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发明授权
CN101846315B 煤粉浓缩装置和包含该煤粉浓缩装置的内燃式煤粉燃烧器 有权

煤粉浓缩装置和包含该煤粉浓缩装置的内燃式煤粉燃烧器
摘要：
本发明涉及一种用于内燃式煤粉燃烧器的煤粉浓缩装置，它设置在煤粉燃烧器的内部并且并且包括一个前段(102)和一个后段(101)，其中，所述前段(102)设计成由曲面构成的碗状结构，用于引导和浓缩风粉流，所述后段(101)设计为筒状结构，用于保持风粉流浓相区的适度延伸，其中，所述前段(102)与所述后段(101)相连接并且所述前段(102)和/或后段(101)被固定地设置；或者，所述前段(102)与所述后段(101)间隔开一定距离布置并且所述前段(102)和后段(101)分别被固定地设置；所述前段(102)的碗状结构的壁设有孔(105)。本发明还涉及一种包括该煤粉浓缩装置的内燃式煤粉燃烧器。由此提高煤粉燃烧器对煤质的适应性和点火工况的适应性。
摘要（英）：

The invention relates to a coal dust concentration device for an internal combustion type coal dust burner, which is arranged in the coal dust burner and comprises a front segment (102) and a rear segment (101), wherein the front segment (102) is designed into a bowl shape formed by a curve for guiding and concentrating wind powder flow; the rear segment (101) is designed into a barrel shape for maintaining proper extension of a dense phase area of the wind powder flow; the front segment (102) and the rear segment (101) are connected, and the front segment (102) and/or the rear segment (101) are/is fixedly installed; or the front segment (102) and the rear segment (101) are arranged at a certain interval, and are respectively installed fixedly. The bowl shaped-wall of the front segment (102) is provided a hole (105). The invention also relates to the internal-combustion type coal dust burner with the same so as to improve adaptability of the coal dust burner to coal quality and ignition working conditions.

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