Rake-type injection device for denitration reductants

• Main Authors: WANG YUBIN, WEI YANNA, ZHANG DINGHAI, YANG ZHIZHONG, YE MAO, LI XIAOQIN, XU QIN, GUO GANG, CUI YOUGUI
• Format: Patent
• Language: Chinese; English
• Published: 11.07.2012
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model discloses a rake-type injection device for denitration reductants. The rake-type injection device comprises a plurality of rake-type structure injection units, wherein each rake-type structure injection unit comprises a main injection pipe and a branch injection pipe; the branch injection pipe is H-shaped; the main injection pipe is communicated with the middle part of the H-shaped transverse section of the branch injection pipe; a nozzle is arranged on the branch injection pipe; and a valve which is matched with a pipeline of the main injection pipe in size and communicated with the pipeline is arranged on the main injection pipe. According to the rake-type injection device for denitration reductants, the reductants are uniformly injected, and the denitration efficiency can get to above 90%; particularly, the device is simple in structure, easy to design, manufacture and mount, and low in investment and construction costs; the medium resistance in the device is lower; the aperture of the in