Desulfurization waste water treatment zero-emission processing system and method

• Main Authors: DING YUAN, DENG WEILING, CHEN JIFENG, FENG DONGDONG, WANG ZHENGJIANG, XI DEMIN, QU YANCHUN, CHEN FENG, XIAO BING, LI JINGHONG
• Format: Patent
• Language: Chinese; English
• Published: 04.01.2019
• Subjects: BLASTING; CHEMISTRY; COMBUSTION APPARATUS; COMBUSTION PROCESSES; FLUES; HEATING; LIGHTING; MECHANICAL ENGINEERING; METALLURGY; METHODS OF STEAM GENERATION; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES; SEPARATION; STEAM BOILERS; STEAM GENERATION; TRANSPORTING; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE; WEAPONS

The invention discloses a desulfurization waste water treatment zero-emission processing system and method. The system comprises a boiler sub system, an electric dust removing device, an evaporating device, a desulfurization device, a heat device, a desulfurization waste water tank, a steam turbine sub system, a recycling device, a heat exchange device and a sludge filter pressing device. The system further comprises a related fitting cleaning device, a dosing device, an electrical system and meter control for ensuring the long-term stable operation of the process system, the system has the advantages of less dosing, repeated utilization, partial waste water investment and operating treatment cost saving and the like, and the current problems encountered by industrial waste water zero-emission are solved. 本发明公开了种脱硫废水处理零排放工艺系统及方法，此系统包括锅炉分系统、电除尘装置、蒸发装置、脱硫装置、加热装置、脱硫废水池、汽轮机分系统、再循环装置、换热装置、污泥压滤装置；为保证此工艺系统的长期稳定运行，还包括相关配套的清洗装置、加药装置、电气系统及仪表控制，具有加药少、重复利用、节省部分废水投资和运行处理成本等优点，解决目前工业废水零排放遇到的问题。