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<script>window._bd_share_config={"common":{"bdSnsKey":{},"bdText":"","bdMini":"2","bdPic":"","bdUrl":'http:///article/show/sid/1130/id/359.html',"bdStyle":"0","bdSize":"16"},"share":{}};with(document)0[(getElementsByTagName('head')[0]||body).appendChild(createElement('script')).src='http://bdimg.share.baidu.com/static/api/js/share.js?v=89860593.js?cdnversion='+~(-new Date()/36e5)];</script> </span> </div> <ul style=" margin:10px 0px;"> </ul> <div id="osi0sie" class="text editor"> 　　20世紀(jì)后期，歐洲各國陸續(xù)展開了市政排水系統(tǒng)更新改造的相關(guān)研究。其中“負壓排水系統(tǒng)”被視為潛力的市政排水新技術(shù)，可用于替代傳統(tǒng)重力排水系統(tǒng)。又叫真空排水技術(shù)，世界各國陸續(xù)頒發(fā)了負壓排水系統(tǒng)設(shè)計規(guī)范，<br /> 　　19世紀(jì)60年代，負壓排水的概念被提出，隨即便吸引了眾多探索者。1881年，設(shè)計出世界上一套系統(tǒng)，并成功投入使用。整套排水系統(tǒng)全部采用鐵管連接，各戶的污水通過人工駕駛的蒸汽引擎小車產(chǎn)生的負壓抽吸力輸送到地下儲罐，再由儲罐提升至地面移動水箱。<br /> <p> 　　負壓排水利用管道內(nèi)負壓產(chǎn)生的氣流輸送污水。由收集單元、管道單元、負壓收集單元組成。管徑小，流速快，布置靈活。收集系統(tǒng)有足夠的響應(yīng)能力，滿足短時間內(nèi)可以出現(xiàn)的排污高峰的輸送需求。避免污水在收集室內(nèi)沉淀淤積發(fā)酵影響周邊環(huán)境，干凈衛(wèi)生；負壓排水具備備用能力，保障運維方便；系統(tǒng)全密閉無泄漏。 </p> <p> 　　負壓排水系統(tǒng)主要由截污井、負壓井、負壓站、集水管道等組成。在系統(tǒng)中，負壓站通過一定的負壓力將污水抽入集水管道中，在管道中形成一定的負壓，使污水順暢流入末端污水站或市政管網(wǎng)中，從而達到排水的目的。 </p> <p> 2024.3.7 ZG </p> <p style="text-align:center;"> <img src="/Upload/thumb_64effa5836158.jpg" width="600" height="450" title="負壓排水" alt="負壓排水" /> </p></div> <div id="0owckwm" class="page" style="clear:both;"> 上一條： <a href="http:///hyzx/zswd/show362.html">真空排水系統(tǒng)介紹及應(yīng)用</a> <br> 下一條： <a href="http:///hyzx/zswd/show358.html">原來真空排水是這樣的</a> <br> </div> <h4 class="related"><span style="font-weight:bold;height:30px;line-height:30px;font-size:13px; padding-left:10px">負壓排水相關(guān)資料</span></h4> <ul class="related-list"> <li><a target="_blank" title="負壓排水使用時會遇到的問題" href="http:///hyzx/hyzx/show306.html">負壓排水使用時會遇到的問題</a></li><li><a target="_blank" 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