2023年1月5日,受龍川華潤燃氣公司委托,要求對其灌區、氣化區兩個區域內的電氣設備進行現場防爆安全檢測,并在獲得檢測結果之后進行防爆改造施工,就此做一個簡單的匯報。
危險區域內主要爆炸性物質及特征
現場無《爆炸危險區域劃分圖》,根據經驗評估如下:
| 危險區域 | 易燃易爆物質 | 爆炸及危險級別 | 溫度級別 |
| 1區、2區 | 易爆氣體 | IIB、IIC | T4、T5、T6 |
所涉及問題點
罐裝區
- 隔爆型三相異步電動機銘牌模糊不清晰,緊固件缺失。
- 緊急切斷閥引入電纜連接不符合要求。
- 隔爆型壓力變送器未接地。
- 可燃氣體探測器未接地。
氣化區
- 防爆型防爆電氣控制箱引入電纜連接不符合要求
- 可燃氣體探測器未接地。
- 氣相溫度傳感器未接地。
- 智能體積修正儀引入電纜連接不符合要求。
- 壓力變送器未接地。
- 急停開關銘牌缺失。
- 隔爆型三相異步電動機銘牌模糊不清晰,緊固件 缺失
- 操作柱緊固件缺失。
- 壓力傳感器未接地。
編制依據
| 序號 | 標準名稱 | 標準編號 |
|---|---|---|
| 1 | 客戶提供的有關資料 | |
| 2 | 《爆炸危險環境電力裝置設計規范》 | GB50058-2014 |
| 3 | 《通風與空調工程施工質量驗收規范》 | GB 50243-2016 |
| 4 | 《低壓配電設計規范》 | GB 50054-2011 |
| 5 | 危險場所電氣安全防爆規范 | AQ 3009-2007 |
| 6 | 爆炸性環境 第 1 部分:設備 通用要求 | GB/T 3836.1-2021 |
| 7 | 爆炸性環境 第 2 部分:由隔爆外殼“d”保護的設備 | GB/T 3836.2-2021 |
| 8 | 爆炸性環境 第 3 部分:由增安型“e”保護的設備 | GB/T 3836.3-2021 |
| 9 | 爆炸性環境 第 4 部分:由本質安全型“i”保護的設備 | GB/T 3836.4-2021 |
| 10 | 爆炸性環境 第 16 部分:電氣裝置檢查與維護 | GB/T 3836.16-2017 |
| 11 | 爆炸性環境 第 15 部分:電氣裝置的設計、選型和安裝 | GB/T 3836.15-2017 |
施工照片
![圖片[1] - 龍川華潤燃氣公司改造工程施工技術方案 - 力達唯](http://www.china895.com/wp-content/uploads/2023/10/cabe14f56f20231023184426.webp)
![圖片[2] - 龍川華潤燃氣公司改造工程施工技術方案 - 力達唯](http://www.china895.com/wp-content/uploads/2023/10/bc236c622920231023184424.webp)
![圖片[3] - 龍川華潤燃氣公司改造工程施工技術方案 - 力達唯](http://www.china895.com/wp-content/uploads/2023/10/0f7ea6bb9f20231023184425.webp)
![圖片[4] - 龍川華潤燃氣公司改造工程施工技術方案 - 力達唯](http://www.china895.com/wp-content/uploads/2023/10/cc4777322920231023184424.webp)
![圖片[5] - 龍川華潤燃氣公司改造工程施工技術方案 - 力達唯](http://www.china895.com/wp-content/uploads/2023/10/492f01b46220231023184422.webp)
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