Pambuyo pa mafunso ndi mayankho 30 awa, kumvetsetsa kwanu za mpweya woponderezedwa kumatengedwa ngati chiphaso. (16-30)

16. Kodi mame amphamvu ndi chiyani?

Yankho: mpweya wonyowa ukakanikizidwa, kuchuluka kwa nthunzi yamadzi kumawonjezeka ndipo kutentha kumakweranso.Pamene wothinikizidwa mpweya utakhazikika, chinyezi wachibale adzawonjezeka.Kutentha kumapitilira kutsika mpaka 100% chinyezi, madontho amadzi amatuluka kuchokera mumpweya woponderezedwa.Kutentha panthawiyi ndi "pressure point" ya mpweya woponderezedwa.

17. Kodi pali kugwirizana kotani pakati pa mame amphamvu ndi mame amphamvu?

Yankho: Chiyanjano chofananira pakati pa mame opanikizika ndi mame omwe ali ndi mphamvu yanthawi zonse zimagwirizana ndi chiŵerengero cha kuponderezana.Pansi yemweyo kuthamanga mame mfundo, lalikulu psinjika chiŵerengero, m'munsi lolingana yachibadwa kuthamanga mfundo mame.Mwachitsanzo: pamene mame oponderezedwa mpweya kuthamanga kwa 0.7MPa ndi 2°C, ndi wofanana -23°C pa kuthamanga wamba.Kupanikizika kumawonjezeka kufika pa 1.0MPa, ndipo mphamvu yofanana ndi mame ndi 2 ° C, mame oyenerera amatsika mpaka -28 ° C.

18. Kodi ndi chida chotani chomwe chimagwiritsidwa ntchito kuyeza mame a mpweya wopanikiza?

Yankho: Ngakhale kuti mphamvu ya mame ndi Celsius (°C), tanthauzo lake ndi kuchuluka kwa madzi mumpweya woponderezedwa.Choncho, kuyeza mame ndiko kuyesa chinyezi cha mpweya.Pali zida zambiri zoyezera mame a mpweya wothinikizidwa, monga "galasi mame chida" ndi asafe, etere, etc. monga ozizira gwero, "electrolytic hygrometer" ndi phosphorous pentoxide, lithiamu kolorayidi, etc. monga electrolyte, etc. Pakalipano, mamita apadera a mpweya wa gasi amagwiritsidwa ntchito kwambiri m'makampani kuti ayese mame a mpweya woponderezedwa, monga British SHAW dew point mita, yomwe imatha kufika -80 ° C.

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19. Kodi tiyenera kulabadira chiyani poyezera mame a mpweya woponderezedwa ndi mita ya mame?

Yankho: Gwiritsani ntchito mita ya mame kuti muyese mame a mpweya, makamaka pamene madzi a mpweya woyezedwa ali otsika kwambiri, ntchitoyo iyenera kukhala yosamala komanso yodekha.Zida zochitira zitsanzo za gasi ndi mapaipi olumikizira ziyenera kukhala zouma (zouma kuposa momwe gasi woyezera), kulumikizana kwa mapaipi kuyenera kusindikizidwa kwathunthu, kuchuluka kwa gasi kuyenera kusankhidwa molingana ndi malamulo, ndipo nthawi yayitali yokonzekera ikufunika.Ngati mutasamala, padzakhala zolakwika zazikulu.Zochita zatsimikizira kuti pamene "analyzer chinyezi" pogwiritsa ntchito phosphorous pentoxide monga electrolyte amagwiritsidwa ntchito poyeza kuthamanga kwa mame a mpweya woponderezedwa ndi chowumitsira ozizira, cholakwikacho ndi chachikulu kwambiri.Izi zimachitika chifukwa cha electrolysis yachiwiri yopangidwa ndi mpweya woponderezedwa panthawi ya mayesero, zomwe zimapangitsa kuti kuwerenga kukhale kwakukulu kuposa momwe kulili.Choncho, chida chamtunduwu sichiyenera kugwiritsidwa ntchito poyeza mame a mpweya woponderezedwa ndi chowumitsira mufiriji.

20. Kodi mphamvu ya mame a mpweya wopanikiza iyenera kuyezedwa kuti mu chowumitsira?

Yankho: Gwiritsani ntchito mita yoyezera mame kuti muyeze kupanikizika kwa mpweya.Sample point iyenera kuyikidwa mu chitoliro chopopera cha chowumitsira, ndipo mpweya wachitsanzo usakhale ndi madontho amadzi amadzimadzi.Pali zolakwika pamame omwe amayezedwa pazigawo zina zoyeserera.

21. Kodi kutentha kwa mpweya kungagwiritsidwe ntchito m'malo mwa mame?

Yankho: Mu chowumitsira ozizira, kuwerenga kwa kutentha kwa evaporation (kuthamanga kwa evaporation) sikungagwiritsidwe ntchito m'malo mwa mame a mpweya woponderezedwa.Izi zili choncho chifukwa mu evaporator yokhala ndi malo ochepa osinthira kutentha, pali kusiyana kosagwirizana ndi kutentha pakati pa mpweya woponderezedwa ndi kutentha kwa mpweya wa refrigerant panthawi ya kusinthana kwa kutentha (nthawi zina mpaka 4 ~ 6 ° C);kutentha komwe mpweya woponderezedwa ukhoza kukhazikika nthawi zonse kumakhala kokwera kuposa kwa firiji.Kutentha kwa evaporation ndikwambiri.Kusiyanitsa bwino kwa "cholekanitsa madzi a gasi" pakati pa evaporator ndi pre-cooler sichingakhale 100%.Nthawi zonse padzakhala gawo la madontho osatha amadzi abwino omwe angalowe musanayambe kuzizira ndi kutuluka kwa mpweya ndi "kutuluka kachiwiri" kumeneko.Imachepetsedwa kukhala nthunzi yamadzi, yomwe imawonjezera madzi omwe ali mumlengalenga woponderezedwa ndikukweza mame.Choncho, mu nkhani iyi, kuyeza refrigerant evaporation kutentha nthawi zonse m'munsi kuposa leni kuthamanga mame wa wothinikizidwa mpweya.

22. Kodi njira yopimira kutentha ingagwiritsiridwe ntchito motani m’malo mwa mphamvu ya mame?

Yankho: Masitepe owerengera nthawi ndi nthawi ndi kuyeza mame a mpweya ndi mita ya mame a SHAW m'malo opangira mafakitale ndi ovuta, ndipo zotsatira za mayeso nthawi zambiri zimakhudzidwa ndi mayeso osakwanira.Chifukwa chake, nthawi zomwe zofunikira sizili zolimba kwambiri, choyezera choyezera kutentha chimagwiritsidwa ntchito kuyerekeza mame a mpweya woponderezedwa.

Maziko ongoyerekeza kuyeza kuthamanga kwa mame a mpweya woponderezedwa ndi thermometer ndi: ngati mpweya woponderezedwa womwe umalowa mu precooler kudzera mu cholekanitsa chamadzi a gasi mutakakamizidwa kuziziritsa ndi evaporator, madzi osungunuka omwe amanyamulidwamo amalekanitsidwa kwathunthu. olekanitsa gasi-madzi, ndiye pa nthawi ino The kuyeza wothinikizidwa mpweya kutentha ndi kuthamanga ake mfundo mame.Ngakhale kuti kulekanitsa bwino kwa olekanitsa madzi gasi sikungathe kufika 100%, koma pansi pa chikhalidwe chakuti madzi osungunuka a pre-cooler ndi evaporator amatulutsidwa bwino, madzi osungunuka omwe amalowa mu olekanitsa madzi a gasi ndipo amafunika kuchotsedwa ndi cholekanitsa madzi gasi amangotengera Gawo laling'ono kwambiri la voliyumu yonse ya condensate.Choncho, kulakwitsa poyeza kupanikizika kwa mame ndi njira iyi si yaikulu kwambiri.

Mukamagwiritsa ntchito njira iyi kuyeza kuthamanga kwa mame a mpweya woponderezedwa, malo oyezera kutentha ayenera kusankhidwa kumapeto kwa evaporator ya chowumitsira chozizira kapena cholekanitsa madzi a gasi, chifukwa kutentha kwa mpweya woponderezedwa ndikotsika kwambiri. mfundo iyi.

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23. Kodi njira zowumitsira mpweya ndi zotani?

Yankho: Mpweya woponderezedwa ukhoza kuchotsa mpweya wa madzi mmenemo ndi pressurization, kuzizira, adsorption ndi njira zina, ndipo madzi amadzimadzi amatha kuchotsedwa ndi kutentha, kusefera, kulekanitsa makina ndi njira zina.

Chowumitsira mufiriji ndi chipangizo chomwe chimaziziritsa mpweya woponderezedwa kuchotsa mpweya wamadzi womwe uli mmenemo ndikupeza mpweya wouma wouma.Chozizira chakumbuyo cha kompresa mpweya chimagwiritsanso ntchito kuzirala kuchotsa nthunzi wamadzi womwe uli mmenemo.Zowumitsira adsorption zimagwiritsa ntchito mfundo ya adsorption kuchotsa nthunzi wamadzi womwe uli mumpweya woponderezedwa.

24. Kodi mpweya woponderezedwa ndi chiyani?Ndi makhalidwe otani?

Yankho: Mpweya umakhala wokhazikika.Mpweya pambuyo pa mpweya wa compressor umagwira ntchito zamakina kuti uchepetse kuchuluka kwake ndikuwonjezera kupanikizika kwake umatchedwa mpweya woponderezedwa.

Mpweya woponderezedwa ndi gwero lofunikira la mphamvu.Poyerekeza ndi magwero ena amphamvu, ili ndi zizindikiro zodziwikiratu izi: zomveka bwino komanso zowonekera, zosavuta kunyamula, palibe zinthu zapadera zovulaza, komanso palibe kuipitsidwa kapena kuipitsidwa kochepa, kutentha pang'ono, kulibe ngozi yamoto, kuopa Kuchulukirachulukira, kutha kugwira ntchito m'malo ambiri. malo oyipa, osavuta kupeza, osatha.

25. Kodi ndi zonyansa zotani zomwe zili mumpweya wopanikizidwa?

Yankho: Mpweya woponderezedwa wotuluka mu kompresa wa mpweya uli ndi zonyansa zambiri: ①Madzi, kuphatikiza nkhungu yamadzi, nthunzi wamadzi, madzi okhazikika;②Mafuta, kuphatikiza madontho amafuta, mpweya wamafuta;③Zinthu zolimba zosiyanasiyana, monga matope a dzimbiri, ufa wachitsulo, Zindapusa za raba, tinthu tating'onoting'ono ta phula, zosefera, chindapusa cha zida zosindikizira, ndi zina zotere, kuphatikiza pamitundu yosiyanasiyana yafungo loyipa lamankhwala.

26. Kodi magwero a mpweya ndi chiyani?Ndi mbali ziti?

Yankho: Dongosolo lopangidwa ndi zida zomwe zimapanga, kukonza ndikusunga mpweya woponderezedwa amatchedwa air source system.Makina opangira mpweya nthawi zambiri amakhala ndi zigawo izi: mpweya kompresa, ozizira kumbuyo, Zosefera (kuphatikiza zosefera zisanachitike, zolekanitsa madzi amafuta, zosefera mapaipi, zosefera zochotsa mafuta, zosefera zochotsa fungo, zosefera, ndi zina), zokhazikika zokhazikika. matanki osungira gasi, zowumitsira (firiji kapena adsorption) , Ngalande zodziwikiratu ndi zotayira zimbudzi, mapaipi a gasi, ma valve a mapaipi, zida, ndi zina zotere. Zida zomwe zili pamwambazi zikuphatikizidwa mu dongosolo lathunthu la gasi malinga ndi zosowa zosiyanasiyana za ndondomekoyi.

27. Kodi zowopsa za zonyansa mumpweya wopanikizidwa ndi zotani?

Yankho: Mpweya woponderezedwa wochokera ku mpweya wa compressor uli ndi zonyansa zambiri zowononga, zonyansa zazikulu ndi tinthu tating'onoting'ono, chinyezi ndi mafuta mumlengalenga.

Mafuta opaka mafuta opangidwa ndi vaporized amapanga asidi kuti awononge zida, mphira wowonongeka, pulasitiki, ndi zosindikizira, kutseka mabowo ang'onoang'ono, kuchititsa kuti ma valve awonongeke, ndi kuipitsa zinthu.

Chinyezi chodzaza mu mpweya woponderezedwa chidzakhazikika m'madzi pansi pazifukwa zina ndikuunjikana m'madera ena a dongosolo.Chinyezichi chimakhala ndi dzimbiri pazigawo ndi mapaipi, zomwe zimapangitsa kuti magawo osuntha atseke kapena kuvala, zomwe zimapangitsa kuti zida za pneumatic zisagwire bwino ntchito komanso kutulutsa mpweya;m'madera ozizira, kuzizira kwa chinyezi kumapangitsa kuti mapaipi aziundana kapena kusweka.

Zonyansa monga fumbi mu mpweya woponderezedwa zidzavala malo omwe akuyenda mu cylinder, air motor ndi air reversing valve, kuchepetsa moyo wautumiki wa dongosolo.

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Nthawi yotumiza: Jul-17-2023