Xov xwm

  • Tau tawm ntawm kev nkag siab yuam kev ntawm "dej condensed"

    Condensed dej, feem ntau hu ua "condensation", yog qhia nyob rau hauv cov kav dej, cua txias panels, vents thiab lwm yam khoom nyob rau hauv cov dej kab los yog txawm dej droplets.Ua rau lub cua yeeb nkab thiab lub hanger yuav tsum tau soaked, lub tuyere dripping dej, tus kab mob. dej ntws, dej ntws ntws ntws...
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  • Common conversion unit rooj rau tub yees

    Common conversion unit rooj rau tub yees

    Common units thiab conversion 1 MW = 1000 KW 1 KW = 1000 W 1 KW = 861Kcal/h = 0.39 P 1 W = 1 J/s 0.1MPa = 1kg/cm2 = 10m mercury column = 100KPa 1 USTR = 3024Kcal/h = 351. (冷量) 1 BTU = 0.252 kcal/h = 1055J 1 BTU/H = 0.252 kcal/h 1 BTU/H = 0.2931W 1 MTU/H = 0.2931KW 1 HP(hluav taws xob) = 0.75KW (hluav taws xob) 1 KW hluav taws xob...
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  • Yuav ua li cas deel nrog impurity nyob rau hauv lub tub yees system?

    Yuav ua li cas deel nrog impurity nyob rau hauv lub tub yees system?

    1.Cov nyhuv dej ntawm lub kaw lus I.Ice ntsaws ntawm expansion valve, ua rau cov kua dej tsis zoo II.Ib feem ntawm cov roj lubricating yog emulsified, txo cov lubrication kev ua tau zoo III.Hydrochloric acid thiab hydrogen fluoride yog generated nyob rau hauv lub refrigerant system, uas tuaj yeem corrode hlau.Thiab nws muaj ...
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  • Qhov zoo thiab qhov tsis zoo ntawm 5 compressors

    Qhov zoo thiab qhov tsis zoo ntawm 5 compressors

    1.Half-sealed piston tub yees compressor Semi-enclosed piston compressors feem ntau yog siv nyob rau hauv txias cia thiab tub yees kev lag luam (kev lag luam cov tub yees txias kuj muaj txiaj ntsig, tab sis tam sim no siv tsis tshua muaj).Lub semi-kaw piston hom txias cia compressor yog ...
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  • Yog vim li cas rau lub cev muaj zog hlawv

    Yog vim li cas rau lub cev muaj zog hlawv

    Yog vim li cas rau lub cev muaj zog hlawv yuav muab faib ua: load, fais fab mov, lub cev muaj zog rwb thaiv tsev, lub neej ntawd theem 1.Default theem Vim li cas: Feem ntau yog vim tsis muaj theem fais fab.(1 theem unsupplyed los yog tsis txaus mov voltage).Los yog lub contactor tiv tauj point. nyob rau hauv kab tsis raug kaw.Cov hlau txuas poi...
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  • Thermoplastic composites yog nrov nyob hauv Europe

    Thermoplastic composites yog nrov nyob hauv Europe

    Raws li tsab ntawv tshaj tawm kev lag luam tawm los ntawm Lucintel, Cov khoom siv thermoplastic hauv European cov khoom siv khoom lag luam xav tias yuav loj hlob ntawm qhov sib xyaw txhua xyoo kev loj hlob ntawm 2% txij xyoo 2017 txog 2022.Nws tuaj yeem ncav cuag $ 1.2 nphom los ntawm 2022.In the European market for consumer goods. , Lub sijhawm rau thermop...
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  • Yog vim li cas teem roj rov tube

    Yog vim li cas teem roj rov tube

    1.Vim li cas teem roj rov qab raj?Thaum muaj qhov sib txawv qhov siab loj hauv cov kav dej ntawm lub cev, txhawm rau tiv thaiv cov roj tub yees kom tsis txhob rov qab mus rau lub compressor zoo thiab cuam tshuam rau lub neej kev pab cuam ntawm lub compressor, cov roj cia raj yuav tsum tau teem rau ntawm txoj kab ntsug.&nb...
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  • Cov roj khov tsis zoo ua rau lub compressor puas

    Cov roj khov tsis zoo ua rau lub compressor puas

    1.Viscosity ntawm cov roj khov: Cov roj khov muaj qee yam viscosity kom cov kev sib txhuam ntawm cov khoom txav mus rau hauv lub xeev lubrication zoo, kom nws tuaj yeem ua ib feem ntawm cov cua sov los ntawm compressor thiab ua lub luag haujlwm sealing.Cov roj ua haujlwm ntawm ob qhov kub siab: Compressor tso valve tempera ...
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  • Resin processing nqi skyrocketed

    Resin processing nqi skyrocketed

    Raws li daim ntawv ntsuam xyuas ntawm cov tswv cuab ntawm lub koom haum Nyiv Plastics kev lag luam txij lub Plaub Hlis Ntuj mus rau Lub Rau Hli 2018, kev tsim khoom thiab muag khoom tau nce txij lub Ib Hlis mus txog Lub Peb Hlis. Ntawm ib sab, qhov "upturn" nyob rau hauv tus nqi xam tau txo thiab "deterioration" nce...
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  • Yuav ua li cas tshem tawm nplai hauv plhaub - raj condenser

    Yuav ua li cas tshem tawm nplai hauv plhaub - raj condenser

    Muaj peb txoj hauv kev los tiv thaiv thiab tshem tawm cov nplai: 1. Mechanical descaling method: mechanical descaling is a method of descaling the condenser of steel cooling tube with a soft shaft pipe washer, tshwj xeeb tshaj yog rau ntsug plhaub thiab raj condenser.Txoj kev ua haujlwm: ⑴ Tshem tawm cov tub yees los ntawm ...
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  • Kev paub txog cov roj tub yees

    Kev paub txog cov roj tub yees

    Kev faib tawm ntawm cov roj tub yees Ib yog cov roj ntxhia ib txwm muaj;Lwm yam yog hluavtaws polyethylene glycol esters xws li PO, Polyester roj kuj yog hluavtaws polyethylene glycol lubricating roj.POE roj yuav siv tsis tau tsuas yog nyob rau hauv HFC refrigerant system, tab sis kuj nyob rau hauv hydrocarbon refrigerant.PAG roj ca ...
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  • Cov yam ntxwv ntawm cov tub yees siv feem ntau

    Cov yam ntxwv ntawm cov tub yees siv feem ntau

    1.Refrigerant R22: R22 yog ib yam kub, nws tus qauv boiling point ntawm 40.8 ° C, dej solubility nyob rau hauv lub R22 yog heev me me, thiab ntxhia roj yaj ib leeg, R22 tsis hlawv, tsis yog tawg, toxicity yog me me, R22 kev tshawb nrhiav muaj peev xwm muaj zog heev, thiab cov xau tsis yooj yim nrhiav.R...
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