菲斯特转子称培训资料2
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FLSmidth-Pfister Seminar 史密斯菲斯特技术培训会 Maintenance on DRW Feeders DRW转子秤的使用维护 转子秤的使用维护October 2011 by Peter NorekAGENDA Maintenance SeminarTopics Part 1:FAQ - Frequently Asked Questions 常见问题 Erection and Installation 设备安装 Preventive Maintenance – Part 1 定期维护 1Topics Part 2:Preventive Maintenance – Part 2 定期维护 2 Condition Based Maintenance 视情维护 Wear and Repair 磨损与修复OUR SERVICE PHILOSOPHY 我们的服务理念 Our support does not end at the sale of the equipment but it’s the beginning of a long-term partnership with our common target 设备移交并不是我们服务终点， 设备移交并不是我们服务终点，恰恰是长期服务的起点 maximum equipment efficiency at low operating costs我们共同的目标是：用最小运行成本，让设备产生最大的效益。
我们共同的目标是： 让设备产生最大的效益。
high customer satisfaction due to reliable feeder equipment客户的满意来源于设备的可靠性 客户的满意来源于设备的可靠性adequate reaction-time and fair prices 反应及时且价格合理Maintenance SeminarFAQ - Frequently Asked Questions: 常见问题Q1: Early wear / tear on sealing plates / cellular wheel 转子、 转子、密封板易磨损 Q2: Early wear / tear on blow out nozzle / drive belt 出料头、皮带易磨 出料头、 Q3: Feeding constancy 喂料的稳定性 - Coal powder feeding is not stable 下料不稳 - Sometimes feeding of coal powder break off 有时断料 - Fluctuation of rotor load 转子负荷的波动 (e.g. aeration problems, broken axial compensator and check valves 例如：助流系统故障，金属膨胀节破损，单向阀问题等 例如：助流系统故障，金属膨胀节破损，单向阀问题等) Q4: DRW sometimes jams 有时卡秤 Q5: Shut off gate could not be closed completely 闸板阀不能完全闭合 This sign in the presentation gives you the indication that this slide is related to question no. in the triangle这个标志指示：幻灯片里，对应上面问题的序号在三角型里。
这个标志指示：幻灯片里，对应上面问题的序号在三角型里。
三角型里Q1Erection and Installation 设备安装Q3Typical Installation for China 中国客户常用安装方式Local Silo 仓direct removing Coal Dust Feeder type DRW无小仓，直接下料silo wall and down pipe recommended 15°inclinationSilo Cone 仓锥 Aeration unit 助流系统 Upper Knife Gate 上面闸板阀 Down Pipe 下料管 Lower Knife Gate 下闸板阀 DRW Feeder DRW秤体Typical Installation for China 15° °Q3Mounting Instructions 安装指导Typical Installation “Errors” – flexible joint 软联接的常见安装错误flexible joint (compensator) is used to compensate installation tolerances软连接用于补偿安装的偏差 软连接用于补偿安装的偏差 补偿NON weighing equipment, based to ground / floor / etc. 不参与称重部分（送煤管道）， 不参与称重部分（送煤管道）， 在地面或楼板上固定。
应在地面或楼板上固定。
FLEXIBLE connection to SEPERATE Weighing equipment from NON weighing equipment 软联接就是把称重部分和非称重 部分分开Weighing equipment MUST be free from all static elements as ground / floor etc. 称重系统必须与地面或各种支撑分离Q3allowed tolerances must be respected refer to Mounting Instr. 550.096.60.04 MA chapter 2.6 允许公差应参照安装指导书的第2.6章节检查 允许公差应参照安装指导书的第 章节检查Typical Installation “Errors” – flexible jointTypical Installation “Errors” – feeding pipe 输送管道常见的错误安装方式feeding pipe requirements 管道的安装要求 1. shortest possible distance 最短距离 2. routing with minimized no. of bends 最少的弯头数量 3. acceleration distance between 2 bends at least 5 meter 两个弯头间的距离至少为5米 两个弯头间的距离至少为 米 4. installation preferential horizontal and vertical – no inclination 要水平或垂直安装，不要倾斜 要水平或垂直安装， 5. pipe diameter acc. blower capacity, air speed and length 管直径取决于风机风量、 管直径取决于风机风量、风速及管长度Q3Typical Installation “Errors” – feeding pipe 管道常见的错误安装方式feeding direction feeding directionincreased pressure Turbulences 增加压力， 增加压力，波动material segregation reduced speed 物料堆积， 物料堆积，减低速度Q3enlargement or reduction of the feeding pipe influences speed and pressure 扩大或缩小管直径会影响风速及风压 causes: turbulences, segregation and fluctuations 将会造成：扰动，积料， 将会造成：扰动，积料，波动Typical Installation “Errors” – feeding pipe 管道常见错误安装方式3 x 90°bends without acceleration distance between the bends directly after the feeder 煤从 秤输出直接进入3个 弯管 弯管， 秤输出直接进入 个90°弯管，没 有加速距离Q3preferential routing only vertical and horizontal distance between bends min. 5 m 最佳管道路布置应该只有水平或垂直段，两弯管间距离至少5米 最佳管道路布置应该只有水平或垂直段，两弯管间距离至少 米Typical Installation “Errors” – water and rustthrough the uncovered silo top water penetrates into the silo and feeder causes rust of the inner wear parts and reduces life time 水从仓顶渗入仓和秤里， 水从仓顶渗入仓和秤里，容易引起内衬生锈并降低使用寿命avoid water and condensation inside the rotor feeder drain water as early as possible 要及时把秤里的水放出Typical Installation “Errors” – water and rust 安装常见错误-水、锈 安装常见错误 水Q1rusty bottom sealing plate 生锈的下板rusty cellular wheel 生锈的转子the running surface of plates and cellular wheel to be cleaned up before going into operation 设备运行前要把表面清理干净 the pockets itself will be cleaned up by the pneumatic feeding 转子内室将在设备运行中， 转子内室将在设备运行中，自动被清理干净Focus on Maintenance 关注维护Maintenance on Mechanical Equipment - > Preventive Maintenance 预防性维护 a: periodic 定期维护b: condition based 视情维护Maintenance on mechanical parts 机械件维护Maintenance on mechanical equipmentLubrication 润滑case: shaft sealing and bearing 轴密封、轴承的润滑 轴密封、Weighing device 称重装置case: damper oil tank 阻尼油Air supply 气体case: outer pocket cleaning 转子外室的清扫 case: compensator cleaning 膨胀节清扫 case: mixing up outer pocket and compensator cleaning 弄混转子外腔和膨胀节的清扫Adjusting the rotor GAP转子间隙的调整Maintenance on mechanical equipmentBlow out nozzle 出料头case: high inner chamber wear 内部磨损严重 case: best air distribution adjustment 正确的风分配比例调节Drive Belt 同步带case: correct adjustment 正确的调节方法Wear rating 磨损率case: condition of sealing plates and cellular wheel 密封板及转子状态Professional Rework 专业加工Maintenance on mechanical equipmentLubrication 润滑case: shaft sealing and bearing 轴密封、轴承的润滑 轴密封、Q1Q4Maintenance – Lubrication 维护-润滑部分 维护 润滑部分using the correct lubricant and observation of the lubrication interval extend the lifetime of your equipment 正确的定期润滑可延长设备的使用寿命Lubrication shaft sealing and bearing 轴密封、 轴密封、轴承的润滑shaft bearing each 1000 oh (~40d) possible during operation in adjust mode or during a short outage 轴承每运行1000小时（后40天） 小时（ 轴承每运行 小时 天 润滑一次 shaft sealingeach 200 oh possible during operation 轴密封每运行200小时润滑 轴密封每运行 小时润滑do not mix up the sealing of the sealing rings and the bearing due to significant different intervals不要把轴密封及轴承密封的加油点搞混， 不要把轴密封及轴承密封的加油点搞混，因为它们的间隔时间有很大的不同Lubrication problems 润滑出现的问题exorbitant greasing to be avoided such as too less greasing Openings in the casing are blocked which leads to a wrong zero point要避免过少或过多加润滑油！过多的润滑油积在下壳体里，将导致秤的零点错误。
