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KHX50礦用避雷器咋安裝

信息編號:63909062 發布時間:2025/8/5 18:25:55
安裝 KHX50 雖然不算復雜,但幾個關鍵步驟必須做到位:

1. 選對位置
要裝在通訊線路進入井下設備前的 "入口處",比如井口防爆墻外側,離設備不超過 1.5 米。這樣能讓線路先經過防雷器再進設備,減少感應電壓的影響。

2.接地要達標
用 4 平方毫米的銅纜做接地線,長度不超過 5 米,接地電阻必須小于 4Ω。接地極要單獨打,不能和電力設備接地共用,防止雷電流反擊。在多巖地區,可以加降阻劑降低接地電阻。

3. 接線有講究
輸入端子接外部線路,輸出端子接井下設備,千萬別接反。接線要用防松螺母固定,在振動大的地方還要纏絕緣膠帶,防止虛接發熱。礦用電纜線徑 0.4-0.8mm 都能接,兼容性很強。

4. 防爆檢查不能少
安裝完要檢查外殼密封膠圈是否完好,接線口有沒有松動。在瓦斯區域操作時,必須斷電后再開蓋,禁止用非防爆工具拆裝,確保整體防爆性能不被破壞。
以下是“KHX50礦用避雷器咋安裝”信息發布人聯系方式:

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