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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: True Fail-Safe Level Switch
SafePoint Level SwitchSafePoint Light  
SafePoint®
"True" Fail-Safe Level Switch

The SafePoint rotary paddle level switch with a self-validating design detects material presence plus continuously monitors its own ability to function. The analysis includes sensor health and system power failure, which makes the SafePoint truly “fail-safe”. The SafePoint incorporates patented use of Hall-Effect technology, dual outputs to indicate both material presence and unit health, and microcontroller technology to continuously protect bulk solids processing and storage from the consequences of unknown sensor failure by providing immediate indication of a sensor failure and confirmation of proper operation.

Other practical features of the SafePoint include rugged construction, motor shut-off when paddle becomes impeded to maximize motor life, twist On/Off cover for bolt free removal, and local status indicating light (except hazardous location models)

A practical application for the SafePoint would be to use this "true" fail-safe product if undetected sensor failure could result in a catastrophic process problem.

Click here for more information on the SafePoint Level Switch or contact Monitor Technologies LLC at 800-766-6486 in the USA and 630-365-9403 worldwide.
 

>>Click here to learn more about other Point Level Switches from Monitor Technologies

>>Download Product Bulletin 253
 

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