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How to improve the air flow of your Centrifugal Fan?

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The various industrial production processes and Ventilation Systems in Plants, on some occasions require increasing the air flow for which the equipment was originally calculated, for example:

Check the mechanical conditions of your fan:

What to do then?

Check rotor rotation

The centrifugal fans, during their operation, will be moving the air, although the rotor is turning in the opposite direction.

Some equipment will demand more power, however others may be operating for years with no malfunction detected.

Tips:
Frequently, one of the reasons that centrifugal fans operate incorrectly, that is, that they deliver less air volume, are the loose bands, and it is generally between 10-20% less air flow.
Tips:
The tolerance of the input cone and the rotor must keep their design ratio, otherwise they can be generate many air losses if they are too close or too far apart.
Tips:
You cannot expect the fan to always be running at 100 percent if it works with dirty air. Even in large capacity centrifugal fans, a 1/16 thickness equivalent layer of dirt housed in the blades reduces their air delivery.
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What is dust?

Dust generally consists of solid particles larger than one micron in diameter.

Particles larger than 1000 microns (1mm) are usually not considered fugitive, as they settle quickly and do not float in the air for long.

Particles smaller than one micron are considered fumes, since their behavior is more like gases than solids.

The most dangerous dust particles are those in the range of less than 10 microns, since they are breathable and can easily reach the interior of the lungs.

On the other hand, they have high surface areas per unit volume and are more combustible than larger particles.

Dust is actually a matter of Health, Safety and Finance for companies, since the consequences of poor emission control inside and outside the plant generates a high annual cost, which translates into fines, absenteeism from work due to disease, environmental pollution, among others.
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orSolid particle powder with a diameter less than 500 micrómetrors



Grupo OASIS fabricamos colectores de polvos humos y neblinas. La versatilidad de nuestros Colectores de Polvos, Humos y Neblinas marca DYNAFLO®. brand, the attention to detail during the manufacturing and installation process allowed us to work in Mexico and United States.Nuestros clientes de las industrias agroalimentaria, cementera, química, cerámica, automotriz, acerera, entre otras más nos respaldan.Nuestra amplia gama de productos como colectores de polvos, colectores de humos, colectores de neblinas, ciclones, colectores de humos portátiles, ventiladores industriales, válvulas rotatorias, filtros y refacciones, además de proyectos llave en mano, capacitación y mantenimiento de equipos nos permiten brindar servicios integrales. 

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Filter cleaning system

The filters in a Dust Collector must be cleaned periodically, since the dust accumulates on the surface of these forming a "CAKE", which functions as a pre-filter of the same filter, which causes a malfunction.

Eventually, this layer of dust (cake) increases the resistance of the air through the filters, decreasing the air volume capacity that is being handled in the system.

The equipment must have an automatic cleaning system (pulsejet), which pulses strong bursts of compressed air, through diaphragm valves that are sequentially actuated, by solenoid valves electrically actuated by a sequencer or solid-state TIMER.

The quality of compressed air is very important, so it must be monitored and cared for, it must be supplied clean and dry, at a pressure of between 90-100 Lbs / in²
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