Sechikamu chakakosha cheiyo inotonhora yekuchengetedza firiji system, iyo inotonhorera yemhepo inotanga kutonhora pamusoro peevaporator pamusoro apo mhepo inotonhorera inoshanda patembiricha iri pasi pe0 ℃ uye pasi penzvimbo yedova remhepo. Sezvo nguva yekushanda ichiwedzera, chando chechando chichawedzera uye chinowedzera. Zvikonzero zvechando chemhepo inotonhorera (evaporator)
1. Kusakwana kwemhepo kugovera, kusanganisira kuvhara kwekudzoka kwemhepo duct, kuvharwa kwesefa, kuvharwa kwegomba rekupedzisira, kukundikana kwe fan kana kuderedzwa kwekukurumidza, nezvimwewo, zvichiita kuti kusakwana kwekupisa kwekupisa, kuderedza evaporation pressure, uye kuderedza kupisa kwemhepo;
2. Matambudziko neanopisa kupisa pachayo. Mutsinhanisi wekupisa unowanzoshandiswa, uye kushanda kwekuchinja kwekushisa kunoderera, izvo zvinoderedza kuputika kwemhepo;
3. Kupisa kwekunze kwakanyanya kuderera. Firiji yefiriji kazhinji haidonhe pasi pe20 ℃, firiji munzvimbo yakaderera tembiricha inokonzeresa kusakwana kwekutsinhana kwekupisa uye kuderera kwehupfu hwemhepo;
4. Ivhavha yekuwedzera yakavharwa kana iyo pulse motor system inodzora kuvhura yakakuvadzwa. Muchirongwa chekufamba kwenguva refu, mamwe marara anovhara chiteshi chevhavha yekuwedzera uye kuita kuti isakwanise kushanda zvakajairika, ichideredza kuyerera kwefiriji uye kudzikisa evaporation pressure. Abnormal kuvhura kutonga kuchakonzerawo kuderera kwekuyerera uye kumanikidza;
5. Secondary throttling, pipe bending kana marara kuvhara mukati me evaporator kunokonzera yechipiri throttling, iyo inokonzera kudzvinyirirwa uye kutonhora kudonha muchikamu mushure mekuputika kwechipiri;
6. Hurombo hunoenderana nehurongwa. Kuti zvive chaizvo, evaporator idiki kana iyo compressor inoshanda mamiriro yakakwira zvakanyanya. Muchiitiko ichi, kunyange kana kushanda kwe evaporator kuchishandiswa zvizere, iyo yakakwira compressor inoshanda mamiriro inokonzeresa kuderera kwekumanikidza uye kudonha kwekushisa kwe evaporation;
7. Kushaya refrigerant, low evaporation pressure uye yakaderera evaporation tembiricha;
8. Hunyoro hunyoro muimba yekuchengetera zvinhu hwakakwirira, kana kuti evaporator yakaiswa panzvimbo isiri iyo kana gonhi rekuchengetedza inotonhora rinovhurwa uye rinovharwa nguva dzose;
9. Kubvisa chando kusina kukwana. Pamusana pekusakwana kwekudzikisa nguva uye nzvimbo isina musoro ye defrost reset probe, evaporator inotanga kana isati yanyatsopera. Mushure mekutenderera kwakawanda, chando chemukati cheevaporator chinoomesa muchando choungana chobva chakura.
Cold storage defrosting nzira 1. Kupisa kwemhepo kunopisa - kwakakodzera kudzikisa mapaipi emakamuri makuru, epakati uye maduku anotonhora: zvakananga rega kupisa kwepamusoro-tembiricha gaseous condensing agent ipinde muevaporator pasina kupindira, uye tembiricha ye evaporator inokwira, zvichiita kuti chando chechando uye chibatanidzwa chepombi chinyunguduke kana kuti kubvarura. Kupisa mweya defrosting ine hupfumi uye yakavimbika, iri nyore kuchengetedza uye kubata, uye mari yayo uye kuoma kwekuvaka hakuna kukura. 2. Mvura yekupfapfaidza defrosting - inonyanya kushandiswa kudzikisa chando chikuru uye chepakati-kati inotonhorera: Gara uchishandisa tembiricha yemazuva ese kupfapfaidza nekutonhodza evaporator kunyungudutsa chando. Kunyange zvazvo mvura yekupfapfaidza defrosting ine yakanaka defrosting mhedzisiro, inonyanya kuenderana nemhepo inotonhodza uye inonetsa kushanda painoputika makoiri. Iwe unogona zvakare kushandisa mhinduro ine tembiricha yepamusoro yechando, senge 5% kusvika 8% concentrated brine, kupfapfaidza evaporator kudzivirira chando kubva pakuumba. 3. Magetsi anopisa - magetsi ekupisa machubhu anonyanya kushandiswa kune epakati uye madiki emhepo inotonhorera: Magetsi emagetsi emagetsi anonyanya kushandiswa pakupisa kwemagetsi defrosting yealuminium mapaipi mukati uye madiki anotonhora storages. Zviri nyore uye zviri nyore kushandisa kune mhepo inotonhorera; asi kune aluminium pombi inotonhora yekuchengetedza, kuoma kwekuvaka kwekuisa magetsi ekupisa waya paaluminium fins haisi diki, uye kukundikana kwehuwandu mune ramangwana kunewo kukwirira, kuchengetedza uye kutarisira kwakaoma, kubudirira kwehupfumi kwakashata, uye kuchengetedza chinhu chakaderera. 4. Mechanical manual defrosting - duku inotonhora yekuchengetedza pombi defrosting inoshandiswa: Manual defrosting yemapombi ekuchengetedza inotonhora inowedzera hupfumi uye nzira yepakutanga yekudzikisa. Hazvina musoro kushandisa manual defrosting kune hombe inotonhora storages. Zvakaoma kushanda nemusoro wakarereka, uye simba remuviri rinopedzwa nekukurumidza. Zvinokuvadza kuhutano kugara mudura kwenguva yakareba. Hazvisi nyore kunyura zvakakwana, izvo zvinogona kukonzera evaporator kukanganisa, uye inogona kutokuvadza evaporator uye kukonzera tsaona yekudonha kwefiriji.
Nguva yekutumira: Jul-17-2025