FUEL DISTRIBUTION DEVICE AND BURNER
摘要:
The present invention provide a fuel distribution device (9) for a burner, comprising an inlet end (9a), an outlet end (9b) and a distribution channel (9c) extending therebetween as well as n fuel feeding tubes (5) extending from the inlet end (9a) into the distribution channel (9c), characterized in that, the outlet end (9b) is provided with n groups of distribution opening, each of the groups includes m distribution openings distributed evenly along a circumference direction of the outlet end (9b), and in that the m feeding branch pipes (8) extending from each of the fuel feeding tubes (5) are communicated with the m distribution openings of each group respectively, wherein m, n are positive integers greater than or equal to 2. This design of the fuel distribution device improves the redundancy of the burner so as to ensure the even distribution of the fuel such as powdered coals at the outlet end of the fuel distribution device upon failure of one or several fuel feeding tubes. Further, the present invention also provides a burner utilizing this fuel distribution device.
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