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style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">地址：江苏省盐城市阜宁县滤料产业园9号</span></p><p><span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">网址：www.bella-web.com</span></p> </div> </div> </div> <div class="page-message-img"> <a href="http://www.bella-web.com/inquiry/"><img src="" alt=""></a> </div> </div> </div> <div class="page-wrap-right"> <div class="xypg-right-content">  <div class="xypg-news-detail"> <h1 class="xypg-detail-title">风筒主要应用要求有哪些？</h1> <div class="xypg-detail-info-bar"> <div class="detail-info-time"><i class="icon-font icon-shijian"></i>2022-01-22 10:09:14</div> <div class="detail-info-numbers"><i class="icon-font icon-chakan"></i><script src="http://www.bella-web.com/source/include/browse.php?model=news&id=508"></script>次</div> </div> <div class="xypg-detail-con"><p style="text-indent: 2em;"><span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;"><a href='http://www.bella-web.com/' target='_blank' class='key_tag'><font><strong>风筒</strong></font></a>主要应用要求有哪些？</span></p><p style="text-indent: 2em;"><br/></p><p style="text-indent: 2em;"><span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">1.沿中心线将通风筒缩小至800mm以下，用绳索或布带固定3-4次，然后用耐磨性好的原材料包装。</span></p><p style="text-indent: 2em;"><span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">2.风筒在运输过程中，应避免机械设备的冲击和摩擦，防止日晒雨淋，禁止接触对硫化橡胶和塑料有危害的化学制品，隧道闸板应有防晒、防雨功能。储存温度应在-15℃至45℃之间，相对温度应在46%至70%之间并应远离热原1米。</span></p><p style="text-indent: 2em;"><span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">3.在风管要求的运输和储存标准下，自制造生效之日起一年内，货物的阻燃性和耐电性超过本规范。</span></p><p style="text-indent: 2em;"><span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">4.风管的选择应根据车道和离心风机排气量的规定，以及弯管、三通等独特功能的规格接时的旋风方向。</span></p><p style="text-indent: 2em;"><span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">5.应悬挂在车道上，使车道变直，拧紧悬一周后脱线，断开后修理，缓慢转弯，排除积水，降低摩擦阻力。</span></p><p style="text-indent: 2em;"><span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;"><br/></span></p><p style="text-indent: 2em;"><span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">风筒阻燃性能测试方法是什么？</span></p><p style="text-indent: 2em;"><span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">风管是纤维织物塑料涂料产品，风管布阻燃要求使用火灾，风管布不支持燃烧可以延缓火灾蔓延，降低火灾风险，如果火灾也需要确?；鹧娌换嵬ü爬┥?，所以很多客户选择风管减少一些施工隐患，使我们的项目更加?；?，更加顺畅。</span></p><p style="text-align:center"><span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;"><img src="http://cdn.myxypt.com/205b7c58/21/08/d75211652eca668b53b4e0523bfb5a1c9c36af35.jpg" width="1002" height="536" border="0" vspace="0" title="风筒" alt="风筒" style="width: 1002px; height: 536px;"/></span></p><p style="text-indent: 2em;"><span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">测试风管阻燃性能，通过酒精灯测试风管布阻燃效果，许多客户认为阻燃风管不能燃烧打火机阻燃风管，这不了解通过酒精灯燃烧时间、无火焰燃烧时间、酒精灯燃烧时间、无火焰燃烧时间、六个样品算术平均测试阻燃风管，确定风管阻燃效果是否合格。</span></p><p style="text-indent: 2em;"><span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;"><br/></span></p><p style="text-indent: 2em;"><span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">按照规定，酒精灯单焰燃烧时间12秒，平均6秒，酒精灯单火焰燃烧60秒，平均6秒20秒。这是一个合格的阻燃风筒。对使用风筒的用户也可自行检测，从闸板法兰上取下几块风筒进行检查，如燃烧时间为3-7秒，则为合格的阻燃风筒。</span></p><p style="text-indent: 2em;"><span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;"><br/></span></p><p style="text-indent: 2em;"><span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">风筒在使用中要注意哪些事项？</span></p><p style="text-indent: 2em;"><span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">风管是引导局部通风的主要设备，根据制造材料的不同，有帆布、人造革、塑料、橡胶等挠性风管，还有铁、铝制作的金属风管，其重量轻、连接悬挂简单，但通风阻力大，金风筒的通风阻力小，但占用巷道截面积大，那么使用风筒时要注意些什么？</span></p><p style="text-indent: 2em;"><span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">1.改进闸板接头，根据风筒特点选择合理的连接方式，减少漏风。</span></p><p style="text-indent: 2em;"><span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">2.减少闸板接头的数量，风筒接头是漏风、风阻增大的主要场所，每节10m风筒用砂浆连接至100m长可用于混合通风的拉出部分取得良好效果。</span></p><p style="text-indent: 2em;"><span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">3.风筒位于局部通风器与橡胶闸板的连接处，橡胶闸板被局部通风机出口的铁闸板紧靠外压环，橡皮活塞的针孔应涂胶。</span></p><p style="text-indent: 2em;"><span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">4.如果在风管出口处更换铁风管，风阻可明显降低。</span></p><p><br/></p></div> <div class="xypg-detail-tags"> <div class="tags-title"> <h3>标签</h3> <div class="baidu-share">  <div class="bshare-custom"> <a title="分享到QQ空间" class="bshare-qzone"></a> <a title="分享到新浪微博" class="bshare-sinaminiblog"></a> <a title="分享到人人网" class="bshare-renren"></a> <a title="分享到腾讯微博" class="bshare-qqmb"></a> <a title="分享到网易微博" class="bshare-neteasemb"></a> <a title="更多平台" class="bshare-more bshare-more-icon more-style-addthis"></a> <span class="BSHARE_COUNT bshare-share-count">0</span> </div> <script type="text/javascript" charset="utf-8" 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