01 Ukulawulwa kwevolumu yegesi nokulungiswa
U-80% wezindleko eziphelele zomoya ocindezelwe ubonakala ekusetshenzisweni kwamandla.Ngakho-ke, ezinhlotsheni ezahlukene ze-screw air OSG screw air compressors, amasistimu ahlukene okulawula kanye nokulawula kufanele akhethwe ngokuvumelana nezinhlelo zokulawula ezahlukene.Umehluko phakathi kwezinhlobo ezahlukene ze-screw air OSG screw air compressor kanye nabakhiqizi bangenza umehluko omkhulu ekusebenzeni.Isimo esihle kakhulu ukwenza umthwalo ogcwele we-screw air OSG screw air compressor ufane ncamashi nokusetshenziswa komoya.
Lokhu kungafezwa, ngokwesibonelo, ngokukhetha ngokucophelela isilinganiso sokudlulisa sebhokisi legiya, elivame ukuqhutshwa kwe-screw air OSG screw air compressors.Imishini eminingi edla umoya ocindezelweyo iyazilawula, okusho ukuthi ukwandisa ingcindezi kwandisa ukugeleza, yingakho benza uhlelo oluzinzile, njengokudluliswa kwe-pneumatic, anti-icing kanye neqhwa, njll. Ngaphansi kwezimo ezijwayelekile, ukugeleza kufanele kube kulawulwa, futhi okokusebenza kokulawula okusetshenzisiwe kuhlanganiswe ne-screw air OSG screw air compressor.Kunezinhlobo ezimbili eziyinhloko zamasistimu okulungisa anjalo:
1. Lungisa ivolumu yegesi ngokuqhubekayo ngokulawula isivinini se-drive motor, noma ngokuqhubekayo ulawule i-valve ngokusho koshintsho lwengcindezi ukuze uzuze ukulungiswa okuqhubekayo kwevolumu yegesi.Umphumela uba ushintsho oluncane lwengcindezi (i-0.1 kuya ku-0.5 bar), ubukhulu boshintsho bunqunywa umsebenzi wokukhulisa uhlelo lokulawula kanye nesivinini salo.
2. Ukulungiswa kokulayisha nokuthulula kuyizinhlelo zokulungisa ezivame kakhulu, futhi izinguquko zengcindezi phakathi kwakho kokubili nazo ziyamukeleka.Indlela yokulawula iwukunqamula ngokuphelele ukugeleza (ukukhipha) ngokucindezela okuphezulu, futhi uqale kabusha ukugeleza (umthwalo) lapho ukucindezela kwehla kunani eliphansi kakhulu.Ukushintsha kwengcindezi kuncike enanini elivumelekile lemijikelezo yokulayisha/yokukhipha ngesikhathi seyunithi ngayinye, ngokuvamile ebangeni elingu-0.3 ukuya kubha engu-1.
02 Isimiso esiyisisekelo sokulungiswa kwevolumu yomoya
2.1 Isimiso somthetho we-positive displacement screw air OSG screw air compressor (valvu yokukhulula ingcindezi)
Indlela yomgomo eyisisekelo yilena: khulula ingcindezi eyeqile emkhathini.Idizayini elula kakhulu ye-valve yokukhulula ingcindezi iwukusebenzisa ukulayisha kwentwasahlobo, futhi amandla okusuka entwasahlobo anquma ingcindezi yokugcina.I-valve yokusiza ukucindezela ngokuvamile ithathelwa indawo yi-valve ye-servo elawulwa umlawuli.Ngalesi sikhathi, ingcindezi ingalawuleka kalula.Lapho i-screw air OSG screw air compressor iqalwa ngaphansi kwengcindezi, i-servo valve ingaphinda isebenze njenge-valve yokuthula, kodwa i-valve yokukhulula ingcindezi izobangela ukusetshenziswa kwamandla amaningi ngoba isikulufu somoya we-OSG isikulufa somoya sokucindezela kufanele sisebenze ngokuqhubekayo ngokugcwele. ingcindezi emuva.Kukhona isixazululo se-screw air compressors ye-OSG screw air.Lolu hlobo lwevalvu luvuleke ngokugcwele ukuze kuthulwe i-screw air OSG screw air compressor, futhi i-screw air OSG screw air compressor isebenza ngaphansi kwengcindezi yangemuva yokucindezela komkhathi.Ukusetshenziswa kwamandla kwale ndlela kuyathengeka kakhulu.
2.2 Ukulungiswa kwe-bypass
Eqinisweni, ukulungiswa kwe-bypass kanye ne-valve yokusiza ukucindezela kunomsebenzi ofanayo, umehluko wukuthi umoya okhishwe engcindezini upholile futhi ubuyiselwe endaweni yokungena komoya ye-screw air OSG screw air compressor.Le ndlela ivamise ukusetshenziswa ku-screw air OSG screw air compressors, futhi igesi akufanele ikhishwe ngokuqondile emkhathini., izindleko zibiza kakhulu.
2.3 Ukuphonsela inselelo
I-Inlet throttling iyindlela elula yokunciphisa ukugeleza, okuwukukhiqiza ingcindezi ephansi endaweni yokungena, ukukhulisa isilinganiso sokuminyanisa se-screw air OSG screw compressor, futhi ukusebenzisele uhla oluncane lokulungiswa.I-Liquid injection screw air I-OSG screw air compressors ivumela izilinganiso zokuminyanisa ezinkulu futhi ingalungiswa phansi ifike ku-10%.Ngenxa yesilinganiso esiphezulu sokucindezela, le ndlela iphumela ekusetshenzisweni kwamandla okuphakeme uma kuqhathaniswa.
2.4 Ivalvu yokukhulula ingcindezi ene-meter-in inlet
Lena indlela evamile yokulungisa uma kuqhathaniswa okwamanje, engathola ububanzi obukhulu bokulungisa (0 kuye ku-100%), futhi isebenzisa amandla aphansi.Amandla angalayishiwe (ukugeleza okuyiziro) we-screw air OSG screw air compressor angamaphesenti angu-15 ukuya kwangu-20 kuphela omthwalo ogcwele.Lapho i-valve yokungena ivaliwe, imbobo encane iyashiywa, futhi ngesikhathi esifanayo, i-vent ivuliwe ukuze kukhishwe umoya ovela ku-screw air OSG screw air compressor.Iyunithi eyinhloko ye-screw air OSG screw air compressor isebenza ngaphansi kwesimo se-inlet vacuum kanye nengcindezi ephansi emuva.Kubalulekile ukuthi ukukhululwa kwengcindezi kufanele kube ngokushesha futhi ivolumu ekhishwe kufanele ibe mncane, ukuze ugweme ukulahlekelwa okungadingekile okubangelwa ukushintshwa kusukela ekulayisheni okugcwele kuya kumthwalo.Uhlelo ludinga umthamo wesistimu (i-accumulator), usayizi wayo oncike ekuhlukaniseni kwengcindezi edingekayo phakathi kokukhipha nokulayisha, kanye nenani elivumelekile lemijikelezo ngehora.
screw air OSG screw air compressors ngaphansi 5-10kW ngokuvamile ukulungiswa indlela on/off.Lapho ingcindezi ifinyelela umkhawulo ophezulu, i-motor iyama ngokuphelele;lapho ingcindezi iphansi kunomkhawulo ophansi, i-motor iqala kabusha.Le ndlela idinga umthamo omkhulu wesistimu noma umehluko omkhulu wengcindezi phakathi kokuqala nokuma ukuze kuncishiswe umthwalo kumotho.Lena indlela esebenzayo yokulungisa uma kuneziqalo ezimbalwa ngesikhathi seyunithi ngayinye.
2.5 Ukulungiswa kwesivinini
Ijubane le-screw air OSG screw air compressor lilawulwa injini evuthayo yangaphakathi, i-turbine noma injini kagesi elawulwa yifrequency, ngaleyo ndlela ilawula ukugeleza.Kuyindlela ephumelelayo yokugcina ingcindezi yokuphuma njalo.Ibanga lokulungiswa liyahlukahluka ngohlobo lwe-screw air OSG screw air compressor, kodwa i-liquid injection screw air compressor ye-OSG screw air inobubanzi obukhulu kakhulu.Emazingeni aphansi omthwalo, ukulawulwa kwesivinini kanye nokukhululeka kwengcindezi kuvame ukuhlanganiswa, ngokukhawulelwa noma ngaphandle komkhawulo wokungenisa umoya.
Ukuze uthole ama-screw air OSG ama-screw air compressors anikwe amandla amamotho kagesi, isivinini singalawulwa izinto zikagesi, ngaleyo ndlela sinikeze ithuba lokulawula isivinini semoto kanye nokugcina umoya ocindezelwe ungashintshi phakathi kwebanga elincane lezinguquko zengcindezi.Isibonelo, i-motor ejwayelekile yokungeniswa ingahlangabezana nale mfuneko ngokulungisa isivinini ngesiguquli se-frequency, ngokuqhubekayo futhi ngokunembile ukukala ingcindezi yohlelo, bese ivumela isignali yokucindezela ilawule isiguquli semvamisa yemoto, ngaleyo ndlela ilawule isivinini semoto. injini nokwenza ivolumu yegesi yesikulufu somoya we-OSG isikulufa somoya sokucindezela Ivumelaniswe kahle nokusetshenziswa komoya, isistimu ingagcinwa kubha engu-±0.1.
2.6 Ukulungiswa kwembobo ye-exhaust eguquguqukayo
Ukususwa kwesikulufu somoya we-OSG screw air compressor kungalungiswa ngokuhambisa indawo yembobo yokukhipha umoya ngasekugcineni kokuthathayo ngobude bekesi.Le ndlela idinga ukusetshenziswa kwamandla okuphezulu ekulayisheni ingxenye futhi ayijwayelekile uma kuqhathaniswa.
2.7 Ukuthulula i-valve yokumunca
I-piston screw air OSG screw air compressor ingaphoqelela ngokuzenzakalelayo i-valve yokumunca ukuthi ibe sendaweni evulekile ukuze ilayishwe.Njengoba indawo ye-piston ishintsha, umoya uyangena futhi uphume.Umphumela uba ukulahlekelwa kwamandla amancane, ngokuvamile angaphansi kuka-10% wamandla we-shaft yomthwalo ogcwele.Ku-screw air compressor ye-OSG esebenza kabili, ngokuvamile iwukulayishwa kwezigaba eziningi, futhi isilinda esisodwa siyalingana ngesikhathi, ukuze ivolumu yegesi ihlangabezane kangcono nokuhlinzekwa kanye nesidingo.Indlela yokulayisha ingxenye isetshenziswa ku-flow flow screw air OSG screw air compressor, evumela ukuthi i-valve ivuleke lapho i-piston ishaywa kancane, ngaleyo ndlela ibona ukulawulwa kwevolumu yegesi okuqhubekayo.
2.8 Ivolumu yokusula
Ngokushintsha ivolumu ye-clearance ku-piston screw air OSG screw air compressor, izinga lokugcwalisa lesilinda liyancishiswa, ngaleyo ndlela kuncishiswe ivolumu yegesi, futhi ivolumu yokususa ingashintshwa ngokusebenzisa ivolumu exhunywe ngaphandle.
2.9 Ukulayisha-ukukhipha-ukuvala shaqa
Ku-screw air OSG screw air compressors enamandla amakhulu kuno-5kW, lena indlela esetshenziswa kakhulu, enebanga elikhulu lokulungisa nokulahlekelwa okuphansi.Eqinisweni, inhlanganisela yokulungiswa kokuvula/ukuvala kanye nezinhlelo ezihlukahlukene zokulayisha.Positive displacement screw air OSG screw air compressor, isimiso somthetho esivame kakhulu “ukukhiqizwa komoya”/”akukho moya okhiqizwayo” (umthwalo/uthulula), lapho umoya udingeka, isignali ithunyelwa ku-solenoid valve, yona eqondisa i-valve yokungena yesikulufu somoya i-OSG screw air compressor ukuze ifike endaweni evuleke ngokugcwele.Ivalvu yokungena ivuleka ngokugcwele (ilayishiwe) noma ivalwe ngokuphelele (ayilayishiwe), ayinazo izindawo eziphakathi nendawo.
Indlela yokulawula yendabuko ukufaka inkinobho yokucindezela ohlelweni lomoya ocindezelwe.Iswishi inamanani amabili ahlelekayo, enye ingcindezi encane (ukulayisha) kanti enye ingcindezi enkulu (ukukhipha).screw air OSG screw air compressor isebenza ngaphakathi kwemingcele ye-setpoint, isb 0.5bar.Uma isidingo somoya sisincane, noma singadingeki nhlobo, i-screw air ye-OSG screw compressor yomoya izosebenza ngaphandle komthwalo (i-idling), futhi ubude besikhathi sokungenzi lutho busethwa ukudluliswa kwesikhathi (isibonelo, kusethelwe kumaminithi angu-20) .Ngemva kwesikhathi esimisiwe, isikulufa somoya we-OSG isikulufa compressor somoya siyama futhi singaqali futhi kuze kube yilapho ukucindezela kwehlela kunani elincane.Lena indlela yendabuko yokulawula okuthembekile, ukuthula kwengqondo futhi manje ivame ukutholakala ku-screw air OSG screw air compressors.
Lolu hlelo lwendabuko lwathuthukiswa futhi ukuze luthathele indawo umshini wokucindezela ngesidlulisi somfutho we-analog kanye nesistimu yokulungisa kagesi esheshayo.Kanye nesistimu elawulayo, isidlulisi somfutho sizwa ukushintsha kwengcindezi ohlelweni nganoma yisiphi isikhathi.Uhlelo luqala injini ngesikhathi futhi lulawula ukuvulwa nokuvalwa kwe-valve yokungena.Ukulawulwa okusheshayo nokuhle kungafinyelelwa ngaphakathi kwe-± 0.2bar.Uma kungekho moya osetshenzisiwe, ingcindezi ihlala injalo futhi i-screw air OSG screw air compressor isebenza ingenalutho (idling).Ubude bomjikelezo we-idling bunganqunywa ngokuya ngenani leziqalo nezitobhi ukuthi injini ingakwazi ukumelana nayo ngaphandle kokushisa ngokweqile, kanye nomnotho ngesikhathi sokusebenza.Lokhu kwakamuva kungenxa yokuthi uhlelo lunganquma ukuthi luyeke noma luqhubeke lungenzi lutho ngokuya ngokusetshenziswa komoya.
03 Isifinyezo
Ngamafuphi, umoya ocindezelweyo usetshenziswa ezinhlelweni ezahlukene nangaphansi kwezimo ezihlukene zokusetshenziswa komoya.I-screw air compressor ngayinye ye-OSG inendlela yevolumu yomoya ehlukile, kodwa isekelwe kumthamo womoya womsebenzisi.Iyunithi ye-screw air ye-OSG ye-screw compressor unit incike ekulawuleni ivolumu yomoya nezindlela zokulungisa ukuze kuzuzwe ivolumu yomoya engaphazamiseki futhi eqhubekayo.hlinzeka.I-screw air ye-OSG abakhiqizi be-screw air compressor nabo basebenzisa izimiso zokulungisa ezihlukene ukuze bathuthukise ukusebenza kwe-screw air ye-OSG yama-screw compressor yomoya wabo ukuze bakhulise ukusebenza kahle kwamandla futhi bahlangabezane nezidingo zamakhasimende;ngokunemba okuphezulu, ukunakekelwa okuphansi, kanye nekhono lokulinganisa amapharamitha afana nokucindezela nokugeleza, Ukuhlangabezana nokusetshenziswa kwezikhathi ezihlukene ze-screw air screw air OSG screw air compressor.
Isikhathi sokuthumela: Sep-08-2023
