Umsebenzi wesiqandisi kumele abe yingcweti: I-Data Center Refrigeration System design izinkinga ezingu-40!

1. Yiziphi izimo ezintathu ezidingekayo ekusebenzeni okuphephile kwesistimu yesiqandisi?

Impendulo:

(1) Ukucindezela kwesiqandisi ohlelweni ngeke kube ukucindezela okuphezulu okungavamile, ukuze kugwenywe ukuphuka kwempahla.

(2) Angeke kwenzeke (okungaholela) ekushayweni okumanzi, ukuqhuma koketshezi, ukuteleka koketshezi nokunye ukungasebenzi kahle, ukuze kugwenywe ukulimala kwemishini.

(3) Izingxenye ezihambayo akufanele zibe namaphutha noma izinsimbi eziqinile, ukuze zingalimazi umshini.

 

2.Liyini izinga lokushisa lokuhwamuka?

Impendulo:

(1) Izinga lokushisa lesiqandisi ku-evaporator lapho libila futhi lihwamuka ngaphansi kokucindezela okuthile kubizwa ngokuthi izinga lokushisa lokuhwamuka.

 

3.Lithini izinga lokushisa lokufinqa?

Impendulo:

(1) Izinga lokushisa lapho isiqandisi segesi esiku-condenser sijiya sibe uketshezi ngaphansi kokucindezela okuthile sibizwa ngokuthi izinga lokushisa lokufingqa.

 

4.Lithini izinga lokushisa elipholile (noma elipholile kakhulu)?

A: (1) Izinga lokushisa lapho isiqandisi esiwuketshezi esijiyile sipholiswa ngaphansi kwezinga lokushisa elijiya ngaphansi kokucindezela okujiya kubizwa ngokuthi izinga lokushisa elipholile (noma izinga lokushisa elipholile kakhulu).

 

5.Liyini izinga lokushisa eliphakathi nendawo?

A: (1) Isistimu yokucindezela yezigaba ezimbili, izinga lokushisa lokugcwaliswa kwesiqandisi ku-intercooler ngaphansi kwengcindezi ephakathi libizwa ngokuthi izinga lokushisa eliphakathi.

 

6.(indlela yokuthola, indlela yokulawula) izinga lokushisa lokumunca i-compressor?

A: (1) Izinga lokushisa lokumunca le-compressor lingalinganiswa nge-thermometer phambi kwevalvu yokumunca ye-compressor.Izinga lokushisa lokumunca ngokuvamile liphakeme kunezinga lokushisa lokuhwamuka, futhi umehluko ophakeme uncike kubude bepayipi elibuyayo kanye nesimo sokufakwa kwamapayipi.Ngokuvamile, kufanele ibe phezulu ngo-5~10 kunezinga lokushisa lokuhwamuka.Ukushintsha ukunikezwa kwamanzi kungalungisa ukushisa okukhulu.

 

7.(indlela yokuthola) izinga lokushisa lokukhipha i-compressor, (izinga lokushisa lokukhipha umoya elithintekayo yiziphi izici)?

A: (1) Izinga lokushisa le-exhaust le-compressor lingalinganiswa nge-thermometer epayipini lokukhipha umoya.Izinga lokushisa le-exhaust lilingana nesilinganiso sokucindezela kanye nezinga lokushisa lokudonsa.Ukuphakama kwesilinganiso sokushisa okuphezulu nokucindezela, kuyanda izinga lokushisa lokukhipha umoya;Kungenjalo, okuphambene.Ngokuvamile, ingcindezi yokukhipha umoya iphakeme kancane kunomfutho we-condensation.

 

1. Iyini imoto Emanzi (ukuhlasela okuwuketshezi)?

A: (1) Uketshezi oluyisiqandisi noma isitimu esimanzi simuncwa ku-compressor yi-compressor ngenxa yokwehluleka noma ukuhwamuka okwanele kwe-endothermic kwesiqandisi.

 

8.Yini ebangela Imoto emanzi?

A: (1) Ukulawulwa kwezinga loketshezi lwesihlukanisi segesi-uketshezi noma umphongolo wokujikeleza komfutho ophansi kuyahluleka, okuholela ezingeni loketshezi eliphezulu kakhulu.

(2) uketshezi oluwuketshezi lukhulu kakhulu, uketshezi oluwuketshezi luphuthuma kakhulu.I-throttle valve iyavuza noma ivuleke inkulu kakhulu.

(3) I-evaporator noma isihlukanisi se-gas-liquid (umphongolo wokujikeleza komfutho ophansi) ubamba uketshezi oluningi, umthwalo wokushisa mncane, futhi umthwalo uyashesha kakhulu uma uqala.

(4) Ukwanda okungazelelwe komthwalo wokushisa;Noma ayizange ilungise ivalve yokumunca ngemva kwesithwathwa.

 

9.Kuzokwenzekani ngemva kwemoto Emanzi?

A: Emshinini we-piston: (1) isiqandisi singena ku-compressor, okwenza amafutha okugcoba akhiqize amabhamuza amaningi, abhubhise ifilimu kawoyela endaweni yokugcoba, futhi enze umfutho kawoyela ungagxili.

(2) Yenza izingxenye ezihambayo zigijime ngaphansi kwesimo sokungagcobi kahle, okuholela ekudwebeni izinwele;Ezimweni ezimbi kakhulu, i-shaft yokubamba, i-shaft main wabbitt alloy iyancibilika.

(3) Isiqandisi singena ku-compressor, okwenza isilinda sinciphe kakhulu futhi sigone ipiston;Ukulimala kwe-cylinder liner, i-piston, induku yokuxhuma kanye nephinikhodi ye-piston ezimeni ezinzima.

(4) Ngenxa yokuthi uketshezi aluthinteki, induku yokuxhuma nepiston kungaphansi kwamandla angaphezu kwenani lomklamo, okulula ukubangela umonakalo;Ngenxa yokuthi uketshezi alukwazi ukucindezelwa, i-valve yokukhipha umoya ehlanganiswe nesembozo samanga izophakanyiswa umthelela woketshezi uma kwenzeka iloli le-tide;I-Serious izoholela ekulimazeni kwesiphethu sokuphepha, futhi ngisho nokuphahlazeka emzimbeni, ikhanda le-cylinder, i-gasket ye-breakdown kanye nokulimala komuntu siqu.

Ngomshini wesikulufa: imoto emanzi izodala ukudlidliza, ikhulise umsindo, i-rotor kanye nokuthwala (ukucindezeleka okukhulu) umonakalo;Ama-hipster anzima nawo angalimaza imishini futhi adale izingozi.

 

10.Ungabhekana kanjani ne- Imoto emanzi?

A: (1) Uma i-piston compressor inomswakama, i-valve yokumisa ukudonsa ye-compressor kufanele yehliswe ngokushesha, futhi i-throttle valve kufanele ivalwe ukuze kumiswe ukunikezwa koketshezi.Uma izinga lokushisa lokumunca liqhubeka nokuncipha, qhubeka unciphisa noma uvale ngisho nevalve yokumunca, futhi uyikhiphe ize yehle ibe ziro.Sebenzisa ukushisa kwe-friction phakathi kwe-crankshaft kanye nesihlahla esithwalayo ukuze ushise isiqandisi ku-crankcase.Lapho ingcindezi ku-crankcase ikhuphuka, faka iqembu lamasilinda ukuze lisebenze, bese ukhulula ngemva kokuncipha kwengcindezi.Phinda izikhathi eziningana kuze kube yilapho isiqandisi esiku-crankcase sihwamuka ngokuphelele.Ngemva kwalokho, vula kancane i-valve yokumisa ukumunca futhi kancane kancane ukwandisa umthwalo.Uma kusekhona uketshezi oluyisiqandisi emgqeni wokumunca, phinda inqubo yangaphambilini.Kuze kube yilapho uketshezi seluphelile ngokuphelele, vula kancane kancane i-valve yokumisa ukumunca, i-compressor ibe umsebenzi ojwayelekile.Lapho i-tide car isenzeka, kufanele kuqashelwe ukuze kubhekwe futhi kulungiswe umfutho kawoyela.Uma kungekho umfutho kawoyela noma umfutho kawoyela uphansi kakhulu, umshini kufanele uvalwe ngokushesha, futhi kukhishwe amafutha okugcoba nesiqandisi ku-crankcase.Lapho imoto emanzi yenzeka ku-screw compressor, ivalve yokumisa ukumunca ye-compressor kufanele ivalwe ngokushesha, futhi i-throttle valve kufanele ivalwe ukuze kumiswe ukunikezwa koketshezi.Uma izinga lokushisa lokumunca liqhubeka nokuncipha, qhubeka nokwehlisa kodwa ungavali ivalvu yokumunca ukuze uvimbele umsindo ongavamile nokudlidliza okubangelwa ukucindezela okuphansi kakhulu kokumunca, futhi wehlise umthwalo uze wehliselwe kuqanda.I-screw compressor ayizwani ne-stroke emanzi, futhi uketshezi olusepayipini lokubuyisela lukhishwa kancane kancane engxenyeni kawoyela.Bese uvula i-valve yokumisa ukumunca bese ukhuphula kancane umthwalo kuze kube yilapho i-compressor ifakwa ekusebenzeni okujwayelekile.Uma kwenzeka imoto yamagagasi, ukunakwa kufanele kukhokhwe ukuze kubhekwe futhi kulungiswe umfutho kawoyela.Ukuze uvimbele ukuthi izinga lokushisa likawoyela lingabi phansi kakhulu, vula izinto zokushisisa uwoyela noma wehlise ivalvu yamanzi okupholisa uwoyela.

 

11.Wisigqoko sibangela ukuthi ingcindezi yokukhipha iphezulu kakhulu, ungayikhipha kanjani?

A: (1) Uhlelo kanye nengxenye yokucindezela okukhulu kwegesi exubile kuzodala ukucindezela okuphezulu kokukhipha.Umoya kufanele ukhululwe.Ohlelweni lwe-ammonia, ukuze kwehliswe ukungcoliswa kwe-ammonia emkhathini, isihlukanisi somoya ngokuvamile sisetshenziselwa ukukhipha igesi engacondensable ohlelweni.

Isistimu encane ye-fluorine ingakhishwa ngokuqondile nge-valve yokukhipha umoya ku-condenser.Vula i-valve yomoya kancane ukuze ukhulule umoya.Uma igesi ekhishiwe ingumusi omhlophe, okubonisa ukuthi i-freon eyengeziwe ikhululiwe, i-valve kufanele ivalwe ukuze kuqedwe umsebenzi wokukhipha umoya.

(2) Kukhona ukukala noma ukunqwabelana kwemfucumfucu ohlangothini lwamanzi lweshubhu lokushintshanisa ukushisa kwe-condenser.Isembozo samanzi ezinhlangothini zombili ze-condenser kufanele sivulwe ukuze kuhlolwe futhi kuhlanzwe (hlanza ngesibhamu samanzi sokucindezela okuphezulu, sula ngebhulashi noma umdwebo wendwangu, sicela uhlanzwe inkampani yochwepheshe).

(3) Ukunqwabelana koketshezi okweqile kanye nokunqwabelana kwamafutha ku-condenser.Hlola ukuthi i-valve yokuphuma kanye ne-valve yepayipi yebhalansi ye-condenser ivuliwe ngokugcwele (kufanele ivuleke ngokugcwele), futhi uhlole ukuthi ikhanda le-valve liyawa yini uma kunesidingo.Khipha isiqandisi esiningi namafutha aqoqiwe ayisiqandisi.

(4) I-gasket ehlukanisayo yekhava yokugcina ye-condenser yonakalisiwe, okuholela ekujikelezeni okufushane kwamanzi okupholisa.Isembozo samanzi ezinhlangothini zombili ze-condenser kufanele sivulwe, ukugqwala kwephedi lokuhlukanisa kufanele kususwe, futhi i-rubber pad kufanele ishintshwe.

(5) Izinga lokushisa lokungena nokukhipha amanzi okupholisa lingaphezu kwezidingo zomklamo.Hlanza indle yombhoshongo wamanzi okupholisa, hlola ukuthi ingabe isisabalalisi samanzi siyawa futhi siyatsheka, nokuthi indawo yokungena amanzi ivinjwe izinto zangaphandle.

(6) ukugeleza kwamanzi okupholisa okunganele.Umehluko wokushisa wamanzi apholisa ngaphakathi nangaphandle udlula izidingo.Hlola: ukuthi ukugqokwa komshini wepompo kukhulu kakhulu;Ukuthi kukhona ukuvinjelwa komzimba wangaphandle epompo;I-valve yamanzi, i-valve yokuhlola, isikrini sokuhlunga asijwayelekile;Ukuthi inhloko yepompo iyahlangabezana yini nezidingo;Ukuthi umzila wamapayipi amanzi kanye nokucaciswa kwawo kunengqondo.

 

13. Tyena compressor akakwazi ukuqala imbangela kanye nokwelashwa indlela?

A: (1) Ukuhluleka kukagesi;Hlola futhi ulungise.

(2) ukwehluleka kwe-pressure relay noma i-oil pressure relay;Hlola futhi ulungise abathintwayo abaxhumene be-pressure relay ne-oil pressure relay.

(3) ingcindezi ye-crankcase noma i-intermediate pressure iphezulu kakhulu;Lungisa i-disc valve exhaust noma unciphise i-crankcase kanye nengcindezi ephakathi.

(4) (umshini wepiston) ukwehluleka kwendlela yokulayisha;Hlola futhi ulungise.

14.Tyena i-piston machine cylinder ngaphakathi kwesizathu esizwakalayo sokungqongqoza kanye nendlela yokwelapha?

A: (1) Lapho igijima, ipiston ishaya ivalve yokukhipha umoya;Vula ikhanda le-cylinder elinomsindo ukwandisa imvume phakathi kwepiston nesihlalo sangaphakathi

(2) Ibhawodi yevalvu yomoya ixega;Qinisa amabhawodi e-valve.

(3) I-valve disc iphukile futhi iwela kusilinda, futhi imvume phakathi kwekhanda elincane lephinikhodi nenduku yokuxhuma inkulu kakhulu, futhi imvume phakathi kwepiston nesilinda inkulu kakhulu;Hlola, lungisa futhi ulungise ngemva kokususwa kwesilinda.

(4) Isiphethu sekhava samanga sikhubazekile futhi amandla anwebekayo awanele;Iphedi yokwandisa amandla entwasahlobo noma esikhundleni.

(5) Uketshezi oluyisiqandisi lungena kusilinda futhi lubangele uketshezi olushaywayo;Yehlisa i-valve yokumisa ukumunca, ivalve yokukhipha uketshezi iphansi noma uvale isikhashana ukuze ukhiphe uketshezi.

 

15.Tyena i-piston crankcase ngaphakathi kwesizathu esizwakalayo somsindo nendlela yokwelapha?

A: (1) igebe phakathi kwenduku yokuxhuma isihlahla esinekhanda elikhulu kanye nephinikhodi likhulu kakhulu;Hlola futhi ulungise ukuvunyelwa kwayo noma uyishintshe.

(2) Ukuvuleka phakathi kwentamo yokuphotha kanye nebheyili enkulu kukhulu kakhulu;Hlola imvume yokulungisa.

(3) i-flywheel ikhululekile ngomphini noma ukhiye;Hlola futhi ulungise imvume nokulungisa.

(4) Iphinikhodi yekhotha yebhowudi yenduku yokuxhuma iphukile futhi nati lenduku yokuxhuma liyaxega;Qinisa induku yentonga yokuxhuma bese ukhiya ngephinikhodi ye-cotter.

 

16.Piston compressor ngemuva kokuqala kokungabi khona kwezimbangela zengcindezi kawoyela nezindlela zokwelapha?

A: (1)Tizingxenye zokudlulisela zepompo likawoyela ziyahluleka;Hlukanisa futhi ulungise.

(2) Indawo kawoyela yephampu kawoyela ivaliwe;Hlola ukuze ususe ukungcola.

(3)Oukwehluleka kwegeji yokucindezela;Faka esikhundleni igeji yomfutho kawoyela.

(4)Oil isihlungi kanye ne-shaft seal ngaphandle kwamafutha;Ngaphambi kokushayela, uwoyela kufanele ufakwe kusihlungi sikawoyela esihle kanye ne-shaft seal ukuvimbela ukumuncwa okungenalutho ngesikhathi sokushayela.

 

17.PI-iston compressor oil pressure iyimbangela ephansi kakhulu kanye nendlela yokwelapha?

A: (1)Tisihlungi samafutha sivinjiwe;Susa futhi uhlanze.

(2)Oukwehluleka kwe-valve yokulawula ingcindezi;Lungisa noma shintsha.

(3) Ukuvuleka phakathi kwegiya lepompo likawoyela kanye nesembozo sepompo kukhulu kakhulu futhi kugugile;Lungisa noma shintsha.

(4)Cizinga likawoyela we-rankcase liphansi kakhulu;Engeza amafutha noma buyisela amafutha emafutheni.

(5) Ukuguga okubucayi kwama-bearings kuzo zonke izingxenye kubangela ukuphuma ngokweqile noma ukuvuza kukawoyela kweminye imizila kawoyela;Hlola futhi ulungise.

 

18.PUkusetshenziswa kukaphethiloli kwe-iston compressor kwandisa imbangela kanye nendlela yokwelapha?

A: (1) Uketshezi oluyisiqandisi lungena ku-crankcase;Yehlisa noma vala isikhashana ivalve yokumisa ukumunca kanye nevalvu yokudonsa (bheka indlela yokubhekana neloli le-tide).

(2)Tindandatho yokuvala, indandatho yokukhuhla uwoyela noma isilinda isigqokwe kakhulu noma ilokhi yepiston isemugqeni;Hlola, lungisa, bese ushintsha izingxenye eziguge kabi uma kudingeka.

(3)Tizinga likawoyela we-crankcase liphezulu kakhulu noma izinga lokushisa lokukhipha umoya liphezulu kakhulu;Khipha uwoyela wokugcoba noma uthathe izinyathelo zokunciphisa izinga lokushisa lokukhipha umoya.

 

19.Iyini imbangela yokuvuza kwamafutha noma ukuvuza komoya kwe-shaft seal nokuthi ungabhekana kanjani nakho?

A: (1)Sukuhlanganiswa kwe-haft seal kubi noma ukuvala uphawu kwe-shaft seal ebusweni kudonswe;Hlola futhi ulungise, buyisela noma ugaye iringi yophawu.

(2) Indandatho ethi "O" yezindandatho eziguqukayo nezimile iyaguga futhi ikhubazekile noma ukuqina akufanelekile;Faka esikhundleni indandatho yerabha evalayo.

(3)Tokuqukethwe kwesiqandisi okuwuketshezi emafutheni kuningi;Khulisa izinga lokushisa likawoyela noma isiqandisi sokulahla.

(4)Tingcindezi ye-crankcase ye-piston compressor iphezulu kakhulu;Yehlisa umfutho we-crankcase.

 

20.PI-iston compressor ikhipha ukwehluleka kwemishini yedivayisi nezindlela zokwelapha?

A: (1)Iukucindezela amafutha okwanele;Lungisa umfutho kawoyela ukuze umfutho kawoyela ube ngu-0.12 kuye ku-0.2MPa uphakeme kunomfutho wokumunca.

(2)Tishubhu ivinjiwe;Hlukanisa futhi uhlanze.

(3) Kukhona ukungcola okubhajwe kusilinda samafutha;Hlukanisa futhi uhlanze.

(4) Ukuhlanganiswa okungafanele kwevalvu yokusabalalisa uwoyela, ukuhlanganisa okungalungile kwe-tie rod noma iringi ejikelezayo, indandatho ezungezayo ibhajwe;Hlukanisa futhi ulungise.

 

21.TI-compressor suction superheat (izinga lokushisa lokumunca lingaphezulu kwezinga lokushisa lokuhwamuka) yimbangela enkulu kakhulu kanye nendlela yokwelapha?

A: (1) Isiqandisi esinganele ohlelweni lwesiqandisi;Engeza isiqandisi.

(2)Iisiqandisi esanele ku-evaporator;Vula i-valve ye-throttle futhi ukhulise ukunikezwa kwamanzi.

(3) Ipayipi lokumunca lesistimu yesiqandisi alivalekile kahle;Hlola futhi ulungise.

(4) Amanzi amaningi kakhulu esiqandisini;Hlola okuqukethwe kwamanzi esiqandisini.

(5)TUkuvulwa kwe-valve ye-hrottle kuncane, ukunikezwa okuncane koketshezi;Vula i-valve ye-throttle futhi ukhulise ukunikezwa kwamanzi.

 

22.PI-iston compressor exhaust lokushisa iyimbangela ephezulu nendlela yokwelapha?

A: (1) Izinga lokushisa legesi yokumunca liphezulu kakhulu;Lungisa ukushisa okuphezulu (bheka umbuzo 21).

(2) I-disc valve exhaust iphukile;Vula ikhanda le-cylinder, hlola bese ushintsha i-disc valve exhaust.

(3)Sukuvuza kwe-valve ye-afety;Hlola i-valve yokuphepha, lungisa futhi ulungise.

(4)Pukuvuza kwendandatho ye-iston;Hlola indandatho ye-piston, lungisa ukulungisa.

(5)TI-cylinder liner gasket iphukile futhi iyavuza;Hlola ukumiselela.

(6)TI-head point clearance ye-piston inkulu kakhulu;Hlola futhi ulungise indawo efile ephezulu.

(7) Umthamo onganele wokupholisa wekhava yesilinda;Hlola inani lokushisa kwamanzi namanzi, lungisa.

(8)TI-compressor compression ratio inkulu kakhulu;Hlola ingcindezi yokuhwamuka kanye nengcindezi yokufingqa.

 

23.CI-ompressor suction pressure iyimbangela ephansi kakhulu kanye nendlela yokwelapha?

A: (1) I-throttle ye-liquid supply throttle noma isihlungi sokumunca ivinjiwe (ingcolile noma iqhwa livinjiwe);Hlukanisa, hlola futhi uhlanze.

(2) Isiqandisi esinganele ohlelweni;Engeza isiqandisi.

(3)Iisiqandisi esanele ku-evaporator;Vula i-valve ye-throttle futhi ukhulise ukunikezwa kwamanzi.

(4)Tuwoyela omningi oqandisiwe ohlelweni kanye ne-evaporator;Thola ukuthi uwoyela uqoqa kuphi ohlelweni bese ukhipha uwoyela.

(5)Sumthwalo wokushisa we-mall;Lungisa izinga lamandla e-compressor futhi wehlise ngokufanele.

 

24.Siyunithi yabasebenzi izimbangela zokudlidliza okungavamile nezindlela zokwelashwa?

(1)TIbhawodi lesisekelo leyunithi aliqinisiwe noma lithukululwe;Qinisa amabhawodi okuhanjelwa kuwo.

(2)Ti-compressor shaft kanye ne-motor shaft ayiqondile noma inezikhungo ezahlukene;Yilungise futhi.

(3)Pukudlidliza kwe-ipeline kubangela ukuqina kweyunithi yokudlidliza;Engeza noma shintsha iphuzu lokusekela.

(4)Ti-compressor ihogela amafutha amaningi noma uketshezi oluyifriji;Vala bese uphenduka ukuze ukhiphe uketshezi ku-compressor.

(5)TI-valve ye-spool ayikwazi ukuma endaweni edingekayo, kodwa idlidliza lapho;Hlola i-piston kawoyela, i-valve yezindlela ezine noma umthwalo - i-valve ye-solenoid ekhulayo yokuvuza nokulungisa.

(6)TIdigri ye-vacuum yegumbi lokumunca liphezulu kakhulu;Vula ivalvu yokumisa ukuncela bese uhlola ukuthi isihlungi sokumunca sivimbekile yini.

 

25.SUmthamo wesiqandisi weyunithi yabasebenzi awunele imbangela kanye nendlela yokwelapha?

A: (1)Tisikhundla se-spool valve asifanele noma okunye ukwehluleka (i-valve ye-spool ayikwazi ukuthembela ekugcineni okuhleliwe);Hlola indawo yenkomba noma inzwa yokugudluka eyi-angular kanye ne-valve yokulungisa i-spool.

(2) Isihlungi sokumunca sivinjiwe, ukulahleka kwengcindezi yokumunca kukhulu kakhulu, ingcindezi yokumunca iyehla, ukusebenza kahle kwevolumu kuyehla;Susa isihlungi somoya futhi uhlanze.

(3) Ukuguga okungavamile komshini, okuholela ekuvunyelweni ngokweqile;Hlola, lungisa noma shintsha izingxenye.

(4)TUkulahlekelwa kokumelana nomugqa wokuncela kukhulu kakhulu, ingcindezi yokumunca iphansi kakhulu kunomfutho wokuhwamuka;Hlola i-valve yokumisa ukumunca kanye ne-valve yokuhlola ukumunca, thola izinkinga futhi ulungise.

(5) Ukuvuza phakathi kwezinhlelo zokucindezela okuphezulu nokuphansi;Hlola amavalvu e-bypass yokushayela nawokupaka kanye namavalvu okubuyisela uwoyela ukuze ulungise noma yiziphi izinkinga ezitholakele.

(6)Iumjovo kawoyela owanele, awukwazi ukufeza umphumela wokuvala;Hlola umjikelezo kawoyela, iphampu kawoyela, isihlungi samafutha, thuthukisa umjovo kawoyela.

(7) Ukucindezela kokukhipha kuphakeme kakhulu kunokucindezela kokuncibilika, futhi ukusebenza kahle kwe-volumetric kuncipha;Hlola amapayipi e-exhaust nama-valve ukuze usule ukumelana kwesistimu yokukhipha umoya.Uma isistimu ingena emoyeni kufanele ikhishwe.

 

26.Sithimba labasebenzi ekusebenzeni kwezimbangela zomsindo ongajwayelekile nezindlela zokwelapha?

A: (1) Kukhona ama-sundries emseleni we-rotor;Hlola i-rotor nesihlungi sokumunca.

(2)Tukulimala kwe-hrust;Shintsha ama-thrust bearings.

(3)Mukuguga, i-rotor kanye nokungqubuzana komzimba;Lungisa futhi ubuyisele i-abheri eyinhloko.

(4)Sukuphambuka kwe-valve ye-lide;Lungisa ibhulokhi ye-spool valve guide kanye nekholomu yomhlahlandlela.

(5)Tukuxhuma kwezingxenye ezihambayo kukhululekile;Hlukanisa umshini ukuze ulungiswe futhi uqinise izinyathelo zokuphumula.

 

I-27.Izimbangela kanye nokwelashwa kokushisa okweqile kokukhipha noma ukushisa kwamafutha?

A: (1)Tisilinganiso sokucindezela sikhulu kakhulu;Thola ingcindezi yokudonsa kanye ne-exhaust ukuze unciphise isilinganiso somfutho.

(2) Umphumela wokupholisa we-cooler opholiswe ngamanzi uyancipha;Hlanza isipholile samafutha ukuze wehlise izinga lokushisa lamanzi noma ukhuphule umthamo wamanzi.

(3) Uketshezi olunikezwa i-liquid ammonia oil cooler alwanele;Hlaziya isizathu futhi wandise ukunikezwa koketshezi.

(4)Iukuhogela isitimu esishisa kakhulu;Khulisa ukutholakala koketshezi, qinisa ukuvaleka komugqa wokumunca, futhi uhlole ukuthi ivalve ye-bypass iyavuza yini.

(5)Iumjovo wamafutha owanele;Hlola, hlaziya imbangela, wandise inani lomjovo.

(6) Ukungena komoya ohlelweni;Kufanele ikhishwe, futhi uhlole imbangela yokungena komoya, nokugcinwa.

 

28.(umshini wesikulufa)Eizinga lokushisa lokukhipha umoya noma izinga lokushisa likawoyela lehla izimbangela nezindlela zokwelapha?

A: (1) Ukuhogela umhwamuko omanzi noma isiqandisi esiwuketshezi;Yehlisa inani loketshezi olunikezwa ohlelweni lokuhwamuka.

(2)Cumsebenzi oqhubekayo wokungalayishi;Hlola i-valve ye-spool.

(3)Tumfutho we-exhaust uphansi ngokungavamile;Yehlisa ukuhlinzekwa kwamanzi noma inani le-condenser input.

 

29.(umshini wesikulufa)SIsenzo se-pool valve asiguquki noma ungenzi isizathu kanye nendlela yokwelapha?

A: (1)Findlela yethu yokuhlehlisa i-valve noma isenzo se-solenoid valve asiguquki;Hlola amakhoyili kanye nezintambo zevalvu yokuhlehla enezinhlangothi ezine noma i-solenoid valve.

(2) Amapayipi kawoyela avaliwe;Ukulungisa kabusha.

(3) I-piston kawoyela ebhajwe noma uwoyela ovuzayo;Lungisa i-piston kawoyela noma shintsha iringi yokuvala.

(4)Oingcindezi iphansi kakhulu;Hlola futhi ulungise umfutho kawoyela.

(5)TI-valve ye-spool noma ukhiye womhlahlandlela ubhajwe;Ukulungisa kabusha.

 

30.SUkushisa komzimba kwe-crew compressor kuyimbangela ephezulu kakhulu kanye nendlela yokwelapha?

IMP: (1) Ukuguga okungavamile nokuklebhuka kwezingxenye ezihambayo;Lungisa i-compressor bese ubuyisela izingxenye ezilimele.

(2)Sukushisa okungapheli lapho uhogela;Yehlisa ukushisa okuphezulu kakhulu.

(3)Bukuvuza kwepayipi le-ypass;Hlola ama-valve e-bypass yokuqala neyokupaka ukuze avuze.

(4)Tisilinganiso sokucindezela sikhulu kakhulu;Thola ingcindezi yokudonsa kanye ne-exhaust ukuze unciphise isilinganiso somfutho.

 

31.Izimbangela kanye nokwelashwa kokuvuza kwe-compressor kanye ne-oil pump shaft seal?

IMP: (1) Isigxivizo se-shaft sonakalisiwe ngenxa yokungatholakali kukawoyela okwanele;Lungisa, hlola isifunda samafutha, lungisa umfutho kawoyela.

(2) "O" ukuguqulwa kwendandatho noma ukulimala;Imisele esikhundleni.

(3)Pumhlangano we-oor;Ukubhidliza, ukuhlolwa nokulungiswa.

(4) Ukuxhumana phakathi kwezindandatho ezimile nezimile akuqinile;Susa futhi ugaye kabusha.

(5)Iukungcola emafutheni kugqoka indawo yokuvala, uketshezi olunefriji oluningi emafutheni;Hlola isihlungi samafutha abalulekile ukuze uqinisekise izinga lokushisa lokunikezwa kukawoyela.

 

32.Imbangela kanye nokwelashwa komfutho ophansi kawoyela?

A: (1)Iukulungiswa okungalungile kwe-valve yokulawula ukucindezela kwamafutha;Lungisa i-valve elawula umfutho kawoyela futhi.

(2)Tukuvuza kwamafutha kwangaphakathi kwe-compressor kukhulu;Hlola futhi ulungise.

(3)Tizinga lokushisa lamafutha liphezulu kakhulu;Hlola isibandisi sikawoyela ukuze ukhiphe izici ezithinta umthamo wokudlulisa ukushisa.

(4)Iizinga likawoyela eliphansi kanye nenani likawoyela elinganele;Shintsha bese wengeza amafutha.

(5)Oukugqoka kwepompo noma ukwehluleka;Ukulungisa kabusha.

(6)Camafutha aluhlaza, isihlungi esihle esivimbile esingcolile;Hlanza isici sokuhlunga.

(7)Oil iqukethe isiqandisi esiningi;Vala bese ushisa amafutha.

 

33.CUkusetshenziswa kukaphethiloli kwe-ompressor kwandisa imbangela kanye nendlela yokwelapha?

A: (1)Tukusebenza kahle kokuhlukaniswa kwamafutha kwesihlukanisi samafutha kuncipha;Hlola isihlukanisi samafutha.

(2) Kunamafutha amaningi kakhulu endaweni ehlukanisa uwoyela, futhi izinga likawoyela liphakeme kakhulu;Khipha uwoyela futhi ulawule izinga likawoyela.

(3)Tukushisa kwe-exhaust kuphezulu kakhulu, futhi ukusebenza kahle kwesihlukanisi samafutha kuncipha;Qinisa ukupholisa uwoyela futhi unciphise izinga lokushisa lokukhipha umoya.

(4)Tukucindezela kwamafutha kuphezulu kakhulu, umjovo wamafutha ukhulu kakhulu, ukubuya kwe-compressor liquid;Lungisa umfutho kawoyela noma lungisa i-compressor futhi ubhekane nokubuya koketshezi kwe-compressor.

(5)Tipayipi elibuyisela emuva livaliwe;Ukulungisa kabusha.

 

34.OI-il separator oil surface rise cause kanye nendlela yokwelapha?

A: (1)Tyena amafutha ohlelweni ubuyela compressor;Amafutha amaningi kakhulu akhululwa.

(2)Too ifriji eningi ingena emafutheni efriji;Ukwandisa izinga lokushisa kwamafutha futhi usheshise ukuhwamuka kwesiqandisisi esincibilikisiwe emafutheni.

(3) Ipayipi elibuyayo elihlukanisa uwoyela livaliwe;Ukulungisa kabusha.

(4) Imitha yeleveli yoketshezi yesihlukanisi sikawoyela esime mpo inoketshezi olujiyile oluyisiqandisi;Ngalesi sikhathi ukuphakama kwezinga loketshezi kungase kungabi iqiniso, kufanele kulinganisele ukuphakama kwezinga likawoyela langempela.

 

35.Imbangela kanye nokwelashwa kwe-compressor inversion lapho i-screw compressor ima?

A: (1) Amavalvu okuhlola ukumunca kanye ne-exhaust awavaleki kahle;Lungisa futhi ukhiphe ipuleti le-valve elibhajwe.

(2)Ukuvimbela i-valve yephayiphi ye-bypass ehlehlayo ayivulwa ngesikhathi;Hlola futhi ulungise.

 

36.Kungani izinga lokushisa lokumunca liphansi kakhulu nokuthi ungabhekana kanjani nalo?

A: (1)Ti-oo ifriji eningi ku-evaporator, isihlukanisi se-gas-liquid noma umgqomo wokujikeleza ophansi;Lungisa i-valve ye-liquid supply, misa noma unciphise inani lokunikezwa kwamanzi, futhi ukhiphe isiqandisi esiningi ngokweqile ebhakedeni lokukhipha uketshezi.

(3)Tukusebenza kahle kokudlulisa ukushisa kwe-evaporator kuncishisiwe;Hlanza i-evaporator noma ukhiphe amafutha.

 

37.Libekwe kanjani inani lokuvikela ukuphepha kwempahla yesiqandisi kanye nokuhlolwa kwe-vacuum kohlelo?

A: Rivelu yokuvikela ukuphepha kwezinto ezisetshenziswa efrijini ngokuya ngemanuwali yemiyalelo yomkhiqizo.Amanani okuvikela okuphepha ochungechunge lwe-LG lwe-screw compressor yesiqandisi ami kanje (okuzobhekisela kukho):

(1) Izinga lokushisa lomjovo lokuvikela okuphezulu: 65℃(vala shaqa);

(2) Ukuvikelwa kokucindezela okuphansi kokumunca: -0.03Mpa (shutdown), leli nani lingashintshwa;

(3) Ukuvikelwa kwengcindezi ephezulu yokukhipha umoya: 1.57Mpa (ukuvala shaqa);

(4)OUmehluko wokucindezela kokuhlunga kwe-il ukuvikelwa okuphezulu: 0.1Mpa (vala shaqa);

(5)Oukuvikelwa kwe-verload ye-motor main (inani lokuvikela ngokuya ngezidingo zemoto);

(6) Ukuvikelwa okuphansi phakathi kokucindezela kwamafutha nokucindezela kokukhipha: 0.1Mpa (ukuvala);

(7)Oukuvikelwa kwe-verload yephampu kawoyela (inani lokuvikela ngokuya ngezidingo zenjini);

(8) Isivikelo sokushisa esiphansi sendawo yokupholisa amanzi, iyunithi ye-brine neyunithi ye-ethylene glycol, nokuvikelwa kokunqanyulwa kwamanzi kwe-evaporator ne-condenser.

(9)Ci-odenser, i-liquid reservoir, isihlukanisi sikawoyela, ingcindezi yokuvula ivalvu yokuphepha yomqoqi kawoyela: 1.85Mpa;I-evaporator ye-liquid egcwele, isihlukanisi se-gas-liquid, umgqomo wokugcina uketshezi ojikelezayo ophansi, i-intercooler, ingcindezi yokuvula i-valve yomnotho: 1.25Mpa.

 

Ukuhlolwa kwe-vacuum yesistimu:

Inhloso yokuhlolwa kwe-vacuum yesistimu ukuhlola ukuqina kwesistimu ngaphansi kwe-vacuum futhi ulungiselele ukugcwaliswa kwamafutha efriji kanye nesiqandisi.Pompa isistimu ibe ngu-5.33kpa (40mm Hg) bese ubamba amahora angu-24.Ukwenyuka kwengcindezi akufanele kudlule ku-0.67kpa (5mm Hg).

 

38.Ungahlela kanjani ukulungiswa kwemishini emikhulu, ephakathi nendawo kanye nencane?

A: (1) Umjikelezo wokukhanda izinto ezinkulu, eziphakathi nendawo nezincane uzohlelwa umsebenzisi ngokuya ngezinhlinzeko zemanuwali yokusebenza kwemishini futhi kucutshungulwe indawo yokusebenza komsebenzisi, izimo zokusebenza, isikhathi sonyaka sokushayela, ibhithi yokukhiqiza nokunye. izici.Ukugcinwa ngesikhathi.Okuqukethwe ekulungiseni okukhulu, okuphakathi nendawo nokuncane kwempahla kuyonqunywa ngokuya ngeziyalezo zempahla kanye nokusetshenziswa okuthile kwempahla.

 

39.Ungahlela kanjani ukulungiswa okukhulu, okuphakathi nendawo nokuncane kwe-compressor yesiqandisi se-piston?(ngereferensi)

(1) Iyini inkathi yokulungisa kabusha?

A: (1) Shintsha kabusha njalo ngamahora angu-8,000 noma ngaphezulu.

(2) Kuthini okuqukethwe wukulungiswa kabusha?

A: (2) Hlola futhi uhlanze izingxenye, futhi ulinganise izinga lokuguga lezingxenye: njengesilinda, i-piston, indandatho yepiston, i-crankshaft, i-bearing, induku yokuxhuma, i-valve yokudonsa kanye ne-exhaust, iphampu kawoyela, njll. Ukugqoka okuncane kungaba ukusetshenziswa okusikiwe, ukugqoka okunzima kufanele kushintshwe.Ukuhlolwa kwamavalvu okuphepha kanye nezinsimbi (kufanele kwenziwe yiminyango eqeqeshiwe).Hlanza isihlungi sesistimu kawoyela esiqandisini, isistimu yesiqandisi kanye nohlelo lwamanzi.

(3) Iyini inkathi yokulungisa okuphakathi?

A: (3) Ukulungisa okuphakathi njalo ngamahora angu-3000-4000 noma ngaphezulu.

(4) Kuyini okuqukethwe yisifundo esimaphakathi?

A: (4) Ngaphandle kokulungiswa okuncane, hlola futhi ulinganise imvume phakathi kwesilinda nepiston, imvume phakathi kwesikhiya esiyingidi ye-piston, imvume phakathi kwekhanda losayizi wenduku exhumayo kanye nephini lokukhala, imvume phakathi kwebhere elikhulu ne-axle ububanzi, imvume. phakathi kwe-valve yomoya nepiston, njll. Hlola iphinikhodi ye-piston, isilinda, i-crankshaft nezinye izingxenye zokugqoka iziqu.Hlola uhlelo lokuthambisa.Hlola ukuthi ama-coupling nama-anchor bolt akhululekile yini.

(5) Iyini inkathi yokulungisa okuncane?

Impendulo: (5) Ngemva kokulungiswa okuphakathi, ukulungiswa okuncane kwenziwa njalo ngamahora angu-1000-1200 noma ngaphezulu.

(6) Kuyini okuqukethwe ukulungiswa okuncane?

A: (6) Hlanza iphampu yamanzi okupholisa;Hlola i-piston, indandatho yegesi, indandatho kawoyela kanye ne-valve yokumunca kanye ne-exhaust, buyisela i-disc ye-valve eyonakele kanye nesiphethu se-valve, njll. Hlola usayizi wokuthwala ikhanda lenduku yokuxhuma, i-crankcase yokuhlanza, isihlungi samafutha nesihlungi sokumunca, njll.;Shintsha amafutha efriji;Hlola ukuhlangana kwe-motor kanye ne-crankshaft.

 

40.Ungahlela kanjani ukulungiswa okukhulu, okuphakathi nendawo nokuncane kwe-screw refrigeration compressor?(ngereferensi)

Isikhathi sokugcinwa kweyunithi ye-screw compressor sihlobene nezici eziningi.Imininingwane elandelayo ingeyereferensi.

A: (1) I-motor ye-screw compressor: ukuqaqa, ukugcinwa nokushintshwa, ukuthwala i-refueling, isikhathi seminyaka engu-2, bheka incwadi yeziqondiso zemoto.

(2) ukuhlanganisa: hlola ukubumbana kwe-compressor kanye ne-motor (hlola ukuthi ucezu lokudlulisa olunwebekayo lonakele noma iphinikhodi yerabha igqokile).Ithemu yizinyanga ezi-3-6.

(3) Isihlukanisi samafutha: hlanza ingaphakathi, leli gama liyiminyaka emi-2.

(4) I-oil cooler: susa isikali (ukupholisa amanzi), isikali sikawoyela, isikhathi sesigamu sonyaka;Kungaphansi kwekhwalithi yamanzi kanye nesimo sokungcola.

(5) Iphampu kawoyela: ukuhlolwa kokuvuza nokugcinwa, isikhathi esiwunyaka ongu-1.

(6) Isihlungi samafutha (kuhlanganise nesihlungi sikawoyela ongahluziwe), isihlungi sokumunca: ukuhlanza, isikhathi sesigamu sonyaka.Ukushayela kokuqala amahora angu-100-150 kufanele kuhlanzwe.

(7) i-valve elawula umfutho kawoyela: ukuhlolwa kwamandla okulawula, isikhathi sonyaka ongu-1.

(8) I-Spool valve: ukuhlolwa kwesenzo, isikhathi sezinyanga ezi-3-6.

(9) I-valve yokuphepha, igeji yokucindezela, i-thermometer: hlola, isikhathi sonyaka ongu-1.

(10) Ivalvu yokuhlola, ivalvu yokumunca kanye ne-exhaust cut-off, ivalve yegeji yokucindezela: ukugcinwa, isikhathi seminyaka emi-2.

(11) Ingcindezi edluliselwe, izinga lokushisa edluliselwe: hlola, leli gama cishe isigamu sonyaka.Bheka imiyalelo.

(12) Amathuluzi kagesi: ukuhlolwa kwesenzo, isikhathi esingangezinyanga ezi-3.Bheka imiyalelo.

(13) Ukuvikelwa okuzenzakalelayo kanye nohlelo lokulawula oluzenzakalelayo: leli gama lingaba yizinyanga ezi-3.