Rotational flow pulverized coal boiler burner

• Main Authors: GAO YANG, ZOU TIANSHU, WANG SHUHUI, LI ZHIGANG, FENG SHAOWEI, YANG GUOHUA, WU FENG, WANG SHUANGSHI, LEI KAICHAO, ZHENG LIJUN, DENG HAITAO, PU JIANYE
• Format: Patent
• Language: Chinese; English
• Published: 14.02.2023
• Subjects: BLASTING; BURNERS; COMBUSTION APPARATUS; COMBUSTION PROCESSES; HEATING; LIGHTING; MECHANICAL ENGINEERING; WEAPONS

A rotational flow pulverized coal boiler burner comprises a secondary air pipe, a primary air pipe and a central air pipe which are sequentially and coaxially arranged from outside to inside, a stable combustion head is installed on the outer side of one end of the primary air pipe, a throttling ring is arranged in the pipe wall close to one side of the stable combustion head, a cyclone is sleeved outside the pipe wall, and the other end of the primary air pipe is arranged to be an elbow. A stable combustion gear ring is installed between the primary air pipe and the center air pipe, and the stable combustion gear ring and the stable combustion head are located on the same side. A check block is arranged on the inner wall, close to one side of the elbow, of the primary air pipe, and the area of the check block accounts for 18.7% of the area of the primary air pipe. A separation ring flush with primary air is arranged at an outlet of the primary air pipe. After the baffle block is additionally arranged, the el