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除尘设备 脉冲式除尘器
2011-03-02  点击:36

<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">除尘设备<***N style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt"> <***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">脉冲式除尘器<***N style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt"> <***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">滤筒式除尘器<***N style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt"> <***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">静电除尘器<***N style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt"> <***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">袋除尘器<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">

<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">1.<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">除尘设备介绍:<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">

<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">除尘设备,是指把粉尘从烟气中分离出来的设备,也叫除尘器。大家都有戴口罩的经历,口罩就是一种简易的过滤除尘设备。除尘设备的除尘机理很简单,它与口罩的除尘机理一样,是通过滤材料对烟气中飞灰颗粒的机械拦截来实现的。但除此之外,先收到的飞灰颗粒在滤料表面还形成了一层稳定的稠密的灰层(一般称为滤饼或滤床),它又起到了很好的过滤作用,特别是用编制布做滤袋的除尘设备,这层滤床起到了主要的过滤作用。<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">

<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">2.<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">除尘设备按其作用原理分成以下五类:<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">

<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">(<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">1)<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">机械力除尘设备包括重力除尘设备、惯性除尘设备、离心除尘设备等。<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">

<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">(2)<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">洗涤式除尘设备包括水浴式除尘设备、泡沫式除尘设备,文丘里管除尘设备,水膜式除尘设备等。<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">

<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">(3)<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">过滤式除尘设备包括布袋除尘设备和颗粒层除尘设备等<***N style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt"> <***N lang=EN-US>

<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">(4)<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">静电除尘设备。<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">

<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">(5)<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">磁力除尘设备。<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">

<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">机械力除尘设备<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">

<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">  惯性除尘设备是使含尘气体与挡板撞击或者急剧改变气流方向,利用惯性力分离并捕集粉尘的除尘设备。惯性除尘设备亦称惰性除尘设备。<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">

<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">  惯性除尘设备分为碰撞式和回转式两种:前者是沿气流方向装设一道或多道挡板,含尘气体碰撞到挡板上使尘粒从气体中分离出来。显然,气体在撞到挡板之前速度越高,碰撞后越低,则携带的粉尘越少,除尘效率越高。后者是使含尘气体多次改变方向,在转向过程中把粉尘分离出来。气体转向的曲率半径越小。转向速度越多,则除尘效率越高。<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">

<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">  惯性除尘设备的性能因结构不同而异。当气体在设备内的流速为<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">10m<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">/<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">S<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">以下时,压力损失在<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">200<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">一<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">1000Pa<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">之间,除尘效率为<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">50<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">%一<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">70<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">%。在实际应用中,惯性除尘设备一般放在多级除尘系统的**级,用来分离颗粒较粗的粉尘。它特别适用于捕集粒径大于<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">10μm<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的干燥粉尘.而不适宜于清除粘结性粉尘和纤维性粉尘。惯性除尘设备还可以用来分离雾滴,此时要求气体在设备内的流速以<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">1—2m<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">/<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">s<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">为宜。<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">

<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">洗涤式除尘设备<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">

<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">  喷淋式除尘设备是在除尘设备内水通过喷嘴喷成雾状,当含尘烟气通过雾状空间时,因尘粒与液滴之间的碰撞、拦截和凝聚作用,尘粒随液滴降落下来。<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">

<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">这种除尘设备构造简单、阻力较小、操作方便。其突出的优点是除尘设备内设有很小的缝隙和孔口,可以处理含尘浓度较高的烟气而不会导致堵塞。又因为它喷淋的液滴较粗,所以不需要雾状喷嘴,这样运行更可靠,喷琳式除尘设备可以使用循环水,直至洗液中颗粒物质达到相当高的程度为止,从而大大简化了水处理设施。所以这种除尘设备至今仍有不少企业采用。它的缺点是设备体积比较**,处理细粉尘的能力比较低,需用水量比较多、所以常用来去除粉尘粒径大、含尘浓度高的烟气。<***N style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt"> <***N lang=EN-US>

<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">3.<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">用的喷淋式除尘设备依照气体和液体在除尘设备内流动型式分为三种结构:<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">

<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">  <***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">(1)<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">顺流喷淋式<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">,<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">即气体和水滴以相同的方向流动<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">

<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">  <***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">(2)<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">逆流喷淋式<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">,<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">即液体逆着气流喷射<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">

<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">  <***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">(3)<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">错流喷淋式<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">,<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">即在垂直于气流方向喷淋液体。<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">

<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">电除尘设备<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">

<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">  电除尘设备是火力发电厂必备的配套设备,它的功能是将燃灶或燃油锅炉排放烟气中的颗粒烟尘加以清除,从而大幅度降低排入大气层中的烟尘量,这是改善环境污染,提高空气质量的重要环保设备。它的工作原理是烟气通过电除尘设备主体结构前的烟道时,使其烟尘带正电荷,然后烟气进入设置多层阴极板的电除尘设备通道。由于带正电荷烟尘与阴极电板的相互吸附作用,使烟气中的颗粒烟尘吸附在阴极上,定时打击阴极板,使具有一定厚度的烟尘在自重和振动的双重作用下跌落在电除尘设备结构下方的灰斗中,从而达到清除烟气中的烟尘的目的。<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">

<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">  电除尘设备的主体结构是钢结构,全部由型钢焊接而成,外表面覆盖蒙皮(薄钢板)和保温材料,为了设计制造和安装的方便。结构设计采用分层形式,每片由框架式的若干根主梁组成,片与片之间由大梁连接。为了安装蒙皮和保温层需要,主梁之间加焊次梁,对于如此**结构,如何均按实物连接,其工作量与单元数将十分**。按工程实际设计要求和电除尘设备主体结构设计,主要考察结构强度、结构稳定性及悬挂阴极板主梁的**位移量。对于局部区域主要考察阴极板与主梁连接处在长期承受周期性打击下的疲劳损伤;阴极板上烟尘脱落的**频率选择;风载作用下结构表面蒙皮(薄板)与主、次梁连接以及它们之间刚度的**选择等等(有家做环保除尘设备很又名的公司,推荐给大家:盐城天澄除尘设备有限公司)。<***N style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt"> <***N lang=EN-US>

<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">4 <***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">除尘器的降尘效率<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">

<***N style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">袋式除尘器的降尘效率与滤袋性质、过滤速度、气体的含尘浓度和连续运行时间等因素有关,而这些因素又是相互联系和相互作用的,因此,在选择袋式除尘器的设计参数时应全面分析和综合考虑。当然。与袋式除尘器配套的风机风压和风量等除尘配件参数也会直接影响除尘效果,在设计、使用过程中亦应一起考虑。随着袋式除尘器的理论和技术研究的不断深入,如设计参数、过滤机理、滤料性能、设备结构和清灰方法等工作的进一步研究,袋式除尘器在造纸工业的生产和环境保护中将发挥更大的作用。<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; mso-bidi-font-size: 12.0pt">

<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: blue; mso-bidi-font-size: 12.0pt">5. <***N style="FONT-SIZE: 9pt; COLOR: blue; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">嘉乐滤清器厂,专业生产各种标准型号和非标准型号过滤器,运用**的管理技术,制作出性能**质量可靠的产品,服务好每一个顾客。欢迎来电洽谈!!<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: blue; mso-bidi-font-size: 12.0pt">

<***N lang=EN-US style="FONT-SIZE: 9pt; COLOR: blue; FONT-FAMILY: Verdana; mso-bidi-font-size: 10.5pt">JL-I<***N style="FONT-SIZE: 9pt; COLOR: blue; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">化效率高,处理气体能力大,性能稳定,操作方便、维修工作量小等优点。而且从结构上和脉冲阀上进行改革,解决了露天安放和压缩空气压力低的问题。适用机械、冶金、橡胶、面粉、化工、制药、碳素、建材、矿山等单位.

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