Dürr Systems, Inc.

- Dry Electrostatic Precipitator (ESP)



Dürr Megtec dry ESP technology combines the advantages of maximum particulate collection efficiency with low operating and maintenance costs.

Dry ESPs from Dürr Megtec offer efficient particulate control, with distinct features that include:

  • High collection efficiency
  • High temperature capacity
  • Wide performance range
  • Low maintenance
  • Quality mechanical and electrical components for long life
  • Advanced controls and software for optimum operation
  • A proven record of performance and reliability

Our dry ESPs can be combined with downstream wet acid gas scrubbers and wet ESPs for high-performance filterable and particulate control, acid mist control and acid gas control. And, our customers benefit from reduced capital costs when our systems are combined with dry sorbent injection for acid gas and particulate control.

Dürr Megtec’s experience in industrial emissions control is among the broadest in the industry. Meeting today’s stringent emission regulations requires a combination of the right environmental technologies. We have the process knowledge to provide an optimized solution for your specific needs.

Dry electrostatic precipitators are one of the most effective and reliable ways to control particulate emissions in diverse applications, such as cement, minerals, ethanol and biofuels, chemical, iron and steel, mining and metallurgical, and wood products, among others.

Our ESP technologies respond to customer requirements. We were one of the early adopters of the wider plate spacing concept, in combination with reliable discharge electrode designs. Such innovations have allowed our customers to operate modern ESPs with high reliability and outstanding emissions control performance.

Mechanical and Electrical Components
Our collector plates and discharge electrodes meet the highest quality standards in the industry. And our ESP collector plates are known for high-performance and reliability, and are engineered to resist distortions from occasional thermal upsets in upstream processes. Our discharge electrodes feature reliable corona-producing properties that reduce the potential of stickiness or corona suppression.

Our externally maintainable, electrically adjustable collector and discharge electrode EGR rappers provide an added element for ease of maintenance – a key to achieving high availability of your ESP. And the intelligent rapper controllers provide more cleaning power so your ESP remains cleaner longer, which helps deliver maximum power to your ESP and minimize loss of productivity due to reduced ESP performance.

Each dry ESP features its own microprocessorbased voltage controller. Our automatic voltage controllers(AVCs) — are among the fastest-reacting power supply controllers in the market today. The controllers are available for both single-phase and three-phase systems.

Get the most from our experience.
Our experience comes from more than 800 installations in a wide range of process applications, including steam generation utilizing a variety of fossil and biomass fuels, municipal and other wastes, as well as nonferrous metallurgical, iron and steel, and forest products.

Get the most from our innovations.
Passionate about innovation and technology leadership, our experienced team of experts develop process, electrical, mechanical and controls/software innovations. We have pioneered the utilization of ESPs for fly ash capture and reutilization prior to the implementation of downstream controls for high performance acid gas, mercury and dioxin controls.

Our dry ESPs can be combined with downstream wet acid gas scrubbers and wet ESPs for high-performance filterable and particulate control, acid mist control and acid gas control. Our customers benefit from reduced capital costs when our systems are combined with dry sorbent injection for acid gas and particulate control.

Research and development efforts are ongoing to provide lower cost, higher performing ESPs for our customers. These efforts include development of modeling software, an in-house test ESP, as well as fullscale field tests and experiments. Historical developments have included wide plate spacing concepts, advanced rigid discharge electrodes, AVCs for single-phase and threephase power supplies of differing frequencies, programmable rapper controls, continuous particulate monitors, and purge air controls, to name a few.

Experienced Project Execution
You can rely on Dürr MEGTEC not only for supplying the right technology for your emissions control needs, but also to get the equipment installed and operating reliably. Our experienced project managers are experts in utilizing modern project control methodologies and tools. Our teams follow time-tested operational structures and our goal is the safe, successful and timely completion of your project.

Reliable Aftermarket Services
Our support for your project does not end with product delivery. We provide a wide range of aftermarket products and services, including start-up and commissioning, equipment tuning, performance optimization, performance testing, operator training programs and high-quality replacement parts. Field engineering services are available to optimize the operation of your equipment and to help with parts installation.

Aging technology and lack of support from some OEMs can reduce the productivity and efficiency of many ESP systems. That’s why having the right technical specialists and field engineering services make all the difference in qualifying the condition of an ESP. Improve ESP performance by upgrading components to the latest designs and control systems, or make the system work the way it was designed. It all starts with a detailed inspection where we:

  • Identify the existing ESP OEM
  • Confirm the ESP design and the existing controllers
  • Review efficiency issues (dust emissions)
  • Assess mechanical and electrical issues
  • Check last major mechanical/electrical upgrades

Aging technology and lack of support from some original equipment manufacturers has resulted in lost productivity and reduced efficiency for many electrostatic precipitator systems. Dürr Megtec’s ESP aftermarket parts, service and upgrade business provides engineered upgrades, quality components and services to help keep your ESP running efficiently and effectively.

Our combination of innovative products and services include:

  • Collector plates
  • Rapper components and parts
  • Access doors and door seals
  • Upgrades, rebuilds and conversions
  • Field services

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