土工膜的制造常采用膜泡內外冷卻結合的冷卻方式-北京中瑞環?？萍脊こ坦?/title> <meta name="description" content="當使用吹塑生產HDPE土工膜時,死的融化溫度180℃以上,甚至60℃,冷卻溫度120℃以上,目前國內吹塑設備生產的土工膜一般是300 - 800公斤(h),熱容的根據2303.74 J / PE(公斤·℃),結晶熱376.8 Kj /公斤計算,因此它可以計算,每小時生產過程中,熱釋放Q = 18.8 ~ 50.2 Kj。" /> <meta name="applicable-device" content="pc,mobile"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <link rel="shortcut icon" href="tpl/images/favicon.ico" type="image/x-icon" /> <link rel="stylesheet" type="text/css" href="tpl/css/main.css" /> <link rel="stylesheet" type="text/css" href="tpl/css/style.css" /> <script type="text/javascript" src="tpl/js/comm.js"></script> <script type="text/javascript" src="tpl/js/jquery-1.8.3.min.js"></script>  <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> </head> <body> <div 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href="http://www.majubuanatravel.com/"><h4>土工膜</h4></a>,<a href="http://www.majubuanatravel.com/"><h4>防滲膜</h4></a>,<a href="http://www.majubuanatravel.com/"><h4>土工膜廠家</h4></a>,<a href="http://www.majubuanatravel.com/"><h4>土工膜價格</h4></a> 時間：2019-04-03 網址：<a href="http://www.majubuanatravel.com/">http://www.majubuanatravel.com/</a> 分享： </span> </div> <div class="thecontent"><p> 當使用吹塑生產HDPE土工膜時,死的融化溫度180℃以上,甚至60℃,冷卻溫度120℃以上,目前國內吹塑設備生產的土工膜一般是300 - 800公斤(h),熱容的根據2303.74 J / PE(公斤·℃),結晶熱376.8 Kj /公斤計算,因此它可以計算,每小時生產過程中,熱釋放Q = 18.8 ~ 50.2 Kj。釋放如此多的熱量，采用普通吹膜帶外置冷卻的空氣環，將大大減少擠出量。因此，土工膜的制造往往采用膜泡內外冷卻相結合的冷卻方法:外冷仍采用氣環和空氣冷卻。內部冷卻是空氣冷卻和水冷卻。 </p> <p> <br /> </p> <p> 氣膜冷卻吹制方法 </p> <p> <br /> </p> <p> 吹制土工膜必須先打開、壓平、單層軋制后再軋制。這不僅是為了方便鋪設，更重要的是，土工膜本身是不允許有折痕的。有折痕的土工膜在折痕處的抗拉強度和撕裂強度較低。土工膜越厚，這種缺陷就越嚴重。 </p> <p align="center"> <img onload="resize(this,700)" alt="土工膜的制造" src="/upload/image/20190403/20190403111031_39393.jpg" /> </p> <p> </p></div> <script> window._bd_share_config = { common : { bdText : '<p> 當使用吹塑生產HDPE土工膜時,死的融化溫度180℃以上,甚至60℃,冷卻溫度120℃以上,目前國內吹塑設備生產的土工膜一般是300 - 800公斤(h),熱容的根據2303.74 J / PE(公斤·℃),結晶熱376.8 Kj /公斤計算,因此它可以計算,每小時生產過程中,熱釋放Q = 18.8 ~ 50.2 Kj。釋放如此多的熱量，采用普通吹膜帶外置冷卻的空氣環，將大大減少擠出量。因此，土工膜的制造往往采用膜泡內外冷卻相結合的冷卻方法:外冷仍采用氣環和空氣冷卻。內部冷卻是空氣冷卻和水冷卻。 </p> <p> <br /> </p> <p> 氣膜冷卻吹制方法 </p> <p> <br /> </p> <p> 吹制土工膜必須先打開、壓平、單層軋制后再軋制。這不僅是為了方便鋪設，更重要的是，土工膜本身是不允許有折痕的。有折痕的土工膜在折痕處的抗拉強度和撕裂強度較低。土工膜越厚，這種缺陷就越嚴重。 </p> <p align="center"> <img onload="resize(this,700)" alt="土工膜的制造" src="/upload/image/20190403/20190403111031_39393.jpg" /> </p> <p> </p>', bdDesc : '<p> 當使用吹塑生產HDPE土工膜時,死的融化溫度180℃以上,甚至60℃,冷卻溫度120℃以上,目前國內吹塑設備生產的土工膜一般是300 - 800公斤(h),熱容的根據2303.74...', bdUrl : 'http://www.dingyajx.com/news_show.php?theid=748', bdPic : '' }, share : [{ "bdSize" : 16 }] } with(document)0[(getElementsByTagName('head')[0]||body).appendChild(createElement('script')).src='http://bdimg.share.baidu.com/static/api/js/share.js?cdnversion='+~(-new Date()/36e5)]; </script> <div class="thepageinfo"> 上一篇：<a 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