种从线路板废料中提炼贵金属的成套设备及方法

• Format: Patent
• Language: Chinese
• Published: 24.07.2018
• Subjects: CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; FERROUS OR NON-FERROUS ALLOYS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; METALLURGY; PRETREATMENT OF RAW MATERIALS; PRODUCTION AND REFINING OF METALS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TREATMENT OF ALLOYS OR NON-FERROUS METALS

本发明公开了种从线路板废料中提炼贵金属的成套设备及方法，成套设备包括底吹炉、烟气二次燃烧炉，吸收塔、脉冲布袋除尘器、湿式脱硫装置和静电除尘除雾装置，其特征在于，底吹炉产生的烟气通过设置在底吹炉顶部的烟道排出，烟道与烟气二次燃烧炉的进口连通，烟气二次燃烧炉通过烟气余热锅炉与喷淋急冷塔塔连通，喷淋急冷塔的出口通过吸收塔与脉冲布袋除尘器连通，吸收塔中设有活性炭喷射装置；脉冲布袋除尘器与湿式脱硫装置连通；湿式脱硫装置通过静电除尘除雾装置与烟囱连通。本发明实现了多金属有效分离和分别富集回收，有机物质作为燃料用，对环境无二次污染。工艺流程短，具有显著的经济、环保和社会效益。 The invention discloses complete equipment and a method for extracting and purifying precious metals from waste circuit boards. The complete equipment comprises a bottom-blowing furnace, a secondary smoke combustion furnace, an absorption tower, a pulsed jet cloth filter, a wet desulfurization device and an electrostatic precipitation defogging device, and is characterized in that smoke generated by the bottom-blowing furnace is discharged through a flue arranged on the top of the bottom-blowing furnace; the flue communicates with an inlet of the secondary smoke combustion furnace; the secondary smoke combustion furnace communicates with a spraying quenching tower through a smoke waste heat boiler; an outlet of the spraying quenc