GB/T3836.2(2021版)全稱《爆炸性環境 第2部分:由隔爆外殼“d”保護的設備》,2021年10月11日由全國防爆電氣設備標準化技術委員會發布,于2022年5月1日正式開始實施,并廢棄了2010版本,文章最后有GB/T3836.2-2021的PDF文檔下載。

背景
隔爆型“d”是最主要的防爆型式之一,在該技術的標準化方面,我國于1983年參考IEC文件制定了GB 3836.2一1983 對其技術要求進行規定,隨后于2000年和2010年采用IEC 60079-1兩次進行修訂。2010年版標準發布實施以來,隔爆型防爆技術有了一定的新發展。在國際標準方面,相應標準現行版本為IEC 60079-1;2014,其主要技術內容也能適用于我國的情況。為適應防爆技術和產業發展,并與國際標準發展相一致,需要對GB 3836.2進行修訂。
本次修訂在采用IEC 60079-1:2014《爆炸性環境 第1部分:由隔爆外殼“d”保護的設備》主要技術內容的基礎上,進行了適當的修改以適應我國的具體情況。本文件作為專用防爆型式部分,是對GB/T3836.1的補充和修改。
范圍
本文件規定了由隔爆外殼“d”保護的爆炸性氣體環境用電氣設備結構和試驗的專用要求。本文件適用于擬在爆炸性氣體環境中使用的采用隔爆外殼“d”保護的電氣設備。本文件是對GB/T 3836.1通用要求的補充和修改。文件的要求與GB/T 3836.1的要求有沖突時,本文件的要求優先。
什么是隔爆外殼“d”
d:是隔爆型的代號,或者說是防爆標志。
隔爆外殼:外殼內部可能存在點燃爆炸性氣體環境,在發生氣體點燃或爆炸時,能承受內部爆炸性混合物爆炸產生的壓力,并阻止爆炸傳播到外殼周圍爆炸性氣體環境的外殼。
注:“隔爆型”定義為電氣設備的一種防爆型式,其外殼能夠承受通過外殼任何接合面或結構間院進入外殼內部的爆炸性混合物在內部爆炸而不損壞,并且不會引起外部由一種、多種氣體或蒸氣形成的爆炸性氣體環境的點燃。二者含意相同。
更多詳細內容請參考下方的GB/T3836.2-2021《爆炸性環境 第2部分:由隔爆外殼“d”保護的設備》PDF文件。










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