01 Ulawulo kunye nohlengahlengiso lwevolumu yegesi
I-80% yexabiso lilonke lomoya ocinezelweyo ibonakala ekusetyenzisweni kwamandla. Ke ngoko, kwiintlobo ezahlukeneyo zee-screw air OSG screw air compressors, iinkqubo ezahlukeneyo zolawulo kunye nolawulo kufuneka zikhethwe ngokweenkqubo ezahlukeneyo zolawulo. Umahluko phakathi kweentlobo ezahlukeneyo ze-screw air OSG screw air compressor kunye nabavelisi banokwenza umahluko omkhulu ekusebenzeni. Eyona meko ifanelekileyo kukwenza umthwalo opheleleyo we-screw air OSG screw air compressor ufane nqwa nokusetyenziswa komoya.
Oku kunokufezekiswa, umzekelo, ngokukhetha ngononophelo umlinganiselo wokudluliselwa kwebhokisi yegiya, into eqhelekileyo kwi-process screw air OSG screw air compressors. Uninzi lwezixhobo ezisebenzisa umoya ocinezelweyo ziyazilawula, oko kuthetha ukuba ukonyusa uxinzelelo kwandisa ukuhamba, yiyo loo nto zenza inkqubo ezinzileyo, efana nokuhambisa umoya, ukulwa neqhwa kunye nokuqandisa, njl. Kwiimeko eziqhelekileyo, ukuhamba kufuneka kulawulwe, kwaye izixhobo zokulawula ezisetyenziswayo zidibene ne-screw air OSG screw air compressor. Kukho iintlobo ezimbini eziphambili zeenkqubo zohlengahlengiso ezinjalo:
1. Lungisa umthamo wegesi ngokulawula rhoqo isantya semoto eqhubayo, okanye ulawule rhoqo ivalvu ngokwenguqu yoxinzelelo ukuze ufezekise uhlengahlengiso oluqhubekayo lomthamo wegesi. Isiphumo kukutshintsha okuncinci koxinzelelo (0.1 ukuya kwi-0.5 bar), ubungakanani botshintsho bumiselwa ngumsebenzi wokukhulisa wenkqubo yokulawula kunye nesantya sayo.
2. Uhlengahlengiso lokulayisha nokukhupha umthwalo zezona nkqubo ziqhelekileyo zohlengahlengiso, kwaye utshintsho loxinzelelo phakathi kwezi zimbini luyamkeleka. Indlela yokulawula kukusika ngokupheleleyo ukuhamba (ukukhulula umthwalo) kuxinzelelo oluphezulu, kunye nokuqalisa kwakhona ukuhamba (umthwalo) xa uxinzelelo luhla luye kwixabiso eliphantsi. Utshintsho kuxinzelelo luxhomekeke kwinani elivumelekileyo lemijikelo yokulayisha/yokukhulula umthwalo ngexesha ngalinye, ngesiqhelo kuluhlu lwe-0.3 ukuya kwi-1 bar.
02 Umgaqo osisiseko wokulungiswa komthamo womoya
2.1 Umgaqo wolawulo lwe-positive displacement screw air OSG screw air compressor (i-valve yokunciphisa uxinzelelo)
Indlela esisiseko yomgaqo-siseko yile: khupha uxinzelelo olugqithisileyo emoyeni. Uyilo olulula lwevalvu yokukhulula uxinzelelo kukusebenzisa ukulayisha kwentwasahlobo, kwaye amandla okusuka kwentwasahlobo amisela uxinzelelo lokugqibela. Ivalvu yokukhulula uxinzelelo idla ngokutshintshwa yivalvu yeservo elawulwa ngumlawuli. Ngeli xesha, uxinzelelo lunokulawulwa ngokulula. Xa i-screw air OSG screw air compressor iqalwa phantsi koxinzelelo, ivalvu yeservo ingasebenza njengevalvu yokukhulula, kodwa ivalvu yokukhulula uxinzelelo iya kubangela ukusetyenziswa kwamandla amaninzi kuba i-screw air OSG screw air compressor kufuneka isebenze ngokuqhubekayo ngoxinzelelo olupheleleyo ngasemva. Kukho isisombululo se-screw air OSG screw air compressors ezincinci. Olu hlobo lwevalvu luvuliwe ngokupheleleyo ukuze kukhutshwe i-screw air OSG screw air compressor, kwaye i-screw air OSG screw air compressor isebenza phantsi koxinzelelo olungasemva loxinzelelo lomoya. Ukusetyenziswa kwamandla kwale ndlela kufikeleleka ngakumbi.
2.2 Uhlengahlengiso lwe-Bypass
Ngokomgaqo, uhlengahlengiso lwe-bypass kunye nevalvu yokunciphisa uxinzelelo zinomsebenzi ofanayo, umahluko kukuba umoya okhutshwa kuxinzelelo uyaphola kwaye ubuyiselwe kwi-air inlet ye-screw air OSG screw air compressor. Le ndlela isetyenziswa rhoqo kwi-screw air OSG screw air compressors, kwaye igesi akufuneki ikhutshwe ngqo emoyeni. , ixabiso libiza kakhulu.
2.3 Ukucinezela ngaphakathi
Ukugoba kokungena yindlela elula yokunciphisa ukuhamba kwamanzi, okukukuvelisa uxinzelelo oluphantsi kwindawo yokungena, ukwandisa umlinganiselo wokucinezelwa kwe-screw air OSG screw air compressor, kwaye uyisebenzisele uluhlu oluncinci lohlengahlengiso. Ii-compressors zomoya ze-OSG screw ze-liquid injection screw zivumela umlinganiselo omkhulu wokucinezelwa kwaye zinokuhlengahlengiswa ukuya kuthi ga kwi-10%. Ngenxa yomlinganiselo ophezulu wokucinezelwa, le ndlela ibangela ukusetyenziswa kwamandla okuphezulu.
2.4 Ivalvu yokunceda uxinzelelo ene-inlet yemitha
Le yindlela eqhelekileyo yokulungisa okwangoku, enokufumana uluhlu olukhulu lokulungisa (0 ukuya kwi-100%), kwaye isetyenziswa ngamandla aphantsi. Amandla angafakwanga (zero flow) e-screw air OSG screw air compressor yi-15 ukuya kwi-20% kuphela yomthwalo opheleleyo. Xa ivalvu yokungenisa ivaliwe, kushiyeka umngxuma omncinci, kwaye kwangaxeshanye, umoya uvulwa ukuze kukhutshwe umoya kwi-screw air OSG screw air compressor. Iyunithi ephambili ye-screw air OSG screw air compressor isebenza phantsi kwemeko ye-inlet vacuum kunye noxinzelelo oluphantsi lomqolo. Kubalulekile ukuba ukukhululwa koxinzelelo kube ngokukhawuleza kwaye umthamo okhutshiweyo ube mncinci, ukuze kuthintelwe ilahleko ezingeyomfuneko ezibangelwa kukutshintsha ukusuka kumthwalo opheleleyo ukuya kumthwalo ongekhoyo. Inkqubo ifuna umthamo wenkqubo (i-accumulator), ubukhulu bayo buxhomekeke kumahluko ofunekayo woxinzelelo phakathi kokukhupha umthwalo kunye nokulayisha, kunye nenani elivumelekileyo lemijikelo ngeyure.
Ii-screw air compressors ze-OSG ezingaphantsi kwe-5-10kW zihlala zilungiswa ngendlela yokuvula/ukucima. Xa uxinzelelo lufikelela kumda ophezulu, imoto iyayeka ngokupheleleyo; xa uxinzelelo luphantsi komda ophantsi, imoto iyaqalisa kwakhona. Le ndlela ifuna umthamo omkhulu wenkqubo okanye umahluko omkhulu woxinzelelo phakathi kokuqalisa kunye nokumisa ukunciphisa umthwalo kwimoto. Le yindlela esebenzayo yokulungisa xa kukho ukuqala okumbalwa ngexesha ngalinye.
2.5 Uhlengahlengiso lwesantya
Isantya se-screw air OSG screw air compressor silawulwa yi-internal combustion engine, i-turbine okanye i-frequency-regulated electric motor, ngaloo ndlela ilawula ukuhamba. Yindlela esebenzayo yokugcina uxinzelelo oluqhubekayo lokuphuma. Uluhlu lohlengahlengiso luyahluka ngokwe-screw air OSG screw air compressor type, kodwa ii-liquid injection screw air OSG screw air compressors zinoluhlu olukhulu. Kumanqanaba omthwalo aphantsi, ulawulo lwesantya kunye nokunciphisa uxinzelelo zihlala zidityanisiwe, kunye okanye ngaphandle kokuthintela ukungena komoya.
Kwi-screw air OSG screw air compressors ezisebenza ngeemoto zombane, isantya sinokulawulwa zizixhobo zombane, ngaloo ndlela zinika ithuba lokulawula isantya semoto kwaye zigcine umoya ocinezelweyo ungaguquki ngaphakathi koluhlu oluncinci lotshintsho loxinzelelo. Umzekelo, i-induction motor eqhelekileyo ingahlangabezana nale mfuneko ngokulungelelanisa isantya nge-frequency converter, ngokuqhubekayo nangokuchanekileyo ilinganise uxinzelelo lwenkqubo, ize emva koko ivumele isignali yoxinzelelo ilawule i-frequency converter yemoto, ngaloo ndlela ilawula isantya semoto kwaye yenze umthamo wegesi we-screw air OSG screw air compressor Ilungelelaniswe ngokuchanekileyo nokusetyenziswa komoya, inkqubo inokugcinwa kwi-±0.1 bar.
2.6 Uhlengahlengiso lwezibuko zokukhupha umoya eziguquguqukayo
Ukushenxiswa kwe-OSG screw air compressor ye-screw air kunokulungiswa ngokususa indawo ye-exhaust port ukuya kwisiphelo sokungenisa kubude be-casing. Le ndlela ifuna ukusetyenziswa kwamandla aphezulu kumthwalo oyingxenye kwaye ayiqhelekanga.
2.7 Ukukhupha ivalvu yokufunxa
I-compressor ye-OSG screw air compressor ye-piston screw air inganyanzela ngoomatshini i-suction valve ukuba ibe kwindawo evulekileyo yokukhupha. Njengoko indawo ye-piston itshintsha, umoya uyangena uphuma. Isiphumo kukulahlekelwa kwamandla okuncinci, ngokuqhelekileyo kungaphantsi kwe-10% yamandla e-shaft egcwele umthwalo. Kwi-compressor ye-OSG screw air compressor ye-screw air ene-double-acting screw, ngokuqhelekileyo ikhupha i-multi-stage, kwaye isilinda enye ilinganiswe ngexesha, ukuze umthamo wegesi ukwazi ukuhlangabezana ngcono nokunikezelwa kunye nemfuno. Indlela yokukhupha i-partial isetyenziswa kwi-process flow screw air OSG screw air compressor, evumela i-valve ukuba ivulwe xa i-piston ikwi-partial stroke, ngaloo ndlela kufezekiswa ulawulo oluqhubekayo lwe-gas volume.
2.8 Umthamo wokucoca
Ngokutshintsha ivolumu yokukhupha umoya kwi-piston screw air OSG screw air compressor, inqanaba lokuzalisa lesilinda liyancitshiswa, ngaloo ndlela kunciphisa ivolumu yegesi, kwaye ivolumu yokukhupha umoya ingatshintshwa ngokusebenzisa ivolumu eqhagamshelwe ngaphandle.
2.9 Ukulayisha-ukukhulula-ukuvala
Kwi-screw air compressors ze-OSG ezisebenzisa ii-screw air compressors ezinamandla angaphezu kwe-5kW, le yeyona ndlela isetyenziswa kakhulu, inoluhlu olukhulu lohlengahlengiso kunye nokulahleka okuphantsi. Enyanisweni, yindibaniselwano yokulungiswa kokuvula/ukuvala kunye neenkqubo ezahlukeneyo zokukhupha umthwalo. Ii-positive displacement screw air compressors ze-OSG ezisebenzisa ii-screw air compressors, umgaqo oqhelekileyo wolawulo "ngumoya oveliswayo"/"akukho moya uveliswayo" (umthwalo/ukukhululwa), xa kufuneka umoya, isignali ithunyelwa kwi-solenoid valve, ethi yona ikhokhele i-intake valve ye-screw air compressor ye-OSG ukuze ifikelele kwindawo evulekileyo ngokupheleleyo. I-intake valve ivuliwe ngokupheleleyo (ilayishiwe) okanye ivaliwe ngokupheleleyo (ikhululiwe), ngaphandle kweendawo eziphakathi.
Indlela yokulawula yendabuko kukufaka iswitshi yoxinzelelo kwinkqubo yomoya ocinezelweyo. Iswitshi inexabiso ezimbini ezimiselweyo, enye yingcinezelo encinci (ukulayisha) kwaye enye yingcinezelo ephezulu (ukukhulula). I-screw air OSG screw air compressor isebenza ngaphakathi kwemida ye-setpoint, umz. 0.5bar. Ukuba imfuno yomoya incinci, okanye ayifuneki kwaphela, i-screw air OSG screw air compressor iya kusebenza ngaphandle komthwalo (ukungasebenzi), kwaye ubude bexesha lokungasebenzi bumiselwa yi-time relay (umzekelo, isetiwe kwimizuzu engama-20). Emva kwexesha elimiselweyo, i-screw air OSG screw air compressor iyama kwaye ayiqali kwakhona de uxinzelelo lwehle luye kwixabiso elincinci. Le yindlela yendabuko yokulawula okuthembekileyo, uxolo lwengqondo kwaye ngoku ifumaneka kakhulu kwi-small screw air compressors OSG screw air compressors.
Le nkqubo yendabuko yaphuhliswa ngakumbi ukuze ithathe indawo yeswitshi yoxinzelelo nge-analog pressure transmitter kunye nenkqubo yokulungisa ye-elektroniki ekhawulezayo. Kunye nenkqubo yokulawula, i-pressure transmitter iyaziva utshintsho loxinzelelo kwinkqubo nangaliphi na ixesha. Inkqubo iqala i-motor ngexesha kwaye ilawula ukuvulwa nokuvalwa kwevalvu yokungenisa. Ulawulo olukhawulezayo noluncinci lunokufezekiswa ngaphakathi kwe-±0.2bar. Ukuba akukho moya usetyenziswayo, uxinzelelo luhlala luhleli kwaye i-screw air OSG screw air compressor isebenza ingenanto (idling). Ubude bomjikelo we-idling bunokugqitywa ngokwenani lokuqala kunye nokuma okunokumelana ne-motor ngaphandle kokutshisa kakhulu, kunye noqoqosho ngexesha lokusebenza. Okokugqibela kungenxa yokuba inkqubo inokugqiba ukuba iyeke okanye iqhubeke i-idling ngokwendlela yokusetyenziswa komoya.
03 Isishwankathelo
Ngamafutshane, umoya ocinezelweyo usetyenziswa kwizicelo ezahlukeneyo naphantsi kweemeko ezahlukeneyo zokusetyenziswa komoya. I-air screw air compressor nganye ye-OSG screw air inendlela eyahlukileyo yomthamo womoya, kodwa isekelwe kumthamo womoya womsebenzisi. Iyunithi ye-screw air compressor ye-OSG screw air ixhomekeke kwiindlela zayo zokulawula umthamo womoya kunye nokulungelelanisa ukuze kufezekiswe ukunikezelwa komthamo womoya ongapheliyo noqhubekayo. Abavelisi bee-screw air compressor ze-OSG screw air abahlukeneyo basebenzisa imigaqo eyahlukeneyo yokulungelelanisa ukuphucula ukusebenza kwee-screw air compressors ze-OSG screw air brand yabo ukuze bandise ukusebenza kakuhle kwamandla kwaye bahlangabezane neemfuno zabathengi; ngokuchaneka okuphezulu, ukugcinwa okuphantsi, kunye nokukwazi ukulinganisa iiparameter ezifana noxinzelelo kunye nokuhamba, ukuhlangabezana nokusetyenziswa kwezihlandlo ezahlukeneyo ze-screw air screw air OSG screw air compressor.
Ixesha lokuthumela: Sep-08-2023
