Letoto la Lihlahisoa tsa Microchannel Condenser
Traditional Copper Tube le Finned Plate Heat Exchanger Replacement Series
E etselitsoe ka ho hlaka hore e nkele sebaka sa li-heaters tsa khale, 'me e sebelisa-aluminium thekenoloji ea ho tjheseletsa, e kopanyang mapheoana le li-tuhupu tse bataletseng. Ts'ebetso ea ho fetisa mocheso e eketseha ka ho feta 42%, e loketseng lihatsetsi tse tloaelehileng tse kang R134a le R404A, tse sebelisoang haholo ka lihatsetsing tsa khoebo, lik'habote tse bontšang, joalo-joalo.
Serame le Sehatsetsi se Tlase-Sehatsetsi se Holimo
E ntlafaditswe bakeng sa sebaka-maemo a lekanyeditsweng, ka botenya ba 16-25mm, ho hanyetsa moya ho fokotswa ka 31%. E loketse ka ho khetheha thepa ea sehatsetsi e kentsoeng le mechine e menyenyane ea ho etsa leqhoa, ’me e tšehetsa tšebeliso e sireletsehileng ea lihatsetsi tse khethehileng tse tukang tse kang R290.
Letoto la Tlhahiso ea 'Misa oa Malapa / Khoebo
Lihlahisoa tse tloaelehileng tsa tlhahiso ea boima, tse nang le khatello ea moralo oa ho fihla ho 3.5MPa, bokaholimo bo koahetsoe ka AL0, lesela le sa senyeheng{2}}, 'me le phela lilemo tse fetang 10, le koahelang litlhoko tsa lisebelisoa tsa boholo bo mahareng tse kang li-air conditioner le lipalangoang tse batang.
Letoto le ikhethileng la Condenser le ikhethileng
E etselitsoe ka ho khetheha bakeng sa liindasteri tse hatselang metsi/li omisa tse batang, 'me letoto lena le na le moralo oa microchannel flat tube multi-o fokotsang molumo oa ho tlatsa ka 50%, o loketseng lihatsetsi tsohle ntle le CO, e khotsofatsang{2}}khatello ea kutu{3}}litlhoko tse sa mamelleheng tsa mokhoa oa ho latella lintho tse batang.
Lihlahisoa tse tšoanang
Condenser ea sehatsetsi se omisang
Sebaka sa kopo: Se omisa sehatsetsi
Condenser ea moea compressor
Sebaka sa kopo: Air compressor
Condenser ea laser chiller
Sebaka sa kopo: Laser chiller
Mocheso o futhumatsang oa oli
Sebaka sa kopo: Lisebelisoa tsa ho futhumatsa oli
Mabaka a kopo e akaretsang
Tšebeliso ea tšimo ea metsi a chiller: Water chiller
Mocheso o futhumatsang oa oli
Sebaka sa kopo: Lisebelisoa tsa ho futhumatsa oli
Condenser ea komporo ea kamore ea ho futhumatsa moea
Sebaka sa kopo: Setsi sa moea sa kamore ea k'homphieutha
Mocheso o futhumatsang oa oli
Sebaka sa kopo: Lisebelisoa tsa ho futhumatsa oli
Malebela:
Mokhoa oa ho Boloka li-Condensers tsa Microchannel ho Chillers bakeng sa Bophelo bo Atolositsoeng ba Ts'ebeletso
Li-microchannel condenser (karolo ea mantlha ea li-chiller) li na le motsoako oa aluminium alloy core o nang le vacuum-brazed flat tubes, microscale flow channel (0.1–2 mm), le{3}}mapheoana a phahameng a teteaneng. Tlhokomelo e nepahetseng ke ea bohlokoa bakeng sa ho boloka sebopeho sa tsona se setle, ho sebetsa hantle ha mocheso, le ho thibela ho bola{5}}lintho tsa bohlokoa bakeng sa ho lelefatsa bophelo ba litšebeletso tsa microchannel heat exchangers (MCHEs). Ka tlase ke tataiso e felletseng ea tlhokomelo e akaretsang mekhoa ea bohlokoa le mantsoe a ikhethileng a MCHE-:
1. Ho Hloekisa Kamehla: Thibela ho Senya Phetisetso ea Mocheso
Mapheo a microchannel le likanale tsa phallo li tloaetse ho koaloa ke lerōle, litšila kapa masala a oli a sehatsetsing, a fokotsang sebaka se sebetsang sa phetisetso ea mocheso le ho eketsa khatello ea khatello.
Ho Hloekisa Bokahohle:Sebelisa-khatello e tlase (Ka tlase ho kapa e lekanang le 300 psi) moea o hatelitsoeng kapa borashe bo bonolo-ho tlosa lithōle ho mapheoana a louvered/lesenke. Bakeng sa li-depositi tse manganga (mohlala, oli, sekala), sebelisa lihloeki tsa pH tse sa nke lehlakore (qoba litharollo tse nang le asiti/alkaline tse senyang li-microchannel tsa aluminium) 'me u li hlatsoe ka metsi a ntšitsoeng. Omisa bokaholimo ba mapheo hantle ho thibela kutu e bakoang ke mongobo-.Hlokomela: Qoba{0}}lijethi tsa metsi tse nang le khatello e phahameng{1}}li ka koba kapa tsa senya mapheoana a microchannel, tsa sitisa moea oa ho phalla le mocheso.
Ka hare Phallo Channel Flushing:Ka selemo le selemo, hlatsoa litselana tsa microchannel ka mochini o hloekisang lihatsetsi o tsamaellanang (mohlala, polyol ester{2}}based cleaners bakeng sa lisistimi tsa R134a/R410A) ho tlosa litšila tsa oli kapa oxide deposits. Laola lebelo la ho phalla ha metsi (Ka tlase ho kapa ho lekana le 10 L/min) ho thibela ho theoha ho feteletseng ho ka senyang -litšupu tse bataletseng tse nang le mabota.
2. Tšireletso ea Corrosion: Sireletsa Aluminium Alloy Core
Aluminium, e leng thepa ea mantlha ea li-cores tsa MCHE, e kotsing ea ho bola (ho tloha mongobo, letsoai{0}}moea o tletseng, kapa litšila tse nang le asiti). Tšireletso e tsoelang pele ke ea bohlokoa:
Tlhokomelo ea ho roala:Lekola lintja tsa kantle tse thibelang-corrosion coatings (mohlala, phenolic resin, epoxy, kapa fluoropolymer coatings) ka kotara. Tšoara libaka tse chehiloeng kapa tse ebotsoeng ka mohatla o lekanang--noa o hanyetsanang le mocheso (botenya ba filimi e ommeng: 20–50 μm) ho koala bokantle ba aluminiamo. Bakeng sa lihatsetsi libakeng tse lebopong la leoatle, sebelisa karolo e 'ngoe e thibelang{9}}letsoai ka selemo.
Taolo ea Mongobo: Netefatsa hore pan ea chiller ea condensate drain ha e koalehe ho thibela metsi a emeng hore a se ke a rothela mokokotlong oa microchannel. Kenya mochini o tlosang humidifier ka kamoreng ea lisebelisoa haeba mongobo o feta 60%{{2}mongobo o phahameng o potlakisa ho bola ha galvanic pakeng tsa mapheoana a aluminium le likhoele tsa sehatsetsi sa koporo.
Corrosion Inhibitors:Eketsa compatible corrosion inhibitors to the chiller's water loop (bakeng sa metsi{0}}cooled microchannel condenser) ho thibela sebopeho le metal oxidation. Khetha li-inhibitors tse se nang-chefo ho aluminium (mohlala, silicate{{5}based inhibitors) ho qoba ho senya mabota a microchannel.
3. Ho Fumana Leak: Boloka Vacuum{1}Manonyeletso a Brazed
Li-condenser tse nyenyane li itšetlehile ka vacuum-mahokelo a brazed pakeng tsa li-tubes tse bataletseng le lihlooho{1}}ho lutla mona ho baka tahlehelo ea sehatsetsi, ho fokotsa ts'ebetso e sebetsang, le tšenyo e ka bang teng.
Teko e tloaelehileng ea Helium Leak:Etsa tlhahlobo ea ho lutla ha helium (boikutlo: Ka tlase kapa ho lekana le 1×10⁻⁹ Pa·m³/s) semi-ka selemo lihokelong tsohle tsa sehatsetsing le vacuum{3}}manonyeletso a brazed. Bakeng sa li-chillers tse kholo, sebelisa mochine o nkehang habobebe oa helium ho skena lihlooho le mapheo-mahokelo a li-tube-tsepamisa libakeng tse atisang ho ba le khatello ea kelello ea mocheso (mohlala, haufi le lihatsetsi tse kenang/mahokelo).
Teko ea ho Bola ha Khatello:Monthly perform a pressure decay test on the refrigerant circuit: Charge the system with dry nitrogen (pressure: 1.5× the design working pressure, typically 2–3 MPa) and monitor for pressure drops over 24 hours. A drop >0.01 MPa e supa ho lutla ho hlokang ho lokisoa hang-hang (mohlala,{3}ho tiisa hape manonyeletso a manyenyane kapa ho chencha li-tubes tse senyehileng).
4. Tlhokomelo ea Ts'ebetso: Qoba ho Tlama le Khatello ea Thermal
Ts'ebetso e sa nepahalang (mohlala, mocheso o feteletseng oa condensing, ho feto-fetoha ha sekhahla sa phallo) ho baka khatello ea mocheso meahong ea microchannel, e lebisang ho mokhathala o kopaneng kapa ho phatloha ha tube.
Tlhokomelo ea Paramethara ea bohlokoa:Fumana ka ho tsoelang pele:
Mocheso o kokobetsang: E boloke e le Ka tlase ho kapa e lekana le 55℃(bakeng sa lisistimi tsa R134a) ho qoba ho chesa ho feta tekano motheo oa aluminium-lithempereichara tse phahameng li fokolisa vacuum{3}}brazed bond.
Ho theoha ha Khatello: Monitor the refrigerant side pressure drop across the microchannel core; a sudden increase (>20% ea motheo) e bonts'a ho koaloa ha mocha oa phallo.
Sekhahla sa Phallo: Boloka litekanyetso tse tsitsitseng tsa sehatsetsing / moea (ho qoba ho phahama ka tšohanyetso) ho thibela metsi a slugging, a ka amang le ho senya menyetla ea microchannel.
Qoba ho Tloha-Ho Kena ha Mongobo oa Cycle:Ha chiller e koetsoe (mohlala, bakeng sa tlhokomelo), boloka sehatsetsing se le tlas'a khatello e ntle (E kholo ho feta kapa e lekana le 0.1 MPa) ka naetrojene e ommeng ho thibela moea o mongobo hore o se ke oa kena ka har'a li-microchannel{3}}mongobo o sebetsana le oli ea sehatsetsi ho etsa asiti e senyang.
5. Mekhoa e Loketseng ea Tlhokomelo: Thibela Tšenyo ea Mechini
Mehaho ea mechine e menyenyane (liphaephe tse tšesaane tse bataletseng, mapheoana a teteaneng) a kotsing ea ho hlaseloa ke mechine-ho bohlokoa ho sebetsana ka hloko:
Safe Disassembly/Assembly:Ha u kena ho condenser, sebelisa lisebelisoa tse nepahetseng tsa ho phahamisa (mohlala, li-clamps tse nang le marang-rang) ho qoba ho koba li-tubes tse bataletseng kapa ho pshatla mapheo a microchannel. Le ka mohla u se ke ua beha lintho tse boima mokokotlong oa MCHE, kaha sena se ka senya likanale tsa phallo ea kahare.
Tlhahlobo e Kopanetsoeng:Nako le kotara, hlahloba botšepehi ba li-brackets le li-vibration dampeners-masakaneng a hlephileng a etsa hore microchannel core e thothomele, e lebisang ho khathala ha manonyeletso a brazed ha nako e ntse e ea. Matlafatsa li-fasteners ho litlhaloso tsa torque ea moetsi (ka tloaelo 8-12 N·m bakeng sa li-brackets tsa aluminium).
Tšebeletso ea Setsebi:Bakeng sa litokiso tse kholo (mohlala, ho nkela li-tubes tse senyehileng, hape{2}}lihlooho tsa brazing), sebelisa litsebi tse koetlisitsoeng ho hlokomela MCHE. Brazing e sa nepahalang e ka thibela li-microchannels kapa ea etsa manonyeletso a fokolang, e khutsufatsang bophelo ba tšebeletso ea condenser.
Ka ho tsepamisa maikutlo ho hlwekiseng kamehla, ho sireletsa kutu, ho lemoha ha dutla, ho beha leihlo ha o dutla, le ho sebetsa ka hloko, o ka lelefatsa bophelo ba tshebeletso ya microchannel condenser nakong ya ho tjhesa{0}}hangata ho tloha dilemong tse 8–10 ho ya ho tse 12–15. Mekhoa ena ha e boloke feela likarolo tsa bohlokoa tsa MCHE (aluminium core, vacuum-manonyeletso a brazed, microscale flow channels) empa hape e boloka tšebetso e nepahetseng ea ho fetisa mocheso, e fokotsang{7}litšenyehelo tsa nako e telele tsa ho chesa.
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