Coal-fired flue gas pretreatment system and method

• Main Authors: YING ZHANFENG, WU ZHIRONG, SHEN HAOTIAN, LIU SHUAI, LYU SHENGJUAN, WANG HUI, SHEN CHANG
• Format: Patent
• Language: Chinese; English
• Published: 23.04.2019
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention belongs to the field of smoke gas pretreatment, and particularly relates to a coal-fired flue gas pretreatment system and method. The system comprises a flow rate control device, a reaction accommodating device, a tail gas treatment device and a reaction liquid automatic updating system, wherein the flow rate control device is connected onto a flue; the reaction accommodating deviceis connected behind the flow rate control device; the tail gas treatment device is connected behind the reaction accommodating device; the reaction liquid automatic updating system comprises a reaction liquid updating device and a detection control device for controlling the reaction liquid automatic updating; the reaction liquid updating device comprises a fresh reagent storage bottle, a first peristaltic pump, a second peristaltic pump and a waste liquid storage bottle; the detection control device for controlling the reaction liquid for automatic updating comprises a pH detection instrumentwith a pH probe and a con