大型布袋除尘器的组装步骤是怎样的?

2025-03-12 11:03:57
推荐回答(2个)
回答1:

安装顺序(场地限允许条件下)?
立柱——箱体——笼梯(或步梯平台)——花板——净气室——灰斗(除气流分配器栅条及定位板)——扶栏——清灰切换系统——(滤袋安装)——喷吹系统预组装——重装喷吹管——净气室盖板——进出烟道总管——旁路系统——遮雨装置——供气系统——保温与彩板?
注意:安装完柱后,是先安装箱体还是先安装灰斗要视现场的安装条件来确定,有时几个工序可以同时进行。?
(2)安装要求?1?柱?
1.1柱距偏差:当柱距小于或等于10米时,安装偏差不大于5mm,当柱距大于10米时,安装偏差不大于7mm。?
1.2?对角线偏差:当对角线尺寸小于20米时,安装偏差不大于7mm;大于20米时,安装偏差不大于9mm。?
1.3?立柱铅垂度偏差:不大于5mm。立柱顶部标高偏差:对于零米为±5mm;各立柱顶部标高偏差:不大于5mm;各立柱顶相互偏差为3mm。?
2?箱体?2.1?箱体的拼装?
2.1.1?内板与梁的焊接要求牢固、严密。焊好后都应按图检查尺寸、形状及焊缝质量,并做好记录。?
2.1.2?立柱直线度:不大于5mm。墙板平面度:±10mm。?2.1.3?柱端及墙板上、下端槽钢端面对立柱中心线的垂直度3mm。?2.1.4?内板内表面焊缝余高小于2mm。打磨圆滑。?2.2?壳体的安装?
2.2.1?壳体必须铅垂、方正,所有尺寸须符合图纸要求。?2.2.2?调整好后柱距间偏差:不大于3mm。?2.2.3?立柱铅垂度偏差:不大于3mm。?2.2.4?壳体顶面框架的平面度:不大于3mm。?
2.2.5?横向加强筋(扁钢)需锁口水平度不大于2mm,竖向加强筋(槽钢)垂直偏差要不大于2mm。?
2.2.6?气流分配器的安装:安装前应认真测量上下框架之间的尺寸,划好安装线,保证分配板安装角度。按图安装好分配器的定位板。?
2.3?壳体的焊接?
2.3.1?袋式除尘器的内侧为全缝焊,外侧为间断焊。?
2.3.2?所有焊缝,都必须进行煤油渗漏试验,不得有虚焊、漏焊,焊后应立即检查焊口,以保证整体最终漏风率不大于3%。?
3?净气室?
净气室垂直度±1mm;净气室水平对角线±8mm;净气室平面度≤4mm。?花板的安装是重要的一步,其安装的好坏直接影响后续工作的进展。花板整块起吊安装并定位。另外,特别要注意拼接焊缝在四孔的中间位置,且沿焊缝方向不得有偏离,加强扁钢不得有断开的情况。?
3.1?花板的安装?
花板是由几块拼接焊而成,防止花板的焊接变形是关键技术。必须在工地的大平板上进行组拼、焊接,焊后整形、检漏。花板的上下加强筋必须采用对称焊接、跳焊等防变形措施。?
3.1.1?花板在吊装前应按图检查每一块花板的四个角的四分中心线的洋冲眼、平面度不大于1/1000。?
3.1.2?花板的开孔排间距允许偏差±0.2mm。?
3.1.3?先拼中央花板,保证花板的孔,排排平行、对中。?
3.1.4?再装相邻花板;焊前,重点检查对接拼焊的两块板相邻孔的排间距,允许偏差小于±0.3mm,长距离四角的孔中心对角线误差小于1mm。安装误差必须在此时校正过来。做好记录。?
3.1.5?花板的焊接应先周边后对接。?3.2?净气室内外框的安装?
3.2.1?净气内框安装前,检查花板的袋孔是否能对齐,确定无误后,组装内板框架(先点焊固定),然后在花板上定位,再确定整个框架的垂直度、平面度、水平对角线等是否达到安装要求,确定正确后,再点焊定位。净气室内板装完后,再装角钢(∠75×75×5)框架稳固整个内板框架,然后装净气室定位槽支杆、盖板定位槽、风室保温材料等等。

回答2:

布袋除尘器的安装步骤:
1.在安装布袋除尘器之前,要检查所有附件是否齐全,主机有无损伤,各部分联结是否牢固等,如有问题待解决后再进行安装。
2.设备需放置于平整、牢固的基础上。
3.设备应可靠接地(平面)。
4.电磁脉冲阀输入端插入储气筒金属管,其输出端插入除尘器喷吹管,阀两端带有橡胶密封圈和固定螺帽,电磁脉冲阀就能可靠固定与密封。
5.电器控制系统的工作原理和安装调试注意事项见电器控制系统使用说明书。
6.分水过滤减压阀安装时,必须使分水过滤减压阀所示箭头方向与压缩空气流动方向一致,减压阀的出口压力应调整为0.4~0.6MPa。
7.当除尘器安装在室外时,气过滤减压两联件、电磁脉冲阀和脉冲喷吹控制仪需要设防雨棚或罩。
8.设备在投入使用前应检查设备上的风机运转是否正常,有无异常杂声或不良状况,否则要停机待修。调试时应首先点动风机,观察风机转向,确保风机可正常运转且转向正确时方可投入使用。
9.旋动脉冲旋钮,脉冲喷吹控制仪发出指令按顺序开启电磁脉冲阀,观察清灰动作是否正确。

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