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更新時(shí)間：23/12/16 11:25:12 來(lái)源：<a href="http://www.hbnedu.com.cn">www.hbnedu.com.cn</a> 【<a href="javascript:self.close()">關(guān)閉</a>】 <span style="float:left;">分享: </span> <span> <script>window._bd_share_config={"common":{"bdSnsKey":{},"bdText":"","bdMini":"2","bdPic":"","bdUrl":'http://www.hbnedu.com.cn/article/show/sid/1331/id/366.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="of7tezr" class="text editor">　　下開(kāi)式堰門由啟閉油缸驅(qū)動(dòng)控制門板升降，不但節(jié)省了地下開(kāi)挖空間，而且密封牢靠。上游的水是從門板的上端溢流出來(lái)，門板可根據(jù)需要升降并且可停止在任意位置，以控制配水流量或調(diào)節(jié)上游水位，可實(shí)現(xiàn)沖洗、水位控制和流量控制等多種功能。<br /> <p> 　　設(shè)備設(shè)置雨量傳感器，當(dāng)降雨大且雨量達(dá)到設(shè)定值，下開(kāi)式堰門開(kāi)啟，限流閘門關(guān)閉，此時(shí)管內(nèi)雨水流入雨水管網(wǎng)排進(jìn)附近河流或湖泊。當(dāng)降雨減小且雨量達(dá)到設(shè)定值，雨水閘門關(guān)閉，液動(dòng)限流閘門開(kāi)啟，此時(shí)管內(nèi)污水繼續(xù)流入污水管網(wǎng)排到污水處理廠。雨天控制目標(biāo)為減少雨水流入排污管網(wǎng)，減輕污水處理廠負(fù)荷，雨量設(shè)定值由廠家現(xiàn)場(chǎng)調(diào)試確定。堰門成套設(shè)備的電氣控制柜材質(zhì)不低于不銹鋼304，戶外箱體的防護(hù)等級(jí)為IP65。 </p> <p style="text-align:center;"> <img src="/Upload/thumb_657d18bf02c3a.png" width="147" height="200" title="下開(kāi)式堰門" alt="下開(kāi)式堰門" /> </p> 　　下開(kāi)式堰門的工作原理基于根據(jù)井內(nèi)液位高低，用液壓方式自動(dòng)調(diào)節(jié)堰門的開(kāi)度，以便控制進(jìn)入下游的流量。如果下游流量超過(guò)設(shè)定值，則液動(dòng)堰門自動(dòng)降低開(kāi)度，保持下游的流量在控制范圍之內(nèi)。<br /></div> <div id="of7tezr" class="page" style="clear:both;"> 上一條： <a href="http://www.hbnedu.com.cn/xinwen/industry/show368.html">智能截流井液動(dòng)閘門的作用</a> <br> 下一條： <a href="http://www.hbnedu.com.cn/xinwen/industry/show364.html">旋轉(zhuǎn)堰門的特點(diǎn)</a> <br> </div> <h4 class="related"><span 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