HANGZHOU NUZHUO TECHNOLOGY GROUP CO.,LTD.

Udindo wa zigawo zazikulu za chowumitsira chozizira

1. Chokometsera cha firiji

Ma compressor oziziritsa ndi mtima wa makina oziziritsira, ndipo ma compressor ambiri masiku ano amagwiritsa ntchito ma compressor oziziritsira omwe amatenthedwa ndi kutentha. Kukweza makina oziziritsira kuchokera ku mphamvu yotsika kupita ku mphamvu yokwera ndikuzungulira makina oziziritsira nthawi zonse, makinawo amatumiza kutentha kwamkati kupita kumalo opitilira kutentha kwa makinawo.

2. Chokonzetsera

Ntchito ya condenser ndikuziziritsa nthunzi ya refrigerant yotenthedwa kwambiri yomwe imatulutsidwa ndi refrigerant compressor kupita ku refrigerant yamadzimadzi, ndipo kutentha kwake kumachotsedwa ndi madzi ozizira. Izi zimathandiza kuti ntchito yoziziritsa ipitirire mosalekeza.

3. Chotenthetsera madzi

Evaporator ndiye gawo lalikulu losinthira kutentha kwa choumitsira firiji, ndipo mpweya wopanikizika umaziziritsidwa mwamphamvu mu evaporator, ndipo nthunzi yambiri yamadzi imaziziritsidwa ndikuyikidwa m'madzi amadzimadzi ndikutulutsidwa kunja kwa makina, kotero kuti mpweya wopanikizika umauma. Madzi oziziritsira otsika amakhala nthunzi yoziziritsira yochepa panthawi ya kusintha kwa gawo mu evaporator, zomwe zimapangitsa kuti kutentha kozungulira kuziziritse panthawi ya kusintha kwa gawo, motero kuziziritsa mpweya wopanikizika.

4. Valavu yowonjezera yotenthetsera (capillary)

Valavu yokulitsa kutentha (capillary) ndi njira yolumikizira makina oziziritsira. Mu choumitsira firiji, kuperekedwa kwa evaporator refrigerant ndi regulator yake kumachitika kudzera mu njira yolumikizira makina. Njira yolumikizira makina imalola firiji kulowa mu evaporator kuchokera ku madzi otentha kwambiri komanso amphamvu.

5. Chosinthira kutentha

Makina ambiri oumitsira mpweya m'firiji ali ndi chosinthira kutentha, chomwe ndi chosinthira kutentha chomwe chimasinthasintha kutentha pakati pa mpweya ndi mpweya, nthawi zambiri chimakhala chosinthira kutentha cha tubular (chomwe chimadziwikanso kuti chosinthira kutentha cha chipolopolo ndi chubu). Ntchito yayikulu ya chosinthira kutentha mu choumitsira mpweya m'firiji ndi "kubwezeretsa" mphamvu yozizira yomwe imanyamulidwa ndi mpweya woumitsidwa utaziziritsidwa ndi evaporator, ndikugwiritsa ntchito gawo ili la mphamvu yozizira kuziziritsa mpweya woumitsidwa pa kutentha kwakukulu konyamula nthunzi yambiri yamadzi (ndiko kuti, mpweya wodzazidwa woumitsidwa womwe umatuluka mu compressor ya mpweya, utaziziritsidwa ndi choziziritsira chakumbuyo cha compressor ya mpweya, kenako nkupatukana ndi mpweya ndi madzi nthawi zambiri kumakhala pamwamba pa 40 °C), motero kuchepetsa kutentha kwa makina oziziritsira ndi kuumitsa ndikukwaniritsa cholinga chosunga mphamvu. Kumbali inayi, kutentha kwa mpweya woumitsidwa wochepa kutentha mu chosinthira kutentha kumabwezeretsedwanso, kotero kuti khoma lakunja la payipi yonyamula mpweya woumitsidwa silimayambitsa "kuundana" chifukwa cha kutentha komwe kuli pansi pa kutentha kozungulira. Kuphatikiza apo, kutentha kwa mpweya wopanikizika kukakwera, chinyezi cha mpweya wopanikizika chikauma chimachepa (nthawi zambiri chimakhala chochepera 20%), zomwe zimathandiza kupewa dzimbiri la chitsulo. Ogwiritsa ntchito ena (monga zomera zolekanitsa mpweya) amafunika mpweya wopanikizika wokhala ndi chinyezi chochepa komanso kutentha kochepa, kotero choumitsira mpweya wozizira sichikhalanso ndi chosinthira kutentha. Popeza chosinthira kutentha sichinakhazikitsidwe, mpweya wozizira sungabwezeretsedwenso, ndipo kutentha kwa evaporator kudzawonjezeka kwambiri. Pankhaniyi, sikuti mphamvu ya compressor yoziziritsira yokha imafunika kuwonjezeredwa kuti ibwezeretse mphamvu, komanso zigawo zina za makina onse oziziritsira (evaporator, condenser ndi zigawo zozungulira) ziyenera kuwonjezeredwa moyenerera. Poganizira za kubwezeretsa mphamvu, nthawi zonse tikuyembekeza kuti kutentha kwa choumitsira mpweya wozizira kukakwera, kumakhala bwino (kutentha kwambiri kwa utsi, kusonyeza kuchira kwa mphamvu zambiri), ndipo ndibwino kuti pasakhale kusiyana kwa kutentha pakati pa cholowera ndi chotulukira. Koma kwenikweni, sizingatheke kuchita izi, pamene kutentha kwa malo olowera mpweya kuli pansi pa 45 °C, si zachilendo kuti kutentha kwa malo olowera ndi otulukira mu choumitsira firiji kukhale kosiyana ndi kupitirira 15 °C.

Kukonza Mpweya Wopanikizika

Mpweya wopanikizika→ zosefera zamakina→ zosinthira kutentha (kutulutsa kutentha), →zotulutsa mpweya→ zolekanitsa gasi ndi madzi→ zosinthira kutentha (kuyamwa kutentha), → zosefera zamakina zotulutsira mpweya→ matanki osungira gasi

Kusamalira ndi kuyang'anira: Sungani kutentha kwa dothi la choumitsira firiji pamwamba pa zero.

Kuti muchepetse kutentha kwa mpweya wopanikizika, kutentha kwa mpweya wozizira kwa refrigerant kuyeneranso kukhala kochepa kwambiri. Choumitsira firiji chikaziziritsa mpweya wopanikizika, pamakhala chopondera chofanana ndi filimu pamwamba pa chipsepse cha evaporator liner, ngati kutentha kwa pamwamba pa chipsepse kuli pansi pa zero chifukwa cha kuchepa kwa kutentha kwa mpweya wozizira, chopondera pamwamba chingazire, panthawiyi:

A. Chifukwa cha kulumikizidwa kwa ayezi wokhala ndi kutentha kochepa kwambiri pamwamba pa chipsepse chamkati cha evaporator, mphamvu yosinthira kutentha imachepa kwambiri, mpweya wopanikizika sungaziziritsidwe mokwanira, ndipo chifukwa cha kusakwanira kwa kutentha, kutentha kwa evaporation mufiriji kungachepe kwambiri, ndipo zotsatira za kuzungulira koteroko mosakayikira zidzabweretsa zotsatirapo zambiri zoyipa ku makina oziziritsira (monga "kupsinjika kwa madzi");

B. Chifukwa cha mtunda wochepa pakati pa zipsepse mu evaporator, zipsepse zikauma, malo ozungulira mpweya wopanikizika adzachepetsedwa, ndipo ngakhale njira ya mpweya idzatsekedwa pazochitika zazikulu, kutanthauza "kutsekeka kwa ayezi"; Mwachidule, kutentha kwa dew point ya compression ya refrigeration dryer kuyenera kukhala pamwamba pa 0 °C, kuti kutentha kwa dew point kusakhale kotsika kwambiri, refrigerant dryer imapatsidwa chitetezo cha energy bypass (chomwe chimapezedwa ndi bypass valve kapena fluorine solenoid valve). Pamene kutentha kwa dew point kuli kotsika kuposa 0 °C, bypass valve (kapena fluorine solenoid valve) imatseguka yokha (kutseguka kumawonjezeka), ndipo nthunzi yosazizira komanso yopanikizika kwambiri imalowetsedwa mwachindunji mu evaporator (kapena thanki yolekanitsa gasi ndi madzi pa compressor inlet), kotero kuti kutentha kwa dew point kumakwezedwa kufika pamwamba pa 0 °C.

C. Poganizira momwe mphamvu imagwiritsidwira ntchito m'dongosolo, kutentha kwa evaporation kumakhala kochepa kwambiri, zomwe zimapangitsa kuti coefficient ya compressor friji ichepe kwambiri komanso kuti mphamvu igwiritsidwe ntchito kwambiri.

Unikani

1. Kusiyana kwa kuthamanga pakati pa malo olowera ndi otulutsira mpweya wopanikizika sikupitirira 0.035Mpa;

2. Kuyeza kuthamanga kwa nthunzi 0.4Mpa-0.5Mpa;

3. Kuyeza kuthamanga kwa magazi 1.2Mpa-1.6Mpa

4. Yang'anirani pafupipafupi njira zotulutsira madzi ndi zinyalala

Nkhani Yogwira Ntchito

1 Yang'anani musanayambe

1.1 Ma valve onse a dongosolo la netiweki ya mapaipi ali mu mkhalidwe wabwinobwino woyimirira;

1.2 Valavu yamadzi ozizira imatsegulidwa, kuthamanga kwa madzi kuyenera kukhala pakati pa 0.15-0.4Mpa, ndipo kutentha kwa madzi kuli pansi pa 31Ċ;

1.3 Choyezera kuthamanga kwambiri kwa mpweya mufiriji ndi choyezera kuthamanga kochepa kwa mpweya mufiriji chomwe chili pa dashboard chili ndi zizindikiro ndipo ndizofanana;

1.4 Yang'anani mphamvu yamagetsi, yomwe siyenera kupitirira 10% ya mtengo wovomerezeka.

2 Njira yoyambira

2.1 Dinani batani loyambira, cholumikizira cha AC chimachedwa kwa mphindi zitatu kenako nkuyamba, ndipo chosindikizira choziziritsira chimayamba kugwira ntchito;

2.2 Yang'anani pa dashboard, choyezera kuthamanga kwambiri cha refrigerant chiyenera kukwera pang'onopang'ono kufika pa 1.4Mpa, ndipo choyezera kuthamanga kochepa cha refrigerant chiyenera kutsika pang'onopang'ono kufika pa 0.4Mpa; panthawiyi, makinawo ayamba kugwira ntchito bwino.

2.3 Choumitsira chikatha kugwira ntchito kwa mphindi 3-5, choyamba tsegulani pang'onopang'ono valavu yolowera mpweya, kenako tsegulani valavu yotulutsira mpweya malinga ndi kuchuluka kwa katundu mpaka katunduyo atadzaza.

2.4 Yang'anani ngati zoyezera kuthamanga kwa mpweya wolowera ndi wotuluka zili bwino (kusiyana pakati pa mawerengedwe a mamita awiri a 0.03Mpa kuyenera kukhala kwabwinobwino).

2.5 Yang'anani ngati kutuluka kwa madzi mu payipi yodziyimira yokha kuli bwino;

2.6 Yang'anani momwe makina owumitsira mpweya amagwirira ntchito nthawi zonse, lembani kuchuluka kwa mpweya wolowera ndi wotuluka, kuchuluka kwa mpweya wozizira komanso wotsika, ndi zina zotero.

3 Njira yozimitsa;

3.1 Tsekani valavu yotulutsira mpweya;

3.2 Tsekani valavu yolowera mpweya;

3.3 Dinani batani loyimitsa.

4 Zodzitetezera

4.1 Pewani kuthamanga kwa nthawi yayitali popanda katundu.

4.2 Musayambe compressor yoziziritsa nthawi zonse, ndipo chiwerengero cha kuyamba ndi kuyimitsa pa ola limodzi sichiyenera kupitirira nthawi 6.

4.3 Kuti muwonetsetse kuti mpweya uli bwino, onetsetsani kuti mukutsatira dongosolo loyambira ndi kuyimitsa.

4.3.1 Yambani: Lolani choumitsira chizigwira ntchito kwa mphindi 3-5 musanatsegule choumitsira mpweya kapena valavu yolowera.

4.3.2 Kuzimitsa: Zimitsani kaye choyezera mpweya kapena valavu yotulutsira mpweya kenako zimitsani chowumitsira.

4.4 Pali ma valve odulira mpweya mu netiweki ya mapaipi omwe amadutsa polowera ndi potulukira pa choumitsira, ndipo valavu yodulira mpweya iyenera kutsekedwa bwino panthawi yogwira ntchito kuti mpweya wosakonzedwa usalowe mu netiweki ya mapaipi a mpweya wotsikira pansi.

4.5 Kuthamanga kwa mpweya sikuyenera kupitirira 0.95Mpa.

4.6 Kutentha kwa mpweya wolowera sikuyenera kupitirira madigiri 45.

4.7 Kutentha kwa madzi ozizira sikuyenera kupitirira madigiri 31.

4.8 Chonde musayatse pamene kutentha kwa malo kuli kotsika kuposa 2Ċ.

4.9 Kukhazikitsa nthawi yotumizirana mu kabati yowongolera magetsi sikuyenera kupitirira mphindi zitatu.

4.10 Kugwira ntchito konsekonse bola ngati mukuwongolera mabatani a "kuyamba" ndi "kuyimitsa"

4.11 Fani yoziziritsira yoziziritsira mpweya imayendetsedwa ndi chosinthira cha mphamvu, ndipo sizachilendo kuti fani isatembenuke pamene choumitsira choziziritsira chikugwira ntchito pa kutentha kochepa. Pamene mphamvu ya mpweya woziziritsira ikukwera, fani imayamba yokha.