Cikakken ilimin man firiji

Rarraba man firji

Daya shine man ma'adinai na gargajiya;

Sauran shi ne roba polyethylene glycol esters irin su PO, Polyester man ne kuma roba polyethylene glycol lubricating oil.POE man za a iya amfani ba kawai a HFC refrigerant tsarin, amma kuma a hydrocarbon refrigerant.PAG man fetur za a iya amfani da HFC, hydrocarbon da ammonia. tsarin a matsayin refrigerant.

Babban aikin man fetur na firiji

· Rage aikin gogayya, zafi mai zafi da lalacewa

Cika wurin rufewa da mai don tabbatar da aikin rufewa da kuma hana zubar da firiji

Motsin mai yana kawar da barbashi da ke haifar da gogayya ta ƙarfe, don haka yana tsaftace farfajiyar jujjuyawar

· Samar da wutar lantarki don injin saukewa

Bukatun aiki don man firji

· Dankin da ya dace: dankowar man injin firiji ba wai kawai yana tabbatar da cewa juzu'i na kowane bangare na motsi yana da mai kyau ba, amma kuma yana cire wani zafi daga injin refrigerating kuma yana taka rawar rufewa. na mafi girma solubility ga man na'urar refrigerating, man da mafi girma danko ya kamata a yi la'akari da shawo kan tasirin man diluted da refrigerant.

Ƙananan maras tabbas, babban madaidaicin walƙiya: adadin canjin mai daskarewa ya fi girma, tare da sake zagayowar refrigerant, adadin mai shine, ƙari don haka juzu'in mai firiji mai kunkuntar kewayon filasha shima ya kamata ya kasance sama da zafin jiki na injin sama da 25 ~ 30 ℃.

· Kyakkyawan kwanciyar hankali na sinadarai da kwanciyar hankali na thermal oxidation: a cikin na'ura mai jujjuyawa ta ƙarshe na injin sanyaya aiki zafin jiki shine 130 ℃ ~ 160 ℃, zafin zafin mai daskararre da bazuwar metamorphism na yau da kullun, yana haifar da ajiyar carbon a cikin injin injin daskarewa da lalacewa. Bugu da ƙari, da bazuwar. samfurori na mai za su amsa tare da refrigerant, wanda zai sa tasirin sanyaya ya fi muni, kuma sakamakon acid zai lalata sassan firiji.

Babu ruwa da ƙazanta: saboda daskarewar ruwa a cikin magudanar ruwa zai yi tasiri ga aikin dumama, haɗuwa da firij ɗin zai hanzarta bazuwar na'urar da lalata kayan aiki, don haka man na'urar ba zai iya ɗaukar ruwa da ƙazanta ba.

Sauran: Man firjin shi ma ya kasance yana da kyawawan kayan da zai hana kumfa, kar ya narke ko kuma ya fa]a shi zuwa roba, wayoyi da aka yi masa lankwasa da sauran kayan, a yi amfani da insulation mai kyau a cikin na'urar sanyaya firiji.

Abubuwan da za a yi la'akari da su wajen zabar man firji

Dankowa: mafi girman saurin kwampreso, mafi girman dankowar man firji ya kamata ya kasance.

· Tsawon yanayin zafi: Ana auna kwanciyar hankali ta thermal gabaɗaya ta wurin walƙiya na man injin daskararre.Flash point yana nufin yanayin zafin da tururin man injin ɗin ke walƙiya bayan an gama dumama. na kwampreso shaye zafin jiki, kamar R717, R22 kwampreso ta yin amfani da firiji mai filashi batu ya zama sama da 160 ℃.

· Ruwa: man injin firiji yakamata ya sami ruwa mai kyau a ƙananan zafin jiki.A cikin evaporator, saboda ƙananan zafin jiki da ƙãra danko na mai, ruwa zai zama mara kyau.Lokacin da man na'urar refrigerating ya kai wani yanayin zafi, zai daina gudana, ana buƙatar wurin daskarewa na man injin ɗin ya zama ƙasa, musamman wurin daskarewar man na'urar cryogenic yana da matukar muhimmanci.

· Solubility: nau’in firji da man firji daban-daban, wanda kusan za a iya raba shi zuwa kashi uku: daya ba ya narkewa, dayan kuma ba ya narkewa, dayan kuma yana tsakanin wadannan biyun na sama.
·Turbidity point: yanayin zafin da man firji ya fara zubo paraffin (man ya zama turbid) ana kiransa turbidity point.Lokacin da refrigerant ya kasance, wurin turbidity na man firij zai ragu.

Babban dalilin tabarbarewar man firji
· Hada ruwa: saboda kutsawar iska a cikin na'ura mai sanyi, ana hada ruwan da ke cikin iska tare da man injin da ke sanyaya bayan an hadu da shi. man firiji, danko yana raguwa kuma karfe ya lalace. A cikin tsarin sanyi na freon, "toshe kankara" kuma ana haifar da shi.
· Oxidation: lokacin da ake amfani da mai na refrigerating, lokacin da yawan zafin jiki na compressor ya yi yawa, yana iya haifar da lalacewa, musamman ma mai sanyaya tare da rashin kwanciyar hankali na sinadarai, wanda ya fi dacewa da lalacewa.A cikin wani lokaci, za a samar da ragowar a cikin man da ke sanyaya, wanda zai haifar da lubrication na bearings da sauran wurare don lalacewa.Haɗin kayan aikin kwayoyin halitta da najasa na inji a cikin man na'ura mai firiji zai kuma hanzarta tsufa ko oxidation.
·Haɗin man injin firji: idan aka yi amfani da man na’ura iri-iri iri-iri tare, za a rage dankon man injin ɗin, har ma samuwar fim ɗin mai zai lalace.
Idan nau'in mai na'ura mai sanyaya abubuwa guda biyu ya ƙunshi nau'ikan abubuwan da ake ƙara anti-oxidation daban-daban na kaddarorin daban-daban, idan aka haɗa su wuri ɗaya, canjin sinadarai na iya faruwa kuma za'a samu hazo, wanda zai shafi lubrication na compressor.Saboda haka, ya kamata a kula da lokacin amfani.

·Akwai najasa a cikin man firji

Yadda ake zabar man firji

Zabi mai mai mai gwargwadon nau'in matsawa: compressor na injin firiji yana da nau'ikan piston, screw da centrifugal iri uku.Nau'o'i biyu na farko na man shafawa suna hulɗa kai tsaye tare da na'urar da aka matsa, la'akari da hulɗar tsakanin mai da mai da refrigerant. Ana amfani da man Centrifugal ne kawai don shafan rotor bearing.Hakanan za'a iya zaɓar shi gwargwadon nauyi da sauri.

Zaɓan mai mai mai gwargwadon nau'in firiji: man mai mai da ke hulɗar kai tsaye tare da na'urar ya kamata yayi la'akari da hulɗar da ke tsakanin su biyu. Misali, refrigerant kamar freon na iya narke a cikin man ma'adinai, don haka darajar danko na zaɓaɓɓen lubricating. man ya kamata ya fi na injin da ba zai iya narkewa ba daraja daya, ta yadda za a hana man da ake shafawa ya kasa tabbatarwa bayan an shafe shi.Bugu da kari kuma, ya kamata a lura cewa dan kankanin man da ake hadawa da firji zai yi tasiri ga aiki na tsarin refrigeration.The flocculation batu na refrigerating inji man ne ingancin index don duba ko lubricating man da aka haɗe da refrigerant iya precipitate kakin zuma crystal da kuma toshe refrigeration tsarin.
Zaɓan mai mai mai gwargwadon yanayin ƙanƙara na refrigerant: gabaɗaya magana, injin daskarewa tare da ƙarancin zafin jiki ya kamata ya zaɓi mai mai sanyi tare da ƙarancin daskarewa, don guje wa lubricating mai da ke ɗauke da refrigerant zuwa tsarin refrigeration daga haɗakarwa a kan magudanar ruwa. bawul da evaporator, yana shafar ingancin firiji.
Wurin daskarewa na man mai da ake amfani da shi a cikin na'urar sanyaya ammonia yakamata ya zama ƙasa da yanayin ƙanƙara.
Inda ake amfani da freon azaman mai sanyaya, wurin daskarewa na man mai na iya zama ɗan sama sama da zafin da ake fitarwa.
Zabi mai mai mai gwargwadon yanayin aiki na injin daskarewa.

HERO-TECH yana amfani da babban matakin kawaimai firiji.Duk sassan chillers ɗinmu suna da inganci, iri ɗaya ne ga mai sanyi.Muna buƙatar mai mai sanyi mai kyau don tallafawa tsayayye da tsayin daka na injin.

Don haka, amince da HERO-TECH, amince da ƙwararren sabis na refrigeration.