Electrostatic collecting system for suspended particles in a gaseous medium
First Claim
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1. A device for collecting particles in a gaseous flow comprising:
- a collecting chamber, comprising a tubular collecting electrode,an intake of the gaseous flow in the collecting chamber,at least one capillary tube having a first end which terminates upstream of the entire tubular collecting electrode in the direction of flow of the gaseous flow through the collecting chamber, and a second end which is configured to be connected to a liquid tank, andpolarisation device which polarizes said liquid in the capillary tube so as to make a difference in potential between the liquid at said first end of the capillary tube and the collecting electrode to cause corona discharge and spraying of the liquid by electrospray in the direction of the collecting electrode.
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Abstract
A device for collecting particles in air comprising a collecting chamber (4), a capillary tube (12) whereof one end (12.1) terminates in the chamber (4), a collecting electrode, the capillary tube (12) containing polarisable liquid. Sufficient difference in voltage is applied between the liquid and the collecting electrode (16) for a corona effect between the drop of liquid at the end of the capillary tube (12) and the collecting electrode (12) and the spraying of the drop (20) by electrospray. The corona discharge causes flow of air through the collecting chamber (4) and the electrospray ensures wetting of the collecting electrode (16).
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Citations
22 Claims
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1. A device for collecting particles in a gaseous flow comprising:
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a collecting chamber, comprising a tubular collecting electrode, an intake of the gaseous flow in the collecting chamber, at least one capillary tube having a first end which terminates upstream of the entire tubular collecting electrode in the direction of flow of the gaseous flow through the collecting chamber, and a second end which is configured to be connected to a liquid tank, and polarisation device which polarizes said liquid in the capillary tube so as to make a difference in potential between the liquid at said first end of the capillary tube and the collecting electrode to cause corona discharge and spraying of the liquid by electrospray in the direction of the collecting electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification