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AssigneeYantai Longyuan Power Technology Co., Ltd.
InventorsChangye Cheng, Jiaju Yang, Yi Li, Xingyuan Cui, Chaoqun Zhang, Zeru Gong, Guangquan Zhang, Yubin Zhang, Peng Liu
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A pulverized coal concentrator for a pulverized coal burner, the concentrator is fixedly arranged inside the pulverized coal burner and comprises a front part (102) and a rear part (101), wherein the front part (1020 is designed as a bowl-shaped structure, for guiding and concentrating an air-pulverized coal flow, and the rear part (101) is designed as a cylinder-shaped structure, for maintaining a proper extension of the dense phase zone of the air pulverized coal flow. Also a pulverization coal burner is provided comprising the pulverized coal concentrator, in particular an internal combustion-type pulverized coal burner. The pulverized coal concentrator increases the adaptability of burner to coal quality, air velocity and pulverized coal density.
A pulverized coal concentrator for a pulverized coal burner, the pulverized coal concentrator is fixedly arranged inside the pulverized coal burner and comprises a front part and a rear part, characterized in that, the front part is a bowl-shaped structure, for guiding and concentrating an air-pulverized coal flow, and the rear part is a cylinder-shaped structure, for maintaining a proper extension of the dense phase zone of the air-pulverized coal flow, wherein through holes are made in the bowl-shaped wall of the front part, wherein an additional cylinder is arranged at the outside of the rear part and is connected to the wall of the front part thereby forming an interlayer space between the additional cylinder and the cylinder-shaped rear part, and wherein the interlayer space houses the through holes in the wall of the front part.
Dependencies are inferred from the claim text.