HIGH-TEMPERATURE MEMBRANE DUST REMOVAL EQUIPMENT HAVING GAS VIBRATION ASSISTED DUST CLEANING FUNCTION, AND OPERATION METHOD

High-temperature membrane dust removal equipment having a gas vibration assisted dust cleaning function, comprising an upper box, a reverse jet system, a gas vibration assisted dust cleaning system, a tube sheet, a middle box, a dust removal membrane element, and a dust hopper. The gas vibration ass...

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Hauptverfasser: XING, Weihong, WU, Junwei, ZHAGN, Feng, ZHONG, Zhaoxiang, XU, Chaonan
Format: Patent
Sprache:chi ; eng ; fre
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Zusammenfassung:High-temperature membrane dust removal equipment having a gas vibration assisted dust cleaning function, comprising an upper box, a reverse jet system, a gas vibration assisted dust cleaning system, a tube sheet, a middle box, a dust removal membrane element, and a dust hopper. The gas vibration assisted dust cleaning system comprises a vibration gas bag, a vibration gas main pipe, a vibration gas branch pipe, a vibration gas outlet device, and a vibration pulse valve. The vibration gas outlet device is made of spring steel and is horn-shaped, has the upper part being a large-diameter end, the narrowest middle position being a neck, and the lower part being a small-diameter end, and is provided with an expansion joint along the generatrix direction. The diameter of the large-diameter end is larger than that of a tube sheet hole, and the diameter of the neck is the same as the outer diameter of the dust removal membrane element. When the equipment operates, reverse pulse-jet dust cleaning and gas pulse vibrati