Cyclopentane (C₅H₁₀) thiab R600a (isobutane, C₄H₁₀) yog ob qho tib si hydrocarbons, tab sis lawv lub luag haujlwm hauv lub tub yees yog txawv kiag li. Cyclopentane yog tus neeg sawv cev tshuab, siv los tsim cov khoom ua npuas dej hauv lub tub yees txheej txheej. R600a yog lub tub yees, lub luag haujlwm rau kev ncig ntawm cov kav dej los muab cov cua txias. Qhov sib txawv loj tshaj plaws ntawm ob qhov lus dag hauv lawv cov ntsiab lus kub: Cyclopentane muaj qhov kub ntawm 49.3 degree, volatilizing nyob rau hauv qhov kev txiav txim ntawm foaming cov tshuaj tiv thaiv tshav kub kom kaw - cell npuas hauv polyurethane. R600a muaj qhov kub ntawm -11.7 degree, evaporating thiab nqus cua sov hauv lub tub yees. Hais txog kev ua haujlwm ib puag ncig, ob qho tib si muaj ODP ntawm 0 (tsis txhob deplete ozone txheej) thiab GWP ze rau xoom. Raws li thaum ntxov xyoo 2007, Tuam Tshoj txoj kev lag luam tub yees twb tau txais qhov "kub ua ke" ntawm qhov loj. Nanjing ZL Energy Co., Ltd. tsom mus rau kev tshawb fawb thiab kev tsim cov khoom siv hydrocarbon thiab tuaj yeem muab cov khoom siv high-purity cyclopentane thiab R600a (isobutane).
1. Teb ncaj nraim - Lub luag hauj lwm sib txawv
Cyclopentane yog lub tshuab tshuab, thiab isobutane (R600a) yog cov tub yees. Ob qho tib si muaj kev faib tawm ntawm kev ua haujlwm hauv lub tub yees, txhua tus ua nws txoj haujlwm.
Qhov no yog lub ntsiab lus tsis meej pem rau ntau tus tsis yog{0}}cov kws tshaj lij. Txawm hais tias cyclopentane thiab R600a (isobutane) ob leeg koom nrog tsev neeg hydrocarbon thiab ob qho tib si muaj kev ua haujlwm zoo ib puag ncig (ODP=0, GWP ze rau xoom), lawv lub luag haujlwm hauv kev tsim khoom siv hauv tsev yog txawv kiag li.
Raws li cov ntaub ntawv los ntawm Tuam Tshoj Cov Khoom Siv Hluav Taws Xob Hluav Taws Xob, Tuam Tshoj txoj kev lag luam tub yees tau xaiv qhov qis - carbon thev naus laus zis ntawm "isobutane (R600a) refrigerant thiab cyclopentane blowing agent" rau kev hloov cov tub yees. Qhov kev sib xyaw ua ke no tau dhau los ua cov kev daws teeb meem tseem ceeb rau kev tsim cov tub yees thoob ntiaj teb.
| Sib piv Dimension | Cyclopentane | R600a (Isobutane) |
|---|---|---|
| Lub npe Askiv | Cyclopentane | Isobutane |
| Tshuaj Formula | C₅H₁₀ | C₄H₁₀ |
| CAS Nr | 287-92-3 | 75-28-5 |
| Lub luag haujlwm hauv tub yees | Tshuab tshuab | Cov tub yees |
| Qhov chaw | Txee rwb thaiv tsev txheej (hauv polyurethane ua npuas ncauj) | Compressor, condenser, evaporator kav |
| Boiling Point | 49.3 degree | -11.7 ° C |
| Txoj Cai Ua Haujlwm | Lub cev foaming - cov tshuaj tiv thaiv tshav kub ua rau nws volatilize, tsim kaw- cell npuas hauv npuas | Compression-condensation-throttling- evaporation voj voog, nqus cua sov thaum evaporation |
| Muaj nuj nqi | Tsim ib txheej rwb thaiv tsev, txo qhov poob ntawm qhov txias | Active tub yees, txo qhov kub thiab txias |
| ODP | 0 | 0 |
| GWP | Ze rau 0 | Ze rau 0 |
2. Qhov Tseem Ceeb Qhov txawv - Foaming Principple vs. Refrigeration Principple
Cyclopentane tsim npuas npuas los ntawm lub cev foaming, thaum R600a thauj cov cua sov los ntawm kev hloov pauv theem - cov qauv kev ua haujlwm ntawm ob qhov sib txawv kiag li.
2.1 Foaming Principple of Cyclopentane
Cyclopentane yog ntxiv rau polyurethane raw cov ntaub ntawv thaum lub sij hawm tsim tub yees. Thaum cov polyol thiab isocyanate tau txais cov tshuaj tiv thaiv polymerization, lub tshav kub tso tawm los ntawm cov tshuaj tiv thaiv ua rau cyclopentane vaporize thiab nthuav, tsim suav tsis txheeb zoo npuas hauv cov kua polymer. Tom qab ua npuas ncauj solidifies, cov npuas no yog nyob rau hauv lub polyurethane, tsim ib tug kaw - cell qauv.
Cov hlwb kaw no yog qhov tseem ceeb rau kev rwb thaiv tsev thermal - thermal conductivity ntawm cyclopentane roj hauv cov hlwb qis dua li cov huab cua thiab cov khoom polyurethane, zoo thaiv qhov tsis txias.
2.2 Txoj Cai Tub Txias ntawm R600a
R600a (isobutane) circulates los ntawm lub tub yees system, ua plaub theem:
| Theem | Txheej txheem |
|---|---|
| Compression | Lub compressor compresses R600a gas rau hauv siab -kub, siab - pa roj |
| Condensation | Cov roj condenses thiab liquefies nyob rau hauv lub condenser, tso cua sov |
| Throttling | Cov kua R600a dhau los ntawm lub raj capillary, txo qhov siab thiab kub |
| Evaporation | Tsawg-kub, qis- cov kua R600a nqus cua sov thiab vaporizes hauv cov evaporator, tshem tawm cov cua sov hauv lub txee |
Lub vaporized R600a rov qab mus rau lub compressor pib lub voj voog tom ntej.
2.3 Boiling Point Difference txiav txim Division of Labor
Qhov sib txawv loj hauv cov ntsiab lus kub ntawm ob qho ncaj qha txiav txim siab lawv lub luag haujlwm sib txawv hauv lub tub yees:
| Tshuaj | Boiling Point | Lub hauv paus ntsiab lus ntawm kev ua hauv tub yees |
|---|---|---|
| Cyclopentane | 49.3 degree | Volatilizes nyob rau hauv qhov kev txiav txim ntawm foaming tshuaj tiv thaiv tshav kub (kwv yees li 70-100 degree), haum rau cov txheej txheem foaming |
| R600a | -11.7 ° C | Tseem tuaj yeem evaporate thiab nqus cua sov ntawm qhov kub ntawm cov evaporator (hauv qab -18 degree), haum rau lub voj voog tub yees |
Lub boiling point ntawm cyclopentane ntawm 49.3℃yog txoj cai rau nws mus vaporize nyob rau hauv qhov kev txiav txim ntawm foaming tshuaj tiv thaiv tshav kub. Qhov kub ntawm R600a ntawm -11.7℃tso cai rau nws tseem ua tau zoo evaporate thiab nqus cua sov ntawm lub freezer compartment kub.
3. Environmental Performance - Ob leeg yog "Environmental Pioneers"
Ob lub cyclopentane thiab R600a muaj cov yam ntxwv ib puag ncig ntawm ODP=0 thiab GWP ze rau xoom, thiab paub tias yog "cov kua dej ua haujlwm ntuj."
Hauv xyoo 2007, Tuam Tshoj txoj kev lag luam tub yees tau ua tiav tag nrho CFC-11 (tus neeg sawv cev tshuab) thiab CFC-12 (cov tub yees). Hauv kev xaiv txoj kev hloov tshuab thev naus laus zis, Tuam Tshoj cov tuam txhab tub yees tsis ua raws li txoj hauv kev coj los ntawm qee lub tebchaws - lawv tsis tau xaiv qhov hloov pauv HFC-134a refrigerant thiab HCFC-141b tshuab tshuab. Hloov chaw, lawv ncaj qha tau txais kev hloov pauv qhov kawg ntawm R600a refrigerant thiab cyclopentane tshuab tshuab.
Cov txheej txheem thev naus laus zis ntawm R600a tub yees thiab cyclopentane tshuab tshuab tus neeg sawv cev xaiv los ntawm Tuam Tshoj txoj kev lag luam tub yees txo qis cov pa hluav taws xob hauv tsev cog khoom thoob plaws tag nrho cov txheej txheem ntawm lub tub yees tsim, siv, tu, thiab pov tseg. GWP (Lub Ntiaj Teb Warming Potential) ntawm ob yam khoom tseem ceeb yog xoom, ua qhov tseem ceeb rau kev txo qis hauv ntiaj teb cov pa roj carbon monoxide.
| Cov khoom sib piv | Cyclopentane | R600a |
|---|---|---|
| ODP (Ozone Depletion Potential) | 0 | 0 |
| GWP (Lub Ntiaj Teb Warming Potential) | Kwv yees li 20 | Kwv yees li 20 |
| Environmental Attribute | Ntuj ua hauj lwm kua | Ntuj ua hauj lwm kua |
| Txoj Cai Ua Raws Cai | EU F-gas raws | EU F-gas raws |
4. Daim Ntawv Thov Scenarios - Lub "Golden Combination" Ua Haujlwm Ua Ke
Hauv CFC-dawb ib puag ncig tus phooj ywg lub tub yees, cyclopentane thiab R600a ua haujlwm ua ke ua haujlwm kom ua tiav kev ua haujlwm siab thiab txuag hluav taws xob.
Nyob rau hauv ib txwm CFC-free ib puag ncig tus phooj ywg lub tub yees, cov tub yees thiab tshuab tshuab yog raws li nram no:
| Lub tub yees Component | Khoom siv | Muaj nuj nqi |
|---|---|---|
| Tub yees Cycle System | R600a (isobutane) tub yees | Active tub yees, txo qhov kub thiab txias |
| Txee Insulation Txheej | Cyclopentane tshuab tshuab | Tsim kaw- cell foam, thaiv qhov tsis txias |
Tom qab Suav cov tuam txhab tub yees tau xaiv qhov "kub sib xyaw ua ke," lawv cov khoom lag luam 'kev sib tw thoob ntiaj teb tau nce ntxiv.
5. Chaw tsim tshuaj paus Advantage - Nanjing ZL Energy Co., Ltd.
Nanjing ZL Energy Co., Ltd. tshwj xeeb hauv kev muab siab -purity cyclopentane (tus neeg sawv cev tshuab) thiab R600a (isobutane refrigerant), muab ib qho - nres hydrocarbon cov tshuaj tov rau cov tub yees.
| Khoom | Siv | Purity | Ntim Specifications |
|---|---|---|---|
| Cyclopentane | Polyurethane tshuab tshuab | Ntau dua lossis sib npaug li 99.5% | Lub tog raj kheej, ISO tank, tank tsheb |
| R600a (Isobutane) | Cov tub yees | Ntau dua lossis sib npaug li 99.5% | Lub tog raj kheej, tank tsheb |
Kev cia siab rau nws txoj kev sib koom ua ke C5 tus nqi saw zoo, Nanjing ZL Energy Co., Ltd. ua kom cov khoom lag luam ruaj khov, ua tau raws li tus neeg sawv cev tshuab thiab cov tub yees xav tau ntawm lub tub yees, lub tub yees, thiab cov saw txias, pab cov neeg siv khoom ua tiav ob lub hom phiaj ntawm kev tiv thaiv ib puag ncig thiab txo nqi.
Xaus
Txawm hais tias cyclopentane thiab R600a yog ob qho tib si hydrocarbons thiab ob qho tib si muaj cov yam ntxwv ntawm ib puag ncig ntawm ODP=0 thiab GWP ze rau xoom, lawv lub luag haujlwm hauv lub tub yees sib txawv kiag li - cyclopentane yog tus neeg sawv cev tshuab, lub luag haujlwm tsim cov npuas hauv txheej rwb thaiv tsev; R600a yog lub tub yees, lub luag haujlwm rau kev ncig ntawm cov kav dej los muab cov cua txias. Qhov "golden ua ke" no tau siv nyob rau hauv Tuam Tshoj txoj kev lag luam tub yees rau ntau tshaj nees nkaum xyoo, ua tus qauv kev rau Tuam Tshoj los ua tus thawj coj hauv kev ua tiav qhov kawg hloov ntawm CFCs. Qhov sib txawv ntawm lawv cov ntsiab lus kub (cyclopentane 49.3℃vs. R600a -11.7 degree) txiav txim siab lawv qhov kev faib ua haujlwm tsis tuaj yeem hloov pauv hauv cov txheej txheem sib txawv.
Yog xav paub ntxiv txog cyclopentane tshuab tshuab lossis isobutane R600a cov khoom siv tub yees tus nqi thiab kev sib tham, thov hu rau peb.
