High-temperature magnetic drive pump is a new type of high temperature resistant product developed by Yongjia County Jicheng Pump Co., Ltd. based on the needs of users based on common magnetic pump. Water cooling device is installed between the motor and magnetic coupling to prevent pumping. The heat of high temperature medium is transmitted to the motor to maintain the normal operation of the motor so as to achieve high-temperature medium without leakage. The use temperature can reach below 350°C. Then what should be paid attention to when using high-temperature magnetic drive pump: 1. High-temperature magnetic drive pump The cooling and lubrication of bearings is based on the medium being conveyed. So absolutely no air operation is allowed. At the same time, it avoids the time and space planting caused by a power failure after the midway through the work. 2, high temperature magnetic drive pump is transported medium, if it contains solid particles, the pump inlet to increase the filter: If it contains ferromagnetic particles, need to add magnetic filter. 3. The medium to be conveyed and its temperature should be within the allowable range of the pump material. The use temperature of the high temperature magnetic drive pump is less than 280°C, the maximum working pressure is 1.6mpa, the density is less than 1840kg/m3, and the viscosity is not more than 30cm2/s. Special conditions should be strictly in accordance with the contract agreement. 4. For the medium with easy-to-precipitate product, the cleaning solution should be cleaned after use and drained from the pump. 5. After 1000 hours of normal operation of the high-temperature magnetic drive pump, it is necessary to dismantle the flaws of the bearing and the face ring, and replace the damaged parts that should not be reused. 6. The internal and external magnetic couplings of this series of pumps use high-performance permanent magnetic materials, which may cause potential damage to the following devices. Please keep the following devices away from this series of magnetic pumps. Such as calculators, computer disks, watches, etc.
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In addition high temperature magnetic drive pump common fault treatment:
1, high temperature magnetic drive pump bearing damage. High-temperature magnetic drive pump bearing material is high-density carbon, in case of pump water or impurities in the pump, it will cause bearing damage. If the coaxiality between the inner and outer magnetic rotors of the cylindrical coupling is not guaranteed, it will directly affect the bearing life.
2, lack of head. Caused by this failure are: there is air in the conveying medium, the impeller is damaged, the rotation speed is not enough, the proportion of the transported liquid is too large, and the flow rate is too large.
3, high temperature magnetic drive shaft breaks. The material used for the pump shaft of the CQB type high-temperature magnetic pump is 99% alumina ceramic. The main reason for the breakage of the pump shaft is that the shaft is torn off due to the dry running of the pump due to the dry running of the pump. When the pump is disassembled, it can be seen that the bearing has worn out. The main way to prevent the pump from breaking off is to avoid empty operation of the pump.
4, lack of traffic. The main reasons for the lack of flow include: impaired impeller, insufficient rotating speed, excessive head lift, and blockage of debris in the pipe.
5, high temperature magnetic drive pump can not hit the liquid. High-temperature magnetic drive pumps can't get liquids to be the pump's most prone to failure, and there are many reasons for this. First of all, check the suction pipe of the pump for leaks, check whether the air in the suction pipe is discharged, whether the amount of liquid poured in the high-temperature magnetic drive pump is enough, whether there is any clogging of the suction pipe, and whether the pump is checked. Reversing (especially after changing the motor or after the power line has been overhauled), it should also be noted whether the suction height of the pump is too high. If the above checks still cannot be resolved, the pump can be disassembled and inspected to see if the pump shaft is broken. Also, check whether the pump ring and the static ring are intact and whether the whole rotor can move in a small amount. If the axial movement is difficult, it can be checked whether the carbon bearing is too tightly attached to the pump shaft.
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