1. Umgomo wokulungisa umthamo wezigaba ezine we-screw compressor
Uhlelo lokulungiswa komthamo olunezigaba ezine luqukethe i-valve yesilayidi yokulungiswa komthamo, amavalvu amathathu e-solenoid avamise ukuvaleka kanye nesethi yamapiston okulungisa umthamo we-hydraulic.Ububanzi obulungisekayo bungama-25% (obusetshenziswa uma uqala noma ume), 50%, 75%, 100%.
Umgomo uwukusebenzisa ipiston yokucindezela uwoyela ukusunduza ivalve yesilayidi yokulawula ivolumu.Uma umthwalo uyingxenye, i-valve yesilayidi yokulawula ivolumu ihamba ukuze idlule ingxenye yegesi esiqandisini ibuyele ekugcineni kokumunca, ukuze izinga lokugeleza kwegesi efrijini lincishiswe ukuze kuzuzwe umsebenzi wokulayisha ingxenye.Lapho imiswa, amandla entwasahlobo enza i-piston ibuyele esimweni sokuqala.
Lapho i-compressor isebenza, ingcindezi kawoyela iqala ukusunduza i-piston, futhi ukuma kwepiston yokucindezela uwoyela kulawulwa isenzo se-valve ye-solenoid, futhi i-valve ye-solenoid ilawulwa yi-inlet (outlet) yokushintsha kwezinga lokushisa i-evaporator yesistimu.Amafutha alawula i-piston yokulungisa umthamo athunyelwa ethangini lokugcina uwoyela le-casing ngokusebenzisa ingcindezi ehlukile.Ngemva kokudlula esihlungini samafutha, i-capillary isetshenziselwa ukukhawulela ukugeleza bese ithunyelwa ku-cylinder ye-hydraulic.Uma isihlungi samafutha sivinjiwe noma i-capillary ivinjiwe, umthamo uzovinjelwa.Isistimu yokulungisa ayisebenzi kahle noma iyehluleka.Ngokufanayo, uma i-valve ye-solenoid yokulungisa ihluleka, isimo esifanayo sizokwenzeka.
1. 25% iqala ukusebenza
Lapho i-compressor iqalwa, umthwalo kufanele wehliswe ube ubuncane ukuze kube lula ukuwuqala.Ngakho-ke, lapho i-SV1 icushiwe, uwoyela udlulelwa ngokuqondile ubuyele egumbini elinengcindezi ephansi, futhi i-valve yesilayidi yevolumu inesikhala esikhulu kunazo zonke sokudlula.Ngalesi sikhathi, umthwalo ungama-25%.Ngemva kokuthi isiqalo sika-Y-△ sesiqediwe, i-compressor ingaqala ukulayisha kancane kancane.Ngokuvamile, isikhathi sokuqala sokusebenza komthwalo we-25% sisethelwe kumasekhondi angaba ngu-30.
2. 50% umsebenzi wokulayisha
Ngokwenziwa kwenqubo yokuqalisa noma isenzo sokushintshwa kwezinga lokushisa elimisiwe, i-SV3 solenoid valve inikwa amandla futhi ivuliwe, futhi i-piston elungisa amandla ithuthela ku-oil circuit bypass port ye-valve ye-SV3, ishayela indawo yomthamo. -ukulungisa i-valve yesilayidi ukuze ishintshe, futhi ingxenye yegesi efrijini idlula isikulufu Isifunda se-bypass sibuyela ekamelweni eliphansi lokucindezela, futhi i-compressor isebenza ngomthwalo we-50%.
3. 75% ukusebenza komthwalo
Uma uhlelo lokuqalisa isistimu lwenziwa noma ukushintsha kwezinga lokushisa okumisiwe kwenziwa kusebenze, isignali ithunyelwa ku-valve ye-solenoid SV2, futhi i-SV2 inikwa amandla futhi ivuliwe.Buyela ohlangothini lwengcindezi ephansi, ingxenye yegesi yesiqandisi ibuyela ekamelweni eliphansi lokucindezela ukusuka ku-screw bypass port, ukufuduka kwe-compressor kuyanda (kwehla), futhi i-compressor isebenza ngomthwalo we-75%.
4. 100% umsebenzi ogcwele wokulayisha
Ngemuva kokuthi i-compressor iqalile, noma izinga lokushisa lamanzi aqandayo lingaphezulu kwenani elibekiwe, i-SV1, i-SV2, ne-SV3 ayinikwa amandla, futhi uwoyela ungena ngqo kusilinda sokucindezela uwoyela ukuze uphushele iphiston yokulungisa ivolumu phambili, kanye nepiston yokulungisa ivolumu. ishayela i-valve yesilayidi yokulungisa ivolumu ukuze ihambe, ukuze ukupholisa Imbobo ye-ejenti yegesi yokudlula incipha kancane kancane kuze kube yilapho i-valve yesilayidi yokulungiswa komthamo isiphushelwe ngokugcwele phansi, ngalesi sikhathi i-compressor isebenza ngo-100% womthwalo ogcwele.
2. Isistimu yokulungisa umthamo we-screw compressor engenasinyathelo
Isimiso esiyisisekelo sesistimu yokulungiswa kwamandla okungeyona yesiteji iyafana naleyo yesistimu yokulungisa umthamo wezigaba ezine.Umehluko usekusetshenzisweni kokulawula kwe-valve ye-solenoid.Ukulawulwa kwamandla okunezigaba ezine kusebenzisa ama-valve e-solenoid amathathu avamise ukuvaleka, futhi isilawuli samandla esingesona isigaba sisebenzisa i-valve ye-solenoid eyodwa evamile evulekile kanye neyodwa noma amabili avamise ukuvaleka i-solenoid valve ukulawula ukushintshwa kwe-solenoid valve., ukunquma ukuthi uyayilayisha noma ayikhiphe i-compressor.
1. Ibanga lokulungiswa kwamandla: 25%~100%.
Sebenzisa i-solenoid valve SV1 evamise ukuvaleka (lawula i-oyela drain passage) ukuze uqinisekise ukuthi i-compressor iqala ngaphansi komthwalo omncane kanye ne-solenoid valve SV0 evamise ukuvuleka (control oil inlet passage), lawula i-SV1 ne-SV0 ukuthi inikwe amandla noma cha ngokwezidingo zomthwalo. Ukuze kuzuzwe umphumela wokulawula ukulungiswa komthamo, ukulungiswa komthamo okunjalo okungenazinyathelo kungalawulwa ngokuqhubekayo phakathi kuka-25% no-100% womthamo wokufeza umsebenzi wokuphuma okuzinzile.Isikhathi sesenzo esinconywayo sokulawula i-valve ye-solenoid cishe i-0.5 kuya ku-1 isekhondi ngendlela ye-pulse, futhi ingaba Lungisa ngokuvumelana nesimo sangempela.
2. Ibanga lokulungiswa kwamandla: 50%~100%
Ukuze uvimbele i-compressor motor yesiqandisi ukuthi isebenze ngaphansi komthwalo ophansi (25%) isikhathi eside, okungabangela izinga lokushisa lemoto libe phezulu kakhulu noma i-valve yokunweba ibe nkulu kakhulu ukubanga ukucindezelwa kwamanzi, i-compressor ingashintshwa. kumthamo omncane lapho uklama uhlelo lokulungisa umthamo ongenasinyathelo.Lawula ngaphezu kokulayisha okungu-50%.
I-valve ye-solenoid evalekile i-SV1 (ukulawula i-oil bypass) isetshenziselwa ukuqinisekisa ukuthi i-compressor iqala ngomthwalo omncane we-25%;ngaphezu kwalokho, i-valve ye-solenoid evame ukuvuleka i-SV0 (ukulawula indawo yokungena kawoyela) kanye ne-valve evalekile ye-solenoid SV3 (ukulawula ukufinyelela kokukhipha uwoyela) ukuze kukhawulwe ukusebenza kwe-compressor phakathi kuka-50% no-100%, nokulawula i-SV0 ne-SV3 ukuthola amandla noma hhayi ukufeza umphumela wokulawula oqhubekayo nongenasinyathelo wokulungiswa kwamandla.
Isikhathi sokusebenza esiphakanyisiwe sokulawulwa kwe-valve ye-solenoid: cishe isekhondi elingu-0.5 kuya ku-1 ngendlela ye-pulse, futhi uyilungise ngokuvumelana nesimo sangempela.
3. Izindlela ezine zokulungiswa kokugeleza kwe-screw compressor
Izindlela ezahlukahlukene zokulawula i-screw air compressor
Kunezici eziningi okufanele zicatshangelwe lapho ukhetha uhlobo lwe-screw air compressor.Ukusetshenziswa komoya okuphezulu kakhulu kufanele kucatshangelwe futhi umkhawulo othile kufanele ucatshangelwe.Kodwa-ke, ngesikhathi sokusebenza kwansuku zonke, i-compressor yomoya ayihlali ingaphansi kwesimo sokukhishwa okulinganiselwe.
Ngokwezibalo, isilinganiso somthwalo wama-compressor komoya e-China singama-79% kuphela wesilinganiso sokugeleza kwevolumu elinganiselwe.Kungabonakala ukuthi izinkomba zokusetshenziswa kwamandla ezimo zomthwalo olinganiselwe kanye nezimo zomthwalo oyingxenye zidinga ukucatshangelwa lapho kukhethwa ama-compressor.
Wonke ama-screw air compressor anomsebenzi wokulungisa ukufuduka, kodwa izindlela zokuqalisa zihlukile.Izindlela ezijwayelekile zihlanganisa ukulungiswa kwe-ON/OFF ukulayisha/ukukhipha, ukudonsa umoya, ukuguqulwa kwefrikhwensi yemoto, umthamo oguquguqukayo wevalvu yesilayidi, njll. Lezi zindlela zokulungisa zingahlanganiswa ngokuguquguqukayo ukuze kuthuthukiswe umklamo.
Endabeni yokusebenza kahle kwamandla komsingathi we-compressor, okuwukuphela kwendlela yokuzuza ukonga okwengeziwe kwamandla ukukhulisa indlela yokulawula kusuka ku-compressor iyonke, ukuze empeleni kuzuzwe imiphumela egcwele yokonga amandla emkhakheni wokusetshenziswa wama-compressor emoyeni. .
Ama-screw air compressors anezinhlobonhlobo zezinhlelo zokusebenza, futhi kunzima ukuthola indlela yokulawula esebenza ngempumelelo elungele zonke izikhathi.Kudingeka ihlaziywe ngokugcwele ngokuya ngesimo sangempela sohlelo ukuze kukhethwe indlela yokulawula efanele.Okulandelayo kwethula kafushane izindlela ezine zokulawula ezivamile ezihlanganisa nezinye izici Eziyinhloko nokusetshenziswa.
1. VULIWE/VALIWE ukulawula ukulayisha/ukukhipha
UKUVULA/KUVALIWE ukulayisha/ukukhipha isilawuli kuyindlela yokulawula evamile futhi elula.Umsebenzi wayo ukulungisa ngokuzenzakalelayo ukushintshwa kwe-valve ye-compressor inlet ngokusho kobukhulu bokusetshenziswa kwegesi yekhasimende, ukuze i-compressor ilayishwe noma ilayishwe ukuze kuncishiswe ukunikezwa kwegesi.Ukushintshashintsha kwengcindezi.Kulokhu kulawulwa kukhona ama-solenoid valves, ama-valves okungenisa, ama-vent valve kanye nemigqa yokulawula.
Uma ukusetshenziswa kwegesi kwekhasimende kulingana noma kukhulu kunevolumu yokukhipha umoya elinganiselwe yeyunithi, ivalvu ye-solenoid yokuqala/yokukhipha isesimweni sokunika amandla futhi ipayipi lokulawula awenziwa.Ukugijima ngaphansi komthwalo.
Uma ukusetshenziswa komoya kwekhasimende kungaphansi kokukalwa okulinganiselwe, ukucindezela kwepayipi lokuminyanisa kuzokhuphuka kancane.Lapho ingcindezi yokukhipha ifinyelela futhi idlula ingcindezi yokukhipha iyunithi, i-compressor izoshintshela ekusebenzeni kokukhipha.Ivalvu yokuqalisa/yokukhipha i-solenoid isesimweni sokucisha amandla ukuze kulawulwe ukuqhutshwa kwepayipi, futhi enye indlela iwukuvala i-valve yokungena;enye indlela ukuvula i-valve yokukhipha umoya ukuze ukhulule ingcindezi ethangini lokuhlukanisa uwoyela negesi kuze kube yilapho umfutho wangaphakathi wethangi lesihlukanisi segesi uqinile (ngokuvamile u-0.2～0.4MPa), ngalesi sikhathi iyunithi izosebenza ngaphansi ukucindezela emuva futhi ugcine isimo sokungalayishi.
Lapho ukusetshenziswa kwegesi kwekhasimende kukhuphuka futhi nomfutho wepayipi wehlela enanini elishiwo, iyunithi izoqhubeka nokulayisha nokusebenza.Ngalesi sikhathi, i-valve yokuqala/yokukhipha i-solenoid inikwa amandla, ipayipi lokulawula ayenziwa, futhi ivalve yokungena yekhanda lomshini igcina ukuvuleka okukhulu ngaphansi kwesenzo se-vacuum yokumunca.Ngale ndlela, umshini ulayisha ngokuphindaphindiwe futhi wehlise ngokushintsha kokusetshenziswa kwegesi ekupheleni komsebenzisi.Isici esiyinhloko sendlela yokulawula ukulayisha/ukulayishwa ukuthi i-valve yokungena yenjini eyinhloko inezifunda ezimbili kuphela: ivuleke ngokugcwele futhi ivalwe ngokugcwele, futhi isimo sokusebenza somshini sinezifunda ezintathu kuphela: ukulayisha, ukuthulula, nokuvala shaqa okuzenzakalelayo.
Kumakhasimende, umoya omningi ocindezelwe uvunyelwe kodwa awenele.Ngamanye amazwi, ukufuduka kwe-compressor yomoya kuvunyelwe ukuba kukhulu, kodwa kungabi kuncane.Ngakho-ke, lapho ivolumu yokukhipha iyunithi inkulu kunokusetshenziswa komoya, iyunithi ye-compressor yomoya izothululwa ngokuzenzakalelayo ukuze kugcinwe ibhalansi phakathi kwevolumu yokukhipha kanye nokusetshenziswa komoya.
2. Ukulawula ukudonsa umoya
Indlela yokulawula i-suction throttling ilungisa umthamo wokungena komoya we-compressor ngokuya ngokusetshenziswa komoya okudingwa ikhasimende, ukuze kuzuzwe ibhalansi phakathi kokunikezwa nokufunwa.Izingxenye eziyinhloko zihlanganisa ama-valve e-solenoid, izilawuli zokucindezela, ama-valve okungena, njll. Uma ukusetshenziswa komoya kufana nevolumu yokukhipha elinganisiwe yeyunithi, i-valve yokungena ivuliwe ngokugcwele, futhi iyunithi izosebenza ngaphansi komthwalo ogcwele;Usayizi wevolumu.Umsebenzi wemodi yokulawula i-suction throttling wethulwa ngokulandelana kwezimo ezine zokusebenza ohlelweni lokusebenza lweyunithi ye-compressor enengcindezi yokusebenza ye-8 kuya ku-8.6 bar.
(1) Umbandela wokuqalisa 0～3.5bha
Ngemuva kokuthi iyunithi ye-compressor iqalisiwe, i-valve yokungena ivaliwe, futhi ingcindezi ethangini lokuhlukanisa i-oil-gas isungulwa ngokushesha;lapho isikhathi esimisiwe sifinyelelwa, izoshintsha ngokuzenzakalelayo esimweni somthwalo ogcwele, futhi i-valve yokungena ivulwa kancane ngokumuncwa kwe-vacuum.
(2) Isimo sokusebenza esijwayelekile 3.5～8bar
Lapho ingcindezi ohlelweni idlula u-3.5bar, vula ivalve yokucindezela okuncane ukuze uvumele umoya ocindezelwe ungene epayipini lokuhambisa umoya, ibhodi lekhompyutha liqapha umfutho wepayipi ngesikhathi sangempela, bese ivalvu yokudonsa umoya ivulwe ngokugcwele.
(3) Isimo sokusebenza sokulungiswa kwevolumu yomoya 8～8.6bar
Lapho umfutho wepayipi wedlula 8bar, lawula indlela yomoya ukuze ulungise ukuvuleka kwevalvu yokudonsa ukuze ulinganise ivolumu yokukhipha umoya nokusetshenziswa komoya.Ngalesi sikhathi, ububanzi bokulungiswa kwevolumu yokukhipha yi-50% kuya ku-100%.
(4) Isimo sokuthulula - ingcindezi idlula i-8.6bar
Lapho ukusetshenziswa kwegesi edingekayo kuncishisiwe noma kungadingeki igesi, futhi nomfutho wepayipi wedlula inani elibekiwe elingu-8.6bar, isifunda segesi esilawulayo sizovala ivalvu yokungena futhi sivule i-valve yokukhipha umoya ukuze kudedelwe ingcindezi ethangini lokuhlukanisa i-oyela negesi. ;iyunithi isebenza nge-low back pressure run down, ukusetshenziswa kwamandla kuyancishiswa.
Lapho umfutho wepayipi wehlela kungcindezi encane ebekiwe, isifunda somoya esilawulayo sivala i-valve yokukhipha umoya, sivule i-valve yokungena, bese iyunithi ishintshela esimweni sokulayisha.
Ukulawulwa kwe-suction throttling kulungisa ivolumu yomoya wokungenisa ngokulawula ukuvulwa kwe-valve yokudonsa, ngaleyo ndlela kunciphise ukusetshenziswa kwamandla kwe-compressor nokunciphisa imvamisa yokulayisha / ukulayishwa njalo, ngakho kunomphumela othile wokonga amandla.
3. Ukulawulwa kokulawula isivinini sokuguqulwa kwemvamisa
Ukulawulwa kokulungiswa kwesivinini se-Compressor variable frequency ukulungisa ukugudluka ngokushintsha isivinini semoto yokushayela, bese ulungisa isivinini se-compressor.Umsebenzi wohlelo lokulungiswa kwevolumu yomoya we-compressor yokuguqula imvamisa ukuguqula isivinini semoto ngokuguqulwa kwemvamisa ukuze ihambisane nesidingo somoya esishintshayo ngokuya ngosayizi wokusetshenziswa komoya kwekhasimende, ukuze kuzuzwe ibhalansi phakathi kokunikezwa nokufunwa. .
Ngokuya ngamamodeli ahlukene eyunithi ngayinye yokuguqula imvamisa, setha imvamisa ephezulu yokuphuma kwesiguquli sefrikhwensi kanye nesivinini esikhulu semoto lapho iyunithi ye-organic isebenza ngempela.Lapho ukusetshenziswa komoya kwekhasimende kulingana nokugudluzwa okulinganiselwe kweyunithi, iyunithi yokuguqula imvamisa izolungisa imvamisa yemoto yokuguqula imvamisa ukuze kwandiswe isivinini senjini eyinhloko, futhi iyunithi izosebenza ngaphansi komthwalo ogcwele;Imvamisa inciphisa isivinini senjini eyinhloko futhi inciphisa umoya owuthathayo ngokufanele;lapho ikhasimende liyeka ukusebenzisa igesi, imvamisa yemoto eguquguqukayo iyancipha ibe yincane, futhi ngesikhathi esifanayo i-valve yokungena ivaliwe futhi akukho ukungena okuvunyelwe, iyunithi isesimweni esingenalutho futhi isebenza ngaphansi kwengcindezi ephansi emuva. .
Amandla alinganiselwe emoto yokushayela efakwe i-compressor variable frequency unit ayishintshile, kodwa amandla wangempela we-shaft wemoto ahlobene ngokuqondile nomthwalo wayo nesivinini.Iyunithi ye-compressor yamukela ukulawulwa kwesivinini sokuguqulwa kwemvamisa, futhi ijubane liyancishiswa ngesikhathi esifanayo lapho umthwalo uncishiswa, okungathuthukisa kakhulu ukusebenza kahle kokusebenza ngesikhathi sokusebenza komthwalo wokukhanya.
Uma kuqhathaniswa nama-compressor emvamisa yezimboni, ama-inverter compressors adinga ukushayelwa ama-inverter motors, afakwe ama-inverter kanye namakhabethe okulawula kagesi ahambisanayo, ngakho izindleko zizoba phezulu.Ngakho-ke, izindleko zokuqala zokutshala izimali zokusebenzisa i-compressor eguquguqukayo yemvamisa ziphakeme kakhulu, isiguquli semvamisa ngokwaso sinamandla asetshenziswayo kanye nemikhawulo yokushisa kanye nemikhawulo yokungenisa umoya ye-converter frequency, njll., i-compressor yomoya kuphela enezinhlobonhlobo zokusetshenziswa komoya iyahlukahluka. kabanzi, futhi isiguquli semvamisa sivame ukukhethwa ngaphansi komthwalo ophansi ngokuqhathaniswa.okudingekayo.
Izinzuzo eziyinhloko ze-inverter compressors zimi kanje:
(1) Umphumela osobala wokonga amandla;
(2) Umsinga wokuqalisa uncane, futhi umthelela kugridi mncane;
(3) Ukucindezela kokukhipha umoya okuzinzile;
(4) Umsindo weyunithi uphansi, imvamisa yokusebenza kwenjini iphansi, futhi awukho umsindo ovela ekulayishweni okuvamile nokuthulula.
4. Ukulungiswa kwamandla okuguquguquka kwe-valve yesilayidi
Umgomo wokusebenza wemodi yokulawula umthamo wokushintsha umthamo we-valve eshelelayo uthi: ngokusebenzisa indlela yokuguqula ivolumu yokucindezela ephumelelayo egumbini lokucindezela lenjini eyinhloko ye-compressor, ngaleyo ndlela ulungise ukugudluka kwe-compressor.Ngokungafani nokulawulwa kwe-ON/OFF, isilawuli sokudonsa kanye nokulawulwa kokuguqulwa kwemvamisa, konke okuyingxenye yokulawula kwangaphandle kwe-compressor, indlela yokushintsha umthamo we-valve eshelelayo idinga ukushintsha ukwakheka kwe-compressor ngokwayo.
I-valve yesilayidi yokulungisa ukugeleza kwevolumu iyisici sesakhiwo esisetshenziselwa ukulungisa ukugeleza kwevolumu ye-screw compressor.Umshini osebenzisa le ndlela yokulungisa unokwakheka kwevalvu yesilayidi ejikelezayo njengoba kuboniswe kuMfanekiso 1. Kukhona indlela yokudlula ehambisana nokuma okuphokophele kwe-rotor odongeni lwesilinda.izimbobo lapho amagesi angaphuma khona lapho engamboziwe.I-valve yesilayidi esetshenzisiwe yaziwa nangokuthi "i-screw valve".Umzimba we-valve usesimweni sokuzungeza.Uma ijikeleza, ingavala noma ivule imbobo yokudlula exhunywe egumbini lokuminyanisa.
Lapho ukusetshenziswa komoya kwekhasimende kuncipha, i-valve yesikulufu iyaphenduka ivule imbobo yokudlula, ukuze ingxenye yomoya ohogelwe igeleze ibuyele emlonyeni ngembobo yokudlula engezansi kwegumbi lokucindezela ngaphandle kokucindezelwa, okulingana nokunciphisa ubude besikulufu esibandakanyeka ekucindezelweni okusebenzayo.Ivolumu yokusebenza ephumelelayo iyancishiswa, ngakho-ke umsebenzi wokucindezela osebenzayo uyancipha kakhulu, uqaphela ukonga amandla ngomthwalo oyingxenye.Lolu hlelo lokuklama lungahlinzeka ngokulungiswa kokugeleza kwevolumu okuqhubekayo, futhi ububanzi bokulungiswa kwamandla okungabonakala ngokuvamile ku-50% kuya ku-100%.
Umshwana wokuzihlangula: Lesi sihloko senziwa kabusha kusukela ku-inthanethi.Okuqukethwe yi-athikili okwezinjongo zokufunda nokuxhumana kuphela.I-Air Compressor Network ihlala ingathathi hlangothi emibonweni esesihlokweni.I-copyright ye-athikili ingeyombhali wokuqala kanye nenkundla.Uma kukhona ukwephulwa komthetho, sicela uthinte ukuze ususe.