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Home >> Fabric Filters >> PowerJet™ Fabric Filters

PowerJet™ Fabric Filters        

Introduction

Many years of experience have provided the basis for our PowerJet™ fabric filters, creating what we believe is the best industrial filtration system available anywhere in the world today. In designing our latest generation units we have combined state-of-the-art 3D CFD modeling with real world field testing and years of hard won experience in repairing, redesigning and rebuilding other manufacturer’s bag filters. The culmination of this is a range of fabric filters that are not only economic to build, but are also uncompromising in engineering design, quality and efficiency.

When you buy a TAPC fabric filter you can be assured that you are buying the best, most robust, industrial filter on the market today.  There are three design levels in our PowerJet™ range:

  • PowerJet™ I - for small venting operations up to 2,000 Am3/h
  • PowerJet™ II - for most general applications from 1,000 to 20,000 Am3/h
  • PowerJet™ III - for large, heavy duty applications from 15,000 to 3,500,000 Am3/h
PowerJet2

PowerJet™ Advantages

Choice of Filter Elements

Our PowerJet™ Fabric Filters are designed to use either conventional fabric bags and cages or the more modern GE PulsePleats® and ThermoPleats®, which offer higher filtration areas for the same filter element size.

Since each baghouse has its own set of characteristics and system parameters, it is important to evaluate each of the following variables in order to choose a fabric best suited to the system; Temperature, Moisture level, Particulate size, Gas stream chemistry, Air-to-cloth ratio, Particulate abrasiveness, Mechanical factors, such as cleaning style, installation, etc. Our engineers can help you decide on the appropriate filter media and technology for you.

Bag and Cage
Filter Cage and Bag
GE PulsePleats
GE PulsePleat® range

Nozzle

PowerJet™ Nozzle - the heart of the PowerJet Fabric Filter

Conventional pulse cleaning systems use a blast of compressed air to clean the filter elements. In some cases this is cleaning is enhanced using a venturi, which effectively increases the amount of cleaning air that enters the filter. The problem is that the venturi adds a restriction to air flow coming through the filter during normal operation. Experimentation shows that this can be as much as 150 Pa, which adds to the power required in the system fan, and hence adds continuously to operating costs.

So how can this be done better?

The TAPC PowerJet™ nozzle increases cleaning air flow to the filter elements, much like a venturi, but creates no restriction to air flow in normal operation. Improved cleaning with no pressure loss problems!
PowerJet System

Conventional Pulse System Venturi Pulse System

Advanced Flow Pattern Design

Our gas entry systems and flow patterns have been designed using the latest computer modelling.  Both designs allow for dust preseparation, gas velocity reduction and even gas distribution.

PowerJet™ II

The PowerJet™ II uses a hopper entry, updraught design with a ladder-vane pre-separator in the hopper.

As the dirty gas enters the hopper it is met by the innovative TAPC ladder vane system that causes a rapid change in direction of the gas flow.  This system partially separates the heavier dust particles due to the momentum change.  At the same time the gas is slowed and evenly distributed across the bag nest.  The TAPC Ladder Vane can be retro-fitted into existing hopper entry fabric filters for improved performance.

PJ2flow

PJ3flow

PowerJet™ III

The PowerJet™ III uses a side entry, down-draught design with a ladder-vane pre-separator in the entry chamber and a baffle screen top exit.

This innovative design adapts the ladder vane system into a side entry baffle.  Dirty gases enter the baffle chamber horizontally and are immediately slowed by the expanded area.  Heavier dust particles and impacted on the ladder vanes and fall into the hopper below due to a momentum change.  The gas stream then passes vertically through an inclined distribution screen and enters the bag nest towards the top of the filter elements.  This then creates a net downward flow of gases over the filter elements - generally referred to as a "down-draught" design.  The advantage with this system is that there is no upward flow of gas to counter the dust when it is cleaned off the filter elements.  This leads to better cleaning efficiency, lower pulse frequency, lower compressed air use and longer filter life.


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