Formaldehyde Test Specimen Balance Pretreatment Constant Temperature and Humidity Chamber

Lub equilibrium pretreatment tas li kub thiab av noo chamber rau formaldehyde kuaj cov qauv yog ib tug xeem cov cuab yeej tsim tshwj xeeb uas tsim rau 15-hnub pretreatment yuav tsum tau ntawm cov qauv phaj nyob rau hauv GB18580-2017 thiab GB17657-2013 qauv. Cov cuab yeej no yog nruab nrog ib qho khoom siv thiab ntau lub chaw ib puag ncig. Nyob rau tib lub sijhawm, cov qauv sib npaug ua ntej ua tiav ntawm cov qauv sib txawv (tus naj npawb ntawm cov chav ib puag ncig tuaj yeem raug kho raws li qhov chaw thiab cov neeg siv khoom xav tau). Tus naj npawb ntawm cov chav kuaj muaj plaub tus qauv: 4 cabins, 6 cabins, thiab 12 cabins.

1. Lub hom phiaj thiab siv Scope
Lub equilibrium pretreatment tas li kub thiab av noo chamber rau formaldehyde kuaj cov qauv yog ib tug xeem cov cuab yeej tsim tshwj xeeb uas tsim rau 15-hnub pretreatment yuav tsum tau ntawm cov qauv phaj nyob rau hauv GB18580-2017 thiab GB17657-2013 qauv. Cov cuab yeej no yog nruab nrog ib qho khoom siv thiab ntau lub chaw ib puag ncig. Nyob rau tib lub sijhawm, cov qauv sib npaug ua ntej ua tiav ntawm cov qauv sib txawv (tus naj npawb ntawm cov chav ib puag ncig tuaj yeem raug kho raws li qhov chaw thiab cov neeg siv khoom xav tau). Tus naj npawb ntawm cov chav kuaj muaj plaub tus qauv: 4 cabins, 6 cabins, thiab 12 cabins.

Lub formaldehyde test specimen balance pretreatment tas li kub thiab av noo chamber muab ib tug cais xeem qhov chaw, uas yuav tshem tawm cov kev sib nrig sib paug ntawm formaldehyde tso tawm los ntawm formaldehyde test specimen, uas cuam tshuam rau cov kev xeem, thiab zoo heev txhim kho qhov kev xeem raug. Kev teeb tsa ntau lub chamber ua rau nws muaj peev xwm ua tiav cov kev sim cyclic, uas ua rau muaj txiaj ntsig zoo rau kev xeem.

Cov qauv muab tso rau ntawm 23 ± 1 ℃, txheeb ze av noo (50 ± 3)% rau (15 ± 2) d, qhov kev ncua deb ntawm cov qauv yog tsawg kawg yog 25 hli, yog li cov huab cua tuaj yeem txav mus los ntawm txhua qhov qauv, thiab huab cua sab hauv tsev ntawm qhov kub thiab av noo qhov hloov pauv yog tsawg kawg ib zaug hauv ib teev, thiab qhov loj ntawm formaldehyde nyob rau hauv cov huab cua sab hauv tsis tuaj yeem tshaj 0.10mg / m3.

2. Cov qauv kev coj ua
GB18580-2017 "Kev txwv ntawm formaldehyde tso rau hauv cov vaj huam sib luag thiab cov khoom siv kho kom zoo nkauj sab hauv"
GB17657-2013 "Tshaj tawm txoj hauv kev ntawm lub cev thiab tshuaj lom neeg ntawm cov vaj huam sib luag ntoo thiab ntsib cov vaj huam sib luag ntoo"
TS EN 717-1 Environmental Chamber Method rau Kev Ntsuas Formaldehyde Emission los ntawm Wood-Based Panels
ASTM D6007-02 "Standard Test Method for Determination of Concentration of Formaldehyde in the Gas Out of Wood Products in a Small-scale Environmental Chamber" ASTM D6007-02

3. Lub ntsiab lus qhia

4. Cov xwm txheej ua haujlwm

4.1 Ib puag ncig tej yam kev mob
a) Kub: 15 ~ 25 ℃;
b) Atmospheric siab: 86 ~ 106kPa
c) Tsis muaj zog vibration ib puag ncig;
d) Tsis muaj zog magnetic teb nyob ib ncig ntawm;
e) Tsis muaj qhov siab ntawm cov plua plav thiab cov khoom corrosive nyob ib puag ncig
4.2 Cov khoom siv fais fab
a) Lub zog: 220 ± 22V
b) Zaus: 50 ± 0.5Hz
c) Tam sim no: tsis pub tsawg tshaj 16A
                                               Formaldehyde emission test climate chamber (kov npo hom)
1. Lub hom phiaj thiab qhov kev siv
Tus nqi ntawm formaldehyde tso tawm los ntawm cov ntoo-raws li panels yog ib qho tseem ceeb qhia los ntsuas qhov zoo ntawm cov ntoo raws li panels, thiab nws muaj feem xyuam rau ib puag ncig muaj kuab paug ntawm cov khoom thiab cuam tshuam rau tib neeg noj qab haus huv. 1 m3 formaldehyde emission climate chamber detection method yog ib txoj hauv kev rau kev tshawb nrhiav formaldehyde emission ntawm sab hauv tsev kho kom zoo nkauj thiab cov ntaub ntawv kho kom zoo nkauj siv dav hauv tsev thiab txawv teb chaws. Nws yog tus cwj pwm los ntawm kev simulating qhov chaw nyob sab hauv tsev thiab qhov kev tshawb pom tau ze dua rau qhov tseeb, yog li nws muaj tseeb thiab ntseeg tau. Cov khoom no yog tsim los nrog kev siv rau cov qauv kev ntsuas ntawm formaldehyde hauv cov teb chaws tsim thiab cov qauv tsim ntawm peb lub teb chaws. Cov khoom no yog tsim rau kev txiav txim siab ntawm formaldehyde emissions ntawm ntau yam ntoo-raws li panels, composite wood floors, ntaub pua plag, ntaub pua plag ntaub pua plag thiab ntaub pua plag adhesives, thiab qhov kub thiab av noo tshuav nyiaj li cas kho ntawm ntoo los yog ntoo raws li panels. Nws kuj tseem siv tau rau volatilization hauv lwm cov ntaub ntawv hauv tsev. Kev kuaj pom cov pa phem.

2. Cov qauv kev coj ua
GB18580-2017 "Kev txwv ntawm formaldehyde tso rau hauv cov vaj huam sib luag thiab cov khoom siv kho kom zoo nkauj sab hauv"
GB18584-2001 "Kev txwv ntawm cov khoom phom sij hauv cov rooj tog ntoo"
GB18587-2001 "Kev txwv rau tso tawm cov khoom phom sij los ntawm cov khoom siv kho kom zoo nkauj hauv tsev ntaub pua plag, ntaub pua plag thiab ntaub pua plag nplaum"
GB17657-2013 "Tshaj tawm txoj hauv kev ntawm lub cev thiab tshuaj lom neeg ntawm cov vaj huam sib luag ntoo thiab ntsib cov vaj huam sib luag ntoo"
TS EN 717-1 Environmental Chamber Method rau Kev Ntsuas Formaldehyde Emission los ntawm Wood-Based Panels
ASTM D6007-02 "Standard Test Method for Measuring the Concentration of Formaldehyde in the Gas Out of Wood Products in a Small-scale Environmental Chamber" ASTM D6007-02
LY/T1612-2004 "1m climate chamber device rau formaldehyde emission detection"

3. Cov kev qhia tseem ceeb

4. Txoj Cai Ua Haujlwm thiab Nta:

Txoj Cai Ua Haujlwm:

Muab ib qho piv txwv nrog thaj tsam ntawm 1 square meter mus rau hauv chav huab cua nrog qhov kub thiab txias, txheeb ze av noo, huab cua txaus tus nqi thiab huab cua hloov tus nqi tswj ntawm ib qho nqi. Cov formaldehyde raug tso tawm los ntawm cov qauv thiab sib xyaw nrog huab cua hauv lub thawv. Cov huab cua hauv lub thawv tau muab rho tawm tsis tu ncua, thiab cov cua tawm tau dhau los ntawm lub raj mis nqus dej uas muaj dej distilled. Tag nrho cov formaldehyde hauv huab cua yog yaj rau hauv dej; Tus nqi ntawm formaldehyde nyob rau hauv cov kua nqus dej thiab cov cua ntim tawm, qhia nyob rau hauv milligrams ib cubic meter (mg / m3), xam tus nqi ntawm formaldehyde ib cubic meter ntawm huab cua. Sampling yog ncua sij hawm kom txog rau thaum lub formaldehyde concentration nyob rau hauv lub thawv kuaj mus txog ib tug equilibrium lub xeev.

Nta:

1. Cov kab noj hniav sab hauv ntawm lub thawv yog ua los ntawm cov hlau tsis muaj steel, qhov saum npoo yog du thiab tsis condense, thiab tsis nqus formaldehyde, ua kom ntseeg tau qhov tseeb. Lub thawv thermostatic lub cev yog ua los ntawm cov khoom ua npuas ncauj tawv, thiab lub qhov rooj ntawm lub thawv yog ua los ntawm silicone roj hmab sealing sawb, uas muaj kev txuag hluav taws xob zoo thiab kev sib khi ua haujlwm. Lub thawv yog nruab nrog cov cuab yeej yuam cua ncig (los tsim cov cua ntws tawm) kom paub meej tias qhov kub thiab av noo hauv lub thawv yog sib npaug thiab zoo ib yam. Cov qauv tseem ceeb: lub tank sab hauv yog daim iav stainless hlau kuaj chamber, thiab txheej txheej txheej yog lub thawv rwb thaiv tsev, uas yog compact, huv si, txuag, thiab txuag hluav taws xob, tsis tsuas yog txo qhov no txo ​​lub zog noj thiab txo cov khoom siv sij hawm sib npaug.

2. Lub 7-nti kov npo yog siv los ua kev sib tham sib tham rau cov neeg ua haujlwm ua haujlwm cov khoom siv, uas yog qhov yooj yim thiab yooj yim. Nws tuaj yeem teeb tsa ncaj qha thiab digitally tso saib qhov ntsuas kub, qhov txheeb ze av noo, qhov kub thiab txias them, dew point them, dew point dewation, thiab kub sib txawv hauv lub thawv. Tus thawj imported sensor yog siv, thiab kev tswj nkhaus tuaj yeem raug kaw thiab kos. Configure tshwj xeeb tswj software kom paub qhov system tswj, qhov kev pab cuam teeb tsa, dynamic cov ntaub ntawv tso saib thiab cov ntaub ntawv keeb kwm playback, fault recording, tswb teeb thiab lwm yam functions.

3. Cov khoom siv tau txais kev lag luam modules thiab cov khoom lag luam tuaj txawv teb chaws, uas muaj kev ua haujlwm zoo thiab kev ntseeg siab, uas tuaj yeem ua kom lub sijhawm ntev ntawm cov khoom siv tsis muaj teeb meem, ua kom lub neej kev pab cuam ntawm cov khoom siv, thiab txo cov nqi khiav lag luam. khoom siv. Nws kuj muaj qhov ua txhaum kev kuaj xyuas tus kheej thiab ceeb toom ua haujlwm, uas yooj yim rau cov neeg siv kom nkag siab txog kev ua haujlwm ntawm cov khoom siv, thiab kev saib xyuas yog yooj yim thiab yooj yim.

4. Cov kev pab cuam tswj thiab kev ua haujlwm interface tau ua kom zoo raws li cov qauv kev xeem, thiab kev ua haujlwm yooj yim thiab yooj yim.

5. Hloov cov pa hluav taws xob tam sim no los tswj cov av noo, txais yuav txoj kev lwg taw tes los tswj cov av noo, kom cov av noo hauv lub thawv hloov tsis tu ncua, yog li txhim kho qhov tseeb ntawm cov av noo tswj.

6. Cov yeeb yaj kiab nyias nyias cov yeeb yaj kiab siab-precision platinum tsis kam yog siv los ua qhov ntsuas kub, muaj qhov tseeb thiab kev ua haujlwm ruaj khov.

7. Lub tshav kub exchanger nrog advanced technology yog siv nyob rau hauv lub thawv, uas muaj high tshav kub exchanger efficiency thiab txo kub gradient.

8. Compressors, kub thiab av noo sensors, controllers, relays thiab lwm yam khoom siv tseem ceeb yog tag nrho cov khoom tuaj txawv teb chaws.

9. Cov cuab yeej tiv thaiv: Lub tank huab cua thiab cov dej lwg taw tes dej tank muaj qhov ntsuas kub thiab tsis tshua muaj hluav taws xob tiv thaiv kev ntsuas thiab ntsuas ntsuas dej siab thiab qis.

10. Lub tshuab tag nrho yog kev sib xyaw ua ke thiab muaj cov qauv compact; installation, debugging thiab siv yog yooj yim heev.

5. Cov xwm txheej ua haujlwm

5.1 Ib puag ncig tej yam kev mob
a) Kub: 15 ~ 25 ℃;
b) Atmospheric siab: 86 ~ 106kPa
c) Tsis muaj zog vibration ib puag ncig;
d) Tsis muaj zog magnetic teb nyob ib ncig ntawm;
e) Tsis muaj qhov siab ntawm cov plua plav thiab cov khoom corrosive nyob ib puag ncig
5.2 Cov khoom siv fais fab
a) Lub zog: 220 ± 22V
b) Zaus: 50 ± 0.5Hz
c) Tam sim no: tsis pub tsawg tshaj 16A
5.3 Cov khoom siv dej
Distilled dej nrog dej kub tsis siab tshaj 30 ℃
5.4 Qhov chaw tso chaw yuav tsum xyuas kom meej tias nws muaj qhov cua zoo thiab cov cua sov dissipation (tsawg kawg 0.5m ntawm phab ntsa).