ESP Services

Hamon Research-Cottrell Technical Services can lower the operating costs, improve the performance and extend the life of your Electrostatic Precipitator. The capabilities of the company behind these services are beyond compare. Hamon Research-Cottrell its affiliates and acquisitions have supplied over 5,100 new precipitators and enhanced, upgraded or rebuilt over 2,500 units worldwide. It maintains a technical staff with hands-on experience with all precipitator brands and components supplied by aftermarket companies. Our staff can provide on-site support services, remote trouble shooting and a host of other services that keep plants operating in the most challenging situations.

Inspection Preventive maintenance during shut down gives you the key to continuous guaranteed performance, to an optimized life duration of equipment, and to cost savings. Contact Hamon Research-Cottrell for field service. Repair Supervision Repair supervision conducted by our technical...
Many of the precipitators in operation today were sized and designed to meet performance requirements that are far below current requirements. Time has also taken its toll on the robust machines built many years ago. Most units can be upgraded, repaired or rebuilt to extend their life and...
Performance Analysis Diagnostic of the current operating conditions of your electrostatic precipitator, a performance analysis gives you the certainty your plant is compliant with regulations and allows you to anticipate the impact of any process changes. Evaluation of Fuel Switching The...
Based on our experience, many people having to operate their Electrostatic Precipitator have never been properly trained. Daily equipment operations and monitoring are crucial to meet emissions regulations, Hamon Research-Cottrell performs on-site personnel training seminars, which can be "...

ESP Maintenance

  • High Voltage Energization System Maintain proper operation of the high voltage energization system Always make sure the high voltage energization system is operating properly. This includes the high voltage controls and transformer-rectifiers. The high voltage system of the electrostatic...
  • What is Ozone? Ozone (O3) is created by passing an electrical current through air.  Ozone is created inside an Electrostatic Precipitator when the ESP is energized under an "air" load. Electrostatic Precipitator Ozone Safety An electrostatic precipitator creates appreciable amounts...
  • Follow all plant safety rules Make sure all ground switches are in good condition and properly used Follow all confined space requirements Follow the safety key interlock system
  • Most problems are identified by an alarm. All alarms should be proven/verified and addressed. The common ESP problems and causes are as follows: Symptom Cause Solution Under voltage trip or low voltage Full hopper Broken, tracking or cracked insulator Internal electrode misalignment Make...
  • Process Conditions Maintain proper process conditions (i.e. boiler operation). Upset conditions in the process will affect the performance of the Electrostatic Precipitator. Also, avoid thermal excursions or other similar conditions that may cause damage to the ESP (such as operating above design...