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                                        億威仕水壓爆破試驗機試驗步驟介紹

                                        2014-12-23 0

                                        水壓爆破試驗機試驗步驟:

                                        1.1、排氣:

                                        在壓力出口接上壓力容器,打開排氣閥。按下動力柜上的“注水”按鈕開始注水,排除管道和壓力容器腔內的空氣,也實現往壓力容器內預充,試驗前用預充泵提前進行氣瓶預充,以節省充裝時間。

                                        1.2、試壓:

                                        試驗時,并調節好電子稱(使之處于零位)。再次啟動高壓泵,系統開始增壓。通過比例調壓閥可以調節驅動氣源的壓力大小,從而調節輸出壓力大小和升壓速率。當被測氣瓶達到設定壓力值時,壓力傳感器發出信號,關閉驅動氣源開關切斷氣源,關閉氣控閥,增壓泵停止工作,進入保壓狀態。當達到保壓時間時,控制系統發出信號,再次啟動增壓泵進行增壓。當測試氣瓶破裂時,系統發出信號,關閉驅動氣源的開關切斷氣源,高壓泵停止工作。

                                        1.3、泄壓:

                                        系統壓力不斷增加,直至壓力容器爆破或在試驗過程中強行按“停止”按鈕,PC發出指令,PLC做出相關動作:調節電氣比例閥,使其輸出驅動氣壓為零。高壓泵由于沒有氣源,而停止工作,不再產生動力,同時打開卸壓閥,系統壓力卸掉直至壓力為零,系統才能夠再次啟動。

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