Shenhai e fakamoʻoni fakaʻauha
Fakaʻuhingaʻi
Ko e faʻahinga maluʻi ʻo e fakaʻauha, kalasi mafana, faʻahinga maluʻi ʻo e fakaʻauha, pea ko hono fakaʻilongaʻi ʻo e ʻelia ʻoku fekauʻaki mo ia ko ha ngaahi meʻa mahuʻinga ia ki hono fakafuofuaʻi ʻo e meʻangaue fakaʻuhila. ʻOku fakaʻaongaʻi ʻa e fakamatala ko ʻeni ke fakamatalaʻi ʻaki ʻa e tuʻunga ʻo e maluʻi mei he lolotonga, ʻa e mafana ʻo e ʻea ʻe lava ke ngaue lelei ai ʻa e meʻangaue, ʻa e faʻahinga maluʻi ʻoku ʻomi, mo e ngaahi feituʻu pau ʻoku feʻunga mo e meʻangāué.
Ko hono toʻo ʻo e ʻeke fakaʻaliʻali IIC T6 GB ko ha sipinga
ʻEKESOTOSI
ʻOku fakahaaʻi ʻe he fakaʻilonga ko ʻeni ʻoku fetaulaki ʻa e meʻangaue fakaʻuhila mo ha faʻahinga fakamoʻoni ʻe taha pe lahi ange ʻi he ngaahi tuʻunga moʻui ʻo e fakaʻauha;
Fakatatau mo e ngaahi fakahinohino pau ʻoku fakamatalaʻi ʻi he fakamatala 29 ʻo e TUʻunga moʻui GB3836.1-2010, ko ha fie maʻu ia ki he meʻangaue fakaʻuhila ki he fakaʻauha ke fua ʻa e ngaahi “ʻEke” fakaʻilongaʻi ʻi ha tuʻunga ʻiloa ʻi hono sino ʻi tuʻa. ʻIkai ngata ai, Kuo pau ke fakaʻaliʻali ʻe he nameplate ʻo e meʻangaue ʻa e ngaahi fakamoʻoni ʻoku fie maʻu ke fakaʻilongaʻi fakataha mo e fika ʻo e tohi fakamoʻoni ʻoku ne fakamoʻoniʻi hono
talangofua.
Demb
ʻOku fakapapauʻi ʻe he faʻahinga maluʻi ʻoku fakaʻaliʻali ʻi he meʻangaue fakaʻuhila ʻa e ngaahi meʻa pau fakafepakiʻi feituʻu fakatuʻutamaki ʻoku fakataumuʻa ki ai.
Faʻahinga tohi fakamoʻoni fakaʻauha
| Faʻahinga fakamoʻoni ʻo e fakaʻauha | Faʻahinga fakamoʻoni fakaʻauha ʻoku fakaʻilongaʻi | Ngaahi Fakamatala |
|---|---|---|
| Faʻahinga Flameproof | d | |
| Fakalahi e faʻahinga malu | e | |
| Pressurized | p | |
| Intrinsically faʻahinga malu | Maʻuʻanga Fakamatala | |
| Intrinsically faʻahinga malu | ib | |
| Faʻahinga ʻohofi ʻo e lolo | o | |
| Faʻahinga fakafonu ʻo e ʻoneʻone | q | |
| Tepi fakapipiki ʻa e faʻahinga sila | m | |
| N-Faʻahinga | n | ʻOku fakafaʻahinga ʻa e ngaahi tuʻunga maluʻi ko e FINEʻEIKI mo e MB. |
| Faʻahinga SpeciaL | s | ʻOku falute ʻe he fakafaʻahinga ʻa e nA, nR, mo e faʻahinga ʻe n-concave |
Fakatokangaʻi ange: ʻOku fakaʻaliʻali ʻe he tepile ʻa e ngaahi faʻahinga maluʻi lahi ki he meʻangaue fakaʻuhila, ko hono fakatahaʻi ʻo ha ngaahi founga maluʻi kehekehe ke faʻu ʻaki hybrid faʻahinga maluʻi.
Hange ko ʻeni, ʻa e “ʻEke demb” ʻUhinga ki ha faʻahinga maluʻi hybrid ki he meʻangaue fakaʻuhila, fakaʻaongaʻi flameproof, tupulaki e malú, mo e ngaahi founga encapsulation.
Ko e fakafaʻahinga ʻo e souni ʻi he ngaahi feituʻu ʻoku fakahehema ke fakaʻauha e kasa:
ʻI he ngaahi feituʻu ʻoku fakafepakiʻi ai e ngaahi kasa mo e velangofua ʻahu fakataha mo e ʻea ke faʻu ʻaki ha kasa mixtures, ʻOku fokotuʻu ha fakafaʻahinga fakasouni ʻe tolu ʻo makatuʻunga ʻi he tuʻunga fakatuʻutamaki:
Fakasouni 0 (ʻoku ui ko e Souni 0): Ko ha feituʻu ʻoku hokohoko atu ai e kasa mixtures, tuʻo lahi, pe vilitaki ʻi he ngaahi tukunga angamaheni.
Fakasouni 1 (ʻoku ui ko e Souni 1): Ko ha feituʻu ʻe lava ke hoko ai ha kasa mixtures ʻi he ngaahi tukunga angamaheni.
Fakasouni 2 (ʻoku ui ko e Souni 2): Ko ha feituʻu ʻoku ʻikai fie maʻu ke hoko ai ha kasa mixtures ʻi he ngaahi tukunga angamaheni, ka ʻe toki ʻasi nounou pe ʻi he lolotonga ʻo e ngaahi meʻa ʻoku hoko.
Fakatokangaʻi ange: ʻOku ʻuhinga ʻa e ngaahi tukunga angamaheni ki hono kamataʻi angamaheni, Maʻuʻanga Fakamatala, ngāué, mo hono tokangaʻi ʻo e meʻangāué, Neongo ʻoku fekauʻaki ʻa e ngaahi tukunga ʻoku ʻikai ke ʻi ai ha meʻangaue ʻe ala hoko pe
ngaahi ngaue inadvertent.
Ko e fakafekauʻaki ʻo e ngaahi feituʻu ʻi he tuʻunga fakatuʻutamaki ʻo e kasa lolotonga mo honau faʻahinga maluʻi ʻoku fekauʻaki mo ia.
| Kulupu kasa | Sivi lahi taha ʻo e malu MESG (MM) | Siʻisiʻi taha ignition e fika MICR |
|---|---|---|
| IIA | MESG≥0.9 | MICR>0.8 |
| IIB | 0.9>MESG>0.5 | 0.8≥MICR≥0.45 |
| IIC | 0.5≥MESG | 0.45>MAʻU |
Fakatokangaʻi ange: Fakakaukau ki he ngaahi tukunga pau ʻi hotau fonua, ko e fakaʻaongaʻi ʻo e faʻahinga ʻo e-Type (tupulaki e malú) ʻOku fakangatangata pe ʻa e meʻangaue fakaʻuhila ki he souni 1, fakaʻatā ki he:
Ngaahi puha fakauaea mo e ngaahi puha fale ʻoku ʻikai fakatupu ai ha ngaahi kalofiama, ArcS, pe ko e mafana ʻo e ʻea ʻi he lolotonga ʻo e tafa angamaheni, ʻoku fakafaʻahinga ia ko e d pe m ki he sino mo e faʻahinga ʻo e fakauaea konga.
Hange ko ʻeni, Ko e maluʻi ʻo e fakaʻauha ʻo e BPC8765 tataki ʻa e maama ʻo e fakamoʻoni ko e ʻeke demb IIC T6 GB. ʻOku flameproof ʻa e maʻuʻanga ʻo e mama (d), ʻOku encapsulated ʻa e konga ʻo e fakaʻuli (MB), pea mo e ngaahi fotunga fakauaea ʻo e loki tupulaki e malú (e) ki hono langa ʻo e fakamoʻoni fakaʻauha. Hange ko ia ʻoku ha ʻi he ngaahi fakahinohino pau, ʻe lava ke fakaʻaongaʻi ʻa e maama ko ʻeni ʻi he souni 1.
II
ʻOku fakapapauʻi ʻe he faʻahinga meʻangaue ʻo ha meʻangaue fakaʻuhila ʻoku ne fakamoʻoniʻi ʻa hono suitability ki ha ngaahi ʻatakai kasa pau.
ʻOku fakaʻuhingaʻi ʻa e meʻangaue ki he fakamoʻoni fakaʻauha ko ha ngaahi meʻangaue fakaʻuhila ʻoku, ʻi he ngaahi tuʻunga pau, ʻoua naʻa ke fakaulo ʻa e ʻatakai ʻoku ne fakafepakiʻi.
Ko ia, ngaahi koloa ʻoku fakahingoa ʻaki ʻa e ngaahi fakamoʻoni ʻoku ʻasi ai e fakaʻauha (ʻEKESOTOSI demb IIC) ʻOku feʻunga pe ia mo e ngaahi ʻatakai kasa kotoa pe, toʻo ʻa e keliʻanga malala mo e ngaahi feituʻu ʻi lalofonua.
C
ʻOku fakapapauʻi ʻe he kulupu kasa ʻo ha meʻangaue fakaʻuhila ʻoku ne fakamoʻoniʻi ʻa ʻene fekauʻaki mo e kasa pau mixtures.
Fakaʻuhingaʻi ʻo e kulupu kasa:
ʻI he ngaahi ʻatakai kasa kotoa pe, tuku kehe pe ʻa e keliʻanga malala mo e ngaahi feituʻu ʻi lalofonua (i.e., ngaahi ʻatakai ʻoku feʻunga mo e meʻangaue fakaʻuhila ʻa e kalasi II), ʻOku fakafaʻahinga ʻa e ngaahi kasa ki ha kulupu ʻe tolu, ʻa ia ko ha, B, mo e C, makatuʻunga ʻi he Experimental lahi taha ʻo e malu pe siʻisiʻi taha ignition ʻo e kasa mixtures. ʻOku fakafalala ʻa e fakakulupu kasa mo e mafana ignition ʻi he tokanga ʻa e combustible kasa mo e ʻea ʻi he mafana ʻo e ʻatakai mo e ngaahi tuʻunga malohi.
Ko e va fetuʻutaki ʻi he ngaahi kasa mixtures, ngaahi kulupu kasa, pea mo e Experimental lahi taha ʻo e malu pe siʻisiʻi taha ignition ratios:
| Kulupu kasa | Sivi lahi taha ʻo e malu MESG (MM) | Siʻisiʻi taha ignition e fika MICR |
|---|---|---|
| IIA | MESG≥0.9 | MICR>0.8 |
| IIB | 0.9>MESG>0.5 | 0.8≥MICR≥0.45 |
| IIC | 0.5≥MESG | 0.45>MAʻU |
Fakatokangaʻi ange: ʻOku fakahaaʻi ʻe he tepile toʻohema ko e fanga kiʻi tuʻunga ʻulungaanga mahuʻinga iiki ange ʻo e maluʻi ʻo e kasa pe siʻisiʻi taha ratios ʻoku fekauʻaki ia mo e ngaahi tuʻunga fakatuʻutamaki ʻoku fekauʻaki mo e ngaahi kasa. Ko ia, ʻOku ʻi ai ha fie maʻu lahi ange ki he ngaahi fie maʻu ki hono fakakulupu ʻo e kasa ʻi he ngaahi meʻangaue fakaʻuhila.
ʻOku faʻa fekauʻaki ʻa e ngaahi kulupu kasa mo e ngaahi kasa angamaheni/koloa:
| Kulupu kasa/kulupu mafana | T1 | T2 | T3 | T4 | T5 | T6 |
|---|---|---|---|---|---|---|
| IIA | Formaldehyde, Maʻuʻanga Fakamatala, methyl ester, acetylene, kasa, ongo ʻo e leʻo, ʻesiti ʻakeliliki, benzene, styrene, kaponi kaponi, ethyl acetate, acetic ʻesiti, chlorobenzene, methyl acetate, Maʻuʻanga Fakamatala | Methanol, ethanol, ethylbenzene, fakaʻofoʻofa, propylene, butanol, butyl acetate, amyl acetate, cyclopentane | Pentane, pentanol, hexane, ethanol, heptane, octane, cyclohexanol, turpentine, naphtha, lolo fokotuʻu (kau ai ʻa e penisini), lolo penisini, pentanol tetrachloride | Acetaldehyde, trimethylamine | Ethyl nitrite | |
| IIB | Propylene ester, dimethyl ʻEta | Butadiene, epoxy kasa, ethylene | Dimethyl ʻEta, acrolein, fakapaaki ʻo e carbide | |||
| IIC | Fakapaaki ʻo e, kasa vaí | Acetylene | Kaponi disulfide | Ethyl naituleiti |
Faʻifaʻitakiʻanga: ʻI he tuʻunga ko ia ʻoku ʻi ai ʻa e ngaahi meʻa fakatuʻutamaki ʻi ha ʻatakai kasa ʻoku fakapaaki ʻo e pe acetylene, ʻOku fakafaʻahinga ʻa e kulupu kasa ʻoku vahe ki he ʻatakai ko ʻeni ko e kulupu C. Ko ia ai, ʻOku totonu ke pikitai ʻa e meʻangaue fakaʻuhila ʻoku fakaʻaongaʻi ʻi he feituʻu ko ʻeni ki he ngaahi fakahinohino pau ʻo e kulupu kasa ʻo ʻikai siʻi hifo ʻi he tuʻunga IIC.
ʻI he tuʻunga ko ia ʻoku formaldehyde ai ʻa e koloa ʻi he ʻatakai ʻo e kasa, ʻOku fakafaʻahinga ʻa e kulupu kasa kuo vahe ki he ʻatakai ko ʻeni ko ha kulupu A. Ko ia ai, ʻOku totonu ke muimui ʻa e meʻangaue fakaʻuhila ʻoku fakaʻaongaʻi ʻi he feituʻu ko ʻeni ki he ngaahi fakahinohino pau ʻo e kulupu kasa ʻo ʻikai toe siʻi hifo ʻi he tuʻunga IIA. Neongo ia, ʻe lava foki ke fakaʻaongaʻi ʻa e meʻangaue fakaʻuhila mo e ngaahi tuʻunga ʻo e kulupu kasa ʻo e IIB pe IIC ʻi he ʻatakai ko ʻeni.
T6
Ko e mafana ʻo e ʻea ʻOku fakapapauʻi ʻe he kulupu ʻoku vahe ki ha meʻangaue fakaʻuhila ʻoku ne fakamoʻoniʻi ʻa e ʻatakai kasa ʻoku fenapasi mo e tuʻunga ʻo e mafana ignition.
ʻOku fakaʻuhingaʻi ʻa e kulupu mafana ʻo hange ko ʻeni:
Ngaahi fakangatangata ʻo e ʻea, ʻOku ui ko ignition mafana, ʻOku ʻi ai ha kasa mixtures, fakaʻuhingaʻi e mafana ʻo e ʻea ʻe lava ke nau Maʻuʻanga Fakamatala. Ko ia ai, ngaahi fie maʻu pau ʻoku ne puleʻi ʻa e mafana ʻo e meʻangaue fakaʻuhila ʻoku fakaʻaongaʻi ʻi he ngaahi ʻatakai ko ʻeni, necessitating ʻoku ʻikai lakasi ʻe he mafana ʻo e meʻangaue ʻa e mafana ʻo e ignition. ʻI heʻene pehee, ʻOku fakafaʻahinga e meʻangāue fakaʻuhilá ki ha kulupu ʻe ono, T1-T6, makatuʻunga ʻi he mafana maʻolunga taha ʻo e ʻea.
| Ignition e mafana ʻo e ngaahi meʻa combustible | Ko e mafana lahi taha ʻo e meʻangaue (° C) | Kulupu mafana |
|---|---|---|
| t>450 | 450 | T1 |
| 450≥ikai>300 | 300 | T2 |
| 300≥ikai>200 | 200 | T3 |
| 200≥ikai>135 | 135 | T4 |
| 135≥ikai>100 | 100 | T5 |
| 100≥ikai>85 | 85 | T6 |
Makatuʻunga ʻi he fakamatala ʻoku ʻoatu ʻi he tepile toʻohema, ʻe lava ke fakatokangaʻi ha va fetuʻutaki mahino ʻi he vahaʻa ʻo e mafana ignition ʻo e ngaahi meʻa combustible pea mo e ngaahi fie maʻu ʻa e kulupu mafana ʻoku fekauʻaki mo e ngaahi meʻangaue fakaʻuhila. Tautautefito, ʻi he holo ʻa e mafana ʻo e ignition, ʻOku tupulaki ʻa e ngaahi fie maʻu ʻi he kulupu mafana ʻo e ngaahi meʻangaue fakaʻuhila.
ʻOku fakafekauʻaki ʻa e fakafaʻahinga ʻo e ʻea mo e ngaahi kasa ʻoku angamaheni ʻaki hono fakafepakiʻi/koloa:
| Kulupu kasa/kulupu mafana | T1 | T2 | T3 | T4 | T5 | T6 |
|---|---|---|---|---|---|---|
| IIA | Formaldehyde, Maʻuʻanga Fakamatala, methyl ester, acetylene, kasa, ongo ʻo e leʻo, ʻesiti ʻakeliliki, benzene, styrene, kaponi kaponi, ethyl acetate, acetic ʻesiti, chlorobenzene, methyl acetate, Maʻuʻanga Fakamatala | Methanol, ethanol, ethylbenzene, fakaʻofoʻofa, propylene, butanol, butyl acetate, amyl acetate, cyclopentane | Pentane, pentanol, hexane, ethanol, heptane, octane, cyclohexanol, turpentine, naphtha, lolo fokotuʻu (kau ai ʻa e penisini), lolo penisini, pentanol tetrachloride | Acetaldehyde, trimethylamine | Ethyl nitrite | |
| IIB | Propylene ester, dimethyl ʻEta | Butadiene, epoxy kasa, ethylene | Dimethyl ʻEta, acrolein, fakapaaki ʻo e carbide | |||
| IIC | Fakapaaki ʻo e, kasa vaí | Acetylene | Kaponi disulfide | Ethyl naituleiti |
Fakatokangaʻi ange: Ko e fakamatala ʻoku ʻoatu ʻi he tepile ʻi ʻolunga ko e ngaahi taumuʻa pe ia. Kataki ʻo vakai ki he ngaahi fie maʻu fakaikiiki ʻoku fakamatalaʻi atu ʻi he GB3836 ki hono fakaʻaongaʻi totonu.
Faʻifaʻitakiʻanga: Kapau ko e kaponi disulfide ko e meʻa fakatuʻutamaki ia ʻi he ʻatakai ʻo e kasa, ʻOku fekauʻaki ia mo e kulupu mafana T5. Ko ia ai, ʻOku totonu ke T5 pe maʻolunga ange ʻa e kulupu mafana ʻo e meʻangaue fakaʻuhila ʻoku fakaʻaongaʻi ʻi he ʻatakai ko ʻeni. Ko e meʻa tatau pe, Kapau ko e formaldehyde ko e meʻa fakatuʻutamaki ia ʻi he ʻatakai ʻo e kasa, ʻOku fekauʻaki ia mo e kulupu mafana T2. Ko ia, ʻOku totonu ke T2 pe maʻolunga ange ʻa e kulupu ʻo e ngaahi meʻangaue fakaʻuhila ʻoku fakaʻaongaʻi ʻi he ʻatakai ko ʻeni. ʻOku mahuʻinga ke talaatu ʻe lava foki ke fakaʻaongaʻi ʻa e meʻangaue fakaʻuhila mo e ngaahi kulupu mafana ʻo e T3 pe T4 ʻi he ʻatakai ko ʻeni.
GB
ʻOku ʻuhinga ʻa e tuʻunga maluʻi ʻo e meʻangaue ki he tuʻunga maluʻi ʻo e Apparatus ʻuhila, fakamatalaʻi ʻa e faʻahinga malu ʻo e meʻangaue.
ʻOku ʻoatu ʻi he konga ʻa e ngaahi fakaʻuhinga ʻo e maluʻi ʻo e meʻangaue ki he ngaahi ʻatakai kasa 3.18.3, 3.18.4, mo e 3.18.5 ʻo e GB3836.1-2010.
3.18.3
Levolo ʻo e GA EPL GA
ʻOku fakataumuʻa e meʻangaue ki he ngaahi ʻatakai kasa ʻoku ʻi ai ha “maʻolunga” tuʻunga ʻo e maluʻí, fakapapauʻi ʻoku ʻikai hoko ia ko ha maʻuʻanga ignition lolotonga e tafa angamaheni, ngaahi fehalaaki ʻoku ʻamanaki ke fai, pe ko ha meʻa makehe ʻoku ʻikai ke ʻi ai ha.
3.18.4
Tuʻunga Gb EPL Gb
ʻOku fakataumuʻa ʻa e meʻangaue ki he ngaahi ʻatakai kasa ʻoku ʻi ai ha “maʻolunga” tuʻunga ʻo e maluʻí, guaranteeing ʻoku ʻikai hoko ia ko ha maʻuʻanga ignition lolotonga e ngaue angamaheni pe ngaahi tuʻunga ʻo e fehalaaki.
3.18.5
Gc levolo EPL Gc
ʻOku fakataumuʻa ʻa e meʻangaue ke fakaʻaongaʻi ʻi he ngaahi ʻatakai kasa ʻoku ne fakaʻaliʻali ha “fakalukufua” tuʻunga ʻo e maluʻi pea ʻoku ʻikai hoko ia ko ha maʻuʻanga ignition lolotonga e tafa angamaheni. ʻE lava foki ke fakahoko ʻa e ngaahi founga maluʻi fakalahi ke fakapapauʻi ʻoku ʻikai ke ne fakaulo lelei ʻa e ngaahi tukunga ʻoku ʻamanaki ke toutou hoko ai ʻa e ngaahi maʻuʻanga tokoni ignition, hange ko e ngaahi naunau ʻo e mama ʻoku ʻikai ke ʻi ai ha meʻa.