公开(公告)号：US20090038518A1

公开(公告)日：2009-02-12

申请号：US12175963

申请日：2008-07-18

Applicant: Peng LIU ,  Xiaoyong ZHANG ,  Yingjie QIAN ,  Xinguang WANG ,  Wenbo YU ,  Fei CAI ,  Yuwang MIAO ,  Tao NIU ,  Yupeng WANG

Inventor： Peng LIU ,  Xiaoyong ZHANG ,  Yingjie QIAN ,  Xinguang WANG ,  Wenbo YU ,  Fei CAI ,  Yuwang MIAO ,  Tao NIU ,  Yupeng WANG

IPC: F23D1/00

CPC classification number: F23D1/00 ,  F23D2201/10 ,  F23D2201/20 ,  F23D2207/00

Abstract: A plasma ignition burner. The plasma ignition burner has at least two stages of burner barrels and a plasma generator for igniting the pulverized coal in a first stage burner barrel of the at least two stages of burner barrels. The burning flame of the former stage burner barrel ignites the pulverized coal in the next stage burner barrel, or further burns with the supplemented air in the next stage burner barrel. The axial direction of said plasma generator is parallel to the direction along which the pulverized-coal-contained air flow enters into the first stage burner barrel and at the same time, parallel to the axis of the burner barrels.

Abstract translation: 等离子点火燃烧器。 等离子体点火式燃烧器具有至少两级的燃烧器筒和等离子体发生器，用于在燃烧器筒的至少两个阶段的第一级燃烧器筒中点燃粉煤。 前一级燃烧器筒的燃烧火焰点燃下一级燃烧器筒中的粉煤，或者在下一级燃烧器筒中用补充空气进一步燃烧。 所述等离子体发生器的轴向方向平行于粉碎煤包含的空气流进入第一级燃烧器筒的方向，并且同时平行于燃烧器筒的轴线。

公开(公告)号：US20070079736A1

公开(公告)日：2007-04-12

申请号：US11633489

申请日：2006-12-05

Applicant: Hirofumi Okazaki

Inventor： Hirofumi Okazaki

IPC: F23D1/02 ,  F23D1/00

CPC classification number: F23C6/045 ,  F23C7/004 ,  F23C7/008 ,  F23C2201/20 ,  F23C2900/06041 ,  F23D1/00 ,  F23D2201/10 ,  F23D2201/20 ,  F23D2209/20

Abstract: A solid fuel burner using a low oxygen concentration gas as a transporting gas of a low grade solid fuel such as brown coal or the like and a combustion method using the solid fuel burner are provided. The solid fuel burner comprises a means for accelerating ignition of the fuel and a means for preventing slugging caused by combustion ash from occurring. Mixing of fuel and air inside a fuel nozzle 11 is accelerated by that an additional air nozzle 12 and a separator 35 for separating a flow passage are arranged in the fuel nozzle 11, and the exit of the additional air nozzle 12 is set at a position so as to overlap with the separator 35 when seeing from a direction perpendicular to a burner axis, and additional air is ejected in a direction nearly perpendicular to a flow direction of a fuel jet flowing through the fuel nozzle 11. An amount of air from the additional air nozzle 12 is varied corresponding to a combustion load. By increasing the amount of air from the additional air nozzle 12 at a low load operation, an oxygen concentration of a circulation flow 19 formed in a downstream portion outside the exit of the fuel nozzle 11 is increased to stably burn the fuel. By decreasing the amount of air from the additional air nozzle 12 at a high load operation, a flame is formed at a position distant from the fuel nozzle 11 to suppress radiant heat received by structures of the solid fuel burner and walls of the furnace.

公开(公告)号：US20070029409A1

公开(公告)日：2007-02-08

申请号：US11461645

申请日：2006-08-01

Applicant: Mark Dupuis

Inventor： Mark Dupuis

IPC: B05B1/34

CPC classification number: B05B1/341 ,  F23D1/02 ,  F23D2201/10 ,  F23D2900/01001

Abstract: A nozzle for controlling the spray pattern and the distribution of particles into a combustion chamber. The nozzle comprises a receiver in communication with a vortex chamber, which in turn is in communication with a discharge hood. The vortex chamber and the discharge hood are designed to reduce the air pressure within the nozzle, and to thereby decrease the velocity at which particles move through the nozzle. The nozzle further comprises a plurality of blades disposed on the vortex chamber which serve to control the spray pattern of the particles. The nozzle further optionally comprises a plurality of deflectors located on the discharge hood which further controls the spray pattern of the particles.

Abstract translation: 用于控制喷射图案和颗粒分布到燃烧室中的喷嘴。 喷嘴包括与涡流室连通的接收器，涡流室又与排气罩连通。 涡流室和排气罩被设计成减小喷嘴内的空气压力，从而降低颗粒通过喷嘴移动的速度。 喷嘴还包括设置在涡流室上的多个叶片，其用于控制​​颗粒的喷雾图案。 喷嘴还可选地包括位于排气罩上的多个偏转器，其进一步控制颗粒的喷雾图案。