Kuzizira: Njira yogwiritsira ntchito kutentha kochepa komwe kamapangidwa ndi firiji kuti muzizire bwino kuti muchepetse kutentha nthawi zonse.
Firiji: Ntchito yogwira ntchito yopenda kutentha kochepa pogwiritsa ntchito kusintha kwa thupi kuti muchepetse kutentha pang'ono.
Mitundu ya zida firirimu: kupanga kozizira (firiji), kuwononga zinthu zakuthupi, kuzizira.
Njira ya firiji: Mtundu wa piston, scremite mtundu, firifigal Realrigeter gressor unit, mayamwidwe firiji ya firiji, nayitrogen yamadzi.
Njira yozizira: Kumizidwa kwa mpweya, kumiza ndi firiji kudzera mu chubu chachitsulo, khoma ndi zinthu zakuthupi zokhudzana ndi kutentha kwa kutentha.
ntchito:
1. Achisanu, firiji ndi kuwononga chakudya.
2. Kuzizira, firiji, kusungidwa kwa mpweya komanso mayendedwe ozizira a zinthu zaulimi ndi chakudya.
3. Zakudya zosefukira, monga kuyanika kwa ma freeze, kuwuzira ndende ndi zoziziritsa.
4. Kuwongolera mpweya pakupanga zakudya.
Mfundo za Kuzungulira Firiji
Zipangizo zazikulu: Kupikisana ndi firiji, Contonther, valavu yowonjezera, Evaporator.
PITIRIZANI KULIMBITSA KWA RAING: Refiriji imatenga kutentha ndikufika powiritsa pomwe ili mu kutentha pang'ono komanso kuthamanga kwamadzimadzi, kenako ndikutuluka mu kutentha pang'ono komanso kuthamanga kochepa. The Refiifi wambiridwa mu mafuta amakhala otentha kwambiri komanso mpweya wovuta kwambiri pansi pa compressor, komanso kutentha kwakukulu komanso kupsinjika kwakukulu kumatsimikiza kukhala madzi ambiri. Valavu ikatha, imakhala yotsika kwambiri yamadzi otsika, ndipo imatenga kutentha ndikutulukanso kuti mupange firiji ya firiji ya firiji.
Malingaliro ndi mfundo zake
Kuthekera kwa Firiji: Pansi pa zinthu zina (ndiye kuti, kutentha kwinanso kwapatali, kutentha kobwereza, kutentha kwam'madzi komwe kumachitika nthawi yayitali. Amadziwikanso kuti kuwongolera kozizira kwa firiri. M'mikhalidwe yomweyo, mphamvu yozizira ya firiji yomweyo imagwirizana ndi kukula, liwiro ndi luso la compressor.
Patsani firiji: mu firiji ya firiji, ngati Firiji imatenga kutentha mwachindunji, chinthucho chokhazikika kapena chilengedwe mozungulira chinthucho kuti chikhazikitsidwe. Nthawi zambiri zimagwiritsidwa ntchito mu zida zingapo firiji yomwe imafuna kuzizira kwa mafakitale, monga cream cream ya Ice class, smigna yaying'ono ndi firiji ya nyumba.
Refiriguent: Zinthu zomwe zimagwira ntchito zimayendayenda mu chipangizo cha firiji kuti mukwaniritse firiji. Chida cha nthunzi zokhala ndi zigudukidwe zimazindikira kutentha kudzera pakusintha kwa Rifir State. Firiji ndi chinthu chofunikira kwambiri kuzindikira kufinya.
Nthawi zambiri kugwiritsidwa ntchito kufinya
Nthawi zambiri kugwiritsidwa ntchito kufinya: mpweya, madzi, brine ndi njira yothetsera madzi.
Njira Zosankhidwa: Malo ochepa ozizira, kutentha kwakukulu kwa kutentha, palibe chinyezi chachitsulo, kukhazikika kwamankhwala, mtengo wotsika komanso kupezeka kosavuta. mkhalidwe.
Ngakhale mpweya monga firiji uli ndi zabwino zambiri, zimangogwiritsidwa ntchito mothandizana mwachindunji ndi chakudya chokwanira chokwanira kapena kuzizira kwa kutentha kwamphamvu ndi kusamutsa kwamphamvu kwa nthawi yayitali mukamagwiritsa ntchito ngati gasa.
Madzi ali ndi kutentha kwakukulu, koma ali ndi nthawi yozizira kwambiri, kotero imangogwiritsidwa ntchito ngati mufiriji pokonzekera zozizira pamwamba pa 0 ° C. Ngati zowonjezera zozizira pansipa 0 ° C ndikukonzekera, brine kapena okhazikika zimagwiritsidwa ntchito ngati firiji.
Mankhwalawa a madzi a sodium chloride, calcium chloride ndi magnesium chloride nthawi zambiri amatchedwa Benrin Brine. Chomwe chimagwiritsidwa ntchito kwambiri chomwe chimagwiritsidwa ntchito kwambiri pamakampani ogulitsa zakudya ndi sodium chloride am'madzi. Pakati panu okhazikika njira, ziwiri zoimira zoimira zambiri ndizosasintha kwa ethylene glycol ndi propylene glycol.
Chipangizo chachikulu cha zida za piston
Ntchito: Amagwiritsidwa ntchito pokuphatikiza firiji kugwira ntchito, pezani mphamvu, kenako nkulimbana ndikuwonjezera kuti apange malo ozizira omwe angatenge kutentha.
Njira yoyimira mtundu: Chiwerengero cha masilinda, mtundu wa firiji lomwe limagwiritsidwa ntchito, mtundu wa ma cylinder makonzedwe, ndipo mainchesi a silinda.
Kuphatikizika: Cylinder block, sipinden, piston, polumikiza ndodo, crankshaft, crankshat, crovessike, chivundikiro chabodza, etc.
Njira Yogwirira Ntchito: Piston ikamapita kumtunda, ndipo valavu imatsegulidwa, ndipo vagu ya mufiriji imalowa mu silinda kumtunda kwa pisitoni. Piston ikasunthika kumtunda, vupiyo imatsekedwa, piston imapitilirabe m'mwamba, ndi firiji yomwe imathamangitsidwa imatsegulidwa, ndipo vatirifing Vapor imathamangitsidwa kuchokera pa silinda ndikukakamizidwa pa mapaipi apamwamba kwambiri.
Zinthu: kapangidwe kosavuta, kosavuta kupanga, kusinthasintha kwamphamvu, kugwira ntchito kokhazikika komanso kukonza koyenera.
ogometsa
Ntchito: Kutenthetsa Kutentha, komwe kumatsimikizira nthunzi yokwezeka ya firiji ya firiji pozizira ndikuzizira.
Mtundu: chipolopolo chachikulu ndi chubu, cholumikizira chipolopolo ndi chubu, utsi wamadzi, zosintha, zozizira, mpweya wozizira
Njira Yogwirira Ntchito: Miyezo yozizira kwambiri imalowa mu condenser kuchokera kumtunda kwa chipolopolo ndikulumikizana ndi filimu yozizira kwambiri, kenako ndikuchepetsa filimu yamadzi. Pakugwira ntchito yokoka, kumeza kumatsika kukhoma la chubu ndikulekanitsidwa ndi khoma la chubu.
Mafuta opopera m'madzi amakhala ndi madzi osungira madzi, chitoliro chozizira, ndi thanki yamadzi.
Kugwira Ntchito: Madzi ozizira amalowa mu thanki yogawa madzi kuchokera pamwamba, ndikuyenda pamwamba pa chubu cholumikizidwa kudzera mu thanki yamadzi. Madzi amatuluka, ndipo ena onse amagwera dziwe lamadzi. Pansi pa chitoliro chobisika chobisika chimalowa chitoliro, ndipo ikauka paipi, imakhazikika ndikugwedezeka, ndikuyenda mu madzi osungirako madzi.
Valani valavu
Ntchito: Chepetsani kupsinjika kwa firiji ndikuwongolera mayendedwe a firiji. Pamene ririgrant yokulirapo yamadzimadzi itadutsa mu valavu yowonjezera, kukakamizidwa kumatsika kwambiri chifukwa cha kukakamizidwa, ndipo nthawi yomweyo, madziwo amadzimafinya komanso kutentha, ndipo kutentha kwake kumachepa.
Varve Worrmal Valve: Amagwiritsa ntchito digiri yapamwamba kwambiri ya Steam pampukutu ya Evaporator kuti asinthe firiji. Pansi pazinthu zogwiritsira ntchito firiji, kutengera kwa zinthu zomwe zimapangitsa kuti zinthu zizikhala zofanana ndi kuchuluka kwa kukakamiza kwa mpweya pansi pa diaphragm ndi kupsinjika kwa kasupe, ndipo ili mu mkhalidwe wofanana. Kupeza kosakwanira kumapangitsa nthunzi kuti abwerere ku Evaporator kuti awonjezere, kutseguka kwa madzi kutentha kumawonjezeka mpaka kuchuluka kwa madzi, kenako kutentha kwa sensor kutentha kumawonjezeka. khalani bwino. Chifukwa chake, valavu yowonjezera mafuta imatha kusintha kuchuluka kwa valavu, ndipo madziwo amatulutsa amangochulukitsa kapena kutsika ndi katundu, zomwe zingaonetsetse kuti malo operekera a Evapori amagwiritsidwa ntchito mokwanira.
Evoalerator
Ntchito: The Firifter imatenga kutentha kwa sing'anga yozizira.
Gulu: Malinga ndi mtundu wa sing'anga yozizira, imagawika m'magulu atatu.
1. EvaPorator yozizira yozizira - monga wozizira madzi, brine wozizira, etc. Firiji yamadzi amadzimadzi amazungulira chubu pogwiritsa ntchito pampu ya madzi. Imagawidwa kukhala mtundu wa chubu, mtundu wokhazikika chubu, mtundu wa chubu ndi mtundu wa coil malinga ndi kapangidwe kake
2. Evaporator yozizira mpweya: Refiifi mufiriji mu chubu, mpweya umatuluka kunja, ndipo mpweya wake ndi wa chilengedwe
3. Lumikizanani ndi EvaPorator yozizira yozizira: Firiji ya mufiriji imatuluka mbali imodzi ya kusamutsa kwa kutentha, ndipo mbali inayo ya gawo ili polumikizana ndi zinthu zozizira kapena zouma.
Mawonekedwe: Kutentha Kwabwino Kusamutsa Mphamvu, kapangidwe kosavuta, kapazi kakang'ono, komanso kutsika pang'ono kumanda chifukwa cha firied Firiji yosindikizidwa.
Zovuta: pomwe pampu ya Brine imaleka chifukwa cha kusasinthasintha, kuzizira kumatha kuchitika, kumapangitsa tsata la chubu kuti lituluke.
chitoliro chozizira
Chitoliro chozizira
Ubwino: Pambuyo pa firiji yamizidwa, ndikosavuta kutulutsa, ndipo kutentha kothana ndi kwabwino, koma pamene chitoliro chothali ndi chokwera, kutentha kwam'munsi kwa gawo la madzi.
Mzere umodzi Coil Coll Tripe Pipe:
Ubwino: Kuchuluka kwa firiji yodzaza ndi yaying'ono, pafupifupi 50% ya kuchuluka kwa chitoliro chopopera, koma firiji silidzatulutsidwa mwachangu pa chitolirocho mutatha kupatsa kutentha.
Chubu chopotoza:
Ubwino: Malo akulu osungunuka.
Zipangizo zothandiza pa zida za piston
Olekanitsa Mafuta
Ntchito: Amagwiritsidwa ntchito kulekanitsa mafuta opangidwa ndi madzi ndi mpweya kuti uletse mafuta odzola kuti asalowe mogwirizana ndi kuvomerezedwa ndi kutentha kwa kutentha.
Mfundo Yogwira Ntchito: Pogwiritsa ntchito magawo osiyanasiyana a madontho a mafuta ndi riguent infrient, kuchuluka kwake kumachepetsedwa ndikuwonjezera mainchesi a chitolirochi, ndipo njira yolowera ku firiji yasinthidwa; Kapenanso mwa mphamvu ya centrifugal, madontho a mafuta amakhala ndi kutentha kwa nthunzi. Kwa mafuta odzola mu Steam State, kutentha kwamitenthe kumachepetsedwa ndikutsuka kapena kuzirala, kuti anene m'malo madontho kapena amalekanitsa. Wolekanitsa mafuta amtundu wamafuta amakonzedwa ndi Freen.
Ntchito ya otonza mafuta: imasonkhanitsa firiji ndi mafuta osakaniza olekanitsidwa ndi mafuta, motsutsana ndi zida zina za mufiriji, kenako ndikuzichotsa padera. Kuonetsetsa kuti madzi otulutsa mafuta, mafuta amachepetsa kutayika kwa firiji.
Ntchito ya wolandila madzi ndikusunga ndikusintha madziwo mu gawo lililonse la firiji kuti likwaniritse ntchito yovomerezeka yamadzi. The Secturer Liquartor limagawidwa kukhala kukakamizidwa kwambiri, kupanikizika kochepa, mbiya yopatula ndikuzungulira mbiya yosungiramo madzi.
Ntchito ya wolekanitsa mafuta: gawani mu Evaporat kuchokera ku vapaprator kuti mupewe kutentha thupi ndikugogoda silinda. Patulani Stel Yosagwira ntchito ya Ammonia yotsika kwambiri pambuyo pokongoletsa kusintha kutentha kwa epaporator.
Udindo wa Olekanitsa mpweya: kupatukana ndikutulutsa mpweya womwe sukhale wololera m'dongosolo la firiji.
Udindo wa ma concoolor: oyikidwa mu gawo la magawo awiri (kapena magawo angapo) kuwonetsa mpweya woponderezedwa kuchokera kuzomanga pamtundu wotsika mtengo kuti uzikhala bwino kwambiri. Mafuta opangira mafuta opangira mafuta komanso kuphika kozizira kumapangitsa kuti kufikiridwe kukhala kolowera kwambiri.
Kusunga kuzizira
Gulu:
Kusunga kwakukulu kozizira (pamwambapa 5000t); Kusungirako kozizira kwambiri (1500 ~ 5000t); Kusunga kozizira (pansipa 1500t).
Malinga ndi zomwe zimagwiritsidwa ntchito:
Kutentha kwakukulu kozizira: makamaka firiji, masamba, mazira atsopano ndi zakudya zina, kutentha kosungirako zinthu 4 ~ --------2;
Kutentha kochepa kutentha: makamaka kumasuka ndi nyama, zopangidwa zam'madzi, ndi zina zambiri, kutentha kosungiramo zambiri ndi -18 ~ -30 ℃;
Wogulitsa ndege: Surseni mpunga, Zakudya Zam'mankhwala, Vinyo, ndi zina zowonjezera kutentha, kutentha kwa 10 ~ 15 ℃
Zida zozizira msanga: ndizoyenera kuzinthu zazing'ono kapena zopangidwa zosaphika monga mabatani, magawo, ndi ma grans kuti apange zakudya zamtunduwu monga ziweto, masamba, ndi dumplings. Kutentha kwa kuzizira --30 ~ 40 ℃.
Buku lofulumira-lay-freezer: Pali mbale zingapo zosunthika ndi maimidwe omwe ali m'bokosi lokutidwa ndi mafuta otchinga. Ma coils evavoation amaikidwa munthawi yocheza, ndipo brine amatha kuthiridwa pakati pa machubu, ndipo firiji imayamba kudutsa ma coils otchipa; Zinthu zowawa-zowawa zimayikidwa pakati pa mbale, ndipo mbale zimasunthidwa kuti zithandizireni zida zozizira.
Typenenel mtundu wa Flyzing-Fly-Flyzing: Imakhala ndi tunnel Thupi, EvaPorator, nayon, nthomba kapena ukonde wosapanga dzimbiri. Zinthu zomwe zayamba kudutsa lamba woyambirira wa ma mesh, zomwe zimathamanga mwachangu, ndipo zokutira ndi zowonda, kuti pamwambayo zisaundire; Lamba wachiwiri wa mesh, womwe umayenda pang'onopang'ono ndipo ali ndi cholembera, chimazirala zinthu zonse kuti apeze chilichonse chambiri.
Kumizidwa Freezer: Zinthu zowuma zimalumikizidwa mwachindunji ndi mpweya wawung'ono kapena madzi okwanira kutentha kwambiri kuti apange mankhwala ophuka. Chakudya chimadutsa m'dera lozizira, malo ozizira ndi malo ozizira. Nitrogen wamadzimadzi amasungidwa kunja kwa ngalandeyo ndikudziwitsidwa kudera lozizira lomwe limasambitsidwa kapena kumiza kuzizira. Nayitrogeni adapangidwa pambuyo pa madzi nayitrogeni amatenga kutentha kumakhalabe pamtunda wochepa kwambiri, -10 mpaka -5 ° C, ndipo amatumizidwa mumkono ndi fan. Pre-bweretsani gawo lapitalo. M'malire ozizira, chakudya chimazizira kwambiri polumikizana ndi nitrogen madzi a pa -200 ° C.
Zipangizo zowongolera mpweya
Kugwiritsa ntchito njira yogwiritsira ntchito mlengalenga: kuphatikiza firiji yosungidwa, kuwongolera kutentha ndi kapangidwe ka mpweya, kuti mpweya wabwino uzigwiritsidwa ntchito posungira zipatso ndi masamba.
Kutayika kwa zinthu zosungidwa ndizochepa. Malinga ndi ziwerengero, kutayika kwa zinthu zosungirako zozizira ndi 21.3%, pomwe kutayika kwa malo osungirako mpweya ndi 4.8%.
Post Nthawi: Jan-26-2022
