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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
SiloPatrol  
SiloPatrol® SE
Inventory control of raw materials for pre-blended masonry products….

A company in Crystal Lake with 13 silos who provides pre-blended masonry products and automated mixing stations to construction sites or as they like to call it “mortar at a push of a button” was looking for a way to better control the inventory levels of their raw materials instead of having to do a “visual”. They are very proactive in trying to find ways to make themselves more cost-efficient and effective on all levels of operation. After some research they decided to go with the SiloPatrol® cable-based smart sensor (SMU) with the SiloTrackTM inventory management software from Monitor Technologies. Even though the system cost more than they initially were willing to spend, they were able to justify the expenditure because of the added benefits of time saved to manually measure the material levels and for the personnel safety reasons. Now with automatic or on-demand readings, they have better control of when they need to re-order raw materials and when the silos are getting full during refilling to prevent the downtime and clean-up costs of an over-filled silo. Plus, personnel make a lot fewer trips up the silos.

Their initial purchase was for 6 SMU’s and the SiloTrack software. Once they realized the value of the continuous level measurement system, they were able to justify the purchase of additional SMU’s for more of their silos.

SiloPatrol_Raw Material Application

Other features that they have come to appreciate about the SiloPatrol is the simplicity of installation (including wiring and set-up) for the sensor and the software, that the software works with the current PC on their desk, the sensor’s compartmental isolation of the electrical and mechanical components which eliminates much of the dust from going into the electrical area, and the ability to replace the sensor’s wiper and brush that cleans the cable without having to actually cut the cable for servicing. They also mentioned that technical support has been very responsive. They once had a computer board issue that caused software re-installation problems and technical support spent the time to talk them through the issue and shared knowledge for future prevention.

The SiloPatrol SE inventory management system is the second edition of the industry-leading cable-based smart sensor system that is designed to handle some of the harshest and most dynamic conditions imaginable. The SiloPatrol SE system incorporates state-of-the-art sensors with a wide choice of operator interfaces to fit all types of situations.

For more information on the SiloPatrol SE 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 SiloPatrol SE from Monitor Technologies.
>>Download Product Bulletin 343A

 

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