Shenhai bugbamu-Imudaniloju
Jẹ ki a bẹrẹ nipa ṣiṣe alaye awọn iwọn-ẹri bugbamu ti o yatọ, ohun ti wọn tọkasi, ati bi o ṣe le yan wọn ni iṣe, lilo awọn apoti pinpin bugbamu-ẹri bi apẹẹrẹ.
| Gaasi ẹgbẹ / otutu Ẹgbẹ | T1 | T2 | T3 | T4 | T5 | T6 |
|---|---|---|---|---|---|---|
| IIA | Formaldehyde, toluene, methyl ester, acetylene, propane, acetone, akiriliki acid, benzene, styrene, erogba monoxide, ethyl acetate, acetic acid, chlorobenzene, methyl acetate, kiloraini | kẹmika kẹmika, ethanol, ethylbenzene, propanol, propylene, butanol, butyl acetate, amyl acetate, cyclopentane | Pentaneni, Pentanol, hexane, ethanol, heptane, octane, cyclohexanol, turpentine, nafta, epo epo (pẹlu petirolu), epo epo, Pentanol tetrachloride | Acetaldehyde, trimethylamine | Ethyl nitrite | |
| IIB | Propylene ester, dimethyl ether | Butadiene, epoxy propane, ethylene | Dimethyl ether, acrolein, hydrogen carbide | |||
| IIC | Hydrogen, omi gaasi | Acetylene | Erogba disulfide | Ethyl iyọ |
Siṣamisi iwe-ẹri:
Ex d IIB T4 Gb/Ex tD A21 IP65 T130°C jẹ ijẹrisi gbogbo agbaye fun gaasi ati aabo bugbamu eruku, ibi ti apakan ṣaaju ki o to din ku (/) tọkasi awọn bugbamu-ẹri ipele, ati apakan lẹhin slash tọkasi eruku bugbamu-ẹri.
Ex: Bugbamu-ẹri siṣamisi, boṣewa kika ti IEC (International Electrotechnical Commission) bugbamu-ẹri-wonsi.
d: Agbo ina iru, afihan fọọmu akọkọ ti aabo bugbamu jẹ ina.
IIB: Ṣe aṣoju aabo bugbamu gaasi Class B.
T4: Tọkasi awọn otutu kilasi.
Gb: Tọkasi ọja yi dara fun Agbegbe 1 bugbamu Idaabobo.
Fun awọn eruku bugbamu apakan ni igbehin idaji, o to lati ṣaṣeyọri ipele aabo eruku ti o ga julọ 6 da lori gaasi bugbamu-ẹri awọn ajohunše.
tD: Ṣe aṣoju iru aabo apade (idilọwọ ekuru iginisonu pẹlu apade).
A21: Tọkasi agbegbe to wulo, o dara fun Zone 21, Agbegbe 22.
IP65: Ṣe aṣoju ipele aabo.
O ṣe pataki lati yan iwọn-ẹri bugbamu to pe ni awọn agbegbe gangan.
Ni akọkọ, o jẹ pataki lati ni oye meji akọkọ isori, bi a ti salaye ni isalẹ:
Bugbamu-ẹri orisi:
Kilasi I: Awọn ohun elo itanna fun awọn maini eedu ipamo;
Kilasi II: Itanna ẹrọ fun gbogbo awọn miiran bugbamu gaasi agbegbe ayafi edu maini ati ipamo.
Kilasi II le pin si IIA, IIB, ati IIC, nibiti ẹrọ ti samisi IIB le ṣee lo labẹ awọn ipo ti o dara fun awọn ẹrọ IIA; IIC le ṣee lo labẹ awọn ipo ti o dara fun mejeeji IIA ati IIB.
Kilasi III: Awọn ohun elo itanna fun awọn agbegbe eruku eruku miiran yatọ si awọn maini edu.
IIIA: Awọn ọkọ ofurufu ijona; IIIB: eruku ti ko ni ipa; IIIC: eruku conductive.
Bugbamu-ẹri agbegbe:
Agbegbe 0: Nibiti awọn gaasi ibẹjadi wa nigbagbogbo tabi nigbagbogbo wa; lewu nigbagbogbo fun diẹ ẹ sii ju 1000 wakati / odun;
Agbegbe 1: Nibo flammable Awọn gaasi le waye lakoko iṣẹ ṣiṣe deede; lemọlemọ lewu fun 10 si 1000 wakati / odun;
Agbegbe 2: Ibi ti flammable ategun wa ni ko deede bayi ati, ti wọn ba waye, o ṣee ṣe loorekoore ati igba diẹ; lewu bayi fun 0.1 si 10 wakati / odun.
O ṣe pataki lati ṣe akiyesi pe a ṣe pẹlu Kilasi II ati III, Agbegbe 1, Agbegbe 2; Agbegbe 21, Agbegbe 22.
Ni deede, de IIB to fun awọn gaasi, sugbon fun hydrogen, acetylene, ati erogba disulfide, ipele ti o ga julọ ti IIC ni a nilo. Fun eruku bugbamu Idaabobo, o kan ṣaṣeyọri gaasi ti o baamu bugbamu-ẹri ipele ati eruku ite ti o ga julọ.
O tun wa iru apapọ ti bugbamu-ẹri pinpin apoti igbelewọn: ExdeIIBT4Gb.