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，型號：MD85-45*6礦用耐磨多級離心泵，廠家：長沙東方工業泵廠，地址：湖南省長沙市瀏陽市鎮頭鎮,東方水泵-------流動的精彩！
計量單位： 臺
適用范圍： 適用于煤碳，礦山、工廠及其它場合輸送固體顆粒含量不大于1.5%（粒徑小于0.5mm）、溫度不大于40℃的中性礦井水和其它類似的污水。
執行標準： MT/T114-2005

1、總體結構：
D(MD)型泵系臥式單吸多級分段式離心泵，其吸入口位于進水段上，為水平方向，吐出口在出水段上垂直向上，用拉緊螺栓將泵的吸入段、中段、吐出段聯成一體，揚程可根據使用需要增減水泵的級數；泵的總體結構及零部件組成見。

2、主要零部件的結構、工作原理
---水泵的主要零件：進水段、出水段、導葉、出水段導葉、中段、葉輪、軸、軸套、密封環、平衡環、平衡盤、尾蓋等；轉子由裝在軸上的葉輪、平衡盤等零件組成，轉子兩端由滾動軸承支撐，軸承采用油脂潤滑。
---泵的工作室由進水段、中段、導葉、出水段導葉、出水段和尾蓋共同形成，液體沿軸向單側進入，泵工作時產生的軸向力由平衡盤來平衡。
---軸封：采用軟填料密封，填料的松緊程度必須適當，以液體能一滴一滴的滲出為宜。
---傳動：泵通過彈性聯軸器由電機直接驅動；從電機方向看，泵為順時針方向旋轉。
---密封環：防止水泵中高壓水漏回進水部位，磨損后可更換。
---平衡盤: 位于出水段與尾蓋之間，用于平衡軸向力。
---平衡環、平衡套：固定在出水段上，它們與平衡盤共同組成平衡裝置。
---軸套: 在兩填料室處，磨損后可更換。
---工作原理 ：泵軸在電動機的帶動下旋轉，對液體作功，使其能量增加，從而使需要數量的液體，由吸入池經泵的過流部件送到要求的高處或要求壓力的地方。

3、技術參數
流量：85m3/h
揚程：270m，最大顆粒度0.5mm。
電機功率：110KW-2
汽蝕余量：（允許吸上真空高度）4.2m
產品描述
MD型礦用多級耐磨離心泵是我公司在引進、消化、吸收先進技術基礎上研制開發成功的，該產品不僅效率高、汽蝕性能好、關鍵是運行平穩可靠。過流部件采用合金耐磨材料且摩擦副和過流間隙配合部位進行熱噴焊等特殊工藝處理。

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