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Flow Solution Choices: Sinusoidal vs. Impacting Vibration

From NAVCO, National Air Vibrator Co.
 

 

There are two basic types of vibration that can be applied to storage vessels such as bins, hoppers and railcars as flow aids. In this article the differences and advantages or disadvantages of each are described.

One vibration type is sinusoidal. Sinusoidal vibration is commonly delivered by rotary, or “silent “ piston vibrators. Rotary vibrators are characterized as high frequency/low amplitude. Common types of rotary vibrators are Ball, Turbine and Electromechanical vibrators. With rotary vibrators, bin displacement response is proportional to the

Products & Services
Industrial vibrators use rotary or linear motion to provide consistent vibration for laboratory and industrial shakers, screeners and classifiers, and bins and hoppers. They are powered by an electric motor, pneumatic pistons, or hydraulic fluid. Search by Specification | Learn more about Industrial Vibrators
Bin Activators are solids feeders valves with integral vibrators to promote material flow and prevent material bridging.  Search by Specification | Learn more about Bin Activators
Bulk materials loaders and unloaders are used to fill and remove powders, granular substances and other bulk solids from bags, bins, boxes, carts, drums, hoppers, railcars, trucks, and silos. They often include solids feeders and break down clumps or arches to allow for the more uniform distribution of bulk materials. Search by Specification | Learn more about Bulk Material Loaders and Unloaders
Solids feeders are used to deliver powder, granular and other bulk solid materials along a process line, or to and from process units, storage bins, conveyors and product packaging. Search by Specification | Learn more about Solids Feeders
Utility meters are used to monitor the consumption of water, gas or electricity by businesses or residences. Learn more about Utility Meters
Product Announcements
Deca Vibrator - Deca Vibrator Rotary Pneumatic Turbine Vibrators
Deca's DTV Series Rotary Pneumatic Turbine Vibrators are quiet, air efficient, and operate lubrication-free. They do not require any maintenance and they are successfully used as flow aids on bins,... (read more)
Deca Vibrator - Quiet Energy-Efficient Rotary Electric Vibrators
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Metalfab, Inc. - Metalfab Bulk Bag Unloaders
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Deca Vibrator - Deca Vibrator Solves Stubborn Flow Problems
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Topics of Interest
Vibratory solids feeders include impactors, rappers, bin activators, shakers, vibrators, vibrating bottoms or other mechanical activators are used to break arches or bridges in bins or hoppers and... (Read More)
Industrial pneumatic piston vibrators are commonly installed on storage containers of all sizes including: Bins, hoppers, silos and even chutes or pipes. Vibrators effectively promote material flow by... (Read More)
A single vibrator will normally provide the necessary force to move materials from most hoppers and bins. The single vibrator installation requires that the force of vibration be transmitted to full... (Read More)
Problem: Manufacturer producing a crystalline product that then sticks to the 3/16th to ¼" thick steel hopper walls. Continuous vibration was tried but was not successful. Solution: Replace continuous... (Read More)
NEED: Customer needed to replace a portable belt conveyor with an enclosed feeder system to convey ferro manganese to a refractory furnace. SOLUTION: CVC fabricated a feeder 12" in diameter by 192"... (Read More)
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