MG-250、390

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MG 250、390,MG 250/390筒式钢球磨煤机大齿轮牙齿的修复技术的探讨 ＭＧ－２５０／３９０筒式钢球磨煤机是我自备电站的关键性设备，它担负着７５Ｔ煤粉锅炉的制粉工作，设备总重量５３Ｔ。传动方式为齿轮传动，虽然齿轮传动与其它传动型式相比，具有传动比恒定，工作可靠，效率高等优点，但齿轮在运行中不可避免地发生磨损、牙齿损坏、牙齿表面淬火层被磨掉，如果不采取有效的措施，将进一步恶化，直完全损坏。由于ＭＧ－２５０／３９０筒式钢球磨煤机的大齿轮直径３０００ｍｍ，加工工艺较为复杂，精度较高，制造费用高，故一般不采用更换新齿轮的方法来进行修复。本文仅对２５０／３９０筒式钢球磨煤机的大齿轮牙齿修复技术进行探讨。１ ２５０／３９０筒式钢球磨煤机技术特性筒体有效直径（ｍｍ）２５００筒体工作长度（ｍｍ）３９００筒体有效容积（ｍ３）１９．１４简体转速（ｒ／ｍｉｎ）装球量（Ｔ）２２出力 （Ｔ／ｈ）１０电动机型号２ＳＱ１５７－８功率 （ＫＷ）３２０电压 （Ｖ）６０００转速 （ｒ／ｍｉｎ）７４０机器总重 （Ｔ）５３外形尺寸 （ｍｍ）长１０３６５宽 ５５４０高 ４１９４２ 齿轮牙齿的修复２．１ 齿轮牙齿表面淬火修复技术２５０／３９０筒式磨煤机的大、小传动齿轮的材质为４５＃铸钢，４(本文共计3页)。

MG 250、390,摘 要：MG－250／390筒式钢球磨煤机是我自备电站的关键性设备，它担负着75T煤粉锅炉的制粉工作，设备总重量53T,传动方式为齿轮传动，虽然齿轮传动与其它传动型式相比，具有传动化恒定，工作可靠，效率高等优点，但齿轮在运行中不可避免地发生磨损，牙齿损坏，牙齿表面淬火层被磨掉，如果不采取有效的措施，将进一步恶化，直完全损坏，由于MG－250／390筒式钢球磨煤机的大齿轮直径3000mm,加工工艺较为复杂，精度较高，制造费用高，故一般不采用更换新齿轮的方法来进行修复，本文仅对250／390筒式钢球磨煤机的大齿轮牙齿修复技术进行探讨。。

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MG 250、390,鸡西神运采煤机配件销售有限位于煤矿资源十分丰富的黑龙江省鸡西市，鸡西市现已发现56个矿种，其中煤田分布广、煤种齐全，总储量80亿吨，年产原煤3000万吨。鸡西被誉为：“煤城”、“煤机之都”是我国台采煤机诞生的地方。 鸡西神运采煤机配件销售有限出售各种采煤机配件、各种阀门、标准件、密封件、进口轴承、各种采煤机电器件、专业采煤机大修，保证鸡西地产正品，对售出产品时时跟踪服务，保证质量，信誉上。 部分产品明细： MG150/375 W MG160/390 WD MG200/490 W MG250/590 W MG300/690 W MG200/500 WD MG250/600 WD MG300/700 WD MG132/320 W（WD）MG150/355 W MG132/310 BW MG200/575 W MG200/475 W MG250/591 WD MG250/601 WD（QWD）MG300/701 WD MG80/200 BW MG100/240 BW MG300 W.。。等系列采煤机配件。。

MG 250、390,章 总 论 ...................................................... 1 节 评估目的和依据 ........................................... 1 节 评估内容与方法 ........................................... 4 第三节 评估原则和程序 ........................................... 5 章 项目概况 ..................................................... 7 节 项目及建设单位基本情况 ................................... 7 节 项目主要方案 ............................................. 7 第三章 节能评估 .................................................... 22 节 项目用能总量及能源结构合理性评估 ....................... 22 节 项目与国家、地方和行业节能设计规范及标准的符合性评估 .... 28 第三节 项目能效指标分析 ..................。