na'urar sanyaya daki da kumaajiyar sanyikiyaye matsin lamba da kuma kiyaye kariya.
rtsarin sanyayatsarin rufewa ne. Dole ne a duba yadda iska ke shiga tsarin sanyaya bayan an gyara shi sosai don tabbatar da ingancin kulawa, inganta ingancin aiki, rage asarar na'urar sanyaya, da kuma inganta yanayin aiki. Na'urar sanyaya yana da matuƙar yuwuwar shiga. Saboda haka, ya zama dole a duba yadda iska ke shiga tsarin sanyaya.
Ya kamata a lura cewa dole ne a yi amfani da iskar nitrogen don kiyaye matsin lamba a cikin tsarin sanyaya. Iskar oxygen iska ce mai kama da wuta. Idan ana amfani da iskar oxygen don kiyaye matsin lamba, yana iya haifar da gobara ko fashewa!
- Kula da matsin lamba na ajiyar ƙananan da matsakaitan sanyi:
Ana ba da shawarar a matse ɓangarorin iskar gas da ruwa a lokaci guda. Da farko, a haɗa ma'aunin matsin lamba zuwa tashar amfani da yawa ta bawul ɗin rufewa mai girma da ƙasa na matsewa, sannan a cire abubuwan da ke cikin tsarin asali waɗanda bai kamata a yi musu matsin lamba mai yawa ba, kamar bawul ɗin da ke daidaita matsin lamba na ƙafewa da sauran abubuwan haɗin.
Idan aka yi la'akari da refrigerant na R22 a matsayin misali, idan matsin lamba mai ƙarancin ƙarfi ya kai 1.2MPa, ana dakatar da cajin nitrogen. Bayan an kammala gwajin sashin matsin lamba mai ƙarancin ƙarfi, ana gudanar da gwajin matsin lamba na tsarin matsin lamba mai ƙarfin gaske. Bayan an ƙara matsin lamba na tsarin matsin lamba mai ƙarfin gaske zuwa 2.5MPa, ana dakatar da cajin nitrogen. A ci gaba da matsin lamba na tsawon awanni 24-48.
| Tsarin firiji | R134a | R22 | R401A, R402A, R404A, R407A, R407B, R407C, R507 |
| Tsarin latsa ƙasa | 1.2 | 1.2 | 1.2 |
| Tsarin zafin jiki mai yawa | 2.0 | 2.5 | 3.0 |
Matakan kariya:
A cikin awanni 4 na farko na tsarin, matsin lamba na ma'aunin raguwar matsin lamba bai wuce 0.03MPa ba, sannan ya ci gaba da kasancewa da kwanciyar hankali (a lokacin gwajin, raguwar matsin lamba saboda canje-canjen zafin jiki gabaɗaya bai wuce matsin lamba na ma'aunin 0.01 ~ 0.03MPa ba), kuma ana iya ɗaukar tsarin sanyaya a matsayin wanda ya cancanta don gwajin zubewa.
2. Tsarin aiki mai layi da yawa yana kula da matsin lamba
Dole ne a matse mahaɗin mai yawa daga ɓangarorin biyu na bututun iskar gas da bututun ruwa a lokaci guda, saboda matsin lamba a ɓangarorin biyu na iskar gas da ruwa na iya kare sassan bawul kamar bawul ɗin faɗaɗa lantarki a ɓangaren naúrar cikin gida na tsarin mahaɗin mai yawa daga lalacewa. Dole ne a yi amfani da busasshen nitrogen don gwajin matse iska. yi matsakaici.
A lokacin gwajin matse iska, ba a yarda ya haɗa gwajin bututun injin na waje ba. Matsin gwajin tsarin R410A shine 4.0MPa, gwajin matse iska dole ne ya yi amfani da nitrogen a matsayin matsakaici, kuma nitrogen dole ne ya bushe. A matsa a hankali, a matakai uku:
| Danna | Lokaci | aiki |
| 0.3MPa | > Minti 5 | Ana iya samun manyan ɗigogi |
| 1.5MPa | > Minti 5 | Ana iya samun manyan ɗigogi |
| 4.0MPa | Awa 24 | Ƙarami ana iya samun abubuwan fashewa |
1. A matse shi zuwa 0.3MPa, a tsaya na tsawon mintuna 5 don duba ɓullar, kuma yana iya samun babban ɓullar;
2. A matse shi zuwa 1.5MPa, a tsaya na tsawon mintuna 5 don duba yadda iska ke matsewa, sannan a ga ƙaramin ɓuɓɓuga;
3. A matse shi zuwa 4.0MPa, a tsaya na tsawon mintuna 5 don gwajin ƙarfi, kuma za a iya samun ƙananan ƙuraje.
Bayan an matsa lamba ga matsin lamba na gwaji, a ci gaba da matsa lamba na tsawon awanni 24, sannan a lura ko matsin lambar ya ragu. Idan matsin lambar bai ragu ba, ya cancanta.
Tsarin gwajin matsin lamba na tsarin R410A ya kamata ya kasance sama da 4.5MPa
Matakan kariya:
Gyaran Matsi: Idan zafin jiki ya canza da 1°C, matsin lambar yana canzawa daidai da 0.01MPa. Idan matsin lambar yana buƙatar a ci gaba da kasancewa na dogon lokaci, ya kamata a rage matsin lambar zuwa 0.5MPa ko ƙasa da haka. Babban matsin lamba na dogon lokaci na iya haifar da zubewar sassan walda, kuma akwai yuwuwar haɗarin aminci;
Matsin bayan riƙe matsi yana shafar yanayin zafi na yanayi. Yayin da zafin jiki ke ƙaruwa, matsin zai kuma tashi, kuma yayin da zafin ke raguwa, zafin zai kuma ragu. Idan zafin yanayi ya kasance 10°C lokacin da aka kiyaye matsin jiya, kuma zafin ya tashi kwatsam zuwa 25°C a yau, to Idan zafin jiki ya kasance 15°C, ma'aunin matsin zai ragu, kuma al'ada ce matsin lamba na ma'aunin ya zama 38.4kgf/cm².
ABayan gwajin matsin lamba na nitrogen ya cancanta, a busar da tsarin. A haɗa ma'aunin injin sannan a kunna famfon injin na tsawon awanni 2. Idan ba zai iya kaiwa -755mmHg ba, a ci gaba da yin famfon na tsawon awa 1. Bayan ya kai -755mmHg, ana iya sanya shi na tsawon awa 1, kuma zai iya cancanta idan ma'aunin injin bai tashi ba.
Lokacin Saƙo: Yuni-10-2022