circulating pump


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circulating pump

[′sər·kyə‚lād·iŋ ′pəmp]
(chemical engineering)
Pump used to circulate process liquid out of and back into a process system, as in the circulation of distillation column bottoms through an external heater, or the circulation of storage tank bottoms to mix tank contents.
References in periodicals archive ?
The circulating pump in these systems can be powered by either AC or DC current.
A circulating pump mixes the ingredients together in a tank where the esterification (chemical reaction) process takes place.
The irregularities may lead coolant water to leak into a motor for circulating pumps for coolant, according to the company.
The STRANTROL MG/L 5 consists of the electronic module, the flow cell assembly, and the input modules and features a backlit display, a sample control valve, and a safety shutdown feature in the case of circulating pump failure and/or supply tank empty alarm and sample water failure.
A closed loop active solar water heater is made up of collectors, heat transfer fluid, circulating pump, heat exchanger, and a storage tank.
A large LED provides bath temperature readout in switchable C/F format, and a dual-speed circulating pump assures temperature uniformity.
Float valves mounted between two flanges in a line going directly to the circulating pump are subject to extra suction which holds the valve disc in the vertical or closed position even after the surge lank level drops.
Power Cool chillers also contain an integral circulating pump and storage tank and a pressure relief water by-pass circuit, allowing significant reductions in component costs and installation time to be achieved.
An integral circulating pump and up to 250 W of cooling power are combined with Intelligent Control Optimisation (ICO) to achieve PID temperature control, a technique that combines optimum stability with a rapid response to load changes such as might occur with reaction exotherms.
CF-Series liquid chillers include to 60-ton water-cooled and air-cooled units with a nonferrous coolant circuit, storage reservoir and circulating pump, electronic operating temperature control with F accuracy, and a digital display.
Other features include a 3-gal fluid reservoir, 1/3-hp circulating pump of stainless steel, and electronic control panel with easy-to-read digital display.