電氣設備防爆英文

❶ 防爆電氣設備的防爆標志是什麼字母

你可以看一下防爆電氣國家標准GB3836.1-2010，上面對防爆標志有詳細的規定。

❷ 什麼是防爆電氣設備

簡單的理解就是在易燃易爆的場所使用的經特殊處理的用電器具及設備為防爆電氣設備

❸ 防爆電氣設備英文怎麼寫

防爆電氣設備
[電工]electrical apparatus for explosive atmospheres
例句：
若無法避免，則應根據需要選用適當版的防爆電氣設備。權
If installation can not be avoided, proper explosion-proof electrical equipment shall be selected according to needs.

❹ 防爆標志字母含義是什麼

防爆標志的完整字母為：ExdiambIIBT4。

其中：「Ex」表示防爆，「 d」表示防爆型，「 ia」表示本質安全相關的設備，「 mb」表示灌封型，「 IIB」表示出廠類型的以乙烯為氣體的氣體防爆型代表氣體，「 T4」表示防爆電氣的最高表面溫度不超過T4，即表面溫度不超過135°C。

爆炸性氣體混合物的著火溫度是可以點燃爆炸性氣體的溫度極限，根據電氣設備的最高表面溫度將其分為T1至T6組，因此T1至T6組中相應電氣設備的最高表面溫度不能超過相應溫度組的允許值，溫度組，設備表面溫度和易燃氣體或蒸氣著火溫度之間的關系。

相關內容解釋：

爆炸性氣體混合物的爆炸傳遞能力指示爆炸危險等級。爆炸性混合物的爆炸傳播能力越大，其危險就越大。炸葯混合物的炸葯傳輸能力可以通過最大測試安全距離來表示。

易燃易爆氣體，液體蒸氣和霧氣易於點燃，也表明存在爆炸危險，用最小點火電流比表示。根據適用於爆炸性氣體混合物的最大測試安全距離或最小點火電流比，II類防爆電氣設備或本安電氣設備進一步分為IIA，IIB和IIC。

❺ 防爆電氣設備型式和標志，是哪個單詞的簡寫

隔爆抄d: divide；增安e: extend；本安i: intrinsic；正壓p: pressure；油浸o: oil；充砂q: Powder filling"q"；澆封m: Encapsulation "m"

❻ 防爆電氣設備總標志如何表示，類型有哪些

防爆電氣設備總標志「Ex」表示防爆，至於具體的防爆型式的防爆標志：內

隔爆型容Ex d，充砂型Ex q，增安型Ex e，澆封型Ex m，正壓型 Ex p ，n型Ex n，本安型Ex ia，粉塵防爆型DIP A，本安型Ex ib，粉塵防爆型DIP B，油浸型Ex o，特殊性Ex s
來自南陽中天防爆

❼ 防爆電氣設備的防爆標志是什麼

防爆電氣設備的防爆標志就是指防爆電氣設備的防爆形式。防爆標志有：隔爆型「d」、增安型「e」、本質安全型「i」、油浸型「o」、充砂型「q」、澆封型"m"、n 型、特殊型"s"、粉塵防爆型等。

❽ 求一位大俠幫忙把論文翻譯成英文~100分 謝謝 燃氣鍋爐房的電氣防爆設計 摘 要：通過分析燃氣鍋爐房事故原

2 accident reason analysis

Analysis of gas boiler room the cause of the accident, there are two possible: boiler ontology explosion, boiler room to explode gas explosion concentration and explosions.

Boiler blast furnace body, because be in, or flue gas mixture in explosive existence, when achieved by fire or explosion limit, boiler heat ignites causing accidents in itself. This point and the national norm of building fire system that conform to the relevant provisions. The actual current boiler proct has considered safe proction measures to avoid it. Qualified gas boiler itself has the explosion-proof process design, such as burner in abnormal situation automatic stop, self-control device also stop output fuel, Gas boiler combustion system higher automatization, including the gas pressure is high, low limit alarm protection, when the control logic where step does not meet the conditions set start corresponding interlock protection.

Avoid the boiler exploded possibility, but still ontology exist above another possibility, can avoid? How to avoid it?

Three measures

In fact in design, according to the boiler design code "and" automatic fire alarm system design code "GB50116-1998 etc standard, we have taken the following measures:

Natural gas pipelines valves, meter, may occur gas leak place, boiler room may proce gas storage proct area [relative density 0.8, it is to be in commonly roof area in these areas], all equipped with combustible gas concentration measurement alarm device, according to combustible gas concentration situation give out sound and light alarm signal and start exhaust fan, when leakage accident concentrations reach explosion limit of the lower limit 50% [this value for reference only], but also immediately close natural air intake ct total intake solenoid valves.

In the boiler room and a natural gas pipeline in and out of the room, the incident, but also with the smoke exhaust fan combustible gas alarm interlocking (start).

Electrical, instrument by cable selection TongXin, not less than 1.5 mm2 minimum section.

Gas radiation tube tube top or the nearby, the lightning rod should be installed above the pipe jacking tip should be not less than 3m, and its scope of protection tube top above not less than 1-m.

Gas pipeline should be static grounding device that, when pipeline as metal materials, and lightning protection or electrical engineering protective grounding wire connected, the measured resistance R more than 4 Ω. In pipe joints, such as the bend, flange, valve and pipe with good place cannot metal contact, also with metal soft line will be both ends jumper.

In the boiler room and a natural gas pipeline in and out of the room door, window take pressure measures.

According to the explosion and fire dangerous environment electrical device design specification "the laws 2.2.2 bar, accord with one of the following conditions may, when the explosion danger area: devin in item 3, in the process of proction use fire equipment near, A combination of these several measures can clearly, electrical equipment selection for the explosion.

At the same time according to the explosion and fire dangerous environment electrical device design specification "the laws 2.2.2 bar, accord with one of the following conditions may, when the explosion danger area devin: the first 2 items, and the highest possible flammable explosive chroma does not exceed 10% of the lower limit, Close air intake ct natural total intake solenoid valves, concentration exceed 10% of the lower limit explosion limit, boiler room near the roof area are gas storage proct area, so lighting lamps and lanterns and switch choosing is explosion-proof type.

4 conclusion

In gas boiler room electrical design, lighting choose explosion-proof lamps, other part adopts the explosion-proof type.

references

[1] boiler design standard. GB50041-1992.

[2] explosion and fire dangerous environment electrical device design standard. GB50058-1992.

[3] the code for fire protection design of buildings. GB50016-2006.

[4] automatic fire alarm system design standard. GB50116-1998.

❾ 電氣設備防爆的類型及標志有哪些

防爆電氣設備總標志「Ex」表示防爆，至於具體的防爆型式的防爆標志：

隔爆型回Ex d，充砂型Ex q，增安型Ex e，澆封型答Ex m，正壓型 Ex p ，n型Ex n，本安型Ex ia，粉塵防爆型DIP A，本安型Ex ib，粉塵防爆型DIP B，油浸型Ex o，特殊性Ex s

❿ 電氣防爆的EXD和EXP是什麼意思，各有什麼區別

EX d是指隔爆型防爆型式，是把設備可能點燃爆炸性氣體混合物的部件全部封閉在一個回外殼內答，其外殼 能夠承受通過外殼任何接合面或結構間隙，滲透到外殼內部的可燃性混合物在內部爆炸而不 損壞，並且不會引起外部由一種、多種氣體或蒸氣形成的爆炸性環境的點燃(參見GB 3836-2標准)

EX p 是指正壓型防爆，它是一種通過保持設備外殼內部保護氣體的壓力高於周圍爆炸性 環境壓力的措施來達到安全的電氣設備(參見GB 3836-5標准)。

電氣防爆的基本型式有：

防爆型式 防爆型式標志

1. 隔爆型 Ex d

2. 增安型 Ex e

3. 正壓型 Ex p

4. 本安型 Ex ia

5. 本安型 Ex ib

6. 本安型 Ex ic

7. 油浸型 Ex o

8. 充砂型 Ex q

9. 澆封型 Ex m

10. n型 Ex n

11. 粉塵防爆型 DIP A

12. 粉塵防爆型 DIP B

13. 特殊性 Ex s