The magnetic pump is used to transport 98% concentrated sulfuric acid; there is no pressure at the outlet, and no flow occurs
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The magnetic pump is used to transport 98% sulfuric acid; the liquid flows from the discharge port of the tank truck to the inlet of the magnetic pump, where the length of the hose connecting to the inlet is 12 meters. From there, the magnetic pump sends the acid to the storage tank. Open the inlet valve; there is a check valve at the pump outlet, and the outlet valve is set to 1/5 of its opening. Start the pump – after it starts, the pressure gauge at the outlet shows no pressure. There is no change in the liquid level in the storage tank after 30 minutes, nor is there any decrease in the liquid level in the tank truck (the sampling port of the tank truck is open, allowing air to enter). When viewed from the rear side of the motor, the pump rotates in a clockwise direction. The pump outlet drain valve can release sulfuric acid, and no significant pressure is exerted when this acid is released; it is likely that the liquid level in the tank truck is high, above the pump’s outlet, and the static pressure is what drives the release. The pump has a head of 20 meters, a flow rate of 12.5 m3/h, and is equipped with a motor of 4 KW power. The test run with clean water went fine; I’m not sure where the problem lies I would like to ask the experts here.
It may be that the imported hose is too long or the opening degree of the outlet valve is too small, resulting in insufficient suction by the magnetic pump and thus no pressure or flow. It is recommended to check that the inlet pipeline is unobstructed, reduce the length of the hoses, increase the opening degree of the outlet valve appropriately, and try starting the machine again. Also, verify whether the rotation direction of the magnetic pump is correct, and check whether the check valve is functioning properly. If the problem persists, it may be necessary for a professional technician to inspect the magnetic pump and system configuration on site. .
All the above issues have been checked, and there are no problems. The pump that transfers fluid from the storage tank to the reactor, of the same model, has encountered the same issue; the manufacturer has been notified to address it.
There were no problems at all during the water commissioning of the magnetic pump.
If the above issues have been checked and no problems were found, then there may be a problem with the pump itself or the system configuration; it is advisable to invite technical personnel from the manufacturer to conduct an on-site inspection and address the issue. It may be necessary to inspect and adjust the internal components of the pump or the design of the system. .
The magnetism is not strong enough; it’s difficult to move it, so the model needs to be optimized. Please remember to come back and let us know once you’ve solved the problem:victory:
We have encountered similar problems before: the magnetic force of the magnetic pump diminishes over time due to improper placement or prolonged use, so we contacted the manufacturer to have the inner and outer magnetic tank assemblies replaced.
No, it’s a new pump. After removing the pump head and testing it with intermittent operation, everything is normal.