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            首頁 > 技術文章 > 三螺桿泵選型及特點

            三螺桿泵選型及特點

            更新時間:2015-05-29      點擊次數:2430

            三螺桿泵用來輸送溫度≤150℃、粘度3-760cSt、不含固體顆粒、無腐蝕性、具有潤滑性能的介質。適用壓力范圍:0.6-2.5Mpa;適用流量范圍:0.6-123m3/h。主要應用于燃油輸送、瀝青、液壓工程、船舶工程,石化及環保工業。

            三螺桿泵技術選型:

            型號流量出口壓力
            MPa
            轉速
            r/min
            功率KW必需汽
            蝕余量
            電機型號
            m3/hL/min軸功率電機功率
            45×3-362.8460.69500.81.1590L-6-B3
            2.7451.01.21.5100L-6-B3
            25421.61.62.2112M-6-B3
            2.4402.52.84132M1-6-B3
            4.2700.614501.01.5590L-4-B3
            4.0661.01.72.2100L1-4-B3
            3.8631.62.83100L3-4-B3
            3.5582.54.35.5132S-4-B3
            45×2-464.2700.69501.01.55100L-6-B3
            4.0661.01.72.2112M-6-B3
            6.31050.614501.52.2100L1-4-B3
            6.11011.02.33100L2-4-B3
            54×2-468.01330.89702.335100L-6-B3
            8.01331.01.52.2112M-6-B3
            142330.614502.84100L1-4-B3
            142334.04.35.5100L2-4-B3
            62×2-438.58143.40.69502.0635132S-6-B3
            8.25137.91.03.184132M1-6-B3
            13.1218.90.614503.154112M-4-B3
            12.6210.51.04.867.5132M-4-B3
            62×2-469.81630.89502.945132M1-6-B3
            9.51581.03.65.5132M2-6-B3
            15.12510.614503.65.5132S-4-B3
            14.62431.05.57.5132M-4-B3
            80×2-3617.0283.30.89504.37.55.5160M-6-B3
            25.74280.614505.47.5132M-4-B3
            25.04171.08.511160M-4-B3
            80×2-4623.9398.50.69505.57.55.5160M-6-B3
            23.1386.31.08.611160L-6-B3
            36.6610.30.614508.411160M-4-B3
            35.7594.51.013.115160L-4-B3
            80×2-5127.5485.50.69506.3115.5160L-6-B3
            26.9448.31.010.515180L-6-B3
            41.9698.30.614509.611160M-4-B3
            41.0684.11.016.018.5180M-4-B3
            90×2-3624.2403.50.69605.527.55.5160M-6-B3
            23.6394.61.08.5211160L-6-B3
            37615.90.614508.5211160M-4-B3
            36.1602.41.01315160L-4-B3
            90×2-4228.2470.90.69506.6115.5160L-6-B3
            27.5457.61.010.215180L-6-B3
            43.1718.80.614501015160L-4-B3
            41.9698.51.015.518.5180M-4-B3
            90×2-4634.0566.70.89509.7115.5160L-6-B3
            52.6875.40.614501215160L-4-B3
            52.08660.814.918.5180M-4-B3
            51.4856.11.018.622180L-4-B3
            100×2-4648.08000.895013.3155.5180L-6-B3
            72.712120.6145016.518.5180M-4-B3
            72.012000.820.422180L-4-B3
            71.211871.025.530200L-4-B3
            100×2-5156.9948.90.695012.5155.5180L-6-B3
            55.7928.61.020.830225L-6-B3
            86.91448.30.6145019.122180L-4-B3
            85.01417.21.031.837225S-4-B3
            110×2-4660.910150.695013.718.55.5200L1-6-B3
            58.9951.71.021.830255M-6-B3
            96.716110.6145021.930200L-4-B3
            94.615771.033.945255M-4-B3
            120×2-4267.911310.695015.518.55.5200L1-6-B3
            65.410901.024.530255M-6-B3
            10818020.6145024.730200L-4-B3
            10517601.038.245255M-4-B3
            120×2-4679.613270.695017.8225.5200L1-6-B3
            77.212851.028.237250M-6-B3
            12621010.6145028.537225S-4-B3
            12320591.044.155255M-4-B3
            150×2-4615826400.695034.6455.5Y280S-6-B3
            15425821.054.575Y315S-6-B3
            241.74029.70.6145053.875Y280S-4-B3
            236.53942.21.082.290Y280M-4-B3

            三螺桿泵特點:

            1、結構簡單:泵本身僅三根螺桿組成,但有多種結構形成,一般小流量,0.2-6.5m3/h泵的泵體和襯套合為 一個臥式安裝,軸封為機械密封。中等流量以上的泵襯套為一單獨的零件固定于泵體內。大流量泵多制成雙吸結構。軸根據輸送的介質不同有端面機械密封和填料密封兩種。船用泵的原動機為交流船用電機。
             2、壽命長:三螺桿泵的主要螺桿是由電動機驅動。主、從螺桿之間,螺桿與襯套之間皆有一層油膜保護,因泵的機械摩擦極小,壽命堪稱半*性。
             3、所輸的液體在泵內作軸向勻速直線運動,故壓力脈動小,流量穩定,噪音低,由于轉動部分慣性小,則起動力矩和振動很小。
             4、具有高吸入能力。
             5、為保證泵、電機及管路系統安全,中等流量以上的螺桿泵均帶有安全閥,當壓力超過安全閥設定壓力時,高壓油將回流至泵的進口。

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