布袋除尘�?参数-价格-中国粉体罐�/title>

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style="font-family:宋体">布袋除尘器（又称袋式除尘器）是一种干式滤尘装置。它适用于捕集细小、干燥、非纤维性粉尘。滤袋采用纺织的滤布或非纺织的毡制成，利用纤维织物的过滤作用对含尘气体进行过滤、�/span></span></p><p><span style=";font-family:Calibri;font-size:14px"> </span></p><p><strong><span style="font-family: 宋体;font-size: 14px"><span style="font-family:宋体">一、基本原琅�/span></span></strong></p><p style="text-indent:29px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">当含尘气体进入灰斗后，一部分较粗尘粒由于惯性碰撞，自然沉降落入灰斗，大部分尘粒随气流上升进入袋室，经滤袋过滤后，尘粒被阻留在滤袋外侧，净化后的气体则由滤袋内侧进入箱体，再由阀板孔、出风口排入大气中，达到除尘的目的。随着过滤过程的不断进行，滤袋外侧的积尘逐渐增多，除尘器的运行阻力也逐渐增高，当阻力增到预先设定值（</span>1200-1500Pa<span style="font-family:宋体">）时，清灰控制器发出信号，首先关闭提升阀板孔，以切断过滤气流，停止过滤，然后打开电磁脉冲阀，以极短的时间（</span><span style="font-family:Calibri">0.1</span><span style="font-family:宋体">秒左右）向箱体内喷入压力丹�/span><span style="font-family:Calibri">0.5-0.7MPa</span><span style="font-family:宋体">的压缩空气，压缩空气在箱体内迅速膨胀，涌入滤袋内部，使滤袋产生变形、抖动，加上逆气流的作用，滤袋外部的粉尘便被落入灰斗，清灰完毕后，提升阀再次打开，除尘器又进入过滤工作状态、�/span></span></p><p><span style=";font-family:Calibri;font-size:14px"> </span></p><p><strong><span style="font-family: 宋体;font-size: 14px"><span style="font-family:宋体">二、技术指栆�/span></span></strong></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"> <span style="font-family:宋体">除尘效率９�/span>99.9%</span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"> <span style="font-family:宋体">除尘器阻力：；�/span>1500Pa</span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"> <span style="font-family:宋体">喷吹压力９�/span>0.5-0.7MPa</span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"> <span style="font-family:宋体">出口含尘浓度９�/span>≣�span style="font-family:Calibri">30mg/Nm</span><span style="font-family:宋体">³</span></span></p><p><span style=";font-family:Calibri;font-size:14px"> </span></p><p><strong><span style="font-family: 宋体;font-size: 14px"><span style="font-family:宋体">三、采购除尘器需考虑的要紟�/span></span></strong></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px">1<span style="font-family:宋体">、处理风野�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">布袋除尘器的处理风量必须满足系统设计风量的要求，并考虑管道漏风系数。系统风量波动时，应�?*风量选用袋式除尘器、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">高温烟气中应按烟气温度折算到工况风量来选用袋式除尘器、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px">2<span style="font-family:宋体">、使用温�?/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">袋式除尘器的使用温度受以下两个条件的制约、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">＇�/span>1<span style="font-family:宋体">）滤料材质所允许的长期使用温度和短期**使用温度，一般应按长期使用温度采取、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">＇�/span>2<span style="font-family:宋体">）为防止结露，烟气温度所允许�?低限度，一般应保持除尘器内的烟气温度高于露炸�/span><span style="font-family:Calibri">15</span><span style="font-family:宋体">｝�/span><span style="font-family:Calibri">20</span><span style="font-family:宋体">℃、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">对于高温尘源，必须将含尘气体冷却至滤料能承受的温度以下。在高温烟气中往往含有大量水分子和</span>SOx<span style="font-family:宋体">，鉴亍�/span><span style="font-family:Calibri">SOx</span><span style="font-family:宋体">的酸露点较高，这时确定袋式除尘器的使用温度时，应予特别的注意、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">在净化温度接近露点的高温气体时，应以间接加热或混入高温气体等方法降低气体的相对湿度，以防结露，影响袋式除尘器的使用、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px">3<span style="font-family:宋体">、气体的组成</span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">气体的含水量，决定了露点的高低、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">在考虑被处理气体中含有可燃性、腐蚀性以及有毒性气体时，必须掌握气体的化学成分。而一般情况下，则可按照处理空气来选用袋式除尘器、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">对于可燃性气体，妁�/span>CO<span style="font-family:宋体">等，当其与氧共存时，有可能构成爆炸性混合物。若不在爆炸界限之内，可直接使用袋式除尘器，但应采用气密性高的结构，并采取防爆措施及选用电阻低的滤料。若达到爆炸界限，则应在进入除尘器前设置辅助燃烧器，待气体完全燃烧并经冷却后，才能进入袋式除尘器、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">对于腐蚀性气体，如氧化硫、氯及氯化氢、氟及氟化氢、磷酸气体等，需根据腐蚀气体的种类选择滤料、壳体材质及防腐方法等、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px">4<span style="font-family:宋体">、烟气含尘浓�?/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">烟气的入口含尘浓度对袋式除尘器的压力损失和清灰周期、滤料和箱体的磨损及排灰装置的能力等均有较大影响，浓度过大时应设预除尘、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px">5<span style="font-family:宋体">、粉尘特�?/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">＇�/span>1<span style="font-family:宋体">）附着性和凝聚性：这一属性对袋式除尘器的清灰效果和除尘效果有较大影响、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">＇�/span>2<span style="font-family:宋体">� 粒径分布：粉尘中的细微部分对于袋式除尘器的除尘效果和压力损失影响较突出；而在入口含尘浓度高和粉尘硬度大时，粗颗粒粉尘对滤料和壳体等的磨损影响较显著、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">＇�/span>3<span style="font-family:宋体">）粒子形状：通常在过滤特殊形状的粉尘时，才考虑此因素。例如纤维性粉尘，因容易凝聚成絮状物而难以被清离滤袋，因而袋式除尘器应采用外滤式，适当降低过滤风速，并采用特殊清灰措施、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">＇�/span>4<span style="font-family:宋体">� 粒子的密度：粉尘假密度越小，清灰便越困难，因而必须适当降低过滤风速。此外，假密度直接影响卸灰装置的能力、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">＇�/span>5<span style="font-family:宋体">）吸湿性和潮解性：具有较强吸湿性和潮解性的粉尘，极易在除尘滤袋表面吸湿而固化或潮解成稠状物，致使袋式除尘器压力损失增大而不能工作。在过滤这些粉尘时，必须采取包括加热保温在内的措施、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">＇�/span>6<span style="font-family:宋体">� 磨啄性：磨啄性强的粉尘系指硬度高且粒度粗的粉尘，它们容易磨损滤袋和壳体等，应设法防止或减轻其危害、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">＇�/span>7<span style="font-family:宋体">）带电性：容易带电的粉尘常使清灰困难，因而选择过滤风速必须适当。若粉尘可能因静电发生的火花而引起爆炸，则应采取防静电措施、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">＇�/span>8<span style="font-family:宋体">）爆炸性、可燃性：爆炸性粉尘应采取防爆防火措施、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px">6<span style="font-family:宋体">、设备阻劚�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">每一类袋式除尘器都有其一定的阻力范围。但选用时可能需根据风机能力等因素做适当的变动。此时应对过滤风速、清灰周期做相应的调整、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px">7<span style="font-family:宋体">、工作压劚�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">一般情况下，要求布袋除尘器的耐压度为</span>3000<span style="font-family:宋体">｝�/span><span style="font-family:Calibri">5000Pa(</span><span style="font-family:宋体">�?/span><span style="font-family:Calibri">300</span><span style="font-family:宋体">｝�/span><span style="font-family:Calibri">500mmH2O)</span><span style="font-family:宋体">，当采用罗茨鼓风机为动力时，要求耐压度为</span><span style="font-family:Calibri">15000</span><span style="font-family:宋体">｝�/span><span style="font-family:Calibri">50000Pa(</span><span style="font-family:宋体">�?/span><span style="font-family:Calibri">1500</span><span style="font-family:宋体">｝�/span><span style="font-family:Calibri">5000mmH2O)</span><span style="font-family:宋体">，在少数场合</span><span style="font-family:Calibri">(</span><span style="font-family:宋体">例如高炉煤气净匕�/span><span style="font-family:Calibri">)</span><span style="font-family:宋体">，要求的耐压度超迆�/span><span style="font-family:Calibri">105Pa</span><span style="font-family:宋体">、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px">8<span style="font-family:宋体">、工作环墂�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">室外安装袋式除尘器时，应考虑相应的电气系统及采取防雨措施、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">袋式除尘器设在有腐蚀性的气体或粉尘的环境中，或者在海岸近旁或船上，则应仔细选择除尘器的结构材质和防腐涂层、�/span></span></p><p style="text-indent:28px"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">袋式除尘器用于寒冷地带，若以压缩空气清灰或采用气缸驱动的切换阀时，必须防止压缩空气中的水分冻结，以免运转失灵、�/span></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 style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  <div class="xgzl"> <div class="cxd_tit"><span></span>相关资料</div> <div class="xgzl_box"><div 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