Imigaqo yeisikrufu somoyaukhetho
Njengesixhobo esibalulekileyo sokubonelela ngamandla ombane kwimveliso yemizi-mveliso, ii-screw air compressors kufuneka zikhethwe ngokusekelwe kwimigaqo yokhuseleko, ukuthembeka, ukonga, ukusebenza kakuhle, kunye neendleko eziphantsi zokufakela nokugcina ukuqinisekisa ukuba zinokubonelela ngemveliso ngokukhuselekileyo, ngokuzinzileyo, nangokufanelekileyo.
Okokuqala, ngokwengcinezelo yomoya kunye nokuhamba komoya okufunekayo ngumsebenzisi, khetha i-screw air compressor enesakhiwo esifanelekileyo. Ukusebenza kakuhle koomatshini (ukungcangcazela okuphantsi kunye nengxolo ephantsi) xa i-screw air compressor isebenza, ukuguquguquka okuhle phantsi kweemeko zokusebenza eziguquguqukayo, kunye nokusebenza okuzinzileyo ixesha elide zizinto ezisisiseko sokukhetha i-screw air compressor; okwesibini, ukusebenza kakuhle kwenkqubo ye-screw air compressor kufuneka kube luphawu olubalulekileyo lokukhetha i-screw air compressor, oluquka izalathisi ezibanzi ezifana nokusetyenziswa kombane weyunithi (kwh/km3) okanye ukusetyenziswa komphunga weyunithi (t/km3) yokusebenza kwe-screw air compressor, umgangatho kunye nokusetyenziswa kwamanzi kwamanzi okupholisa afunekayo yi-screw air compressor (t/km3), kunye nenzuzo yobushushu obumdaka be-screw air compressor; ukongeza, ukukhetha iiparameter zobugcisa ze-screw air compressor ezifanelekileyo (umthamo wokukhupha, uxinzelelo lokukhupha) yingcamango yokuba ingaba i-screw air compressor inokuhlangabezana neemfuno zemveliso kwaye ingaba ingasebenza ngokwezoqoqosho na; ekugqibeleni, iindleko zokufakela nokugcina i-screw air compressor kufuneka zibe yenye yezalathisi zokukhetha i-screw air compressor, kwaye uzame ukukhetha i-screw air compressor enokufakwa lula kunye neendleko zokulungisa eziphantsi.
Ukukhethwa kweii-screw air compressorskufuneka babhekisele kwezi nkqubo zilandelayo:
(1) Phanda iimfuno zomsebenzisi (uxinzelelo lomoya, ukuhamba komoya, ubushushu bomoya, ukufuma komoya, njl.njl. okufunekayo ngumsebenzisi);
(2) Bala ukumelana phakathi kwendawo yokukhupha umoya ye-screw air compressor kunye nendawo yomsebenzisi;
(3) Misela uxinzelelo olulinganisiweyo lwe-exhaust ye-screw air compressor (uxinzelelo olulinganisiweyo lwe-exhaust yeyunithi lunokubalwa ngokuphindwe kayi-1.1 kwidatha yethiyori), umthamo we-exhaust, ubushushu be-exhaust ye-screw air compressor emva kwesixhobo sokucubungula emva kokusetyenziswa, njl.njl.;
(4) Ngokweemfuno zokusebenza ngokuzenzekelayo kweyunithi, khetha iinkqubo zolawulo lwe-elektroniki ezifanelekileyo kunye neenkqubo zolawulo oluzenzekelayo;
(5) Bhala iimfuno zobugcisa ze-screw air compressor ukulungiselela ukuthengwa;
(6) Yenza uhlolo kwindawo leyo lwabavelisi kunye nabasebenzisi be-screw air compressor ukuze baqonde inqanaba lemveliso yomenzi kunye namandla emveliso, kwaye baqonde ngokunzulu impendulo yokwenyani yabasebenzisi be-screw air compressor;
(7) Yenza ukubhida kokuthengwa kwe-screw air compressor, wenze imigangatho efanelekileyo yokufumana amanqaku, kwaye ukhethe iiyunithi ze-screw air compressor ezinexabiso eliphezulu ngokubhida;
(8) Emva kokuba isivumelwano sezixhobo sisayiniwe, yenza uxwebhu lobugcisa ubuso ngobuso kunye nomthengisi we-screw air compressor ukuze kwenziwe isivumelwano sobuchwepheshe se-screw air compressor njengesihlomelo kwisivumelwano.
3. Iingxaki eziqhelekileyo kunye neengcebiso zokukhetha i-screw air compressor
1. Ukungaqondi kakuhle ukusebenza kwezakhiwo zeentlobo ezahlukeneyo zee-screw air compressors kuya kukhokelela ekukhethweni okungafanelekanga kwe-screw air compressor, nto leyo eya kuchaphazela ngokuthe ngqo ukusebenza kwezoqoqosho okulandelayo kwe-screw air compressor.
Ngokubanzi, ukusetyenziswa kwamandla koomatshini be-centrifugal abane-axis ezininzi, oomatshini be-axial flow, oomatshini be-centrifugal abaqhelekileyo abane-axis enye, oomatshini be-screw, kunye ne-plug-type screw compressors kuyakhula. Umzekelo, kwishishini lokubilisa izinto eziphilayo, uxinzelelo lomoya (uxinzelelo olupheleleyo) olufunekayo ngokubanzi luphakathi kwe-0.30MPa-0.40MPa. Kwii-screw air compressors ezingaphezulu kwe-1200Nm3/min, kungcono ukhethe ii-axial flow screw air compressors okanye iiyunithi ze-multi-axis centrifugal, ezinoqoqosho olungcono lokusebenza kunye neendleko eziphantsi zokulungisa; kwii-axial flow screw air compressors ezine-stator blades ezihlengahlengiswayo, inzuzo kukuba uluhlu oluhlengahlengiswayo lweemeko zokusebenza lubanzi, kwaye indawo yayo yokusebenza efanelekileyo ngumphezulu ogobileyo. Iyunithi inokuqinisekisa ukuba iyunithi isoloko ikwindawo yokusebenza efanelekileyo phantsi kwemithwalo eyahlukeneyo. Kumoya wesixhobo onemfuno encinci yomoya, uxinzelelo lomoya (uxinzelelo olupheleleyo) ngokubanzi luphakathi kwe-0.5-0.8MPa. Ii-screw screw air compressors zihlala zikhethwa endaweni yee-piston screw air compressors kuba ii-screw screw air compressors zinezibonelelo zesakhiwo esincinci, zincinci iindawo ezigugileyo, zisebenza ngokuzinzileyo, kwaye zisebenza kakuhle xa kuthelekiswa nee-piston screw air compressors.
2. Ukukhetha okungenangqiqo kweeparamitha ze-screw air compressor kubangela ukuba i-screw air compressor ingakwazi ukusebenza kwindawo efanelekileyo yokusebenza, kwaye ukusebenza kakuhle kweyunithi kwehla.
Ye-centrifugalii-screw air compressors, uxinzelelo kunye nokuhamba okuphawulwe kwi-nameplate zezona ndawo zokusebenza zisebenza kakuhle kakhulu kwi-screw air compressor. Ukuphambuka kule ndawo yokusebenza, ukusebenza kwe-screw air compressor akunazo iindleko. Kumsebenzi wokwenyani, ngenxa yokungaqondani kakuhle koxinzelelo kwindawo yokufunwa komoya, kunye noqikelelo lokuxhathisa komoya ukusuka kwindawo yokukhupha i-screw air compressor ukuya kumsebenzisi, ngezizathu zokhuseleko, uxinzelelo lokukhupha umoya kunye nomthamo wokukhupha umoya we-screw air compressor zihlala ziqikelelwa phezulu kakhulu xa kubhalwa amaxwebhu okubhida i-screw air compressor, okubangela ukuphambuka okukhulu phakathi kwedatha yokusebenza kunye nexabiso loyilo lweyunithi. Umzekelo, inkampani yayalela i-screw air compressor enoxinzelelo lokukhupha umoya olulinganisiweyo (uxinzelelo olupheleleyo) lwe-0.4MPa, kodwa ekusebenzeni kokwenyani, uxinzelelo lokukhupha umoya lwe-screw air compressor lumalunga ne-0.31MPa kuphela, kwaye ukusetyenziswa kwamandla kweyunithi kuphezulu. Ke ngoko, xa kumiselwa iiparameter zobugcisa ze-screw air compressor entsha, kuyimfuneko ukufumanisa uxinzelelo kwindawo yokusetyenziswa komoya kunye nokubalwa kokuxhathisa kokuhamba komoya ukuqinisekisa ukuba iiparameter zoyilo lwe-screw air compressor ziyahambelana nokusebenza kokwenyani. Kungale ndlela kuphela apho i-screw air compressor ekhethiweyo inokuthi isebenzise kakuhle ukusebenza kwayo.
3. Iimeko zikawonke-wonke zoyilo lwee-screw air compressors zinzima, nto leyo echaphazela ukusebenza okukhuselekileyo nokungabizi kakhulu kwee-screw air compressors.
Umzekelo, inkampani ithengile i-screw air compressor yangaphandle enesantya sokuhamba kwe-855m3/min kwiminyaka emininzi eyadlulayo, kwaye uxinzelelo lokukhupha umoya (uxinzelelo olupheleleyo) lweyunithi yayiyi-0.33MPa. Iimeko zikawonke-wonke zoyilo lwe-screw air compressor zifuna ukuba ubushushu bamanzi okupholisa kwi-interstage cooler bube yi-5°C. Kwindlela esebenza ngayo, ubushushu bamanzi okupholisa buhlala buphezulu kunobu bushushu, nto leyo ebangela ubushushu obuphezulu bokungenisa umoya kwi-screw air compressor kunye nokwehla kokusebenza kakuhle kweyunithi. Xa kusetyenziswa amanzi angama-5°C, ixabiso lamanzi abandayo angama-5°C liphezulu, nto leyo ebangela iindleko eziphezulu zokuhambisa umoya kwi-screw air compressor, kwaye iyunithi ayinakusebenza ixesha elide. Ukuqinisekisa ukusebenza kakuhle kwenkqubo ye-screw air compressor, xa kuyilwa i-screw air compressor, abasebenzisi kufuneka banike idatha yenkqubo kawonke-wonke ehambelana nendawo.
4. Uyilo kunye nokufakelwa kwesixhobo se-screw air compressor emva kokucubungula akunangqiqo, ukumelana komoya kuyanda, uxinzelelo lokukhupha umoya lwe-screw air compressor luyanda, kwaye ukusetyenziswa kwamandla kweyunithi kuyanda.
Abanye abasebenzisi bathenga umzimba we-screw air compressor kunye nesixhobo sokucubungula emva kokusetyenziswa ngokwahlukeneyo. Ukuba amandla oyilo lomenzi wesixhobo sokucubungula emva kokusetyenziswa awonelanga, kwaye kuphela isiphumo sokupholisa kunye neendleko zokuvelisa umoya eziqwalaselwayo, inani lee-fins zetyhubhu yokutshintsha ubushushu liya kwandiswa kwindawo encinci yesikhongozeli, nto leyo ebangela ukuvaleka komoya. Kwangaxeshanye, ukusuka kwindawo yokukhupha i-screw air compressor ukuya emoyeni ongena kumbhobho ophambili womoya, ukwanda kwenani leengqiniba kuya kwandisa ukumelana nokuhamba komoya, kwaye ukunciphisa inani leengqiniba kunokunciphisa ukumelana komoya; ukongeza, kwizixhobo ze-screw-flow air compressor emva kokusetyenziswa kwe-screw enkulu, ukuba indawo ekwindawo iyavuma, iiseti ezimbini zezixhobo zingasetyenziswa ekusebenzeni ngaxeshanye, okunokunciphisa ngempumelelo ukumelana nokuhamba komoya. Umbhali ucebisa ukuba isixhobo se-screw air compressor emva kokusetyenziswa kunye noqhagamshelo lwepayipi kufuneka luyilwe kwaye lubonelelwe ngumenzi we-screw air compressor ukuqinisekisa ukusebenza okuzinzileyo noqoqosho lwenkqubo ye-screw air compressor.
Ixesha lokuthumela: Agasti-08-2024
