Acid-plant Helper
Overall rating: (N/A)
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Tends furnace, absorber, cooler, scrubber, and auxiliary
equipment used in producing phosphoric acid by oxidation and
hydration of elemental phosphorus: Patrols work area; observes
water levels in scrubber, venturi-duct pan, and cooling-tower
basin; and redas flowmeter and pressure gauges on phosphorus
pump, fans, and blower to verify process conditions. Records or
calls readings to operator.
Observes flow of cooling water over
top and outer walls of furance to ensure uniform distribution,
and notifies operator of malfunction. Takes sample of cooling
water for laboratory alkalinity test.
Turns valves to transfer
acid to specified storage tanks and to start and stop water
sprays in absorber, as directed, to control acid strength.
Removes and replaces screens and filters, using wrenches.
Opens
valves to flush phosphorus pump and water-treating equipment
with staem and regenerative chemicals.
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Acid-Plant Helper
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