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                                                                            1. 當前位置:首頁 > 技術文檔 >
                                                                              詳細了解人孔的結構設計
                                                                              來源:不銹鋼罐壁通氣孔生產廠家    發布日期:2018-09-30 13:42:07

                                                                                  人孔已有成型產品,直徑通常為600mm。人孔中心距地板一般為750mm。便于工作人員在安裝、清洗、維護時進出油罐或通風。人孔結構是怎樣設計的呢?下面來了解一下吧!

                                                                                非金屬油罐的人孔設在罐頂上,金屬油罐的人孔設在罐壁下圈板上。大都為直徑600mm的圓孔,其中心距底板750mm,為油罐清洗或維修人員進出油罐用,又稱作道門。檢修清理油罐時刻利用人孔進行采光和通風。立式油罐的容量在5000m3以下時設1~2個人孔,5000m3以上的設2個人孔。人孔的安裝應與進出油管線相隔不大于90°。當只設一個人孔時,應將其置于罐頂透光孔的對面;當設2個人孔時,其中一個設在透光孔的對面,另一個應至少與一個人孔相隔90°。

                                                                              人孔

                                                                                人孔應有一個設在進出油管右側附近,并盡量使人孔正對罐室密閉門,以便人員進出、維修油罐和通風接管用。由于人孔安裝在油罐的下層體圈上,防滲漏就顯得特別重要。要求兩法蘭結合面必須保證其平直度,無飄扭現象。加強板和法蘭應盡量在整塊鋼板上切割而不拼接。法蘭和蓋板上加工有密封圈,在施工中要特別注意保護。密封用3mm厚石棉橡膠墊片,不允許有折裂。安裝人孔蓋板上緊螺栓時,要成對角均勻用力,以防人孔蓋變形。

                                                                              QJB型快速接頭
                                                                              垂直吊蓋人孔
                                                                              T型過濾器
                                                                              Y型過濾器
                                                                              方圓節
                                                                              圓風門DN1200
                                                                              多頁圓風門
                                                                              人孔
                                                                              快開人孔
                                                                              矩形人孔

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