湖北莫諾螺桿泵配件按需定制,武漢螺耐斯

管柱脫落的故障現象是：運行電流很低，基本上是電機的空載電流，除了有一股一股的氣外，井口基本上無產液，正發循環時油套連通。The failure phenomenon of the string is: the running current is very low, basically the motor's no load current. Besides the gas with a single strand of gas, the wellhead basically has no liquid production, and the oil sleeve is connected when circulating.減少管柱脫落的措施有：將油管上扣扭矩由原來的值提高到值；采用油管螺紋墊片；定子上的裝卸短節采用防松螺紋連接；采用油管錨或張力封隔器固定螺桿泵。The measures to reduce the falling off of the pipe string are as follows: increase the torque from the original value to the maximum value; use the oil pipe screw gasket; the loading and unloading joint on the stator is connected by loosening screw thread; and use the oil pipe anchor or tension packer to fix the screw pump.



Ｂ、轉子B, rotors轉子的結構也非常簡單，主體是鋼制桿件，一般外涂耐磨耐蝕的鉻合金材料。其作用是傳遞動力和寫定子形成密封腔。The structure of the rotor is also very simple, the main body is steel rod, generally coated with abrasion resistant and corrosion resistant chromium alloy material. Its function is to transfer power and write the stator to form a seal cavity.Ｃ、回轉筒C, rotary barrel回轉筒也就是一根內徑較大的油管或空心定子筒，接在定子的上部以給轉子和抽油桿桿柱以較大的回旋空間，防止轉子和抽油桿因偏心運動磨擦磨損油管。A rotary cylinder is also an oil tube or hollow stator barrel with larger inner diameter. It is connected to the upper part of the stator to provide larger swirl space for the rotor and sucker rod string, so as to prevent the rotor and sucker rod from attrition wear due to eccentric wear.

單螺桿泵工作時，兩端分別作用著液體的吸排壓力，因此對螺桿要產生軸向推力。螺桿泵廠家建議對于壓差小于10千克力/cm2的小型泵，可以采用止推軸承。此外，還通過主動螺桿的中央油孔將高壓油引入各螺桿軸套的底部，從而在螺桿下端產生一個與軸向推力方向相反的平衡推力。

　　單螺桿泵和其它容積泵一樣，當泵的排出口完全封閉時，泵內的壓力就會上升到使泵損壞或使電動機過載的危險程度。所以，螺桿泵廠家建議使用時在泵的吸排口處，就必須設置安全閥。