FIELD: batchers.
SUBSTANCE: invention relates to a self-testing device for automatically dispensing liquid reagents into a fluid flow and can be used in various industries. Device comprises a dispensing container, a dispenser, in the capacity of which at least one measuring tank is installed with a high-pressure gas supply line, a line of periodic supply of liquid reagent from the supply container and a liquid reagent dispensing line, on which a metering nozzle is installed, a weight testing unit equipped with a test container with a strain gage, a high-pressure gas supply line and a liquid reagent feed line, connected by a liquid reagent supply line with a liquid reagent dispensing line, as well as a control system.
EFFECT: invention provides dosing of nonvolatile liquid reagents and self-testing of separate elements of the device.
1 cl, 1 dwg
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