Sacrificial anode and protective cathode-oil-well pump anti-corrosive apparatus
A sacrificial anode protection and anti-corrosion device technology, applied in pumps, pumps with flexible working elements, liquid variable capacity machines, etc. Accident-like, pressure drop manufacturing cost, and the effect of saving consumption
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[0010] exist figure 1 Among them, the upper coupling 1 and the pump barrel nipple 3 are connected by threads, the anode 2 is cast on the pump barrel nipple 3 of the oil well pump, and the two ends are processed with threads, which are threadedly connected with the upper and lower couplings 1 respectively.
[0011] exist figure 2 In the shown embodiment, the upper coupling 1 is threadedly connected with the oil well pump barrel nipple 3, the anode 2 and the oil well pump barrel nipple 3 are cast together, and the upper end of the oil well pump barrel nipple is threaded with the upper collar 1, Its lower end is threadedly connected with the lower collar, and the lower end of the lower collar is threaded with the oil inlet screen pipe 8. According to calculation and experience, the natural potential formed by the anode of the oil well pump can protect the oil well pump barrel and oil pipe of 50 meters up and down. The installation of the anode of the oil well pump can be compl...
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