新闻山东ONLINE XANTO 2000R厂家进口
分析:1.三次吸风机喘振均发生在升负荷过程中,且处于8负荷以上。由于在高负荷时,烟气量较大,烟气侧阻力较大。#1吸风机在两台风机并联运行中流量偏小,且由于调节系统的原因,#1吸风机动叶先动作,造成#1吸风机进入喘振区,发生喘振。针对这种现象,要求运行人员在负荷高于45MW,升负荷过程中,专人注意吸风机画面,一旦发现吸风机电流偏差大于1A,立即解除自动,手动调节。建议增加吸风机电流偏差大报警,便于运行人员及时发现异常工况。吸风机发生喘振的原因是通风系统阻力增加造成的。如:回转式空预器堵灰,风道系统档板误动等。针对这种现象采取一定的措施:提高风道系统档板的可靠性。加强空预器吹灰。加强空预器差压的监视和分析,差压超过1.1Kpa,检查空预器换热元件,及时进行高压水冲洗或碱洗。吸风机发生喘振后,必须正确处理。应及时关小喘振风机动叶,直至消除喘振,也要及时关小另一台风机动叶,防止超电流运行,导致事故掉闸或损坏设备。一旦发现风机振动或轴承温度达到紧急停运条件,必须马上停止运行。
SCHNEIDER BCPME236S
CHERRY ML 4400 USE TYP.100mA SELV +4.0-+5.25V/DC
OTT 0.926.030.103-1
AECO QMP000033 SMS88-P5 2NC CR
RIEGLER 221.04-1,3
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新闻山东ONLINE XANTO 2000R厂家进口
为保证渣油泵在使用中的良好价值和贡献,渣油泵在具体的使用中需要注意以下事项:1.拆装渣油泵注意工作表面清洁,工作时油液应很好过滤。渣油泵装配配油盘与定子用定位销正确定位,叶片、转子、配油盘都不得装反,定子内表面吸入区部分易磨损,必要时可将其翻转安装,以使原吸入区变为排出区而继续使用。渣油泵的管理要点需防干转和过载、防吸入空气和吸入真空度过大外。渣油泵转向改变,则其吸排方向也改变叶片泵都有规定的转向,不允许反。
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新闻山东ONLINE XANTO 2000R厂家进口
,一只扳手敲在容器外部,从外面看无任何损伤,但在这个冲击力的作用下,里面的搪玻璃层可能会碎裂。搅拌轴的损伤在实际生产中一个较常见的操作方法是先把一批固体物料倒入容器内,然后添加液体介质,通过搅拌器将二者混合。有时,这样做是可以的,然而有时会因过载而使搅拌器无法启动,在这种情况下,操作者可能通过反复开、关来启动搅拌器,这种操作是不可取的。它可能会使搅拌轴受力过大而使搪玻璃层损坏。特别在聚合反应过程中,有时由于一种粘性物质的生成而引起搅拌轴挠度过大而使搪玻璃层损坏。
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RIEGLER 3.DM.63010
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MD MICRODETECTORS MDI58B 1168
LEUZE 50123044 CML720i-R20-470.A/PB-M12
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Italcoppie Sensori srl. CF-P-AD-3-AE
Gefran-2019 F065312 1850P-D-RRR-0-1-02-5-M0-00-0-00
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新闻山东ONLINE XANTO 2000R厂家进口
井式电阻炉拱顶与炉底的修理与筑炉井式电阻炉拱顶时的修理和筑炉注意事项:1)预先做好圆弧木模砌筑,由楔形砖和标准砖配合砌筑而成;砖头不允许缺少棱角,拱脚砖的斜度必须与拱顶楔形相吻合;砖头不允许有桧,拱顶膨胀缝应留在与端墙交接处,每米5~6mm。井式电阻炉炉底的修理和筑炉注意事项:1)井式电阻炉炉底料用绝热砖砌成花格工,在格子中间填人蛭石粉;铺高炉底必须错错缝,具有金属外壳的底衬允许双排错开。