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Moving Cement Powder In Concrete Batch Plants

PROBLEM:
“I can’t get cement powder to flow freely from my cement silo.”

EXPLANATION:
Ready mixed concrete batch plants take the basic components needed to form concrete, i.e. sand, rock and cement powder, and batch them together for loadout into concrete trucks. Concrete is used as a versatile construction material and there are literally tens of thousands of batch plants around North America.

Unfortunately the nature of cement powder is that it packs when in a storage condition, making it very difficult if not impossible to flow freely when needed. In consistent flow of cement powder threatened the quality of the concrete mix and the efficiency of the batch plant. Off spec concrete results in considerable waste and quite possibly expensive re-work.

SOLUTION:
Bin vibrators were considered but the fugitive vibration caused damage to peripheral equipment such as piping joints and process instrumentation. The installation of the Evasser from Monitor Technologies LLC proved to be the solution.

Clever placement of several Evasser aeration devices, recommended by Monitor Technologies application specialist and technical support personnel, kept the cement powder fluidized and flowing when required. This prevented the cement from packing, eliminating the root cause of the problem. The Evasser bin aerator operates silently from air supplied by the process plant air source so wear on the structure was not a factor.

Give Monitor Technologies a call and let us put our creative solutions to work for you!

 

 

  
Spotlight: Inventory Control
Solids Flow Detection  
Solids Flow Detection

Microwave solids flow detectors can be used in a variety of applications including feed mills & grain processing, consumer foods (cereal, sugar, cocoa, coffee), chemicals & pesticides and more. For example, one company uses Monitor’s Model SFD-2 solids flow detector to verify the flow of feed pellets through their various transport lines which involves a process where a horizontal screw auger is conveying pellets over to a vertical gravity chute.  The chute then directs the pellets to a process down below. They have carefully placed the SFD-2 so that it detects the pellets as they fall directly across the sensor face. (See Below)

Solids Flow_Pellet Application

The Model SFI and SFD-2 line of solids flow detectors from Monitor Technologies, LLC provide analog or relay outputs to indicate the flow / no-flow condition of powder and bulk solids materials in chutes and pneumatic conveying lines.  Using microwave Doppler radar technology these units are non-invasive plus extremely reliable and rugged to withstand the rigors of the installation and your process extremes. From automated systems with pneumatic lines to gravity chutes, solids flow monitors can help to improve process performance. They can assist in detecting flow problems, as well as, enhance the level of automation at a facility like turning a conveyor on or off.

For more information on Solids Flow Detectors click here or contact Monitor Technologies LLC at 800-766-6486 in the USA and 630-365-9403 worldwide.
 

>>Click here for more information about Solids Flow Detectors from Monitor Technologies.
>>Click here for more information on Plug Chute Solutions
>>Download Product Bulletin 813
 

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