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ATD Automated Tank Dewatering System

Tank dewatering is vital for maximizing crude oil storage and minimizing tank corrosion, but manual operations can be costly in terms of inaccuracy, manpower and environmental liabilities. The ATD Automated Tank Dewatering system ensures ATD Automated Tank Dewatering Systemmaximum storage efficiency without the danger of hydrocarbons contaminating the draw-off line.

Sold as a complete system or as individual units that users can connect to an existing PLC, the ATD uses two microwave probes to monitor water levels in the tank.  Communicating with a PLC, the system controls an MOV (motor operated valve) on the draw off line–opening when water levels rise, and closing when the emulsion layer has descended to the bottom of the tank.

The KAM ATD probe is also unique in its solid body design, preventing the accumulation of paraffin or other contaminants on the probe which prevent the probe from accurately registering rising water levels.

Click on the link below to view a Flash presentation demonstrating how the Automated Tank Dewatering system works.


HOW IT WORKS

  • The ATD uses 2 microwave probes to monitor water levels in the tank. When the probe detects the emulsion layer, it signals the closing of the MOV valve on the dewatering line. Should the valve fail to close for any reason, the second probe in the tank sets off an alarm as well as triggering the closing of the MOV valve.

KEY ADVANTAGES

  • Solid antenna design prevents tank debris from clogging probe
  • Inserts directly into the tank without the need to drain the tank
  • All requisite electronics for probes housed within unit and included in unit price

APPLICATIONS

  • Automatic Tank Dewatering
  • Desalter Optimization

ATD Automated Tank Dewatering System - Specifications

Media: Crude oil
Material: Wetted parts – 316 stainless steel
Fluid temp: To 600ºF (315ºC)*
Electronics temp: -40º to 160ºF (-40º to 70ºC)
Power: 24 VDC/1 amp at 24 watts
Accuracy: +/- 5%
Repeatability: +/- 0.01%
Resolution: +/- 0.01%
Pressure ratings: ANSI 150, 300, 600, 900, 1500, 2500 
Sensor dimensions: Ø1.5" x 1.5" (38mm x 38mm)
EX enclosures: Sensor electronics - 3" x 6" x 3" (76mm x 152mm x 76mm)
Shaft length: User defined up to 16"
Weight: from 20 lbs. (9kg)
   
   
   

ATD Automated Tank Dewatering System - Documentation



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