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人孔
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更新時間:2019.03.09 瀏覽次數: |
人(ren)孔(kong)(kong)是指(zhi)用于人(ren)員進出設備以便安(an)裝(zhuang)、檢(jian)修和(he)安(an)全(quan)檢(jian)查(cha)的(de)開孔(kong)(kong)結構。主要由短筒節(或(huo)短管)、法蘭和(he)帶(dai)把(ba)手的(de)人(ren)孔(kong)(kong)蓋(gai)組成(cheng)。從安(an)全(quan)檢(jian)查(cha)考慮,壓力容器要求(qiu)開設的(de)人(ren)孔(kong)(kong)數及(ji)其最小尺(chi)寸(cun)見“檢(jian)查(cha)孔(kong)(kong)”。人(ren)孔(kong)(kong)材料有碳(tan)鋼(gang)和(he)不銹鋼(gang)。按(an)受(shou)壓情況人(ren)孔(kong)(kong)分為(wei)常壓和(he)受(shou)壓人(ren)孔(kong)(kong);按(an)形(xing)(xing)狀人(ren)孔(kong)(kong)分為(wei)圓(yuan)形(xing)(xing)、橢圓(yuan)形(xing)(xing)和(he)矩形(xing)(xing)人(ren)孔(kong)(kong),矩形(xing)(xing)人(ren)孔(kong)(kong)僅適用于常壓設備;按(an)安(an)裝(zhuang)位(wei)置人(ren)孔(kong)(kong)分為(wei)水平和(he)垂直安(an)裝(zhuang)人(ren)孔(kong)(kong);人(ren)孔(kong)(kong)蓋(gai)固定方式有迥轉蓋(gai)和(he)吊(diao)蓋(gai);人(ren)孔(kong)(kong)開后(hou)速度有普通式和(he)快開式,人(ren)孔(kong)(kong)結構和(he)尺(chi)寸(cun)一般(ban)都已標準化(hua),可參照有關手冊選用或(huo)設計。 |
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