Wothandizira firiji ayenera kudziwa bwino: Mapangidwe a Data Center Refrigeration System 40!

https://www.herotechchiller.com/air-cooled-screw-type-chiller.html
  1. Ndi zinthu zitatu ziti zofunika kuti mugwiritse ntchito bwino firiji?

Yankho:

(1) Kuthamanga kwa refrigerant mu dongosolo sikuyenera kukhala kupanikizika kwakukulu, kuti musapewe kuphulika kwa zipangizo.

(2) Sizidzachitika (zingayambitse) sitiroko yonyowa, kuphulika kwamadzimadzi, kugunda kwamadzimadzi ndi zina zolakwika, kuti tipewe kuwonongeka kwa zida.

(3) Zigawo zosuntha sizikhala ndi zolakwika kapena zomangira zotayirira, kuti zisawononge makinawo.

 

2.Kodi kutentha kwa evaporation ndi kotani?

Yankho:

(1) Kutentha kwa refrigerant mu evaporator ikawira ndi kuuma pansi pa kupanikizika kwina kumatchedwa kutentha kwa evaporation.

 

3.Kodi kutentha kwa condensation ndi kotani?

Yankho:

(1) Kutentha kumene firiji ya gasi mu condenser imakhazikika kukhala madzi pansi pa kupanikizika kwina kumatchedwa kutentha kwa condensation.

 

4.Kodi kutentha kozizira (kapena kuzizira kwambiri) ndi kotani?

A: (1) Kutentha komwe firiji yamadzimadzi yokhazikika imakhazikika pansi pa kutentha kwa condensing pansi pa kupanikizika kwa condensing kumatchedwa kutentha kwa recooling (kapena supercooling kutentha).

 

5.Kodi kutentha kwapakati ndi chiyani?

A: (1) Magawo awiri oponderezedwa, kutentha kwa kutentha kwa refrigerant mu intercooler pansi pa kuthamanga kwapakatikati kumatchedwa kutentha kwapakati.

 

6.(momwe mungadziwire, momwe mungayang'anire) kutentha kwa kompresa?

A: (1) Kutentha kwa mpweya wa kompresa kungayesedwe kuchokera ku thermometer kutsogolo kwa valavu yoyamwa ya kompresa.Kutentha koyamwa nthawi zambiri kumakhala kokwera kuposa kutentha kwa evaporation, ndipo kusiyana kwakukulu kumadalira kutalika kwa chitoliro chobwerera ndi momwe chitoliro chimakhalira.Nthawi zambiri, kuyenera kukhala 5-10 kuposa kutentha kwa mpweya.Kusintha kwamadzimadzi kumatha kusintha kutentha kwambiri.

 

7.(momwe mungadziwire) kutentha kwa compressor, (kutentha kwa mpweya kumakhudzidwa ndi zinthu ziti)?

A: (1) Kutentha kwa mpweya wa kompresa kungayesedwe kuchokera ku thermometer pa chitoliro chotulutsa mpweya.Kutentha kwa mpweya kumayenderana ndi chiŵerengero cha kuthamanga ndi kutentha kwa mpweya.Kuchuluka kwa kutentha kwapamwamba ndi kuthamanga kwapamwamba, ndipamwamba kutentha kwa mpweya;Apo ayi, mosiyana.Nthawi zambiri, kuthamanga kwa mpweya kumakhala kokwera pang'ono kuposa kuthamanga kwa condensation.

 

  1. Kodi Galimoto Yonyowa (kuukira kwamadzi) ndi chiyani?

A: (1) Refrigerant madzi kapena nthunzi yonyowa amayamwa mu kompresa ndi kompresa chifukwa kulephera kapena kusakwanira endothermic evaporation mu refrigerant.

 

8.Zimayambitsa chiyani Galimoto yonyowa?

A: (1) The madzi mlingo ulamuliro wa olekanitsa mpweya-zamadzimadzi kapena otsika kuthamanga kufalitsidwa mbiya amalephera, chifukwa mu kopitilira muyeso-mkulu madzi mlingo.

(2) madzi okwanira ndi aakulu kwambiri, madzi amadzimadzi ndi ofunika kwambiri.The throttle valve imatulutsa kapena kutseguka kwambiri.

(3) Evaporator kapena cholekanitsa chamadzimadzi cha gasi (mtsuko wocheperako) chimakhala ndi madzi ochulukirapo, kutentha kumakhala kochepa, ndipo katundu wake amakhala wothamanga kwambiri poyambira.

(4) Kuwonjezeka kwadzidzidzi kwa kutentha kwa katundu;Kapena sanasinthe valavu yoyamwa pambuyo pa chisanu.

 

9.Kodi chingachitike ndi chiyani pambuyo pagalimoto Yonyowa?

A: Kwa makina a pisitoni: (1) firiji imalowa mu kompresa, zomwe zimapangitsa kuti mafuta opaka mafuta azitulutsa thovu zambiri, kuwononga filimu yamafuta pamalo opaka mafuta, ndikupangitsa kuti mafuta azikhala osakhazikika.

(2) Pangani mbali zosuntha kuti ziyende popanda mafuta abwino, zomwe zimatsogolera ku kujambula tsitsi;Pazovuta kwambiri, shaft yogwira, shaft wabbitt alloy imasungunuka.

(3) Firiji imalowa mu kompresa, zomwe zimapangitsa kuti silinda ya silinda ichepetse kwambiri ndikukumbatira pisitoni;Kuwonongeka kwa silinda liner, pisitoni, ndodo yolumikizira ndi piston pazovuta kwambiri.

(4) Chifukwa chakuti madziwo ndi osasunthika, ndodo yolumikizira ndi pisitoni imakhala ndi mphamvu zambiri kuposa mtengo wamtengo wapatali, womwe ndi wosavuta kuwononga;Chifukwa chakuti madziwo ndi osasunthika, valavu yotulutsa mpweya yomwe imayikidwa pamodzi ndi chivundikiro chabodza idzakwezedwa ndi mphamvu yamadzimadzi pamtundu wa galimoto yamadzi;Zowopsa zidzatsogolera kusinthika kwa kasupe wachitetezo, ndipo ngakhale kugwa m'thupi, mutu wa silinda, gasket yosweka ndi kuvulala kwamunthu.

Kwa makina owononga: galimoto yonyowa imayambitsa kugwedezeka, kuonjezera phokoso, rotor ndi kubereka (kupsinjika kwambiri) kuwonongeka;Ma hipsters owopsa amathanso kuwononga zida ndikuyambitsa ngozi.

 

10. Momwe mungathanirane ndi Galimoto yonyowa?

A: (1) Pamene pisitoni kompresa yanyowa, valavu yoyimitsa ya kompresa iyenera kutsitsidwa nthawi yomweyo, ndipo valavu yotulutsa mpweya iyenera kutsekedwa kuti ayimitse madzi.Ngati kutentha kwa mpweya kukucheperachepera, pitirizani kutsitsa kapena kutseka valavu yoyamwa, ndikuyitsitsa mpaka itachepetsedwa kukhala ziro.Gwiritsani ntchito kutentha kwapakati pakati pa crankshaft ndi chitsamba chonyamula kuti musungunuke mufiriji mu crankcase.Pamene kuthamanga mu crankcase kuwuka, ikani gulu la masilindala ntchito, ndiyeno kutsitsa pambuyo kuthamanga amachepetsa.Bwerezani kangapo mpaka refrigerant mu crankcase isungunuke.Pambuyo pake, tsegulani pang'ono valavu yoyamwa ndikuwonjezera pang'onopang'ono katunduyo.Ngati pali madzi a refrigerant pamzere woyamwa, bwerezani zomwe zachitika kale.Mpaka madziwo atatsanulidwa, pang'onopang'ono mutsegule valavu yoyamwa, compressor mu ntchito yachibadwa.Galimoto yamafunde ikachitika, chidwi chiyenera kulipidwa kuti muwone ndikusintha kuthamanga kwamafuta.Ngati palibe mphamvu yamafuta kapena mphamvu yamafuta ndiyotsika kwambiri, makinawo azimitsidwa nthawi yomweyo, ndipo mafuta opaka mafuta ndi refrigerant mu crankcase ayenera kutulutsidwa.Galimoto yonyowa ikafika pa screw compressor, valavu yoyimitsa ya kompresa iyenera kuzimitsidwa nthawi yomweyo, ndipo valavu yotulutsa mpweya iyenera kutsekedwa kuti ayimitse madzi.Ngati kutentha kwa kuyamwa kukupitirirabe kutsika, pitirizani kutsika koma osatseka valavu yoyamwa kuti muteteze phokoso lachilendo ndi kugwedezeka komwe kumadza chifukwa cha kutsika kotsika kwambiri, ndikuchepetsa katunduyo mpaka kuchepetsedwa kukhala ziro.The wononga kompresa si tcheru ndi chonyowa sitiroko, ndipo madzi mu chitoliro chobwerera amatulutsidwa pang'onopang'ono mu kachigawo mafuta.Kenako tsegulani valavu yoyimitsa ndikuwonjezera pang'onopang'ono katunduyo mpaka kompresa itayikidwa mu ntchito yabwinobwino.Pamene mafunde a galimoto akuchitika, chidwi chiyenera kulipidwa kuti muwone ndikusintha kuthamanga kwa mafuta.Kuti kutentha kwamafuta kusakhale kotsika kwambiri, yatsani zida zotenthetsera mafuta kapena tsitsani valavu yamadzi yoziziritsa mafuta.

 

11.Wchipewa chimayambitsa kuthamanga kwa utsi ndikwambiri, momwe mungasankhire?

A: (1) Dongosolo ndi gawo lothamanga kwambiri la gasi losakanizika limapangitsa kuti pakhale kuthamanga kwambiri.Mpweya uyenera kumasulidwa.Mu dongosolo la ammonia, pofuna kuchepetsa kuipitsidwa kwa ammonia kumlengalenga, cholekanitsa mpweya nthawi zambiri chimagwiritsidwa ntchito kutulutsa mpweya wosasunthika m'dongosolo.

Dongosolo laling'ono la fluorine limatha kutulutsidwa mwachindunji kudzera pa valavu yotulutsa mpweya pa condenser.Tsegulani valavu ya mpweya pang'ono kuti mutulutse mpweya.Pamene mpweya wotulutsidwa ndi utsi woyera, kusonyeza kuti freon yambiri imatulutsidwa, valve iyenera kutsekedwa kuti ithetse ntchito yotulutsa mpweya.

(2) Pali makulitsidwe kapena kudzikundikira zinyalala pa madzi mbali ya condenser kutentha kutentha chubu.Chophimba chamadzi kumbali zonse ziwiri za condenser chiyenera kutsegulidwa kuti chiwonedwe ndi kuyeretsedwa (tsukani ndi mfuti yamadzi yothamanga kwambiri, pukutani ndi burashi kapena nsalu, chonde kutsukidwa ndi kampani ya akatswiri).

(3) Kuchulukirachulukira kwamadzimadzi komanso kudzikundikira mafuta mu condenser.Yang'anani ngati valavu yotuluka ndi valavu ya chitoliro cha condenser yatsegulidwa kwathunthu (iyenera kutsegulidwa kwathunthu), ndipo fufuzani ngati mutu wa valve ukugwa ngati kuli kofunikira.Tulutsani kwambiri refrigerant ndi mafuta owunjika mufiriji.

(4) Gasket yolekanitsa ya chivundikiro chakumapeto kwa condenser yawonongeka, zomwe zimapangitsa kuti madzi ozizira aziyenda pang'ono.Chophimba chamadzi kumbali zonse ziwiri za condenser chiyenera kutsegulidwa, dzimbiri la phala logawanitsa lichotsedwe, ndipo mphira wa rabara uyenera kusinthidwa.

(5) Kutentha kolowera ndi kutulutsa kwamadzi ozizira kumaposa zofunikira zamapangidwe.Tsukani zimbudzi za nsanja yamadzi ozizira, fufuzani ngati wogawa madzi akugwa ndikupendekeka, komanso ngati cholowera madzi chatsekedwa ndi zinthu zakunja.

(6) madzi ozizira osakwanira.Kusiyana kwa kutentha kwa madzi ozizira mkati ndi kunja kumaposa zofunikira.Chongani: ngati mpope makina kuvala ndi lalikulu kwambiri;Kaya pali kutsekeka kwa thupi lachilendo mu mpope;Vavu yamadzi, valavu yoyang'ana, skrini ya fyuluta ndi yachilendo;Kaya mutu wa mpope umakwaniritsa zofunikira;Kaya njira ya chitoliro cha madzi ndi zofotokozera ndizomveka.

 

13. Tiye kompresa sangathe kuyambitsa chifukwa ndi mankhwala njira?

A: (1) Kulephera kwa magetsi;Yang'anani ndi kukonza.

(2) kulephera kwa kuthamanga kwa relay kapena kuthamanga kwa mafuta;Yang'anani ndikusintha kulumikizidwa kolumikizana kwa kuthamanga kwa relay ndi relay yamafuta.

(3) kuthamanga kwa crankcase kapena kuthamanga kwapakatikati ndikokwera kwambiri;Konzani disiki ya valve yotulutsa mpweya kapena kuchepetsa crankcase ndi kuthamanga kwapakati.

(4) (makina a pistoni) kulephera kwa makina otsitsa;Yang'anani ndi kukonza.

14.TKodi silinda yamakina a pistoni mkati mwa kugogoda chifukwa chomveka komanso njira yochizira?

A: (1) Pothamanga, pisitoni imagunda valavu yotulutsa mpweya;Tsegulani mutu wa silinda waphokoso kuti muwonjezere chilolezo pakati pa pisitoni ndi mpando wamkati

(2) Bawuti ya valavu ya mpweya ndi yotayirira;Mangitsani mabawuti a valve.

(3) Diski ya valve imathyoka ndikugwera mu silinda, ndipo chilolezo pakati pa mutu waung'ono wa pistoni ndi ndodo yolumikizira ndi yayikulu kwambiri, ndipo chilolezo pakati pa pisitoni ndi silinda ndi yayikulu kwambiri;Yang'anani, sinthani ndi kukonza pambuyo pochotsa silinda.

(4) Chivundikiro chabodza kasupe ndi wopunduka ndipo zotanuka mphamvu sikokwanira;Pad kuti muwonjezere mphamvu yamasika kapena kusintha.

(5) Refrigerant madzi amalowa mu silinda ndi kuyambitsa madzi kugunda;Tembenuzani valavu yoyamwa pansi, valavu yotsekemera yamadzimadzi pansi kapena pafupi kwakanthawi kuti muchotse madziwo.

 

15.Tiye piston crankcase mkati kugogoda chifukwa chomveka ndi njira mankhwala?

A: (1) kusiyana pakati pa ndodo yolumikizira mutu waukulu wonyamula chitsamba ndi pini yopingasa ndi yayikulu kwambiri;Yang'anani ndikusintha chilolezo chake kapena musinthe.

(2) Chilolezo pakati pa khosi la spindle ndi chotengera chachikulu ndi chachikulu kwambiri;Onani kusintha chilolezo.

(3) ntchentche imamasuka ndi shaft kapena kiyi;Yang'anani ndikusintha chilolezo ndi kukonza.

(4) Pini ya cotter ya bawuti ya ndodo yolumikizira yathyoka ndipo mtedza wa ndodo ndi womasuka;Mangitsani nati wolumikiza ndodo ndi loko ndi pini ya cotter.

 

16.Piston compressor itangoyamba chifukwa chopanda mafuta komanso njira zochizira?

A: (1)Tiye kufala mbali za mpope mafuta kulephera;Gwirani ndikukonza.

(2) Kulowetsa mafuta kwa pampu yamafuta kwatsekeka;Yang'anani kuchotsa zinyalala.

(3)Oil kuthamanga gauge kulephera;Bwezeraninso choyezera kuthamanga kwa mafuta.

(4)Oil fyuluta ndi shaft chisindikizo popanda mafuta;Musanayendetse, mafuta amayenera kuwonjezeredwa ku fyuluta yabwino yamafuta ndi shaft seal kuti musamayamwe kanthu poyendetsa.

 

17.PKuthamanga kwa mafuta a iston compressor ndikotsika kwambiri chifukwa ndi njira yochiritsira?

A: (1)Tiye mafuta fyuluta watsekedwa;Chotsani ndi kuyeretsa.

(2)Oil kuthamanga kuwongolera kulephera kwa valve;Konzani kapena kusintha.

(3) Chilolezo pakati pa giya pampu yamafuta ndi chivundikiro cha mpope ndichokulirapo komanso chatha;Konzani kapena kusintha.

(4)Cmlingo wa mafuta otsika kwambiri;Onjezani mafuta kapena bweretsani mafuta kuchokera ku mafuta.

(5) Kuvala kwakukulu kwa mayendedwe m'mbali zonse kumayambitsa chilolezo chochulukirapo kapena kutayikira kwamafuta munjira zina zamafuta;Yang'anani ndi kukonza.

 

18.PIston compressor kugwiritsa ntchito mafuta kumawonjezera zomwe zimayambitsa ndi njira yochizira?

A: (1) Madzi a m’firiji amalowa m’bokosi;Tsekani kapena kutseka kwakanthawi koyimitsa valavu ndi valavu yotulutsa mpweya (onani njira yothanirana ndi galimoto yamafunde).

(2)Tmphete yosindikizira, mphete yopaka mafuta kapena silinda yavala kwambiri kapena loko ya mphete ya pistoni ili pamzere;Yang'anani, sinthani, ndikusintha zigawo zomwe zidatha ngati kuli kofunikira.

(3)Tmafuta a crankcase ndi okwera kwambiri kapena kutentha kwa mpweya ndikokwera kwambiri;Tulutsani mafuta ena opaka kapena chitanipo kanthu kuti muchepetse kutentha kwa mpweya.

 

19.Kodi chomwe chimayambitsa kutayikira kwamafuta kapena kutulutsa mpweya kwa shaft seal ndi chiyani komanso momwe mungathanirane nazo?

A: (1)Smsonkhano wa haft chisindikizo ndi woyipa kapena shaft yosindikiza pamwamba tsitsi kukoka;Yang'anani ndikusintha, sinthani kapena perani mphete yosindikizira.

(2) Mphete ya "O" ya mphete zosunthika komanso zosasunthika ndizokalamba komanso zopunduka kapena kulimba kwake sikoyenera;Bwezerani mphete ya rabara yosindikiza.

(3)Tiye madzi refrigerant zili mu mafuta zambiri;Onjezani kutentha kwa mafuta kapena kutulutsa firiji.

(4)TKuthamanga kwa crankcase kwa piston compressor ndikokwera kwambiri;Chepetsani kuthamanga kwa crankcase.

 

20.Piston kompresa kutsitsa makina a chipangizo kulephera ndi njira zochizira?

A: (1)Ikuthamanga kwamafuta okwanira;Sinthani kuthamanga kwamafuta kuti kuthamanga kwamafuta kukhale 0.12 mpaka 0.2MPa kuposa kuthamanga kwamphamvu.

(2)Tiye chubu watsekedwa;Gwirani ndi kuyeretsa.

(3) Mu silinda yamafuta muli dothi;Gwirani ndi kuyeretsa.

(4) Msonkhano wolakwika wa valve yogawa mafuta, msonkhano wolakwika wa ndodo kapena mphete yozungulira, mphete yozungulira yokhazikika;Gwirani ndikukonza.

 

21.Tiye kompresa suction superheat (kuyamwa kutentha ndi apamwamba kuposa nthunzi kutentha) ndi chifukwa chachikulu kwambiri ndi mankhwala njira?

A: (1) Refrigerant yosakwanira mufiriji;Onjezerani refrigerant.

(2)Irefrigerant yokwanira mu evaporator;Tsegulani valavu ya throttle ndikuwonjezera madzi okwanira.

(3) Chitoliro choyamwa cha firiji sichimatsekedwa bwino;Yang'anani ndi kukonza.

(4) Madzi ochuluka mufiriji;Yang'anani madzi omwe ali mufiriji.

(5)TKutsegula valavu ya hrottle ndi yaing'ono, yaing'ono yamadzimadzi;Tsegulani valavu ya throttle ndikuwonjezera madzi okwanira.

 

22.PIston compressor kutentha kutentha ndi chifukwa chachikulu komanso njira yothandizira?

A: (1) Kutentha kwa mpweya woyamwa ndikokwera kwambiri;Sinthani kutentha kwamphamvu kwambiri (onani funso 21).

(2) Chimbale cha valve yotulutsa mpweya chasweka;Tsegulani mutu wa silinda, fufuzani ndikusintha chimbale cha valve yotulutsa.

(3)Skuchepa kwa valve;Yang'anani valavu yachitetezo, sinthani ndikukonza.

(4)Pkutayikira kwa mphete ya iston;Onani mphete ya pistoni, sinthani kukonza.

(5)Tiye yamphamvu liner gasket wathyoka ndi kutayikira;Yang'anani m'malo.

(6)Tchilolezo cha pisitoni ndi chachikulu kwambiri;Yang'anani ndikusintha malo akufa pamwamba.

(7) Kusakwanira kuzirala kwa chivundikiro cha silinda;Onani kuchuluka kwa kutentha kwa madzi ndi madzi, sinthani.

(8)Tiye compressor psinjika chiŵerengero ndi chachikulu kwambiri;Onani kuthamanga kwa evaporation ndi kuthamanga kwa condensation.

 

23.CKuthamanga kwa ompressor ndikotsika kwambiri komanso njira yothandizira?

A: (1) The madzi kotunga throttle kapena kuyamwa fyuluta watsekedwa (zauve kapena ayezi oletsedwa);Phatikizani, fufuzani ndi kuyeretsa.

(2) Refrigerant yosakwanira m'dongosolo;Onjezerani refrigerant.

(3)Irefrigerant yokwanira mu evaporator;Tsegulani valavu ya throttle ndikuwonjezera madzi okwanira.

(4)Too mafuta oundana ambiri mu dongosolo ndi evaporator;Pezani komwe mafuta amaunjikana mu dongosolo ndikutulutsa mafuta.

(5)Skuchuluka kwa kutentha kwa mall;Sinthani mphamvu ya kompresa ndikutsitsa moyenera.

 

24.SOgwira ntchito kugwedezeka kwachilendo zimayambitsa ndi njira zochizira?

(1)Tiye maziko bawuti wa unit si olimba kapena anamasuka;Mangitsani mabawuti a nangula.

(2)Tiye kompresa shaft ndi shaft motor ndi molakwika kapena ndi malo osiyana;Zikonzeninso.

(3)Pkugwedezeka kwa ipeline kumayambitsa kugwedezeka kwa unit;Onjezani kapena sinthani mfundo yothandizira.

(4)Tcompressor amakoka mafuta ochulukirapo kapena madzi a refrigerant;Tsekani ndi kutembenuza kuti mukhetse madzi kuchokera ku kompresa.

(5)Tiye spool valavu sangathe kuyima pa udindo chofunika, koma kunjenjemera pamenepo;Yang'anani pisitoni yamafuta, valavu yanjira zinayi kapena katundu - valavu yowonjezera ya solenoid kuti itayike ndi kukonza.

(6)Tdigiri ya vacuum ya chipinda choyamwa ndiyokwera kwambiri;Tsegulani valavu yoyimitsa ndikuyang'ana ngati fyuluta yoyamwa yatsekedwa.

 

25.SKuchuluka kwa firiji kwa ogwira ntchito sikukwanira chifukwa ndi njira yochizira?

A: (1)Tiye malo a valavu ya spool si yoyenera kapena zolephera zina (valavu ya spool sangathe kudalira mapeto okhazikika);Yang'anani malo a chizindikiro kapena sensa yosuntha ya angular ndikukonza valavu ya spool.

(2) Zosefera zoyamwa zatsekedwa, kutayika kwamphamvu kwamphamvu ndikokulirapo, kutsika kwamphamvu kumatsika, kuchuluka kwamphamvu kumachepa;Chotsani fyuluta ya mpweya ndikuyeretsa.

(3) Kuvala kwachilendo kwa makina, kumabweretsa chilolezo chochuluka;Onani, sinthani kapena kusintha magawo.

(4)Tkutayika kwa mzere wokokera ndi waukulu kwambiri, kukakamiza koyamwa ndikotsika kwambiri kuposa kuthamanga kwa evaporation;Yang'anani valavu yoyimitsa ndi valavu yoyamwa, pezani zovuta ndikukonza.

(5) Kutaya pakati pa machitidwe apamwamba ndi otsika kwambiri;Yang'anani ma valve oyendetsa ndi kuyimitsa magalimoto ndi ma valve obwezeretsa mafuta kuti mukonze zovuta zilizonse zomwe zapezeka.

(6)Ijekeseni wokwanira wamafuta, sangathe kukwaniritsa kusindikiza;Yang'anani kuzungulira kwamafuta, pampu yamafuta, fyuluta yamafuta, sinthani jakisoni wamafuta.

(7) Kuthamanga kwa mpweya kumakhala kokwera kwambiri kuposa kupanikizika kwa condensing, ndipo mphamvu ya volumetric imachepa;Yang'anani mapaipi otulutsa ndi mavavu kuti muchotse kukana kwa dongosolo lotulutsa mpweya.Ngati dongosolo limalowa mumlengalenga liyenera kutulutsidwa.

 

26.Sgulu la ogwira ntchito pazifukwa zosamveka bwino komanso njira zochizira?

A: (1) Pali mitundu ingapo munjira ya rotor;Onani rotor ndi fyuluta yoyamwa.

(2)Tkuwonongeka kwa khungu;Bwezerani ma thrust bearings.

(3)Main kunyamula kuvala, rotor ndi kukangana thupi;Sinthani ndikusintha gawo lalikulu.

(4)Skusokonezeka kwa valve;Konzani chipika chowongolera valavu ya spool ndi gawo lowongolera.

(5)Tiye kugwirizana kwa ziwalo zosuntha ndi lotayirira;Phatikizani makina kuti mukonze ndikulimbitsa njira zopumula.

 

27.Zoyambitsa ndi chithandizo cha kutentha kwakukulu kwa kutentha kapena kutentha kwa mafuta?

A: (1)Tpsinjika chiŵerengero chake ndi chachikulu kwambiri;Dziwani kuti kuyamwa ndi kutulutsa mpweya kuti muchepetse kuchuluka kwa kuthamanga.

(2) Kuziziritsa kwa mafuta ozizira oziziritsa madzi kumachepa;Tsukani chozizirira mafuta kuti muchepetse kutentha kwa madzi kapena kuwonjezera kuchuluka kwa madzi.

(3) Madzi amadzimadzi amadzimadzi ammonia mafuta ozizira sakwanira;Unikani chifukwa chake ndikuwonjezera kuchuluka kwamadzimadzi.

(4)Ikupuma kwa nthunzi yotentha kwambiri;Wonjezerani madzi okwanira, limbitsani kutsekereza kwa chingwe choyamwa, ndikuwona ngati valavu yodutsa ikutha.

(5)Ijekeseni wokwanira wamafuta;Yang'anani, fufuzani chifukwa chake, onjezerani kuchuluka kwa jekeseni.

(6) Kulowetsa mpweya mu dongosolo;Ayenera kutulutsidwa, ndipo fufuzani chifukwa cha mpweya kulowa, kukonza.

 

28 (makina)Ekutentha kwa mpweya kapena kutentha kwa mafuta kutsika zimayambitsa ndi njira zothandizira?

A: (1) Kukoka mpweya wonyowa kapena mufiriji wamadzimadzi;Chepetsani kuchuluka kwa madzi omwe amaperekedwa ku dongosolo la evaporation.

(2)Cntchito mosalekeza osanyamula katundu;Onani valavu ya spool.

(3)Tkupanikizika kwa utoto kumachepa kwambiri;Chepetsani kuchuluka kwa madzi kapena kuchuluka kwa condenser.

 

29. (makina opangira zida)Sntchito valavu dziwe si kusintha kapena osachita chifukwa ndi njira mankhwala?

A: (1)Fnjira yathu yosinthira valavu kapena valavu ya solenoid sikusintha;Yang'anani zozungulira ndi mawaya a valavu yobwerera m'njira zinayi kapena valavu ya solenoid.

(2) Dongosolo la mapaipi amafuta atsekeredwa;Kukonzanso.

(3) pisitoni yamafuta yokakamira kapena mafuta akuchucha;Konzani pisitoni yamafuta kapena sinthani mphete yosindikizira.

(4)OKuthamanga kwa il ndikotsika kwambiri;Yang'anani ndikusintha kuthamanga kwa mafuta.

(5)Tvalavu ya spool kapena kiyi yowongolera yakhazikika;Kukonzanso.

 

30.SKutentha kwa thupi kwa crew compressor ndikokwera kwambiri chifukwa ndi njira yochizira?

Yankho: (1) Kuwonongeka kwachilendo ndi kung’ambika kwa ziwalo zoyenda;Konzani kompresa ndikusintha zida zowonongeka.

(2)Skutenthedwa kosalekeza pokoka mpweya;Chepetsani kutentha kwambiri.

(3)Bypass kutayikira kwa payipi;Yang'anani mavavu oyambira ndi kuyimitsa magalimoto kuti muwone ngati akutha.

(4)Tpsinjika chiŵerengero chake ndi chachikulu kwambiri;Dziwani kuti kuyamwa ndi kutulutsa mpweya kuti muchepetse kuchuluka kwa kuthamanga.

 

31.Zoyambitsa ndi chithandizo cha kompresa ndi mafuta mpope shaft chisindikizo kutayikira?

A: (1) Chisindikizo cha shaft chimawonongeka chifukwa cha kuchepa kwa mafuta;Konzani, fufuzani kuzungulira kwa mafuta, sinthani kuthamanga kwamafuta.

(2) "O" mphete mapindikidwe kapena kuwonongeka;M'malo mwake.

(3)Pmsonkhano wa oor;Kugwetsa, kuyendera ndi kukonza.

(4) Kulumikizana pakati pa static ndi static mphete sikuli kolimba;Chotsani ndi kuperanso.

(5)Izonyansa mu mafuta kuvala kusindikiza pamwamba, kwambiri refrigerant madzi mu mafuta;Yang'anani fyuluta yamafuta ofunikira kuti muwonetsetse kutentha kwamafuta.

 

32.The chifukwa ndi mankhwala otsika mafuta kuthamanga?

A: (1)Ikusintha kolakwika kwa valve yowongolera kuthamanga kwamafuta;Sinthani valavu yowongolera kuthamanga kwamafuta kachiwiri.

(2)Tiye mkati mafuta kutayikira wa kompresa ndi lalikulu;Yang'anani ndi kukonza.

(3)Tkutentha kwake kwa mafuta ndikokwera kwambiri;Yang'anani chozizira chamafuta kuti musaphatikizepo zinthu zomwe zimakhudza mphamvu yotumizira kutentha.

(4)Imafuta otsika komanso kuchuluka kwamafuta osakwanira;Sinthani ndi kuwonjezera mafuta.

(5)Ol kupopera kuvala kapena kulephera;Kukonzanso.

(6)Cmafuta onunkhira bwino, zosefera zonyansa zotsekereza;Yeretsani zosefera.

(7)Oine imakhala ndi refrigerant yambiri;Chotsani ndikuwotcha mafuta.

 

33.CKugwiritsa ntchito mafuta kwa ompressor kumawonjezera zomwe zimayambitsa komanso njira yochizira?

A: (1)Tiye mafuta kulekana dzuwa la olekanitsa mafuta amachepetsa;Yang'anani cholekanitsa mafuta.

(2) M’cholekanitsa mafuta muli mafuta ambiri, ndipo mafutawo ndi okwera kwambiri;Chotsani mafuta ndikuwongolera mlingo wa mafuta.

(3)Tkutentha kwa mpweya ndikokwera kwambiri, ndipo mphamvu ya cholekanitsa mafuta imachepa;Limbitsani kuziziritsa kwa mafuta ndikuchepetsa kutentha kwa utsi.

(4)Tiye mafuta kuthamanga kwambiri, jekeseni mafuta kwambiri, kompresa madzi kubwerera;Sinthani kuthamanga kwamafuta kapena konzani kompresa ndikuthana ndi kubweza kwamadzimadzi kwa kompresa.

(5)Tpayipi yobwerera yatsekedwa;Kukonzanso.

 

34.Oil olekanitsa mafuta pamwamba kukwera chifukwa ndi njira mankhwala?

A: (1)Tiye mafuta mu dongosolo amabwerera kompresa;Mafuta ochuluka amatulutsidwa.

(2)Too kwambiri refrigerant kulowa refrigerant mafuta;Wonjezerani kutentha kwa mafuta ndi kufulumizitsa evaporation wa refrigerant kusungunuka mu mafuta.

(3) Paipi yobwezera yolekanitsa mafuta yatsekedwa;Kukonzanso.

(4) The madzi mlingo mita wa ofukula mafuta olekanitsa ali condensed refrigerant madzi;Pa nthawi imeneyi madzi mlingo kutalika sangakhale woona, ayenera kuyerekezera leni mafuta mlingo kutalika.

 

35.Choyambitsa ndi chithandizo cha kutembenuka kwa kompresa pamene wononga kompresa kuyima?

A: (1) Ma valve oyendera ndi kutulutsa mpweya samatsekedwa mwamphamvu;Konzani ndi kuchotsa mbale ya valve yomwe yakamira.

(2)Pofuna kupewa valavu yapaipi yapaipi yosinthira sitsegulidwa mu nthawi;Yang'anani ndi kukonza.

 

36.Nchifukwa chiyani kutentha koyamwa kumakhala kochepa kwambiri komanso momwe mungathanirane nazo?

A: (1)Too kwambiri refrigerant mu evaporator, mpweya wamadzi olekanitsa kapena otsika kuthamanga kufalitsidwa mbiya;Sinthani valavu yamadzimadzi, kuyimitsa kapena kuchepetsa kuchuluka kwa madzi, komanso kutulutsa refrigerant kwambiri ku chidebe chotulutsa madzi.

(3)Tiye evaporator kutentha kutengerapo Mwachangu yafupika;Sambani evaporator kapena kukhetsa mafuta.

 

37.Kodi chitetezo cha chitetezo cha zida za firiji ndi kuyesa kwa vacuum kwa dongosolo ndi kotani?

A: REfrigeration zida chitetezo chitetezo mtengo malinga ndi mankhwala malangizo Buku.Miyezo yachitetezo cha LG Series screw firiji kompresa ndi motere (ponena):

(1) jakisoni kutentha kwambiri chitetezo: 65(Tsekani);

(2) Chitetezo chochepa choyamwa: -0.03Mpa (shutdown), mtengo uwu ukhoza kusinthidwa;

(3) Chitetezo champhamvu chotulutsa mpweya: 1.57Mpa (kutseka);

(4)Oil fyuluta kuthamanga kusiyanitsa chitetezo chachikulu: 0.1Mpa (kutseka);

(5)Overload chitetezo cha galimoto yaikulu (mtengo chitetezo malinga ndi zofunika galimoto);

(6) Chitetezo chochepa pakati pa kuthamanga kwa mafuta ndi kuthamanga kwa mpweya: 0.1Mpa (kutseka);

(7)Overload chitetezo cha mpope mafuta (mtengo chitetezo malinga ndi zofunika galimoto);

(8) Chitetezo chotsika cha kutentha kwa madzi ozizira, brine unit ndi ethylene glycol unit, ndi chitetezo cha madzi odulidwa a evaporator ndi condenser.

(9)Codenser, posungira madzi, olekanitsa mafuta, mafuta osonkhanitsa chitetezo valavu kutsegula kuthamanga: 1.85Mpa;Evaporator yonse yamadzimadzi, cholekanitsa chamadzimadzi cha gasi, mbiya yosungiramo madzi otsika, intercooler, kuthamanga kwa valve yotsegula: 1.25Mpa.

 

Mayeso a Vacuum System:

Cholinga cha kuyesa kwa vacuum kwa dongosolo ndikuyang'ana kulimba kwa dongosolo pansi pa vacuum ndikukonzekera kudzazidwa kwa refrigerant ndi refrigerant mafuta.Pompani makina mpaka 5.33kpa (40mm Hg) ndikugwira kwa 24h.Kuthamanga kwapakati sikuyenera kupitirira 0.67kpa (5mm Hg).

 

38.Momwe mungakonzekere kukonza zida zazikulu, zapakati komanso zazing'ono?

A: (1) Kuzungulira kwa zida zazikulu, zapakati ndi zazing'ono zidzakonzedwa ndi wogwiritsa ntchito molingana ndi zomwe zili m'buku la zida zogwirira ntchito ndikuganizira momwe amagwirira ntchito, momwe amagwirira ntchito, nthawi yoyendetsa pachaka, kugunda kwazinthu ndi zina. makhalidwe.Kukonza nthawi yake.Zomwe zili mkati mwazokonza zazikulu, zapakati ndi zazing'ono za zidazo zidzatsimikiziridwa molingana ndi malangizo a zipangizo ndi ntchito yeniyeni ya zipangizo.

 

39.Kodi mungakonze bwanji kukonza kwakukulu, kwapakatikati ndi kakang'ono ka piston firiji kompresa?(zofotokozera)

(1) Kodi nthawi yokonzanso ndi yotani?

Yankho: (1) Sinthani maola 8,000 aliwonse kapena kupitirira apo.

(2) Kodi kukonzansoko kuli ndi chiyani?

A: (2) Yang'anani ndi kuyeretsa zigawozo, ndikuyesa kuchuluka kwa zigawozo: monga silinda, pisitoni, mphete ya pistoni, crankshaft, kunyamula, ndodo yolumikizira, valavu yoyamwa ndi yotulutsa mpweya, pampu yamafuta, etc. Kuvala pang'ono kungakhale anakonza ntchito, kuvala katundu ayenera m'malo.Kuwunika kwa ma valve ndi zida zotetezera (ziyenera kuchitidwa ndi madipatimenti oyenerera).Yeretsani fyuluta yamafuta a refrigerant, refrigerant system ndi madzi.

(3) Kodi nthawi ya kukonzanso kwapakati ndi iti?

A: (3) Kukonza kwapakatikati pa maola 3000-4000 kapena apo.

(4) Kodi maphunziro apakati ndi otani?

A: (4) Kupatula kukonza zazing'ono, fufuzani ndikuwongolera chilolezo pakati pa silinda ndi pisitoni, chilolezo pakati pa loko ya mphete ya pisitoni, chilolezo pakati pa kulumikiza mutu wa ndodo ndi pini ya crank, chilolezo pakati pa chigawo chachikulu ndi mainchesi akulu, chilolezo. pakati valavu mpweya ndi pisitoni, etc. Chongani piston pini, silinda, crankshaft ndi mbali zina kuvala digiri.Yang'anani dongosolo lopaka mafuta.Onani ngati zolumikizira ndi nangula zamasuka.

(5) Kodi nthawi yokonza zazing'ono ndi iti?

Yankho: (5) Pambuyo kukonza sing'anga, kukonza pang'ono kumachitika maola 1000-1200 aliwonse kapena apo.

(6) Kodi zokonza zazing'ono zimakhala zotani?

A: (6) Yeretsani mpope wa madzi ozizira;Yang'anani pisitoni, mphete ya gasi, mphete ya mafuta ndi valavu yoyamwa ndi yotulutsa mpweya, m'malo mwa valavu yowonongeka ndi kasupe wa valve, ndi zina zotero.Kusintha mafuta a friji;Yang'anani coaxiality ya injini ndi crankshaft.

 

40.Kodi mungakonze bwanji kukonza kwakukulu, kwapakatikati ndi kakang'ono ka wononga firiji kompresa?(zofotokozera)

Nthawi yokonza screw compressor unit imagwirizana ndi zinthu zambiri.Zomwe zili m'munsizi ndizofotokozera.

A: (1) The motor of screw kompresa: disassembly, kukonza ndi m'malo, kubala refueling, nthawi ya zaka 2, onani buku la malangizo agalimoto.

(2) kugwirizana: yang'anani coaxiality wa kompresa ndi galimoto (onani ngati zotanuka kufala chidutswa chawonongeka kapena pini labala wavala).Nthawiyi ndi miyezi 3-6.

(3) Olekanitsa mafuta: kuyeretsa mkati, mawuwo ndi zaka 2.

(4) Mafuta ozizira: chotsani sikelo (kuzizira kwamadzi), sikelo yamafuta, nthawi ya theka la chaka;Kutengera mtundu wa madzi komanso chikhalidwe cha litsiro.

(5) Pampu yamafuta: kuyezetsa kutayikira ndi kukonza, nthawi ya 1 chaka.

(6) Fyuluta yamafuta (kuphatikiza zosefera zamafuta osakanizika), zosefera zoyamwa: kuyeretsa, nthawi ya theka la chaka.Kuyendetsa koyamba kwa maola 100-150 kuyenera kutsukidwa.

(7) valavu yoyendetsera mafuta: kuyang'anira mphamvu, nthawi ya 1 chaka.

(8) Valavu ya Spool: kuyang'anira zochita, nthawi ya miyezi 3-6.

(9) Vavu yachitetezo, choyezera kuthamanga, thermometer: cheke, nthawi ya 1 chaka.

(10) Vavu yowunikira, valavu yoyamwa ndi kutulutsa mpweya, valavu yoyezera kuthamanga: kukonza, nthawi ya zaka 2.

(11) Pressure relay, relay kutentha: cheke, mawuwa ndi pafupifupi theka la chaka.Onani malangizo.

(12) Zida zamagetsi: kuyang'anira zochita, nthawi ya miyezi itatu.Onani malangizo.

(13) Chitetezo chodziwikiratu ndi dongosolo lowongolera: mawuwa ndi pafupifupi miyezi itatu.


Nthawi yotumiza: Nov-29-2022
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