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Factors affecting the flow rate of the chemical dosing pump

2019-04-02View Original

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Is the flow rate of the inhibitor pump affected by the temperature of the inhibitor?
Reply #22019-04-02
Pumps can be broadly classified into centrifugal pumps and positive displacement pumps; regardless of the specific application in which they are used, their mode of operation remains unchanged. The dosing pump you mentioned is sometimes referred to as a metering pump; these pumps belong to the positive displacement type and operate by performing reciprocating movements. Regarding the processing medium, temperature changes affect its volume change, and precise ingredient preparation must take this factor into account.
Reply #32019-04-02
In principle, it is not affected; the dosing pump is of the positive-displacement type, and the temperature of the medium does not influence the measurement results.
Reply #42019-08-04
It depends on the unit of measurement for flow rate. Under the same operating conditions, the volumetric flow rate remains constant for positive displacement pumps, but the mass flow rate changes due to temperature effects

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