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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p style="text-align:left;margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5; clear: both; color: rgb(51, 51, 51); font-family: Tahoma, Arial, 宋体, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-size: 22pt;"><span style="font-weight: 700;"><span style="font-family: 宋体;">气力输送系绞�/span></span></span></p><p style="text-align:left;margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5; clear: both; color: rgb(51, 51, 51); font-family: Tahoma, Arial, 宋体, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-size: 12pt;"> </span><span style="font-size: 10pt;"><span style="font-family: 宋体;">气力输送又称气流输送，是在一定条件下，利用空气流作为承载介质，在管道中搬运粉粒状固体物料的输送方法。系统主要由发送设备、输送管路、料气分离设备、气源与净化设备及电器仪表等组成。物料在管道中的流动状态是很复杂的，随着气流的速度及气流中所含物料量和物料本身料性等的不同而显著变化。根据物料在管道内的输送状态来分，</span><span style="font-family: 宋体;">整个气力输送系统可以分为以下三类：</span></span></p><p style="text-align:left;margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5; clear: both; color: rgb(51, 51, 51); font-family: Tahoma, Arial, 宋体, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-size: 10pt;"><span style="font-family: 宋体;"> </span>1.<span style="font-family: 宋体;">稀相气力输�?/span><span style="font-family: 宋体;">气流速度较高，物料悬浮在铅垂管中呈均匀分布，在水平输料中呈飞翔状态，空隙率很大。物料的输送主要靠较高速度的气流所持有的能量、�/span></span></p><p style="text-align:left;margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5; clear: both; color: rgb(51, 51, 51); font-family: Tahoma, Arial, 宋体, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-size: 10pt;"><span style="font-family: 宋体;"> </span>2.<span style="font-family: 宋体;">浓相气力输�?/span><span style="font-family: 宋体;">物料在管道内已不再均匀分布，而呈密集状态，但管道并未被物料堵塞。因而仍然是依靠气流所持有的能量来输送。这类流动状态设计的装置有高压压送和流态化输送等、�/span></span></p><p style="text-align:left;margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5; clear: both; color: rgb(51, 51, 51); font-family: Tahoma, Arial, 宋体, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-family: 宋体; font-size: 10pt;"> 从气力输送的输送机理及应用实践均表明它具有一系列的优点：低碳、环保、输送效率高，设备结构总体较灵活，维护管理方便，易于实现自动化以及有利于环境保护等。特别是用于工厂车间内部输送时，可以将输送过程和生产工艺相结合，这样有助于简化工艺过程的设备。为此，可大大地提高劳动生产率、降低成本和减少占地空间、�/span></p><p style="text-align:left;margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5; clear: both; color: rgb(51, 51, 51); font-family: Tahoma, Arial, 宋体, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-family: 宋体; font-size: 10pt;"> 概括起来，气力输送有如下的特点：</span></p><p style="text-align:left;margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5; clear: both; color: rgb(51, 51, 51); font-family: Tahoma, Arial, 宋体, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-size: 10pt;"><span style="font-family: 宋体;"> </span>1<span style="font-family: 宋体;">）输送管道能灵活地布置，从而使工厂设备工艺配置合理、�/span></span></p><p style="text-align:left;margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5; clear: both; color: rgb(51, 51, 51); font-family: Tahoma, Arial, 宋体, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-size: 10pt;"><span style="font-family: 宋体;"> </span>2<span style="font-family: 宋体;">）实现散料输送，效率高，降低包装和装卸运输费用，</span></span></p><p style="text-align:left;margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5; clear: both; color: rgb(51, 51, 51); font-family: Tahoma, Arial, 宋体, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-size: 10pt;"><span style="font-family: 宋体;"> </span>3<span style="font-family: 宋体;">）系统密闭，粉尘飞扬逸出少，环境卫生条件好、�/span></span></p><p style="text-align:left;margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5; clear: both; color: rgb(51, 51, 51); font-family: Tahoma, Arial, 宋体, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-size: 10pt;"><span style="font-family: 宋体;"> </span>4<span style="font-family: 宋体;">）运动零部件少，维修保养方便，易于实现自动化、�/span></span></p><p style="text-align:left;margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5; clear: both; color: rgb(51, 51, 51); font-family: Tahoma, Arial, 宋体, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-size: 10pt;"><span style="font-family: 宋体;"> </span>5<span style="font-family: 宋体;">）能够避免物料受潮、污损或混入其他杂物，可以保证输送物料的质量、�/span></span></p><p style="text-align:left;margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5; clear: both; color: rgb(51, 51, 51); font-family: Tahoma, Arial, 宋体, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-size: 10pt;"><span style="font-family: 宋体;"> </span>6<span style="font-family: 宋体;">）在输送过程中可以实现多种工艺操作，如混合、粉碎、分级、干燥、冷却、计量、除尘等、�/span></span></p><p style="text-align:left;margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5; clear: both; color: rgb(51, 51, 51); font-family: Tahoma, Arial, 宋体, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-size: 10pt;"><span style="font-family: 宋体;"> </span>7<span style="font-family: 宋体;">）可以进行由数点集中送往一处或由一处分散送往数点的远距离操作、�/span></span></p><p style="text-align:left;margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5; clear: both; color: rgb(51, 51, 51); font-family: Tahoma, Arial, 宋体, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-size: 10pt;"><span style="font-family: 宋体;"> </span>8<span style="font-family: 宋体;">）对于化学性能不稳定的物料，可以采用惰性气体输送、�/span></span></p><p style="text-align:left;margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5; clear: both; color: rgb(51, 51, 51); font-family: Tahoma, Arial, 宋体, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-size: 10pt;"><span style="font-family: 宋体;"> 一定程度下，与其他输送形式相比，动力消耗可能会稍大，由于输送风速较高，局部可能会产生管道磨损和被输送物料的少量破碎。当然，上述不足之处在采用合适的的输送方式如低输送风速、高混合比输送方式下可得到显著地改善，此外，被输送物料的特性也受到一定的限制，一般，当颗粒尺寸超迆�/span>30mm<span style="font-family: 宋体;">，含水量高、粘结性、吸湿性强、以及在输送过程中容易产生静电的物料其输送均较有隽�/span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5; clear: both; color: rgb(51, 51, 51); font-family: Tahoma, Arial, 宋体, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-family: 宋体; font-size: 22pt; font-weight: bold;">稀相输送（低压系统（�/span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5; clear: both; color: rgb(51, 51, 51); font-family: Tahoma, Arial, 宋体, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"> </p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5; clear: both; color: rgb(51, 51, 51); font-family: Tahoma, Arial, 宋体, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-family: 'times new roman'; font-size: 10.5pt;"> </span><span style="font-size: 10pt;"><span style="font-family: 宋体;">它是利用</span><span style="font-family: 'times new roman';">1kg/c</span><span style="font-family: 宋体;">㎡的气体压力，采用正压（压送式）或负压（吸送式）或正负压组合方式并以相当高的速度来推动或拉动物料使其通过整条输送线，因此该输送方式被称之为低压高速系统，它具有很高的气体</span><span style="font-family: 'times new roman';">-</span><span style="font-family: 宋体;">物料比、�/span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5; clear: both; color: rgb(51, 51, 51); font-family: Tahoma, Arial, 宋体, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-size: 10pt;"><span style="font-family: 宋体;">在该系统的开始端约有</span><span style="font-family: 'times new roman';">10m/s</span><span style="font-family: 'times new roman';">2</span><span style="font-family: 宋体;">左右的加速度，在末端可达</span><span style="font-family: 'times new roman';">1300m/min</span><span style="font-family: 宋体;">左右的高速，因此气流速度较高。输送管路初端压力一般低亍�/span><span style="font-family: 'times new roman';">1kg/c</span><span style="font-family: 宋体;">㎡，而末端则与大气压基本接近。稀相输送的动力一般采用空气或氮气，动力提供一般是由罗茨真空泵提供。稀相时物料在管道中呈悬浮状态，输送距离达数百米、�/span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5; clear: both; color: rgb(51, 51, 51); font-family: Tahoma, Arial, 宋体, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-family: 宋体; font-size: 10pt;">稀相负压输送的特点是可以从或散装处多点向高处一点进行物料输送、�/span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5; clear: both; color: rgb(51, 51, 51); font-family: Tahoma, Arial, 宋体, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-family: 宋体; font-size: 10pt;">稀相正压输送的特点是可以从低处一点向多点进行物料输送、�/span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5; clear: both; color: rgb(51, 51, 51); font-family: Tahoma, Arial, 宋体, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"><span style="font-family: 宋体; font-size: 10pt;">正压和负压也可进行组合应用以满足特殊要求，比较适用多点供料单点出料的输送方式以满足复杂的生产工艺要求、�/span></p><p><br/></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 暂无数据� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div class="xgfa_cont"><a href="//www.znpla.com/czfgs/solution_108.html" target="_blank" class="xgfa_cont_img"><img src="https://img1.cnpowder.com.cn/img/daily/2019/12/25/162727_731574_solution_18320.jpg"/></a> <div class="xgfa_cont_rig"><a href="//www.znpla.com/czfgs/solution_108.html" target="_blank">食品成套项目解决方案</a> <p class="xgfa_cont_txt">山西平遥兆辉食品有限公司成套油茶生产设备运行良好并验攵�/p><div class="xgfa_cont_time"> <p>2019-12-25</p></div></div></div><div class="xgfa_cont"><a href="//www.znpla.com/czfgs/solution_120.html" target="_blank" class="xgfa_cont_img"><img src="https://img1.cnpowder.com.cn/img/daily/2020/01/04/205751_078408_solution_18320.jpg"/></a> <div class="xgfa_cont_rig"><a href="//www.znpla.com/czfgs/solution_120.html" target="_blank">管链输送系统方桇�/a> <p class="xgfa_cont_txt">2.3 技术要�?.3.1 一般要求（1）提供高效、节能、低噪音的链板输送机，自动拆包机，废袋打包机，圆振筛，管链输送机，回料管链输送机，旋转卸料阀，清扫机构，管链支撑平台，电控系统，并保证是技术先迚�/p><div class="xgfa_cont_time"> <p>2020-01-04</p></div></div></div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); 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