusebenza kwayo, ukuba kunokwenzeka kwayo kunye noqoqosho lwayo zingcono kolu luhlu. Oku kuxhomekeka kulwakhiwo kunye nendlela yokusebenza kwesiphelo somoya we-compressor, kwaye ikwalicandelo loxinzelelo elinemfuno ephezulu kwimarike.
Uxinzelelo lomoya oluxinzelelweyo olunikezelwa yi-air compressor lulinganiswa kakhulu yi-pressure ratio, eyi-ratio yoxinzelelo lwe-output Pd kuxinzelelo lwe-suction Ps. Okukhona umlinganiselo uphezulu, kokukhona uxinzelelo lwe-output luphezulu. ε=Pd/Ps Formula (6)
Kwinjini ephambili ye-screw air compressor, kukho umlinganiselo woxinzelelo lwangaphakathi kunye nomlinganiselo woxinzelelo lwangaphandle.
Umlinganiselo woxinzelelo lwangaphakathi: umlinganiselo woxinzelelo kumthamo wamazinyo phakathi kwenjini ephambili kuxinzelelo lokufunxa, olumiselwa yindawo kunye nokuma kweendawo zokufunxa kunye nee-exhaust ports;
Umlinganiselo woxinzelelo lwangaphandle: umlinganiselo woxinzelelo kumbhobho wokukhupha umoya ukuya kuxinzelelo lokufunxa. Uxinzelelo lokufunxa kunye noxinzelelo lokufunxa umoya olufunekayo kwiimeko zokusebenza okanye ukuhamba kwenkqubo.
Xa umlinganiselo woxinzelelo lwangaphakathi ≠ umlinganiselo woxinzelelo lwangaphandle, injini ephambili iya kusebenzisa amandla amaninzi; xa umlinganiselo woxinzelelo lwangaphakathi = umlinganiselo woxinzelelo lwangaphandle, injini ephambili ikwimeko efanelekileyo.
Kwinjini ephambili ye-screw air compressor, xa injini ephambili, ubushushu obuphakathi, uxinzelelo lokufunxa, isantya senjini ephambili kunye nezinye izinto zifana, kokukhona uxinzelelo lokukhupha luphezulu, kokukhona ukusetyenziswa kwamandla kuphezulu.
Ukusebenza okusisiseko kwe-screw air compressor air end - flow air end - flow
Ukuhamba komoya kudla ngokubakho ngokuhamba kobuninzi kunye nokuhamba komthamo. Kwiinkcazo kunye nemigangatho yeshishini lenkqubo yoxinzelelo lomoya, sidla ngokusebenzisa ukuhamba komthamo njengendlela yokulinganisa ukuhamba komthamo, ekwabizwa ngokuba yivolumu yokukhupha umoya okanye ukuhamba kwegama leplate kwilizwe lam: phantsi koxinzelelo lokukhupha olufunekayo, umthamo wegesi okhutshwa yi-air compressor ngexesha ngalinye uguqulwa ube yimeko yokungenisa, oko kukuthi, ixabiso lomthamo woxinzelelo lokufunxa kwipayipi yokungenisa yesigaba sokuqala kunye nobushushu bokufunxa kunye nokufuma. Iyunithi yi-m3/min. Ukuhamba komthamo kwahlulwe kube kukuhamba komthamo wokwenyani kunye nokuhamba komthamo oqhelekileyo.
Ngokwesiqhelo, iisampulu, ukhetho, kunye neepleyiti zamagama zoomatshini zisebenzisa ukuhamba komthamo okuqhelekileyo. Ngenxa yoshishino, ummandla kunye nokusetyenziswa, ukuhamba komthamo okuqhelekileyo kwimfuno yemarike yomoya ocinezelweyo kuneenkcazo ezimbini ngokwemeko esemgangathweni (ubushushu, uxinzelelo kunye nezinto):
Imeko eqhelekileyo yingcinezelo P=101.325KPa; ubushushu obuqhelekileyo T=0℃; ukufuma okuthelekisekayo yi-0%. Ihlala ifunyanwa kumaxwebhu egesi yemizi-mveliso, amashishini eekhemikhali okanye amaxwebhu okubhida, abizwa ngokuba yi-"standard square", ngesiqhelo anophawu "VN" kunye neyunithi ye-Nm3/min.
Imeko eqhelekileyo yingcinezelo P = 101.325KPa; ubushushu obuqhelekileyo T = 20℃; ukufuma okulinganiselweyo yi-0%. Idla ngokusetyenziswa kwimigangatho yeshishini lomoya ocinezelweyo kwaye ibizwa ngokuba "ziimeko zokusebenza ezisemgangathweni". Uphawu ludla ngokuba ngu-"V" kwaye iyunithi yi-m3/min.
Ngokwesiqhelo, izinga lokuhamba komthamo oqhelekileyo osetyenziswa kwishishini lethu le-air compressor lelokugqibela. Ukuguqulwa kwezinga lokuhamba komthamo phantsi kwezi meko zimbini kunokubalwa ngefomyula:
V(m3/min)=1.0732VN(Nm3/min) Ifomula (7)
Kwinjini ephambili ye-screw air compressor, phantsi kwezinye iimeko ezifanayo, okukhona umgama omkhulu phakathi kwe-rotor, kokukhona isantya sokuhamba komthamo wayo sikhulu; okukhona isantya senjini ephambili siphezulu, kokukhona isantya sokuhamba komthamo wayo sikhulu.
Isantya sokuhamba kweVolume = qv ivolumu yokucinezelwa kwenjini ephambili × isantya sentloko se-n Ifomula (8)
qv=CΨqv0Z1n=CΨCn1nλD3 Ifomula (9)
Apho u-Z1——inani lamazinyo e-rotor yesilisa; n——isantya se-rotor yesilisa; umlinganiselo womphezulu we-rotor; u-D——ububanzi bangaphandle be-rotor yesilisa.
Ngoko ke, ngenxa yokonga imali, sidla ngokunciphisa iintlobo zeenjini eziphambili kwaye sinokulungisa umthamo wokukhupha umoya wecompressor yomoya ngokumisela isantya senjini ephambili ukuhlangabezana neemfuno zemarike.
Nangona kunjalo, isantya senjini ephambili ye-screw compressor asinakuba phezulu kakhulu, ngesiqhelo siphakathi kwe-800 kunye ne-10,000 rpm. Ke ngoko, umenzi we-screw main engine uphuhlisa iinjini eziphambili ezinemigangatho eyahlukeneyo yokuhamba komthamo ukuhlangabezana neemfuno zokuhamba kwe-screw compressor.
Ngokweendlela ezahlukeneyo zokuhamba komoya ocinezelweyo, ii-air compressors zingahlulwahlulwa zibe:
I-micro compressor<1m3>10～<100 m3min; large compressor ≥100 min
I-screw air compressor ephambili ifanelekile kumatshini omnye one-1 ~ 100 m3/min, eyona ithembekileyo nengabizi kakhulu, kwaye ikwayimodeli ephambili kwimarike ye-air compressor.
Okukhona uxinzelelo luphezulu, kokukhona ukusetyenziswa kwamandla enjini ephambili kuphezulu; kokukhona ukuhamba komthamo kukhulu, kokukhona ukusetyenziswa kwamandla enjini ephambili kuphezulu.
Okukhona ixabiso lamandla athile enjini ephambili ye-screw air compressor liphantsi, kokukhona ukusetyenziswa kwamandla kwayo kuncipha kwaye ukusebenza kwayo okuphezulu kwenjini ephambili kuyanda. Phantsi kwemeko yokuhamba rhoqo, kokukhona uxinzelelo lokukhupha luphezulu, kokukhona amandla eshaft enjini ephambili eba makhulu, ngoko ke ixabiso lamandla ayo athile liphezulu.
Injini nganye ye-screw air compressor inexabiso lamandla elithile elifanelekileyo, elihambelana nesantya senjini ephambili. Xa isantya senjini ephambili siphantsi kakhulu, ukuvuza kuyanda, umthamo wegesi uyancipha, kwaye ixabiso lamandla elithile liba phezulu; xa isantya senjini ephambili siphezulu kakhulu, ukungqubana kuyanda, amandla eshaft ayanda, kwaye ixabiso lamandla elithile liba phezulu. Kodwa kufuneka kubekho isantya esifanelekileyo esenza ixabiso lamandla elithile libe liphantsi. Yingakho kungachanekanga ukuthi xa injini ephambili inkulu, kokukhona yonga amandla ngakumbi.
Xa siyila ii-screw air compressors kunye nee-variable frequency air compressors, ngelixa siqinisekisa umgangatho, kufuneka siqwalasele noqoqosho, ukubekwa emgangathweni kunye nokuguquguquka kwenjini ephambili. Ke ngoko, siza kusebenzisa i-main engine power value curve ukuyila nokuphuhlisa ii-screw air compressors zoxinzelelo kunye nokuhamba okuhlukeneyo.
Ixesha lokuthumela: Septemba-11-2024
