Industrial kiln dry low-temperature denitration device and method

The invention belongs to the technical field of flue gas purification, in particular to an industrial kiln dry low-temperature denitration device and method. The denitration device comprises a denitration tower and a bag-type dust collector which are connected through a flue gas pipeline, and further comprises a denitration agent generating device, the denitration agent generating device is connected with the denitration tower through a liquid inlet pipe, the denitration tower is of an inverted-U-shaped structure, a spraying device is arranged in the denitration tower and connected with the liquid inlet pipe, and a liquid inlet pump is arranged on the liquid inlet pipe. The device is simple in structure, easy to install, convenient to operate, non-toxic and tasteless in denitration agent,safe, reliable and good in effect, and the denitration efficiency can reach 95% or above. 本发明属于烟气净化技术领域，具体涉及一种工业窑炉干法低温脱硝的装置及方法，包括通过烟气管道连接的脱硝塔和布袋除尘器，还包括脱硝剂发生装置，所述脱硝剂发生装置与所述脱硝塔通过进液管连接，所述脱硝塔为倒U型结构、内部设置有喷雾装置，所述喷雾装置连接所述进液管，所述进液管上设