24 Mgbawa ụlọ ọrụ afọ-Onye nrụpụta ihe

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Nkọwa nke mgbawa-ihe akaebe

Ihe nrịbama mgbawa na nrụnye ọkụ na-egbochi mgbawa bụ akara na-akọwa ọkwa mgbawa ahụ., otu okpomọkụ, ụdị, na ebe ọdabara nke ihe ọkụ ọkụ.

mgbawa ọkwa ọkwa-1

Nkọwa nke nrịbama na-egosi mgbawa:

Dị ka GB 3836 ụkpụrụ, ihe mgbawa na-egosi akara nke ọkụ ọkụ gụnyere:

Ụdị ihe mgbawa + Akụrụngwa Atiya + (Otu gas) + Otu okpomọkụ.

1. Ụdị ihe mgbawa:

Tebụl 1 Ụdị isi nke mgbawa-ihe akaebe

Ụdị ihe mgbawaỤdị ihe àmà mgbawaỤdị ihe mgbawaỤdị ihe àmà mgbawa
Ụdị ihe mgbochi ọkụEX dỤdị jupụtara ájáỌpụpụ
Ụdị nchekwa abawanyelaEX naEncapsulationEX m
Ụdị barotropicSITE na pỤdị NEX n
Ụdị nchekwa dị n'imeỌpụpụ
EX i
Ụdị pụrụ icheEX s
Ụdị mbuso agha mmanụEX ma ọ bụỤdị mgbawa nke uzuzuEX A
EX B

2. Akụrụngwa Atiya:

Ngwa eletrik maka mgbawa A na-ekewa ikuku ikuku gas n'ime:

Klas I: Maka eji na coal ogbunigwe;

Klas II: Maka ojiji na ikuku gas na-agbawa agbawa na-abụghị ebe a na-egwupụta kol.

Ihe mgbawa klas II “d” yana nchekwa dị n'ime “i” A na-ekekwa akụrụngwa eletrik na IIIA, IIB, na klas IIC.

Ngwa eletrik maka ntụ ntụ gburugburu na-ekewa n'ime:

Ụdị A akụrụngwa na-egbochi uzuzu; Ụdị B akụrụngwa na-egbochi uzuzu;

Ụdị A akụrụngwa na-egbochi uzuzu; Ụdị B akụrụngwa na-egbochi uzuzu.

3. Nkọwa nke nrịbama na-egosi mgbawa:

Ikike nke ngwakọta gas na-agbawa agbawa ịgbasa mgbawa na-egosi ọkwa mgbawa ya. Ka ikike dị ukwuu ịgbasa mgbawa, ihe ize ndụ dị elu. Enwere ike gosipụta ikike a site na oke oke nchekwa nnwale. Na mgbakwunye, ịdị mfe nke gas na-agbawa agbawa, vapors, ma ọ bụ alụlụ nwere ike ịbụ gbanyere ọkụ na-egosikwa oke ihe egwu mgbawa, na-anọchi anya ya kacha nta na-enwu ugbu a. A na-ekewakwa ihe mgbawa nke klas II ma ọ bụ ngwa eletriki nchekwa dị n'ime na IIA, IIB, na IIC dabere na ha nwere ike ọdabara oke nchekwa nchekwa nnwale ma ọ bụ oke ọkụ ọkụ ugbu a.
Tebụl 2 Mmekọrịta dị n'etiti otu ngwakọta gas na-agbawa agbawa na oghere nchekwa kachasị nke nnwale ma ọ bụ ogo kacha ntanye ọkụ ugbu a

Otu gasỌdịiche nchekwa ule kachasị MESG (m m)Oke mgbanye dị ugbu a MICR kacha nta
IIAMESG≥0.9MICR :0.8
IIB0.9MESG≥0.50.8≥MICR≥0.45
IIC0.5MESG0.45MICR

4. Otu okpomọkụ:

Ihe mgbanye okpomọkụ nke ngwakọta gas na-agbawa agbawa bụ oke okpomọkụ nke enwere ike ịgbanye ya.
A na-ekewa akụrụngwa eletrik n'ime otu T1 ruo T6 dabere na okpomọkụ dị elu ha, n'ịhụ na okpomọkụ kachasị elu nke akụrụngwa anaghị agafe uru ikike nke otu okpomọkụ kwekọrọ. Mmekọrịta dị n'etiti otu okpomọkụ, akụrụngwa elu okpomọkụ, na mgbanye okpomọkụ nke na-ere ọkụ gas ma ọ bụ vapors ka egosiri na tebụl 3.

Tebụl 3 Mmekọrịta dị n'etiti Otu okpomọkụ, Okpomọkụ dị n'elu akụrụngwa, na ọkụ ọkụ nke Gases ma ọ bụ Vapors na-enwu ọkụ

Ọkwa okpomọkụ IEC/EN/GB 3836Igwe ọkụ kachasị elu nke akụrụngwa T [℃]Lgnition okpomọkụ nke combustible bekee [℃]
T1450T 450
T2300450≥T 300
T3200300≥T 200
T4135200≥T 135
T5100135≥T 100
T685100≥T:8

5. Ihe ndị achọrọ maka ịtọ akara:

(1) Ekwesịrị itinye akara nke ọma na isi akụrụngwa eletrik;
(2) Ihe nrịbama ahụ ga-adịrịrị nke ọma ma dịgidere n'okpuru mmebi kemịkalụ nwere ike ịdị. Akara akara dịka Ex, ụdị mgbawa, udi, na okpomọkụ otu nwere ike embossed ma ọ bụ debossed na anya nke casing. Ihe maka efere akara kwesịrị ịdị na-eguzogide ọgwụ, dị ka ọla kọpa, ọla kọpa, ma ọ bụ igwe anaghị agba nchara.

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