Do not think that all wells can use QJ-type wells with submersible pumps to achieve water needs, I do not know it is also conditional. Today, Xiao Bian talked about the use of submersible pumps QJ type wells for everyone to understand, we can not blindly use the conditions not allowed. The following mainly from the three aspects to illustrate the specific contents are as follows: QJ-type submersible pump with the use of requirements 1, QJ-type submersible pump power requirements: (1) centrifugal pump rated frequency of 50 Hz, the motor rated voltage should be guaranteed 380 + 5% volts three-phase AC power supply (if the user voltage is 660 volts special ordering required). (2) Transformer load power should not exceed 75% of its capacity. (3) When the transformer is farther away from the well, the voltage drop of the transmission line should be taken into consideration. For the motor with the power larger than 45KW, the distance between the transformer and the wellhead should not exceed 20m. If the transformer is larger than 20m, Level, and consider the line voltage drop. 2, QJ wells with submersible pump water quality requirements: (1) generally non-corrosive water. (2) sand content in water is not more than 0.01% (mass ratio). (3) PH value in the range of 6.5-8.5 pH. (4) chloride content in water is not greater than 400 mg / l. (5) Hydrogen sulfide content of not more than 1.5 mg / l. (6) water temperature is not higher than 20 ℃. 3, QJ-type wells with submersible pump wellbore requirements: integrity, smooth, not protruding or well pipe dislocation phenomenon, well diameter not less than the corresponding frame size. The above is the QJ-type submersible pump with the relevant requirements of the introduction, in the power, water quality, wellbore and other aspects of the proposed requirements. Therefore, not all wells can use this type of pump products, users should consider these factors in the selection, good to make a judgment. Expand to read: Pumps Valves Tube Fittings Exhibition Water Expo Xiamen Maritime Exhibition Internet + Forum Yiwu Fair Mold Top Ten Brands 2016 Exhibition Information This article belongs to Industrial Internet (Xiamen) Technology Co., Ltd. All are welcome to reprint, please note Ming author and source of: Asian pumps network editor: small L (QQ / micro-channel:) starting: http: //beng.liuti.cn/ (service hotline:)
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