Abstract
Safe conveyance of high-temperature molten materials is an essential facter for some advanced industries. The authors developed a new prototype pump for such applications. The pump utilized the pumping effect of a vibrating pipe system and featured a simple and novel configuration. Its structural and hydrodynamic features are different from those of previous conventional pumps. The pump structure constitutes a short vibrating pipe with a nonreturn valve, a long connecting rod and a cylindrical casing. It was driven by an air actuator. Tests were carried out with this prototype pump using high-temperature molten salt of 473 K to 673 K as a test fluid. Test results indicated that the air actuator was suitable to drive the pump and the pump performance was stable even at such high temperatures.
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