美国Babcock & Welcox公司的内循环流化床（IR-CFB）锅炉，就是在炉膛出口设置数排槽型分离器，分离出的较粗飞灰沿炉膛后墙自动返回到密相床层实现炉内循环，而位于锅炉尾部的多管旋...
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For the IR-CFB, compact and simple equals economical.
对于IR - CFB来说，紧凑和简单就意味着经济。
Compared with hot cyclone-type CFB designs, the IR-CFB has significantly lower furnace exit gas velocity and requires significantly less building volume.
与热旋风型CFB设计相比，IR - CFB的炉膛出口烟气速度极大地降低，同时所要求的建造体积也极大的减小了。
By relying on internal recirculation, the IR-CFB design eliminates J-valves, loop seals, and high-pressure blowers which are required with other CFB designs.
由于采用内部再循环，IR - CFB设计取消了其它CF B设计所需要的J阀门，环密封，和高压吹风机。
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