Hawk Australia | 

Mining Industry


Area Sump Pump

coal_sumps_preparation

Application Conditions: Slurry, water, froth, foam, condensation, splash, build-up of sludge.

Level Technology Choice: Pressure transmitters, Conductivity switch, Admittance Switch, Vibration switch, ultrasonic transmitter, float balls.

Because sump pumps can be washing down sumps, it means that the liquid can vary from water to slurry. There can be detergents which can create froth and foam. Anything that is intrusive will require constant cleaning and routine maintenance. This is an area that generally is paid very little attention too during the design phase, because of costs. Low cost float balls, conductivity switches, admittance probes, vibration switches, will work at the start, but require cleaning schedules to keep them operating. Because the liquid varies, the specific density will change so pressure transmitters are not the answer as well.

Lower frequency transmitters like the 20 kHz transmitter will handle the range, froth, foam, condensation, agitation and splash conditions. They are self cleaning and the extra cost in purchasing a non intrusive level technology will pay in the longer term.

The 20 kHz transmitter can be operated off 2 wire comms Foundation FieldBus as well as ProfiBus PA.

Application References:
 

Improving the reliability and optimizing of dense medium sumps in coal preparation plants

Products

Gladiator Admittance Switch

The Gladiator Smart Admittance Switch is a third generation, state-of-the-art level probe, designed to operate in tough industrial environments.

Gladiator Conductivity Switch

The Gladiator Smart Conductivity Switch is a third generation, state-of-the-art level probe, designed to operate in tough industrial environments.

Gladiator Vibration Switch

The Gladiator Smart Vibration Switch is a third generation, state-of-the-art level probe, designed to operate in tough industrial environments.

Sultan - Non Contact Level Measurement

The SULTAN is a non intrusive Acoustic Wave level measurement transmitter with flexibility used for measuring liquids and solids. Remote, Integral & SMART units available. Can operate as a 2, 3 or 4 wire system.

 

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