玻璃鋼罐產生負壓的原因及維護知識_陶氏膜|海德能膜|軟化樹脂 - 深圳市清源環?？萍加邢薰?/title> <meta name="keywords" content="玻璃鋼,罐,產生,負壓,的,原因,及,維護,知識," /> <meta name="description" content="玻璃鋼罐體的水處理設備使用過程中，若是反滲透設備的高壓泵直接從過濾罐中吸水，或者是系統排空時罐體位置與排空點之間存在高度差，就會形成負壓，由于玻璃鋼罐體所能承受的" /> <link rel="stylesheet" type="text/css" href="/templets/default1/css/style.css"/> <script type="text/javascript" src="/templets/default1/js/jquery-1.8.3.min.js"></script> <script type="text/javascript" src="/templets/default1/js/picmain.js"></script> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> </head> <body> <div style="position:fixed;left:-9000px;top:-9000px;"><nobr id="r3z7n"><nobr id="r3z7n"><p id="r3z7n"><var id="r3z7n"></var></p></nobr></nobr><thead id="r3z7n"><dfn id="r3z7n"></dfn></thead><ol id="r3z7n"><meter id="r3z7n"></meter></ol><cite id="r3z7n"><delect id="r3z7n"><rp id="r3z7n"><strike id="r3z7n"></strike></rp></delect></cite><dl id="r3z7n"></dl><dl id="r3z7n"><rp 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16px;">玻璃鋼罐體的水處理設備使用過程中，若是反滲透設備的高壓泵直接從過濾罐中吸水，或者是系統排空時罐體位置與排空點之間存在高度差，就會形成負壓，由于玻璃鋼罐體所能承受的最大負壓是127mmHg，若超出承受范圍，就會導致玻璃鋼罐體肩部破裂或者被吸扁。</span><br /> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif;"> 現在，我們一起來看一下現場案例</p> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; text-align: center;"> <span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">案例一</span></p> <blockquote style="border-width: 0px 0px 0px 4px; border-top-style: initial; border-right-style: initial; border-bottom-style: initial; border-left-style: solid; border-top-color: initial; border-right-color: initial; border-bottom-color: initial; border-left-color: rgb(204, 204, 204); border-image: initial; margin: 0.63em 0px 0px; padding: 0px 0px 0px 16px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif;"> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0;"> <span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">使用時間</span>：3個月</p> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0;"> <span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">問題</span>：PE內膽肩部破裂</p> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0;"> <span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">原因</span>：出水管過長并向下延伸，造成每次停機后罐體內長時間存在負壓</p> </blockquote> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; text-align: center;"> <img max-width="600" src="/uploads/allimg/180704/162325L36-0.png" style="border: 0px; margin: 10px auto 0px; padding: 0px; display: block; max-width: 100%; height: auto;" /></p> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; text-align: center;"> <span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">案例二</span></p> <blockquote style="border-width: 0px 0px 0px 4px; border-top-style: initial; border-right-style: initial; border-bottom-style: initial; border-left-style: solid; border-top-color: initial; border-right-color: initial; border-bottom-color: initial; border-left-color: rgb(204, 204, 204); border-image: initial; margin: 0.63em 0px 0px; padding: 0px 0px 0px 16px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif;"> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0;"> <span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">使用時間</span>：6個月</p> </blockquote> <blockquote style="border-width: 0px 0px 0px 4px; border-top-style: initial; border-right-style: initial; border-bottom-style: initial; border-left-style: solid; border-top-color: initial; border-right-color: initial; border-bottom-color: initial; border-left-color: rgb(204, 204, 204); border-image: initial; margin: 0px; padding: 0px 0px 0px 16px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif;"> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0;"> <span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">問題</span>：PE內膽肩部破裂</p> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0;"> <span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">原因</span>：罐體產水直接進入RO泵，每次停機時瞬間產生負壓</p> </blockquote> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; text-align: center;"> <img max-width="600" src="/uploads/allimg/180704/162325LY-1.png" style="border: 0px; margin: 10px auto 0px; padding: 0px; display: block; max-width: 100%; height: auto;" /></p> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; text-align: center;"> <span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">案例三</span></p> <blockquote style="border-width: 0px 0px 0px 4px; border-top-style: initial; border-right-style: initial; border-bottom-style: initial; border-left-style: solid; border-top-color: initial; border-right-color: initial; border-bottom-color: initial; border-left-color: rgb(204, 204, 204); border-image: initial; margin: 0.63em 0px 0px; padding: 0px 0px 0px 16px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif;"> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0;"> <span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">使用時間</span>：8個月</p> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0;"> <span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">問題</span>：PE內膽肩部破裂</p> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0;"> <span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">原因</span>：排污管道過長，向下延伸8米，罐體內反、正洗切換時瞬間產生負壓</p> </blockquote> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; text-align: center;"> <img max-width="600" src="/uploads/allimg/180704/16232521c-2.png" style="border: 0px; margin: 10px auto 0px; padding: 0px; display: block; max-width: 100%; height: auto;" /></p> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; text-align: center;"> <span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">案例四</span></p> <blockquote style="border-width: 0px 0px 0px 4px; border-top-style: initial; border-right-style: initial; border-bottom-style: initial; border-left-style: solid; border-top-color: initial; border-right-color: initial; border-bottom-color: initial; border-left-color: rgb(204, 204, 204); border-image: initial; margin: 0.63em 0px 0px; padding: 0px 0px 0px 16px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif;"> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0;"> <span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">使用時間</span>：3天</p> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0;"> <span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">問題</span>：罐體被吸扁，PE內膽未破裂</p> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0;"> <span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">原因</span>：產水管向下延伸四層樓，停泵瞬間負壓把罐體吸扁</p> </blockquote> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; text-align: center;"> <img max-width="600" src="/uploads/allimg/180704/16232511a-3.jpg" style="border: 0px; margin: 10px auto 0px; padding: 0px; display: block; max-width: 100%; height: auto;" /></p> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif;"> 經過現場勘查發現，出現這些現象的主要原因是在運行過程中，這些設備內出現持續或短暫的負壓，在經過長期多次的瞬間負壓后，罐體就會出現脫層現象，最終導致肩部破裂。</p> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif;"> <span style="font-weight: 700; border: 0px; margin: 0px; padding: 0px;">那都有哪些原因會造成罐體內產生負壓呢？</span></p> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif;"> 下面小編就給大家列舉一些常見的情況。</p> <ul style="border: 0px; margin: 0.63em 0px 1.8em; padding-right: 0px; padding-left: 0px; font-size: 16px; list-style: none; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif;"> <li style="border: 0px; margin: 0px; padding: 0px 0px 0px 1.5em; list-style-type: none;"> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0;"> 罐體（沙、碳、軟）產水直接進入RO泵，設備運行時，原水泵及RO泵同時停止，罐體內出現負壓，尤其是運行壓力較低時（小于1KG），容易出現瞬間負壓。</p> </li> <li style="border: 0px; margin: 0px; padding: 0px 0px 0px 1.5em; list-style-type: none;"> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0;"> 罐體產水管較長或低于罐體高度，設備在運行時，原水泵突然停止，此時容易產生負壓。</p> </li> <li style="border: 0px; margin: 0px; padding: 0px 0px 0px 1.5em; list-style-type: none;"> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0;"> 設備在反洗、正洗、運行之間切換時，如果排污管較長并低于罐體高度，也容易產生負壓。</p> </li> <li style="border: 0px; margin: 0px; padding: 0px 0px 0px 1.5em; list-style-type: none;"> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0;"> 操作人員的誤操作，也會經常出現負壓。</p> </li> </ul> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif;"> 除以上這些情況外，還有一些其他原因也會導致罐體負壓，在此就不一一舉例了。<br /> <br /> <br /> <strong>如何避免玻璃鋼罐產生負壓？</strong><br /> <br /> 在水處理設備的運用過程中，由于各種原因，罐體內可能會出現負壓。產生負壓最直接的后果便是罐體的破裂或者被吸扁，那該如何解決呢？<br /> <br /> 最有效的辦法便是安裝真空破壞閥（防負壓保護器，負壓閥），當設備產生負壓時，打開閥門，讓進氣口進氣，調節內外壓強差，以免罐體因長時間多次的瞬間負壓而受到損壞。<br /> </p> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; text-align: center;"> <img alt="1" src="/uploads/allimg/180704/1-1PF41622211a.JPG" style="width: 553px; height: 310px;" /></p> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif;"> △真空破壞閥<br /> <br /> 真空破壞閥效果如此明顯，該怎么正確安裝呢？<br /> <br /> 下面小編就直接上圖，讓大家一目了然。<br /> （1）頂裝式安裝示意圖</p> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; text-align: center;"> <img alt="2" src="/uploads/allimg/180704/1-1PF4162235D8.JPG" style="width: 520px; height: 258px;" /></p> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif;"> （2）4寸螺紋口側裝式安裝示意圖</p> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; text-align: center;"> <img alt="3" src="/uploads/allimg/180704/1-1PF416224bF.JPG" style="width: 388px; height: 262px;" /></p> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif;"> （3）6寸法蘭口側裝式安裝示意圖</p> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif; text-align: center;"> <img alt="4" src="/uploads/allimg/180704/1-1PF4162303520.JPG" style="width: 376px; height: 271px;" /></p> <p style="border: 0px; margin: 0.63em 0px 1.8em; padding: 0px; font-size: 16px; counter-reset: list-1 0 list-2 0 list-3 0 list-4 0 list-5 0 list-6 0 list-7 0 list-8 0 list-9 0; color: rgb(25, 25, 25); font-family: "PingFang SC", Arial, 微軟雅黑, 宋體, simsun, sans-serif;"> 看完圖，大家是否已經知道該如何安裝了呢？總而言之，就是哪里易出現負壓裝哪里就對了。</p> <br /> </div> </div> </div> <div> <div class="shang"> 上一篇：<a href='/4/3/2018/0620/235.html'>紫外線殺菌器選型和使用注意事項</a> <div class="xia"> 下一篇：<a href='/4/3/2018/0724/241.html'>采購污水處理設備時需要注意哪些問題？</a> </div> </div> </div> <div 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