Mekhoa ea ho fokotsa metsi le litemoso bakeng sa lisebelisoa tsa kamore e batang.

Ha mocheso oa mouoane oa setsi sa sehatsetsing se batang o le tlase ho 0 ° C, serame se tla hlaha holim'a mouoane, se amang katleho ea ho fetisa mocheso.Ka hona, ho senya kamehla ho boetse ke karolo ea bohlokoa haholo ea tlhokomelo ea polokelo ea serame.Ho na le mekhoa e mengata ea ho defrost.Hona joale, baetsi ba kaho ea polokelo e batang haholo-holo ba sebelisa mekhoa e mehlano: ho senya ka maiketsetso, ho senya motlakase, ho senya moea o chesang, ho senya metsi, ho senya metsi a chesang a moea.

1. Ho senya ka letsoho ke ho tlosa serame ka letsoho holim'a tube ea evaporator discharge.Mokhoa ona o ka etsoa ntle le ho emisa lisebelisoa tsa sehatsetsing.Mokhoa ona o nka nako ebile o boima, 'me phello ea ho senya ha e ntle.

2. Ho senya motlakase ke ho kenya heater ea motlakase holim'a mouoane ho senya ka mocheso oa motlakase.Nakong ea defrosting, emisa compressor kapa emisa ho fepa mokelikeli ho mouoane.Ho senya motlakase ho na le melemo ea theko e tlaase le taolo e bonolo, empa litšenyehelo tsa ts'ebetso li phahame.Ka kakaretso e sebelisetsoa ho senya thepa ea polokelo e batang, eseng bakeng sa ho senya thepa ea sehatsetsing.Bakeng sa lithempereichara tse fapaneng, litlhoko tsa litsebo tsa ho koala li tlameha ho fapana, 'me matla a ho pholisa a hlokahalang le ona a tlameha ho fapana.Ho thehoa ha polokelo e batang ho hloka ho etsoa ka mokhoa o ikhethileng ho ea ka tikoloho ea sebele ea kopo ea moreki le kopo, ntle le haeba ho se na tlhokahalo e khethehileng ea ho nka tsela ea maemo.

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3. Ho chesa khase e chesang ke tšebeliso ea mouoane oa sehatsetsing o chesang haholo o ntšitsoeng ke konpressor ho lokolla mocheso ka mouoane ebe o qhibilihisa serame holim'a mouoane.Sistimi e chesang ea ho senya khase e rarahane 'me litšenyehelo li holimo.Empa phello ea defrosting e molemo.Ha e sebelisoa tsamaisong ea ammonia, oli e bokeletsoeng ka har'a mouoane e ka boela ea tšeloa ka har'a drain kapa letamo la khatello e tlase ea potoloho.Ts'ebetsong ea ho senya khase e chesang, khatello ka kakaretso e laoloa ho 0.6MPa.Leka ho sebelisa khase e nang le khatello e phahameng e tsoang ho komporo e le 'ngoe ea sethala bakeng sa ho senya.Mariha a ka ba a loketseng ho fokotsa metsi a pholileng kapa ho fokotsa palo ea li-condensers, ho eketsa mocheso oa mocheso, ho khutsufatsa nako ea ho senya.Bakeng sa lisebelisoa tsa ammonia, ammonia e chesang bakeng sa ho senya e lokela ho hokahanngoa le pipe ea ho qeta ea karohano ea oli.

4. Ho senya metsi ke ho fafatsa metsi holim'a mouoane ka mochine oa ho fafatsa ho qhibilihisa serame.Sistimi ea ho senya metsi e na le sebopeho se rarahaneng le litšenyehelo tse phahameng, empa phello e ntle le litšenyehelo tse tlase.Metsi defrosting ka feela tlosa serame lera holim'a bokantle ba mouoane, 'me a ke ke a rarolla phello e mpe ea ho bokella oli ka evaporator ka mocheso phetiso.Ntho ea bohlokoa ka ho fetisisa ke boto ea polokelo e batang, eo hangata e hlahisoang esale pele ke moetsi oa boto ea polokelo ea serame 'me e na le bolelele bo tsitsitseng, bophara le botenya.Boto ea polokelo e batang ea 100mm hangata e sebelisoa bakeng sa polokelo e batang ea mocheso o phahameng le o mahareng, boto ea polokelo e batang ea 120mm kapa 150mm hangata e sebelisoa bakeng sa polokelo ea mocheso o tlase le polokelo ea leqhoa.

5. Ho chesa metsi a chesang a moea ke mekhoa e 'meli ea ho senya metsi a chesang le ho senya metsi a sebelisoang ka nako e le' ngoe, e lebisang tlhokomelo ea melemo ea bobeli, 'me e ka tlosa serame ka potlako le ka katleho holim'a mouoane le ho felisa ho bokella oli. ka hare ho mouoane.Ha e qhibiliha, khase e chesang e qala ho romeloa ka mouoane ho arola serame holim'a mouoane, ebe metsi a fafatsoa ho hlatsoa serame ka potlako.Ka mor'a hore phepelo ea metsi e khaotsoe, bokaholimo ba mouoane bo "omisitsoe" ke moea o chesang ho thibela filimi ea holim'a metsi hore e se ke ea hatsela le ho ama mocheso oa mocheso.Nakong e fetileng, baetsi ba boto ea polokelo e batang haholo-holo ba ne ba sebelisa polyethylene le polystyrene e le lisebelisoa.Hona joale ho na le ts'ebetso e ntle ea polyurethane sandwich board.Polystyrene foam insulation materiality e tlase, ha e khone ho kenngoa.Hangata li sebelisoa lisebelisoa tse khethehileng.Polyethylene ke thepa e ntle e tala.Ka karo-karolelano e itseng, e ka foamed tsoa segokanyipalo e loketseng, ho insulation phello e ntle, matla a ho jara bokgoni ba thepa ea insulation.Poleiti ea polyurethane e betere, e na le ts'ebetso e ntle ea ho kenya letsoho 'me ha e monye mongobo, empa theko ena ea polokelo e batang e phahame hanyane.


Nako ea poso: Dec-08-2023