Microchannel Heat Exchanges (MCHEs): Canza CRAC Condensers don Ingantaccen Cibiyar Bayanai

Don cibiyoyin bayanai, Condeners na Room Room Air Conditioner (CRAC) ana yin {{0}ko{1}} karya don kiyaye aikin uwar garken da rage PUE (Ingantacciyar Amfani da Wuta). Bututun gargajiya -Masu musayar zafi sau da yawa suna raguwa{4}} suna da girma, marasa inganci, kuma suna da girma- kulawa. ShigaMicrochannel Heat Exchanges (MCHEs): wanda aka ƙera shi da tashoshi masu kwararar microscale (0.1-2 mm), haɗaɗɗen duk -tsarin aluminum, da vacuum brazing, MCHEs suna warware waɗannan maki zafi yayin da suke ba da ƙima mai mahimmanci don ayyukan cibiyar bayanai. A ƙasa ga yadda suke fice, tare da tweaks na al'ada waɗanda ke haɓaka tasirin su.

Babban Fa'idodin Aikace-aikacen: Warware Babban Mahimman Ciwo na Cibiyar Bayanai

MCHEs ba kawai suna "inganta" akan na'urori na gargajiya ba - suna sake fayyace abin da zai yiwu ga cibiyoyin bayanan da aka mayar da hankali kan inganci, sarari, farashi, da aminci.

1. 30-50% Ƙarfin Canja wurin Zafi=Ƙananan PUE

Cibiyoyin bayanai suna gwagwarmaya don kiyaye PUE ƙasa da 1.3- kuma MCHEs makamin sirri ne. Tashoshin su na microscale suna haifar da ƙayyadaddun yanki na musamman (200-350 m²/m³, 2–3x na bututu{15}}ƙirar fin), tilasta masu refrigerants (kamar R134a ko R410A) cikin kwararar tashin hankali mai ƙarfi (Lambar Reynolds Re> 2300). Wannan yana rage juriya na thermal, yana tura madaidaicin canja wurin zafi zuwa 400-600 W/(m²·K) (vs. 200-300 W/(m²·K) don tube-fin).

Abin da wannan ke nufi a gare ku: Don nauyin sanyaya mai nauyin 100 kW, MCHEs sun yanke zafin zafin jiki da digiri 3-5. Kowane ɗigon digiri 1 yana rage amfani da ƙarfin kwampreso da 2-3%, yana fassara zuwa 25-35% ƙananan yawan kuzarin CRAC. Don cibiyar bayanai na 1000 m², shine 30,000–42,000 kWh a cikin tanadin wutar lantarki na shekara{15}} kuma PUE ya ragu daga 1.4 zuwa ƙasa 1.25.

Cikakke don: Babban{0}} cibiyoyin bayanai masu yawa (yawan ƙarfi> 300 W/m²) ko sabunta tsoffin raka'o'in CRAC (babu buƙatar faɗaɗa sarari don haɓaka sanyaya).

2. 30-50% Karami, 40-60% Mai Sauƙi: Ajiye sararin Cibiyar Bayanai

Wurin bene na cibiyar bayanai yana da tsada -kuma bututun gargajiya{1}} fin condensers suna bata shi. MCHEs' all -aluminum flat-tube + hadedde fin design yana kawar da manyan lankwasa tagulla da filayen fin da ke kumbura bututu{6}} samfura.

Don saitin iska mai sanyi 100 kW{1}:

Ƙarar: MCHEs suna ɗaukar ~0.8 m³ (vs{1}}-1.3 m³ don bututu{3}}fin), dacewa cikin sauƙi a ɓangarorin tarako ko kusurwoyi.

Nauyi: A ~80 kg (vs . 150 kg don tube -fin), MCHEs sun dace don rukunin CRAC na saman rufin - suna rage nauyin gini kuma suna yanke farashin shigarwa (babu kayan ɗagawa da ake buƙata).

3. 50-70% Karamin Refrigerant: Yanke Kudade & Haɗu da Dokokin Muhalli

Na'urorin firji kamar R410A suna da tsada kuma ana tsara su (godiya ga EU ta F{1} Dokokin Gas da China'sKore da Ƙananan -Kimanin Ƙimar Carbon don Cibiyoyin Bayanai). Ƙananan ƙaramar tashar MCHEs (1/3-1/2 na bututu{5}}fin) yana yanke buƙatun firiji:

Tsarin 100 kW da ke amfani da R410A yana buƙatar kilogiram 2.5-3.5 na refrigerant kawai (vs{4}}–10kg don bututu{6}}fin){7}}ajin ~300-390 CNY kowace raka'a gaba.

Ƙananan maki (ƙasa da 40% ƙasa da bututu{1}}fin, godiya ga haɗaɗɗen rubutun kai) yana nufin ƙananan haɗarin muhalli kuma babu farashi mai tsadar firji{2}} sama.

4. Juriya na Lalata & MTBF na Sa'a 10,000: Ci gaba da Gudun CRACs 24/7

Cibiyoyin bayanai suna aiki ba tsayawa{0}}kuma lokacin hutu yana da bala'i. Bututun gargajiya - fin condensers suna kasawa da wuri saboda lalatawar jan karfe{3}}aluminum galvanic corrosion, amma MCHEs an gina su don ɗorewa:

Tsarin da ba shi da ƙarfi: Vacuum brazing yana kawar da "takar jan karfe{0}}aluminum" (babban tsokanar lalata).

Rubutun al'ada: Epoxy ko polytetrafluoroethylene coatings (20-50 μm lokacin farin ciki) yana haɓaka juriya na feshin gishiri daga sa'o'i 500 zuwa sama da 1500 hours.

Sakamakon? MTBF (Ma'anar Lokacin Tsakanin gazawa) ya kai awoyi 10,000 -kusan ninki biyu na bututu{3}} (hotuna 5,000-6,000). Karancin kulawa=ƙarancin lokaci don cibiyar bayanan ku.

Daidaitawar Fasaha ta Musamman: Yi MCHEs Aiki don CRAC ɗin ku

MCHEs ba "sauke{0}}a" ba ne-suna buƙatar tweaks don dacewa da buƙatun CRACs na musamman. Ga yadda muke inganta su don cibiyoyin bayanai:

1. Zane mai wayo don Canjin Load & Karancin Surutu

Multi{0}} tashoshi na wucewa: Ma'aikaci yana ɗaukar nauyi da rana kuma yana raguwa da dare. MCHEs suna amfani da tashoshi masu gudana na sashe na 2-4, waɗanda aka haɗa tare da bawul ɗin faɗaɗa na lantarki, don daidaita kwararar firji: cikakken ƙarfin kololuwa, ƙarfin juzu'i don lulls. Wannan yana guje wa "ƙananan -rashin inganci" wanda ke addabar ma'aunin ma'aunin wucewa na gargajiya-.

Natsuwa finsCibiyoyin bayanai suna buƙatar ƙara ƙasa da ko daidai da 60 dB (A). MCHEs suna amfani da kunkuntar ƙuƙumma masu ƙugiya (1.8-2.2 mm tazara) da ƙananan magoya bayan iska (1.5-2.0 m/s) -yanke hayaniya ta 3-5 dB (A) vs. tube - fin, don haka (aiki da kiyayewa) ƙungiyoyi suna aiki ba tare da damuwa ba.

2. (Lalata & Clogging Kariya): An Gina don Mahalli na Cibiyar Bayanai

Kura, hayakin batirin UPS, da ƙorafin ruwa sune haɗarin cibiyar bayanai{0}}MCHEs suna magance su kan gaba{1}}:

Dual{0}}Layer anti-lalacewa: Chromate passivation (5-10 μm) yana ƙarfafa mannewa, yayin da babban Layer epoxy (20-30 μm) yana toshe kafofin watsa labarai masu lalata. Gwaje-gwaje sun nuna yana tsayayya da tsatsa sama da shekaru 8 a cibiyoyin bayanai.

Ruwa{0} gyare-gyaren toshewar gefe (don ruwa{1}} sanyayayyu CRACs): Tashoshin MCHE (1-2 mm) suna da wuyar yin ƙima{2}} don haka mu ƙara:

100-raga bakin karfe tace masu shiga tarko.

Tashoshi masu ɗorewa (mashigin mm 1 → 1.5 mm outlet) don rage kwarara - ƙimar ƙimar da ke haifar da sikeli.

Abinci -masu hana sikelin daraja (misali, polycarboxylic acid) don tsawaita tazarar tsaftacewa zuwa watanni 12 (kasan . 6 watanni na bututu{5}}fin).

3. Haɗin CRAC maras kyau: Babu Sharar gida, Babu Leaks

MCHEs suna aiki mafi kyau idan aka haɗa su tare da tsarin CRAC{0}} muna haɓaka kowace haɗi:

Fan daidaitawa: MCHE fins suna da 15-20% ƙananan juriyar iska fiye da bututu{2}} fin. Muna amfani da ƙananan magoya bayan matsatsi (50-80 Pa) da ƙananan gudu a ƙasa da ko daidai da 1400 rpm don adana makamashi ba tare da sadaukar da sanyaya ba.

Leak{0}}asashen hujja: Haɗe-haɗen masu kai sun yanke ƙidayar mu'amala daga 8-12 (tube{2}}fin) zuwa 2-4. Biyu - hatimin ferrule suna kiyaye ɗigo ƙasa da ko daidai da 1×10⁻⁹ Pa·m³/s (kowace gwajin leak ɗin helium)-mahimmanci don amincin firji.

Me yasa MCHEs Shin makomar CRAC Condensers

Don cibiyoyin bayanai, MCHEs ba kawai mafi kyawun musayar zafi ba ne{0}} hanya ce ta cimma burin dorewa, rage farashi, da kiyaye sabar tana gudana cikin dogaro. Ko kuna gina babban wurin aiki mai yawa - ko haɓaka tsofaffin CRACs, MCHEs suna ba da inganci, ajiyar sarari, da dorewa da kuke buƙatar ci gaba da yin gasa.

Shin kuna shirye don canza na'urorin ku na CRAC? Bincika yadda MCHEs zasu iya rage PUE ɗin ku kuma su haɓaka aikin cibiyar bayanan ku a yau.

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