High temperature molten salt pump reasons for turning

why high temperature molten salt pump turning?

high temperature molten salt pump device using the instructions on using the matters needing attention in the second article is: the boot in molten salt melt, manual turning ability to easily. Why turning?

1。 To see the high temperature molten salt pump has all the normal phenomenon, such as rolling parts stuck, sundry jam impeller, molten salt groove of the molten salt coagulation, packing too tight or too loose, shaft seal leakage, bearing oil shortage, shaft bending deformation, etc.

3。 Plate of the pump to see, whether by feel the seriousness of his rolling testing even, with or without abnormal sound.

4。 Turning pump is designed to make uniform preheating, high temperature molten salt pump to see if the pump shaft bending deformation occurs.

5。 If media can not completely melt pump, the impeller condensation in molten salt, always start it blindly without turning machine, can make the motor more than the rated current of launching load is too big, and the motor burned.

down the cause of the high temperature molten salt pump

in the molten salt heat storage or using molten salt heat exchange device, some things will not find heat transfer, after exclusion of all other reasons, the flow of high temperature molten salt pump drops may also cause heat no. High temperature molten salt water pump flow down basically has the following several aspects. 1

and

if the impeller impeller passage, and is part of the port congestion, will affect the work of the impeller, lead to reduce the high temperature molten salt pump, so demand pump view to remove foreign bodies. In order to avoid the problem again, if necessary, can be set up in front of the pump inlet filter unit. High temperature molten salt pump is in commonly imported bearing is equipped with suction pipe work.

2, falling speed

needs some conditions using frequency conversion control of high temperature molten salt pump performance parameters, so the use of frequency converter control of high temperature molten salt pump speed. The flow of high temperature molten salt pump is generally proportional to speed, because the frequency converter set error or other reasons which resulted in the reduction of pump speed, high temperature molten salt pump flow will be smaller accordingly. Check the pump speed at the moment, if do not speed, check the reason, the reasonable processing.

, import of cavitation happen

may be the head of high temperature molten salt pump impeller cavitation. At the moment of the molten salt should view the molten salt tank liquid level whether meet the requirements of the lowest level, when it is necessary to add molten salt.

4 motor rotary

, because of the connection will lead to motor steering and the practical demand for the high temperature molten salt pump, in contrast, appear this kind of circumstance on the terminal on the motor after ideas with any two wire can be.

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