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Silo Cleaning Blogs

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Posted by Dennis Blauser, July 1, 2020

Silo CleaningJust as routine silo inspections are an essential component of your maintenance program, so too are routine cleanings. Regularly cleaning your silo can help keep it operating efficiently and limit potential liabilities. Regular cleanings also increase your silo’s usable lifespan, minimize big ticket repairs, and avoid more costly cleaning expenses. Silos that are emptied regularly and refilled will not have the same buildup issues as silos that are kept topped off, but every silo can benefit from a regular cleaning schedule.

Cleaning your silo can save you money in several ways. The primary savings are in recovering stagnant material that has built up inside your silo. This prevents losing that material and the resources — time, energy, labor — that went into storing it. Depending on your material, cleaning also can help prevent degradation or contamination that occurs when material sits too long, thus reducing or destroying its value.

Routine cleaning is necessary to remove the residue buildup inside the silo that reduces the volume of new material that the filled silo can hold. In all silos, cleaning removes old material residue which, in turn, helps maintain the freshness and concentration of the newly introduced material. Every silo, no matter the design or whether it’s steel or concrete, will benefit from a regular cleaning schedule. The benefits of a professional cleaning every year far outweigh the initial costs as this maintenance step keeps your silo running at full capacity, allowing maximum efficiency and leading to more consistent production schedules with no unplanned downtime.

Routine cleaning prolongs the life of your silo. Find out more on how to keep your silo clean and why it’s important to have your silo cleaned.

To learn more, be sure to check out our full library of videos on silo cleaning, construction, inspection and repair on .

 

 
Posted by Dennis Blauser, June 1, 2020

Construction, cone angles, and the type of stored material are all factors that influence how material moves through storage silos.

Funnel Flow

Funnel flow silos are usually more cost effective to construct, costing between 20-30% less than mass flow silos, but are not suitable for all materials.

Funnel Flow Silo Diagram

The flow channel drains material in the middle first. As the silo empties, side material flows into the middle channel. Because of this flow pattern, funnel flow silos that are not emptied completely on a regular basis keep stagnant, or dead, material against the silos walls. Without scheduled emptying, this causes material to build up along the silos walls and leads to issues like ratholing or irregular flow.

Taken together, these factors can enhance particle segregation, limit your live capacity, and cause silo failure. Generally, a funnel flow pattern is only suitable for coarse, free flowing, non-degrading solids when segregation is minimal.  

Learn more about Funnel Flow Silos

Mass Flow

Mass flow silos do not experience the same material flow issues as funnel flow silos. Stored materials move down the silo as a column, with no flow channels and the first materials in are the first materials out, providing for a uniform flow.

Mass Flow Silo Diagram

Mass flow is ideal for materials that are susceptible to segregation based on particle size or density, minimized by the first in, first out flow sequence, with the segregated particles remixing as they discharge. It is an ideal flow pattern for coal or other materials that are combustible or perishable.

Learn more about Mass Flow Silos

Funnel flow and mass flow are common silo flow patterns. In addition to these two are expanded flow and fluidized flow patterns. Find out more about the different types of concrete silo flow patterns.  

To learn more, be sure to check out our full library of videos on silo maintenance, inspection and repair on YouTube Channel for Marietta Silos

 

 
Posted by Dennis Blauser, August 5, 2019

When it comes to keeping your silo clean and running efficiently day in and day out, it’s vital that you are proactive with preventive silo maintenance. One of the most important is checking your silo roof and walls to make sure they are leakproof.     

Many concrete silos have either a membrane cover, a concrete slab or other material covering the silo roof. Over time, roof covers develop holes, allowing water intrusion under the roof cover material. Once the water gets underneath, it is trapped and eventually travels along the concrete roof to a crack. Once the trapped water finds an opening, water can make its way into the silo and compromise stored materials. Natural freeze and thaw cycles allow water to expand and contract inside fine exterior cracks and jeopardize a silo’s structural stability.

Our Roof-Top and Exterior Wall Coating Method

It’s essential that your silo is completely watertight. Even pinhole leaks in silo roofs and walls can damage stored materials and can result in blockages and material flow issues. When selecting a roof covering for a concrete silo, it is critical to select a coating that adheres directly to concrete, rather than a roof cover that merely conceals the concrete roof and can hide future issues.

USA Silo Service has developed a unique silo roof and silo wall sealing method, a rubber product that applies to a concrete or steel silo roof to cover cracks, holes and equipment attachment areas.  

 

silo roof coatingroof top silo coating
Before and After Roof-Top Silo Coating

 

This sealing method can be used for roof surfaces or for steel bolted silo joints to offer excellent protection against oxidation, humidity and corrosive environments. Our rubberized coating also resists alkali, salts, abrasions and fumes.

Additional benefits of roof-top silo coatings:

  • Not a floating membrane
  • Offers excellent adhesion to aluminum, galvanized steel, painted surfaces, modified bitumen, steel joints and many other surfaces
  • Excellent in sealing cracks, laps, fasteners and roof surface penetrations
  • Available in all 50 states and in a variety of colors

Our rubber coating reduces costly reapplications of surface protectants and can be applied to many surfaces including: metal buildings and roofs, built up roof (BUR) membranes, grain silos and bins, silo exterior walls, single ply roofs, urethane foam roofs and steel bolted joints.

Our roof-top silo coating method is a proven industrial roof coating system that keeps elements out and stored materials dry. Request a quote from us today.

See Case History – Does Your Concrete Silo Roof Leak?

Be sure to check out our full library of silo maintenance videos on Marietta Silos YouTube Channel