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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="lp4obyc" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/4/17/636978582421679264_hbhhgs_5999506.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="yicyk2k" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>河北省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>安徽人孔多少錢,人孔</p><p><span>***更新：</span>2020-07-03 10:13:26</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="w7tyuri" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">河北海浩高壓法蘭管件集團有限公司</a></p><p><span>聯(lián)系人：</span>董學文</p><p><span>郵箱: </span>1390756017@qq.com</p><p><span>電話: </span>15028729866</p><p><span>傳真: </span>0317_6866720</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0317-6866720</p><p><span>地址: </span>河北省孟村縣辛大路付林路段</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="rvkmja3" class="page-proshow02"><p class="title">詳細說明</p><div id="tcjbtac" class="box"><p><p style="text-indent:25px">人孔是指用于人員進出設(shè)備以便安裝、檢修和安全檢查的開孔結(jié)構(gòu)。主要由短筒節(jié)（或短管）、法蘭和帶把手的人孔蓋組成。從安全檢查考慮，壓力容器要求開設(shè)的人孔數(shù)及其相當小尺寸見“檢查孔”。人孔材料有碳鋼和不銹鋼。按受壓情況人孔分為常壓和受壓人孔；按形狀人孔分為圓形，安徽人孔多少錢，安徽人孔多少錢，安徽人孔多少錢、橢圓形和矩形人孔，矩形人孔*適用于常壓設(shè)備；按安裝位置人孔分為水平和垂直安裝人孔；人孔蓋固定方式有迥轉(zhuǎn)蓋和吊蓋；人孔開后速度有普通式和快開式，人孔結(jié)構(gòu)和尺寸一般都已標準化，可參照有關(guān)手冊選用或設(shè)計。安徽人孔多少錢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽人孔多少錢,人孔" src="http://tyunfile.71360.com/UpLoadFile/2019/7/4/17/636978582421679264_hbhhgs_5999506.jpg"></div><p style="text-indent:25px">人孔的規(guī)劃應(yīng)根據(jù)詳細的工藝規(guī)劃方案，先進行工藝規(guī)劃，在聯(lián)絡(luò)這個設(shè)備的規(guī)劃參數(shù)，進行相應(yīng)的機械規(guī)劃，做到歸納考慮。特別要注意人孔補強的核算，否則會形成修理人員進入儲罐類修理時的人身安全。帶芯人孔是在人孔蓋內(nèi)加設(shè)一層與罐壁弧度相等的芯板，并與罐壁齊平。一般說來，在直線通訊管道中心設(shè)置直通人孔；在直線通訊管道上有另一方向分歧通訊管道時，在分歧點上設(shè)置三通人孔；在縱橫兩條通訊管道交叉點上設(shè)置四通人孔；在弧形、彎曲管道折點上設(shè)置斜通人孔，斜通人孔有5種，每種斜通人孔的角度可適用于±7.5°范圍內(nèi)；在電信局出局處應(yīng)設(shè)置局前人孔，由于新建通訊樓的出局管道已被電纜通道取代，不再需求設(shè)置局前人孔，故在人孔類型中沒有局前人孔。沿通訊管道引出通訊樓時，可選用上述適合的人孔類型做局前人孔。水平吊蓋人孔是裝置于儲罐壁及油罐的灌頂或者下部，是制作工人或修理工人在建罐、清罐、倒罐、修理時的出入口，而人孔的強度和密封是技能關(guān)鍵。安徽人孔多少錢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽人孔多少錢,人孔" src="http://tyunfile.71360.com/UpLoadFile/2019/7/4/17/636978582421835223_hbhhgs_8833877.jpg"></div><p style="text-indent:25px">地下綜合通信管道人孔方式的設(shè)置人孔設(shè)置方式可以分為3種。（1）各管線單位**設(shè)置人孔。地下綜合通信管道各管線單位如果能**設(shè)置人孔，當然很好，不*施工維護方便，而且避免了人孔內(nèi)管線交錯。但這樣的結(jié)果是，在人行道上有限范圍內(nèi)人孔設(shè)置過多且投資太大，也不利于城市規(guī)劃及發(fā)展，甚至可能會造成地下管線資源的閑置及建設(shè)資金的沉淀，影響企業(yè)的可持續(xù)發(fā)展。（2）同類纜業(yè)務(wù)合設(shè)人孔。根據(jù)各管線單位經(jīng)營業(yè)務(wù)的不同，可以同類纜業(yè)務(wù)合設(shè)人孔。如長線與中國電信或長線與中國網(wǎng)通合設(shè)人孔，便于通信業(yè)務(wù)的銜接延續(xù)，以光纜傳輸為主的公司可以考慮合設(shè)人孔或單建人孔。公安網(wǎng)絡(luò)一般用于交通秩序的電子監(jiān)控，其傳輸媒介主要采用光纜，一般在十字路口四周或者丁字口兩側(cè)都要考慮設(shè)置人孔，人孔單設(shè)為好，也可以和有光纜傳輸?shù)墓竞显O(shè)人孔。（3）異類纜（即電纜類和光纜類）業(yè)務(wù)合設(shè)人孔。這樣，由于電纜、光纜外徑反差明顯，不易錯位，便于在人孔內(nèi)壁固定盤放、引上接續(xù)。</p><p style="text-indent:25px">人孔應(yīng)有一個設(shè)在進出油管右側(cè)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相當下層體圈上，防滲漏就顯得特別重要。要求兩法蘭結(jié)合面必須保證其平直度，無飄扭現(xiàn)象。加強板和法蘭應(yīng)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，以防孔蓋變形。。。。。。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽人孔多少錢,人孔" src="http://tyunfile.71360.com/UpLoadFile/2019/7/4/17/636978582421835223_hbhhgs_4597277.jpg"></div><p style="text-indent:25px">人孔已有成型產(chǎn)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。非金屬油罐的人孔設(shè)在罐頂上，金屬油罐的人孔設(shè)在罐壁相當下圈板上。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(shè)1~2個人孔，5000m3以上的設(shè)2個人孔。人孔的安裝應(yīng)與進出油管線相隔不大于90°。當只設(shè)一個人孔時，應(yīng)將其置于罐頂透光孔的對面；當設(shè)2個人孔時，其中一個設(shè)在透光孔的對面，另一個應(yīng)至少與***個人孔相隔90°。四川人孔報價</p><p style="text-indent:25px">安徽人孔多少錢</p><p style="text-indent:25px">人孔是安裝在儲罐頂上的安全應(yīng)急通氣裝置，通常與防火器、機械呼吸閥配套使用，既能避免因意外原因造成罐內(nèi)急劇超壓或真空時，損壞儲罐而發(fā)生事故，又有起到安全阻火作用，是保護儲罐的安全裝置，特別適用于貯存物料以氮氣封頂?shù)墓绊敵汗?。具有定壓排放、定壓吸入、開閉靈活、安全阻火、結(jié)構(gòu)緊湊、密封性能好、安全可靠等優(yōu)點。人孔分為緊急泄壓人孔、防爆阻火呼吸人孔、罐頂人孔、罐壁人孔和帶芯人孔等。人孔一般由304、316L不銹鋼鋼板或者碳鋼制作而成。安徽人孔多少錢</p><p style="text-indent:25px">河北海浩高壓法蘭管件集團有限公司成立于1997-08-27，注冊資本：50-100萬元。該公司生產(chǎn)型的公司。河北海浩管件集團是一家有限責任公司企業(yè)，一直貫徹“以人為本，服務(wù)于社會”的經(jīng)營理念;“質(zhì)量高速，誠守信譽，持續(xù)發(fā)展”的質(zhì)量方針。公司業(yè)務(wù)涵蓋[ "法蘭", "彎頭", "三通", "封頭" ]，價格合理，品質(zhì)有保證，深受廣大客戶的歡迎。河北海浩管件集團順應(yīng)時代發(fā)展和市場需求，通過**技術(shù)，力圖保證高規(guī)格高質(zhì)量的[ "法蘭", "彎頭", "三通", "封頭" ]。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/479102.html</p></div></div></div></div></div><div id="hr2skw7" class="page-right twoColRt"><div id="yhj2dkm" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="k3fxzgd" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="yiffrya" class="recomPic likePro"><a 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