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Method and apparatus for simultaneously recovering heat and removing gaseous and sticky pollutants from a heated, polluted gas flow
Method and apparatus for simultaneously recovering heat and removing gaseous and sticky pollutants from a heated, polluted gas flow
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机译:同时回收热量并从受热污染的气流中去除气态和粘性污染物的方法和设备
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摘要
The gas flow is ionized by its being caused to pass an emission electrode means (2) so that ions are formed and the polluant particles are given an electric charge. The particles are deposited by electrostatic attraction onto a combined collector electrode/heat exchanger surface (6), there also being generated a new aerosol by the gas flow being cooled as it passes said collector/heat exchanger surface, pollutants in the gas phase condensing onto the ions and electrically charged particles serving as condensation cores simultaneously as heat is recovered from the gas flow. The apparatus includes a heat exchanger (1) of the tube type, having a plurality of emission electrode means (2, 3, 4) inserted between groups of heat exchanger pipes. The collector electrode/heat exchanger surfaces on the pipes can be cleaned by a cleaning means (5) during operation of the apparatus, and in some applications the emission electrode means can also be automatically cleaned.
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