Power Generation Filtration Solutions
ECR 4000
Electrostatic Contamination Removal
ECR 4000 |
Principles of Electrostatic Contamination Removal The EPT Electrostatic Contamination Removal (ECR) system uses well established principles of electrostatics to capture contaminants in fluids with sufficient dielectric strength. ECR systems use high voltage electrical fields and proprietary, specially configured dielectric collection media in fully grounded cleaning chambers. The fluid does not flow through the media as it would in a mechanical filter. Instead, the fluid moves parallel to the conductors and media through the electrostatic field. Insoluble contaminants are drawn towards the electrodes and collector media. All insoluble materials are affected including hard contaminants such as dirt, debris and wear metals, and soft contaminants such as oxidation by products known as varnish, sludge, and lacquer. Soluble components such as additive systems are not affected by the ECR's electrostatic process. |
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Physical forces including electrophoresis and di-electrophoresis, as well as particle polarity and dielectric properties of the collector media are at work in the vessels and elements. These act to remove hard and soft contaminants as small as 0.01 microns, well below the particle sizes affected by other types of contamination control technologies.
Because the ECR system does not "filter" the oil through the small pores of a filter media, no static electrical charges are built up in the fluid and no spark discharge is caused by the ECR system. This greatly aids in maintaining oil quality and additive life over the long term. The ECR 4000 should be operated continuously 24/7/365 except for routine maintenance to gain the greatest improvement in oil quality, life and performance in addition to realizing reliability improvements in the application. General Operation Oil is drawn from the reservoir through plumbing connection to the inlet of the ECR 4000 by the ﾽ hp gear pump and motor assembly. From the outlet of the pump, oil flows through two equal length tubes to the inlet of the bottom of the cleaning chamber and into a low velocity zone in the bottom of the chamber. Oil streams up into the flow channels of the Performance Element and continues axially through the length of the element. A liquid level switch signals a full cleaning chamber. When the chamber is full, high voltage power is activated. The pump is stopped for 2 minutes to ensure that existing particulate is fully contained in the element and cleaning chamber. After this interval the pump restarts and normal operation commences. During operation, the oil is passing between embedded conductors that are maintained at either high voltage or ground by contact with either the HV center electrode post or the grounded cleaning chamber. Electrophoresis and di-electrophoresis are active throughout the cleaning chamber and the trajectory of insoluble particles is bent into the media by these forces and captured. Oil passes out of the top of the Performance Element and flows out through the equal length oil outlet tubing to either of the oil outlet fittings. Customer supplied plumbing then carries the fluid back to the reservoir. The ECR 4000 is designed with several permissives, such as:
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Mid-States Engineering & Sales, Inc.
5001 Chase Ave., Downers Grove, IL 60515
Hours: 8:00am - 4:30pm CT
Tel: (630) 969-2958 Fax: (630) 969-4272
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